JP2006003303A - レーダ装置 - Google Patents

レーダ装置 Download PDF

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Publication number
JP2006003303A
JP2006003303A JP2004182537A JP2004182537A JP2006003303A JP 2006003303 A JP2006003303 A JP 2006003303A JP 2004182537 A JP2004182537 A JP 2004182537A JP 2004182537 A JP2004182537 A JP 2004182537A JP 2006003303 A JP2006003303 A JP 2006003303A
Authority
JP
Japan
Prior art keywords
antenna
antennas
reception
received signal
radar apparatus
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.)
Pending
Application number
JP2004182537A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006003303A5 (enExample
Inventor
Nobukazu Shima
伸和 島
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.)
Denso Ten Ltd
Original Assignee
Denso Ten Ltd
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 Denso Ten Ltd filed Critical Denso Ten Ltd
Priority to JP2004182537A priority Critical patent/JP2006003303A/ja
Priority to EP05251256A priority patent/EP1610149A3/en
Priority to US11/071,939 priority patent/US7289058B2/en
Priority to CNB2005100719909A priority patent/CN100451675C/zh
Publication of JP2006003303A publication Critical patent/JP2006003303A/ja
Publication of JP2006003303A5 publication Critical patent/JP2006003303A5/ja
Priority to US11/858,044 priority patent/US7486223B2/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • H04B7/0604Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching with predefined switching scheme
    • H04B7/0606Random or pseudo-random switching scheme
    • 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
    • G01S7/03Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/034Duplexers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0805Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
    • H04B7/0814Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching based on current reception conditions, e.g. switching to different antenna when signal level is below threshold
    • 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
    • G01S13/32Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • G01S13/345Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using triangular modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP2004182537A 2004-06-21 2004-06-21 レーダ装置 Pending JP2006003303A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2004182537A JP2006003303A (ja) 2004-06-21 2004-06-21 レーダ装置
EP05251256A EP1610149A3 (en) 2004-06-21 2005-03-02 Radar apparatus
US11/071,939 US7289058B2 (en) 2004-06-21 2005-03-04 Radar apparatus
CNB2005100719909A CN100451675C (zh) 2004-06-21 2005-05-25 雷达装置
US11/858,044 US7486223B2 (en) 2004-06-21 2007-09-19 Radar apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004182537A JP2006003303A (ja) 2004-06-21 2004-06-21 レーダ装置

Publications (2)

Publication Number Publication Date
JP2006003303A true JP2006003303A (ja) 2006-01-05
JP2006003303A5 JP2006003303A5 (enExample) 2007-07-26

Family

ID=34978877

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004182537A Pending JP2006003303A (ja) 2004-06-21 2004-06-21 レーダ装置

Country Status (4)

Country Link
US (2) US7289058B2 (enExample)
EP (1) EP1610149A3 (enExample)
JP (1) JP2006003303A (enExample)
CN (1) CN100451675C (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007083479A1 (ja) * 2006-01-23 2007-07-26 Murata Manufacturing Co., Ltd. レーダ装置
JP2007225589A (ja) * 2006-01-30 2007-09-06 Fujitsu Ltd 目標検出装置およびシステム
JP2007333656A (ja) * 2006-06-16 2007-12-27 Murata Mfg Co Ltd レーダ装置
US7683824B2 (en) 2007-04-19 2010-03-23 Mitsubishi Electric Corporation Radar apparatus
JP2016525209A (ja) * 2013-06-25 2016-08-22 ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング 角度分解型fmcwレーダセンサ

