搜索资源列表
MATLAB
- MATLAB 下的数字信号处理实现示例 附录一 信号、系统和系统响应 1、理想采样信号序列 (1)首先产生信号 x(n),0<=n<=50
nsct_toolbox.rar
- 非下采样contourlet变换用于图像降噪,多尺度几何分析的应用。 ,Contourlet transform non-down-sampling for image noise reduction, multi-scale analysis of the application of geometry.
nsct_toolbox
- NSCT非下采样Contourlet变换,实现对图像的多尺度多方向分解,是一种真正的二维图像表示方法-NSCT nonsubsampled Contourlet transform, to achieve multi-scale multi-orientation image decomposition, is a true two-dimensional image representation
matlab
- 数字信号处理综合设计 利用windows下的录音机录制一段自己的话音,时间控制在1秒左右;并对语音信号进行采样,理解采样频率、采样位数等概念。-Digital signal processing integrated design Using Windows, making a video recorder under his voice, time control in 1 seconds And the voice signal sampling frequency sam
BPSK
- 上采样和下采样的matlab程序,以函数形式给出,有三种模式。-upsampling,downsampling,matlab,three mode
code
- 无下采样的contourlet变换阈值去噪; 无下采样的contourlet变换matlab7.0工具箱-No down-sampling of Contourlet Transform Thresholding Denoising without down-sampling the transform Contourlet matlab7.0 Toolbox
lunkuobianhuan
- 一种非常新颖的多角度多尺度变换,轮廓变换的 改进,非下采样轮廓变换,可用于图像处理的多个方面-A very innovative multi-angle multi-scale transformation, transformation to improve the profile, non-down-sampling profile transform, image processing can be used in many areas of
filter-deniose
- matlab下实现降噪,功率谱计算。%程序中设定采样点数为256个,采样频率为10000hz, %输入信号为随机噪声和两个正弦的合成信号 %设定的滤波器的截止频率为3500hz %通过挈比雪肤滤波器,运行程序,比较滤波前后的频域波形 %滤波去除了高频信号-matlab achieve noise reduction, power spectrum calculation. Sampling procedure set for 256 points, the sampling f
zong
- 对语音信号进行上采样,下采样,延迟还有回声,在matlab中实现-Voice signals to the sampling, under sampling, the delay still echo in matlab to achieve
code
- 用Matlab进行BPSK系统发送、接收端的仿真,含有发送端、AWGN信道、匹配滤波、下采样、解调、计算不同信噪比下的误码率,并绘制BER曲线-Matlab simulation of BPSK receiving system,including AWGN channel, match filter, down sample,demodulation and BER calculation
mp3readandmp3write
- mp3read和mp3write是直接写在wavread更换和wavwrite访问MPEG音频MP3文件。其特点包括: -旨在重复wavread完整语法和wavwrite -还支持上的动态下采样和渠道mpg123的合并-文件优化的很长的MP3 -只需要解码的部分-使用popen函数进行编码,以避免大量临时文件(可用时-看到我popenw墨西哥) -试图消除写保护回路的时间序列文件/通过阅读“热身”样本-包括辅助二进制软件包在Linux,Windows,Mac的PPC的,苹果,英特尔,和Mac英特
Nonsampling_Contourlet
- 非下采样contourlet变换是一种较新的多尺度几何分析方法,能够很好地描述信号的线奇异特征,具有多方向滤波器组。-Nonsubsampled contourlet transform is a relatively new method of multiscale geometric analysis, can well describe the signal characteristics of the line singularity, with multi-directional fi
soundchange
- 对原始语音进行上采样和下采样,分析对比他们的时域图和频谱图。最后对比原始语音、75HZ激励、150HZ激励以及噪声激励下的效果-SOME SIMPLE MANIPULATIONS OF SOUND USING DIGITAL SIGNAL PROCESSING The original sound and its spectrogram Downsampling the waveform downsampling Upsampling the waveform Li
Upsampling_and_Downsampling
- 采样率转换程序,程序主体分为上采样与下采样-Sample rate conversion process, the program is divided into the main sampling and down-sampling
contourlet_toolbox
- 基于非下采样contourlet变换的多视点视频图像融合的MATLAB源码,可以成功运行-Nonsubsampled based multi-view video contourlet Transform MATLAB source image fusion can be run successfully
NSCTPHSI
- 基于NSCT与HSI的图像融合算法,采用非下采样的Contourlet变换和HSI彩色图像融合。-image fusion algorithms based on NSCT and HSI
Matlab
- 图像的采样 • 写程序:以2 为尺度,下采样图像 ,观察不同分辨率下图像的变化情况(a) • 写程序:把(a)中获得的图像,进行上采样处理,可以选择不同的平滑方 法,比如,邻近像素复制,或者线性插值等。讨论上采样后图像的质量变 化。找出相应的改进方法。 -图像的采样 • 写程序:以2 为尺度,下采样图像 ,观察不同分辨率下图像的变化情况(a) • 写程序:把(a)中获得的图像,进行上采样处理,可以选择不同的平滑
HHT-matlab
- HHT变换matlab程序 在matlab下运行即可,可以修改各种参数,采样点数,各种电能质量原始信号均由程序所得,可以信号叠加而来。比如电压跌落,谐波,暂时上升,中断等。 例子给出的是 电压暂降。-HHT transform matlab matlab program can be run in, you can modify various parameters, sampling points, a variety of power quality of the original
CNN Matlab代码
- 利用大量图像数据对卷积神经网络算法进行训练,通过卷积、池化、下采样以及全连接层训练后的卷积神经网络在图像识别精度越来越高。(By using a large number of image data to train the convolutional neural network algorithm, the accuracy of the image recognition is higher and higher by convolution, pooling, down sampling
非下采样轮廓波变换NSCT
- 多尺度图像非下采样轮廓波变换(nsct)的工具箱,实现代码为Matlab版本。可用于图像的多尺度分析,如图像压缩、图像分割、图像融合和超分辨率等。-Multi-scale image nonsubsampled contourlet transform (nsct) toolbox, code Matlab version. The images can be used for multi-scale analysis, such as image compression, image segm