搜索资源列表
fft
- 利用傅里叶变换对图像进行降低噪声处理,而且内附有高通和低通滤波功能-Fourier transform
kaiser
- 本matlab函数,实现凯泽窗设计低通、带通、高通滤波器,综合在一个图显示。设计滤波器时,用到的脉冲函数和脉冲响应函数都在压缩包里,所用的频率是数字频率值。-The matlab function, designed to achieve Kaiser window low-pass, band-pass, high pass filter, integrated in a map display. Filter design, the use of the pulse function and
edge_filter_linear
- 1、均值平滑、中值平滑和低通滤波平滑 2、高斯拉普拉斯算子对图像边缘的增强, 3、彩色图像的锐化,-1, the mean smoothing, median smoothing and smoothing low pass filter 2, Laplacian of Gaussian edge enhancement, 3, color image sharpening,
txlb
- 数字图像处理中的滤波和傅里叶压缩,包括理想低通滤波器,巴特沃茨高通滤波器,高斯带通滤波器,高斯带阻滤波器,FFT图像压缩。附原图像和处理后的图像截图。-Digital image processing in filtering and Fourier compression, including the design of an ideal low-pass filter, design Batewoci high-pass filter, bandpass filter design Gaus
Fourier filter
- 程序包中包括Chebyshev低通滤波器、巴特沃斯模拟低通滤波器、Cholesky分解、DFT算法、FFT算法,可以直接移植到嵌入式系统或DSP中实现。-Package includes Chebyshev low-pass filter, Butterworth low-pass filter simulation, Cholesky decomposition, DFT algorithm, FFT algorithm, can be directly transplanted to the
DigitalImageProcessing5
- 原理与分类 空域滤波器的定义、原理、分类 平滑滤波器 均值滤波器、中值滤波器、基本低通滤波器 锐化滤波器 微分滤波器、基本高通滤波器 -Principle and classification of airspace filter definition, principle, classification smoothing filter mean filter, median filter, basic low-pass filter sharpening filter
data122
- 对MIT—BIH数据库中的第122号数据作的处理,包括低通、高通滤波、中值滤波、均值滤波等。-On the MIT-BIH database No. 122 data processing, including low-pass, high pass filtering, median filtering, average filtering.
dsp
- 输入自己事先录制好的语音信号,该程序实现将语音信号通过FIR低通、高通、带通滤波器后还原出来的语音质量-Enter their own pre-recorded speech signal, the program will realize voice signal through the FIR low-pass, high pass, band-pass filter to restore them after the voice quality
matlab
- IIR一阶低通滤波器 一阶高通滤波器 Notch 嵌波滤波器 Peak 滤波器 IIR低通滤波(Butterworth) IIR高通滤波(Butterworth) IIR带通滤波(Butterworth) IIR带阻滤波(Butterworth) IIR低通滤波(chebyshev 1) IIR低通滤波(chebyshev 1) chebyshev 中用到的函数 cheby.m-First-order IIR low-pass filter the fir
lvboqi
- 线性相位FIR低通滤波器和48阶带通滤波器,并进行了比较的源程序。-Linear phase FIR low-pass filter and 48-order band-pass filter, and a comparison of the source.
filter
- % y=filter(sig,fmin,fmax) % 对信号进行理想滤波,可完成低通,带通 % sig为被滤波信号 % fmin为下限频率,当fmin为0时为低通滤波器,当fmin>0时,为带通滤波器 % fmax为上限频率,fmax>fmin % fs为信号的采样频率 % y为经过滤波后的信号 -% Y = filter (sig, fmin, fmax)% of the ideal signal filtering, to be com
chap06
- ex5_1 I-型线性相位FIR滤波器 ex5_2 II-型线性相位FIR滤波器 ex5_3 III-型线性相位FIR滤波器 ex5_4 IV-型线性相位FIR滤波器 ex5_5 矩形窗频响 ex5_6 希尔伯特变换器设计-汉宁窗 ex5_7 低通滤波器设计-汉明窗 ex5_8 带通滤波器设计-布莱克曼窗 ex5_9 低通滤波器设计-凯塞窗 ex5_11 频率采样技术:低通,朴素法 ex5_12 频率采样技术:低通, 最优法T1 & T2 ex5_13
picture_processing
- 图像处理包括(1) 显示图片 (2) 正交变换--包括傅立叶变换、沃尔什变换、离散余弦变换 (3) 图象增强--包括直方图显示、图象均衡化、图象规定化、图象平滑、锐化、中值滤波、低通滤波器、伪彩色编码 (4) 图象复原--非约束复原(逆滤波)、约束复原(维纳滤波) -Image processing, including (1) Show pictures (2) orthogonal transformation- including the Fourier transform
lvboqi
- 低通和高通滤波器的源码,采用FFT方法,输出归一化系数 -Low-pass and high-pass filter of the source, using FFT methods, the normalized output coefficient
ladder_pass
- matlab编写的梯形低通滤波器对与图像的影响,画图比较滤波前后的对比图。-the preparation of matlab trapezoidal low-pass filter and image of the effect of drawing the contrast to compare before and after filtering Fig.
2009_01_07_SignalProcessDemo
- 输入一个含有噪声的信号,使用fft将频谱显示出来、并可输入低通、高通,带通滤波的数值,结果立刻可现,不过是基于evc的程序,会vc的一看即明白-Enter a noisy signal, using fft the spectrum display, and can enter the low-pass, high pass, band-pass filter value, the results are immediately available, but the procedure is b
Gardner_baseband
- 对基带数字通信的位同步过程进行了仿真,采用Gardner算法,没有用插值。符号用SRRC进行脉冲成形,环路滤波器没有用PI回路,是简单的alfa,1-alfa低通滤波,NCO调整也比较简单。-Baseband digital communications for the bit synchronization process of the simulation, using Gardner algorithm, did not use interpolation. Carried out wit
Butterworth_low_pass_and_high_pass_filters
- 对二维图像实现巴特沃斯低通和高通滤波,已经仿真,效果不错。-Pairs of two-dimensional image realization of Butterworth low-pass and high-pass filtering, has been simulation, good results.
frequency
- 用傅里叶变换对图形进行变换,然后用高斯低通、高通滤波器对图像进行去噪-Fourier transform graphics transform, and then use Gaussian low-pass, high pass filter for image denoising
signal
- 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,分别设计三种高通,低通,带通滤波器对信号进行滤波处理,观察滤波后信号的频谱-NI FHHFJSDG