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lvbo
- 本文根据对原始纯净图像进行的椒盐加噪处理，提出了利用中值滤波法消除图像噪声的实用方法。使用软件工具MATLAB快速地实现了图像的中值滤波。-According to the original purity of the salt and pepper plus noise image processing, proposed by using median filter to reduce image noise and practical method. MATLAB software too
Denoisemiddle
- this code used for the basic image processing technique like image restoration. it reduce the noise in image
Spectral-subtraction
- 学习并找到降噪方法，对语音信号背景噪声做处理，使得声音更清晰。-The background noise is the most common factor degrading the quality and intelligibility of speech in recordings. Spectral subtraction can lower the noise level without affecting the speech signal quality. In this pape
wavelet_quzao
- 在小波域实现图像去噪，先对图像进行3级小波分解，然后对各子带进行阈值处理，实现降噪目的。-reduce speckle noise using wavlet method
wavle-conoising
- 将信号映射到小波域，根据噪声和噪声的小波系数在不同尺度上具有不同的性质和机理，对含噪信号的小波系数进行处理。实质是减少剔除噪声产生的小波系数，最大限度的保留真实信号的系数。 -Will be mapped to the signal wavelet domain, according to noise and noise of wavelet coefficients in different scales with different properties and mechanism of s
FM_phase_noise_1
- The file calculates and plots FM noise sidebands for a carrier. It also does sinusoidal modulation. This simple way of adding noise to a carrier is useful for simulation of PLLs. It turns out, though, that the mean of the randn function is not as clo
channel-equalization
- channel equalization in receiver side of a transmitter in communication to reduce the effects of interfernce and removing noise
Flyback-EMI-analize
- Flyback架构的EMI 效果通常是比较差的（特别是在不 连续工作模式下）,以往常经验来看，充电板以及功率 板上的充电部分是整机EMI效果的重要决定因素之一。 因此在此专题里面将以Flyback架构为对象，分析其 Noise源，传播途径，改善方法。拟在不影响电气性能 的前提下，降低成本、提高UPS的EMC性能。-Flyback-based EMI effect is usually relatively poor (especially in non-continuous
emi_8823
- Flyback架构的EMI 效果通常是比较差的（特别是在不连续工作模式下）,以往常经验来看，充电板以及功率板上的充电部分是整机EMI效果的重要决定因素之一。-Flyback-based EMI effect is usually relatively poor (especially in non-continuous mode) to the usual experience, the charge sheet and power charging part of the whole boar
sdggzip
- C++实现的自动聚类系统KlustaKwik源代码\KlustaKwik-R1-7\KlustaKwik-ks for any type of data. We needed a program that would: 1) Fit a mixture of Gaussians with unconstrained covariance matrices 2) Automatically choose the number of mixture components 3)
ImgSmooth
- 简单的图像平滑去噪，如自适应中值滤波，稳健的平滑滤波器等-it is a programm that can reduce the noise in the digital picture,i think it is helpful to you, may be.
jiyu-FPGA-chaochengboxinhaochuli
- 了降低超声波流量检测过程中噪声对检测精度的影响，采用FPGA器件构建了FIR滤波器，并提出一种新颖的查表法替代滤波器中的乘法运算-In order to reduce the flow in the process of ultrasonic testing noise on the influence of the precision, based on FPGA device constructed the FIR filter, and put forward a novel queryi
Ethernet_layout-guide
- RTL8201 PCB Layout Guide Goal : (1) Make a Noise-free, power-stable, environment that suitable for RTL8201. (2) Reduce the possibility of EMI, EMC and their influence to the chip. (3) Simplify the task of routing signal trace, so as to make a b
smth-and-sharpen
- 图像锐化：梯度算子、Roberts算子、Sobel算子边缘检测处理和Laplace算子边缘增强处理，使图像的某些特征(如边缘、轮廓等)得以进一步的增强及突出。 图像平滑主要目的是减少噪声对图像的影响。平滑线性滤波和中值滤波两种。-Image Sharpening: gradient operator, Roberts operator, Sobel operator edge detection processing, and the Laplace operator edge enhanc
jianpufa
- 语音降噪 减谱法 是一个子程序 用与dsp语音降噪-noise reduce
specsubm
- 一个基于dsp的语音降噪算法-noise reduce
TDC-GP21
- 在 2010 年的11 月底，德国 acam公司在原有的基础上，又专门针对超声波热量表的一些特 性，进行了更深入的研究和改进，最终推出了新一代针对超声波热量表所设计的的芯片 TDC‐ GP21。这颗芯片为 QFN32 管脚的封装形式。这颗芯片而除了具备了 TDC‐GP2的功能以外，还 额外集成了超声波热量表所需要的信号处理模拟部分，比如模拟开关，以及低噪声斩波稳定 （自动进行温度电压校正）模拟信号比较器，以及内部集成了温度测量所需施密特触发器，使 超声波热量表的设计
medfiltnet
- image filtering to reduce difrent type of noise
Phase-and-Frequency-Detector
- 针对锁频锁相器( Phase and Frequency Detector, PFD) 应用于低信噪比、大频偏的条件, 通过理论分析和仿真验证阐述了窗口类型对系统频偏捕获速度、范围、噪声门限及相位噪声抖动的影响机理. 推导出等效相位噪声功率谱密度的表达式. 证明了大窗口具有更低的噪声门限和更小的稳态相位抖动, 但捕获速度较慢. 为了提高捕获速度, 对鉴相器输出值取极性运算得到改进的PFD 算法. 新算法不仅能增加鉴相增益提高捕获速度 还可以减少等效噪声功率谱密度降低相位抖动 同时新算法不需要乘法
Introduction
- Color fundus images often show important lighting variations, poor contrast and noise. In order to reduce these imperfections and generate images more suitable for extracting the pixel features demanded in the classification step, a preprocessing com