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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.)

利用MATLAB实现的最小包围矩形算法，精简实用(MATLAB implementation of the minimum bounding rectangle algorithm)

IMM Particle Filter for ballistic projectile tracking

说明：  随着信息容量的增加和频率资源的稀缺，为提高单位频带利用率，在微波通信系统中越来越多地采用多电平多相位的复杂信号调制方式，尤其是正交幅度调制(QAM)得到了大量的应用，从早期的4QAM到今天的16QAM。高阶QAM调制大容量数字微波通信系统为了保证服务质量，降低误码率，(long with the increase of information capacity and frequency resource scarcity, for improving the utilization ratio, unit of microwave communication bandwidth used more and more in the system of multilevel much phase modulation method complex signal amplitude modulation )

智能控制中的新热点问题，swarm现象的模拟仿真实现，可以自由调整种群数目大小(Intelligent Control of the new hot issues, the phenomenon swarm simulation achieved, Stocks can be free to adjust the size of the number of)

基于LabVIEW 和Matlab 混合编程的小波去 噪方法，文应用小波变换算法，并将其结合LabVIEW 虚拟仪器开发平台、MATLAB 中小波去噪工具箱的小波去噪函数进行仿真(Method of wavelet denoising based on mixed programming of LabVIEW and Matlab，it discussed the wavelet algorithm and combined it with LabVIEW and MATLAB, take advantage of the wavelet denoising function of the MATLAB wavelet tool box to simulation)

图论中的匈牙利算法，对于研究网络的人十分的有用(Graph Theory in the Hungarian algorithm, for the research network of people is very useful)

ica 的基础性文献， 对理解ica原理 及发展很有参考价值。(ica of the basic literature, theory and development in understanding ica useful reference.)

此程序为混有高斯白噪声的多径信道下的仿真，参数根据需要可以再次优化(This procedure mixed with white Gaussian noise multipath channel simulation, the parameters required can be re-optimized)

基于Matlab进行傅里叶变换的算法及程序代码(Matlab-based Fourier transform algorithms and program code)