JP5789081B2 - マイクロ波およびミリメートル波レーダセンサ - Google Patents
マイクロ波およびミリメートル波レーダセンサ Download PDFInfo
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- JP5789081B2 JP5789081B2 JP2009242514A JP2009242514A JP5789081B2 JP 5789081 B2 JP5789081 B2 JP 5789081B2 JP 2009242514 A JP2009242514 A JP 2009242514A JP 2009242514 A JP2009242514 A JP 2009242514A JP 5789081 B2 JP5789081 B2 JP 5789081B2
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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
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
-
- 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
- G01S7/023—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
- G01S7/0236—Avoidance by space 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
- G01S7/35—Details of non-pulse systems
-
- 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
- G01S2013/9321—Velocity regulation, e.g. cruise control
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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)
Description
22 マスタ信号処理装置
24、24−1、24−2 レーダ構成要素
40 MMW電圧制御発振器(VCO)
42 誘電体共振器型発振器(DRO)
48 ミキサ
50 位相ロックループ(PLL)チップ
52 ダイレクト・デジタル・シンセサイザ(DDS)
54 クロック
Claims (3)
- 乗り物に配置されたレーダシステムであって、
中央処理装置(22)と、
前記乗り物の周りの様々な点に配置され、前記中央処理装置と通信する複数のセンサ送受信器(24)と
を備え、前記複数のセンサ送受信器は、
少なくとも1つのアンテナと、
前記少なくとも1つのアンテナおよび前記中央処理装置と通信する受信電子回路と、
前記少なくとも1つのアンテナと通信し、前記少なくとも1つのアンテナを通じてレーダ信号を出力するように構成された送信電子回路と
を備え、前記送信電子回路は、
電圧制御発振器(VCO)(40)と、
誘電体共振器型発振器(DRO)(42)と、
位相ロックループ(PLL)構成要素(50)と、
ダイレクト・デジタル・シンセサイザ(DDS)(52)と
前記DROによって生成される信号を、前記VCOによって生成される信号と組み合わせるように構成されたミキサ(48)と、
前記ミキサの出力を分周し、前記PLL構成要素への入力信号を生成するように構成された構成要素と、
前記入力信号をフィルタリングして前記PLL構成要素(50)に出力するように構成されたローパスフィルタと、
を備え、前記DDSは前記PLL構成要素のための基準信号を生成し、前記PLL構成要素は前記VCOのための制御信号を発生するように構成され、前記受信電子回路は、前記出力されたレーダ信号に対応するあらゆるレーダ反射を前記少なくとも1つのアンテナから受け取り、前記レーダ反射に関連する信号を前記処理装置に送るように構成され、
前記中央処理装置は、前記複数のセンサ送受信器から受け取った信号に基づいて出力信号を発生して前記複数のセンサ送受信器を連携するように構成され、前記複数のセンサ送受信器を同期させて特定のオフセット周波数をもたせる、システム。 - 請求項1に記載のシステムにおいて、前記送信電子回路は前記DDSへの入力を発生するように構成されたクロックをさらに備え、前記中央処理装置は、データを収集して前記乗り物の周囲の情報を発生するためにセンサ送受信器からセンサ送受信器に掃引を行い、予め規定されたプロトコルまたは手動の要求の1つに基づいて前記センサ送受信器の1つに留まり、または予め規定されたプロトコルまたは手動の要求の1つに基づいて前記センサ送受信器の間をジャンプするように構成される、システム。
- 複数のセンサ送受信器において、少なくとも1つのアンテナを介してレーダ信号を送信する、送信工程であって、前記送信工程は、
誘電体共振器型発振器(DRO)によって生成される信号を、電圧制御発振器(VCO)によって生成される信号と混合し、
混合された前記信号の出力を分周して位相ロックループ(PLL)構成要素への入力信号を生成し、
前記入力信号の高周波数成分を遮断し、残りの低周波数成分を前記PLL構成要素に適用し、
ダイレクト・デジタル・シンセサイザ(DDS)により生成された基準信号を前記PLL構成要素に適用する、各工程を備え、
前記PLL構成要素は前記VCOのための制御信号を発生するように構成される、前記送信工程と、
前記少なくとも1つのアンテナから、送信された前記レーダ信号に対応するレーダ反射を受け取る、レーダ反射受け取り工程と、
受け取られた前記レーダ反射に関連する信号を中央処理装置に送る、信号送出工程と、
前記中央処理装置によって、前記受け取られたレーダ反射に関連する前記信号に基づいて出力信号を発生する、出力信号発生工程と、
前記中央処理装置によって前記複数のセンサ送受信器を連携し、前記複数のセンサ送受信器を同期させて特定のオフセット周波数をもたせる、センサ送受信器連携工程と、
を備える方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/256,392 US7737880B2 (en) | 2008-10-22 | 2008-10-22 | Microwave and millimeterwave radar sensors |
US12/256,392 | 2008-10-22 |
Publications (2)
Publication Number | Publication Date |
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JP2010101890A JP2010101890A (ja) | 2010-05-06 |
JP5789081B2 true JP5789081B2 (ja) | 2015-10-07 |
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Application Number | Title | Priority Date | Filing Date |
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JP2009242514A Active JP5789081B2 (ja) | 2008-10-22 | 2009-10-21 | マイクロ波およびミリメートル波レーダセンサ |
Country Status (3)
Country | Link |
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US (1) | US7737880B2 (ja) |
EP (1) | EP2180336B1 (ja) |
JP (1) | JP5789081B2 (ja) |
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JP6467140B2 (ja) | 2013-05-30 | 2019-02-06 | ダイセルポリマー株式会社 | ミリ波の遮蔽性能を有している成形体用の熱可塑性樹脂組成物 |
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2009
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- 2009-10-21 JP JP2009242514A patent/JP5789081B2/ja active Active
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EP2180336A3 (en) | 2012-08-15 |
EP2180336A2 (en) | 2010-04-28 |
US7737880B2 (en) | 2010-06-15 |
EP2180336B1 (en) | 2015-04-01 |
US20100097263A1 (en) | 2010-04-22 |
JP2010101890A (ja) | 2010-05-06 |
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