DE69430801D1 - Ultrabreitbandempfänger - Google Patents

Ultrabreitbandempfänger

Info

Publication number
DE69430801D1
DE69430801D1 DE69430801T DE69430801T DE69430801D1 DE 69430801 D1 DE69430801 D1 DE 69430801D1 DE 69430801 T DE69430801 T DE 69430801T DE 69430801 T DE69430801 T DE 69430801T DE 69430801 D1 DE69430801 D1 DE 69430801D1
Authority
DE
Germany
Prior art keywords
strobed
uwb
wide band
sampler
samplers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69430801T
Other languages
English (en)
Other versions
DE69430801T2 (de
Inventor
E Mcewan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of California
Original Assignee
University of California
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of California filed Critical University of California
Publication of DE69430801D1 publication Critical patent/DE69430801D1/de
Application granted granted Critical
Publication of DE69430801T2 publication Critical patent/DE69430801T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/04Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284Electromagnetic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/003Bistatic radar systems; Multistatic radar systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/0209Systems with very large relative bandwidth, i.e. larger than 10 %, e.g. baseband, pulse, carrier-free, ultrawideband
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/0218Very long range radars, e.g. surface wave radar, over-the-horizon or ionospheric propagation systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/04Systems determining presence of a target
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only
    • G01S13/10Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/18Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein range gates are used
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28Details of pulse systems
    • G01S7/285Receivers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/12Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/7163Spread spectrum techniques using impulse radio
    • H04B1/71637Receiver aspects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only
    • G01S13/10Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/103Systems for measuring distance only using transmission of interrupted, pulse modulated waves particularities of the measurement of the distance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only
    • G01S13/10Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/106Systems for measuring distance only using transmission of interrupted, pulse modulated waves using transmission of pulses having some particular characteristics
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/885Radar or analogous systems specially adapted for specific applications for ground probing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/93Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9314Parking operations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/93Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9321Velocity regulation, e.g. cruise control
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/06Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
DE69430801T 1993-04-12 1994-04-08 Ultrabreitbandempfänger Expired - Lifetime DE69430801T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/044,745 US5345471A (en) 1993-04-12 1993-04-12 Ultra-wideband receiver
PCT/US1994/003893 WO1994024788A1 (en) 1993-04-12 1994-04-08 Ultra-wideband receiver

Publications (2)

Publication Number Publication Date
DE69430801D1 true DE69430801D1 (de) 2002-07-18
DE69430801T2 DE69430801T2 (de) 2003-01-16

Family

ID=21934096

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69430801T Expired - Lifetime DE69430801T2 (de) 1993-04-12 1994-04-08 Ultrabreitbandempfänger

Country Status (7)

Country Link
US (1) US5345471A (de)
EP (1) EP0694235B1 (de)
JP (1) JP3573747B2 (de)
AT (1) ATE219252T1 (de)
DE (1) DE69430801T2 (de)
ES (1) ES2174874T3 (de)
WO (1) WO1994024788A1 (de)

