| 一种用于信号分析的数字正交解调电路设计 |
| |
| 引用本文： | 陈向民,张辉.一种用于信号分析的数字正交解调电路设计[J].国际商务研究,2006,46(2):65-69. |
| |
| 作者姓名： | 陈向民 张辉 |
| |
| 作者单位： | [1]合肥工业大学仪器仪表学院,合肥230069 [2]中国电子科技集团公司第41研究所,安徽蚌埠233006 |
| |
| 摘 要： | 阐述了数字正交解调的原理以及与传统模拟正交解调相比所体现出的优越性。详细介绍了一种用于信号分析的数字正交解调电路设计方案和工作原理，并结合信号分析类仪器的特点和要求说明电路的硬件和软件设计方法。通过对数字滤波环节的仿真和在具体应用中所得到的实验结果说明设计电路的优越性。
|
| 关 键 词： | 正交解调 数字混频 数字滤波 基带信号 信号分析 |
| 收稿时间： | 2005/4/11 0:00:00 |
| 修稿时间： | 2005/7/1 0:00:00 |
Design of a Digital Quadrature Demodulator for Signal Analysis |
| |
| CHEN Xiang-min,ZHANG Hui.Design of a Digital Quadrature Demodulator for Signal Analysis[J].International Business Research,2006,46(2):65-69. |
| |
| Authors: | CHEN Xiang-min ZHANG Hui |
| |
| Institution: | 1. instrumentation School, Hefei University of Technology, Hefei 230009, China; 2.The 41 st Institute of China Electronics Technology Group Corporation, Bengbu 233006, China |
| |
| Abstract: | The principle and advantage of digital quadrature demodulator is expounded. A designing technique and principle of digital quadrature demodulator for signal analysis is introduced in detail. Based on the characteristic and demand of the instrument for signal analysis, the designing method of hardware and software is described. The simulation of digital filter and the experiment result in the practical application show the advantage of this designing circuit. |
| |
| Keywords: | quadrature demodulator digital mixer baseband signal signal analysis |
|
| 点击此处可从《国际商务研究》浏览原始摘要信息 |
| 点击此处可从《国际商务研究》下载免费的PDF全文 |
