An improved de-noising arithmetic is put forward by combining the new threshold function and translation invariant wavelet de-noising method .

将这种新的 阈值 函数与平移不变小波去噪法结合起来，提出了一种基于平移不变小波去噪的改进算法。

Research of wavelet de-noising method based on new threshold function in UWB signal detection

超宽带信号检测中基于新 阈值 函数的小波去噪方法研究

A Filtering Algorithm of Optimal Threshold Function Based on Spatial Correlation and Its Virtual Realization

基于空域相关的优化 阈值 函数滤波算法及其虚拟实现

Wavelet Denoising Based on Energy Threshold Function for Underwater Acoustic Multi-path Signals Analysis

基于能量 阈值 函数的水声多径信号小波去噪分析

We address this dilemma by introducing a gradual minimum support threshold function .

针对这样一个问题，提出了渐增最小支持 度 函数作为 误差 参数。

Translation-Invariant De-noising of Body Fluttering Signal Based on Improved Threshold Function

基于改进 阈值 函数的体震信号平移不变去噪

A continuous thresholding function is presented that combined with the characteristics of soft and hard threshold function .

结合软、硬 阈值 函数的特点，构造了连续的阈值函数。

The experiment results show that the de-noised image which used the new threshold function has the higher PSNR and better visual quality .

实验结果表明，利用新 阈值 函数去噪后的图像峰值信噪比明显提高，视觉效果也有较大程度的改善。

Methods : Filtering different noises in ECG signals by adopting threshold function of soft-and-hard threshold tradeoff and self-adapting threshold policies .

方法：采用软、硬阈值折衷的 阈值 函数及自适应的阈值策略对心电信号中的不同噪声进行滤除。

Combining 3 σ criterion and the different decomposition level a variable threshold function is adopted .

同时，结合3σ准则和不同的分解尺度，采用了可变 阈值 选取 规则。

This paper analysis the selecting of the important parameters of the threshold function and the threshold value and it offers a self-adaptive threshold filtering algorithm .

详细分析了 阈值 函数和阈值等重要参数的选取，给出了一种自适应阈值去噪算法，该方法根据 噪声在 小波 变换下的特性，自适应 确定 小波阈值 函数。

A New Threshold Function De-Noising Method Based on Wavelet Transform

基于小波变换的新 阈值 函数去噪方法

An Improved Threshold Function at One-dimensional Signal Denoising

一种改进 阈值 函数在一维信号去噪中的应用

The function family with the adjustable parameters is close to Donoho soft threshold function and has continuous derivative .

该函数族具有可调参数，可更接近于Donoho提出的最优软 阈值 函数，连续并具有无穷阶导数，便于自适应寻求最优阈值。

To compensate for the deficiencies of traditional threshold functions and obtain the heart sound with high SNR for better analysis a novel threshold function was proposed in this study .

为了弥补传统阈值函数在消噪过程中存在的不足，得到高信噪比的心音信号更好地进行心音分析，本文提出一种新的 阈值 函数。

At present widely used in practice is the hard and soft threshold function threshold function .

目前，在实际中广泛使用的是硬 阈值 函数和软阈值函数。

Propose a masking threshold function based on human auditory .

提出了基于人耳听觉掩蔽效应的 阈值 函数方法。

The results indicated that the new threshold function could better reserve the characteristics of heart sounds eliminate noise effectively and was of strong practical value .

结果表明，新 阈值 函数能有效地消除噪声和保留心音信号的特征，具有较强的实用价值。

Threshold function reflects the different treatment strategies wavelet coefficients the effect of wavelet de-noising has a great influence .

阈值 函数体现了对小波系数的不同处理策略，对小波去噪的效果有很大影响。

Both the dual and complement of such functions are also threshold function .

一个阈 函数的对偶 函数及反函数也是一个 阈 函数。

In this paper after analysing the soft threshold function the smoothness threshold function is proposed by modifying the soft threshold function .

模极大值序列的改进方法是对模极大值序列进行软阈值处理，由于软 阈值 函数是连续的，所以降噪信号会更加光滑。

The de-noising effect of the wavelet threshold de-noising method is related to the wavelet threshold function and the threshold value selection . The different threshold function and the combination of the threshold choice have different effect for de-noising effectiveness .

但小波阈值去噪法的去噪效果与小波 阈值 函数和阈值的选择有关，不同阈值函数和阈值的选择组合对去噪效果产生的影响不同。

Using Bivariate Threshold Function for Image Denoising in NSCT Domain

基于双变量 阈值的非下采样 Contourlet变换图像去噪

An operation performed on operands in order to obtain the value of a threshold function .

为了达到 阈值而在操作数上进行的操作。

It is simple in expression and avoids the discontinuity of hard - threshold function .

函数的表达式简单，避免了硬 阈值 函数的不连续性；

Appropriate threshold and threshold function should be selected to fit the signal process goal when the method is applied .

指出实际应用时要根据具体的信号处理目标来选择合适的阈值和 阈值 函数。

The selection of threshold function and determination of decomposition level are two key steps in threshold-based nonlinear filtering by wavelet transform .

阈值 函数选择和分解尺度确定是基于阈值的小波域非线性滤波的两个关键步骤。

Speech Enhancement Algorithm Based on a Modified Threshold Function

基于改进 阈值 函数 的 小波 包语音增强算法的研究

In this paper a new threshold function is proposed based on soft and hard threshold function .

本文在软、硬阈值函数的基础上，提出了一个新的 阈值 函数。

Comparing with conventional soft and hard threshold function the basic principle of this new threshold function is introduced and the algorithms are deduced .

对比传统的硬 阈值、软 阈值 去 噪算法，介绍了新阈值函数的原理，推导了算法公式。