|
|||||
|
|
| 基于双谱二维特征相像系数的雷达信号分选 | |
| 引用本文： | 韩俊,何明浩,朱元清,王杰.基于双谱二维特征相像系数的雷达信号分选[J].电波科学学报,2009,24(5). |
| 作者姓名： | 韩俊 何明浩 朱元清 王杰 |
| 作者单位： | 1. 空军雷达学院信息对抗系,湖北,武汉,430019 2. 空军雷达学院训练部,湖北,武汉,430019 3. 电子对抗国防科技重点实验室,四川,成都,610036 |
| 摘 要： | 针对现有方法分选准确率不高和对噪声敏感的问题,应用双谱二维特征相像系数实现了低信噪比下未知复杂雷达信号的高准确率分选.对接收到的信号首先提取双谱幅度谱,并将其简化为二维特征,然后构造一矩形脉冲序列与一三角形脉冲序列,分别求二维特征与两个脉冲序列的相像系数,最后将求取的相像系数作为分选的特征参数.由于不同信号的双谱区别大且对高斯噪声不敏感,因此,转换后的相像系数可分性强、稳定度高,仿真验证了新方法的优越性,在信噪比为10 dB时,分选准确率最低为90%. |
| 关 键 词： | 分选 双谱 相像系数 信噪比 |
Sorting radar signal based on the resemblance coefficient of bispectrum two dimensions characteristic |
|
| HAN Jun HE Ming-hao ZHU Yuan-qing WANG Jie.Sorting radar signal based on the resemblance coefficient of bispectrum two dimensions characteristic[J].Chinese Journal of Radio Science,2009,24(5). | |
| Authors: | HAN Jun HE Ming-hao ZHU Yuan-qing WANG Jie |
| Affiliation: | HAN Jun1 HE Ming-hao2 ZHU Yuan-qing WANG Jie3(1.Department of Information Countermeasures,AFRA,Wuhan Hubei 430019,China,2.Division of Training,3.National Electronic Warfare Laboratory,Chengdu Sichuan 610036,China) |
| Abstract: | Common method have low sorting rates and is sensitive to the signal noise ratio(SNR),resemblance coefficient of bispectrum two dimensions characteristic is applied to sort unknown complicated radar signal,so that high sorting rate can be got.The bispectrum of received signal is extracted,and it is predigested to two dimensions characteristic.A rectangle pulse sequence and triangle pulse sequence are constructed,then the resemblance coefficient of two dimensions characteristic with rectangle pulse sequence a... |
| Keywords: | sorting bispectrum resemblance coefficient SNR |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |