EMD经典程序包，求瞬时频率和瞬时幅值，以及希尔伯特谱等。-Classic EMD program package, and instantaneous frequency and amplitude, as well as Hilbert spectrometer.

使用MySin函数生成一个幅值为3、频率为10Hz的正弦信号x(t)，其中dt分别为0.1s、0.08、0.05s、0.005s。绘出四个正弦信号波形及其单边幅值谱-Use MySin amplitude function generates a 3, a frequency of 10Hz sinusoidal signal x (t), where dt respectively 0.1s, 0.08,0.05s, 0.005s. Sinusoidal waveform and draw f

能够对原始时间频率三维谱数据进行频率幅值排序，并对于给定的频率范围进行动态搜索频率范围内最高幅值-Possible to the original three-dimensional time-frequency amplitude frequency spectral data sorting, and for a given frequency range within the frequency range up to the magnitude of dynamic search