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- wavelet threshold denosing 小波阚值去噪
- A wavelet threshold denoising algorithm is effective for denoising the white noise in image. 摘要小波阈值去噪算法是去除图像信号中白噪声的有效算法。
- The numerical experiments are made between the Wavelet Threshold De-noise（WTD） and the adaptive method based on EMD. 通过数值仿真,比较了提出的算法与小波域阈值去噪的性能。
- Methods:First,the method of wavelet threshold de-noising was applied to de-noise the EEG. 方法:首先采用小波软门限法去除脑电中的噪声,然后使用扩展独立分量分析算法去除脑电信号中的心电干扰。
- When the wavelet basis is bior 6.8 and the threshold method is sqwtolog,the effect of denoise quality with wavelet threshold method is the best one. 当小波基为bior 6.;8;sqtwolog阈值规则时;其消噪效果最优
- A multi-scale threshold method in accordance with fixed wavelet threshold, and an improved method on wavelet wiener filter were proposed. 摘要针对固定小波阈值提出了多尺度阈值方法，对小波维纳滤波提出了改进方法。
- Wavelet packet is used for noise speech decomposition,which is better than the traditional orthogonal wavelet threshold de-noising method. 采用小波包对含噪语音进行分解,克服了传统的正交小波变换的缺陷。
- Based on the theory of wavelet analysis combined with wavelet threshold denoising algorithm, an effective method for separating noise is presented. 摘要介绍了以小波分析理论为基础，结合小波阈值去噪算法找到一种有效的噪声分离方法。
- Based on the above, an improved integer wavelet threshold compression algorithm was proposed and realized on ARM9 using EVC. 在此基础上提出了一种改进的整数小波阈值压缩算法，在ARM9上利用EVC予以实现。
- A new algorithm based on wavelet threshold de-noising for GPS/INS is presented to improve the precision of integrated navigation. 在GPS/INS组合导航自适应滤波的基础之上，提出利用小波进行阈值消噪以提高组合导航精度。
- The experiment based on the new measure shows that the new method can suppress heavy-tailed noise effectively,and it is more robust than classic wavelet threshold. 基卜提出的准则,通过实验比较了小波阈值方法与中值滤波一小波消噪方法的消噪效果,结果表明所提出的方法能更好的消除拖尾噪声,具有较好的鲁棒性。
- The method of nonlinear wavelet threshold denoising can estimate the useful signal from the noisy so as to improve the resolving power and signal-to-noise ratio. 用非线性小波阈值的方法去除噪声，使有用信号能从噪声中检测出来，提高信号的分辨率、信噪比。
- Statistics characters of the noises that filtered by wavelet threshold method and 21-point average method show that they are independent distribution and similar to Gauss distribution. 通过对滤除噪声的特性分析发现;小波方法和21点平均法滤除的噪声具有独立分布特性;且类似高斯分布.
- To avoid the signal distortion aroused by the incorrect selection of threshold, it applies fuzzy theory into wavelet threshold denoising method, which uses two membership functions to construct two fuzzy threshold denoising methods. 为了避免由于阈值选取不当造成信号失真,将模糊理论引入到小波阈值去噪中,利用两个常用隶属函数构造了两种模糊阈值去噪方法。
- A method of data preprocess using wavelet threshold shrinkage algorithm is presented to remove GPR echo signals' noises and the realization of the circuit based on DSP and software is given. 为此，文中提出了采用小波阈值萎缩进行数据预处理的方法，以去除雷达回波噪声，并给出了基于DSP的电路和软件实现方法。
- In theory of estimation with wavelet thresholding, the threshold adapting data can be calculated by minimum estimation of risk to improve the SNR of estimation. 摘要根据小波阈值估计理论，通过最小化风险的估计，可计算自适应于数据的阈值，提高估计的信噪比。
- The simulation shows that the SNR of estimation is improved evidently using this algorithm in comparison with traditional wavelet thresholding. 仿真结果表明，与传统的小波阈值法相比，该算法明显地提高了估计的SNR。
- wavelet threshold function denoising 小波阈值去嗓
- The key of wavelet thresholding denoise is constructing thresholding function and selecting thresholding,this paper improves from two sides respectively. 小波阈值去噪的关键是阈值函数的构造和阈值的选取,文中从两个方面分别进行改进。
- The cabin has a flat stone for a threshold. 这间小屋用一条扁平的石头做门槛。
