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Ka频段数字卫星广播系统抗上行干扰性能分析

Performance Analysis on Digital Satellite Broadcasting System in Ka-Band against Uplink Jamming
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摘要 文章研究了基于DVB-S标准的Ka频段数字卫星广播系统抗上行干扰的性能。首先介绍了Ka频段同步卫星通信信道特点,然后对系统抗上行干扰的性能进行了分析并给出了系统误比特率的计算公式,在考虑天气影响条件下,对几种干扰样式下系统的性能进行了仿真分析,仿真表明：黑云天气对系统性能的影响最大;同时4PSK干扰较其他几种干扰样式对系统性能的影响更大。 The robustness of digital satellite broadcasting system based on the DVB-S standard in Ka-band to uplink jamming is investigated. Firstly, the characteristics of synchronous satellite communication channel in Ka-band is introduced, the performance of the system against uplink jamming is analyzed and the BER calculating formula after demodulation and decoding at the receive terminal is introduced. Considering the weather factors, the performance of the system is simulated and ana- lyzed under several jamming patterns, and then the results show that the black cloud climate has the worst effect on the performance of the system ; comparing with other jamming patterns the 4PSK jamming has greater impact on the performance of the system.
作者 王欣 王可人 金虎 徐云
机构地区 电子工程学院信息系
出处 《电子对抗》 2010年第3期15-18,44,共5页 Electronic Warfare
关键词 DVB-S标准 Ka频段信道 上行干扰 透明转发器 数字卫星广播系统 DVB - S Standard Ka-band channel uplink jamming transparent transponder digital satellite broadcasting system
分类号 TN938 [电子电信—信号与信息处理]
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参考文献14

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电子对抗
2010年 第3期

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