| 非衰落信道下基于DMF的伪码捕获性能分析 |
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| 引用本文： | 张爱民,张德兴,马志强.非衰落信道下基于DMF的伪码捕获性能分析[J].现代电子技术,2010,33(23):27-29. |
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| 作者姓名： | 张爱民 张德兴 马志强 |
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| 作者单位： | 总参谋部通信训练基地,河北宣化075100 |
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| 摘 要： | 基于数字匹配滤波器（DMF）的PN码捕获电路具有较快的捕获速度，因此在扩频系统中已得到广泛应用，为了在高斯白噪声环境的非衰落信道下改善DMF捕获性能，对影响捕获性能的虚警概率和检测概率进行了推导和分析，进而计算出了平均捕获时间，最后做出了仿真和分析。
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| 关 键 词： | 非衰落信道 数字匹配滤波 检测概率 虚警概率 平均捕获时间 |
Analysis on Acquisition Performance of PN Code Based on DMF over Non-fading Channels |
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| ZHANG Ai-min,ZHANG De-xing,MA Zhi-qiang.Analysis on Acquisition Performance of PN Code Based on DMF over Non-fading Channels[J].Modern Electronic Technique,2010,33(23):27-29. |
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| Authors: | ZHANG Ai-min ZHANG De-xing MA Zhi-qiang |
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| Affiliation: | (Communication Training Base of PLA General Staff Headquarters, Xuanhua 075100, China) |
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| Abstract: | The PN code acquisition circuit based on DMF can accelerate the process of PN code acquisition, so it has more and more application in DSSS. In order to improve further acquisition performance over non-fading channels under Gauss White noise circumstance, the detection probability and false alarm probability which effect acquisition performance of PN code are derived and analyzed, and the mean acquisition time is computed, the results of simulation and analysis are given. |
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| Keywords: | non-fading channel DMF detection probability false alarm probability mean acquisition time |
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