Families Citing this family (140)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5774091A (en) * 1993-04-12 1998-06-30 The Regents Of The University Of California Short range micro-power impulse radar with high resolution swept range gate with damped transmit and receive cavities
US5517198A (en) * 1993-04-12 1996-05-14 The Regents Of The University Of California Ultra-wideband directional sampler
US5523760A (en) * 1993-04-12 1996-06-04 The Regents Of The University Of California Ultra-wideband receiver
DE4405238C2 (de) 1994-02-18 1998-07-09 Endress Hauser Gmbh Co Anordnung zur Messung des Füllstands in einem Behälter
US5748891A (en) * 1994-07-22 1998-05-05 Aether Wire & Location Spread spectrum localizers
US5543799A (en) * 1994-09-02 1996-08-06 Zircon Corporation Swept range gate radar system for detection of nearby objects
US5677927A (en) * 1994-09-20 1997-10-14 Pulson Communications Corporation Ultrawide-band communication system and method
US5661385A (en) * 1994-12-19 1997-08-26 The Regents Of The University Of California Window-closing safety system
US5610611A (en) * 1994-12-19 1997-03-11 The Regents Of The University Of California High accuracy electronic material level sensor
US5609059A (en) * 1994-12-19 1997-03-11 The Regents Of The University Of California Electronic multi-purpose material level sensor
US5672975A (en) * 1995-06-07 1997-09-30 Rosemount Inc. Two-wire level transmitter
US5905455A (en) * 1995-08-11 1999-05-18 Zircon Corporation Dual transmitter visual display system
US5661251A (en) * 1995-12-19 1997-08-26 Endress + Hauser Gmbh + Co. Sensor apparatus for process measurement
US6118282A (en) * 1995-12-19 2000-09-12 Endress & Hauser Gmbh & Co. Sensor apparatus
US5827985A (en) * 1995-12-19 1998-10-27 Endress + Hauser Gmbh + Co. Sensor apparatus for process measurement
US5884231A (en) 1995-12-21 1999-03-16 Endress & Hauser Gmbh & Co. Processor apparatus and method for a process measurement signal
US5841666A (en) * 1995-12-21 1998-11-24 Endress + Hauser Gmbh + Co. Processor apparatus and method for a process measurement signal
US5805767A (en) * 1996-01-16 1998-09-08 Jouas; Gary Electronically-controlled heater
US6542857B1 (en) 1996-02-06 2003-04-01 The Regents Of The University Of California System and method for characterizing synthesizing and/or canceling out acoustic signals from inanimate sound sources
US5752783A (en) * 1996-02-20 1998-05-19 Blaw-Knox Construction Equipment Corporation Paver with radar screed control
US5901633A (en) * 1996-11-27 1999-05-11 Case Corporation Method and apparatus for sensing piston position using a dipstick assembly
US5977778A (en) * 1996-11-27 1999-11-02 Case Corporation Method and apparatus for sensing piston position
US6142059A (en) * 1996-11-27 2000-11-07 Case Corporation Method and apparatus for sensing the orientation of a mechanical actuator
EP0941409A1 (de) 1996-11-27 1999-09-15 Case Corporation Vorrichtung und verfahren zum messung der position des kolbens
NL1005865C1 (nl) * 1997-04-22 1998-10-26 Hollandse Signaalapparaten Bv Ontvangsysteem.
US6008546A (en) * 1997-05-02 1999-12-28 Assembled Products Corporation Electronic control system and collision avoidance system for an electric cart
US6026125A (en) * 1997-05-16 2000-02-15 Multispectral Solutions, Inc. Waveform adaptive ultra-wideband transmitter
US7209523B1 (en) 1997-05-16 2007-04-24 Multispectral Solutions, Inc. Ultra-wideband receiver and transmitter
US6067040A (en) * 1997-05-30 2000-05-23 The Whitaker Corporation Low cost-high resolution radar for commercial and industrial applications
US5978749A (en) * 1997-06-30 1999-11-02 Pile Dynamics, Inc. Pile installation recording system
WO1999004286A1 (en) * 1997-07-18 1999-01-28 Kohler Company Bathroom fixture using radar detector having leaky transmission line to control fluid flow
ES2190597T3 (es) 1997-07-18 2003-08-01 Kohler Co Dispositivos de radar para aplicaciones de baja potencia y accesorios para cuartos de baño.
WO1999004283A1 (en) 1997-07-18 1999-01-28 Kohler Company Advanced touchless plumbing systems
US6005395A (en) * 1997-11-12 1999-12-21 Case Corporation Method and apparatus for sensing piston position
US6700939B1 (en) * 1997-12-12 2004-03-02 Xtremespectrum, Inc. Ultra wide bandwidth spread-spectrum communications system