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008053685A1 (en) * 2006-11-01 2008-05-08 Murata Manufacturing Co., Ltd. Radar target detecting method and radar device using the target detection method
US20080284636A1 (en) * 2007-03-07 2008-11-20 The Macaleese Companies, Inc. D/B/A Safe Zone Systems Object detection method and apparatus
FR2919731A1 (fr) * 2007-08-03 2009-02-06 Thales Sa Architecture radar modulaire
DE102007039897B3 (de) * 2007-08-23 2008-10-16 Universität Karlsruhe (Th) Verfahren zum Betrieb einer Antennengruppe mit mehreren Sendern und mehreren Empfängern sowie zugehörige Vorrichtung
US9733349B1 (en) 2007-09-06 2017-08-15 Rockwell Collins, Inc. System for and method of radar data processing for low visibility landing applications
US9939526B2 (en) 2007-09-06 2018-04-10 Rockwell Collins, Inc. Display system and method using weather radar sensing
US9354633B1 (en) 2008-10-31 2016-05-31 Rockwell Collins, Inc. System and method for ground navigation
US7973700B2 (en) * 2008-01-31 2011-07-05 Denso International America, Inc. Dual transmitting antenna system
JP2009265007A (ja) * 2008-04-28 2009-11-12 Hitachi Ltd 移動体用レーダ及び平面アンテナ
JP4715871B2 (ja) * 2008-06-10 2011-07-06 株式会社デンソー 方位検出装置、レーダ装置
US8558731B1 (en) * 2008-07-02 2013-10-15 Rockwell Collins, Inc. System for and method of sequential lobing using less than full aperture antenna techniques
JP2010021955A (ja) * 2008-07-14 2010-01-28 Canon Inc 無線通信装置及びそのアンテナ選択方法
US8077078B1 (en) 2008-07-25 2011-12-13 Rockwell Collins, Inc. System and method for aircraft altitude measurement using radar and known runway position
EP2654211B1 (en) * 2009-06-29 2017-03-01 NXP USA, Inc. Multichannel receiver system and method for multichannel receiver monitoring
KR101137088B1 (ko) * 2010-01-06 2012-04-19 주식회사 만도 통합 레이더 장치 및 통합 안테나 장치
US20110319034A1 (en) * 2010-06-28 2011-12-29 Boe Eric N Method and system for propagation time measurement and calibration using mutual coupling in a radio frequency transmit/receive system
JP5653726B2 (ja) * 2010-11-12 2015-01-14 株式会社デンソー レーダ装置
JP5655516B2 (ja) * 2010-11-12 2015-01-21 株式会社デンソー レーダ装置
JP2012168157A (ja) * 2011-02-11 2012-09-06 National Univ Corp Shizuoka Univ 車載用のマルチビーム方式レーダ装置、マルチビーム方式レーダ方法およびマルチビーム方式レーダプログラム
US20120294338A1 (en) * 2011-05-18 2012-11-22 Jing-Hong Conan Zhan Phase-arrayed transceiver
US8970427B2 (en) 2011-05-18 2015-03-03 Mediatek Singapore Pte. Ltd. Phase-arrayed device and method for calibrating the phase-arrayed device
US9019145B1 (en) 2011-07-14 2015-04-28 Rockwell Collins, Inc. Ground clutter rejection for weather radar
CN102411137B (zh) * 2011-07-28 2015-04-22 周必友 对信号源进行定位的方法及其装置
US8937570B2 (en) * 2012-09-28 2015-01-20 Battelle Memorial Institute Apparatus for synthetic imaging of an object
US9262932B1 (en) 2013-04-05 2016-02-16 Rockwell Collins, Inc. Extended runway centerline systems and methods
KR20140144826A (ko) * 2013-06-12 2014-12-22 주식회사 만도 레이더 장치 및 안테나 장치
US10928510B1 (en) 2014-09-10 2021-02-23 Rockwell Collins, Inc. System for and method of image processing for low visibility landing applications
US10705201B1 (en) 2015-08-31 2020-07-07 Rockwell Collins, Inc. Radar beam sharpening system and method
JP6365494B2 (ja) * 2015-10-07 2018-08-01 株式会社デンソー アンテナ装置及び物標検出装置
JP2017173227A (ja) * 2016-03-25 2017-09-28 パナソニック株式会社 レーダ装置及びレーダ方法
US9846228B2 (en) 2016-04-07 2017-12-19 Uhnder, Inc. Software defined automotive radar systems
US9689967B1 (en) 2016-04-07 2017-06-27 Uhnder, Inc. Adaptive transmission and interference cancellation for MIMO radar
