JP2019536011A - 自動車のためのレーダセンサ - Google Patents
自動車のためのレーダセンサ Download PDFInfo
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- JP2019536011A JP2019536011A JP2019520855A JP2019520855A JP2019536011A JP 2019536011 A JP2019536011 A JP 2019536011A JP 2019520855 A JP2019520855 A JP 2019520855A JP 2019520855 A JP2019520855 A JP 2019520855A JP 2019536011 A JP2019536011 A JP 2019536011A
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- frequency
- radar
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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
- G01S13/343—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
-
- 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
- G01S13/347—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 more than one modulation frequency
-
- 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
- G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
- G01S7/0232—Avoidance by frequency multiplex
-
- 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
- G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
- G01S7/0234—Avoidance by code multiplex
-
- 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
- G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
-
- 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
Abstract
Description
T’c,j *fc,j=X
が一定のパラメータXをもって成り立つことによって解決される。
fR=2Rfh/(cTc) (1)
によって与えられ、ここでcは光速である。速度依存的な成分はドップラー効果の結果として生じ、ここに示す例では次式によって近似的に与えられる:
fD=2fcv/c (2)
s(k,j)=exp(i(φ0+2π(fR+fD)kT+2πfD(j−1)T’c)) (3)
φ0=4πRfc/c (4)
によって与えられ、ここでfcは周波数ランプの中心周波数である。式(3)への式(4)の代入は次式をもたらす:
s(k,j)=exp(i(4πRfc/c+2π(fR+fD)kT+2πfD(j−1)T’c)) (5)
fc,j=fc,j−1+fs (6)
が成り立ち、それにより、波列のシーケンスWj,j=1,...8,(「ファストランプ24」)が全体として、周波数偏移Nfsを有する「スロー」ランプ30を形成する(本例ではN=8を有する)。
s(k,j)=exp(i(4πRfc,j/c+2π(2Rfh/cT’c+2fc,jv/c)kT+4πfc,j(v/c)(j−1)T’c)) (7)
fc,j=fc,1+(j−1)fs (8)
4πRfc,j/c=4πR(fc,1+(j−1)fs)/c (9)
および
4π(Rfh/cT’c+fc,jv/c)kT=4π(Rfh/cT’c+(fc,1+(j−1)fs)v/c)kT (10)
はjにおいて線形である。しかし第3の項については次式が得られる:
4π(fc,jv/c)(j−1)T’c=4π((fc,1+(j−1)fs)v/c)(j−1)T’c=4π(v/c)T’c(−fc,1+fs+(fc,1−2fs)j+fsj2) (11)
T’c,j *fc,j=X (12)
4πfc,j(v/c)(j−1)T’c,=4π(v/c)(j−1)×j (13)
24 ランプ
Claims (8)
- 時間的な間隔T’c,jをおいて連続して送信され、中心周波数fc,jに関して互いに相違するそれぞれの周波数帯域を占有する、周期的に反復されるN個の波列Wj,j=1,...,Nのシーケンスを含むレーダ信号を生成するためにコンフィグレーションされた信号発生器(13)を有する、自動車のためのレーダセンサにおいて、時間的な間隔T’c,jと中心周波数fc,jについて次の関係:
T’c,j *fc,j=X
が一定のパラメータXをもって成り立つことを特徴とするレーダセンサ。 - FMCWレーダの形態の請求項1に記載のレーダセンサ。
- それぞれ個々の波列Wjの内部での周波数推移が線形のランプ(24)によって記述される、請求項1または2に記載のレーダセンサ。
- すべての波列Wjが同じ周波数偏移を有している、請求項3に記載のレーダセンサ。
- すべての波列Wjが同じランプ勾配を有している、請求項3または4に記載のレーダセンサ。
- 連続する波列Wjがポーズによって互いに分離されている、請求項4および5に記載のレーダセンサ。
- OFDM(Orthogonal Frequency Division Multiplex)レーダの形態の請求項1に記載のレーダセンサ。
- 他のレーダ源のレーダ信号の観点から中心周波数が適合化されるコグニティブレーダセンサとして構成されている、請求項1から7までのいずれか1項に記載のレーダセンサ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016221947.2 | 2016-11-09 | ||
DE102016221947.2A DE102016221947A1 (de) | 2016-11-09 | 2016-11-09 | Radarsensor für Kraftfahrzeuge |
PCT/EP2017/072837 WO2018086783A1 (de) | 2016-11-09 | 2017-09-12 | Radarsensor für kraftfahrzeuge |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019536011A true JP2019536011A (ja) | 2019-12-12 |
JP6725907B2 JP6725907B2 (ja) | 2020-07-22 |
Family
ID=59914446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019520855A Active JP6725907B2 (ja) | 2016-11-09 | 2017-09-12 | 自動車のためのレーダセンサ |
