联合时频分析,joint time-frequency analysis
1)joint time-frequency analysis联合时频分析
1.Application ofjoint time-frequency analysis to electrical signals of CO_2 arc welding;应用联合时频分析研究CO_2焊接过程中的电信号
2.And in this process thejoint time-frequency analysis is used to expand one-dimension magnetic time domain signals into two-dimension plane of time-frequency.用联合时频分析方法将一维磁场时域信号扩展到时间—频率的二维平面,通过Wigner-Ville分布的时频平面对铝合金点焊过程中感应磁场信号进行分析,联合时频分析可以更直观地剖析点焊熔核成形的能量分布信息,使点焊质量在线监测成为可能。
3.A comparatively new method ofjoint time-frequency analysis is introduced in this paper.介绍了一种相对较新的联合时频分析方法——S-变换法,并利用S-变换对水中目标信号的相位特征和局部谱进行提取。
英文短句/例句
1.Research on Microwave Imaging Technology Based on Joint Time-Frequency Analysis基于联合时频分析的微波成像技术研究
2.United time-frequency analysis for background sounds of CVR飞机舱音记录器背景声信息的联合时频分析
3.United time-frequency analysis for background sounds of cockpit voice recorder飞机舱音记录器背景声的联合时频分析研究
4.The Research of Some Problems in Nonstationary Signals Time-Frequency Joint Analysis Methods and Application;非平稳信号联合时频分析方法的若干问题研究与应用
5.Application of Joint Time-Frequency Analysis Method in Parameter Identification;时频联合分析方法在参数识别中的应用
6.A method for harmonic current detecting in power system based on wavelet transform is proposed.小波变换是一种变分辨率的时频联合分析方法，可以对时域和频域信号进行精确地分析。
7.A Novel Dual Mode Time-Sharing Cascaded Sinusoidal Inverter新型级联式分时复合高频DC/AC逆变器
8.Research on Video Object Segmentation Based on Spatio-Temporal Information基于时空联合的视频对象分割技术研究
9.350kHz Frequency-type IGBT Time-Sharing-Density Control Series Resonant Inverter350kHz倍频式IGBT分时—密度复合控制串联谐振逆变器
10.An InISAR 3-D Imaging Method Based on Joint Cross-Time-Frequency Distribution基于联合互时频分布的InISAR三维成像方法
11.Research on a Combination of Time-domain & Frequency-domain Analysis Method to Power Quality;电能质量的时频域综合分析方法研究
12.Therapeutic Effect of Radiofrequency Ablation (RFA) Combined with Systemic Chemotherapy for Patients with Colorectal Liver Metastases;射频联合化疗治疗结直肠癌肝转移的疗效分析
13.Performance analysis of cooperative spectrum detection under correlated decision判决相关条件下联合频谱检测的性能分析
bined analysis method of flash electroretinogram in domains of time and frequency to evaluate retinal functions of chronic ocular hypertension rat models闪光视网膜电图时域、频域联合分析评价慢性高眼压模型大鼠的视网膜功能
15.Blind Source Separation Algorithm for Convolutive Mixtures Based on Time-Frequency Analysis一个用于卷积混合模型的时频分析盲分离算法
16.Synthetic waveforms of the acoustic field in cased boreholesand their time-frequency distribution套管井声场合成波形及其时频特征分析
17.Research on time-frequency analysis in non destructive testing for laminated composite material时频分析在复合材料无损检测中的应用研究
18.A Method for Time-frequency Comprehensive Analysis of Rolling Element Bearing Faults一种滚动轴承故障特征的时频综合分析法
相关短句/例句
joint time frequency analysis联合时频分析
1.Based on the LabVIEW platform,we have studied the distribution situation of the signal energy by thejoint time frequency analysis method.在LabVIEW平台的基础上,研究了利用联合时频分析(JTFA)方法来分析信号的能量分布情况。
2.The angular rate signal was processed by usingjoint time frequency analysis algorithm.利用联合时频分析方法分析了振动角速率信号 ,确定了发射状态的不同时刻定向器束的振动频
3.Based on conventional methods, this thesis shows a new method based on thejoint time frequency analysis.本文在传统方法的基础上,提出了一种新的基于联合时频分析的故障诊断方法。
3)Joint time-frequency analysis联合时-频分析
4)JTFA时-频联合分析
1.Primary Study on Processing Salinity Data UsingJTFA;海水表层盐度数据的时-频联合分析初探
2.PROCESSING RESIDUAL FLOW DATA USINGJTFA;用时-频联合分析法处理余流数据
5)Time-frequency analysis时频联合分析
6)Joint Time Frequency Analysis (JTFA)联合时频分析(JTFA)
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 circuitsdongto}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
