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PCM编码解码matlab 代码

于 2019-01-26 发布

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说明： PCM编码译码的matlab代码，设一个输入量，对其进行通信原理仿真。(The MAT code of the PCM code decoding, set an input quantity, and simulate the communication principle.)

文件列表：

tongxin\pcm_decode.m, 973 , 2011-03-30
tongxin\pcm_encode.m, 1322 , 2011-03-30
tongxin\pcm1.m, 800 , 2011-03-30
tongxin, 0 , 2011-03-31

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pcm
语音编码方案的选取对移动通信系统的通话质量、信道容量等有重要影响。本文讨论了TD-SCDMA系统中AMR语音编码的自适应机制，同时分析了AMR中代数码本线性预测(ACELP)算法及实现过程。该方案可以在一块TMS320C5510上实现。(The selection of voice coding schemes for mobile communication systems the quality of the call, such as channel capacity have had a significant impact. In this paper, TD-SCDMA System AMR Adaptive speech coding mechanism, at the same time analysis of AMR in the generation of Digital Linear Prediction (ACELP) algorithm and the realization of the process. The program can be achieved in a TMS320C5510.)

2009-04-27 22:26:09下载

积分：1
ANFISCLUST_10SLOT
working of the fifth generation intelligent radio that is Cognitive Radio (CR) system which works on predictive data rate and propose ANFIS based learning scheme to introduce intelligence in it. The testing data set is taken from training set. Validation data set is unseen data. RMSE and prediction accuracy are used as performance index. Two gaussian membership functions are taken for each input. Error goal was set for .001.Training was for 300 epochs. It is seen prediction accuracy was 91 percentages in testing case and 89 in validation. RMSE difference between validation and testing case very small.

2011-11-29 23:02:21下载

积分：1
17869356wendu
有关CC2430的文档，里面的东西很实用，希望对你有帮助(The CC2430 document, which is very useful stuff, want to help you)

2010-03-10 12:43:37下载

积分：1
搭建BPSK+编码+交织仿真通信链路
说明：搭建 BPSK+编码+交织仿真通信链路，仿真分析在不同信道条件下的不同译码算法的误比特率性能。基于 matlab，搭建 BPSK+卷积编码+交织通信收发链路，仿真参数如下： 1) 信源比特速率： 100 b R kbps = 2) 卷积编码：码率为 1/2，生成多项式为（561,753） 3) 译码方式：维特比译码（硬判决译码、软判决译码（8 比特量化）） 4) 交织：行列交织，交织器深度为 100bit，宽度为 10； 5) 仿真点数：106 1. 在 AWGN 信道下，仿真并绘出该系统在硬判决和软判决（3bit 量化）两种译码方式下的信源误比特率曲线，并进行分析。 2. 设定某种交织器结构，在单径瑞利衰落信道（ 100 d f Hz = ）下，采用理想信道估计，仿真并绘出该系统在有无交织、不同译码方式（硬判决和软判决）时，在不同 0 b EN下的信源误比特率曲线，并进行分析。 3. 改变交织器结构，选择三种不同的交织深度（自行决定），在单径瑞利衰落信道（ 100 d f Hz = ）下，仿真并绘出该系统在不同交织长度时，在不同 0 b EN下的信源误比特率曲线，并进行分析。(Build a BPSK + encoding + interleaving simulation communication link, and analyze the different translations under different channel conditions The bit error rate performance of the code algorithm. Based on MATLAB, BPSK + convolutional coding + interleaved communication transceiver link is built, The simulation parameters are as follows: 1) source bit rate: 100 b r Kbps = 2))

2020-05-15 12:24:37下载

积分：1
stm32f411_mdk
STM32F411的心电测试程序，经过测试，绝对可用。(ECG_TESTCMSIScore_cm3.c ECG_TESTCMSIScore_cm3.h ECG_TESTCMSISstartupstartup_stm32f10x_hd.s ECG_TESTCMSISstartupstartup_stm32f10x_ld.s ECG_TESTCMSISstartupstartup_stm32f10x_md.s ECG_TESTCMSISstm32f10x.h ECG_TESTCMSISsystem_stm32f10x.c ECG_TESTCMSISsystem_stm32f10x.h ECG_TESTFWlibincmisc.h ECG_TESTFWlibincstm32f10x_adc.h ECG_TESTFWlibincstm32f10x_bkp.h ECG_TESTFWlibincstm32f10x_can.h ECG_TESTFWlibincstm32f10x_crc.h ECG_TESTFWlibincstm32f10x_dac.h ECG_TESTFWlibincstm32f10x_dbgmcu.h ECG_TESTFWlibincstm32f10x_dma.h ECG_TESTFWlibincstm32f10x_exti.h ECG_TESTFWlibincstm32f10x_flash.h ECG_TESTFWlibincstm32f10x_fsmc.h)

2017-11-26 22:54:19下载

积分：1
modbus
modbus rtu 校验vb源码，对VB学习者很有帮助(modbus rtu checksum vb source code, useful for VB learner)

2010-02-20 14:36:17下载

积分：1
SpectrumBasedCellularNetworks
spectrum cellular networks

2010-02-11 01:46:04下载

积分：1
IQ
说明：精心搜集的IQ解调方面的matlab程序和资料文档非常好快点下把(Carefully collected the IQ demodulation matlab program and data documentation is very good quickly download)

2012-04-23 16:48:04下载

积分：1
NOMA concept
power allocation in NOMA

2021-04-17 13:58:52下载

积分：1
Error-Correct-Coding
关于纠错码的很好的书籍。讲述了各种纠错码的原理(The error correcting code of good books. About the principle of a variety of error-correcting code)

2020-12-09 13:39:19下载

积分：1

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PCM编码解码matlab 代码

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