US6859506B1 (en) * 2000-10-10 2005-02-22 Freescale Semiconductor, Inc. Ultra wideband communication system, method, and device with low noise reception
US6505032B1 (en) * 2000-05-26 2003-01-07 Xtremespectrum, Inc. Carrierless ultra wideband wireless signals for conveying application data
US6386055B1 (en) 1998-01-06 2002-05-14 Endress +Hauser Gmbh +Co. Sensor apparatus for transmitting electrical pulses from a signal line into and out of a vessel to measure a process variable—in order to be more informative
US6078280A (en) * 1998-01-09 2000-06-20 Endress + Hauser Gmbh + Co. Periodic probe mapping
US5973637A (en) * 1998-01-09 1999-10-26 Endress + Hauser Gmbh + Co. Partial probe mapping
US5883591A (en) * 1998-02-27 1999-03-16 The Regents Of The University Of California Ultra-wideband impedance sensor
US5986602A (en) * 1998-03-02 1999-11-16 Remote Data Systems, Inc. Pulse radar device and method
US6060915A (en) * 1998-05-18 2000-05-09 Mcewan; Thomas E. Charge transfer wideband sample-hold circuit
US6417797B1 (en) 1998-07-14 2002-07-09 Cirrus Logic, Inc. System for A multi-purpose portable imaging device and methods for using same
US7346120B2 (en) 1998-12-11 2008-03-18 Freescale Semiconductor Inc. Method and system for performing distance measuring and direction finding using ultrawide bandwidth transmissions
US6850733B2 (en) * 1998-12-11 2005-02-01 Freescale Semiconductor, Inc. Method for conveying application data with carrierless ultra wideband wireless signals
US6559657B1 (en) 1999-01-13 2003-05-06 Endress+Hauser Gmbh+Co. Probe mapping diagnostic methods
US6279173B1 (en) 1999-04-12 2001-08-28 D2M, Inc. Devices and methods for toilet ventilation using a radar sensor
US6239736B1 (en) 1999-04-21 2001-05-29 Interlogix, Inc. Range-gated radar motion detector
US6351246B1 (en) 1999-05-03 2002-02-26 Xtremespectrum, Inc. Planar ultra wide band antenna with integrated electronics
WO2000076400A1 (en) 1999-06-14 2000-12-21 Agee, John M., Trustee Of The John M. Agee Trust Dated August 15, 1996 Method and apparatus for monitoring tendon motion
US7649925B2 (en) * 1999-06-14 2010-01-19 Time Domain Corporation Time transfer utilizing ultra wideband signals
US6421389B1 (en) * 1999-07-16 2002-07-16 Time Domain Corporation Baseband signal converter for a wideband impulse radio receiver
US6795491B2 (en) * 1999-07-22 2004-09-21 Aether Wire & Location Spread spectrum localizers
EP1083414A1 (de) 1999-09-11 2001-03-14 Endress + Hauser GmbH + Co. Füllstandsmessgerät
US6603818B1 (en) 1999-09-23 2003-08-05 Lockheed Martin Energy Research Corporation Pulse transmission transceiver architecture for low power communications
US6414627B1 (en) * 1999-10-12 2002-07-02 Mcewan Technologies, Llc Homodyne swept-range radar
JP4655253B2 (ja) * 1999-10-19 2011-03-23 有限会社 マイクロウェーブラボ マイクロ波帯サンプリング高周波増幅器及びこれを用いた送受信器
US6304798B1 (en) 1999-11-29 2001-10-16 Storage Technology Corporation Automated data storage library with wireless robotic positioning system
US20010037724A1 (en) 2000-03-08 2001-11-08 Schumacher Mark S. System for controlling hydraulic actuator
US20010037689A1 (en) * 2000-03-08 2001-11-08 Krouth Terrance F. Hydraulic actuator piston measurement apparatus and method
EP1269027B1 (de) 2000-03-08 2005-07-27 Rosemount Inc. Bidirektionaler differenzdruck- durchflusssensor
WO2001066954A2 (en) * 2000-03-08 2001-09-13 Rosemount Inc. Piston position measuring device
US6340139B1 (en) 2000-06-01 2002-01-22 Labarge, Inc. Highway grade crossing vehicle violation detector
AU2001282867A1 (en) 2000-08-07 2002-02-18 Xtremespectrum, Inc. Electrically small planar uwb antenna apparatus and system thereof
US6738044B2 (en) 2000-08-07 2004-05-18 The Regents Of The University Of California Wireless, relative-motion computer input device
US7006553B1 (en) * 2000-10-10 2006-02-28 Freescale Semiconductor, Inc. Analog signal separator for UWB versus narrowband signals
EP1340095A2 (de) * 2000-11-20 2003-09-03 Endress + Hauser GmbH + Co. KG Sensorvorrichtung
US6535161B1 (en) 2000-11-28 2003-03-18 Mcewan Technologies, Llc Loop powered radar rangefinder
US6504409B1 (en) 2001-04-17 2003-01-07 K-Tek Corporation Controller for generating a periodic signal with an adjustable duty cycle
