| 频率估计的时频分析方法研究 |
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| 引用本文： | 郭振,郭建涛.频率估计的时频分析方法研究[J].电子设计工程,2011,19(12):108-111. |
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| 作者姓名： | 郭振 郭建涛 |
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| 作者单位： | 1. 信阳师范学院计算机与信息技术学院,河南信阳,464000
2. 信阳师范学院物理电子工程学院,河南信阳,464000 |
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| 摘 要： | 时间和频率是信号处理与分析中最重要的两个变量,时频分析技术力求在计算复杂性和时频分辨率之间找到最佳平衡点,利用时频分析研究瞬时频率估计及各种方法的性能具有重要意义。本文阐述了瞬时频率时频分析理论研究和应用发展概况,并给出了几种典型的瞬时频率估计算法及其性能评价。
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| 关 键 词： | 信号处理 瞬时频率 信噪比 频率估计 |
Study of time frequency analysis methods for frequency estimation |
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| GUO Zhen,GUO Jian-tao.Study of time frequency analysis methods for frequency estimation[J].Electronic Design Engineering,2011,19(12):108-111. |
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| Authors: | GUO Zhen GUO Jian-tao |
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| Affiliation: | 1.School of Computer and Information Technology,Xinyang Normal University,Xinyang 464000,China; 2.School of Physics and Electronic Engineering,Xinyang Normal University,Xinyang 464000,China) |
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| Abstract: | Time and frequency are the most important variables in signal analysis and procession.Time-frequency analysis techniques seek to find the best balance between computational complexity and time-frequency resolution.It is important to use time-frequency analysis to study instantaneous frequency estimation and the performance of each method.This article elaborates the general situation of the theoretical research as well as the application development of instantaneous frequency and time-frequency analysis.Besides,it also gives several typical algorithms of instantaneous frequency estimate and their performance evaluation. |
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| Keywords: | signal processing instantaneous frequency SNR frequency estimation |
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