jangging_v43

matlab的ofdm仿真，包括结果，及中文解释。(ofdm simulation in matlab, including the results, and interpretation of English.)

预测未来几年的人口，采用逻辑回归模型预测，用的数据是87-20年的数据(Forecasting the population of the next few years)

function to do scan type 5

matlab应用程序一百个实例，大家可以下载，涉及很广。(100 matlab application examples, we can download, covering a very wide scope.)

说明：  一个动画模拟的粒子寻找最小值的一个简单程序，有助于学习粒子群法(an animated simulation of particles searching for the minima of a simple function，which helps you learn PSO. )

数字信号处理之相关源码集，是学习和应用数字信号处理的MATLAB7.0一些基本的源代码。(Digital signal processing related code sets, learning and application of digital signal processing MATLAB7.0 some basic source code. )

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.)

针对三维运动机器手臂的控制，设计基于反步控制法的控制器。(For three-dimensional motion of a robot arm control, step control law design is based on the anti-controller.)

利用prewitt、sobel、roberts边缘检测器进行边缘检测(Use prewitt, sobel, roberts edge detector for edge detection)

digital signal processing and matlab