1) time-frequency characteristics
时频特性
1.
Study on time-frequency characteristics of pressure wave of fuel injection system under condition of two-phase flow;
两相流条件下的喷油系统中压力波时频特性的研究
2.
In research of pressure wave of fuel injection system of diesel engine,with Wigner-Ville distribution,the time-frequency characteristics of pressure wave in fuel injection system of a diesel engine under condition of liquid-gas tow-phase flow was analyzed.
在柴油机喷油系统压力波的研究中,采用Wigner-Ville分布算法,对液-汽两相流条件下的柴油机喷油系统压力波的时频特性进行了分析,并与采用小波函数分析得到的结果进行了对比。
3.
Based on the time-frequency characteristics and signal edge detection of wavelet transform, the output signals of sensitive elements are decomposed in six layers by adopting db5 wavelet.
根据小波变换的时频特性和信号边沿检测的原理 ,采用小波 db5对敏感器的输出信号直接进行六层分解 ,并在相应分解层上进行重构 ,根据重构的信号对余度敏感器结构进行故障检测、定位和隔离。
2) time-frequency characteristic
时频特性
1.
The optimized high-frequency expanding technique can basically possess of seismic data original SNR,relative amplitude relation and time-frequency characteristics during the resolution improving.
优化高频拓展技术在提高分辨率的同时基本保持地震数据原有的信噪比,并且可以保持地震数据相对振幅关系和时频特性,做到真正的保真处理,为精细薄互煤层分析提供可信的高质量地震数据。
3) time frequency characteristics
时频特性
1.
Compared to FFT frequency spectrogram, the result of computer simulation states that wavelet mean square spectrum has better time frequency characteristics with multi resolution analysis and lower sensitivity to the noises, which makes it better depress the noises.
计算仿真结果与FFT频谱图相比较 ,表明小波均方谱具有良好的时频特性 ,即有多分辨率分析的能力 ,并且能良好地抑制噪
4) time frequency character
时频特性
1.
This paper suggests a new filter function and gives the estimates of CBP,and the analysis of the time frequency character.
本文建议一种新型滤波函数 ,给出了用它作CT重建的误差估计 ,分析了该滤波函数的时频特性 ,并用来作局部重建 。
5) time-frequency characteristic
时-频特性
6) wavelet time frequency feature
小波时频特性
补充资料：幅频特性
分子式：
CAS号：
性质： 在复平面上以频率特性G(jω)幅值为纵坐标，频率为横坐标的图称为幅频特性。又称尼柯尔斯图。
CAS号：
性质： 在复平面上以频率特性G(jω)幅值为纵坐标，频率为横坐标的图称为幅频特性。又称尼柯尔斯图。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条