Description: rake接收机的链路生成程序，包括短码生成，长码生成，哈达码变换，瑞利信道，以及多径衰落等。-rake receiver of the link generated procedures, including short-code generation, long-code generation, Hadamard transform, Rayleigh channel, as well as multipath fading and so on. Platform: |
Size: 2048 |
Author:王波 |
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Description: 对二维图像进行沃尔什变换,之后用图像的四分之一进行沃尔什反变换来复原图像，并比较误差-Two-dimensional images of the Walsh transform, followed by a quarter of the image to the anti-Walsh transform to recover images, and compare the error Platform: |
Size: 1024 |
Author:房子 |
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Description: The function implement the 1D sequency(Walsh) ordered fast Walsh-Hadamard transform which can be used in signal processing, pattern recongnition and Genetic alogorithms.
This algorithm uses a Cooley-Tukey type signal flow graph and is implemented in N log2 N additions and subtractions. Data sequence length must be an integer power of 2.
The inverse transform is the same as the forward transform except for the multiplication factor N. This can be easily achieved by deleting the last line i.e. x=inv(N)*x
Example:
x=[1 2 1 1]
W=FWHT(x) -The function implement the 1D sequency(Walsh) ordered fast Walsh-Hadamard transform which can be used in signal processing, pattern recongnition and Genetic alogorithms.
This algorithm uses a Cooley-Tukey type signal flow graph and is implemented in N log2 N additions and subtractions. Data sequence length must be an integer power of 2.
The inverse transform is the same as the forward transform except for the multiplication factor N. This can be easily achieved by deleting the last line i.e. x=inv(N)*x
Example:
x=[1 2 1 1]
W=FWHT(x) Platform: |
Size: 2048 |
Author:ry |
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Description: 这是基于matlab的图像哈达玛变换域数字水印源代码。-This is based on the Hadamard Transform Image matlab domain digital watermarking source code. Platform: |
Size: 4096 |
Author:Mark Li |
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Description: fwt,fwt2分别是一维、二维快速沃尔什变换函数,采用蝶形快速算法编写，要比利用矩阵相乘得到变换结果的离散沃尔什变换快很多-fwt, fwt2 are one-dimensional, two-dimensional fast Walsh transform function, the use of butterfly Fast Algorithm for the preparation of, than the use of transformation matrices to be the result of the discrete Walsh transform much faster Platform: |
Size: 2048 |
Author:tianjieyu |
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Description: 一段对已知像素的正方形图像进行Hadamard变换的原代码，可设置变换阶数等参数。-For some of the known image pixel square Hadamard transform the original code, you can set parameters such as changing the order. Platform: |
Size: 1024 |
Author:王凯 |
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Description: 此程序为非二进制LDPC 码的仿真程序. 信道为AWGN, 调制方式 是BPSK.-This program is used to simulation nonbinary LDPC codes over AWGN channel and BPSK modulation. The decoding algorithm is in the probability domain and with the fast Hadamard transform in the check node. Platform: |
Size: 6144 |
Author:Jiangxueqin |
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