US6853227B2 (en) 2001-04-17 2005-02-08 K-Tek Corporation Controller for generating a periodic signal with an adjustable duty cycle
US6588313B2 (en) 2001-05-16 2003-07-08 Rosemont Inc. Hydraulic piston position sensor
US6512474B2 (en) 2001-05-23 2003-01-28 Lockhead Martin Corporation Ultra wideband signal source
US6853835B2 (en) * 2001-08-13 2005-02-08 Hewlett-Packard Development Company, L.P. Asymmetric wireless communication system using two different radio technologies
EP1430677A2 (de) * 2001-09-26 2004-06-23 General Atomics Verfahren und einrichtung zur datenübertragung mittels eines zeitverteilungs-mehrfrequenzschemas
US7321601B2 (en) * 2001-09-26 2008-01-22 General Atomics Method and apparatus for data transfer using a time division multiple frequency scheme supplemented with polarity modulation
US7236464B2 (en) * 2001-09-26 2007-06-26 General Atomics Flexible method and apparatus for encoding and decoding signals using a time division multiple frequency scheme
US7609608B2 (en) * 2001-09-26 2009-10-27 General Atomics Method and apparatus for data transfer using a time division multiple frequency scheme with additional modulation
US7342973B2 (en) * 2001-09-26 2008-03-11 General Atomics Method and apparatus for adapting multi-band ultra-wideband signaling to interference sources
US6643171B2 (en) * 2001-11-06 2003-11-04 Winbond Electronics Corporation High dynamic range recording and playback for multilevel storage using differential sampling
AU2003222230A1 (en) * 2002-02-20 2003-09-09 General Atomics Method and apparatus for adapting multi-band ultra-wideband signaling to interference sources
US7099367B2 (en) * 2002-06-14 2006-08-29 Time Domain Corporation Method and apparatus for converting RF signals to baseband
US6724269B2 (en) * 2002-06-21 2004-04-20 Cellonics Incorporated Pte., Ltd. PSK transmitter and correlator receiver for UWB communications system
KR100470029B1 (ko) * 2002-11-04 2005-02-05 한국전기연구원 온-오프 키잉 변조방식에 의한 무선통신 송신장치
US6722260B1 (en) 2002-12-11 2004-04-20 Rosemount Inc. Hydraulic piston position sensor
US6722261B1 (en) 2002-12-11 2004-04-20 Rosemount Inc. Hydraulic piston position sensor signal processing
JP2004219311A (ja) 2003-01-16 2004-08-05 Omron Corp 静電容量センサ及び開閉体挟み込み検知装置
US7317748B2 (en) * 2003-02-25 2008-01-08 Matsushita Electric Industrial Co., Ltd. Methods and apparatus for transmitting and receiving randomly inverted wideband signals
US6989782B2 (en) * 2003-05-22 2006-01-24 General Atomics Ultra-wideband radar system using sub-band coded pulses
US7725150B2 (en) * 2003-06-04 2010-05-25 Lifewave, Inc. System and method for extracting physiological data using ultra-wideband radar and improved signal processing techniques
US20050084033A1 (en) * 2003-08-04 2005-04-21 Lowell Rosen Scalable transform wideband holographic communications apparatus and methods
US20050100076A1 (en) * 2003-08-04 2005-05-12 Gazdzinski Robert F. Adaptive holographic wideband communications apparatus and methods
US20050041746A1 (en) * 2003-08-04 2005-02-24 Lowell Rosen Software-defined wideband holographic communications apparatus and methods
US8120521B2 (en) * 2003-10-28 2012-02-21 Preco Electronics, Inc. Radar echolocater with audio output
US7506547B2 (en) 2004-01-26 2009-03-24 Jesmonth Richard E System and method for generating three-dimensional density-based defect map
WO2005088850A1 (ja) * 2004-03-17 2005-09-22 Brother Kogyo Kabushiki Kaisha 位置検出システム、応答器及び質問器、無線通信システム、位置検出方法、位置検出用プログラム及び情報記録媒体
WO2005101679A1 (en) * 2004-04-19 2005-10-27 Koninklijke Philips Electronics N.V. Reconfigurable pulse detector in wireless communications system
US7432847B2 (en) * 2004-06-03 2008-10-07 Wireless 2000 Rf & Uwb Technologies Ltd. Ultra-wideband transceiver
US7193405B2 (en) * 2004-06-07 2007-03-20 The Stanley Works Electronic multi-depth object locator with self-illuminating optical element warning and detection
JP4602100B2 (ja) 2004-08-24 2010-12-22 富士通コンポーネント株式会社 通信装置
US7233278B2 (en) * 2004-09-10 2007-06-19 Rosemount Tank Radar Ab Radar level gauge with switch for selecting transmitter or receiver mode
DE102005011999A1 (de) * 2005-03-16 2006-09-21 Ewation Gmbh Aktives Empfangsantennensystem
EP1739849B1 (de) * 2005-06-30 2015-09-16 Sabanci Universitesi Neuartiger, ultrabreitbandiger Wellenformgenerator
