Low-frequency antenna array phase measuring method and device based on GPS (global positioning system) and phase detecting chips

The invention discloses a low-frequency antenna array phase measuring method and device based on GPS (global positioning system) and phase detecting chips. The method includes: using a time signal in GPS as an initial signal of information source control, controlling a control circuit of each calibr...

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Bibliographic Details
Main Authors HE LESHENG, WANG MIN, DONG LIANG, BAI ZHENGYAO, SHI SHUOBIAO, WANG WEILIAN
Format Patent
LanguageChinese
English
Published 18.09.2013
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:The invention discloses a low-frequency antenna array phase measuring method and device based on GPS (global positioning system) and phase detecting chips. The method includes: using a time signal in GPS as an initial signal of information source control, controlling a control circuit of each calibration signal in an antenna array to configure initial output phase information of each signal output chip, and synchronously authorizing same-time, same-phase and same-frequency output of the calibration signal of each unit antenna in the antenna array to allow multiple calibration signals to become coherent signals. The device comprises a GPS signal receiving circuit, a signal generating and control circuit and a phase difference detecting and comparison circuit. The method and the device are efficient, high in precision and independent of empirical value.
Bibliography:Application Number: CN20131219170