| 直接序列扩频通信的循环谱检测和参数估计技术 |
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| 引用本文： | 余敬东,郭伟,李牧.直接序列扩频通信的循环谱检测和参数估计技术[J].电子科技大学学报(社会科学版),1996(Z3). |
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| 作者姓名： | 余敬东 郭伟 李牧 |
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| 作者单位： | 电子科技大学抗干扰通信技术国防重点实验室 |
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| 摘 要： | 将循环谱理论应用于直接序列扩频信号检测与参数估计，提出了针对直扩信号特性的循环谱估计及特征提取方法，实现了低信噪比直扩信号的检测及其载频和伪码速率的估计，并结合集平均算法提高结果的可信度，通过系统实验模型验证了该方法的有效性。
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| 关 键 词： | 循环谱 扩频信号 检测 参数估计 |
Cyclic Spectrum-based DS/SS Signal Detection and Parameter Estimation |
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| Yu Jingdong, Guo Wei, Li Mu.Cyclic Spectrum-based DS/SS Signal Detection and Parameter Estimation[J].Journal of University of Electronic Science and Technology of China(Social Sciences Edition),1996(Z3). |
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| Authors: | Yu Jingdong Guo Wei Li Mu |
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| Institution: | Natiohal Communication Lab. UEST of China Chengdu 610054 |
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| Abstract: | This peper discusses the aPPlitalon Of cyclic-speCtrUIn theory in re/SS sac det aamperalneter esthation. A new rnethed, including cyclic-sm estimation and figure eXtinction, isPto tO rtalze the detedon Of the Presence and esthation Of carriet, tate about the low-SNR m/SS with accumulation- average, the cralltability of the result is e furtherlyexperimental reSults show that this method is salable. |
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| Keywords: | cyclic spectrum DS/SS detection estimation |
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