8 BP神经网络参考代码

说明：  任意阵列输出数据的协方差进行奇异值分解，求出特征值和特征向量，利用信号子空间和噪声子空间的正交性，构造空间谱函数(Arbitrary array output data covariance singular value decomposition, eigenvalues and eigenvectors obtained using the signal subspace and noise subspace orthogonality spectral function space constructor)

说明：  matlab基础教学系列6，一步步送入熟练(the door to matlab)

空时格码编码器(STTC encoder)

VES 3D framework for Windows

对复杂网络进行判定是否是连通图，输入参数是网络的邻接矩阵，如果是连通图，输出是1，如果不是，输出0.(directed or undirected graph)

说明：  瑞利衰落信道中空时编码仿真程序： 1.2根发射天线、1根接收天线2.最高信噪比为12dB，即仿真范围为0dB到12dB3.在每个信噪比条件下,误符号数超过20即停止该信噪比条件下的仿真4.每一帧数据为24个QPSK符号(Rayleigh Fading Channels Space-Time Coding Simulation Program: 1.2 transmission antennas, a receiving antenna 2. The highest SNR 12dB, that is, simulation range of 0dB to 12dB3. In each signal to noise ratio conditions, the number of symbol error over 20 that is, to stop the signal to noise ratio under the conditions of simulation 4. each frame 24 QPSK data symbols)

OFDM implementation using 64QAM

解一阶微分方程的matlab龙格库塔法计算程序算例(Solution of first-order differential equations Runge-Kutta method matlab program examples)

求任意带宽的低通、高通、带通高斯白噪声的自相关函数，自协方差函数和功率谱密度函数。(Seeking any bandwidth low pass, high pass, band pass Gaussian white noise autocorrelation function, autocovariance function and power spectral density function.)

说明：  ＵＷＢ中的ds编码ＱＰＳＫ调制，ＯＦＤＭ的调制．(UWB ds of QPSK modulation coding, OFDM modulation.)