Firstly the estimation of instantaneous frequency is discussed.
首先是瞬时频率的估计问题。
参考来源 - 基于连续小波变换的水下信号处理技术研究A new STFT_Viterbi algorithm fit(STFT_VF) method is proposed that can estimate such instantaneous frequency of vibration signal of rotating machinery.
针对旋转机械升降速阶段振动信号的特点,提出一种新的旋转机械升降速阶段振动信号瞬时频率估计算法——STFT Viterbi拟合法(STFT_Viterbi algorithm fit,STFT_VF)。
参考来源 - 一种新的旋转机械升降速阶段振动信号的瞬时频率估计算法·2,447,543篇论文数据,部分数据来源于NoteExpress
Firstly the estimation of instantaneous frequency is discussed.
首先是瞬时频率的估计问题。
The local energy and instantaneous frequency of the signal can be derived from the IMFs.
信号的局部能量和瞬时频率都可以从其本征模函数中推导出来。
Instantaneous frequency measurement (DIFM) receiver is one of important component part of EW system.
瞬时测频接收机是电子战系统的重要组成部分之一。
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