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- 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。
- 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.
- The experimental results demonstrate that this proposed algorithm outperforms the classical wavelet thresholding method and effectively improves the practicability. 实验结果表明,该算法比经典的小波降噪算法具有更好的降噪效果,能有效提高算法的实用性能。
- Application of wavelet threshold method in verification and check of automatic weather station data 小波阈值法在地面气象自动站资料审核中的应用
- Study on signal processing of displacement based on improved wavelet threshold method for connected pipe measurement system 连通管式位移测量系统的小波信号处理研究
- Wavelet threshold method 小波阈值法
- 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。
- Each detail image is first denoised with ridgelet threshold method, and then decomposed with wavelet. 对细节图像进行脊波阈值去噪处理,然后再进行单层小波分解。
- 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。
- The experiment results show that the adaptive threshold method improves the adapt of fractal quadtree coding in wavelet domain. 仿真实验结果表明,这一自适应门限的编码方法提高了小波分形四叉树图像压缩方法的适应性。
- 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 Wavelet Packet Decomposition (WPD) , Entropy Threshold Method (ETM) has been put forward to reject the Discrete Spectrum Interference (DSI) in on-line PD monitoring. 首次提出用于抑制局部放电在线监测中周期性窄带干扰的小波包变换熵阈值法(ETM)。
- 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。
- 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。
- 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。
- 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。
- 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。
- NDVI Ratio Threshold method defines vegetation greenup as the period beginning at the point of the greatest slope. 最大变化斜率方法将NDVI数据斜率角变化最大的点对应的时期作为植物返青期;