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一个三维共形时域有限差分方法，很实用，对于处理三维FDTD算法问题，很有实际价值。(A three-dimensional conformal finite-difference time domain method is very practical.It has practical value to deal with the problem of 3D fdtd algorithm.)

说明：  用matlab仿真实现ldpc编解码，BPSK调制, 测定误码率与信噪比的关系(Using matlab simulation to realize LDPC Encoding and decoding, BPSK modulation, and to determine the relationship between bit error rate and signal-to-noise ratio)

I ve decided to produce this list of wireless tips and tricks to benefit the first time or seldom user of Matlab interested in wireless and communication design.(I' ve decided to produce this list of wireless tips and tricks to benefit the first time or seldom user of Matlab interested in wireless and communication design.)

digital flir filter with matlab . plotting

Feeding antennas with proper signals can be difficult. The signal is often described as a voltage, and voltages are not well defined in electromagnetic wave formulations. There are several tricks to model voltage generators in such situations, and one is the magnetic frill. This model shows the basic steps of defining a magnetic frill voltage generator for a dipole antenna, and it also compares the resulting antenna impedance with known results.

程序功能：函数holder2给定向量x≠0,计算Householder初等变换阵的p,u(Householder resolve to equation)

说明：  高压直流输电线路电磁场的计算，指导高压直流输电线路的铺设。计算安全上线(HVDC transmission line calculation of electromagnetic fields to guide the laying of high voltage direct current transmission lines. Computationally secure on-line)

阵列信号处理，自适应波束形成器,用matlab实现线性阵列自适应波束形成，并用GUI实现波形输出(adaptive beamforming ，matlab code and the GUI figure)

地震数据格式之间的转换，sac，miniseed，seed，这些数据格式进行转换(Seismic data conversion between formats, sac, miniseed, seed, the data format conversion)

基于Matlab的类photoshop的程序代码，可以直接对图像进行编辑。(Photoshop classes Matlab-based code, you can directly edit the image.)