JP6663115B2 - Fmcwレーダー - Google Patents
Fmcwレーダー Download PDFInfo
- Publication number
- JP6663115B2 JP6663115B2 JP2016544910A JP2016544910A JP6663115B2 JP 6663115 B2 JP6663115 B2 JP 6663115B2 JP 2016544910 A JP2016544910 A JP 2016544910A JP 2016544910 A JP2016544910 A JP 2016544910A JP 6663115 B2 JP6663115 B2 JP 6663115B2
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- Japan
- Prior art keywords
- signal
- fmcw radar
- mixer
- cancel
- frequency
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
- G01S7/352—Receivers
- G01S7/354—Extracting wanted echo-signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO 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
- G01S13/00—Systems 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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
- G01S7/038—Feedthrough nulling circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
- H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
111 局部発振器(LO)
112,113 減衰器/ローパスフィルタ(ATT/LPF)
114 ミキサ
115 電力増幅器(PA)
116 送信アンテナ
117 ハイブリッド(HYB)回路
118 RF位相シフト(RFPS)回路
120 受信アンテナ
121 低雑音増幅器(LNA)
122 ミキサ
123 イメージリジェクション&クラッタキャンセル(IMR&CLC)回路
124 IFミキサ
125,126 アナログデジタル変換器(ADC)
130 デジタルシグナルプロセッサ(DSP)
201,202,205 バラン(BLN)
203,204 可変利得増幅器(VGA)
210 演算増幅器
ADJ1,ADJ2 調整値
FI 周波数情報
Claims (9)
- 周波数変調された送信信号を生成する手段と、
前記送信信号を送出する手段と、
周波数変換のためのミキサを有し、前記送信信号に基づく反射波を受信する受信手段と、
受信信号中の漏れ信号を打ち消す第1及び第2のキャンセル信号の各々の振幅及び位相を前記送信信号の周波数の変化に応じて調整する調整手段と、
前記ミキサの前段で前記第1のキャンセル信号を前記受信信号に重畳する第1の重畳手段と、
前記ミキサの後段で前記第2のキャンセル信号を前記ミキサの出力に重畳する第2の重畳手段とを備えたFMCWレーダー。 - 請求項1記載のFMCWレーダーにおいて、
前記受信手段は前記ミキサの前段に低雑音増幅器を有し、前記第1の重畳手段は前記低雑音増幅器の前段で前記第1のキャンセル信号の重畳を行うFMCWレーダー。 - 請求項1記載のFMCWレーダーにおいて、
前記受信手段は前記ミキサの前段に低雑音増幅器を有し、前記第1の重畳手段は前記低雑音増幅器と前記ミキサとの間で前記第1のキャンセル信号の重畳を行うFMCWレーダー。 - 請求項1記載のFMCWレーダーにおいて、
前記調整手段は、90度の位相差を持つようにそれぞれI、Q分離された第1及び第2のキャンセル信号の各々の振幅を調整するFMCWレーダー。 - 請求項1記載のFMCWレーダーにおいて、
前記調整手段は、予め取得した補正データをもとに前記送信信号の周波数の変化に同期して前記第1及び第2のキャンセル信号を更新するFMCWレーダー。 - 請求項5記載のFMCWレーダーにおいて、
前記調整手段は、予め取得した前記補正データを線形補間して、前記第1及び第2のキャンセル信号の更新に用いる補正データを作成するFMCWレーダー。 - 請求項5記載のFMCWレーダーにおいて、
前記調整手段は、予め取得した前記補正データを平均化して、前記第1及び第2のキャンセル信号の更新に用いる補正データを作成するFMCWレーダー。 - 請求項5記載のFMCWレーダーにおいて、
前記調整手段は、前記補正データを定期的に取得するFMCWレーダー。 - 請求項1記載のFMCWレーダーにおいて、
全回路がワンチップで構成されたFMCWレーダー。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014173729 | 2014-08-28 | ||
JP2014173729 | 2014-08-28 | ||
PCT/JP2015/003062 WO2016031108A1 (ja) | 2014-08-28 | 2015-06-18 | Fmcwレーダー |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016031108A1 JPWO2016031108A1 (ja) | 2017-06-15 |
JP6663115B2 true JP6663115B2 (ja) | 2020-03-11 |
Family
ID=55399033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016544910A Active JP6663115B2 (ja) | 2014-08-28 | 2015-06-18 | Fmcwレーダー |
Country Status (3)
Country | Link |
---|---|
US (1) | US10444326B2 (ja) |
JP (1) | JP6663115B2 (ja) |
WO (1) | WO2016031108A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018025475A (ja) * | 2016-08-10 | 2018-02-15 | 株式会社デンソー | レーダ用送受信機 |
JP6985612B2 (ja) | 2016-12-27 | 2021-12-22 | 株式会社ソシオネクスト | レーダー装置 |
KR102429767B1 (ko) * | 2017-04-11 | 2022-08-05 | 한국전자통신연구원 | 스위치드 배열 안테나 레이더를 위한 자가 교정 방법 |
US11054500B2 (en) * | 2017-08-08 | 2021-07-06 | Texas Instruments Incorporated | Noise measurement in a radar system |
CN107728116B (zh) * | 2017-09-13 | 2020-10-16 | 加特兰微电子科技(上海)有限公司 | 雷达***及其泄漏信号抵消电路和方法 |
CN108535697A (zh) * | 2018-03-06 | 2018-09-14 | 中国船舶重工集团公司第七二四研究所 | 一种自适应射频对消提高连续波雷达收发隔离度的方法 |
EP3588127B1 (en) * | 2018-06-29 | 2024-02-14 | IMEC vzw | Spillover cancellation in radar systems |
