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DSSS.rar
- 一个四用户的扩频通信系统，扩频增益为N=16，采用Walsh码进行直接序列扩频，BPSK调制，无线信道为AWGN(加性高斯白噪声信道)信道(AWGN信道：不考虑通信信道信号时，由宽频范围描述的统计随机无线噪声。)。在接收端进行解扩，解调，判决，通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。,A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct
Walsh-Hadamard_code
- Generates the Walsh-Hadamard codes and checks orthogonality
walsh
- Walsh变换的c语言处理实现，可将其通过Matlab接口转换成matlab代码-Walsh Transform c language processing to achieve, can be converted through Matlab interface matlab code
Q_DSSS
- 直扩码分多址DS-CDMA是利用高速的WALSH正交码序列作为地址码，与多用户信息数据相乘得到信息数据的直接扩频信号，再经过BPSK调制后发送出去，经过AWGN无线信道的传输后，在接收端与本地产生的地址码进行相关检测，从中将地址码与本地码一致的用户数据选出，把不一致的用户数据删除。-DS-CDMA DS-CDMA is the use of high-speed WALSH orthogonal code sequences as address code, with multi-user in
matlab_ydtx
- 一个四用户的扩频通信系统，扩频增益为N=16，采用Walsh码进行直接序列扩频，BPSK调制，无线信道为AWGN信道。在接收端进行解扩，解调，判决，通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。-A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct Sequence Spread Spectrum, BPSK modulation, AWGN
YYY_DSSS
- 设计一个四用户的扩频通信系统，扩频增益为N=16，采用Walsh码进行直接序列扩频，BPSK调制，无线信道为AWGN信道。在接收端进行解扩，解调，判决，通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。-Designed a four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct Sequence Spread Spectrum, BPSK modul
walsh
- These are orthogonal complimentary code version of walsh codes which are or to be used in cdma systems.-These are orthogonal complimentary code version of walsh codes which are or to be used in cdma systems.
PN_Walsh
- CDMA中PN、Walsh码应用及调制解调的仿真实现-CDMA in the PN, Walsh code modulation and demodulation application and the Simulation
DS-CDMA_with_BPSK_and_Walsh_code
- A simple program for simulation of CDMA system with Walsh-Hadamard Code. Result of this program is plot of BER vs SNR.
FastWalshHadamardTransform
- 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
WalshHadmard
- Walsh-Hadamard codes are mutually orthognal codes, thus when used in synchronous CDMA, the interference between users is zero. This programm generates Walsh-Hadamard codes and also checks the orthogonality. You can change the code length by
mccdma_wafsf_st2cpic_p04_1g64pa
- MC-CDMA Walsh code for the communication systems.
imaginationorthogonaltransformation
- MATLAB 图像正交变换 正交变换通用算子 傅立叶变换 离散余弦变换 Walsh- Hadamard 变换 Radon 变换 小波变换 -MATLAB image orthogonal transform orthogonal transform generic operator Fourier transform discrete cosine transform Walsh-Hadamard transform Radon transform wavelet trans
usingwalsh
- this walsh code sequnce for mmse-this is walsh code sequnce for mmse
CDMA
- it is a code in MATLAB for calculation of bit error ratio vs signal to noise ratio , for multiuser code division multiple access .. usually in any communication system calculation of BER is very important to know the performance of system .. so in th
mazixulie
- M,GOLD ,WALSH序列自相关和互相关的仿真代码。包括一些复合序列的仿真代码。-M, GOLD, WALSH serial autocorrelation and cross correlation of the simulation code. Including some complex sequence of simulation code.
DSSS
- (1) 产生数值为±1的用户随机数据；给出Matlab下对应的模块； (2) 产生并给出64×64的Walsh矩阵，作为用户接入的扩频码； (3) 利用上述一个用户的扩频码和用户数据演示扩频过程；给出Simulink工作框图； (4) 利用FFT，计算并画出基带数据和扩频信号的频谱（在一个图中给出）； -(1) value of ± 1 generated random data users given under the corresponding Matlab module
programs2e-CARL-WALSH
- Supporting matlab programs for the Monetary Theory and Policy, 3nd. ed., by carl walsh
walsh-code-encoding
- It includes coding for walsh code encoding in matlab.The Walsh functions can be generated (or computed) by many methods. We can construct the Walsh functions by: • Using Hadamard matrices • Exploiting the symmetry properties of Walsh
walsh-code-decoding
- It does walsh decoding in matlab.For w5 i.e. 100 Walsh code T = 01100110 For bit a3 at T/2 So a3=1 Similarly same things is do for T/4,T/8…….. Continuing the same steps we get w5=100