产生基带信号，仿真FSK调制与解调原理，采用相干解调解调从FSK调制信号，并绘出不同信噪比下的误码率曲线图
The baseband signal is generated, the principle of FSK modulation and demodulation is simulated, the coherent demodulation is used to demodulate the modulated signal from FSK, and the BER curves under different SNR are drawn (2021-01-09, matlab, 3KB, 下载0次)
设计一种具体的导引辅助的信道估计方法,用Simulink进行仿真,测量BPSK调制时的误码率性能,画出比特信噪比与信道估计
A specific guidance-assisted channel estimation method is designed and simulated with Simulink. The bit error rate (BER) performance of BPSK modulation is measured, and the bit-to-noise ratio (SNR) and channel estimation are drawn. (2019-03-28, matlab, 171KB, 下载3次)
模拟调制识别各特征参数随信噪比变化曲线。信号的瞬时信息包括瞬时幅度、瞬时相位、瞬时频率及其不同角度的统计特征值，其中瞬时幅度、瞬时相位、瞬时频率是一个信号最基本的特征。（AM、DSB、SSB、VSB、FM、AM-FM）
Simulated Modulation Recognition Curve of Variation of Characteristic Parameters with Signal-to-Noise Ratio (2019-03-07, matlab, 3KB, 下载17次)
用MATLAB产生一个频率为1Hz，功率为1的余弦信源，载波频率为10Hz，显示信号的波形及包络，求出调制信号的功率谱密度，以及相干解调后的信号波形
A cosine source with 1 Hz frequency and 1 power is generated by using MATLAB. The carrier frequency is 10 Hz. The waveform and envelope of the signal are displayed. The power spectral density of the modulated signal and the waveform of the coherent demodulated signal are obtained. (2019-01-22, matlab, 1KB, 下载2次)
用MATLAB产生一个频率为1Hz，功率为1的余弦信源，载波频率为10Hz，求出调制信号的功率谱密度，以及相干解调后的信号波形
A cosine source with 1 Hz frequency and 1 power and 10 Hz carrier frequency is generated by using MATLAB. The power spectral density of the modulated signal and the signal waveform after coherent demodulation are obtained. (2019-01-22, matlab, 1KB, 下载0次)
8. 单径瑞利信道中的四发四收V-BLAST：
(1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量16QAM调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。
(2) 计算所设计方案的频谱效率是多少，单位为bit/Hz/s。
8. Four transmit four receive v-blast in single-path Rayleigh channel:
(1) please design a specific navigation-assisted channel estimation method and conduct simulation with Simulink to measure the bit error rate performance of 16QAM modulation.The relation curve between the bit signal-noise ratio and the mean square error of channel estimation is drawn, and the relation curve between the bit signal-noise ratio and the bit error rate is drawn.
(2) calculate the spectral efficiency of the designed scheme in bit/Hz/s. (2019-01-15, matlab, 435KB, 下载13次)
3. 瑞利信道中的调制解调、信道估计：
(1) 请推导出单径瑞利信道中的BPSK相干解调的理论误码率性能，并画出比特信噪比与误码率的关系曲线。
(2) 在单径瑞利信道中，请设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线，并与理论误码率曲线进行对比。
3. Modulation demodulation and channel estimation in Rayleigh channel:
(1) deduce the theoretical bit error rate performance of BPSK coherent demodulation in single-path Rayleigh channel, and draw the relationship curve between bit signal-to-noise ratio and bit error rate.
