CAJ | 학술논문

本文设计实现了一个基于LabVIEW的虚拟实验仪器，包括虚拟信号发生器、虚拟双踪数字存储示波器等。其中信号发生器能产生三角波、方波和正弦波，并叠加噪声；示波器实现双通道信号测量、频率幅度测量、信号存储及回放、触发通道控制等功能；实现对外部采集信号及虚拟信号的测量及显示。为了提高所测量信号频率的准确度，通过加上相应窗函数进行频率校正。
본문설계실현료일개기우LabVIEW적허의실험의기，포괄허의신호발생기、허의쌍종수자존저시파기등。기중신호발생기능산생삼각파、방파화정현파，병첩가조성；시파기실현쌍통도신호측량、빈솔폭도측량、신호존저급회방、촉발통도공제등공능；실현대외부채집신호급허의신호적측량급현시。위료제고소측량신호빈솔적준학도，통과가상상응창함수진행빈솔교정。
This paper designs a virtual experiment testing system of analog electronic technology based on LabVIEW, including the virtual signal generator, virtual digital oscillograph. The signal generator can generate triangle wave, square wave and sine wave, and mixing noise ; the dual channel oscilloscope implement of signal measurement, frequency and amplitude measurement, signal storage and playback, trigger channel control functions;implement of collect the external signal and virtual signal measurement and display. In order to improve the accuracy of measuring the frequency of the signal, we add a corresponding window function for frequency correction.