| 短波信道中3G-ALE信号的载波检测方法 |
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| 引用本文： | 张林,任国春,龚玉萍,郭伟涛,张哲.短波信道中3G-ALE信号的载波检测方法[J].电子质量,2010(11):16-18. |
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| 作者姓名： | 张林 任国春 龚玉萍 郭伟涛 张哲 |
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| 作者单位： | 解放军理T大学通信工程学院,江苏南京,210007 |
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| 摘 要： | 第三代短波通信系统的自动链路建立协议（3G-ALE）具有更高的数据速率和更强的噪声适应能力,研究3G-ALE信号的检测和参数估计技术对电子侦察和干扰具有重要意义。在推导了多径和衰落信道对信号自相关的影响后,提出一种载波检测与估计方法,即信号经过相关运算后,运用现代功率谱估计的方法,实现对3G-ALE信号的检测与载波估计,并进行性能仿真。仿真结果证明了多径衰落条件下所提出的检测方法的有效性。
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| 关 键 词： | 3G-ALE 直扩信号 相关 载波检测 |
A Novel Carrier Estimation Method of 3G-ALE Signal in Short-wave Channel |
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| Zhang Lin,Ren Guo-chun,Gong Yu-ping,Guo Wei-tao,Zhang Zhe.A Novel Carrier Estimation Method of 3G-ALE Signal in Short-wave Channel[J].Electronics Quality,2010(11):16-18. |
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| Authors: | Zhang Lin Ren Guo-chun Gong Yu-ping Guo Wei-tao Zhang Zhe |
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| Affiliation: | Zhang Lin,Ren Guo-chun,Gong Yu-ping,Guo Wei-tao,Zhang Zhe(Instituteof Communications Engineering,PLA University of Science and Technology,JiangsuNanjing 210007) |
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| Abstract: | The third-generation HF automatic link establishment(3G-ALE) achieves better data speed and adaptability of noise,So it is important for electronic reconnaissance and jamming to study technology of detection and parameter estimation of 3G-ALE Sig-nal.After derivation the effect of the signal's autocorrelation in multipath and fading conditions,A Novel Carrier Estimation Method is proposed.After the correlation operation,the detection and carrier estimation of 3G-ALE signal using modern spectral estimation i... |
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| Keywords: | 3G-ALE Carrier Estimation autocorrelation DS/SS |
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