数字测频算法研究综述
수자측빈산법연구종술
The study of digital instantaneous frequency measurement algorithm
  • 万方数据
    微型机与应用 미형궤여응용
    MICROCOMPUTER & ITS APPLICATIONS
    2010年 7期 1-5,9 ,共6页

    周晓青%李合生%陶荣辉%蔡英武

    주효청%리합생%도영휘%채영무

    数字测频%直接计数法%相位推算法%频率推算法%傅里叶变换法%谱估计 數字測頻%直接計數法%相位推算法%頻率推算法%傅裏葉變換法%譜估計
    수자측빈%직접계수법%상위추산법%빈솔추산법%부리협변환법%보고계
    digital instantaneous frequency measurement%digital counting%phase deduction%frequency deduction%Fouriertransform%spectrum estimation
    介绍了目前比较常用的几种数字测频算法及其基本原理,并对其中的直接计数法、相位推算法、频率推算法、傅里叶变换法及谱估计等方法进行了MATLAB仿真研究.总结了各种算法的主要优缺点,为设计者选取合适的算法进行工程应用提供了参考.
    개소료목전비교상용적궤충수자측빈산법급기기본원리,병대기중적직접계수법、상위추산법、빈솔추산법、부리협변환법급보고계등방법진행료MATLAB방진연구.총결료각충산법적주요우결점,위설계자선취합괄적산법진행공정응용제공료삼고.
    Several important algorithms for digital instantaneous frequency measurement including digital counting, phase deduction, frequency deduction, fourier transform and spectrum estimation are introduced. All these methods are analyzed and simulated in MATLAB. The advantages and disadvantages are summarized based on the simulation results. The main purpose for this work is to provide efficient reference for engineers.
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