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ex
- 矩形序列余弦序列的生成 各序列dft fft变换 fft的实现-Rectangular sequence cosine sequence generated dft fft transform the sequence of implementation of fft
Preemphasis
- 傅里叶变换能将满足一定条件的某个函数表示成三角函数(正弦和/或余弦函数)或者它们的积分的线性组合。利用傅里叶变换可对语音信号消噪。-ourier transform to meet certain conditions can be expressed as a function of trigonometric functions (sine and/or cosine functions), or their integral linear combination. Fourier tran
smagic
- 图像处理综合例子,提供的功能主要有: (1) 打开,显示,保存(另存),打印包括bmp,jpg,tif,gif,tga,pcx,png,psd等在内的各种常用图像 (2) 可以对图像实现放大/缩小观看,并可显示其直方图(态度,红,蓝,绿四通道) (3) 点运算:图像格式转换,阈值变换,窗口变换,灰度拉伸,态度均衡 (4) 几何变换:平移,转置,缩放,旋转,水平镜像,垂直镜像 (5) 正交变换:傅立叶,离散余弦,沃什,霍特林等 (6) 图像增强:图像平滑,中值滤波,梯
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- 8或24位图像的变换域处理及应用。一维二维傅里叶变换、二维离散余弦、频域高通、低通滤波等-8 or 24-bit image processing and application of transform domain. One-dimensional two-dimensional Fourier transform, two-dimensional discrete cosine, frequency high pass, low pass filtering
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
FreTrans
- 图像的正交变换,包括傅里叶变换和离散余弦以及沃尔什变换-Orthogonal transformation images, including Fourier transform and discrete cosine transform and the Walsh
FFTdesin
- 傅里叶变换能将满足一定条件的某个函数表示成三角函数(正弦和/或余弦函数)或者它们的积分的线性组合。在不同的研究领域,傅里叶变换具有多种不同的变体形式,如连续傅里叶变换和离散傅里叶变换。最初傅里叶分析是作为热过程的解析分析的工具被提出的-Fourier transform to meet certain conditions can be expressed as a function of trigonometric functions (sine and/or cosine functions
xuxian
- MATLAB余弦与小波变换在图像压缩中的比较-xuxian.rar
tongxinyuanli
- 基带传输: 欲传送的01比特流 + 码型变换(HDB3码) + 基带成型网络(采用升余弦滚降系统)+ 信道 + 码型反变换 + 01比特流。 -Baseband transmission: To send the 01 bit stream+ code type transformation (HDB3 code)+ base-band forming network (with raised cosine roll-off system)++ code based channel in
fftpro
- 傅里叶变换能将满足一定条件的某个函数表示成三角函数(正弦和/或余弦函数)或者它们的积分的线性组合-Fourier transform to meet certain conditions can be expressed as a function of trigonometric functions (sine and/or cosine functions) or their linear combination of the integral
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
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- 图像水印的实现算法,利用离散余弦傅里叶变换,实现图像水印的潜入与提取-Image watermarking algorithm using the discrete cosine Fourier transform and image watermark to sneak into and extract
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- 基于态函数的离散分数余弦倒谱变换在取证话音信息隐藏中的应用-Cepstrum based on the state function of discrete fractional cosine transform application in forensics speech information hiding
QDCT
- 实现图像的四元数离散余弦(QDCT)正反变换-Quaternion Discrete Cosine Transform
Square-wave
- matlab 实现傅里叶变换 fs FT DFS DFT FFT 以及余弦函数的抽样 离散傅里叶变换 频谱 函数叠加后的傅里叶变换 频谱 -matlab to achieve the Fourier transform fs FT DFS DFT FFT and cosine functions sampling discrete Fourier transform the spectrum of the Fourier transform of the spectrum function su
05012
- 数字图像处理,实现正交(傅里叶、离散余弦、沃尔什)变换-Digital Image Processing, orthogonal (Fourier, discrete cosine, Walsh) transform
TWO_DCT_IDCT
- 二维离散余弦反变换,整个频域到时域的转换,加深对数字信号处理的理解-Two-dimensional inverse discrete cosine transform, the entire frequency domain to time domain conversion, and deepen the understanding of the digital signal processingTwo-dimensional discrete cosine transform, the fr
TMS320VC5410-programs
- 目录: 硬件平台TMS320VC5410,软件平台CCS5000 exp1、 A/D实验一 说明:本实验使用AD 将模拟信号变换成数字信号,使用DSP对转换后的数字信号读取、保存,并将数据送往D/A,在示波器上观察D/A 的输出波形。 exp2、 FIR 滤波器实验 说明:本实验设计一个FIR低通数字滤波器,通带截至频率为1500Hz,阻带截至频率为2000Hz,采样频率为8000Hz。 exp3、余弦波生成实验 说明:本实验产生连续的余弦波,可在ccs上观察波形。-
pinyu-bianhuan
- 实现了在matlab下音频信号的dct(离散余弦)和fft(傅里叶变换)相对matlab工具箱,有快速准确的效果。-Realized the dct (discrete cosine) of the audio signal in matlab fft (Fourier transform) relative matlab toolbox, fast and accurate results.
VCDIP_P78
- vc界面下,实现图像的离散余线变换DCT,离散余弦反变化。-the vc interface, the realization of the discrete image I line transform DCT, the inverse discrete cosine change.