AZIMUTH DETECTION DEVICE AND AZIMUTH DETECTION METHOD

An azimuth detection device (100) comprises: a signal reception unit (107) that includes an antenna array in which a plurality of antennas (101) are disposed at unequal intervals, and that receives incoming signals with the antenna array; and a signal processing circuit (110) that, if a plurality of...

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Main Authors TSUJITA Wataru, NAGANO Takafumi
Format Patent
LanguageEnglish
French
Japanese
Published 05.10.2023
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Abstract An azimuth detection device (100) comprises: a signal reception unit (107) that includes an antenna array in which a plurality of antennas (101) are disposed at unequal intervals, and that receives incoming signals with the antenna array; and a signal processing circuit (110) that, if a plurality of incoming signals are included in each of one or more predetermined bands from the incoming signals, separates the incoming signals, calculates, in a specific frequency, an inter-antenna phase difference which is a phase difference between the plurality of antennas (101) from a frequency component of each incoming signal, and estimates an incoming azimuth of each incoming signal from the inter-antenna phase difference. L'invention concerne un dispositif (100) de détection d'azimut comportant: une unité (107) de réception de signaux qui comprend un réseau d'antennes dans lequel une pluralité d'antennes (101) est disposée à intervalles inégaux, et qui reçoit des signaux entrants à l'aide du réseau d'antennes; et un circuit (110) de traitement de signaux qui, si une pluralité de signaux entrants est comprise dans chaque bande d'une ou plusieurs bandes prédéterminées à partir des signaux entrants, sépare les signaux entrants, calcule, dans une fréquence spécifique, une différence de phase inter-antennes qui est une différence de phase entre la pluralité d'antennes (101) à partir d'une composante de fréquence de chaque signal entrant, et estime un azimut d'arrivée de chaque signal entrant à partir de la différence de phase inter-antennes. 方位探知装置(100)は、複数のアンテナ(101)を不等間隔に配置したアンテナアレイを備え、そのアンテナアレイで到来信号を受信する信号受信部(107)と、その到来信号から、予め定められた一以上の帯域毎に複数の到来信号が含まれていれば分離し、その到来信号毎の周波数成分から、複数のアンテナ(101)間の位相差であるアンテナ間位相差を、特定の周波数において算出し、そのアンテナ間位相差から、到来信号毎の到来方位を推定する信号処理回路(110)とを備える。
AbstractList An azimuth detection device (100) comprises: a signal reception unit (107) that includes an antenna array in which a plurality of antennas (101) are disposed at unequal intervals, and that receives incoming signals with the antenna array; and a signal processing circuit (110) that, if a plurality of incoming signals are included in each of one or more predetermined bands from the incoming signals, separates the incoming signals, calculates, in a specific frequency, an inter-antenna phase difference which is a phase difference between the plurality of antennas (101) from a frequency component of each incoming signal, and estimates an incoming azimuth of each incoming signal from the inter-antenna phase difference. L'invention concerne un dispositif (100) de détection d'azimut comportant: une unité (107) de réception de signaux qui comprend un réseau d'antennes dans lequel une pluralité d'antennes (101) est disposée à intervalles inégaux, et qui reçoit des signaux entrants à l'aide du réseau d'antennes; et un circuit (110) de traitement de signaux qui, si une pluralité de signaux entrants est comprise dans chaque bande d'une ou plusieurs bandes prédéterminées à partir des signaux entrants, sépare les signaux entrants, calcule, dans une fréquence spécifique, une différence de phase inter-antennes qui est une différence de phase entre la pluralité d'antennes (101) à partir d'une composante de fréquence de chaque signal entrant, et estime un azimut d'arrivée de chaque signal entrant à partir de la différence de phase inter-antennes. 方位探知装置(100)は、複数のアンテナ(101)を不等間隔に配置したアンテナアレイを備え、そのアンテナアレイで到来信号を受信する信号受信部(107)と、その到来信号から、予め定められた一以上の帯域毎に複数の到来信号が含まれていれば分離し、その到来信号毎の周波数成分から、複数のアンテナ(101)間の位相差であるアンテナ間位相差を、特定の周波数において算出し、そのアンテナ間位相差から、到来信号毎の到来方位を推定する信号処理回路(110)とを備える。
Author TSUJITA Wataru
NAGANO Takafumi
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DocumentTitleAlternate 方位探知装置及び方位探知方法
DISPOSITIF DE DÉTECTION D'AZIMUT ET PROCÉDÉ DE DÉTECTION D'AZIMUT
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Snippet An azimuth detection device (100) comprises: a signal reception unit (107) that includes an antenna array in which a plurality of antennas (101) are disposed...
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SubjectTerms ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
Title AZIMUTH DETECTION DEVICE AND AZIMUTH DETECTION METHOD
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