DE102018128334B3 (de) * | 2018-11-13 | 2020-04-09 | Infineon Technologies Ag | Vorrichtung und verfahren zum einstellen eines untedrückungssignals zum unterdrücken eines hf-störsignals |
US11947031B2 (en) * | 2018-11-13 | 2024-04-02 | Texas Instruments Incorporated | Radar transceiver |
EP3667358B1 (en) | 2018-12-11 | 2024-03-06 | NXP USA, Inc. | Leakage cancellation in a radar receiver |
US11047952B2 (en) * | 2018-12-28 | 2021-06-29 | Qualcomm Incorporated | Mitigating mutual coupling leakage in small form factor devices |
US11402464B2 (en) | 2019-02-25 | 2022-08-02 | Samsung Electronics Co., Ltd. | Radar leakage measurement update |
US11656331B2 (en) * | 2020-11-30 | 2023-05-23 | Keysight Technologies, Inc. | System and method of emulating echo signals from emulated targets with reduced interference |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11183600A (ja) | 1997-12-19 | 1999-07-09 | Toshiba Corp | レーダ装置 |
WO2002017506A1 (en) * | 2000-08-22 | 2002-02-28 | Novatel Wireless, Inc. | Method and apparatus for transmitter noise cancellation in an rf communications system |
US20060198429A1 (en) * | 2005-03-02 | 2006-09-07 | Microelectronics Technology Inc. | Isolating circuit of transmitting and receiving paths in same frequency carrier |
CN101258690A (zh) * | 2005-09-06 | 2008-09-03 | 三菱电机株式会社 | 漏泄信号抵消装置 |
JP2007071751A (ja) * | 2005-09-08 | 2007-03-22 | Shimada Phys & Chem Ind Co Ltd | レーダー装置 |
US20070085727A1 (en) * | 2005-10-19 | 2007-04-19 | Honeywell International Inc. | Methods and systems for leakage cancellation in radar equipped munitions |
WO2007119405A1 (ja) | 2006-04-03 | 2007-10-25 | Brother Kogyo Kabushiki Kaisha | 無線通信装置 |
JP4577255B2 (ja) * | 2006-04-03 | 2010-11-10 | ブラザー工業株式会社 | 無線通信装置 |
WO2007127948A2 (en) * | 2006-04-27 | 2007-11-08 | Sirit Technologies Inc. | Adjusting parameters associated with leakage signals |
US7772997B2 (en) * | 2007-08-23 | 2010-08-10 | Sirit Technologies, Inc. | Reducing leakage noise in directly sampled radio frequency signals |
US8175535B2 (en) * | 2008-02-27 | 2012-05-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Active cancellation of transmitter leakage in a wireless transceiver |
JP5527833B2 (ja) * | 2009-07-16 | 2014-06-25 | フリースケール セミコンダクター インコーポレイテッド | 受信経路中の漏洩相殺のための集積回路、トランシーバおよびコンピュータ読取り可能記憶素子 |
IL206008A0 (en) * | 2010-05-27 | 2011-02-28 | Amir Meir Zilbershtain | Transmit receive interference cancellation |
US8362948B2 (en) * | 2010-08-13 | 2013-01-29 | Trex Enterprises Corp | Long range millimeter wave surface imaging radar system |
CN104737456B (zh) * | 2012-10-17 | 2016-11-09 | 株式会社村田制作所 | 收发装置 |
US9100099B2 (en) * | 2013-02-06 | 2015-08-04 | Samsung Electronics Co., Ltd. | Adaptive transmitter leakage cancelation in a transceiver |
US9577683B2 (en) * | 2013-04-22 | 2017-02-21 | University Of Washington Through Its Center For Commercialization | Systems, transceivers, receivers, and methods including cancellation circuits having multiport transformers |
US9331735B1 (en) * | 2014-05-22 | 2016-05-03 | Hrl Laboratories, Llc | GaN based active cancellation circuit for high power simultaneous transmit and receive systems |
-
2015
- 2015-06-18 JP JP2016544910A patent/JP6663115B2/ja active Active
- 2015-06-18 WO PCT/JP2015/003062 patent/WO2016031108A1/ja active Application Filing
-
2017
- 2017-02-27 US US15/443,423 patent/US10444326B2/en active Active
Also Published As
Publication number | Publication date |
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WO2016031108A1 (ja) | 2016-03-03 |
US10444326B2 (en) | 2019-10-15 |
JPWO2016031108A1 (ja) | 2017-06-15 |
US20170168140A1 (en) | 2017-06-15 |
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