JP2016151425A - レーダ装置 - Google Patents
レーダ装置 Download PDFInfo
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- JP2016151425A JP2016151425A JP2015027526A JP2015027526A JP2016151425A JP 2016151425 A JP2016151425 A JP 2016151425A JP 2015027526 A JP2015027526 A JP 2015027526A JP 2015027526 A JP2015027526 A JP 2015027526A JP 2016151425 A JP2016151425 A JP 2016151425A
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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
- G01S7/023—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
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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
- G01S7/40—Means for monitoring or calibrating
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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
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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
- G01S7/021—Auxiliary means for detecting or identifying radar signals or the like, e.g. radar jamming signals
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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
- G01S7/023—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
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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
- G01S7/023—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
- G01S7/0233—Avoidance by phase multiplex
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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
- G01S7/023—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
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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
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
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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
- G01S7/36—Means for anti-jamming, e.g. ECCM, i.e. electronic counter-counter measures
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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
- G01S2013/0236—Special technical features
- G01S2013/0245—Radar with phased array antenna
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
図1は、本開示の実施の形態1に係るレーダ装置10の構成を示すブロック図である。レーダ装置10は、レーダ送信部20、レーダ受信部30、基準信号生成部11、送信制御部12及び干渉対策制御部13を備える。
本開示の実施の形態2では、周波数掃引とレーダ送信間隔との関係性について説明する。
図12は、本開示の実施の形態3に係るレーダ装置80の構成を示すブロック図である。図12が図1と異なる点は、干渉対策制御部13を削除し、相関演算部40を相関演算部81に変更し、加算部41を加算部82に変更し、方向推定部43を方向推定部85に変更し、第2加算部83と角度毎干渉成分検出部84を追加した点である。
上記実施の形態2のレーダ装置の構成に限らず、図13に示す構成でもよい。図13は、図12に対して、干渉検出部38及び干渉判定部39を削除したものである。
レーダ送信信号生成部21は、図1に示す構成に限らず、図14に示す構成であってもよい。図14のレーダ送信信号生成部21は、符号記憶部91及びD/A変換部92を備える。符号記憶部91は、符号系列を予め記憶し、記憶した符号系列を順次巡回的に読み出して、D/A変換部92に出力する。
11 基準信号生成部
12 送信制御部
13 干渉対策制御部
20 レーダ送信部
21 レーダ送信信号生成部
22 符号生成部
23 変調部
24 LPF
25 送信RF部
26 送信アンテナ
30 レーダ受信部
31 受信アンテナ
32 受信RF部
33 増幅器
34 周波数変換部
35 直交検波部
36 信号処理部
37a、37b A/D変換部
38 干渉検出部
39 干渉判定部
40、81 相関演算部
41、82 加算部
42 ドップラー周波数解析部
43、85 方向推定部
51 周波数成分抽出部
52、72 自乗算出部
61a〜61c シフトレジスタ
62a〜62d 係数乗算器
63 加算器
71 第2の周波数成分抽出部
83 第2加算部
84 角度毎干渉成分検出部
91 符号記憶部
92 D/A変換部
Claims (10)
- 自レーダ装置からのレーダ送信信号の送信が停止された干渉測定区間において、他レーダ装置から送信されたレーダ送信信号を受信する受信部と、
前記受信部によって受信された、前記他レーダ装置からのレーダ送信信号をアナログ信号からデジタル信号に変換するA/D変換部と、
前記デジタル信号である離散サンプルと、所定の係数列との相関演算を行い、前記デジタル信号に含まれる所定の周波数成分を、干渉信号成分として検出する干渉検出部と、
を具備するレーダ装置。 - 前記干渉検出部は、前記所定の係数列を繰り返した係数列を用いて相関演算を行う、
請求項1に記載のレーダ装置。 - 前記干渉測定区間においてレーダ送信信号の送信を停止し、ターゲットまでの距離を測定する測距区間においてレーダ送信信号を送信する送信部をさらに具備する、
請求項1に記載のレーダ装置。 - 前記干渉測定区間と、測距区間とを周期的に切り替える送信制御部をさらに具備する、
請求項3に記載のレーダ装置。 - 前記干渉測定区間において前記検出された干渉信号成分と所定の判定レベルとを比較し、前記干渉信号成分が前記判定レベル以下では、干渉成分なしと判定し、前記干渉信号成分が前記判定レベルの超過では、干渉成分ありと判定する干渉判定部をさらに具備する、
請求項1に記載のレーダ装置。 - 前記干渉測定区間において前記検出された干渉判定結果に基づいて、後続する前記測距区間での干渉対策の制御を行う干渉対策制御部をさらに具備する、
請求項3に記載のレーダ装置。 - 前記干渉対策制御部は、自レーダ装置のキャリア周波数を変更する、
請求項6に記載のレーダ装置。 - 前記干渉対策制御部は、所定の時間間隔にわたり、自レーダ装置のアンテナの指向性を変更する、
請求項6に記載のレーダ装置。 - 前記干渉対策制御部は、所定の時間間隔にわたり、前記測距区間においてレーダ送信信号の符号長を長くする、
請求項6に記載のレーダ装置。 - 前記所定の係数列は、係数列{1、−j、−1、j}(ただし、jは虚数単位)を含む、
請求項1に記載のレーダ装置。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015027526A JP2016151425A (ja) | 2015-02-16 | 2015-02-16 | レーダ装置 |
| CN201511000905.XA CN105891792A (zh) | 2015-02-16 | 2015-12-28 | 雷达装置 |
| CN201811478209.3A CN110031805B (zh) | 2015-02-16 | 2015-12-28 | 雷达装置 |
| US15/004,863 US20160238694A1 (en) | 2015-02-16 | 2016-01-22 | Radar device |
| US16/206,462 US10509103B2 (en) | 2015-02-16 | 2018-11-30 | Radar device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015027526A JP2016151425A (ja) | 2015-02-16 | 2015-02-16 | レーダ装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019000654A Division JP6688977B2 (ja) | 2019-01-07 | 2019-01-07 | レーダ装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2016151425A true JP2016151425A (ja) | 2016-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015027526A Pending JP2016151425A (ja) | 2015-02-16 | 2015-02-16 | レーダ装置 |
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| Country | Link |
|---|---|
| US (2) | US20160238694A1 (ja) |
| JP (1) | JP2016151425A (ja) |
| CN (2) | CN110031805B (ja) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110031805B (zh) | 2023-04-18 |
| US20190101617A1 (en) | 2019-04-04 |
| US20160238694A1 (en) | 2016-08-18 |
| US10509103B2 (en) | 2019-12-17 |
| CN105891792A (zh) | 2016-08-24 |
| CN110031805A (zh) | 2019-07-19 |
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