JP2010038841A - レーダ装置及び物標検出方法 - Google Patents
レーダ装置及び物標検出方法 Download PDFInfo
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- 238000000926 separation method Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000003068 static effect Effects 0.000 abstract 1
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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
- 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
- G01S13/345—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 using triangular modulation
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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
- 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
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/426—Scanning radar, e.g. 3D radar
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/93185—Controlling the brakes
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9319—Controlling the accelerator
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/932—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles using own vehicle data, e.g. ground speed, steering wheel direction
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9325—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles for inter-vehicle distance regulation, e.g. navigating in platoons
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93271—Sensor installation details in the front of the vehicles
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93272—Sensor installation details in the back of the vehicles
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93274—Sensor installation details on the side of the vehicles
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)
Abstract
【解決手段】送信波と受信波を利用して第1のビートにおける複数の第1ピーク信号及び第2のビートにおける複数の第2ピーク信号を検出するピーク検出手段(32)と、複数の第2ピーク信号のグループ化を行って第2のビートにおけるグループ信号を得るグループ化手段(33)と、グループ信号に対応するピーク信号を複数の第1ピーク信号の中から検索する検索手段(34)と、グループ信号に対応するピーク信号を複数の第1ピーク信号の中から分離する分離手段(35)を有することを特徴とするレーダ装置(10)。
【選択図】図3
Description
fbdown=fr+fd (2)
また、ドップラ周波数fdと速度Vとの関係は次式(3)で表される。
このfbup、fbdownを減算処理などで飛行時間により生じる周波数差frを算出し、fbup、fbdownを加算処理などでドップラシフト分のずれfdを算出し、それらに定数を乗算することにより距離、及び相対速度に変換することができる。即ち、fr及びfbは、それぞれ次式(4)及び(5)で表される。
fd=(fbup+fbdown)/2 (5)
したがって、同一の物標に関して、fbup、fbdownの両者が求められれば、fr、fdが算出でき、物標の距離及び相対速度を検出することができる。なお、物標との相対速度が0の場合には、アップビート区間でのビート信号周波数fbup及びダウンビート区間でのビート信号周波数fbdownは等しくなる。
11 三角波生成回路
12 電圧制御発信器
13 方向性結合器
14 送信アンテナ
15 受信アンテナ
16 アンテナ構成部材
17 ミキサ
18 A/D変換器
20 モータ駆動回路
21 モータ
22 エンコーダ
23 車両制御用ECU
24 ブレーキ
25 スロットル
26 警報機
27 ステアリングセンサ
28 ヨーレートセンサ
29 車速センサ
30 マイコン
31 物標検出部
32 ピーク信号検出部
33 グループ化部
34 ピーク信号検索部
35 分離部
Claims (5)
- 周波数変調をかけた送信波を物標に送信するとともに、物標で反射された受信波を受信するアンテナと、
前記送信波と前記受信波を利用して、第1のビートにおける複数の第1ピーク信号と、第2のビートにおける複数の第2ピーク信号を検出するピーク検出手段と、
前記複数の第2ピーク信号のグループ化を行って前記第2のビートにおけるグループ信号を得るグループ化手段と、
前記グループ信号に対応するピーク信号を前記複数の第1ピーク信号の中から検索する検索手段と、
前記対応するピーク信号を前記複数の第1ピーク信号の中から分離する分離手段と、
を有することを特徴とするレーダ装置。 - 前記分離手段は、前記グループ信号に含まれるピーク信号の本数に基づいて、前記グループ信号に対応するピーク信号を分離する、請求項1に記載のレーダ装置。
- 前記分離手段は、前記検索手段によって検索されたピーク信号と同じ周波数を有する前記複数の第1ピーク信号において、前記検索手段によって検索されたピーク信号の左右のピーク信号の本数の違いに基づいて、前記グループ信号に対応するビート信号の分離を行う、請求項1に記載のレーダ装置。
- 前記分離手段は、前記検索手段によって検索されたピーク信号と同じ周波数を有する前記複数の第1ピーク信号の頂点を結ぶ2次近似曲線を利用して、前記グループ信号に対応するビート信号の分離を行う、請求項1に記載のレーダ装置。
- 周波数変調をかけた送信波を物標に送信するとともに、物標で反射された受信波を受信して、第1のビートにおける複数の第1ピーク信号と、第2のビートにおける複数の第2ピーク信号を検出し、
前記複数の第2ピーク信号のグループ化を行って前記第2のビートにおけるグループ信号を取得し、
前記グループ信号に対応するピーク信号を前記複数の第1ピーク信号の中から検索し、
前記対応するピーク信号を前記複数の第1ピーク信号の中から分離する、
ステップを有することを特徴とする物標分離方法。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008204683A JP5317570B2 (ja) | 2008-08-07 | 2008-08-07 | レーダ装置及び物標検出方法 |
| US12/537,707 US7893864B2 (en) | 2008-08-07 | 2009-08-07 | Radar apparatus and control method of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008204683A JP5317570B2 (ja) | 2008-08-07 | 2008-08-07 | レーダ装置及び物標検出方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010038841A true JP2010038841A (ja) | 2010-02-18 |
