2) compromised algorithm between soft-thresholding and hard-thresholding
软硬阈值折中法
1.
In a simulation experiment,a second-order spline wavelet is chosen as wavelet function and a compromised algorithm between soft-thresholding and hard-thresholding and adapting th.
在仿真试验中采用二阶双正交样条小波为小波函数,选用软硬阈值折中法和自适应阈值处理小波系数,结果表明将小波变换应用于在役管线漏磁检测中,能很好地去除噪声,提取出有用信号。
3) compromise model
软硬阈值折衷法
1.
Based on wavelet, there is a new method of singular signal deteting which combines 3σ-rule and compromise model ( between the hard-thresholding and soft-thresholding models).
基于小波变换 ,给出一种结合3σ准则、软硬阈值折衷法的奇异信号小波检测方法。
4) eclectic function of soft and hard thresholding
软硬阈值折衷函数
5) hard threshold
硬阈值
1.
The paper mainly introduce the soft threshold denoising and the hard threshold denoising based on wavelet transform in processing signal,and simulate the result using Matlsab.
本文主要介绍基于小波变换的软阈值和硬阈值在数据处理中的应用,并用Matlab软件进行仿真。
2.
By comparatively analyzing Donoho s hard threshold and soft threshold method,this paper puts forwards a golden section method,which combines the advantages of both methods.
通过分析Donoho硬阈值和软阈值方法的特点,提出了一种黄金分割法,这种方法结合了硬阈值和软阈值方法各自的优点。
3.
Then it is applied to wavelet denoising by the hard threshold.
推导出了经过多次离散小波变换后,白噪声在不同尺度上方差的另外一种表达式,应用到小波域硬阈值滤波中,通过数字仿真发现,二进小波的计算量较大,滤波效果较好,离散小波的计算量较小,滤波效果稍差,并对原因进行了说明。
6) hard-threshold
硬阈值
1.
We reconstructed a new threshold function through an adaptive parameterβto adjust the invariableness windage of the soft-threshold and hard-threshold.
实验证明,新阈值函数不但整体上连续性好而且在克服硬阙值函数的不连续以及软阈值函数在处理较大小波系数时总存在恒定偏差这2个不足的同时,又保留了软、硬阈值函数原有的优点。
2.
An adaptive parameter β is brought forward to reconstruct a new threshold function for adjusting the invariableness windage of the soft-threshold and hard-threshold.
本文提出了一种基于小波分析的改进阈值设定方法,采用一个矫正因子β来构造一个新的阈值函数,调整软硬阈值的恒定偏差。
3.
The new threshold function has many advantages over Donoho s soft-threshold and hard-threshold functions.
与Donoho的软阈值和硬阈值函数相比,这种新的阈值函数有更多的优点:可以实现能量自适应去噪;能够保存图像的边缘信息;函数的表达式简单,避免了硬阈值函数的不连续性;相比软阈值和硬阈值函数,新阈值函数更灵活。
补充资料：软硬兼施
1.利诱﹑威胁﹑拷打等软的和硬的手段同时施展。含贬义。
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