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数学建模-第一节无约束最小化Mathematical Modeling - Section unconstrained minimization(Mathematical Modeling- Section unconstrained minimization Mathematical Modeling- Section unconstrained minimization)

说明：  CAD,批量打印,命令是BatchPlot(CAD,MINGLIENGSHI BatchPlot)

基于pscad的仿真，仿真说明了电力系统断路器工作时的状况(Based on the the simulation of the pscad, simulation illustrate the illustrations the situation at the time the the work of the power system circuit breaker)

MATLAB2010a学习资料，从基础到精通，适合初学者(MATLAB2010a learning materials, from basic to proficient, suitable for beginners)

PSCAD环境下DC----DC变换器的仿真，可以作为光伏及蓄电池并网运行前端直流电压的变换 (PSCAD environment simulation DC---- DC converter can be used as PV and battery and network operation front of the DC voltage conversion)

描述了厂用电的基本结构和各组件之间的联系，是实际电厂的厂用电布置图。(This paper describes the basic structure of the auxiliary power supply and the relationship between the components. It is the layout of the auxiliary power supply of the actual power plant.)

通信导航设计相关问题解答，包含了滤波器设计和信号处理的相关流程(Communication and navigation design-related questions, including the relevant processes filter design and signal processing)

The program uses a simple algorithm to calculate the deflection at each point of a cantilever beam subjected to arbitrary loading distribution, the program also calculates and plots the bending moment and shear force in the beam.

本文在介绍MIMO无线通信系统模型的基础上，通过对比分析几种常用空时编码方法，选定空时分组码对信号进行编码并建立瑞利衰落信道模型，通过对两发一收及两发两收系统的仿真，研究接收天线数对系统接收信号可靠性的影响。之后进一步扩展到不同发射矩阵条件下研究多发一收系统的频谱利用率及误符号率，分析不同天线数目，不同发射矩阵条件下空时正交分组码检测算法的性能。(This paper introduced the MIMO wireless communication system model, through the comparative analysis of several commonly used method of space-time coding, grouping code for the selected space-time signal is encoded and establish Rayleigh fading channel model, through two rounds one and two rounds of closing Simulation of two closed systems, research receiving antennas to receive signals affect the reliability of the system. After further extended to study the conditions under different emission matrix of multiple spectral efficiency and symbol error rate of a closed system, analyze the different number of antennas, the performance under different emission matrix orthogonal space-time block codes condition detection algorithm.)

对于学习信息论的各位朋友们帮助很大，精炼易懂(It is very helpful for those who study information theory,it is Refining and easy to understand. )