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调制域分析技术能使频率（或相位、时间间隔）对时间的关系进行快速、直观、精确的测量。其关键技术是采用了ＺＤＴＣ（无死区时间计数器），实现了动态地测出随时间变化的频率。在跳频通信对抗中，正需要进行快速测频，侦察到对方的跳频图案。文中指出了应用中要注意的一些问题，同时介绍研制ＺＤＴＣ的具体实验方案和计算机仿真情况。
Modulation domain analysis techniques enable fast, intuitive and accurate measurement of the frequency (or phase, time interval) versus time relationship. The key technology is the use of ZDTC (no dead time counter), to achieve a dynamic measurement of frequency changes over time. FH communication confrontation, is in need of fast frequency measurement, reconnaissance each other’s frequency hopping pattern. The article pointed out some problems that should be noticed in the application, at the same time introduced the specific experiment scheme and computer simulation of ZDTC.