US10261179B2 (en) 2016-04-07 2019-04-16 Uhnder, Inc. Software defined automotive radar
US9791551B1 (en) 2016-04-25 2017-10-17 Uhnder, Inc. Vehicular radar system with self-interference cancellation
US9575160B1 (en) 2016-04-25 2017-02-21 Uhnder, Inc. Vehicular radar sensing system utilizing high rate true random number generator
US9599702B1 (en) 2016-04-25 2017-03-21 Uhnder, Inc. On-demand multi-scan micro doppler for vehicle
WO2017187331A1 (en) 2016-04-25 2017-11-02 Uhnder, Inc. Vehicle radar system with a shared radar and communication system
WO2017187278A1 (en) 2016-04-25 2017-11-02 Uhnder, Inc. Pmcw – pmcw interference mitigation
WO2017187306A1 (en) 2016-04-25 2017-11-02 Uhnder, Inc. Adaptive filtering for fmcw interference mitigation in pmcw radar systems
US10573959B2 (en) 2016-04-25 2020-02-25 Uhnder, Inc. Vehicle radar system using shaped antenna patterns
US9806914B1 (en) 2016-04-25 2017-10-31 Uhnder, Inc. Successive signal interference mitigation
WO2017187304A2 (en) 2016-04-25 2017-11-02 Uhnder, Inc. Digital frequency modulated continuous wave radar using handcrafted constant envelope modulation
EP3440784B1 (en) * 2016-04-29 2020-09-02 Huawei Technologies Co., Ltd. Method and apparatus for antenna sub-array switching based on channel capacity
EP3460505A4 (en) * 2016-05-20 2019-05-08 Mitsubishi Electric Corporation WEATHER RADAR DEVICE
US10228460B1 (en) 2016-05-26 2019-03-12 Rockwell Collins, Inc. Weather radar enabled low visibility operation system and method
US9753121B1 (en) 2016-06-20 2017-09-05 Uhnder, Inc. Power control for improved near-far performance of radar systems
EP3482503A4 (en) 2016-07-08 2020-03-04 Magna Electronics Inc. 2d mimo radar system for vehicle
US10353068B1 (en) 2016-07-28 2019-07-16 Rockwell Collins, Inc. Weather radar enabled offshore operation system and method
CN106199529B (zh) * 2016-08-19 2018-08-21 西安电子科技大学 最小冗余多输入多输出雷达的天线阵列设置方法
WO2018051288A1 (en) 2016-09-16 2018-03-22 Uhnder, Inc. Virtual radar configuration for 2d array
JP2018072014A (ja) * 2016-10-25 2018-05-10 ソニーセミコンダクタソリューションズ株式会社 レーダ装置、信号処理装置及び信号処理方法
CN108267735B (zh) * 2016-12-30 2024-03-26 北京行易道科技有限公司 雷达
WO2018146634A1 (en) 2017-02-10 2018-08-16 Uhnder, Inc. Increasing performance of a receive pipeline of a radar with memory optimization
WO2018146530A1 (en) 2017-02-10 2018-08-16 Uhnder, Inc. Reduced complexity fft-based correlation for automotive radar
US10567043B2 (en) * 2017-02-10 2020-02-18 Huawei Technologies Co., Ltd. Antenna arrangements for interference alignment in line of sight wireless communications
US11454697B2 (en) 2017-02-10 2022-09-27 Uhnder, Inc. Increasing performance of a receive pipeline of a radar with memory optimization
US11105890B2 (en) 2017-12-14 2021-08-31 Uhnder, Inc. Frequency modulated signal cancellation in variable power mode for radar applications
US12386029B2 (en) 2018-01-29 2025-08-12 Robert Bosch Gmbh Millimeter wave automotive radar systems
JP7061534B2 (ja) * 2018-08-02 2022-04-28 日立Astemo株式会社 レーダ装置
DE102018214586A1 (de) * 2018-08-29 2020-03-05 Robert Bosch Gmbh Vorrichtung zum Empfangen von Licht zur Detektion eines Objekts
US11474225B2 (en) 2018-11-09 2022-10-18 Uhnder, Inc. Pulse digital mimo radar system
WO2020183392A1 (en) 2019-03-12 2020-09-17 Uhnder, Inc. Method and apparatus for mitigation of low frequency noise in radar systems
CN110568435B (zh) * 2019-07-26 2022-11-22 广东工业大学 一种适用于高压杆塔的鸟类飞行轨迹预测方法
US11899126B2 (en) 2020-01-13 2024-02-13 Uhnder, Inc. Method and system for multi-chip operation of radar systems
