MATLAB Code for QPSK Modulation and Demodulation 因为在学习5G物理层，一直很忙，没有时间。最近稍有...
The SIW-based system with Quadrature Phase Shift Keying (QPSK) modulation and demodulation technique is designed and implemented. The measurement results show that the proposed system has up to 8 Gbps transmission data rate, which doubles the transmission rate compared with traditional mixing system....
5 % carrier frequency for modulation and demodulation 6 fc=5e6; 7 %QPSK transmitter 8 data=100 ; %码数率为5MHZ %原码个数 9 rand_data=randn(1,data); 10 for i=1:data 11 if rand_data(i)>=0.5 12 rand_data(i)=1; 13 else 14 rand_data(i)=0; 15 end 16 end 17 figure(1) 18...
4%假定接收端已经实现载波同步,位同步(盲信号解调重点要解决的问题:载波同步(costas环(未见到相关代码)),位同步(Gardner算法(未见相关代码)),帧同步) 5%carrier frequencyformodulation and demodulation 6fc=5e6; 7%QPSK transmitter 8data=100;%码数率为5MHZ%原码个数 9rand_data=randn(1,data); 10fori=1:...
1)QPSK modulationQPSK调制 1.Design the schemes of all digital DS-QPSK modulationand demodulation of the high speed Direct Sequence Spread Spectrum communication system.论文围绕高速扩频通信系统设计的DS-QPSK调制解调技术展开,主要研究了直扩发射,接收机中的扩频,数据调制,伪码快捕与跟踪、载波同步、数据解调等...
QPSK Modulation and Demodulation System Using SIW Interconnect In this paper, design and fabrication of a substrate integrated waveguide (SIW) with 14-28 GHz bandwidth is implemented. The SIW-based system with Quadratu... N Wang,X Li,W Xin,... 被引量: 0发表: 2015年 PSK and QPSK Modulati...
addition, this design employs phase selection ,compared with the PM demodulation method,phase selection is simpler,more suitable for FPGA implementation,the reliability of the system is higher.The analysis of simulation waveform indicates that the programme achieves QPSK modulation and demodulation ...
The paper is divided into five parts, the first chapter is the introduction, introduced QPSK the research background of the subject and topic content and the organization of thisthesis; the second chapter briefly introduces the QPSK modulation and demodulation principle and method, the system elabora...
6、n is simpler and more suitable for FPGAimplementation, system reliability is also higher. Through the analysis of the simulation waveform shows, the program achieved good QPSK modulation and demodulation functions.Keywords;FPGA;QPSK;modulation;demodulation弓I言11工作环境21.1 QPSK的简介21.1.1QPSK 原理...
1、QPSK调制解调完整程序(配有自己的注释)QPS醐制解调完整程序(配有注释)clc;clearall;%段定接收端已经实现载波同步,位同步(盲信号解调重点要解决的问题:载波同步(costas环(未见到相关代码),位同步(Gardner算法(未见相关代码),帧同步)%carrierfrequencyformodulationanddemodulationfc=5e6;%QPSKtransmitterdata=5000;洌...