JP2013510295A - デジタル制御されたuwbミリメートル波レーダー - Google Patents
デジタル制御されたuwbミリメートル波レーダー Download PDFInfo
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- JP2013510295A JP2013510295A JP2012536932A JP2012536932A JP2013510295A JP 2013510295 A JP2013510295 A JP 2013510295A JP 2012536932 A JP2012536932 A JP 2012536932A JP 2012536932 A JP2012536932 A JP 2012536932A JP 2013510295 A JP2013510295 A JP 2013510295A
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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
- 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
- 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
- G01S13/0209—Systems with very large relative bandwidth, i.e. larger than 10 %, e.g. baseband, pulse, carrier-free, ultrawideband
-
- 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
- G01S13/36—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and 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
- 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
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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)
- Radar Systems Or Details Thereof (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
実施例
[00036]本発明の実施形態が、以下の特定の実施例によりさらに説明されるが、これらの実施例は、本発明の実施形態の範囲または内容をいかなる形でも制限するように解釈されるべきではない。
Claims (12)
- 制御入力(106)、ギガヘルツ(GHz)信号出力(107)、および複数の周波数制御された信号を提供する周波数制御された出力(108)を有する信号源(105)と、
前記GHz信号出力と前記制御入力との間に結合された制御ループ(146)であって、
(i)周波数分割された信号を生成するために、前記GHz信号出力に結合された周波数分割器(110)、ならびに
(ii)前記周波数分割器の出力に結合された第1の入力(116)、デジタル制御信号を受信するための第2の入力(117)、基準周波数信号を受信するための第3の入力(118)、および、前記信号源の前記制御入力に結合されたロックされた出力(119)であって、前記デジタル制御信号によって周波数掃引された、または周波数ホップされた周波数ロックされた出力信号を提供するロックされた出力(119)を有する位相ロックループ(PLL)(115)
を含む制御ループ(146)と、
前記デジタル制御信号を前記PLLの前記第2の入力に提供するための制御ユニット(130)と、
前記信号源の前記周波数制御された出力に結合された周波数乗算器(127)であって、複数のミリ波周波数を出力する周波数乗算器と、
前記複数のミリ波周波数を、応答信号を送られることになる表面(151)に送信するための、かつ前記表面から反射信号を受信するための少なくとも1つのアンテナ(134)と、
前記表面からの前記反射ミリ波信号と前記複数のミリ波周波数とを混合するための混合器(140)であって、混合出力を提供する混合器と、
前記混合出力から、前記表面に関連した少なくとも1つのパラメータを判定するために、前記混合器の出力に結合された信号処理回路(165)と
を含む超広帯域(UWB)ミリメートル(ミリ)波レーダーシステム(100)。 - 前記制御ループ(146)が、前記PLL出力(119)と前記信号源の前記制御入力(106)との間に接続された第1の増幅器(125)であって、増幅されたPLL出力信号を生成するために前記周波数ロックされた出力信号を増幅するための第1の増幅器をさらに含む請求項1に記載のシステム。
- 前記PLL(115)と前記第1の増幅器との間に結合されたローパスフィルタ(120)をさらに含む請求項2に記載のシステム。
- 前記信号源(105)が電圧制御発振器(VCO)を含む請求項1に記載のシステム。
- 前記周波数分割器(110)がプリスケーラを含む請求項1に記載のシステム。
- 前記PLLの前記第3の入力(118)に結合されており、前記基準周波数信号を前記PLLに提供する基準周波数源(122)であって、水晶発振器、または内部のPLLロックされたクロックに一体化された発振器を含む基準周波数源をさらに含む請求項1に記載のシステム。
- 前記混合器(140)と前記信号処理回路(165)との間に結合されたローパスフィルタ(149)であって、前記複数のミリ波周波数と、前記反射ミリ波信号のうちの対応する1つとの間の差信号を、選択的に通すローパスフィルタをさらに含む請求項1に記載のシステム。
- 対象の表面までのレベルまたは距離を判定するための周波数変調UWBミリメートル波レーダー方法であって、
複数の離散した、ステップされたまたはホップされた周波数ミリ波レーダー信号を前記対象の前記表面に送信するステップであって、前記複数のステップされたまたはホップされた周波数ミリ波レーダー信号の帯域幅が>2GHzである、送信するステップと、
時間シーケンスにおいて前記表面から反射された、反射ミリ波レーダー信号を受信するステップと、
前記複数の離散した、ステップされたまたはホップされた周波数ミリ波レーダー信号、および前記反射ミリ波レーダー信号のうちのその対応する1つに基づいて、前記レベルまたは距離を判定するステップと
を含む方法。 - 前記帯域幅が≧4.0GHzである請求項8に記載の方法。
- デジタル制御されたPLLが、前記帯域幅にわたって周波数掃引を制御する請求項8に記載の方法。
- 前記判定するステップが、前記複数の離散した、ステップされたまたはホップされた周波数ミリ波レーダー信号と、前記反射ミリ波レーダー信号のうちのその対応する1つとの間の周波数の差に基づく請求項8に記載の方法。
- タンクまたは容器の中の液体について、前記レベルを判定するステップを含む請求項8に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/613,346 | 2009-11-05 | ||
US12/613,346 US8098193B2 (en) | 2009-11-05 | 2009-11-05 | Digitally controlled UWB millimeter wave radar |
PCT/US2010/054010 WO2011056526A2 (en) | 2009-11-05 | 2010-10-26 | Digitally controlled uwb millimeter wave radar |
Publications (2)
Publication Number | Publication Date |
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JP2013510295A true JP2013510295A (ja) | 2013-03-21 |
JP5684822B2 JP5684822B2 (ja) | 2015-03-18 |
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JP2012536932A Expired - Fee Related JP5684822B2 (ja) | 2009-11-05 | 2010-10-26 | デジタル制御されたuwbミリメートル波レーダー |
Country Status (5)
Country | Link |
---|---|
US (1) | US8098193B2 (ja) |
EP (1) | EP2496957B1 (ja) |
JP (1) | JP5684822B2 (ja) |
CN (1) | CN102667520B (ja) |
WO (1) | WO2011056526A2 (ja) |
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2009
- 2009-11-05 US US12/613,346 patent/US8098193B2/en active Active
-
2010
- 2010-10-26 EP EP10828840.8A patent/EP2496957B1/en active Active
- 2010-10-26 CN CN201080060583.7A patent/CN102667520B/zh active Active
- 2010-10-26 WO PCT/US2010/054010 patent/WO2011056526A2/en active Application Filing
- 2010-10-26 JP JP2012536932A patent/JP5684822B2/ja not_active Expired - Fee Related
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Publication number | Publication date |
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EP2496957A4 (en) | 2015-04-15 |
WO2011056526A3 (en) | 2011-08-04 |
US8098193B2 (en) | 2012-01-17 |
CN102667520A (zh) | 2012-09-12 |
EP2496957A2 (en) | 2012-09-12 |
JP5684822B2 (ja) | 2015-03-18 |
EP2496957B1 (en) | 2016-04-13 |
WO2011056526A2 (en) | 2011-05-12 |
CN102667520B (zh) | 2015-01-14 |
US20110102243A1 (en) | 2011-05-05 |
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