[1]周新刚,赵惠昌,刘静,等.对称三角调频脉冲压缩信号模糊函数[J].ag亚游ag8|官方,2009,(02):22.
 ZHOU Xin-gang,ZHAO Hui-chang,LIU Jing,et al.A Research on Ambiguity Function of Symmetrical Triangular Frequency Modulated Pulse Compression Signal[J].,2009,(02):22.
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对称三角调频脉冲压缩信号模糊函数()
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《ag亚游ag8|官方》[ISSN:1008-1194/CN:61-1316/TJ]

卷:
期数:
2009年02期
页码:
22
栏目:
出版日期:
2009-04-26

文章信息/Info

Title:
A Research on Ambiguity Function of Symmetrical Triangular Frequency Modulated Pulse Compression Signal
文章编号:
1008-1194(2009)02-0022-06
作者:
周新刚1;?赵惠昌1;?刘静1;?高振儒1;?2
1.南京理工大学电光学院,江苏 南京210094;2.解放军理工大学,江苏 南京210007
Author(s):
ZHOU Xin-gang1;?ZHAO Hui-chang1;?LIU Jing1;?GAO Zhen-ru1;?2
1.Department of Electronic Engineering and Optoelectronic Technology,NUST,Nanjing 210094,China;2.PLA Science and Technology University,Nanjing 210007,China
关键词:
引信;?模糊函数;?自相关函数;?脉冲压缩;?三角波调频
Keywords:
fuze;?ambiguity function;?autocorrelation function;?pulse compression;?triangle-wave frequency modulation
分类号:
TJ434;TN959.1
文献标志码:
A
摘要:
模糊函数是分析引信信号并进行波形设计的重要工具。利用模糊函数的定义,推导出对称三角波线性调频脉冲压缩(STFMPC)信号的模糊函数及其距离、速度自相关函数。通过计算机仿真,结果表明该信号是多普勒敏感信号,其模糊函数为在原点的1个尖峰和4个以尖峰为公共轴的有一定厚度的对称直角三角板。通过与锯齿调频脉冲压缩(SFMPC)信号-3 dB模糊度图的比较,得出对称三角波线性调频脉冲压缩信号比锯齿调频脉冲压缩信号具有更强的抗干扰能力和更高的分辨力,且可以消除多目标环境中运动目标的距离速度耦合现象。
Abstract:
Ambiguity function is a very important tool for analyzing fuze signal and designing waveform.The ambiguity function of symmetrical triangular frequency modulated pulse compression (STFMPC) signal is derived in detail based on its definition,and the range-velocity autocorrelation function is also derived.The simulation shows that STFMPC signal is sensitive to Doppler frequency-shift,and its ambiguity function has one aiguille at the origin and four symmetrical right-angle set-squares with the aiguille as their common spindle.The set-squares are of a certain thickness.The comparison with -3 dB contour of ambiguity function of saw-tooth frequency modulated pulse compression (SFMPC) signal shows that STFMPC signal has stronger anti-jamming performance and higher resolution than SFMPC.And the STFPC signal can eliminate the range-velocity coupling of moving targets in the multi-target environment.

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备注/Memo

备注/Memo:
*收稿日期:2008-12-11
基金项目:江苏省普通高校研究生科研创新计划资助项目(CX08B_077Z);国家部级重点预研项目资助
作者简介:周新刚(1981-),男,满族,河北秦皇岛人,博士研究生,研究方向:无线电引信干扰与抗干扰技术、非平稳信号处理。E-mail:pcm603@yahoo.com
更新日期/Last Update: 2009-05-14