JP2018503797A - 水平方向にデジタルビーム形成を行ないオフセットされた送信器の位相を比較することにより垂直方向の物体測定を行なう撮像レーダセンサ - Google Patents
水平方向にデジタルビーム形成を行ないオフセットされた送信器の位相を比較することにより垂直方向の物体測定を行なう撮像レーダセンサ Download PDFInfo
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- 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
- 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
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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
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/424—Stacked beam 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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/4445—Monopulse radar, i.e. simultaneous lobing amplitude comparisons monopulse, i.e. comparing the echo signals received by an antenna arrangement with overlapping squinted beams
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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
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/4454—Monopulse radar, i.e. simultaneous lobing phase comparisons monopulse, i.e. comparing the echo signals received by an interferometric antenna arrangement
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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
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/536—Discriminating between fixed and moving objects or between objects moving at different speeds using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves
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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
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
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- 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
- H01Q1/32—Adaptation for use in or on road or rail vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/206—Microstrip transmission line antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/065—Patch antenna array
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns
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- 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
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
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- 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
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
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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
- G01S13/933—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
- G01S13/935—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft for terrain-avoidance
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Abstract
Description
ここで、ldoppは、フィルタ番号であり、δfdはドップラフィルタの帯域幅であり、ΔTは、左側の送信器と右側の送信器の起動タイミングのずれである。
Claims (14)
- 三次元空間における物体の位置を特定する装置であって、
位相中心の垂直方向位置が異なる複数のアンテナが複数のアンテナ列をなすように配列された少なくとも二つのスイッチャブル送信アンテナと、
水平方向に連なるように配列された複数の受信アンテナと、
を備えており、
前記少なくとも二つの送信アンテナは、前記複数の受信アンテナのうちの二つの間の水平方向距離に対応する距離を水平方向にあけて配列されている、
装置。 - 前記少なくとも二つの送信アンテナによって時間的に連続して送信され前記物体により反射された一連の信号を受信し、
受信した前記信号をデジタル化し、
デジタル化された前記信号を、デジタルビーム形成法によって連結して複数のアンテナビームの束を形成し、
前記物体に対してアライメントされた前記位相中心の垂直方向位置が異なる前記複数のアンテナビームの位相を、同じ距離および速度の値と比較し、
前記物体の位置を表示する、
ことが可能であるレーダセンサである、
請求項1に記載の装置。 - 前記レーダセンサは、観測する角度範囲内におけるより高い水平方向角度分解能を得るために、隣接するアンテナビームの振幅を評価することが可能である、
請求項2に記載の装置。 - 前記レーダセンサは、より高い水平方向分解能を得るために、隣接する二つのアンテナビームの和と差を評価することが可能である、
請求項2または3に記載の装置。 - 前記少なくとも二つの送信アンテナは、同一の構成を有している、
請求項1から4のいずれか一項に記載の装置。 - 前記受信アンテナは、互いに平行に配列された複数のアンテナラインである、
請求項1から5のいずれか一項に記載の装置。 - 前記送信アンテナのアンテナラインと前記受信アンテナのアンテナラインは、互いに平行に配列されている、
請求項6に記載の装置。 - 前記少なくとも二つの送信アンテナの位相中心は、出射信号の自由空間波長の半分以下である距離だけ垂直方向にオフセットしている、
請求項1に記載の装置。 - 複数のアンテナダイアグラムを示し、量と位相を評価する表示装置によって、前記物体の位置が表示可能である、
請求項1に記載の装置。 - 請求項1から9のいずれか一項に記載の三次元空間における物体の位置を特定する装置を用いている、
レーダシステム。 - 物体、特に移動している物体の位置を特定する方法であって、
位相中心の垂直方向位置が異なる複数のアンテナ列をなすように配列された少なくとも二つの送信アンテナによって送信され、前記物体によって反射された時間的に連続している一連の信号を、水平方向に配列された複数の受信アンテナで受信し、
受信された前記信号をデジタル化し、
デジタル化された前記信号を、デジタルビーム形成法によって連結して複数のアンテナビームの束を形成し、
二次元FFTによって速度補正を行なうとともに、二つの送信間の時間的なずれを測定し、
前記物体に対してアライメントされた前記位相中心の垂直方向位置が異なる前記複数のアンテナビームの位相を、同じ距離および速度の値と比較し、
前記物体の位置を表示し、
前記少なくとも二つの送信アンテナは、前記複数の受信アンテナのうちの二つの間の水平方向距離に対応する距離を水平方向にあけて配列されている、
方法。 - 観測する角度範囲内におけるより高い水平方向角度分解能を得るために、隣接するアンテナビームの振幅が評価される、
請求項11に記載の方法。 - より高い水平方向分解能を得るために、隣接する二つの前記アンテナビームの和と差が評価される、
請求項11に記載の方法。 - 前記少なくとも二つの送信アンテナの位相中心は、出射信号の自由空間波長の半分以下である距離だけ垂直方向にオフセットしている、
請求項11に記載の方法。
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DE102014014864.5 | 2014-10-06 | ||
DE102014014864.5A DE102014014864A1 (de) | 2014-10-06 | 2014-10-06 | Abbildender Radarsensor mit horizontaler digitaler Strahlformung und vertikaler Objektvermessung durch Phasenvergleich bei zueinander versetzten Sendern |
PCT/EP2015/073018 WO2016055455A1 (de) | 2014-10-06 | 2015-10-06 | Abbildender radarsensor mit horizontaler digitaler strahlformung und vertikaler objektvermessung durch phasenvergleich bei zueinander versetzten sendern |
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EP (1) | EP3204788B1 (ja) |
JP (1) | JP6920198B2 (ja) |
KR (1) | KR101957617B1 (ja) |
CN (1) | CN107209253A (ja) |
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KR20170049574A (ko) | 2017-05-10 |
CN107209253A (zh) | 2017-09-26 |
WO2016055455A1 (de) | 2016-04-14 |
EP3204788A1 (de) | 2017-08-16 |
KR101957617B1 (ko) | 2019-03-12 |
US10871562B2 (en) | 2020-12-22 |
US20170293028A1 (en) | 2017-10-12 |
JP6920198B2 (ja) | 2021-08-18 |
DE102014014864A1 (de) | 2016-04-07 |
EP3204788B1 (de) | 2022-03-30 |
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