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本文介绍实验室用的S和X波段频率标准,分析了为提高输出信号频率稳定度和频谱纯度所采取的方法,同时给出了实验结果。
This article describes the S and X band frequency standards used in laboratories, and analyzes the methods used to improve the frequency stability and spectral purity of the output signal. The experimental results are also given.