1) joint time-frequency distribution
联合时频分布
1.
Application of joint time-frequency distribution and its attribution.;
联合时频分布及其属性的应用
2) joint cross-time-frequency distribution
联合互时频分布
1.
This method can acquire scatters separation and interferometry at the same time by using joint cross-time-frequency distribution images which are constructed by the signature data acquired from three interferometric antennae,and the cross-term interference in the distribution can then be suppressed efficiently by using Radon transform.
与此不同,本文提出了一种基于联合互时频分布的InISAR三维成像方法,通过构造干涉天线接收回波之间的联合互时频分布,在一次时频变换中能同时实现同一距离单元内各散射点的横向分辨和相位干涉处理,并利用Radon变换有效抑制了互时频分布的交叉项。
3) joint time-frequency analysis
联合时频分析
1.
Application of joint 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 the joint 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 of joint 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。
4) 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 the joint 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 using joint 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 the joint 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。
5) Joint time-frequency analysis
联合时-频分析
6) JTFA
时-频联合分析
1.
Primary Study on Processing Salinity Data Using JTFA;
海水表层盐度数据的时-频联合分析初探
2.
PROCESSING RESIDUAL FLOW DATA USING JTFA;
用时-频联合分析法处理余流数据
补充资料：联合分布
联合分布
joint distribution
联合分布[州成由右七‘叨;eosMec，oe pacnp叭e“e““el 定义在同一概率空间上的多个随机变量的分布.设x，，…，戈是定义在概率空间(pro加bilitysP即e)(Q，.风P)上并分别取值于可测空间(刀℃留幽决sP-ace)(王*，刃*)(l簇k(n)的随机变量·这些随机变量的联合分布是集合B.6、熟，…，B。‘气的函数，定义作 px，，.x，(B，，‘二，B。)=p{Xl CB、，二，xn‘B。}.与联合分布相联系，人们还论及联合分布函数(joint曲tribu石onfu几无on)和联合概率密度(joint pro恤bilitydensity). 如果X，，…，戈是通常的实随机变量，则它们的联合分布是在”维Eudid空间(见多维分布(m阎tl-面优比沁nal曲tribu石on))R”中随机向量(戈，…，戈)的分布.如果X(t)(踌T)是一个随机过程，则对于t.，…，t。‘T，变量X(t:)，.二，X(t。)的联合分布称之为随机过程X(t)的有限维分布.(lhale~djnrnsio侧习dis州butions).
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参考词条