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数字视频图像传输系统实现中几个问题的研究
- MATLAB程序的仿真比较。随后，针对QPsK，详细讨论了其基本原理和具体的实现算法，并进行了仿真验证，然后选用HSP502巧数字上变频芯片和HSP50214B数字下变频芯片，设计了数字调制、解调器的实现方案。最后，作为对整个数字视频图像传输系统的宏观认识，利用M户JLAB中的实时建模仿真Simullnk库对典型的视频图像传输系统一数字视频广播系统(D vB)，进行了建模、仿真和初步的分析，结果表明:在高斯白噪声的传输环境下，系统采取的一系列抗干扰措施，包括内、外码级联的信道纠错编码和先进的调制
Cooperation_diversity_through_coding
- 协作分集通信中的一些子模块，包括CRC校验程序，卷积码编解码程序，QPSK调制解调程序-Diversity collaboration of a number of communication modules, including CRC checksum procedure, convolutional codes codec procedures, QPSK modulation and demodulation procedures
QPSKwithmatlabcode
- QPSK with matlab codes
bpsk8pskqpsk
- 二进制移相键控，八进制移相键控和多进制移相键控的matlab源代码-2psk,8psk and Qpsk souce codes
some_modulation_methods_fading_channel
- 代码包内的各个代码包括了原始信息经过BPSK,QPSK,OQPSK,16QAM等各种方式调制，经过衰落信道传输并在接收端解调，统计误码率的过程的整体实现-the matlab codes is an implementation of the original information transimission process using different modulation methods through fading channels,including ber calculation
16Qam
- bpsk 16 qam误码率分析,通过高斯白噪声，终端接收，通过分析了解16 am调制解调原理-this file is adout" bpsk 16 qam ",through the codes yuwill finish your duty
DS_CDMA_communication_system
- 这个仿真程序用于实现DS-CDMA通信系统仿真,包含三种扩频码的选择，QPSK调制解调，瑞利信道衰落等。-The simulation program used to implement DS-CDMA communication system simulation, including the choice of three types of spreading codes, QPSK modulation and demodulation, Rayleigh fading channel a
Codes
- The main code is called "comparison of equalization schemes". It uses functions, defined seperately to compute the bit error rate for different typs of equalizers. That means times domain equalizer (TDE) with minimum mean square (MMSE) and zero
hamming
- program for ofdm,ofdm_ber,coding and decoding(with interleaving),qpsk,hamming codes.
SymofTurboQPSK
- turbo码的MATLAB simulaiton 采用硬输出判定 支持qpsk -turbo codes using MATLAB simulaiton qpsk hard output decision support
STBC_MIMO_OFDM
- 这是一个基于空时分组编码的MIMO_OFDM通信系统的仿真设计。此系统包括QPSK调制解调，IFFT调制，空时编解码，基于训练符号的信道估计等通信模块。希望对大家有帮助！ -This is based on the space-time block codes of MIMO_OFDM communication system simulation design. This system includes QPSK demodulation, IFFT modulation, space-t
ModTest20120509_0
- Gray码的QPSK,8PSK,16QAM在AWGN下的调制解调程序，给出了BER,SER性能，做了理论曲线的对比，结果与理论值一致。三种调制方式都可以。程序注释详细，并附说明文档。 hcq908@163.com 20120509 - QPSK,8PSK,16QAM modulation and demodulation in AWGN channel with Gray coding. The BER and SER performance are presented and com
exp
- MATLAB codes for BPSK, QPSK, Differential BPSK, Pulse shaping and link budget calculation are uploaded
SYNTHESIS-OF-BPSK-AND-QPSK-MODULATIONS-IN-MATLAB-
- SYNTHESIS OF BPSK AND QPSK MODULATIONS IN MATLAB AND QPSK ILUSTRATION WITH HAMMING CODES
signal
- 几种常用的MATLAB数字信号处理的信号代码，包括LFM、FSK、BPSK、QPSK、sin等信号-matlab codes for some useful signal to study digial signal processing, includ LFM\FSK\BPSKQPSK\sin and so on.
QPSK
- matlab prgram QPSK signal, Bipolar codes，you can design the frequency by yourselves.you also design signal to noise ratio by changing the parameter-matlab prgram QPSK signal, Bipolar codes，you can design the frequency by yourselves.you also desi
LDPC-master
- C and MATLAB implementation for LDPC encoding and decoding-Overview of what is provided WiFi (IEEE 802.11n) LDPC code construction Encoding by back-substitution for WiFi LDPC codes Iterative belief propagation (BP) Decoding (including
TELE - 653 Digital Coding
- e Handbook Entry Communication concepts: Fourier transforms, random signals, Transmitter and receiver filters, matched filter, Nyquist criterion. Digital Modulation schemes: M-ary ASK, QPSK, FSK, CPM, spectral analysis of modulated signals, ML and