Country Status (6)
Country | Link |
---|---|
US (1) | US11199617B2 (ja) |
EP (1) | EP3538922B1 (ja) |
JP (1) | JP6725907B2 (ja) |
CN (1) | CN109923435B (ja) |
DE (1) | DE102016221947A1 (ja) |
WO (1) | WO2018086783A1 (ja) |
Cited By (2)
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JP2021181920A (ja) * | 2020-05-19 | 2021-11-25 | 日立Astemo株式会社 | レーダ装置 |
JP2023537329A (ja) * | 2020-08-10 | 2023-08-31 | コンチネンタル・オートナマス・モビリティ・ジャーマニー・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 低いシグナル処理負荷において高い距離解像度を有するレーダ変調方法 |
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DE102017119624A1 (de) * | 2017-08-28 | 2019-04-18 | HELLA GmbH & Co. KGaA | Verfahren zum Betrieb eines Radarsystems eines Fahrzeuges |
IL255982A (en) | 2017-11-29 | 2018-01-31 | Arbe Robotics Ltd | Detection, mitigation and prevention of mutual interference between fixed water radars in vehicles |
US11644529B2 (en) | 2018-03-26 | 2023-05-09 | Qualcomm Incorporated | Using a side-communication channel for exchanging radar information to improve multi-radar coexistence |
IL259190A (en) | 2018-05-07 | 2018-06-28 | Arbe Robotics Ltd | System and method for frequency hopping MIMO FMCW imaging radar |
CN110531358B (zh) * | 2018-05-25 | 2023-07-18 | 华为技术有限公司 | 信息测量方法及信息测量装置 |
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EP4016884A4 (en) * | 2019-08-19 | 2022-08-24 | Huawei Technologies Co., Ltd. | SIGNAL TRANSMISSION METHOD AND DEVICE, SIGNAL PROCESSING METHOD AND DEVICE, AND RADAR SYSTEM |
IL271269A (en) | 2019-12-09 | 2021-06-30 | Arbe Robotics Ltd | Radom for a planar antenna for car radar |
EP3862773A1 (en) * | 2020-02-04 | 2021-08-11 | Aptiv Technologies Limited | Radar device |
DE102020107372A1 (de) * | 2020-03-18 | 2021-09-23 | HELLA GmbH & Co. KGaA | Verfahren zum Betreiben eines Radarsystems |
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Cited By (7)
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JP2021181920A (ja) * | 2020-05-19 | 2021-11-25 | 日立Astemo株式会社 | レーダ装置 |
WO2021234998A1 (ja) * | 2020-05-19 | 2021-11-25 | 日立Astemo株式会社 | レーダ装置 |
JP7417471B2 (ja) | 2020-05-19 | 2024-01-18 | 日立Astemo株式会社 | レーダ装置 |
JP2023537329A (ja) * | 2020-08-10 | 2023-08-31 | コンチネンタル・オートナマス・モビリティ・ジャーマニー・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 低いシグナル処理負荷において高い距離解像度を有するレーダ変調方法 |
JP2023537900A (ja) * | 2020-08-10 | 2023-09-06 | コンチネンタル・オートナマス・モビリティ・ジャーマニー・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 低いシグナル処理負荷において高い距離解像度を有するレーダ方法とレーダシステム |
JP7480422B2 (ja) | 2020-08-10 | 2024-05-09 | コンチネンタル・オートナマス・モビリティ・ジャーマニー・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 低いシグナル処理負荷において高い距離解像度を有するレーダ方法とレーダシステム |
JP7480421B2 (ja) | 2020-08-10 | 2024-05-09 | コンチネンタル・オートナマス・モビリティ・ジャーマニー・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 低いシグナル処理負荷において高い距離解像度を有するレーダ変調方法 |
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CN109923435B (zh) | 2023-09-01 |
JP6725907B2 (ja) | 2020-07-22 |
US11199617B2 (en) | 2021-12-14 |
DE102016221947A1 (de) | 2018-05-09 |
EP3538922B1 (de) | 2022-02-23 |
EP3538922A1 (de) | 2019-09-18 |
US20190265346A1 (en) | 2019-08-29 |
CN109923435A (zh) | 2019-06-21 |
WO2018086783A1 (de) | 2018-05-17 |
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