JP5719152B2 - 単一アンテナfm/cw船用レーダ - Google Patents
単一アンテナfm/cw船用レーダ Download PDFInfo
- Publication number
- JP5719152B2 JP5719152B2 JP2010259912A JP2010259912A JP5719152B2 JP 5719152 B2 JP5719152 B2 JP 5719152B2 JP 2010259912 A JP2010259912 A JP 2010259912A JP 2010259912 A JP2010259912 A JP 2010259912A JP 5719152 B2 JP5719152 B2 JP 5719152B2
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- Prior art keywords
- antenna
- transceiver
- transmitter
- signal
- radome
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- G01S13/345—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 triangular 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/937—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of marine craft
-
- 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
- G01S7/032—Constructional details for solid-state radar subsystems
-
- 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
- G01S7/038—Feedthrough nulling circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/34—Adaptation for use in or on ships, submarines, buoys or torpedoes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0037—Particular feeding systems linear waveguide fed arrays
- H01Q21/0043—Slotted waveguides
- H01Q21/005—Slotted waveguides arrays
-
- 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
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Ocean & Marine Engineering (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
・非常に低い位相雑音の送信機
・優れた線形周波数変調
・送信機および受信機と単一アンテナとの直接統合
− アンテナ反射到着と局部発振器到着との間の整合遅延
・非常に低い電圧定在波比(VSWR)のアンテナ
・RF回路の優れた処理実行
− 回路中の非常に低いVSWR
− 送信機から受信機への非常に低い結合
という特徴を提供する。
[0006]本発明の好ましい実施形態および代替実施形態が以下の図面を参照しながら以下で詳細に説明される。
[0017]一実施形態では、図2に示されるように、システム20−1は、導波管回転継手26−1、単一スロット導波管アンテナ32、およびモーターケース/取付け基部30−1の内部に設置される送信機および受信機(送受信機)34を含む。送受信機34はFM/CWレーダ(図示せず)を含む。一実施形態では、スロット導波管アンテナ32は導波管延長部(図示せず)によって導波管回転継手26−1の出力部に接続される。回転継手26−1は、回転のすべての角度にわたって1.2:1未満の安定したVSWRであるように設計される。
[0022]送受信機は−120dBm未満の受信機感度および10KHz未満の受信機帯域幅を有する。送信機出力は約0.1ワット連続である。デジタル合成線形周波数変調が行われる。送受信機の別の特性は、100KHzオフセットで−100dBc/Hz未満である送信機位相雑音レベルである。
[0025]独占権または特権が請求される本発明の実施形態は特許請求の範囲で規定される。
20−1 システム
24 アンテナレードーム
26、26−1 導波管回転継手
30、30−1 基部
32 単一スロット導波管アンテナ
32−1 スロット導波管アンテナ
34 送受信機
48 回路基板、送受信機
50 マイクロストリップ−導波管変換器
52 アンテナレードーム
54 ボックス、シャーシ/ボックス
80 送信機、受信機、およびDSP構成要素
Claims (3)
- 単一スロット導波管アンテナ(32、32−1)と、
前記アンテナと信号通信する、ポートを3つだけ備えたサーキュレータと、
前記アンテナと信号通信する送受信機(34)であって、
送信機と、
前記サーキュレータの出力部に直接接続された受信機ミキサと、
送信機信号のサンプルを使用して局部発振器信号を供給するように構成された構成要素と、
前記局部発振器信号の到着時を漏洩または反射電力信号の少なくとも一方に関連した信号の到着時と一致させ、それによって前記受信機ミキサで位相雑音キャンセルを行うように構成された構成要素と、を含む送受信機(34)と、
を含み、
前記送受信機は100KHzのオフセットで−100dBc/Hz未満の位相雑音を有し、
前記アンテナは動作周波数帯域にわたって1.2:1未満の電圧定在波比(VSWR)を有し、
前記送信機は0.1ワットの出力を有する、
レーダシステム(20)。 - 前記送受信機、電源、およびデジタル信号プロセッサ(DSP)を収容するように構成された基部(30、30−1)と、
前記アンテナを収容するように構成されたアンテナレードーム(24)と、
前記送受信機と前記アンテナとの間に結合され、マイクロ波エネルギーを送出するように構成されている導波管回転継手(26−1)と、をさらに含む、
請求項1に記載のシステム。 - デジタル信号プロセッサ(DSP)を収容するように構成された基部(30)と、
前記アンテナ、前記サーキュレータ、および前記送受信機を収容するように構成されたレードーム(52)と、
前記基部と前記レードームとの間に結合され、前記デジタル信号プロセッサ(DSP)と前記送受信機との間にデータ接続および電力接続を行うように構成される、電力およびデータの回転継手と、
をさらに含む、
請求項1に記載のシステム。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26374409P | 2009-11-23 | 2009-11-23 | |
US61/263,744 | 2009-11-23 | ||
US12/751,781 | 2010-03-31 | ||
US12/751,781 US8330651B2 (en) | 2009-11-23 | 2010-03-31 | Single-antenna FM/CW marine radar |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011112648A JP2011112648A (ja) | 2011-06-09 |
JP2011112648A5 JP2011112648A5 (ja) | 2014-01-09 |
JP5719152B2 true JP5719152B2 (ja) | 2015-05-13 |
Family
ID=43602803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010259912A Expired - Fee Related JP5719152B2 (ja) | 2009-11-23 | 2010-11-22 | 単一アンテナfm/cw船用レーダ |
Country Status (3)
Country | Link |
---|---|
US (1) | US8330651B2 (ja) |
EP (1) | EP2325671A3 (ja) |
