| 基于互模糊函数的时差频差估计算法及实现途径 |
| |
| 引用本文： | 朱伟强,黄培康,张朝.基于互模糊函数的时差频差估计算法及实现途径[J].南京理工大学学报(自然科学版),2009,33(4). |
| |
| 作者姓名： | 朱伟强 黄培康 张朝 |
| |
| 作者单位： | 1. 中国航天科工集团,8511研究所,江苏,南京,210007
2. 中国航天科工集团科技委,北京,100854 |
| |
| 摘 要： | 针对双站无源定位系统中的时差频差测量问题,该文研究了利用互模糊函数对雷达信号进行时差频差联合估计的可行性及算法,分析并推导了常见雷达信号的时差频差估计标准差表达式,给出了典型雷达信号时差频差联合估计的仿真结果及实现途径,仿真结果表明:通过采用并行处理与缩小搜索范围等措施,有效缩短了模糊函数的计算时间.
|
| 关 键 词： | 无源定位 时差估计 频差估计 互模糊函数 雷达信号 并行处理 |
Estimation Algorithm and Realization Method for Differential Delay and Differential Frequency Offset Based on Cross Ambiguity Function |
| |
| ZHU Wei-qiang,HUANG Pei-kang,ZHANG Zhao.Estimation Algorithm and Realization Method for Differential Delay and Differential Frequency Offset Based on Cross Ambiguity Function[J].Journal of Nanjing University of Science and Technology(Nature Science),2009,33(4). |
| |
| Authors: | ZHU Wei-qiang HUANG Pei-kang ZHANG Zhao |
| |
| Institution: | 1.No.8511 Research Institute;China Aerospace Science and Industry Corporation;Nanjing 210007;China;2.The Science and Technology Committee;Beijing 100854;China |
| |
| Abstract: | To solve the measurement problems of differential delay and differential frequency offset in dual-station passive location system,the algorithm and feasibility of the joint estimation of the differential delay and differential frequency offset is studied using the cross ambiguity function.The estimation standard deviation expressions for the differential delay and differential frequency offset of common radar signals are analyzed and derived.The joint estimation simulation result and realization method of d... |
| |
| Keywords: | passive location differential delay estimation differential frequency offset estimation cross ambiguity function radar signals parallel process |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
