JP5462452B2 - 信号処理装置、及びレーダ装置 - Google Patents
信号処理装置、及びレーダ装置 Download PDFInfo
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- JP5462452B2 JP5462452B2 JP2008145374A JP2008145374A JP5462452B2 JP 5462452 B2 JP5462452 B2 JP 5462452B2 JP 2008145374 A JP2008145374 A JP 2008145374A JP 2008145374 A JP2008145374 A JP 2008145374A JP 5462452 B2 JP5462452 B2 JP 5462452B2
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- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000000605 extraction Methods 0.000 claims description 17
- 238000001514 detection method Methods 0.000 description 55
- 238000000034 method Methods 0.000 description 39
- 238000010586 diagram Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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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
- 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
- G01S13/02—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
-
- 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
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
V=C・(fd−fu)/(4・f0)
そして、出力手段14gは、複数の目標物体が検出されたときに、そのなかから信頼性がある検出結果を確定する(S10)。具体的には検出履歴の接続回数が基準値以上のときに、信頼性があると判断する。
すると、この場合はビート信号Sb3を抽出せず、処理対象から除外する。その結果、図7の手順S52では、ビート信号Sb1、Sb2から求めた方位角θ12が検出される。
その結果、1つの位相差φから複数の方位角、つまり目標物体が実際に存在する方位角と、目標物体が実際に存在しない虚偽の方位角とが求められる。
Claims (2)
- 少なくとも3本のアンテナから構成されるアンテナ群を有するとともに、周波数変調した連続波を送信信号として探索領域に送信して当該探索領域からの反射信号を前記アンテナ群で受信し、前記送信信号と個々の前記アンテナで受信した受信信号との周波数差に対応する周波数を有する前記アンテナ毎の少なくとも3つのビート信号を生成するレーダ送受信機の信号処理装置であって、
前記少なくとも3つのビート信号の周波数成分の平均値を求め、その極大値が形成されるピーク周波数を検出するピーク周波数検出手段と、
前記少なくとも3つのビート信号のうち、前記平均値のピーク周波数を含むピーク周波数帯域において周波数成分のレベルが前記平均値のピーク周波数のレベル以上である第1のビート信号と第2のビート信号を抽出するビート信号抽出手段と、
前記少なくとも3つのビート信号のうち、前記平均値のピーク周波数を含むピーク周波数帯域において周波数成分のレベルが前記平均値のピーク周波数のレベル未満である第3のビート信号を用いずに、前記第1のビート信号と前記第2のビート信号との位相差に基づいて目標物体の方位角を検出する方位角検出手段とを有する信号処理装置。 - 請求項1に記載の信号処理装置を有するレーダ装置。
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JP2008145374A JP5462452B2 (ja) | 2008-06-03 | 2008-06-03 | 信号処理装置、及びレーダ装置 |
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JP2008145374A JP5462452B2 (ja) | 2008-06-03 | 2008-06-03 | 信号処理装置、及びレーダ装置 |
Publications (2)
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JP2009293968A JP2009293968A (ja) | 2009-12-17 |
JP5462452B2 true JP5462452B2 (ja) | 2014-04-02 |
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JP2008145374A Active JP5462452B2 (ja) | 2008-06-03 | 2008-06-03 | 信号処理装置、及びレーダ装置 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5468304B2 (ja) * | 2009-05-20 | 2014-04-09 | 株式会社東芝 | レーダ装置 |
JP5392410B2 (ja) * | 2010-08-18 | 2014-01-22 | トヨタ自動車株式会社 | レーダ装置 |
EP2533069A1 (en) * | 2011-06-10 | 2012-12-12 | Sony Corporation | Signal processing unit and method |
US9435873B2 (en) | 2011-07-14 | 2016-09-06 | Microsoft Technology Licensing, Llc | Sound source localization using phase spectrum |
JP5811931B2 (ja) * | 2012-04-04 | 2015-11-11 | トヨタ自動車株式会社 | 位相モノパルスレーダ装置 |
KR101620218B1 (ko) * | 2014-11-10 | 2016-05-12 | 재단법인대구경북과학기술원 | 레이더 기능을 수행하는 사용자 단말 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003255044A (ja) * | 2002-03-01 | 2003-09-10 | Toyota Central Res & Dev Lab Inc | レーダ装置 |
JP4093109B2 (ja) * | 2003-05-15 | 2008-06-04 | 株式会社デンソー | 車両用レーダ装置 |
JP4232570B2 (ja) * | 2003-07-31 | 2009-03-04 | 株式会社デンソー | 車両用レーダ装置 |
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2008
- 2008-06-03 JP JP2008145374A patent/JP5462452B2/ja active Active
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JP2009293968A (ja) | 2009-12-17 |
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