A design method for low phase noise agile X-band frequency synthesizer is presented, the theoretic analysis and calculation is performed and the test results are given.
介绍一种低相噪、捷变频x波段频率综合器设计方法，并进行理论分析、计算，最后给出测试结果。
In this model, running state of transmission line is divided into four states, and calculation method of state probability, state frequency and state duration in balanced state are given.
该模型将输电线路的运行状态划分为四种状态，给出了每种平稳状态的状态概率、状态频率和状态持续时间的计算方法。
The conception of transient frequency and calculation method of wavelet packet are introduced, and time frequency distribution about simulation and actual seismic signals is given.
介绍了瞬时频率的概念和瞬态谱的小波包计算方法，并结合时间域模拟信号给出了其时频分布。
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