Kode-Program-Algoritma-Nearest-Neighbor

四元数双曲空间的一些计算函数，主要包括求四元数的逆，相乘运算等(Some function for the quaternionic hyperbolic space, including the inverse and the product ect.)

文章Image information and visual quality的程序———应用视觉保真度（ＶＩＦ）的方法(Article Image Information and Visual quality program--- visual fidelity (VIF))

岭回归拟合数据，其中hw3_1_ridge.m使用的是岭回归的方法，hw3_1_MLE.m使用的是极大似然的方法。(fitting data with ridge regression using matlab)

概率神经网络的分类预测-基于PNN变压器故障诊断(Probabilistic neural network classification and prediction- PNN transformer fault diagnosis based on)

说明：  噪声中正弦信号的现代法谱分析，采用了直接法、间接法、Bartlett法和Welch法，分别分析了不同窗长度、不同窗函数和不同信噪比对谱估计的影响。(Modern normal spectrum analysis of sinusoidal signal in noise adopts direct method, indirect method, Bartlett method and Welch method. The effects of different window lengths, different window functions and different signal-to-noise ratios on spectrum estimation are analyzed respectively.)

matlab教程，对刚入门的同学会有些帮助，很详细地引导新手入门(matlab tutorial)

RCS一维成像 在暗室中对散射体进行测量，将测试数据进行保存。此程序可由测试数据计算一维像(RCS one-dimensional imaging in the dark of the scattering body measurements, test data to be saved. This procedure may be test data to calculate the one-dimensional like)

绘制不同情况下的升余弦滚降系统频谱，并画出其各自对应的时域波形(Draw different circumstances raised cosine roll-off system spectrum, and draw their own corresponding time-domain waveform)

无线传感器网络路由，平面路由协议TEEN matlab代码,对teen路由协议加以仿真。(Wireless sensor network routing protocol, plane routing protocol TEEN matlab code)

利用时域有限差分法模拟二维光子晶体光纤中光的传播(The use of FDTD simulation of two-dimensional photonic crystal fiber-optic transmission of light)