arc-length-theory

算术编码是用符号的概率和它的编码间隔两俩个基本参数来描述的。算术编码可以是静态的或是自适应的。(Arithmetic coding to both of two basic parameters to describe the probability of the symbol and its coding interval. Arithmetic coding can be static or adaptive.)

贝塞尔函数与汉克尔函数的Matlab实现(Bessel function and Hankel function of the Matlab implementation)

进行结构响应分析的Wilson法，是直接积分的基本算法之一，相信进行有限元动力分析编程的诸位都能用上(structural response analysis of Wilson, which is direct integration one of the basic algorithm, believe that the dynamic finite element analysis program you can use)

通信領域於天線上常運用的波束集成，以matlab寫成。能模擬不同距離造成的波束形狀之不同。也加入部份Dolph-Chebyshev最佳化方法。(A traditional beamformer that can simulate differnt distance from the origin, and some implementation using Dolph-Chebyshev amplitude distribution.)

这是fotran的非线性有限元程序，包括1D，2D程序(fortan NFEM )

针对多径效应的影响，提出了一种基于矩阵束的MIMO 雷达低仰角快速估计方法。该方法同时考虑了发射多径信号和接收多径信号，采用单样本数信号矢量构造了一个前后向矩阵束，并利用两个酉矩阵对该矩阵束进行降维处理，最后采用广义特征值分解的总体最小二乘法来估计目标角度。算法不需要估计数据协方差矩阵，可在低 信噪比和单样本数情况下，有效地克服多径效应，实现同时多目标低仰角估计，相比最大似然算法，避免了谱峰搜索，计算量小。仿真结果验证了该算法的有效性。(To overcome the multipath effect, a fast algorithm for low elevation estimation for MIMO radar via matrix pencil is proposed. The signals both in transmit multipath and receive multipath are considered. Firstly, a forward-backward matrix pencil is formed based on the single-sampled vector. Secondly, the reduced-dimensional processing is applied to the matrix pencil via two unitary matrices. Finally, the generalized eigen-decomposition is employed to estimate the low elevation in multipath environments directly. Without the covariance matrix estimation, the proposed method can overcome multipath effect effectively in case of low SNR and estimate multi-target simultaneously. Compared with Maximum Likelihood (ML) method, it avoids spectrum peak searching and reduces the computational burden. Numerical results verify the effectiveness of this method)

用遗传算法编的求解最优潮流的目标函数和住程序(Optimal Power Flow with genetic algorithm programmed objective function and live program)

说明：  基于神经网络的数字预失真技术，即智能DPD(Digital Predistortion Technology Based on Neural Network)

有限差分法的径向滑动轴承求解，可用于求解油膜厚度、油膜压力等(Radial sliding bearings for solving finite difference method can be used to solve the oil film thickness, oil pressure, etc.)

Generic templates of algorithms for sparse matrixs