sift

An Introduction to Digital Image Processing with Matlab

如上图所示，定向耦合器由完全相同的直波导与弯曲波导构成，波 导芯为宽高比相同（均为 a） 的正方形， 其工作波长，波导材料 对 TE 模式的折射率，及圆弧形弯曲波导的半径 r 等参数如图所 示，若波长为 1550 nm， 归一化光功率为 1 的光波从直波导输 入，请选择适当的满足单模工作的波导宽度 a， 然后给出从圆形弯 曲波导输出的归一化光功率 P4与两波导边缘的间距 d(Directional coupler by the same straight and curved waveguides constituting the waveguide, waves Conducting core is the same aspect ratio (are a) square, its operating wavelength, the waveguide material The refractive index of the TE mode and the arc-shaped curved waveguide of radius r and other parameters as shown Shown, if the wavelength of 1550 nm, normalized optical power a light straight waveguide input In, the appropriate work to meet the single-mode waveguide width a, and then is given a circular bend Curved waveguide output normalized optical power P4 and two edges of the waveguide spacing d)

对传统结构进行改进。能运行，自抗扰技术 滑膜变结构(Improve the traditional structure. Energy-operated, self-interference-resistant technology)

使用matlab 感知器工具箱函数newp编写单层感知器文件，模式识别作业(Use the matlab perception toolbox function newp the preparation of single-layer perceptron file, pattern recognition operations)

本算法利用matlab及libsvm软件包中提供的函数实现了SVR回归模型的仿真测试，并应用于混凝土抗压强度预测中。(The algorithm uses the libsvm matlab and functions provided in the package to achieve a SVR regression model simulation testing, and applied to predict the compressive strength of concrete.)

ahp的matlab程序，输入矩阵即可使用(ahp matlab program, you can use the input matrix)

segmentation of letters

LEACH COD EWITHOUT DIRECT TRANSMISSION

PCA又为主成分分析，是一种特征提取方法， 它通过线性变换寻找一组最优的单位正交向量基，用他们的线性组合来重构原样本(PCA and the main component analysis, a feature extraction method, which by finding a set of optimal linear transformation unit orthogonal base vectors, with their linear combination to reconstruct the original sample)

基于NLMS，RLS等算法的自适应回声消除。(Adaptive echo cancellation based on NLMS, RLS and other algorithms.)