实现信号的频谱图，可以方便的对其频率成分进行分析-Achieve the frequency spectrum of the signal can be easily analyzed for its frequency components

LabVIEW基于声卡的数据采集与分析软件，可实现声卡配置，声音采集，时域参数测量，频谱波形显示等功能-LabVIEW-based data acquisition and analysis of the sound card software, enabling the sound card configuration, sound acquisition, time domain parameters measurements, spectrum waveform display and o