JP (1) | JP5719152B2 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8330651B2 (en) * | 2009-11-23 | 2012-12-11 | Honeywell International Inc. | Single-antenna FM/CW marine radar |
US20120242536A1 (en) * | 2011-03-25 | 2012-09-27 | Raytheon Company | Doppler radar system having a high phase noise transmitter |
US9081094B2 (en) * | 2012-02-22 | 2015-07-14 | Honeywell International Inc. | Aircraft radar altimeter structure |
US8866667B2 (en) * | 2012-02-22 | 2014-10-21 | Honeywell International Inc. | High sensitivity single antenna FMCW radar |
JP6002474B2 (ja) * | 2012-06-29 | 2016-10-05 | 古野電気株式会社 | レーダアンテナ装置 |
US9297885B2 (en) * | 2012-07-27 | 2016-03-29 | Honeywell International Inc. | Method of system compensation to reduce the effects of self interference in frequency modulated continuous wave altimeter systems |
JP6061646B2 (ja) * | 2012-11-27 | 2017-01-18 | 古野電気株式会社 | レーダアンテナ |
JP5995365B2 (ja) * | 2012-12-06 | 2016-09-21 | 古野電気株式会社 | レーダアンテナ加熱装置及びレーダアンテナ |
US9660605B2 (en) | 2014-06-12 | 2017-05-23 | Honeywell International Inc. | Variable delay line using variable capacitors in a maximally flat time delay filter |
US10018716B2 (en) | 2014-06-26 | 2018-07-10 | Honeywell International Inc. | Systems and methods for calibration and optimization of frequency modulated continuous wave radar altimeters using adjustable self-interference cancellation |
GB201501513D0 (en) * | 2015-01-29 | 2015-03-18 | Agd Systems Ltd | Portable traffic light control system and portable traffice light signal |
JP6808275B2 (ja) * | 2016-11-22 | 2021-01-06 | 日本無線株式会社 | レーダアンテナ |
JP6808274B2 (ja) * | 2016-11-22 | 2021-01-06 | 日本無線株式会社 | レーダアンテナ用フレアおよびレーダアンテナ |
US10830873B2 (en) | 2017-01-06 | 2020-11-10 | Honeywell International Inc. | Synthesizer for radar sensing |
US10177820B1 (en) | 2017-11-17 | 2019-01-08 | Uber Technologies, Inc. | Rotary data coupler |
US11009597B2 (en) * | 2018-12-17 | 2021-05-18 | Xilinx, Inc. | Phase noise compensation in digital beamforming radar systems |
US20230216528A1 (en) * | 2021-12-30 | 2023-07-06 | Texas Instruments Incorporated | Intermediate frequency amplifier with a configurable high-pass filter |
Family Cites Families (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2002012A1 (de) * | 1969-01-21 | 1970-08-13 | Del Signore Dr Giovanni | Vorrichtung und Verfahren zum Melden von Hindernissen und zur Anzeige der Entfernung der Hindernisse |
US3778827A (en) * | 1972-01-27 | 1973-12-11 | Sperry Rand Corp | Short range monopulse marine search radar for small object detection |
US3806922A (en) * | 1972-06-26 | 1974-04-23 | Sperry Rand Corp | Marine radio interrogator-transponder target detection, identification, and range measurement system |
GB1569601A (en) * | 1976-05-18 | 1980-06-18 | Decca Ltd | Pulse radar apparatus |
GB1570279A (en) * | 1976-11-15 | 1980-06-25 | Decca Ltd | Pulse radar apparatus |
GB2077514A (en) * | 1981-06-04 | 1981-12-16 | Decca Ltd | Microwave frequency rotating joint |
GB2147473B (en) | 1983-09-30 | 1987-04-29 | Philips Electronic Associated | Noise reduction in cw radar systems |
GB2158650B (en) * | 1984-03-14 | 1987-12-23 | Tokyo Keiki Kk | Slotted waveguide antenna assembly |
JPS60261204A (ja) * | 1984-06-08 | 1985-12-24 | Tokyo Keiki Co Ltd | スロツト・アレイ・アンテナ装置 |
JPS6112103A (ja) * | 1984-06-27 | 1986-01-20 | Koden Electronics Co Ltd | スロツト・アレイ・アンテナの製造方法 |
JPS63227204A (ja) * | 1987-03-17 | 1988-09-21 | Tokyo Keiki Co Ltd | スロツト・アレイ・アンテナ |
US4841261A (en) * | 1987-09-01 | 1989-06-20 | Augustin Eugene P | Microwave rotary junction with external rotary energy coupling |
JP2923930B2 (ja) * | 1992-01-31 | 1999-07-26 | アイコム株式会社 | レーダアンテナ装置 |
US5701127A (en) * | 1993-02-23 | 1997-12-23 | Texas Instruments Incorporated | Automatic vehicle identification system capable of vehicle lane discrimination |
