| 摘要: |
| 提出了多站小口径接收系统相关合成接收的方法。介绍了相关运算原理，并用于
毫米波多路接收信号的相关合成。针对大型天线不能机动、造价高的不利因素，提出了小型
化、机动化解决方案。采用三路相关合成技术，改善信噪比47 dB，相当于将天线口
径
减小42%。该方法适用于更多路的相关合成,对接收站的设计有一定参考意义
。 |
| 关键词: 卫星通信 地面站 毫米波 抗雨衰 相关函数 相关合成 |
| DOI： |
|
| 基金项目: |
|
| Coherent Synthesis Technique for Multichannel Millimeter Wave Receiving Signal |
| HU Jin-dong |
| (The 27th Research Institute of China Electronics Technology Group Corporation(C
ETC),Zhengzhou 450047,China) |
| Abstract: |
| A coherent synthesis method is proposed for multichannel recei
vers with small dimension antenna. The principle of coherent operation is introd
uced and applied to correlation synthesis receiver on millimeter wave(MMW) comm
unication links. In order to overcome the negative factors due to no-flexibility
and high cost about large antenna, the method is presented to realize
miniaturization and flexibility. With correlation synthesis between 3 channels,t
he SNR(Signal to Noise Ratio) is improved 4.7dB, corresponding to reducing the a
ntenna diameter 42%.This
method is suitable for more channels synthesis,and has reference for design of
receiving stations. |
| Key words: satellite communication ground station millimeter wave(MMW) rain attenuation countermeasure correlation function correl
ation
synthesis |
《电讯技术》编辑部 