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| 摘要: |
| 针对近年来提出的通过直接采样实现数字化正交相干检波的方法,分析了其基本原理,并用系统的观点解释了一种新的实现方法,阐明了该方法的基本原理及适用条件;理论分析及仿真结果表明,这一方法完全可以满足高性能数字化处理的要求. |
| 关键词: 中频采样 正交相干检波 低通滤波器 |
| DOI： |
| 分类号:TN919 |
| 基金项目: |
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| Study on Digital Quadrature Coherent Detection |
|
CHEN Yong_zhi
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| Abstract: |
| The essential principles are analyzed pointing at the method of realizing digital quadrature coherent detection by direct sampling,which has been put forward recent years,and a new realizing method is explained with a systematic view.Furthermore,its princ |
| Key words: sampling of IF signal,quadrature coherent detection,low_pass filter |
