| 通信系统中抗干扰和并行捕获模块的融合设计 |
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| 引用本文： | 陈晓挺.通信系统中抗干扰和并行捕获模块的融合设计[J].电子科技,2012,25(8):29-31. |
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| 作者姓名： | 陈晓挺 |
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| 作者单位： | (1.中国科学院 上海微系统与信息技术研究所,上海 200050;2.上海微小卫星工程中心 通信技术室,上海 201203) |
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| 摘 要： | 讨论了通过FFT融合实现频域抗干扰和载波多普勒频偏快速捕获的高效数字化方案,分析了融合设计需要解决的采样率、FFT点数、分时复用等关键技术问题,给出了一种可应用于低轨扩频通信系统的高效实现频域抗干扰和PMF-FFT并行捕获的接收机结构,节省了星上接收机等处理资源。
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| 关 键 词： | 频域抗干扰 并行捕获 直接序列扩频 低轨卫星 |
Co-design of Frequency-Domain Anti-Jamming and Parallel Acquisition in DSSS LEO Satellite Communication System |
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| CHEN Xiaoting.Co-design of Frequency-Domain Anti-Jamming and Parallel Acquisition in DSSS LEO Satellite Communication System[J].Electronic Science and Technology,2012,25(8):29-31. |
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| Authors: | CHEN Xiaoting |
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| Affiliation: | (1.Shanghai Institute of Microsystem and Information Technology,CAS,Shanghai 200050,China;
2.Communicaton Technology Room,Shanghai Engineering Center For Microsatellites,Shanghai 201203,China) |
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| Abstract: | This paper introduces a high-efficiency co-design method for frequency-domain anti-jamming and parallel acquisition with FFT,analyzes such key problems as sample frequency,FFT calculation points,time-division reuse,etc.,and proposes a baseband processing structure for implementing frequency-domain anti-jamming and parallel acquisition high-efficiently in the DSSS LEO satellite communication system. |
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| Keywords: | anti-jamming parallel acquisition DSSS LEO satellite |
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