EP1750467B1 (de) 2005-08-04 2012-05-02 STMicroelectronics Srl Verfahren und System zur Optimierung der Nutzung des Funkspektrums und Rechnerprogrammprodukt dafür
US8098707B2 (en) * 2006-01-31 2012-01-17 Regents Of The University Of Minnesota Ultra wideband receiver
US20070196621A1 (en) * 2006-02-02 2007-08-23 Arnold Frances Sprayable micropulp composition
RU2311658C9 (ru) * 2006-05-11 2008-05-10 Лайф Сенсор Ко., Лтд. Сенсор для обнаружения движущихся объектов при помощи сверхширокополосного зондирующего сигнала (варианты)
EP2030389A4 (de) 2006-06-16 2013-07-17 Preco Electronics Inc Schmalbanddetektionen eines empfangssignals
WO2008148040A1 (en) * 2007-05-24 2008-12-04 Lifewave, Inc. System and method for non-invasive instantaneous and continuous measurement of cardiac chamber volume
JP5216511B2 (ja) * 2008-09-30 2013-06-19 アズビル株式会社 流量計測システム
CN101425810B (zh) * 2008-12-05 2012-10-03 清华大学深圳研究生院 一种脉冲超宽带接收机
GB0822283D0 (en) * 2008-12-06 2009-01-14 Mobrey Ltd Improvements in or relating to level sensors
US8532235B2 (en) * 2008-12-17 2013-09-10 Lawrence Livermore National Security, Llc. UWB delay and multiply receiver
US7889120B2 (en) 2009-02-11 2011-02-15 Magnetrol International, Inc. Pulsed radar level detection system using pulse dithering to eliminate inaccuracies caused by tank rattle
US7994968B2 (en) * 2009-02-26 2011-08-09 Mcewan Technologies, Llc RF magnitude sampler for holographic radar
US9002427B2 (en) 2009-03-30 2015-04-07 Lifewave Biomedical, Inc. Apparatus and method for continuous noninvasive measurement of respiratory function and events
WO2010124117A2 (en) 2009-04-22 2010-10-28 Lifewave, Inc. Fetal monitoring device and methods
US9032565B2 (en) 2009-12-16 2015-05-19 Kohler Co. Touchless faucet assembly and method of operation
CN102135619A (zh) * 2010-12-06 2011-07-27 王茂森 一种生物声纳探测装置及其探测方法
EP3312629A3 (de) 2011-02-21 2018-06-13 Transrobotics, Inc. System und verfahren zur schätzung des masses eines objektes
US8513607B2 (en) * 2011-04-12 2013-08-20 Texas Instruments Incorporated Analog baseband circuit for a terahertz phased array system
US8611436B2 (en) * 2011-07-19 2013-12-17 Tektronix, Inc. Wideband balun structure
EP2551697B1 (de) 2011-07-28 2018-12-19 Insta GmbH Verfahren zum detektieren einer änderung innerhalb eines einem präsenz- oder bewegungssensor zugeordneten überwachungsbereiches
DE102011084355A1 (de) 2011-10-12 2013-04-18 Endress + Hauser Gmbh + Co. Kg Schaltungsanordnung
WO2013058830A1 (en) 2011-10-19 2013-04-25 Balu Subramanya Directional speed and distance sensor
US8264401B1 (en) 2011-12-29 2012-09-11 Sensys Networks, Inc. Micro-radar, micro-radar sensor nodes, networks and systems
EP2904420A4 (de) 2012-10-05 2016-05-25 Transrobotics Inc Systeme und verfahren zur hochauflösenden abstandsmessung und anwendungen
US11004337B2 (en) 2012-12-28 2021-05-11 Balu Subramanya Advanced parking management system
DE102013103002A1 (de) 2013-03-25 2014-09-25 Insta Elektro Gmbh Verfahren zum Detektieren einer Änderung innerhalb eines einem Präsenz- oder Überwachungssensor zugeordneten Erfassungsbereiches sowie Überwachungseinrichtung
US20150177372A1 (en) * 2013-12-19 2015-06-25 David I. Poisner MIR Two Dimensional Scanner
US9761049B2 (en) 2014-03-28 2017-09-12 Intel Corporation Determination of mobile display position and orientation using micropower impulse radar
CN103926568B (zh) * 2014-04-30 2016-08-24 中国科学院电子学研究所 平衡馈电采样接收机
US10130301B2 (en) 2015-01-22 2018-11-20 Elwha Llc Devices and methods for remote hydration measurement
US10159439B2 (en) 2015-01-22 2018-12-25 Elwha Llc Devices and methods for remote hydration measurement
KR101658933B1 (ko) * 2015-02-27 2016-09-22 전자부품연구원 초광대역 수신기용 임펄스 캐리어 신호 복원기 및 그를 포함하는 초광대역 수신기
US11480044B2 (en) 2018-02-15 2022-10-25 Frank's International, Llc Portable local positioning system
US10432242B1 (en) * 2018-05-09 2019-10-01 Morse Micro Pty Ltd Low noise broadband amplifier with resistive matching
EP3719532B1 (de) 2019-04-04 2022-12-28 Transrobotics, Inc. Technologien zum handeln auf basis von objektverfolgung
EP3751242B1 (de) * 2019-06-11 2021-12-29 Rosemount Tank Radar AB Guided-wave-radar-füllstandsmesser mit einem explosionssicheren gehäuse mit eigensicherer ausgabe
EP3795956B1 (de) 2019-09-19 2023-06-28 Rosemount Tank Radar AB Pulsradar-füllstandsmesser mit rückmeldung des sendeimpulses

