介绍了一种荃于MATLAB数字信号处理工具箱、MATLAB数据分析和MATLAB圈形对 象的时变数字信号瞬时频率枯计方法。这种方法利用时频分析结果来估计信号的麟时频率，其 中涉及时频分析、滤波、曲线拟合辞多种处理过程。处理过程的编程实现封较于用户界面上作 为文互工具的控件中，由用户通过交互界面逐步完成估计瞬时预率的工作.-Tsuen introduced a digital signal processing in the MATLAB toolbox, MATLAB and MAT

利用极大似然估计算法实现瞬时频率估计，主要采用c++语言实现-with the maximum likelihood estimation ，get instant frequence，it over with C++ code

瞬时相位和瞬时频率的估计方法，并分别给出对应模型。内附解释-Instantaneous phase and instantaneous frequency estimation methods, and were given the corresponding model. Included to explain

利用STFT可以估计信号在每片短时窗内的频率得到信号的瞬时频率，该曲线由一组时间和频率相对应的点组成，反映了信号频率随时间的变化。-Using STFT can estimate the frequency of the signal in every piece of short-time window get signal instantaneous frequency, the curve consists of a set of time and frequency of corresp

基于瞬时频率的码元速率估计，mpsk函数和test_signal函数都在基于小波变换压缩包内-Symbol rate estimation based on instantaneous frequency, qpsk function and test_signal functions in the compression package based on wavelet transform