| 基于软技术的高动态扩频信号载波跟踪技术 |
| |
| 引用本文： | 任俊涛,邵定蓉,李署坚. 基于软技术的高动态扩频信号载波跟踪技术[J]. 北京航空航天大学学报, 2002, 28(6): 664-667. DOI: 10.3969/j.issn.1001-5965.2002.06.016 |
| |
| 作者姓名： | 任俊涛 邵定蓉 李署坚 |
| |
| 作者单位： | 北京航空航天大学,电子工程系 |
| |
| 摘 要： | 高动态环境中,由于载体的动态变化范围大,使得所发射信号的多普勒频移、一次变化率、甚至二次变化率都比较大,这对于完成信号的正确解调提出了很高的要求.因而又给出了一种用复合软环来跟踪高动态载波信号的方法,实现了基于数字信号处理器的接收机,并且验证了此方案切实可行,完全达到各种性能要求.
|
| 关 键 词： | 接收机 数字信号处理 扩频通信 频率跟踪 高动态 |
| 文章编号： | 1001-5965(2002)06-0664-04 |
| 收稿时间： | 2001-05-18 |
| 修稿时间： | 2001-05-18 |
Carrier Tracking Technology of High Dynamics Spread Spectrum Signal Based on Software |
| |
| REN Jun-tao,SHAO Ding-rong,LI Shu-jian. Carrier Tracking Technology of High Dynamics Spread Spectrum Signal Based on Software[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(6): 664-667. DOI: 10.3969/j.issn.1001-5965.2002.06.016 |
| |
| Authors: | REN Jun-tao SHAO Ding-rong LI Shu-jian |
| |
| Affiliation: | Beijing University of Aeronautics and Astronautics, Dept. of Electronic Engineering |
| |
| Abstract: | In high dynamics environment, the movement of object changes sharply, so the transmitted signal has some special characters: larger Doppler frequency shift, the first order derivative and the second order derivative. It is difficult to demodulate correctly. A method of compound software loop of tracking the carrier was presented. The receiver is realized on DSP, and the result of the experiment approves that the project is feasible. |
| |
| Keywords: | receivers digital siginal processors spread spectrum communication auto frequency control high dynamic |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《北京航空航天大学学报》浏览原始摘要信息 |
|
点击此处可从《北京航空航天大学学报》下载全文 |
