基于LabVIEW设计一个虚拟示波器系统，实现两路数据信号的实时显示、波形测量（包括峰峰值、平均电压、频率、最大值、最小值、幅值等）、波形存储、波形回显以及频谱分析等功能。-LabVIEW to design a virtual oscilloscope system, real-time two-way data signal waveform measurements (including the peak to peak, average voltage, frequency, maxim