| 接收前端信道设计分析 |
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| 引用本文： | 方德松.接收前端信道设计分析[J].导航,2007,43(2):57-60. |
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| 作者姓名： | 方德松 |
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| 作者单位： | 中国电子科技集团公司第20研究所,西安710068 |
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| 摘 要： | 介绍了接收信道前端在微波接收设备中的重要性，给出了信道前端设计的框图，介绍了各分电路在接收信道中起的作用，讨论了接收机中混频器／本振、放大器性能和系统噪声系数设计、组合干扰产生等方面对接收机性能的影响，同时强调了设计中应该注意和兼顾考虑的地方。
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| 关 键 词： | 微波接收设备 混频器 噪声系数 组合干扰 |
| 修稿时间： | 2007-02-12 |
Analysis of Design of Receiver Front End Channel |
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| Authors: | FANG Desong |
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| Abstract: | This paper discusses the importance of the front end channel of microwave receiver, of which the block diagram is given. Then performance and design of each circuit is explained. Combination interference, noise figure, signal gain on the performance of the receiver are analyzed. Some aspects should be considered are emphasized. |
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| Keywords: | Microwave Receiver Frequency Mixer Noise Figure Combination Interference |
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