| 利用A/D和D/A实现频率变换的技术分析 |
| |
| 引用本文： | 朱勤专.利用A/D和D/A实现频率变换的技术分析[J].国际商务研究,2003,43(6):78-80. |
| |
| 作者姓名： | 朱勤专 |
| |
| 作者单位： | 中国西南电子技术研究所 四川成都610036 |
| |
| 摘 要： | 通过建立A/D、D/A的数学模型,推导了A/D、D/A实现变频的基本公式,分析了量化噪声和变频损失,总结了其主要特点及其与模拟混频器的区别,说明A/D和D/A实现频率变换是切实可行的,在进行模数、数模转换的同时实现变频,有利于节省器件,简化电路。
|
| 关 键 词： | 通信系统 信号处理 模数转换 频率变换 |
| 修稿时间： | 2003/7/22 0:00:00 |
Technological Analysis of Realizing Frequency Conversion with A/D and D/A |
| |
| ZHU,Qin-zhuan.Technological Analysis of Realizing Frequency Conversion with A/D and D/A[J].International Business Research,2003,43(6):78-80. |
| |
| Authors: | ZHU Qin-zhuan |
| |
| Abstract: | Through establishing mathematic model of A/D and D/A, this paper deduces the basic expressions of realizing frequency conversion with A/D and D/A, analyses the quantizing noise and conversion loss, and summarizes the difference between it and analog frequency conversion?While realizing frequency conversion, it can realize A/D conversion,D/A conversion ,and can save component and simplify circuit. |
| |
| Keywords: | Communication system Signal processing A/D conversion Frequency conversion |
|
| 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 |
|
