[1]陈思,赵惠昌,郭长勇.调频引信模糊函数计算及调制参数提取方法[J].ag亚游ag8|官方,2012,(04):15.[doi:.]
 CHEN Si,ZHAO Huichang,GUO Changyong.Ambiguity Function Calculation and Parameters Extraction Method on FM Fuze[J].,2012,(04):15.[doi:.]
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调频引信模糊函数计算及调制参数提取方法()
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《ag亚游ag8|官方》[ISSN:1008-1194/CN:61-1316/TJ]

卷:
期数:
2012年04期
页码:
15
栏目:
出版日期:
2012-09-08

文章信息/Info

Title:
Ambiguity Function Calculation and Parameters Extraction Method on FM Fuze
文章编号:
1008-1194(2012)04-0015-05
作者:
?陈思;?赵惠昌;?郭长勇
南京理工大学电光学院,江苏 南京210094
Author(s):
CHEN Si;?ZHAO Huichang;?GUO Changyong
Department of Electronic Engineering and Optoelectronic Technology,NUST,Nanjing 210094,China
关键词:
引信;?模糊函数;?DSP;?连续波线性调频信号;?信号处理
Keywords:
fuze;?ambiguity function;?DSP;?LFMCW fuze;?signal processing
分类号:
TJ434.1
DOI:
.
文献标志码:
A
摘要:
针对调频引信信号特征参数提取方法的抗噪声性能差及工程实现难度大的问题,提出了一种基于高速定点DSP的无线电引信信号特征参数的提取方法。该方法首先在DSP中对截获到的引信信号进行周期提取并将其长度补零至2m点,然后对处理后的信号进行二维自相关变换,最后结合信号本身的特性,在相关域提取出信号的调制参数。仿真与测试结果表明,在不依赖于任何先验信息的条件下,该方法能够精确地提取出锯齿线性调频连续波引信信号的调制参数,且具有较强的抗噪声性能。完成的系统具有高的可靠性和实时性。
Abstract:

In order to solve the problems of poor anti-noise ability and it is difficult to realize parameters extraction of

FM fuze signal,a parameters extraction method for radio fuze signal based on high speed fixed DSP was proposed in this

paper.Firstly,in the DSP,this method picked up periods signal from the received signal and made its length to padding

zeros;then two-dimensional autocorrelation transformation was completed for the processed signal;finally, according to the

characteristic of fuze signal itself,the characteristic parameter was extracted on ambiguity function.The simulation and test

results showed that the characteristic parameters of LFMCW could be estimated accurately,and the method had good anti-noise ability which needs no prior information,high reliability and real-time property.

参考文献/References:

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备注/Memo

备注/Memo:
*收稿日期:2012-03-25
基金项目:国家部委基金项目资助(9140A05040510BQ0201)
作者简介:陈思(1988-),男,安徽宣城人,博士研究生,研究方向:电子对抗技术。E-mail:chensi924@163.com
更新日期/Last Update: 2012-09-20