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main(QPSK)

于 2021-03-04 发布

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下载积分: 1 下载次数: 2

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代码说明：

说明：基于matlab实现OFDM，调制方式为QPSK，可以对信道的状态进行估计(OFDM is realized based on MATLAB, the modulation mode is QPSK, and the channel state can be estimated)

文件列表：

addnoise.m, 297 , 2008-03-04
baseMapping.m, 1778 , 2019-05-13
bitcreate.m, 781 , 2019-05-30
deMapping.m, 3105 , 2019-05-15
demoduqam16.m, 941 , 2019-05-11
DFT_estimation.m, 1461 , 2019-06-02
Ergodic_Capacity_vs_SNR.m, 970 , 2019-05-20
error_count.m, 271 , 2008-02-25
estimation.m, 7083 , 2019-05-20
guard_interval_insert.m, 490 , 2019-05-13
guard_interval_remove.m, 280 , 2019-05-13
insert_pilot.m, 2122 , 2019-05-20
lmmse_estimation.m, 979 , 2019-05-20
lr_lmmse_estimation.m, 1747 , 2009-05-27
ls_estimation.m, 681 , 2019-05-14
main.m, 11428 , 2019-06-02
main_original.m, 11170 , 2019-05-13
mse_DFT.m, 226 , 2019-05-25
mse_lmmse.m, 302 , 2019-05-25
mse_ls.m, 160 , 2019-05-25
multipath_chann.m, 1839 , 2008-03-03
ofdm.m, 1047 , 2019-05-20
plot_astrology.m, 270 , 2019-06-01
Qam_different.m, 613 , 2019-05-07
rayleighnew.m, 1758 , 2008-02-25

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8psk
（1）分析QPSK调制、解调原理，并画出其系统框图；（2）产生等概率且相互独立的二进制序列，作为待传输的信号，并画出其波形；（3）进行8PSK调制，分别画出I、Q两支路信号经过乘法器后的波形以及8PSK调制波形；（4）产生均值为0，方差为1的加性高斯随机噪声，画出其时域波形及频谱；（5）将加性高斯随机噪声作为传输信道的干扰，画出接收端信号的时域图；（6）进行8PSK解调，输出解码序列，画出解调后信号波形；（7）计算系统信噪比、传输误码率。((1) analysis of QPSK modulation, demodulation, and draw the system block diagram (2) have equal probability and independent binary sequence as a signal to be transmitted, and draw the waveform and (3) 8PSK modulation, Draw the I, Q two way signal multiplier waveform and 8PSK modulation waveform (4) to produce zero mean and variance of an additive Gaussian random noise, to draw the time-domain waveform and spectrum ( 5) the additive Gaussian random noise interference as a transmission channel, to draw the time-domain diagram of the receiver signal (6) 8PSK demodulator output decoding sequence, draw the demodulation of the signal waveform computing system (7) signal-to-noise ratio, the transmission bit error rate.)

2012-06-24 13:16:59下载

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29625281MIMO-channel-matlab
说明： MIMO干扰广播信道分布和效用最大化的一种迭代加权MMSE方法(An Iteratively Weighted MMSE Approach to Distributed Sum-Utility Maximization for a MIMO Interfering Broadcast Channel)

2019-04-17 16:49:38下载

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C# 串口例子，含有Modbus通讯，已经过测试，保证可用(C# serial port example, contain a Modbus communication, has been tested to ensure that available)

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null
说明：空域零陷，首先用doa技术估计直达波方向，然后置零，用于直达波消除。(In spatial nulling, DOA technique is used to estimate the direction of direct wave, and then zeroing is used to eliminate direct wave.)

2019-03-07 09:41:22下载

积分：1

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