噪声调频信号的仿真技术  

Simulation Technology of Noise Frequency Modulation Signal

作　　者：游敬云[1,2] 刘娟[1,2] 

机构地区：[1]通信信息控制和安全技术重点实验室,嘉兴314033 [2]中国电子科技集团公司第36研究所,嘉兴314033

出　　处：《舰船电子对抗》2014年第6期73-76,共4页Shipboard Electronic Countermeasure

摘　　要：基于噪声调频的原理,主要分析了噪声调频信号中的多目标、等间隔谱和不等间隔谱信号的建模方法,给出了各种噪声调频信号的时域表达式,利用MATLAB对以上模型进行了仿真,进而得到了它们的频谱图。最后根据频谱图,探讨了各种噪声调频信号的特点。In this paper,modeling methods for multi-target,equal interval spectrum signal and unequal interval spectrum signal are mainly analyzed based on the principle of noise frequency modulation,furthermore,the expressions in time domain for various noise frequency modulation signals（NFMS）are given,and the simulation is performed by using MATLAB to models mentioned as above in order to obtain their spectrograms.Finally,features of various NFMS are discussed according to the corresponding spectrograms.

关 键 词：噪声调频信号 仿真 频谱 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]