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plus&filter
- 利用害明滤波器对白噪声信号进行加权,提高信噪比
gridreciprial
- 梯度倒系数实现背景抑制,提高小目标检测的信噪比-reversing Coefficients gradient background suppression, and enhance the signal-to-noise ratio target detection
kuanfiltering
- 用kuan滤波器(kuan filter),实现图像去噪处理,提高图像的信噪比。-with kuan filter (kuan filter), the image denoising, improve image quality.
PDEbasedImageFiltering
- 用PDE实现图像滤波PDE based Image Filtering,提高图像的信噪比。-with PDE image filtering PDE based Image Filtering, improve image quality.
ShockFilters
- 用shock滤波器实现图像滤波shock Filtering,提高图像的信噪比。-with shock filter image filtering shock Filtering, improve image quality.
SVDdenoise
- 用SVD算法实现图像滤波去噪处理,提高图像的信噪比。-SVD algorithm using image processing filter to improve image quality.
high-resolution-one-dimension
- 高分辨率要求系统具有大的带宽,瞬时带宽的增加必将提高系统对硬件的要求,本文采用方便灵活的步进频率波形信号。脉间频率步进波形通过子脉冲载频的步进变化来获得大的有效带宽,使成像具有高分辨率,采用加窗和补零方法提高信噪比,但该信号对目标径向速度非常敏感。采用补零方法提高距离取样分辨率,使距离像细化,并用公式说明了补零只能提高距离取样分辨率,并不能改变频率步进信号的距离分辨能力。该信号波形对目标径向速度的敏感,使目标能量分散到邻近的距离单元造成距离分辨率下降,如果不事先进行速度补偿,直接对回波信号进行逆
tidufilter
- 梯度倒系数滤波,在小目标检测算法中,用来实现背景抑制,提高目标的信噪比.-reversing gradient filter coefficients in small target detection algorithm, which can be used for background suppression, the goal of improving the signal-to-noise ratio.
LSAgai
- 对数谱最小均方误差语音增强算法(LSA-MMSE),对加入有音无音判决进一步提高信噪比,消噪效果非常好。适合各种平稳噪声。-right spectrum minimum mean square error speech enhancement algorithm (LSA - MMSE). sound right to a sound judgment without further improve signal-to-noise ratio, denoising effect was very
Speech_Quallity_Estimate
- 压缩包中包括3个用于对语音增强中,增强语音质量测试的程序:分段信噪比提高测量、对数谱距离测量、信噪比测量。具体说明,请看文件文件说明。
capon-beamforming
- capon波束形成是阵列信号处理的经典算法,该算法用于抑制干扰噪声,提高期望信号的信噪比。 本人用VC6.0实现了该算法,同时在该程序里提供了比较多的用于数值计算的C代码,如特征值分解等。-capon beamforming is a classic array signal processing algorithm used to suppress noise interference and improve signal to noise ratio of desired signal
Ban-denoising
- 本代码是基于Bandelet的硬阈值SAR图像去噪,结果与小波变换进行对比,结果表示其在峰值信噪比,边缘保持系数上均有一定的提高。压缩包中有程序和SAR图像。-This code is based on Bandelet SAR image denoising with a hard threshold .the results were compared with the wavelet transform, and the results indicated that in the peak
fh
- 本文阐述了扩展频谱通信技术的理论基础和实现方法,利用MATLAB 提供的可视化 工具Simulink 建立了扩频通信系统仿真模型,详细讲述了各模块的设计,并指出了仿真建模 中要注意的问题。在给定仿真条件下,运行了仿真程序,得到了预期的仿真结果。同时,利 用建立的仿真系统,研究了扩频增益与输出端信噪比的关系,结果表明,在相同误码率下, 增大扩频增益,可以提高系统输出端的信噪比,从而提高通信系统的抗干扰能力。 -This paper describes the theory
NLmeans-and-lpfilter
- 数字图像处理中的图像去噪部分,用低通去噪和non-local means两种方法,其中用non-local means,可把信噪比提高10dB左右。-Digital image processing, image denoising part of the low-pass de-noising and non-local means are two ways in which non-local means to signal to noise ratio increased by about
xiaobo
- 小波变换下的信噪比提高,运行结果是3张图,两段语音,效果较为明显-Improved SNR under the wavelet transform
nlm去噪
- 用于图像、信号的去噪,提高图像或信号的信噪比。(For image and signal denoising, to improve the image or signal to noise ratio.)
1.给图片添加了正弦噪声,消除噪声
- 给数字信号中加入额外的适当噪声成分可以有效提高信号的信噪比(Adding additional appropriate noise components to the digital signal can effectively improve the signal to noise ratio of the signal)
去卷积提高方位分辨率_李勋
- 去卷积是一种新的信号处理方法, 在大信噪比条件下. 它可以获得很高的测向精度和远小于天线波束宽度的方位分辨率, 但在小信噪比条件下误差较大, 使其实用性受到限制 。本文提出了利用相关法对接收信号进行预处理, 提高信噪比, 再利用去卷积的方法, 在一定程度上可以缓解去卷积法对信噪比的苛刻要求 。(Deconvolution is a new signal processing method, in the case of high SNR. It can obtain high directi
Denoisewp
- 运用小波包分解功能对含噪信号降噪,剔除干扰噪声,提高信号信噪比。(The function of wavelet packet decomposition is used to denoise the noisy signal, eliminate the interference noise and improve the signal-to-noise ratio.)
空域降噪
- 应用于信号降噪处理,突出特征信号,降低噪声信号,提高信噪比