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说明：  球面天文学（岁差、章动）和天体力学（行星星历表）的原始计算公式、算法和程序。matlab编译通过。主要包括：公历/儒略历转换为儒略日，儒略日转换为公历/儒略历，球坐标转换为直角坐标，直角坐标转换为球坐标等38个matlab源代码。压缩文件中有说明。(Spherical Astronomy (precession, nutation) and celestial mechanics (line stars ephemeris) of the original formula, algorithms and procedures. matlab compiler through. Mainly include: Gregorian/Julian calendar converted to Julian day, Julian date is converted to the Gregorian calendar/Julian calendar, the ball coordinates converted to rectangular coordinates, rectangular coordinates is converted to spherical coordinates, such as 38 matlab source code. Compressed file is described.)

Classifier in matlab

包括四元数的各种计算,实现用SDRAM运行nios，同时用SRAM保存摄像头数据，仿真图是速度、距离、幅度三维图像。( Including quaternion various calculations, Implemented with SDRAM run nios, while saving camera data SRAM, FIG simulation speed, distance, amplitude three-dimensional image.)

说明：  采用相似矩阵模式进行聚类操作，用于多特征提取矩阵聚类(The similar matrix pattern is used for clustering operation)

本文利用Matlab／Simulink软件，以无线电调幅广播发射与超外差接收系统为例，对“通信电子电路”课程中重要的通信系统单元电路进行了仿真和分析，给出了仿真模型和较为详细的各点仿真波形，并结合实际给出了多路系统的仿真结果。将该Matlab仿真引入课程教学。可以使学生在学好课程的同时，了解和掌握通信系统建模与仿真的方法。(In this paper, the use of Matlab/Simulink software to the radio superheterodyne AM radio receiver system with the launch as an example, the " communication electronic circuits" course an important element of communication system circuit simulation and analysis, the simulation model and the more detailed Simulation waveform points, combined with the actual multi-channel system is given the simulation results. Matlab simulation of the introduction of the teaching. Will enable students to study courses at the same time, understanding and knowledge of modeling and simulation of communication systems approach.)

本程序能实现任意阶的Zernike多项式的系数模拟和相位屏模拟。(This procedure can be of any order Zernike polynomial coefficient simulation and phase-screen simulation.)

9节点前推回代法潮流计算，基本潮流！源程序(9 nodes forward and backward substitution method flow calculation, the basic trend! Source)

用FDTD算法MATLAB语言编写的一维程序(FDTD algorithm using the program written in one-dimensional)

获取全局唯一标识符GUID值的access事例(Get access cases globally unique identifier GUID value)

此模型为双向DCDC，可用于电池充放电，燃料电池升降压模拟等。采用PWM控制IGBT管占空比。可直接运行，在其基础上修改简单(This model is a bidirectional DCDC, which can be used for battery charging and discharging, fuel cell buck-boost simulation. PWM control of the IGBT tube duty cycle. Can be run directly, modify it on the basis of simple)