维纳滤波

利用维纳滤波进行OFDM信号的信道估计

Using Wiener Filtering Make the Channel Estimation of OFDM Signal

基于Canny算子的小波域维纳滤波去噪方法

Denoising Method via Local Wiener Filtering in Wavelet Domain Based on Canny Operator

基于前置维纳滤波的多用户MIMO系统下行链路线性预编码方法

Linear Precoding for the Downlink of Multiuser MIMO System Based on Leading Wiener Filter

本文重点研究了降维的MUSIC算法、基于Hankel矩阵的MUSIC算法和一次快拍下基于维纳滤波结构的MUSIC算法。

MUSIC algorithms based on dimension reduction , Hankel matrix , Wiener filter structure are focused on study in this paper .

基于DCT与维纳滤波的单通道语音增强算法

DCT and Wiener filter based on approach for speech enhancement using a single microphone

在先验模糊辨识方法的基础上，本文提出了一种根据模糊图像自动估计点扩展函数参数d、θ、R和维纳滤波中的参数k的方法来进行图像恢复。

A new method to estimate the parameters d ,θ, R of Point Spread Function and k of Wiener Filter is brought forward .

时频维纳滤波的LTE信道估计算法

Frequency and time dimension joint Wiener filter based channel estimation algorithm for LTE system

基于维纳滤波和快速独立分量分析的P300提取方法

Extraction Method of P300 Based on Wiener Filtering and Fast Independent Component Analysis

介绍了基于MMSE维纳滤波算法，变换域信道估计算法，以及判决反馈信道估计算法。

Introduce the Wiener filter algorithm base on MMSE , and time domain channel estimation algorithms .

提出了一种提高THzCT二维图像分辨率的处理算法，该算法结合THzCT成像系统的特点，采用维纳滤波去除噪声。

Introduce a high resolution algorithm for THz two-dimensional CT , which takes advantage of Wiener filtering and fits the imaging system of THz CT .

基于高斯混合模型的两级Mel弯曲维纳滤波。

GMM-based two-stage Mel-warped Wiener filter .

最后，对于G序广义Walsh变换和其它几种已知正交变换在维纳滤波中的性能进行了比较和分析。

Finally , the performances of generalized Walsh function in G ordering and several other orthogonal transforms in application of Wiener filter are compared and analyzed .

在预处理中，采用八个方向的Gabor滤波对指纹图像进行滤波，把它与维纳滤波作比较，得了较好的试验结果。

In gabor filter , we use eight directional filtering to process fingerprint image to compare wiener filtering , we get good process result .

本设计实现了三种信道估计算法，包括维纳滤波估计、线性插值估计和基于DFT的估计算法。

Three methods of channel estimation are tried to estimate the channel reponse including Wiener Filtering method , linear insertion method and DFT based mothod .

第五章研究了基于维纳滤波多级分解的宽带DOA快速估计方法。

Technique of fast estimating wideband signals DOA is studied in Charter 5 . Principle of reduce rank based on Multi-Stage Wiener Filter has been construed .

并用实验验证了PSF谱估计方法的有效性，以及带窗的维纳滤波方法相比于标准维纳滤波方法的优越性。

The validity of the PSF estimating method and superiority of windowed Wiener filter over standard Wiener filter are clearly demonstrated by experiments .

之后，便又介绍了维纳滤波算法、奇异值分解算法、变换域滤波算法和时域滤波算法等基于频域导频的OFDM信道估计算法。

After these , some OFDM channel estimation algorithms based frequency-domain pilot are introduced , such as Winer filtering algorithm , singular value decomposition algorithm , transform-domain filtering algorithm and time-domain filtering algorithm .

针对此噪声提出了几种去噪算法，通过MATLAB仿真后，在综合考虑时间和处理效果的前提下，选择中值滤波和维纳滤波做为胶囊图像的预处理。

For these noise , several denoising methods are proposed . By MATLAB simulation , considering the time and in the premise of the treatment effect , select the median filter and Wiener filter as a capsule image preprocessing .

