time frequency filtering是什么意思

网络释义

用法例句

A Method of Instantaneous Frequency Domain Filtering Based on HHT

基于希尔伯特谱的瞬时频率滤波方法

Instantaneous frequency identification of a structure based on complex wavelet transform

基于复小波变换的结构瞬时频率识别

Measurement of Frequency by Wavelet Packet Transform Base on DSP

一种基于DSP的小波包变换对瞬时频率的测量

mixer-filter frequency synthesizer

混频滤波式频率合成器

Frequency modulation(FM): the form of modulation in which the frequency of the carrier is varied in accordance with the instantaneous value of the modulating signal.

频率调制:载波的频率依照调校讯号的瞬时值而改变的一种调制。

Applications of the Low-pass Filter in Harmonic Detection Based on Instantaneous Power Theory

瞬时无功功率理论谐波检测中低通滤波器的应用

Instantaneous reactive power theory harmonic detection method based on improved lowpass filter

改进低通滤波器的瞬时无功功率谐波电流检测方法

Research on the Parallel Hybrid Active Power Filter Based on the Instantaneous Reactive Power Theory;

基于瞬时无功功率理论的并联混合有源电力滤波器的研究

Study on Three-level Active Power Filter with Instantaneous Reactive Power Theory and One-Cycle Control;

基于瞬时无功功率理论的单周控制三电平有源电力滤波器研究

Reasearch on the Single-phase Shunt Hybird Active Power Filter Based on the Instantaneous Reactive Power Theory

基于瞬时无功功率的单相并联混合有源滤波器的研究

Research on Digitalization of Second Generation Instantaneous Reactive Power Theory of Shunt Active Power Filters

基于瞬时无功功率理论的改进型有源电力滤波器的数字化研究

Improved method of instantaneous frequency estimation based on wavelet ridge

基于改进小波脊提取算法的数字信号瞬时频率估计方法

Harmonic Current Real-Time Detection Methods for Active Power Filter Based on Instantaneous Power Theory of Single-Phase Circuit

基于单相电路瞬时功率理论的有源电力滤波器谐波电流实时检测方法

Instantaneous reactive power theory based improved harmonic current detecting method and its digital low-pass filter optimized design

基于瞬时无功功率理论的谐波电流检测改进方法及其数字低通滤波器的优化设计

Instantaneous frequency rate estimation of multicomponent two-dimensional chirp signals

多分量二维线性调频信号瞬时频率变化率估计

The Research of Instantaneous Harmonic Detecting Method and the Simulation of the Active Power Filter;

有源电力滤波器瞬时谐波检测方法的综合研究

Instantaneous Frequency Estimation Based on Adaptive Time-Frequency Distribution

基于自适应时频分布的瞬时频率估计算法

Signal Detection and its Instantaneous Frequency Estimation Based on Hybrid Time-frequency Representations

基于混合时-频分布的信号检测与瞬时频率估计