Data-Based Quadrature Imbalance Compensation for a CW Doppler Radar System

Ashutosh Singh,Xiaomeng Gao,Ehsan Yavari,Mari Zakrzewski,Xi Hang Cao,Victor M Lubecke,Olga Boriclubecke

IEEE Transactions on Microwave Theory and Techniques（2013）

引用 108|浏览6

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摘要

A method for quadrature imbalance compensation in direct-conversion quadrature Doppler radar systems, based on data obtained using a mechanical target and an ellipse fit method, is reported. The proposed method can be used with different architectures of Doppler radar and eliminates the need to modify the radar in order to perform imbalance measurements. A mechanical target was used to provide suf...

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关键词

Doppler radar,Signal to noise ratio,Phase measurement,Baseband,Accuracy

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