JP7124966B2 - レーダ装置、車両および不要点除去方法 - Google Patents
レーダ装置、車両および不要点除去方法 Download PDFInfo
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- JP7124966B2 JP7124966B2 JP2021525974A JP2021525974A JP7124966B2 JP 7124966 B2 JP7124966 B2 JP 7124966B2 JP 2021525974 A JP2021525974 A JP 2021525974A JP 2021525974 A JP2021525974 A JP 2021525974A JP 7124966 B2 JP7124966 B2 JP 7124966B2
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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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- 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
-
- 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
- G01S13/343—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 sawtooth 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
- 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
- G01S7/28—Details of pulse systems
- G01S7/2813—Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements 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
-
- 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
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/4454—Monopulse radar, i.e. simultaneous lobing phase comparisons monopulse, i.e. comparing the echo signals received by an interferometric antenna arrangement
-
- 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
- G01S2013/0236—Special technical features
- G01S2013/0245—Radar with phased array antenna
- G01S2013/0263—Passive array antenna
-
- 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
- G01S2013/9315—Monitoring blind spots
-
- 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)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
10,30,40 レーダ装置
11 レドーム
12,31,41 送信部
131~13M,42 送信アンテナ
14 分配器
15 発振器
18,32,44 受信部
191~19N 受信アンテナ
20 ミキサ
22,33 処理部
22C,33C 検出結果比較部
23 記憶部
24,34,45 制御部
43 走査機構
Claims (6)
- 送信アンテナを備えた送信部と、
受信アンテナおよび処理部を備えた受信部と、から構成されるレーダ装置であって、
前記送信アンテナと前記受信アンテナとのうち少なくとも一方は、複数個備えられており、
前記送信部または前記受信部は、第1のビームパターンと、前記第1のビームパターンと異なる第2のビームパターンとが使用可能であり、
前記受信部は、
前記第1のビームパターンで検知を実施したときに、電波の反射点の位置からなる検知結果を第1結果として記憶し、前記第2のビームパターンで検知を実施したときに、電波の反射点の位置からなる検知結果を第2結果として記憶する記憶部と、
前記第1結果と前記第2結果とを比較して、前記第1結果の反射点の位置と前記第2結果の反射点の位置とが異なる場合には、異なる位置の反射点を除去する検出結果比較部と、を備えたことを特徴とするレーダ装置。 - 前記送信部または前記受信部は、移相器によって電波の指向性を調整するアナログビームフォーミングを実行することを特徴とする請求項1に記載のレーダ装置。
- 前記受信部は、複数の前記受信アンテナから受信した電波のデジタルデータに基づいて電波の指向性を調整するデジタルビームフォーミングを実行することを特徴とする請求項1に記載のレーダ装置。
- 前記送信部は、前記送信アンテナの向きを機械的に変えることによって前記第1のビームパターンと前記第2のビームパターンとを切り替えることを特徴とする請求項1に記載のレーダ装置。
- 前記請求項1ないし4のいずれかに記載のレーダ装置を備えた車両。
- 送信アンテナを備えた送信部と、受信アンテナおよび処理部を備えた受信部と、から構成されるレーダ装置に適用される不要点除去方法であって、
前記送信アンテナと前記受信アンテナとのうち少なくとも一方は、複数個備えられており、
前記送信部または前記受信部は、第1のビームパターンと、前記第1のビームパターンと異なる第2のビームパターンとが使用可能であり、
前記第1のビームパターンで検知を実施したときに、前記受信部は、電波の反射点の位置からなる検知結果を第1結果として記憶し、
前記第2のビームパターンで検知を実施したときに、前記受信部は、電波の反射点の位置からなる検知結果を第2結果として記憶し、
前記受信部は、前記第1結果と前記第2結果とを比較して、前記第1結果の反射点の位置と前記第2結果の反射点の位置とが異なる場合には、異なる位置の反射点を除去することを特徴とする不要点除去方法。
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JP2019107873 | 2019-06-10 | ||
JP2019107873 | 2019-06-10 | ||
PCT/JP2020/020757 WO2020250666A1 (ja) | 2019-06-10 | 2020-05-26 | レーダ装置、車両および不要点除去方法 |
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JPWO2020250666A1 JPWO2020250666A1 (ja) | 2020-12-17 |
JP7124966B2 true JP7124966B2 (ja) | 2022-08-24 |
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US (1) | US20220057504A1 (ja) |
JP (1) | JP7124966B2 (ja) |
DE (1) | DE112020002389T5 (ja) |
WO (1) | WO2020250666A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012185029A (ja) | 2011-03-04 | 2012-09-27 | Fujitsu Ten Ltd | レーダ装置 |
JP2015117961A (ja) | 2013-12-17 | 2015-06-25 | 三星電子株式会社Samsung Electronics Co.,Ltd. | 検出装置、検出方法及びプログラム |
US20170168139A1 (en) | 2015-12-11 | 2017-06-15 | Mando Corporation | Radar apparatus for vehicle and method of removing ghost of the same |
JP2017227510A (ja) | 2016-06-21 | 2017-12-28 | 株式会社デンソーテン | レーダ装置および物標検知方法 |
JP2019070565A (ja) | 2017-10-06 | 2019-05-09 | 日本無線株式会社 | レーダ装置、レーダ装置の偽像低減方法およびレーダ装置の偽像低減プログラム |
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JP6788388B2 (ja) * | 2016-06-17 | 2020-11-25 | 株式会社デンソーテン | レーダ装置及びレーダ装置の制御方法 |
US20190377075A1 (en) * | 2016-12-29 | 2019-12-12 | Intel IP Corporation | Communication scanning method and system |
TW202002401A (zh) * | 2018-06-06 | 2020-01-01 | 財團法人工業技術研究院 | 多輸入多輸出天線系統及其控制方法 |
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- 2020-05-26 JP JP2021525974A patent/JP7124966B2/ja active Active
- 2020-05-26 DE DE112020002389.3T patent/DE112020002389T5/de active Pending
- 2020-05-26 WO PCT/JP2020/020757 patent/WO2020250666A1/ja active Application Filing
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2021
- 2021-11-08 US US17/520,757 patent/US20220057504A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012185029A (ja) | 2011-03-04 | 2012-09-27 | Fujitsu Ten Ltd | レーダ装置 |
JP2015117961A (ja) | 2013-12-17 | 2015-06-25 | 三星電子株式会社Samsung Electronics Co.,Ltd. | 検出装置、検出方法及びプログラム |
US20170168139A1 (en) | 2015-12-11 | 2017-06-15 | Mando Corporation | Radar apparatus for vehicle and method of removing ghost of the same |
JP2017227510A (ja) | 2016-06-21 | 2017-12-28 | 株式会社デンソーテン | レーダ装置および物標検知方法 |
JP2019070565A (ja) | 2017-10-06 | 2019-05-09 | 日本無線株式会社 | レーダ装置、レーダ装置の偽像低減方法およびレーダ装置の偽像低減プログラム |
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Publication number | Publication date |
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US20220057504A1 (en) | 2022-02-24 |
WO2020250666A1 (ja) | 2020-12-17 |
JPWO2020250666A1 (ja) | 2020-12-17 |
DE112020002389T5 (de) | 2022-01-27 |
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