US11515886B2 (en) * 2020-09-07 2022-11-29 Konkuk University Industrial Cooperation Corp. Analog-to-digital converter, electronic device including the same, and operating method of analog-to-digital converter
KR20230167076A (ko) * 2021-04-09 2023-12-07 소프트뱅크 가부시키가이샤 안테나 장치, 시스템, 통신 장치, 데이터 처리 장치, 및 프로그램
EP4325249A4 (en) * 2021-04-30 2024-08-07 Huawei Technologies Co., Ltd. RADAR SYSTEM AND TERMINAL DEVICE
CN113945923A (zh) * 2021-09-06 2022-01-18 中国电波传播研究所(中国电子科技集团公司第二十二研究所) 一种自适应单轨多幅探地雷达、控制方法及应用
CN114114154A (zh) * 2021-11-08 2022-03-01 宁波溪棠信息科技有限公司 毫米波雷达、毫米波雷达的天线切换方法和电子装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868695A (en) * 1973-07-18 1975-02-25 Westinghouse Electric Corp Conformal array beam forming network
WO1988006295A1 (fr) * 1987-02-13 1988-08-25 Mitsubishi Denki Kabushiki Kaisha Radar holographique
JPH0668542B2 (ja) 1987-04-14 1994-08-31 三菱電機株式会社 ホログラフイツクレ−ダ
US5008678A (en) * 1990-03-02 1991-04-16 Hughes Aircraft Company Electronically scanning vehicle radar sensor
JPH07120547A (ja) * 1993-10-21 1995-05-12 Honda Motor Co Ltd レーダ装置
US5767793A (en) * 1995-04-21 1998-06-16 Trw Inc. Compact vehicle based rear and side obstacle detection system including multiple antennae
US5657027A (en) * 1996-06-02 1997-08-12 Hughes Electronics Two dimensional interferometer array
JP3597678B2 (ja) * 1997-08-18 2004-12-08 富士通株式会社 レーダ装置
JP3525426B2 (ja) * 1997-11-28 2004-05-10 トヨタ自動車株式会社 レーダ装置
US6292126B1 (en) * 1997-12-30 2001-09-18 Cable Television Laboratories Quantizer that uses optimum decision thresholds
JPH11231040A (ja) * 1998-02-12 1999-08-27 Toyota Motor Corp レーダ装置
JP3534164B2 (ja) * 1998-04-28 2004-06-07 トヨタ自動車株式会社 Fm−cwレーダ装置
DE69928735T2 (de) 1998-09-14 2006-07-06 Kabushiki Kaisha Toyota Chuo Kenkyusho, Nagakute Holographisches Radar
JP3368874B2 (ja) 1998-09-14 2003-01-20 株式会社豊田中央研究所 ホログラフィックレーダ
JP3498624B2 (ja) * 1999-03-31 2004-02-16 株式会社デンソー レーダ装置
JP3622565B2 (ja) * 1999-03-31 2005-02-23 株式会社デンソー レーダ装置
EP1043801B1 (en) * 1999-04-05 2005-09-14 Nippon Telegraph and Telephone Corporation Adaptive array antenna system
JP4258941B2 (ja) * 1999-06-03 2009-04-30 株式会社デンソー レーダ装置
US6573859B2 (en) * 2000-02-07 2003-06-03 Toyota Jidosha Kabushiki Kaisha Radar apparatus
JP2003028951A (ja) * 2001-07-11 2003-01-29 Fujitsu Ten Ltd レーダ装置
JP3988571B2 (ja) * 2001-09-17 2007-10-10 株式会社デンソー レーダ装置
JP4067456B2 (ja) * 2003-06-09 2008-03-26 富士通テン株式会社 レーダ装置及びその信号処理制御方法
JP4833534B2 (ja) * 2004-09-29 2011-12-07 富士通株式会社 レーダ装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007083479A1 (ja) * 2006-01-23 2007-07-26 Murata Manufacturing Co., Ltd. レーダ装置
US7525479B2 (en) 2006-01-23 2009-04-28 Murata Manufacturing Co., Ltd. Radar apparatus
JPWO2007083479A1 (ja) * 2006-01-23 2009-06-11 株式会社村田製作所 レーダ装置
JP4844566B2 (ja) * 2006-01-23 2011-12-28 株式会社村田製作所 レーダ装置
JP2007225589A (ja) * 2006-01-30 2007-09-06 Fujitsu Ltd 目標検出装置およびシステム
JP2007333656A (ja) * 2006-06-16 2007-12-27 Murata Mfg Co Ltd レーダ装置
US7683824B2 (en) 2007-04-19 2010-03-23 Mitsubishi Electric Corporation Radar apparatus
JP2016525209A (ja) * 2013-06-25 2016-08-22 ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング 角度分解型fmcwレーダセンサ

Also Published As

Publication number Publication date
US7289058B2 (en) 2007-10-30
CN1712986A (zh) 2005-12-28
EP1610149A2 (en) 2005-12-28
US20080158056A1 (en) 2008-07-03
US20050280572A1 (en) 2005-12-22
CN100451675C (zh) 2009-01-14
US7486223B2 (en) 2009-02-03
EP1610149A3 (en) 2006-10-11

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