(2) in single-path Rayleigh channel, please design a time-division guidance assisted channel estimation method, Simulink simulation, measure the bit error rate performance of BPSK, draw the relationship curve between bit SNR and bit error rate, and compare with the theoretical bit error rate curve. (2019-01-15, matlab, 161KB, 下载10次)
此matlab程序给出了调相调制（PM调制）与解调的仿真过程，并分析比较了在不同信噪比的条件下调制与解调的性能
This MATLAB program gives the simulation process of phase modulation ( PM modulation ) and demodulation, and analyzes and compares the performance of modulation and demodulation under different signal-to-noise ratios (2018-11-25, matlab, 1KB, 下载7次)
实现matlab下2ASK通过高斯白信道采用相干解调 的符号信噪比/误符号率/误比特率计算 。以及调制后波形的显示，包括2FSK仿真误码率','2FSK理论误码率图形。
Calculation of symbol signal-to-noise ratio / symbol error rate / bit error rate of 2ASK through coherent demodulation in white channel under matlab. And modulation waveform display, including 2FSK simulation error rate ','2FSK theory bit error rate graphics. (2017-10-16, matlab, 1KB, 下载12次)
OFDM信道估计仿真，运行时需要手动输入其循环前缀长度、最大多径时延扩展、最大多径时延扩展系数和信噪比
Simulation of OFDM channel estimation, the need to manually enter the cyclic prefix length, maximum multipath time delay, the maximum multipath delay spread coefficient and signal-to-noise ratio operation (2013-05-04, matlab, 7KB, 下载39次)
文档中介绍首先介绍了多用户MIMO模型，以及LTE中的多用户MIMO方案，通过仿真分析总结出当用户数较少时，在高信噪比条件下，ZF方案的系统吞吐量性能明显优于PU2RC方案。
Document describes first introduced a model of a multi-user MIMO, and LTE multi-user MIMO scheme, by simulation analysis summed up when the number of users is small, at high SNR conditions, the system throughput performance of the ZF program superior PU2RC program. (2013-01-16, matlab, 352KB, 下载179次)
OFDM 同步算法 MINN算法的MSE信噪比matlab程序
MSE SNR OFDM synchronization algorithm MINN algorithm matlab program (2012-10-15, matlab, 1KB, 下载149次)
在多用户M IMO系统中, 基于信漏噪比( SLNR)的预编码由于同时消除了共信道干扰( CC I) 和噪声而提高
了系统性能。
In multi-user M IMO system, based on the letter to noise ratio (SLNR) leakage of precoding because while eliminating cochannel interferences (CC I) and noise and improve
The system performance.
(2012-07-02, matlab, 1KB, 下载125次)
mimo-ofdm系统的仿真程序,通过平坦或衰落信道,信噪比与误码率的关系
MIMO-OFDM system simulation program, through the flat fading channel, descriptioning signal to noise ratio and bit error rate
(2012-04-23, matlab, 26KB, 下载44次)
一个非常完整的数字基带传输系统实现，包括信源产生，信道编码，交织，星座映射和基带成型，包括了完整的接收机设计，能够在此基础上做各种仿真，注释丰富，接口完善，极易扩展。
A very complete digital baseband transmission system implementation, including source generation, channel coding, interleaving, constellation mapping and baseband shaping, including a complete receiver design, this can be done on the basis of the simulation, rich annotation, interface perfect, easy to expand.
(2011-12-07, matlab, 103KB, 下载24次)
用Viterbi译码的方法进行解码，其中的编解码全部自己编写代码(S-Function方式)，在加性白高斯噪声信道中，画出比特信噪比与误码率的关系曲线。
With Viterbi decoding method of decoding, encoding and decoding them all to write your own code (S-Function mode), the additive white Gaussian noise channel, signal to noise ratio and bit error rate to draw the curve. (2011-10-17, matlab, 13KB, 下载3次)
cdma2000的Turbo码模拟，从编码到传输到解码，最后输出信噪比误码率曲线
the simulation of cdma2000 turbo code，from code to transport to decode，and the output is the line line of snr to ber (2010-08-04, matlab, 30KB, 下载31次)
用Matlab进行BPSK系统发送、接收端的仿真，含有发送端、AWGN信道、匹配滤波、下采样、解调、计算不同信噪比下的误码率，并绘制BER曲线
Matlab simulation of BPSK receiving system，including AWGN channel, match filter, down sample,demodulation and BER calculation (2010-01-25, matlab, 9KB, 下载77次)
利用卷积编码和BPSK调制方式，关于高斯白噪声信道下信噪比与比特误码率关系的Simulink仿真
The use of convolutional coding and BPSK modulation on the Gaussian white noise channel ,the relationship between SNR and bit error rate using Simulink simulation (2009-09-25, matlab, 8KB, 下载77次)
ofdm仿真器，外部功能。输入发射天线数和接收天线数，输出信噪比、误比特率
ofdm simulator, the external function. Importation fired several antennas and receiving antennas few, and the output signal-to-noise ratio, bit error rate (2007-06-04, matlab, 1KB, 下载37次)