搜索资源列表
liftingscheme
- 实现正交变换，包括傅里叶、离散余弦及小波变换-Achieve orthogonal transformation, including the Fourier, discrete cosine and wavelet transform
Face_recognition
- 提出了利用小波变换和余弦变换与BP神经网络相结合的人脸识别方法-Using the wavelet transform and cosine transform and BP neural network face recognition combining
xuxian
- MATLAB余弦与小波变换在图像压缩中的比较-xuxian.rar
cepinji
- 能够测量一定范围的信号频率，方波，正余弦信号。-Can measure a range of signal frequency, square wave, sine and cosine signals.
Watermarking-Against-Attack
- 小波和余弦变换的抗几何攻击数字水印算法,Wavelet and Cosine Transform Digital Watermarking Against Geometric Attack-Wavelet and Cosine Transform Digital Watermarking Against Geometric Attack
dwt-matLab-marking
- 提出了一种基于小波变换可抗击几何攻击算法。在水印嵌人 部分# 首先对宿主图像进行小波分解 、 嵌人水印, 再通过余弦变换求得该水印图像的一个特征向量, 利用该特征向量和水印 信息通过12 31 函数生成一个二值逻辑系列, 将该序列作为密钥/ 水印提取部分为# 对待测的图像进行小波变换, 再通过余 弦变换求得待测图像的一个特征向量, 利用该特征向量和密钥通过1 2 4 1 函数提取出水印。-Proposed based on wavelet transform algorith
h_l
- 设计一个合成信号，合成信号包含30H、50Hz、80Hz，可以用正弦或余弦或雷克子波，要求消除50Hz信号-Design a synthetic signal, synthesized signal contains 30H, 50Hz, 80Hz, can be used or Ricker sine or cosine waves, requires the elimination of 50Hz signal
k2
- 6QAM通过带限信道，设码元速率为1000波特，传输信道特性为滚降系数为0.75的滚升余弦频谱的滤波器，试建立测试模型并观察接收信号（等效基带信号）的眼图、星座图和相位转移轨迹图。simulink模型-6QAM through the band-limited channel, located at 1000 baud symbol rate, the transmission channel characteristics for the roll-off factor of 0.75 of
imageconversionandcompression
- 对图像进行傅利叶变换小波变换小波包变换离散余弦变换离散沃尔什变换二维哈达玛变换-MATLAB-based image conversion and compression
tina-
- 此文件夹有高通滤波，低通滤波，带通滤波，带阻滤波，三角信号发生器，正弦信号发生器，三角波发生器，三角波转换成余弦，等等tina的源程序，适合广大爱好者！-This folder has a high pass filter, low pass filter, band-pass filtering, band stop filtering, triangular signal generator, sine wave generator, triangle wave generator, tri
matlab
- 压缩文件中包含用小波变换、傅里叶变换、哈达玛变换、离散余弦变换实现图像压缩的源码，和一个绘制图像直方图及均衡化后的图像的直方图的程序。-Zip file contains the wavelet transform, Fourier transform, Hadamard transform, discrete cosine transform image compression source code, and a procedure of drawing image histogram .
MATLAB-shiyan
- 本文介绍了基于MATLAB软件在《信号与系统》课程教学中的仿真实验,通过抽样信号的表征、周期方波信号的傅立叶级数分解与合成、余弦信号的相加与相乘、RLC带通滤波器的频率特性等仿真实验,说明了将MATLAB应用于教学实践中的重要作用和意义。-This article describes the MATLAB-based software in the " Signals and Systems" course teaching simulation, by sampling th
DCTPDWT
- 各种数字水印的matlab源代码，包括离散余弦，小波变换等-A variety of digital watermarking matlab source code, including discrete cosine, wavelet transform
Wave
- 波形发生器可产生正弦波余弦波方波由DDS原理产生-Cosine waveform generator can produce sine wave square wave generated by the DDS principle
Correlation-filter-testing-platform
- 可以实现正余弦，方波相关滤波功能，并可以观察原理误差，测量恒带宽特性，研究低通滤波器与带宽的关系，是一个综合性模拟实验平台-Can achieve positive cosine, square wave correlation filter function, and can observe the principle error, measured bandwidth characteristics constant, low-pass filter with the bandwidth o
CIC
- 通过混和小波变换和余弦变换的彩色图像压缩和解压缩，可以用啊-Color Image Compression/Decompression by using Hybrid Wavelet Transform and Cosine Transform
05
- 图像的正交变换，傅立叶变换，离散余弦变换，沃尔什变换小波变换 -The image of the orthogonal transform, Fourier transform, discrete cosine transform, Walsh transform wavelet transform
dds
- dds数字信号发生器，实现1/4rom存储，正弦，余弦，三角波，锯齿波产生，AM调制-the dds digital signal generator, achieve 1/4rom store, generate sine, cosine, triangle wave, sawtooth, AM modulation
dct_yasuo
- 基于离散余弦变换的灰度图像压缩算法，效果介于小波变换和奇异值分解之间。-Based on the discrete cosine transform grayscale image compression algorithm, the effect between the wavelet transform and singular value decomposition between
off_focus
- 离焦系统的OTF曲线的matlab仿真 包含：1.不同波像差时，圆孔离焦的OTF及 2.不同波像差时，圆孔离焦下余弦光栅的像对比-Matlab simulation of the curve away from the focus system OSF