Wavelet soft-threshold de-noising method was applied to preprocess the noisy signal, and the noise interference in disturbance detection was reduced to a great extent.
采用小波软阈值去噪方法对信号噪声进行预处理，很大程度地减小了噪声对扰动检测的干扰。
This paper studies the technology of speckle noise suppressing and proposes two new methods. The first one is to enhance wavelet soft-threshold for speckle noise suppressing (1).
研究了相干斑噪声抑制技术，提出了（1）增强小波软阈值相干斑噪声抑制方法。
To improve the clarity of CT image, and reduce the disadvantageous affect of the artifact, the article proposes a method of reducing CT image artifact based on wavelet soft threshold.
了提高CT图像的清晰度，降低伪影对医生诊断的不利影响，文章提出了一种基于小波变换和软阈值法的CT图像伪影消除方法。
The method of threshold in deleting noise has two kinds of ways. One of them is hard one and the other is soft. The main idea is based on the processing method of the wavelet coefficients.
小波阈值去噪分为硬阈值去噪和软阈值去噪，它们的去噪思想都是在小波分解后的各层系数中，对模大于和小于某个阈值的系数分别进行处理。
As for the stable stochastic noise component linearly superposed on the median series, it is smoothed by means of the default soft threshold wavelet de-noising.
对线性叠加在中值系列中的平稳随机噪声，用默认软阈值小波消噪平滑中值序列中的随机噪声分量。
Motivated by finding a more general case that incorporates the soft and hard threshold to achieve a compromise between them, wavelet de-noise based on trimmed threshold was presented.
为了能在软硬阈值两种方法结合之间找到折衷的方法，提出了一种平衡阈值处理方法。
Aiming at the disadvantages of traditional soft and hard threshold methods for wavelet threshold denoising, the new developed extracting threshold denoising method is proposed.
针对小波阈值去噪方法中传统软硬阈值法各自存在的缺点，提出了开方法阈值去噪法。
This paper introduces the application of wavelet transformation in speech signal denoising, describes in detail the method of soft threshold and hard threshold and points out their disadvantages.
研究了基于小波变换的语音去噪问题，在对传统阈值法去噪和语音特性分析基础上，提出一种改进的多阈值法语音信号去噪方法。
This paper introduces the application of wavelet transformation in speech signal denoising, describes in detail the method of soft threshold and hard threshold and points out their disadvantages.
研究了基于小波变换的语音去噪问题，在对传统阈值法去噪和语音特性分析基础上，提出一种改进的多阈值法语音信号去噪方法。
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