qpsk

加行高斯白噪声下的低密度奇偶校验码的算法，简单的程序，对初学者有用。(Add the line under the Gaussian white noise low-density parity-check codes of the algorithm, a simple procedure, useful for beginners.)

说明：  经典功率谱估计welch例子，可以用于入门学习。(Welch classic example of the power spectrum estimation, can be used for getting started.)

计数型抽样检验分析程序 按超几何分布计算(Counting of sampling inspection procedures by calculating the hypergeometric distribution)

C program to map particle movement over a vectored velocity field

基于卡尔曼滤波器的锂电池SOC预测，通过仿真并得到印证，证明了方法的可行性。(SOC prediction of lithium battery based on Calman filter)

gmres算法的一个特殊形式，用来求解大型稀疏矩阵方程(gmres algorithm a special form used to solve large sparse matrix equation)

主要介绍和分析了某雷达的脉冲压缩及其旁瓣抑制技术，并给出了其工 程实现方法。 (Introduces and analysis of a radar pulse compression technology and its side-lobe suppression, and gives its workers Process to achieve )

在一个具有几个顶点的连通图G中，如果存在子图G 包含G中所有顶点和一部分边，且不形成回路，则称G 为图G的生成树，代价最小生成树则称为最小生成树(If there subgraph G ' contains all vertices in G, and part of the side, and does not form a loop, then G' in a few vertices connected graph G is the spanning tree of a graph G consideration of the minimum spanning tree is called minimum spanning tree)

輸入點位於WGS84之大地經、緯度，可於命令窗顯示此點之卯酉圈曲率半徑N、子午圈曲率半徑M及平均曲率半徑R及此點之空間直角坐標X、Y及Z。(Input point is located in the WGS84 geodetic latitude and longitude can be displayed in the command window of the prime vertical radius of curvature point N, M meridian radius of curvature and the average radius of curvature R and the point of the space rectangular coordinates X, Y and Z.)

to find the discrete fourier transform using the fast fourier algorithm, any sequence of lengths which are multiples of 2 simply append zeros to satisfy this requirement