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本文在介绍 FFT 干涉仪测向系统基本原理的基础上,阐述了 FFT测向系统的主要特点,带通采样频率之选择,系统的校准方法,最后对系统的主要误差进行了分析。本文可供系统测向干涉仪总体设计人员参考。
Based on the introduction of the basic principle of the FFT interferometer direction finding system, the paper introduces the main features of the FFT direction finding system, the choice of bandpass sampling frequency and the system calibration method. Finally, the main error of the system is analyzed. This article is available to the system DF interferometer designer as a whole.