在labview虚拟仪器中，利用波形生成和波形测量选板，使用选板的函数节点，设计显示多种波形信号发生器，同时测量信号的幅值和电平。-In labview virtual instrument, using waveform generation and waveform measurements palette using palette function node design shows a variety of waveform signal generator, simultaneous measurement of the signal amplitude and level.