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ch2
- 第2章 信号变换 67 2.1 Z变换及MATLAB实现 67 2.1.1 Z变换的定义 68 2.1.2 Z变换的收敛域 68 2.1.3 Z逆变换 70 2.1.4 Z变换的性质 72 2.1.5 Z变换的工程应用 74 2.2 Chirp Z变换及MATLAB实现 77 2.2.1 Chirp Z变换的定义 77 2.2.2 Chirp Z变换的计算方法 79 2.2.3 Chirp Z变换的MATLAB实现 80 2.3 离散傅里叶变换及MAT
DC-SA-DCT2
- 校正任意形状DCT变换的矩阵不归一化，PSNR提高，基本是最佳校正方法-Calibration of arbitrary shape DCT transform matrix is not normalized, PSNR improve, the basic is the best correction method
watemark
- 基于DCT的数字水印的Matlab仿真实现-Digital Watermarking Based on DCT of Matlab simulation
watermarking
- 该算法实现了基于DCT域的图像水印算法，比较完整，清晰-The algorithm based on DCT domain image watermarking algorithm, more complete, clear
DCT
- 本文介绍了基于DCT 的图像压缩编码技术, 并给出了具体的实现方法和步骤, 既保证具有较高的压缩比, 又保证了较好的图像 质量。-This paper introduces the coding of image based on DCT , therefore,shows the details of realization . It provides high compressibility and high quality.
Analysis_of_channel_estimation_methods_for_OFDMA.
- OFDMA, Orthogonal Frequency Division Multiple Access is a broad band communication method. Here channel estimation is more crucial. Based on the FFT size used for OFDM transmission method that many number of channel co-efficients are to be estimated
Hybridmo
- Hybrid Model to Detect Zero Quantized DCT Coefficients in H.264 Hanli Wang, Student Member, IEEE, and Sam Kwong, Senior Member, I-Hybrid Model to Detect Zero Quantized DCT Coefficients in H.264 Hanli Wang, Student Member, IEEE, and Sam Kwong,
corrected
- OFDM is a new scheme for data transmission with several advantageous features. In this report a survey of all existing OFDM systems are being presented. Starting with simple FFT based OFDM the other variants like DCT-OFDM, Interspersed OFDM and DWT b
Channel-Estimation-MIMO-OFDM
- On improved DCT based Channel Estimation with very low complexity for MIMO-OFDM systems
Standard-of-JPEG
- 里面是JPEG的标准变换过程，含有DCT变换，哈弗曼编码-Inside the JPEG standard transform, DCT, Hafu Man coding, run length encoding
DCTimagefusion_demo
- DCTimagefusion_demo , dct
dct-dft-fft-dst
- DFT, FFT,DST, DCT and many
DCTofdata.m
- DCT of autoregressive model *Fesih-DCT of autoregressive model *Fesih
Block-DCT-transform
- 分块DCT变换，基于压缩感知信号的压缩。详细阐述了信号基于DCT分块的变换算法。为后面的信号压缩和恢复做铺垫。-Block DCT transform based on compressed sensing signal compression. Elaborates the signal based on the sub-block of DCT transform algorithm . For the following signal compression and pave the wa
离散余弦变换（DCT）
- 离散余弦变换（DCT）及其C++实现 定义：离散余弦是一种基于实数的正交变换 基本算法 快速算法 程序说明
New-folder-(2)
- this file contain code for dct
zongjie
- 各种视频水印技术的总结,包括小波变换，DCT变换，混沌算法等。-Summary of the various video watermarking technology, including wavelet transform, DCT, chaos algorithm.
DCT
- this code compress .wave file with DCT(disceret cosine transform) algorithm
DCT
- Optimum DCT-Based Multicarrier Transceivers for Frequency-Selective Channels