1) threshold method of wavelet transform

小波阀值法
1.
To solve some problems of conventional GM-AGC system,a new AGC system based on adaptive threshold method of wavelet transform was developed with characteristic of time domain and frequency domain localization of multi-scale wavelet transform analysis.
针对常规的压力AGC系统存在的问题,利用小波变换的多尺度分析具有很好的时域和频域局部化的特性,开发了一种基于自适应小波阀值法的AGC系统。
2) wavelet thresholding method

小波阈值法
1.
Translation-invariant de-noising of electrocardiogram signal based on improved wavelet thresholding method;
基于改进小波阈值法的平移不变心电信号去噪
3) Wavelet soft thresholding

小波软阈值法
1.
A wavelet soft thresholding kernel partial least squares (WSTKPLS) method was developed to perform simultaneous quantitative analysis of the mixture of o-dihydroxybenzene, m-dihydroxybenzene, p-dihydroxybenzene and phenol with overlapping spectra.
结合小波软阈值法和核心偏最小二乘法改进回归质量。
2.
The white noise is removed in the functions by wavelet soft thresholding, The results showed that noise is removed as well as the feature of the function is kept by Wavelet Soft Thresholding, The method is better.
利用小波软阈值法对加入一维图像的白色噪音进行除噪。
3.
The statistical noise was removed in SPECT images by wavelet soft thresholding,The results showed that noise in images was removed as well as the feature of the SPECT image was kept by Wavelet Soft Thresholding.
利用小波软阈值法对加入统计噪音的SPECT图像除去噪音。
4) wavelet interpolation Galerkin method

小波插值Galerkin法
1.
This paper develops a wavelet interpolation Galerkin method (WIGM) for solutions of the boundary value problems in 2D Static Electromagnetic field, which is based on the use of the autocorrelation functions of Daubechies s compactly supported wavelets.
小波插值Galerkin法 (WIGM )是基于具有紧支撑的Daubechies小波函数的自相关函数。
5) wavelet-numerical algorithm

小波数值算法
6) the Method of Wavelet Threshold

小波门槛值法
补充资料:溢流阀、顺序阀、减压阀的比较
溢流阀 | 减压阀 | 顺序阀 | ||
控制油路的特点 | 通过调整弹簧的压力控制进油路的压力,保证进口压力恒定,p2=0 | 通过调整弹簧的压力控制出油口的压力,保证出口压力p2稳定 | 直控式-通过调定调压弹簧的压力控制进油路压力;夜控式-由单独油路控制压力 | |
出油口情况 | 出油口与油箱相连 | 出油口与减压回路相连 | 出油口与工作回路相连 | |
泄漏形式 | 内泄式 | 外泄式 | 内泄式 | |
进油口状态及压力值 | 常态 | 常闭(原始状态) | 常开(原始状态) | 常闭(原始状态) |
工作状态 | 进出油口相通,进油口压力为调整压力 | 进油口压力低于出油口压力,出油口压力稳定在调定值上 | 进出油口相通,进油口压力允许继续升高 | |
联接方式 | 并联 | 串联 | 实现顺序动作式串联作卸荷阀用时并联 | |
功用 | 定压、溢流或安全作用限压、稳压、保压 | 减压、稳压 | 不控制系统的压力,只利用系统的压力变化控制油路的通断 | |
进油腔压力p1控制阀芯移动 | 出油腔压力p2控制阀芯移动 | 进油腔压力p1控制阀芯移动 |
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