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- vector wiener filter 矢量维纳滤波器
- But the Wiener filter is optimal for any space in the sense of MSE. 但是对于任意信号 ,在MSE意义上最优的信号估计是Wiener滤波器。
- The frequency response of the Wiener filter isderived through minimisation of mean square error in the frequencydomain. 熏肉香肠过滤器的频率特性是获得通过均方错误的低估在频率领域。
- In this paper the Multi-Stage Wiener Filter (MSWF) is presented for the DOA estimation of ocean currents. 该文提出基于多级维纳滤波(MSWF)降维技术的海面洋流方位估计方法。
- In order to highlight the essential features of the Wiener filter it has been necessary to simplify the design problem, as much as possible. 为了突出维纳滤波器的主要特点，已尽可能地简化了设计问题。
- 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。
- Classical algorithms of image restoration include the inverse filter, wiener filter, constrained least squares filter and so on. 经典图像恢复方法包括逆滤波、维纳滤波、约束最小二乘等等。
- At first, the de-noising pretreatment was carried out for image signal through the transcendental Wiener filter in wavelet field. 先通过小波域上的先验维纳滤波器对图像信号进行去噪预处理。
- The underwater blurry images based on the measured MTF by using the Wiener filter and Kalman filter are restored and the results are satisfi ctory.The b... 结果表明 ,利用计算机采用一定的算法对散射性质已知的水体造成的图象模糊可以进行有效的复原 ,且良好效果。
- The simulation experiment shows the wiener filter tan extract signal from ground penetrating radar effectively, and improve signal to noise ratio remarkably. 实验表明，该滤波器能有效提取探地雷达有用信号，显著地提高信噪比。
- In this paper, the control method of combination of Wiener filter and Minimal variance prediction is discussed. It is applied to situate that Wiener filter control or Minimal variance control is difficult to be realized by oneself. 本文讨论了维纳滤波和最小方差予报相结合的控制方法,是针对单独的最小方差控制或维纳滤波控制都遇到困难的情况。
- In the new m ethod, the traditional Wiener filter is used at first to obtain the initial esti mate of the target image, based on which the spectral densities of the target im age and noise image are estimated. 在改进的方法中 ,首先采用传统维纳滤波方法求得初始估值 ,然后利用该初始值求得原图像及噪声的谱密度估值 ,进而利用这些新获得的信息构成改进的维纳滤波器对退化图像进行第二次滤波。
- Analyses and simulation results show that the algorithm improves performance better than wiener filter for the still image and CCD video image,especially,the PSNR being improved remarkably. 利用图像小波系数空间相关性可以有效去除图像噪声的特点,将小波局部阈值放大法和兼顾软、硬阈值优点的半软阈值函数相结合,进行静态图像和CCD视频图像去噪。
- After that, the method and the process of processing directionalet coefficients with Wiener filtering are given. 修正了多方向框架，给出了维纳滤波处理方向小波系数的方法及过程。
- The principles of Wiener filtering are introduced and the basic effect of wiener filtering is realized. 摘要通过对维纳滤波的介绍，实现了基本维纳滤波效果；
- Semi-blind defocused image restoration with neural network and wiener filtering[J]. 引用该论文 李征;苏理云;马洪;琚生根;杨舰.
- The experiment result shows that the method is available and efficient, and the enhancement result is better than the Wiener filtering. 实验表明，该算法是可行的和有效的，并且优于Wiener滤波的效果
- The post-processing can be carried out by adaptive Wiener filtering followed subband hard threshold in contourlet domain. 并在轮廓波域进行子带硬阈值处理之后，使用自适应维纳滤波进行后处理。
- It is pointed out that a thresholding operation before Wiener filtering can effectively improve the performance of Wiener filtering. 指出在进行维纳滤波之前，阈值化处理可以有效提高维纳滤波的性能。
- The method cut down the influence of the noises to the estimate of the parameter of Wiener filtering by meaning filtering first. 该算法首先通过均值滤波去除噪声从而减小噪声在维纳滤波参数估计的影响；
