multiuser

大学数学实验的相关资料，方便掌握MATLAB的学习，对MTLAB更好的运，这是实验2的相关资料(Experimental Mathematics, University of the relevant information for learning to master MATLAB on MTLAB better transport, which is the relevant data of experiment 2)

用于斜视聚束式SAR成像的非线性频率变标算法，有完整数学模型。(Nonlinear Frequency Scaling Algorithm for High Squint Spotlight SAR Data Processing)

通过比较奇异谱图和高阶奇异谱图得出结论：高阶奇异谱分析能够更好的二次确定嵌入维数。最后根据Takens嵌入定理进行相空间的重构。(By comparing the spectra of singular spectrum and higher-order singular conclusion: High singular spectrum analysis to better determine the embedding dimension of the secondary. Finally, according to Takens embedding theorem for phase space reconstruction.)

太阳能电池PV特性 基于matlab/simulink仿真(Solar PV matlab)

太阳能PV模型的代码，可直接复制输入得到需要的结果(The solar PV model code can be copied directly input to obtain the desired results)

数字信号处理及其MATLAB实现 对于信号处理的同学这是一本很有用的资料(Digital signal processing in MATLAB classmates for signal processing, which is a useful information)

用simulink编的科斯塔斯环，希望能有帮助(Simulink compiled Costas ring, hoping to help)

详细的卷积编码与维特比译码算法。产生随机信号，对信号进行卷积编码，然后经过数值转换、格雷编码，QPSK调制，进入加噪信道，之后进行QPSK解调，格雷解码， 数制转换、 维特比译码得到接收端的信号。(Detailed convolutional coding and Viterbi decoding algorithm. Random signal, the signal convolution coding, and then through numeric conversion, Gray coding, QPSK modulation, plus noise into the channel, followed by QPSK demodulation, decoding Gray, number system conversion, Viterbi decoding to get the receiving end of the signal.)

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.)

matlab simulink model for a nine level h bridge inverter