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juanjima
- 仿真（2，1，2）卷积码编解码器在二进制对称信道（BSC）中的误码性能，画出纠错后误码率-信道误码率曲线，其中，编码器的生成多项式为g1=[111]、g2=[101]。-imulation (2,1,2) convolutional encoding and decoding the binary symmetric channel (BSC) in the error rate performance, bit error rate after correction drawn- the ch
ofdm
- OFDM在MATLAB中的仿真程序，包括数据生成，数据传输，干扰，误差补充，数据接收，误码率的计算。不过误码率很大，达到0.5，希望对大家有用。-OFDM in the MATLAB simulation program, including data generation, data transmission, interference, error added, data receiving, the bit error rate calculations. But a large erro
QPSK_system_BER_simulation
- 进行QPSK的BER算法的仿真，计算误码率-The BER for QPSK simulation algorithm to calculate the bit error rate
Fig6and7
- 进行空时分组码的编译码仿真，仿真出不同信噪比下的性能，得出误码率曲线。-For space-time block code encoding and decoding simulation, simulation performance under different signal to noise ratio obtained BER curves.
OFDM_bpsk
- 一般的ofdm仿真程序都是用QPSK方法 本程序用的是BPSK 并且画出了OFDM在bpsk的情况时的误码率和误符号率-Ofdm simulation program are the general method with QPSK is used in this program and draw the OFDM BPSK bpsk the situation in the bit error rate and symbol error rate
ex9
- 用基带等效的方式仿真16-QAM载波调制信号在AWGN信道下的误码率和误比特率，并理论相比较-16-QAM carrier modulation signal the AWGN channel bit error rate and bit error rate equivalent baseband simulation and theoretical comparison
Bpskruili
- BPSK调制在瑞利衰落信道下的误码率性能仿真-BPSK modulation BER performance in Rayleigh fading channel simulation
ex11
- 在matlab环境下仿真比较4-QAM和4-fsk信号的调制在瑞丽信道的误比特率与误码率 多普勒频移100Hz-Comparison 4-QAM and simulation 4-fsk modulated signal and the bit error rate BER Ruili channel 100Hz Doppler shift
psktiaozhi
- 完成M=4的PSK通信系统仿真，计算误码率以及无比特率-The completion of M = 4 PSK communication system simulation, calculation error rate and very special rates
DPSKxingneng
- 完成M=4的DPSK通信系统仿真，并求出其相应的误码率、误比特率-M = DPSK complete communication system simulation, and find its corresponding error rate, bit error rate
16QAM-simulation
- 与已有的代码相比，本代码不仅包含调制解调、星座图、误码率等已有功能，更添加蒙特卡洛仿真，具有更好的性能，程序会产生一些图，能看清楚调制解调的过程中一步一步的编解码过程。-Compared with the existing code, the code contains not only the modulation and demodulation, constellation diagram, such as bit error rate for existing function, mor
ofdm
- 基于matlab的ofdm系统仿真，绘制了误码率信噪比曲线-Matlab-based ofdm system simulation, signal to noise ratio curve drawn BER
df364
- 包括最小二乘法、SVM、神经网络、1_k近邻法,本科毕设要求参见标准测试模型，给出接收信号眼图及系统仿真误码率。- Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Undergraduate complete set requirements refer to the standard test models, The received signal is given eye
sang_v82
- 给出接收信号眼图及系统仿真误码率，旋转机械二维全息谱计算的实用例程，直线阵采用切比学夫加权控制主旁瓣比。- The received signal is given eye and BER simulation systems, Rotating Machinery dimensional hologram of practical spectrum calculation routines, Linear array using cut than learning laid upon the
pao_eg17
- 给出接收信号眼图及系统仿真误码率，可以广泛的应用于数据预测及数据分析,本程序的性能已经达到较高水平。- The received signal is given eye and BER simulation systems, Can be widely used in data analysis and forecast data, The performance of the program has reached a high level.
基于高斯白噪声信道BPSK调制下的误码率与信噪比的关系
- MATLAB代码 公式推导的时候信噪比的单位是B，目的是为了推导的方便，代码在写的时候需要记得换算。 单个符号的比特数跟信噪比有关，snr越大，其越大。 由于符号1被误认为是0的概率与符号0被误认为是1的概率是一样的，因此无论蒙特卡洛的仿真次数是多少，误码率的理论计算值 与蒙特卡洛仿真值永远一样！(条件是高斯白噪声为0均值的) 为了让实际结果与理论值完全一样，高斯白噪声的概率密度函数中的均值需要为0！但是这个条件在实际生活中无法满足。 环境是不能改变的，因此噪声的均值是无法改变的。