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my_QPSKmod_201107
- 从基带信号产生——IQ映射——调制——信道加噪——解调——判决及反映射——接收信号输出，每个步骤都画出了图形。 -From the baseband signal- IQ mapping- Modulation- channel with noise- modem- judgments and reflect radio- receiver signal output, each of these steps are drawn graphics.
hammingcodedecoding
- (7,4)汉明码，硬判决译码，最大似然译码、和积算法（SPA）matlab仿真程序 三种译码方法的原理、matlab程序附在word附件中！ 供大家学习参考-(7,4) Hamming codes, hard decision decoding, maximum likelihood decoding, and product algorithm (SPA) matlab simulation program the principles of the three decoding me
hammingcodedecoding
- (7,4)汉明码的硬判决译码算法、最大似然译码算法、和积译码算法性能比较（代码附在word后面，采用matlab实现）很好的学习资料-(7,4) Hamming code of hard decision decoding algorithm, maximum likelihood decoding algorithm, and decoding performance comparison plot (code word is attached to the back, using matla
snr_serMatlab
- 数字通信系统中采用基带传输和频带传输[ 1, 2 ] ,在抽样判决器之前,信号叠加了信道噪声. 本文利用 Matlab软件仿真[ 3, 4 ]分析了在判决器前叠加了高斯噪声后,信噪比与系统的误码率之间的关系.-Digital communication system using baseband transmission and band transmission [1, 2], in a sample before the decision device, the signal super
lzw
- 惟一可译码判决准则信道容量的迭代算法 进一步熟悉惟一可译码判决准则-The only decision criteria can decode the channel capacity of the iterative algorithm can decode more familiar with the sentencing guidelines only
xinxilunshiyuanbaogao
- 信息论的课程实验报告实验一 信道容量的迭代算法程序设计………………….4 实验二 唯一可译码判决准则…………………………… 9 实验三 Huffman 编码方案程序设计…………………15 实验四 LZW编码方案程序设计…………………… 20 实验五 Shanoon编码方案程序设计………………… 23 实验六 循环码的软件编、译码实验…………………….27 实验七 BCH码最大似然译码器设计………………… 31 -Information theory course ex
16qam_channel_encode
- 一、 本程序采用16QAM调制方式，对一串2进制信源进行调制，采用（7，4）循环码对信源做信道编码，用升余弦滚降函数进行基带调制，再调到高频信道；在信道上加入高斯白噪声，运用匹配滤波器解调，画出解调星座图，运用最小欧氏距离译码判决，再对信号进行信道解码，画出采用信道编码技术和不采用信道编码技术的误比特率图。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated,
awgn_test
- vc下仿真的高斯白噪声信道，输入为0，1序列，输出为AWGN受噪信号，通过判决，统计误码数。做图像编码信道仿真的可参考 -vc simulation under the white Gaussian noise channel, input sequence for the 0,1, the output is affected by AWGN noise signal, through the decision, a number of statistical error.
LDPC_BSN
- LDPC码的硬判决译码算法，即BF算法。其为C语言编写。-LDPC code of the hard-decision decoding algorithm, that algorithm BF. For the C language.
fenxingweishu
- 计算分形维数的程序。此程序用于图像的特征提取。可用来进行目标判决。将测量数据集看作分形数据集，利用分形维数的大小来表示数据集的不规则性。-Fractal dimension calculation procedures. This procedure for image feature extraction. Can be used to target judgments. Measurement data set will be regarded as fractal data sets, t
64QAM
- 64QAM的调制解调程序，用硬判决-Of 64QAM modulation and demodulation process, with a hard decision
LDPC_BSN
- 含有多个译码算法，软硬判决译码！还有编码-Contains a number of decoding algorithm, soft and hard decision decoding! Also encoded
viterbi
- 实现了卷积码的viterbi译码，软判决和硬判决均可实现，是从英文教学书上抄下来的。-Achieved viterbi decoding of convolutional codes, soft decision and hard decision can be realized, from the English teaching books, copied down.
ViterbiDecodeK9R12HardDecision
- viterbi 硬判决译码，基本实现了（2，1，9）卷积码的硬判决译码，用modelsim RTL仿真通过-hard-decision viterbi decoding, the basic realization of the (2,1,9) convolutional codes hard decision decoding, using modelsim RTL simulation through
oqpsksd
- 软判决在OQPSK解调中实现对信号纠错的分析与应用-Soft-decision in OQPSK achieve signal demodulation analysis and application of error-correcting
CMA
- 一种新的基于数据可靠性判决引导的CMA盲均衡算法.pdf-A new decision-directed based on the data reliability of the CMA blind equalization algorithm. Pdf
Viterbi
- 无线光通信；卷积交织；Viterbi并行译码 在误码率为10的负6次方 时，相对于最佳阈值 判决有约6.9dB的编码增益，与完美交织下的编码性能仅相差0.3dB-Wireless Optical Communication Convolutional Interleaver Viterbi decoding in parallel at the bit error rate of 10 negative 6 power when compared with the optimal
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
Simulink_CDMA
- 本文利用Simulink平台，模拟了一个小区内十个用户的码元发送，扩频，接收，解扩，判决的CDMA通信基本过程。-In this paper, the use of Simulink platform, simulation of a community within the 10 million to send the user' s code, spread spectrum, receiving, despreading, the verdict of the basic proce
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