可以直接读取txt格式的信号文件，一般是指振动波形数据。只需要输入目录和频率即可，出来就是波形图，该vi还对信号做了去直流的处理。-the vi can read the signal file which is writed in text formation。

Labview program histogram formation using labview plateform

从二维字符串数组中提取均不为空的行，组成新的二维数组输出。-Extracted 2 d array of strings are not empty lines, the formation of new two-dimensional array output.

基于labview的声源定位，利用广义互相关法求声音信号到麦克风阵列的时间差，然后根据麦克风阵列的距离阵型求得声源的位置-Sound Source Localization Based labview, the use of generalized cross correlation method the sound signal to the time difference between the microphone array, and then formation determined