在实际工程应用中，为了提高雷达测量精度，电波折射误差的修正主要采用实时修正方法。
Realtime correction method is mainly used in radio wave refraction error correction to improve radio instrumentation accuracy in engineering applications.
本文给出了电波折射误差实时修正的公式拟合方法，该方法在实际应用中能够快速得到折射误差，从而提高了雷达测量精度。
This paper proposes a formula fitting method for realtime correction of radio wave refraction errors for fast determination of the refraction error and improvement of radio instrumentation accuracy.
在某相位编码毫米波雷达系统中，要求很高的目标速度测量精度，因而目标多普勒频率测量电路的设计比较重要。
The design of target doppler frequency measurement circuit is very important in phase coded MMW radar system because of the high measurement precision requirement of target speed.
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