帧内降噪方面，研究了现有的几种降噪方法，如邻域平均法、维纳滤波、高斯滤波、Butterworth滤波等方法，并对这些方法进行了实验。

In respect of intra-frame method , neighborhood average method , Wiener filtering , Gaussian filtering and Butterworth filtering were researched and tested .

在这种方法中，把基于维纳滤波的空域自适应波束形成和传统的相关器相结合，联合捕获PN码和自适应波束形成权值。

In the proposed approach the Wiener filter based adaptive beamforming is incorporated with the conventional correlator to acquire the PN code and the adaptive beamforming weight with the help of the pilot signal .

针对多路延迟数字测频结构，提出了基于多级维纳滤波（MSWF）的MUSIC频率估计方法。

To consider the digital frequency measurement structure of multi-path delay , a MUSIC frequency estimation algorithm based on the multi-stage Wiener filter ( MSWF ) was presented .

基于SAR（合成孔径雷达）图像杂波结构，结合小波变换和自适应维纳滤波提出了一种新的抑制SAR图像相干斑噪声方法，该方法能够较好保留杂波边缘和点目标。

A new method of reducing speckle noise for SAR ( synthetic aperture radar ) image is proposed , which combines wavelet transform and adaptive Wiener filter based SAR image scene heterogeneity . It can better preserve clutter edge and point target .

应用维纳滤波和快速独立分量分析技术（FastICA），提出一种诱发电位（EP）P300分量的少次提取算法。

The single trial extraction algorithm of evoked potentials ( EP ) P300 is presented by combining both Wiener filtering and fast independent component analysis ( FastICA ) .

最小方差维纳滤波控制（MVW）及在自动导引控制中的应用

Minimal variance-wiener filter control ( mvw ) and its application in homing control system

本文作者在工作中对系统PSF参数的选取，最近邻域滤波、维纳滤波和最小二乘滤波中参数的选取上得到了一套完善的经验数据；

In this paper , it has been obtained a set of mature experiences and data on the parameters selected in PSF , Nearest Neighbor , Wiener filter , and Least Square ;

作者首先简要介绍了OFDM的基本原理，重点研究了二维维纳滤波信道估计算法，考虑到算法复杂度和性能之间的折衷，进一步研究了2×1-D维纳滤波信道估计算法。

In this paper , OFDM basic principle was briefly introduced . Then , 2-D Wiener filtering algorithm was emphatically studied . Thirdly , 2 × 1-D Wiener filtering algorithm was studied for the tradeoff between performance and complexity .

通道均衡的时域算法是基于维纳滤波理论和最小二乘理论，文中给出了时域均衡的基本算法，并基于给出的IIR零极点扰动模型进行了仿真。

Channel equalization time-domain-based algorithm is based on Weiner filter theory and Least Squares theory . Basic algorithm of the time domain equalization is presented . And simulation based on IIR mismatch model is given .

匀速运动模糊失真图像的点扩散函数（PSF）为矩形，直接调用MATLAB中点扩散函数的创建函数和维纳滤波图像恢复函数，可实现图像恢复。

In MATLAB , by directly call the created function of point spread function and the Wiener filter image restoration function , image restoration can be realized . The point spread function of double shadow blur distortion image is more complicated .

基于声学和语音学相关结论，融合小波分析理论和维纳滤波思想提出小波域维纳滤波（WWF）增强算法。

Then based on the acoustics ' and the phonetics ' pertinent conclusion , the Wavelet-wiener filtering ( WWF ) algorithm is put forward according to the wavelet analysis and Wiener filtering .

通过对维纳滤波中最速下降法的分析，提出了一种新的AJ（anti-jamming）LMS时域均衡算法.该算法基于估计出的信道参数，对均衡器的权系数进行自适应调整。

From the steepest descent analysis of Wiener filtering , a new algorithm termed AJ ( anti-jamming ) LMS equalization is proposed , which adaptively adjusts the weight factors of the equalizer based on the estimated channel .