tuxiangzhengli

采用最大似然交替投影迭代的方法对信号进行DoA估计，很实用(Alternating projection iterative maximum likelihood method the signal DoA estimation, it is practical)

数字信号处理应用设计了各种滤波器，能够完成信号的处理(The digital signal processing applications design of a variety of filters, to complete the processing of the signal)

介绍了平均电流控制型 PFC Boost 变换器的结构， 分析了其工作原理。 分别采用 Power System 工具箱和考虑电感电流断续工作状态的 C-MEX 文件 S 函数建立了主电路模型，对平均电 流控制型 PFC Boost 变换器进行了仿真。仿真结果表明，与 Power System 工具箱模型相比，基于 C-MEX 文件的 S 函数仿真模型能够准确仿真电流断续工作状态，仿真速度快。设计了电路样机进 行了实验研究，仿真结果与实验结果一致，证明了该方法的正确性。利用该方法可以高效地仿真 研究系统结构和参数变化时性能变化情况，得到的平均电流控制型 PFC Boost 变换器的混沌分岔 图，为更好地理解和设计这种变换器提供了有利的工具。(The structure of average current controlled power factor correction (PFC) Boost converter is introduced, and its working principle is analyzed. The PFC Boost converter is simulated using the model established with Power System toolbox and the C-MEX file S-function model respectively. Simulation results show that the C-MEX file S-function model can simulate the all state of the converter including discontinuous conduction mode with high speed. Experimental results show the correctness of the simulation results and the proposed method. The method is suitable for simulation the performance changing with the variation of system structure or parameters. The bifurcation diagram is derived for PFC Boost converter using this method, which is very useful for better understanding and better design of the converter.)

空间绳系卫星的仿真软件，用matlab编写，对于从事航天工作的人员有参考价值(Simple Space Tether Simulation Laboratory (SSTSLAB) is a simulation tool for matlab/simulink, the current version is a beta version, it need more test work to make sure that the results are acceptable accurate.)

超宽带BPSK调制输出，加入窄带干扰并进行仿真输出。(Ultra-Wideband BPSK modulation output, adding narrow-band interference and simulation output.)

正交频分复用程序解析，小菜多日收集，虽然未必精辟但说不定有你想要的 (Orthogonal frequency division multiplexing analytical procedures, side dishes, multi-day collection, although not brilliant but maybe you want to have the)

说明：  rgb空间转换成L*a*b*空间的结构显示聚类分割成的三部分标号为k外的其他区域置0蓝色区域标号(rgb space into L* a* b* space structure shows cluster is split into three sections labeled k set to 0 in other regions outside the blue area label)

采用加入递归思想的二分法搜索非线性方程的近似解，在典型算例中调试通过。(A recursive dichotomization which is utilized in the solving of non-linear equation.)

字符识别 用卷积神经网络识别A-Z26个英文字母(Character recognition using convolution neural network A-Z26 letters)

Gaussian high,low and band pass fı lter ı s applı ed to ı mage