| 电子干扰下GPS接收机C／A码捕获概率的分析 |
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| 引用本文： | 袁俊,韩力,李利.电子干扰下GPS接收机C／A码捕获概率的分析[J].华北航天工业学院学报,2002,12(1):10-12,27. |
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| 作者姓名： | 袁俊 韩力 李利 |
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| 作者单位： | 北京理工大学电子工程系 北京100081
(袁俊，韩力)，华北航天工业学院电子工程系 河北廊坊065000(李利) |
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| 摘 要： | 本文从对GPS信号的结构出发，在单频、宽带及部分频带干扰模式下，分析了GPS接收机C／A码捕获过程的检测概率和虚警概率等性能指标。分析结果表明，当干扰功率超过一定值后，虽然检测概率有所增加，但虚警概率将急剧恶化，在中频信干比相同时，窄带干扰较宽带干扰效果明显。
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| 关 键 词： | GPs接收机 C／A码 电子干扰 检测概率 虚警概率 |
Research on the Probobility in Acquisition of C/A Code of GPS Receiver Under Electronic Jamming |
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| YUAN Jun,HAN Li,LI Li.Research on the Probobility in Acquisition of C/A Code of GPS Receiver Under Electronic Jamming[J].Journal of North China Institute of Astronautic Engineering,2002,12(1):10-12,27. |
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| Authors: | YUAN Jun HAN Li LI Li |
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| Institution: | YUAN Jun 1 HAN Li 1 LI Li 2 |
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| Abstract: | This paper is on the research, based on GPS signal characteristic, of the important parameters in acquisition of C/A code in a GPS receiver such as the probability of detection and, which are affected by single-tone jamming, wide-band jamming and part-band jamming, etc. The results show that the probability of false alarm would increase quickly along with the jamming power while the probability of detection increase a little if it exceed the certain value. In condition of signal-to-jamming ratio of intermediate frequency, the influence of narrow-band jamming is greater than that of the wide-band jamming. |
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| Keywords: | GPS receiver C/A code electronic jamming probability of detection probability of false alarm |
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