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ex4
- 仿真采用QPSK和16-QAM调制时，接收机采用理想信道估计和利用训练符号进行信道估计的误比特率性能-The simulation using QPSK and 16-QAM modulation, receiver with perfect channel estimation and using training symbols for the bit error rate performance of the channel estimation
yuyinshengka
- 2PSK，QPSK，MSK，QAM的调制方式鉴别，其中有符号速率的估计，频偏的估计，确定载频，并画出星座图，用simulink编写-2PSK, QPSK, MSK, QAM modulation scheme identification, including the estimated symbol rate, frequency offset estimate to determine the carrier frequency, and draw the constellations, w
180940
- 运行主函数qam,m,可得到调用理论误符号率曲线和仿真结果,-Run the main function of qam, m, can be called theory of symbol error rate curve and the simulation results,
und-error
- 运行主函数qam,m,可得到调用理论误符号率曲线和仿真结果,-Run the main function of qam, m, can be called theory of symbol error rate curve and the simulation results,
rzte
- 运行主函数qam,m,可得到调用理论误符号率曲线和仿真结果,(Run the main function of qam, m, can be called theory of symbol error rate curve and the simulation results,)
OFDM source code
- OFMD系统包含8个子载波，f=1Hz，子载波频率间隔为1Hz，每个子载波4-QAM，符号周期1s(The OFMD system contains 8 sub-carriers, f = 1 Hz, sub-carrier frequency interval is 1 Hz, 4-QAM per sub-carrier, symbol period 1s)
16QAM调制解调
- % QAMModem.m程序清单 % 仿真4比特原始数据与星座图的编码映射过程； % 完成16QAM信号的调制解调； % 基带信号符号速率 ps ＝1Mbps； % 成形滤波器的滚降因子 a=0.8； % 载波信号频率fc=2MHz ； % 采样频率 Fs=8MHz ； % 绘制16QAM信号的频谱及时域波形； % 采用相干解调法仿真其解调过程； % 绘制解调前后的基带信号时域波形； % 将原始基带数据、QAM已调数据、滤波器系数写入相应的文本文件中。 clc;(%Qamm