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1.前言从铯频标的最新发展来看,数字技术已用来控制压控振荡器(VCXO)的频率,并实现一系列的管理和测试功能。和过去通用的模拟技术相比,数字技术可以克服其固有的缺点。例如:它可以避免因波形解调失真、运算放大器
1. Introduction From the latest developments in cesium frequency standards, digital technology has been used to control the frequency of voltage-controlled oscillators (VCXOs) and to implement a range of management and test functions. Digital technology overcomes its inherent shortcomings compared to common analog technologies in the past. For example: It can avoid distortion due to waveform demodulation, op amp