利用LabVIEW编写希尔伯特黄变换HHT的算法，实测可用，包括总程序 ，以及IMF，样条插值等各个子VI 函数-Use LabVIEW to write Hilbert Huang Transform HHT algorithm found available, including the overall program, as well as IMF, each sub-spline interpolation function VI