algorithms

1、典型连续时间信号波形绘制 1）单边指数信号 要求： (1) 画出t=0,1,2,…,500共501点 (2)在一个坐标系中用三种不同颜色分别绘制如下三种情况下的波形 (a) E=200,X=62.5 (b) E=200,X=125.0 (c) E=200,X=250.0 (3)标出特殊点的坐标，如t=0和 的坐标 代码为此题目的解 ()

找到的一个好的QPSK用matlab的smulink做的,很不错哦(QPSK found a good use matlab to do the smulink, very good, oh)

在阵列天线自适应信号处理中，经常会出现因为阵元位置信号角度估计等误差引起的，天线性能急剧下降的问题，在此运用稳健性的方法提出一种稳健的自适应阵列天线波束合成方法，来解决此问题(In the adaptive array antenna signal processing, often occur because the sensor position signal angle estimation error caused a sharp decline in the performance of the antenna problem, a robust adaptive array antenna beam synthesis method in this application of the robustness of the method to solve this problem)

说明：  pn序列用于信道估计的列子，很全面的源代码(Channel Estimation and Equalization based on PN sequence)

现需要在高度为600~700KM范围内，回归周期为30天的太阳同步轨道上布置一颗L波段的合成孔径雷达卫星。 1. 请设计合适的轨道参数，并仿真对应轨道下一个运行周期内星下点轨迹图（纬度和经度两个图）； 2. 计算多普勒中心频率，多普勒调频率与纬度的关系图（设姿态角为0°，天线视角20°~60°，推荐35°）； 3. 按高斯投影方式，将星下点轨迹图投影到地图坐标上。(Now requires a height of 600 ~ 700KM range, return period of 30 days are arranged on a sun-synchronous orbit L-band Synthetic Aperture Radar satellites. 1 Please design the appropriate orbital parameters and simulate the corresponding orbit within the next operating cycle nadir trajectories (latitude and longitude two graphs) 2. Calculate the Doppler center frequency, Doppler frequency and the relationship between latitude Figure (set attitude angle is 0, the antenna angle of 20 to 60, recommended 35) 3 Press Gauss projection, the nadir trajectories projected onto the map coordinates.)

说明：  matlab与数学建模--源程序 我是初学者，大家可以参考一下(matlab mathematical modeling- source I am a beginner, we can refer to)

blob代码分析，真正的代码分析，超好的资料超详细，欢迎下载，(blob code analysis, the real code analysis, super good super-detailed information, please download,)

说明：  用基本遗传算法求解一维无约束优化问题 用顺序选择遗传算法求解一维无约束优化问题 用动态线性标定适应值的遗传算法求解一维无约束优化问题 用大变异遗传算法求解一维无约束优化问题 用自适应遗传算法求解一维无约束优化问题 用双切点遗传优化求解一维无约束优化问题 用多变异位自适应遗传优化求解一维无约束优化问题 (The basic genetic algorithm with one-dimensional sequence of unconstrained optimization problems using genetic algorithm selected one-dimensional non-linear constrained optimization problem of dynamic calibration of genetic algorithm to adapt to the value of one-dimensional unconstrained optimization genetic algorithm with a large variation of one-dimensional unconstrained adaptive genetic algorithm for optimization problem solving unconstrained optimization problems one-dimensional cut by two-dimensional point of GA for solving a problem of unconstrained optimization adaptive genetic optimization with variable ectopic solving one-dimensional unconstrained optimization problem)

EKF,PF,MVEKPF仿真算法，关于这几种卡尔曼滤波算法、粒子滤波算法的仿真对比分析。(The simulation algorithm of EKF,PF,MVEKPF。 About the several kalman filtering algorithm, particle filter algorithm simulation analysis. )

信号研究方面的分布式目标DOA算法，经过验证的算法(Distributed target signal DOA algorithm research, proven algorithm)