FDTD-Method

在大数据处理时常用的一种线性鉴别方法，里面有讲解和源代码程序(When large data processing methods commonly used linear discriminant, there are explanations and source code)

IEEE802.16d模型属于对数正态阴影损耗模型，包含IEEE802.16d模型的仿真，并有相应的测试例，可以直接通过本源码得到模型详细数据(IEEE802.16d simulation model, and a corresponding test cases, detailed data model can be obtained directly by this source)

在Matlab中实现基于旋转尺度不变特征提取特征点的方法。(Matlab implementation of the rotation based on scale-invariant feature extraction method of feature points.)

利用MATLAB中的GUI（图形用户界面），实现图像的频率位移变换、加入高斯噪声、图像平滑、离散余弦变换、图像反转，并设计了退出按钮(In MATLAB GUI (graphical user interface), to achieve the image displacement transducer frequency, adding Gaussian noise, image smoothing, discrete cosine transform, image reversal, and designed the Exit button.)

有个ldpc码的介绍，很全面，很好，适合于初学者(A introduction abuat LDPC codes , very comprehensive, very good, and suitable for beginners)

使用matlab产生线性调频信号，并进行脉冲压缩处理。(Use matlab to produce linear FM signal, and pulse compression processing.)

该程序主要进行重力一位界面的反演，该程序精度准确,具有很好的实际应用效果。(The program mainly for gravity inversion of an interface, the program precision, with good practical results.)

FSK模拟信号源，利用ISE7.1或以上环境打开。(FSK signal simulator.The project can be open in ISE7.1 or upgrade version.)

steganography function to using DCT algorithms

2ASK信号的正交解调，包括2ASK信号的产生，与本地载波混频，低通滤波，求包络，恢复出原始信号等(the demodulation of 2ASK)