基于时频分析的通信信号处理技术研究  

Research on communication signal processing technology based on time-frequency analysis

作　　者：高伟 安再东 魏尚杰 GAO Wei;AN Zaidong;WEI Shangjie(Shandong Wanbo Technology Co.,Ltd.,Jinan 250000,China)

机构地区：[1]山东万博科技股份有限公司,济南250000

出　　处：《计算机应用文摘》2025年第8期247-248,252,共3页

摘　　要：传统的傅里叶分析虽能揭示信号的频谱特性,但无法反映信号频率随时间变化的动态特征,难以满足现代通信需求。时频分析方法弥补了这一不足,可在时间-频率平面上展示信号能量分布,实现了对信号时变特性的精确刻画。时频分析技术在复杂电磁环境下的抗干扰通信、非平稳信道估计、信号检测与分类等领域显示出独特优势。文章探讨了时频分析的基本概念、通信信号的时频特性及基于时频分析的主要通信信号处理技术,揭示了时频分析在现代通信系统中的应用价值。Although traditional Fourier analysis can reveal the spectral characteristics of signals,it cannot reflect the dynamic characteristics of signal frequency changes over time,making it difficult to meet modern communication needs.The time-frequency analysis method compensates for this deficiency by displaying the energy distribution of the signal on the time-frequency plane,achieving accurate characterization of the timevarying characteristics of the signal.Time frequency analysis technology has shown unique advantages in various fields such as anti-interference communication,non-stationary channel estimation,signal detection and classification in complex electromagnetic environments.This article explores the basic concepts of time-frequency analysis,the time-frequency characteristics of communication signals,and the main communication signal processing techniques based on time-frequency analysis,revealing the application value of time-frequency analysis in modern communication systems.

关 键 词：时频分析 通信信号 技术 

分 类 号：TN914[电子电信—通信与信息系统]