JP6873315B2 - レーダ装置 - Google Patents
レーダ装置 Download PDFInfo
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- JP6873315B2 JP6873315B2 JP2020504852A JP2020504852A JP6873315B2 JP 6873315 B2 JP6873315 B2 JP 6873315B2 JP 2020504852 A JP2020504852 A JP 2020504852A JP 2020504852 A JP2020504852 A JP 2020504852A JP 6873315 B2 JP6873315 B2 JP 6873315B2
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- 238000000034 method Methods 0.000 claims description 60
- 238000013459 approach Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 description 49
- 230000005540 biological transmission Effects 0.000 description 18
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 7
- 238000001228 spectrum Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 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
- 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
- G01S7/356—Receivers involving particularities of FFT processing
-
- 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
-
- 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
- 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
-
- 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
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/583—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
- G01S13/584—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets adapted for simultaneous range and velocity measurements
-
- 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
- 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
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
101:送信アンテナ
102:受信アンテナ
103:送信部
104:受信部
105:発振器
106:制御部
107:通信I/F部
109:車両制御装置
110:FFT処理部
112:物体情報算出部
Claims (5)
- 第1方向に並べられる複数のアンテナ素子と、
前記第1方向とは異なる第2方向に並べられる複数のアンテナ素子と、
プロセッサと、を備え、
前記プロセッサは、
前記第1方向に並べられる前記複数のアンテナ素子で受信される反射波に基づいて前記第1方向の到来角群のそれぞれの到来角を計算し、
前記第2方向に並べられる前記複数のアンテナ素子で受信される反射波に基づいて前記第2方向の到来角群のそれぞれの到来角を計算し、
前記第1方向の到来角の数と前記第2方向の到来角の数の組合せに応じて、前記第1方向の到来角群のそれぞれの到来角と前記第2方向の到来角群のそれぞれの到来角をペアリングする方法を選択する
ことを特徴とするレーダ装置。 - 請求項1に記載のレーダ装置であって、
前記プロセッサは、
前記第1方向の到来角の数と前記第2方向の到来角の数が等しい場合、前記第1方向の到来波の電力の絶対値と前記第2方向の到来波の電力の絶対値との差が所定値以内となる前記第1方向の到来角と前記第2方向の到来角をペアリングする
ことを特徴とするレーダ装置。 - 請求項1に記載のレーダ装置であって、
前記プロセッサは、
前記第2方向の到来角の数が1であり、かつ、前記第1方向の到来角の数が2以上の場合、前記第2方向の到来角と前記第1方向の到来角群のそれぞれの到来角をペアリングする
ことを特徴とするレーダ装置。 - 請求項1に記載のレーダ装置であって、
前記プロセッサは、
前記第2方向の到来角の数が2以上であり、かつ、前記第1方向の到来角の数が前記第2方向の到来角の数より大きい場合、
(a) 前記第1方向の到来波の電力の絶対値と前記第2方向の到来波の電力の絶対値との差が所定値以内となる前記第1方向の到来角と前記第2方向の到来角をペアリングし、(b) (a)の後、ペアリングされていない前記第2方向の到来角の数が1の場合、前記第2方向の到来角とペアリングされていない前記第1方向の到来角群のそれぞれの到来角をペアリングする
ことを特徴とするレーダ装置。 - 請求項1に記載のレーダ装置であって、
前記プロセッサは、
前記第1方向の到来角の数及び前記第2方向の到来角の数が1以上である場合、ペアリングされた前記第1方向の到来角と前記第2方向の到来角によって物体の方角を特定し、
前記第1方向の到来角の数又は前記第2方向の到来角の数が0である場合、物体の方角を特定しない
ことを特徴とするレーダ装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018039407 | 2018-03-06 | ||
JP2018039407 | 2018-03-06 | ||
PCT/JP2019/002847 WO2019171828A1 (ja) | 2018-03-06 | 2019-01-29 | レーダ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019171828A1 JPWO2019171828A1 (ja) | 2021-01-07 |
JP6873315B2 true JP6873315B2 (ja) | 2021-05-19 |
Family
ID=67846064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020504852A Active JP6873315B2 (ja) | 2018-03-06 | 2019-01-29 | レーダ装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210025969A1 (ja) |
JP (1) | JP6873315B2 (ja) |
DE (1) | DE112019000520T5 (ja) |
WO (1) | WO2019171828A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112017007937B4 (de) * | 2017-10-23 | 2022-03-03 | Mitsubishi Electric Corporation | Kommunikationseinrichtung, Steuerungsverfahren und Steuerungsprogramm |
WO2021014686A1 (ja) * | 2019-07-24 | 2021-01-28 | ソニー株式会社 | レーダー装置、処理装置、算出方法、及び算出プログラム |
DE102019130388B4 (de) * | 2019-11-11 | 2022-10-20 | Infineon Technologies Ag | Radarvorrichtung mit integrierter Sicherheitsfähigkeit |
JP7381970B2 (ja) * | 2020-05-29 | 2023-11-16 | 日本電信電話株式会社 | レーダ装置および物体検出方法並びに物体検出プログラム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6404379B1 (en) * | 2000-06-29 | 2002-06-11 | Lockheed Martin Corporation | Matrix monopulse ratio radar processor for two target azimuth and elevation angle determination |
DE102008038365A1 (de) * | 2008-07-02 | 2010-01-07 | Adc Automotive Distance Control Systems Gmbh | Fahrzeug-Radarsystem und Verfahren zur Bestimmung einer Position zumindest eines Objekts relativ zu einem Fahrzeug |
JP5253281B2 (ja) * | 2009-04-17 | 2013-07-31 | 三菱電機株式会社 | レーダ装置 |
US20160377713A1 (en) * | 2013-12-12 | 2016-12-29 | National University Corporation Shizuoka University | Method for estimating reflected wave arrival direction, and program |
JP6377000B2 (ja) * | 2015-03-25 | 2018-08-22 | パナソニック株式会社 | レーダ装置 |
JP6920032B2 (ja) * | 2016-07-05 | 2021-08-18 | 株式会社デンソーテン | レーダ装置および角度検出方法 |
-
2019
- 2019-01-29 WO PCT/JP2019/002847 patent/WO2019171828A1/ja active Application Filing
- 2019-01-29 DE DE112019000520.0T patent/DE112019000520T5/de active Pending
- 2019-01-29 US US16/969,022 patent/US20210025969A1/en not_active Abandoned
- 2019-01-29 JP JP2020504852A patent/JP6873315B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JPWO2019171828A1 (ja) | 2021-01-07 |
WO2019171828A1 (ja) | 2019-09-12 |
DE112019000520T5 (de) | 2020-10-15 |
US20210025969A1 (en) | 2021-01-28 |
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