labview源码，包括锁相放大器，运算放大器，信号发生器，数字示波器，数字电压测试仪等-labview source code, including the lock-in amplifier, operational amplifier, signal generator, digital oscilloscope, digital voltage tester, etc.

基于图形化编程语言LabVIEW8.6的虚拟频谱分析仪，主要由信号发生器、数字滤波、参数测量、频谱分析和谐波分析构成，可实现对采样信号的显示、分析等功能.-This program designs the virtual spectrum analyzer based on graphical programming language LabVIEW8.6, the spectrum analyzer is mainly by the signal generator, spectrum ana

包括数字万用表，数字IO，逻辑分析仪，直流电压源，信号发生器的VI程序-VI program include digital multimeter, digital IO, a logic analyzer, the DC voltage source, signal generator