1)time-frequency analysis时-频分析
1.9202 working face across the upper remained coal pillar in Sanhejian Mine,the character of signals caused by different hypocenters had been summarized and abstracted by using the time-frequency analysis method.以三河尖矿9202采面过上覆煤柱高应力区为背景,通过微震信号的时-频分析技术,总结提炼了不同微震信号的重要波形特征。
2.Time-frequency analysis was used to assess changes in the dominant frequency within ECG recorded in dogs during trials of 10-30 s of VF.在19只犬中建立正交心电图和心脏电除颤系统;诱发心室颤动持续10~30 s;使用时-频分析法分析心室颤动时频率的时频变化。
2)time frequency analysis时-频分析
3)time and frequency analysis时频分析
1.The study of time and frequency analysis,feature extraction,source locating and denoising of the original signal is described in detail.在综合描述复合材料声发射信号特征和小波变换基本原理的基础上,本文总结了小波变换在声发射信号分析中的研究进展,并重点描述小波变换对复合材料破坏过程中声发射信号的特征提取、时频分析和信号除噪及声源定位方面的研究,提出了小波变换在声发射信号分析应用中需要进一步解决的问题。
英文短句/例句
1.Parameters Estimation and Time-frequency Analysis of Chirp Signal;线性调频信号的参量估计与时频分析
2.Time-Frequency Analysis of Nonlinear Frequency Modulation Signal and Its Application;非线性调频信号的时频分析及其应用
3.Time-Frequency Analysis on The High Frequency Magnetotelluric Sounding DataEH4高频大地电磁测深数据的时频分析
4.Time-frequency analysis on Wigner-Ville distribution of seismic signal based on time-frequency rearrangement基于时频重排的地震信号Wigner-Ville分布时频分析
5.Method Study of Adaptive Time-frequency Analysis and Time-frequency Attributes Extraction;自适应时频分析及其时频属性提取方法研究
6.Research on the Theory of Multi-Resolutoin Time-Frequency Analysis and the System of Multi-Function Time-Frequency Analyzer多分辨时频分析理论与多功能时频分析系统的研究
7.ISAR Instantaneous Imaging Algorithm Based on Time-freuqency Analysis基于时频分析的ISAR瞬时成像算法
8.Detection and Characteristic Parameters Estimation of Frequency-Hopping Signal Using Time-Frequency Analysis;基于时频分析的跳频信号检测与特征提取
9.System Design of Track FSK Signal Based on Time-Frequency Distribution;基于时频分析技术轨道移频信号接收系统设计
10.Blind Parameter Estimation of FH Signals Based on Time-Frequency Analysis基于时频分析的跳频信号的参数盲估计方法
11.Studies on Time-Frequency Analysis and Target Recognition with Polarimetric Radar;极化雷达时频分析与目标识别的研究
12.Hilbert-Huang Transform and Wavelet Methods for Time-frequency Analysis;时频分析的Hilbert-Huang变换及小波方法
13.Research on ISAR Motion Compensation Methods Based on Time-Frequency Analysis;基于时频分析的ISAR运动补偿方法研究
14.Theroretical Study and Application of Time-Frequency Analysis Method Based on Empirical Mode Decomposition;EMD时频分析方法的理论研究与应用
15.real-time digital spectral analyzer实时数字频谱分析仪
16.real-time digital spectrum analyzer实时数字频谱分析器
17.real-time all-digital spectrum analyzer实时全数字频谱分析仪
18.Elastoplastic TFRS and TFRS Analysis Method for Structural Dynamic Analysis;弹塑性时频反应谱和动力分析的时频反应谱法
相关短句/例句
time frequency analysis时-频分析
3)time and frequency analysis时频分析
1.The study of time and frequency analysis,feature extraction,source locating and denoising of the original signal is described in detail.在综合描述复合材料声发射信号特征和小波变换基本原理的基础上,本文总结了小波变换在声发射信号分析中的研究进展,并重点描述小波变换对复合材料破坏过程中声发射信号的特征提取、时频分析和信号除噪及声源定位方面的研究,提出了小波变换在声发射信号分析应用中需要进一步解决的问题。
4)time-frequency analysis时频分析
1.Comparison between time-frequency analysis methods of yarn signal;纱线信号时频分析方法比较
2.Dynamic signals' time-frequency analysis of resistance spot welding process;电阻点焊过程动态信号的时频分析
3.Study on time-frequency analysis for acousto-ultrasonic testing signal in thin plates;薄板声——超声检测信号的时频分析研究
5)time frequency analysis时频分析
1.Hilbert-Huang transform and time frequency analysis of magnetotelluric signalHilbert-Huang变换与大地电磁信号的时频分析
2.Then we process the real data in the method of the time frequency analysis.时频分析是近年发展起来的一个重要的、新的数学分支 ,目前已成为国际上极为活跃的研究领域。
3.This can satisfy well time frequency analysis of multi graduation characteristic signal.时频分析方法是利用小波变换原理 ,从地震波的时间域和频率域同时对其作出分析。
6)Time-frequency distribution时频分析
1.The development of time-frequency distribution based EEG signal analysis and processing;基于时频分析的EEG信号分析处理方法研究进展
2.Time-frequency distribution application research on rolling bearing fault diagnosis时频分析在轴承故障诊断中的应用研究
延伸阅读
动态电路复频域分析动态电路复频域分析complex frequency-domain analysis of dynamic circuits dongto}dlonlu卞uP一ny日fenx{动态电路复频域分析(eomplex frequeney-domain analysisof dynamie eireuits)用拉普拉斯变换方法分析动态电路。作为数学工具，拉普拉斯变换是一种积分变换，常用以求线性常系数微分方程和偏微分方程的解。线性非时变集总参数动态电路是用常系数线性常微分方程描述的，线性非时变分布参数电路是由相应的偏微分方程描述的。因而，对于这些电路可借助拉普拉斯变换方法进行分析。 拉普拉斯变换的定义拉普拉斯变换方法简称拉氏变换方法。拉氏变换可分为单边拉氏变换和双边拉氏变换。此处只介绍单边拉氏变换的定义。 设时间t的函数f(t)，当t