| JP5317570B2 JP5317570B2 (ja) | 2013-10-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008204683A Expired - Fee Related JP5317570B2 (ja) | 2008-08-07 | 2008-08-07 | レーダ装置及び物標検出方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7893864B2 (ja) |
| JP (1) | JP5317570B2 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013083467A (ja) * | 2011-10-06 | 2013-05-09 | Japan Aerospace Exploration Agency | 光学式遠隔気流計測装置の有色ノイズ低減方法とその装置 |
| JP2014106024A (ja) * | 2012-11-26 | 2014-06-09 | Mitsubishi Electric Corp | 目標検出装置及び目標検出方法 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5256223B2 (ja) * | 2010-01-27 | 2013-08-07 | 富士通テン株式会社 | レーダシステム、及び方位検出方法 |
| JP5684533B2 (ja) * | 2010-10-21 | 2015-03-11 | 日本電産エレシス株式会社 | 電子走査型レーダ装置、受信波方向推定方法及び受信波方向推定プログラム |
| JP5709476B2 (ja) * | 2010-11-10 | 2015-04-30 | 富士通テン株式会社 | レーダ装置 |
| CN103562743A (zh) * | 2011-04-20 | 2014-02-05 | 飞思卡尔半导体公司 | 接收器器件、多频雷达系统以及运载工具 |
| JP5982134B2 (ja) * | 2012-02-29 | 2016-08-31 | 富士通テン株式会社 | レーダ装置、および、信号処理方法 |
| US10697856B2 (en) * | 2016-07-08 | 2020-06-30 | Dynamic Research Inc. | To a soft collision partner (aka soft car) used in system for testing crash avoidance technologies |
| US11085989B2 (en) * | 2019-05-31 | 2021-08-10 | Craig Russell Armstrong | Low-frequency radio navigation system |
| CN111091148B (zh) * | 2019-12-10 | 2021-07-27 | 成都纳雷科技有限公司 | 一种基于目标先验信息的车载雷达目标跟踪方法及装置 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0798375A (ja) * | 1993-09-28 | 1995-04-11 | Toyota Motor Corp | 車載レーダ装置 |
| JP2000039474A (ja) * | 1998-07-23 | 2000-02-08 | Fujitsu Ten Ltd | スキャン式レーダの信号処理装置 |
| JP2000065921A (ja) * | 1998-08-18 | 2000-03-03 | Toyota Motor Corp | Fm−cwレーダ装置 |
| JP2002202365A (ja) * | 2000-12-28 | 2002-07-19 | Fujitsu Ten Ltd | スキャン式レーダの静止物検知方法 |
| JP2003185738A (ja) * | 2001-12-13 | 2003-07-03 | Murata Mfg Co Ltd | レーダ |
| JP2003202374A (ja) * | 2002-01-07 | 2003-07-18 | Murata Mfg Co Ltd | レーダ |
| JP2005308545A (ja) * | 2004-04-21 | 2005-11-04 | Fujitsu Ten Ltd | 物標特定装置、物標特定方法および物標特定プログラム |
| JP2006234493A (ja) * | 2005-02-23 | 2006-09-07 | Aisin Seiki Co Ltd | 物体認識装置及び方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3406225B2 (ja) | 1998-04-30 | 2003-05-12 | 富士通テン株式会社 | Fm−cw方式レーダの信号処理装置 |
| JP2002236170A (ja) | 2001-02-06 | 2002-08-23 | Fujitsu Ten Ltd | Fm−cwレーダ処理装置 |
| JP3709826B2 (ja) | 2001-10-12 | 2005-10-26 | 株式会社村田製作所 | レーダ |
| JP3703756B2 (ja) | 2001-11-08 | 2005-10-05 | 富士通テン株式会社 | レーダ装置 |
| JP3753652B2 (ja) | 2001-12-04 | 2006-03-08 | 富士通テン株式会社 | Fm−cwレーダのミスペアリング判定及び信号処理方法 |
| JP3797277B2 (ja) * | 2002-06-04 | 2006-07-12 | 株式会社村田製作所 | レーダ |
-
2008
- 2008-08-07 JP JP2008204683A patent/JP5317570B2/ja not_active Expired - Fee Related
-
2009
- 2009-08-07 US US12/537,707 patent/US7893864B2/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0798375A (ja) * | 1993-09-28 | 1995-04-11 | Toyota Motor Corp | 車載レーダ装置 |
| JP2000039474A (ja) * | 1998-07-23 | 2000-02-08 | Fujitsu Ten Ltd | スキャン式レーダの信号処理装置 |
| JP2000065921A (ja) * | 1998-08-18 | 2000-03-03 | Toyota Motor Corp | Fm−cwレーダ装置 |
| JP2002202365A (ja) * | 2000-12-28 | 2002-07-19 | Fujitsu Ten Ltd | スキャン式レーダの静止物検知方法 |
| JP2003185738A (ja) * | 2001-12-13 | 2003-07-03 | Murata Mfg Co Ltd | レーダ |
| JP2003202374A (ja) * | 2002-01-07 | 2003-07-18 | Murata Mfg Co Ltd | レーダ |
| JP2005308545A (ja) * | 2004-04-21 | 2005-11-04 | Fujitsu Ten Ltd | 物標特定装置、物標特定方法および物標特定プログラム |
| JP2006234493A (ja) * | 2005-02-23 | 2006-09-07 | Aisin Seiki Co Ltd | 物体認識装置及び方法 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013083467A (ja) * | 2011-10-06 | 2013-05-09 | Japan Aerospace Exploration Agency | 光学式遠隔気流計測装置の有色ノイズ低減方法とその装置 |
| JP2014106024A (ja) * | 2012-11-26 | 2014-06-09 | Mitsubishi Electric Corp | 目標検出装置及び目標検出方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5317570B2 (ja) | 2013-10-16 |
| US7893864B2 (en) | 2011-02-22 |
| US20100033366A1 (en) | 2010-02-11 |
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