扩频测控系统常见干扰检测技术研究

Journal of Systems Engineering and Electronics ›› 2009, Vol. 31 ›› Issue (9): 2195-2199.

扩频测控系统常见干扰检测技术研究

殷复莲¹, 郭黎利¹, 卢满宏²

1. 哈尔滨工程大学信息与通信工程学院, 黑龙江, 哈尔滨, 150001;
2. 北京遥测技术研究所, 北京, 100076

收稿日期:2008-08-31 修回日期:2008-09-24 出版日期:2009-09-20 发布日期:2010-01-03
作者简介:殷复莲(1982- ),女,博士研究生,主要研究方向为扩频干扰抑制.E-mail:yinfulian0502@163.com
基金资助:
高等学校博士学科点专项科研基金(20050217006)资助课题

Research on common interference detection techniques of spread spectrum TT&C systems

YIN Fu-lian¹, GUO Li-li¹, LU Man-hong²

1. Coll. of Information and Communication Engineering, Harbin Engineering Univ., Harbin 150001, China;
2. Beijing Research Inst. of Telemetry, Beijing 100076, China

Received:2008-08-31 Revised:2008-09-24 Online:2009-09-20 Published:2010-01-03

摘要/Abstract

摘要： 以码分多址(code division multiple access,CDMA)测控系统常见干扰为研究对象,针对现存干扰检测技术中存在干扰类型分析不全面、计算复杂度高的问题,提出新型低运算复杂度的变换选择模式识别(transform selective mode distinguish,TSMD)检测方案。首先利用压缩增益(compression gain,CG)特性对脉冲干扰、线性调频干扰和窄带干扰进行检测,如果检测干扰为窄带干扰,既而通过模式识别技术中的谱均值-方差特性对音频干扰(包括多音干扰和单音干扰)、数字窄带干扰和自回归随机过程进行检测。仿真实验证明了该算法的有效性。

Abstract: To solve the problem that traditional detection techniques could only detect partial common interferences and attend by high computational complexity in tracking telemetry & command(TT&C) system using code division multiple access(CDMA),a new transform selective mode distinguish(TSMD) technique with low computational complexity is proposed in the paper.This algorithm uses the performance of compression gain(CG) to detect impulse interference,linear frequency modulation(Chirp) interference and narrowband interference(NBI).If the result of detection is NBI,then,the type of sinusoidal tones(multi tones or single tone),digital NBI,or Autoregressive(AR) process is detected according to the performance of different NBI’s mean and variance in mode distinguish.The feasibility of this method is proved through simulations.

中图分类号:

TN911.72

殷复莲, 郭黎利, 卢满宏. 扩频测控系统常见干扰检测技术研究[J]. Journal of Systems Engineering and Electronics, 2009, 31(9): 2195-2199.

YIN Fu-lian, GUO Li-li, LU Man-hong. Research on common interference detection techniques of spread spectrum TT&C systems[J]. Journal of Systems Engineering and Electronics, 2009, 31(9): 2195-2199.

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