hs_err_pi

一维FDTD 一维FDTD 一维FDTD 一维FDTD (One-dimensional FDTD one-dimensional FDTD one-dimensional FDTD one-dimensional FDTD)

本程序使用matlab编写，采用非加权最小二乘法进行相位展开，得到展开的相位(This program is written by matlab。 using the method of non-weighted least squares, the phase would be unwrapped)

说明：  带瑞丽衰落信道高斯白噪声的QPSK调制解调信道，可以得到功率谱波形和星座图(with Ruili fading channel Gaussian white noise QPSK demodulator access that can be power spectrum waveform and constellation)

PSO粒子群算法工具箱，该工具箱可以实现粒子群算法(PSO particle swarm optimization toolbox, the toolbox can be achieved PSO algorithm)

一个产生PFM的simulink模型，可以改变占空比与频率(generating repeating sequence)

OFDM系统中信道估计的ls,mmse算法性能比较程序(OFDM system channel estimation of the ls, mmse algorithm performance comparison procedures)

MATLAB_SIMULINK通信系统建模与仿真分析(MATLAB_SIMULINK communications system modeling and simulation analysis)

弱信号检测中，LFM信号经过匹配滤波器的应用(Weak signal detection of LFM signal in the application of matched filter )

双曲型方程Lax-Wendroff的差分格式程序(Matlab)，非常好的例子，具体算例，有理论分析，解题过程分析，Matlab代码，注释清晰明了，有计算结果输出和图形显示，按照Word文档说明，很快就能学会，操作简单明了，非常适合新手学习。(Lax-Wendroff hyperbolic equation difference scheme (Matlab) program, a very good example, specific examples, theoretical analysis, problem-solving process analysis, Matlab code, comments clear, with the output results and graphical display, according to the Word documentation, and soon will be able to learn, easy to understand, very suitable for beginners to learn.)

sift的matlab代码，是最新的,效果不错，其中有很多详细说明，可以试试。(sift the matlab code, is the latest, well, there are a lot of detail, you can try.)