US5612702A (en) * | 1994-04-05 | 1997-03-18 | Sensis Corporation | Dual-plane monopulse antenna |
GB9407845D0 (en) * | 1994-04-20 | 1994-06-15 | Racal Decca Marine Ltd | An antenna |
US5701595A (en) * | 1995-05-04 | 1997-12-23 | Nippondenso Co., Ltd. | Half duplex RF transceiver having low transmit path signal loss |
RU2127012C1 (ru) * | 1997-06-20 | 1999-02-27 | Виноградов Лев Георгиевич | Антенный пост судовой радиолокационной станции |
JP3929080B2 (ja) * | 1997-10-16 | 2007-06-13 | オートモーティブ システムズ ラボラトリー インコーポレーテッド | レーダシステム |
US6577269B2 (en) * | 2000-08-16 | 2003-06-10 | Raytheon Company | Radar detection method and apparatus |
US6642908B2 (en) * | 2000-08-16 | 2003-11-04 | Raytheon Company | Switched beam antenna architecture |
JP3893880B2 (ja) * | 2001-02-13 | 2007-03-14 | 株式会社デンソー | パッシブ方式用路上機側送受信器 |
JP2003124942A (ja) * | 2001-10-18 | 2003-04-25 | Communication Research Laboratory | 非対称無線通信システム |
GB0127772D0 (en) * | 2001-11-20 | 2002-01-09 | Smiths Group Plc | Antennas |
US6707414B2 (en) * | 2002-01-22 | 2004-03-16 | Raytheon Company | Docking information system for boats |
JP2003270334A (ja) * | 2002-03-13 | 2003-09-25 | Mitsubishi Electric Corp | 車載用レーダー装置 |
GB0212076D0 (en) * | 2002-05-25 | 2002-07-03 | Univ Birmingham | Radar transponder |
JP2004274163A (ja) * | 2003-03-05 | 2004-09-30 | Murata Mfg Co Ltd | ロータリージョイントおよびレーダ装置 |
US7602333B2 (en) * | 2004-02-26 | 2009-10-13 | Kyocera Corporation | Transmitting/receiving antenna, isolator, high-frequency oscillator, and high-frequency transmitter-receiver using the same |
US7239266B2 (en) * | 2004-08-26 | 2007-07-03 | Honeywell International Inc. | Radar altimeter |
GB0421520D0 (en) * | 2004-09-28 | 2004-10-27 | Qinetiq Ltd | Frequency modulated continuous wave (FMCW) radar having improved frquency sweep linearity |
JP2007081856A (ja) * | 2005-09-14 | 2007-03-29 | Japan Radio Co Ltd | レーダ空中線 |
EP2009731B1 (en) * | 2006-03-31 | 2014-01-01 | Kyocera Corporation | Dielectric waveguide device, phase shifter, high frequency switch, and attenuator provided with dielectric waveguide device, high frequency transmitter, high frequency receiver, high frequency transceiver, radar device, array antenna, and method of manufacturing dielectric waveguide device |
US7352929B2 (en) * | 2006-06-30 | 2008-04-01 | Rockwell Collins, Inc. | Rotary joint for data and power transfer |
US7864103B2 (en) * | 2007-04-27 | 2011-01-04 | Accipiter Radar Technologies, Inc. | Device and method for 3D height-finding avian radar |
WO2008152852A1 (ja) * | 2007-06-14 | 2008-12-18 | Kyocera Corporation | 直流阻止回路、ハイブリッド回路装置、送信器、受信器、送受信器およびレーダ装置 |
JP2009005086A (ja) * | 2007-06-21 | 2009-01-08 | Mitsubishi Electric Corp | テーパスロットアンテナおよびアンテナ装置 |
US8351874B2 (en) * | 2008-04-08 | 2013-01-08 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for adaptive antenna impedance matching |
US20100265121A1 (en) * | 2008-09-02 | 2010-10-21 | Preco Electronics, Inc. | Short Distance Range Resolution in Pulsed Radar |
US7737880B2 (en) * | 2008-10-22 | 2010-06-15 | Honeywell International Inc. | Microwave and millimeterwave radar sensors |
US8593369B2 (en) * | 2008-11-12 | 2013-11-26 | Navico Holding As | Antenna assembly |
US8330651B2 (en) * | 2009-11-23 | 2012-12-11 | Honeywell International Inc. | Single-antenna FM/CW marine radar |
-
2010
- 2010-03-31 US US12/751,781 patent/US8330651B2/en active Active
- 2010-10-08 EP EP10187037A patent/EP2325671A3/en not_active Ceased
- 2010-11-22 JP JP2010259912A patent/JP5719152B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2325671A3 (en) | 2012-01-04 |
JP2011112648A (ja) | 2011-06-09 |
US8330651B2 (en) | 2012-12-11 |
EP2325671A2 (en) | 2011-05-25 |
US20110122017A1 (en) | 2011-05-26 |
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