模拟节目信号的数字化实现方法研究  

Simulated programme signal digital implementation method

作　　者：周静雷[1] 王仔鸣[1] 卢万念[1] 

机构地区：[1]西安工程大学电子信息学院,西安710048

出　　处：《电子测量技术》2013年第7期40-42,47,共4页Electronic Measurement Technology

基　　金：陕西省教育厅基金项目(11JK0548)

摘　　要：在扬声器功率负荷试验中,测量扬声器输入电压和输入电功率时,测试信号都是使用模拟节目信号,传统的模拟节目信号是通过模拟仪器产生的,采用传统的方法不仅步骤烦琐,而且造价高昂,基于以上情况考虑,提出数字化模拟节目信号算法的编程实现。以白噪声经过模拟节目信号滤波器产生模拟节目信号的思想,并最终通过编程软件实现模拟节目信号的生成,从而可以利用计算机本身产生模拟节目信号。在进行扬声器等电声器件的功率负荷试验过程中,提高效率,节约成本。When measure the speaker input voltage and input power of the speaker power load test,the using test signal are always an analog program signal. The traditional analog program signal is generated by the analog instruments, not only cumbersome steps using the traditional method, but the cost is high. Based on the above considerations, the digitized analog program signal algorithm programming is proposed in this paper. This article to propose white noise generate the analog program signal through the analog program signal filter, and eventually analog program signal generated by the programming software, which can use computers to generate analog program signal. Making speakers and other electro acoustic devices power load during the test improve efficiency and cost savings.

关 键 词：模拟节目信号 数字滤波器 功率负荷试验 数字化算法编程 

分 类 号：TN912[电子电信—通信与信息系统]