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Interpolator-of-polyphase-filter
- 代码用两种方法设计了一个基于多相滤波的内插器,低通滤波器采用128阶凯撒窗,内插倍数32,并且给定信号范围,验证了内插器的正确性,画出了内插前后信号的频谱。-The code design the interpolator based on polyphase filter using two methods.The low pass filter is 128 order Caesar window and interpolation multiple is 32.I give the ran
image-enhancement
- 下载并读入被噪音污染的Noisychurch图像数据,用Matlab 编程采用下述方法分 别实现该图像的增强操作: 1) 用空域法实现图像的增强,分别采用如下模板操作:2x2 和3x3 的幅值为1 的模板,比较去噪和模糊的折中效果;采用3x3 的中值滤波器进行去噪操作; 采用Laplacian 模板[0 -1 0 -1 5 -1 0 -1 0]进行锐化操作。 2) 用频域法实现该图像的低通和高通滤波,选择合适的截止频率。 3) 用小波分析法实现该图像的低通和
filter
- 对脑电信号进行各种滤波处理,包括高通、低通、带通-Various filtering EEG signal processing, including high-pass, low-pass, band-pass
second~
- 要求做一个实验,对一副M*N大小的图像重复使用截频为D0的高斯低通滤波器进行滤波。假设K为滤波次数。当K足够大时,滤波结果是什么样-Asked to do an experiment, a M* N-size image re-use the cutoff frequency for the D0 Gaussian low-pass filter for filtering. Assuming K is filtering times. When K is sufficiently large,
HW2_1_Code-a-Exe
- 改代码实现均值滤波、中值滤波和低通平滑滤波-This code is aimed to achieve the mean filter, median filter and low-pass smoothing filter
test
- 对一副M*N大小的图像重复使用截频为D0的高斯低通滤波器进行滤波。假设K为滤波次数。并从理论上说明当K足够大时的滤波结果及产生原因-Right an M* N size of the image is repeated using the cutoff frequency for the D0 of a Gaussian low-pass filter for filtering. Assuming K is filtering times. And filtering results when
filter
- 基于51单片机的C语言代码,指数加权平均算法滤波函数,也是一个一阶低通滤波器。文件中有比较详细的注释。-Based on the the 51 microcontroller C language code, exponentially weighted average algorithm filtering function is also a first-order low-pass filter. Detailed notes in the file.
LVBO
- 使用低通、中值、均值三种滤波方法,并比较他们各自的效果-Low pass, median, mean of three filtering methods, and compare their effects
3
- MATLAB的图像处理基础的资料\3 程序代码说明 P0301:数字图像矩阵数据的显示及其傅立叶变换 P0302:二维离散余弦变换的图像压缩 P0303:采用灰度变换的方法增强图像的对比度 P0304:直方图均匀化 P0305:模拟图像受高斯白噪声和椒盐噪声的影响 P0306:采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307:采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
image-processing-
- 常用图象滤波器的设计方法,实现一个通用的高通、低通滤波器函数,其中又分别实现理想、巴特沃思和高斯滤波形式,用实现的函数对图象进行高通处理,将所给图象增加噪声后再进行低通处理,处理后分别进行伪彩色增强-Top image filter design method, to achieve a common high-pass, low-pass filter function, which achieve the ideal, Butterworth and the form of Gaussian
image-restoration
- 基于逆滤波的图像恢复matlab源代码,其中采用巴特沃斯滤低通波器-matlab code for image restoration based on inverse filtering,where the Butterworth filter is used.
xinhao
- 滤波器设计 产生一个连续信号,包含低频,中频,高频分量,对其进行采样,进行频谱分析,分别设计低通,带通,高通滤波器对信号进行滤波处理,观察滤波前后信号的频谱。-The filter is designed to generate a continuous signal containing the low, mid, and high frequency components, to be sampled, for spectral analysis, respectively, to
Addfilter
- 1. 学习用DSP用户开发板产生信号混叠的方法和目的。 2. 熟悉数字滤波的基本原理和实现方法。 高频正弦波和低频正弦波的混叠信号,送入TLV320AD50进行A/D变换,IIR低通滤波器滤波,经D/A输出低频正弦波信号。-1. Learning DSP user development board signal aliasing method and purpose. 2. Familiar with the basic principles and implementation of
medical-information-processing
- 用于心电的一种低通数字滤波算法,该方法设计简单、运算量小,对有用信号的影响小。同时设计了相关的界面,用于实时显示心电信号的波形,且可以在不同背景下将心电信号显示出来。-Used for the ECG a low pass digital filtering algorithm, the method is designed to be simple, small amount of computation, the impact of the useful signal. While the
ditong
- 巴特沃斯低通滤波器matlab实现,用于频率域高通滤波-Butterworth low-pass filter matlab realize, the high-pass filter for frequency domain
matlabfirlvbo
- matlab对语音信号进行滤波,使用fir低通滤波器-the speech signal matlab filter using FIR low-pass filter
matlab-kongyu-lvboqi
- 平滑滤波器有中值滤波器和高斯低通滤波器,其中,中值滤波器对去除椒盐噪声特别有效,高斯低通滤波器对去除高斯噪声效果比较好。不同的滤波方式,在特定的图像处理应用中有着不同的效果和各自的优势-failed to translate
Filtering-and-edge-detection.doc
- 边缘滤波及检测,利用二个低通邻域平均模板(3×3和9×9)对一幅图象进行平滑,利用一个低通模板对一幅有噪图像(GAUSS白噪声)进行滤波 ,比较领域平均滤波和中值滤波对噪声滤波效果的影响。-Edge filtering and detection, the use of two low-pass neighborhood average template (3 × 3 and 9 × 9) of an image smoothing filtering template, the use of
bditong
- 用matlab实现巴特沃斯低通滤波器的M文件。本例读取电脑自带的XP开机声音,加上高频噪声,然后滤波看效果。-Butterworth low-pass filter using matlab M-file. This case, read the computer comes with XP start-up sound, coupled with high-frequency noise, and then filter to see the effect.
Digital-filter
- 数字滤波器 ,用matlab的GUI界面完成,可以对输入的信号进行低通,高通,带通,带阻的选择,同时能设置相应的参数。滤波的类型包括:blackman,boxcar,hanning,hamming-Digital filter matlab GUI interface, the input signal low pass, high pass, band-pass, band-stop choice, at the same time to set the appropriate paramet