摘要
本文在分析了音频功放频率响应的基础上,描述了在LABVIEW平台下测试音频功放频率响应特性的方法。测试平台以PCI-6251多功能数据采集卡为核心,详细探讨了在LabVIEW中音频功放频率响应曲线测试的扫频信号生成和数据采集与处理的关键技术与步骤。
This article describes the method of testing the frequency response characteristic of audio power amplifier,base on the analysis for frequency response of audio power amplifier.PCI-6251 DAQ Card from NI is the core of this testing system.The key technology and step are fully discussed for the sweep signal generation and data acquisition and processing.
出处
《微计算机信息》
2010年第22期80-81,共2页
Control & Automation
关键词
虚拟仪器
数据采集
频响特性曲线
Virtual instrumentation
Data acquisition
Frequency Response Curve
