alfabetta_abc

对检层法测井中出现的浅层时间倒转问题实现模拟，更好的理解测井中的这一问题。(Logging on Logging Method shallow back in time to appear in the issue of analog, a better understanding of logging in this issue.)

matlab code-Function performs hysteresis thresholding of an image. All pixels with values above threshold T1 are marked as edges All pixels that are adjacent to points that have been marked as edges and with values above threshold T2 are also marked as edges. Eight connectivity is used.

用matlab编写的关于天线问题的程序，用于计算细直导线电容(Prepared using matlab antenna problems on the procedures used to calculate the straight fine-wire capacitance)

用matlab去计算无缺陷的有限周期光子晶体的带隙问题(Using matlab to calculate the defect-free for a limited period photonic crystal band gap problem)

捷联惯性导航系统滤波程序，matlab源代码(Strapdown inertial navigation system, filtering procedures, Matlab source code)

BP神经网络作为若分类器，反复训练BP神经网络预测样本输出(As if the BP neural network classifier, repeated training samples of BP neural network output)

WiMax系统的方针程序，里面包含按IEEE.802.16e的协议编写的各种信道环境，适合对WiMax系统的性能仿真(WiMax systems approach procedures, which included preparation of an agreement by IEEE.802.16e various channel environment, suitable for WiMax System Performance Simulation)

通信系统里面的2FSK调制模块，simulink仿真(2FSK modulation)

产生噪声函数矩阵，噪声的大小可以根据参数改变。最后可以给图像加噪声(Noise function)

1-D Uniaxial-PML code