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5119396A (en) * 1990-08-27 1992-06-02 Axonn Corporation Binary phase shift keying modulation system
US5095312A (en) * 1991-04-12 1992-03-10 The United States Of America As Represented By The Secretary Of The Navy Impulse transmitter and quantum detection radar system
US5271034A (en) * 1991-08-26 1993-12-14 Avion Systems, Inc. System and method for receiving and decoding global positioning satellite signals
US5267260A (en) * 1992-11-19 1993-11-30 Samsung Electronics Co., Ltd. Spread spectrum receiver using the code division multiple access mode

Also Published As

Publication number Publication date
EP0694235A1 (de) 1996-01-31
JPH08509110A (ja) 1996-09-24
ES2174874T3 (es) 2002-11-16
ATE219252T1 (de) 2002-06-15
JP3573747B2 (ja) 2004-10-06
EP0694235B1 (de) 2002-06-12
EP0694235A4 (de) 1996-04-17
US5345471A (en) 1994-09-06
WO1994024788A1 (en) 1994-10-27
DE69430801T2 (de) 2003-01-16

Similar Documents

Publication Publication Date Title
DE69430801T2 (de) Ultrabreitbandempfänger
WO2003044968A3 (en) Ultra-wideband antenna array
CA2208070A1 (en) An impulse radar with swept range gate
ATE214853T1 (de) Ultrabreitbandbewegungssensor für radar
EP0851605A3 (de) Empfängerschaltung
CA2294536A1 (en) Bandpass correlation of a spread spectrum signal
Hjortland et al. CTBV integrated impulse radio design for biomedical applications
EP0364879A3 (de) Monolitisch integrierter Abtastkopf aus Galliumarsenid mit äquivalenter Zeitabtastung, deren Bandbreite grösser als 100 GHZ ist
CA2160351A1 (en) Ultra-wideband receiver
TR20604A (tr) Verici ve alici antenleri optik goerues alani icinde bulunan radyo komuenikasyon sistemi
CA2266214A1 (en) Ultrawide bandwidth antenna for ground penetrating radar and uwb radar systems
JPS57125868A (en) Side looking aperture radar
UA15189A (uk) Імпульсhий радіолокаційhий дальhомір
CN206331113U (zh) 一种双发射信号形式探地雷达系统
CN106374945B (zh) 一种接收机及其功耗优化方法
TH34334A (th) วิธีการและเครื่องสำเร็จเพื่อทำการแปลงผันสัญญาณ if ชนิดแถบกว้างให้เป็นสัญญาณแถบฐานเชิงซ้อน (ควอเดรเจอร์)
Smith A simple simulator for differential reflectivity
RU93027519A (ru) Радиолокационная станция
JPS5796225A (en) Microwave radiometer
FELDMAN An atmospheric noise model application to low frequency navigation systems(Atmospheric noise model with application to low frequency radio navigation receivers)[Ph. D. Thesis]
CA2033305A1 (en) Amplifier circuit having second order signal cancellation
STEINER On the detection of ultrawideband radar signals(Interim Report)
Ormsby Signal characteristics of lightning and its effects on target detection
LUKOSHKIN et al. Signal processing in multichannel radar systems(Russian book)
BELLO Effect of spatial decorrelation on nulling performance of linear adaptive array[Technical Report]