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boxcounting
使用MATLAB编的一段程序。用于计算时间序列的盒维数。(make it in matlab and be used to analys fractal demination)
- 2009-04-25 10:56:40下载
- 积分：1
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FEMM_2004
simple FEMM code based on matlab
2009
- 2009-12-19 11:35:22下载
- 积分：1
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SpeedRegulationSystemResearchofMiningElectricLocom
矿用电机车电控系统有两种,一种是有触点的电控系统,另一种是脉冲调速系统。以晶闸管为主要元件的脉冲调速系统在矿用电机车中仍大量使用。晶闸管属于半控型器件,其控制极只能控制开通而不能控制其关断,在低速运行时,晶闸管一经导通后,如果不能根据需要关断,则电动机承受全部电压而失去控制,电机车全速运行。本文利用MATLAB软件对矿用电机车晶闸管脉冲调速系统的主电路进行建模并仿真,对影响安全运行的关键元器件进行了详细的分析。仿真结果表明晶闸管脉冲调速系统存在安全隐患。随着电子工业的飞速发展,一种新型的全控型电力器件(绝缘门极晶体管IGBT)开始在工业中得到广泛的应用,脉冲调速电控系统如采用全控型电力器件代替半控型元器件(晶闸管),将会大大简化控制电路。由于控制电路简单,便于实现数字化控制。本文对IGBT的调速原理进行分析,采用IGBT和集成PWM脉宽调制器SG3525为主要元件,设计出了双闭环可逆自动调速系统,并对该系统进行实验验证,实验结果表明该系统优于晶闸管直流调速系统,而且运行稳定,可以很方便实现可逆运行。(Mine electric locomotive electronic control system has two types of electronic control system with contacts, and the other is the pulse speed control system. The pulse thyristor as the main component in the mining electric locomotive speed control system is still widely used. A semi-controlled thyristor type devices, the control can only control a very open and can not control the turn-off, in the low speed, the thyristor turn-on once, if not turned off as needed, then the loss of the motor under full voltage control, motor vehicle running at full speed. In this paper, MATLAB software mining electric locomotive speed control system pulse thyristor main circuit modeling and simulation, the key components of the safe operation of a detailed analysis. Simulation results show that the thyristor pulse control system security weaknesses. With the rapid development of the electronics industry, a new full-controlled power devices (Insulated Gate Transistor IGBT) began to be widely used in indu)
- 2010-12-24 13:40:45下载
- 积分：1
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SG_02_how-to-build-a-simulink-model
如何建立simulink仿真模型，本文有非常详尽的说明，对于实物模型如何建立simulink仿真模型(SG_02_how to build a simulink model)
- 2011-12-12 21:01:46下载
- 积分：1
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LargeDataSets
由于飞机设计是一个需要多次反复迭代的重复过程，需要进行大量的计算，因此我们自己编写了一些MATLAB程序。如果您想要查看程序源代码，可以点击下面的链接。
[program_1.m]全机总体参数计算程序
[program_2.m]全机气动曲线计算程序
[program_3.m]机翼载荷分布计算程序
[program_4.m]巡航状态纵向动稳定性计算程序
[program_5.m]横航向稳定性计算程序
[program_6.rar]平飞速度范围计算程序
[program_7.rar]螺旋桨特性计算程序 (The plane design is a requiring multiple iterative repeat process, need to do a lot of calculation, so we can write some MATLAB.)
- 2011-05-04 21:53:23下载
- 积分：1
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EM_GM
EM algorithm for k multidimensional Gaussian mixture estimation
- 2014-09-20 22:18:19下载
- 积分：1
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biterrorrate_channel
4个不同信道环境下误码率的分析，基于信噪比SNR的，通信方面(four different channel bit error rate environment analysis, based on the SNR, communications)
- 2006-09-25 20:17:50下载
- 积分：1
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MATLAB
基于MATLAB的三维应用 ，这种方法适合现状水库地形测量资料，操作简单，程序实现容易，所得三维数字地形图可以满足工程上对水库冲淤分析计算的精度要求(MATLAB )
- 2012-05-04 16:26:23下载
- 积分：1
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ICA_character
基于ica的特征提取算法,主要是提取方向角特征.研究ICA的下载.(based on the genotype and phenotype of ica feature extraction algorithm, is the main feature extraction direction angle. Research ICA download.)
- 2007-04-04 08:43:14下载
- 积分：1
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MATLAB-using-image
分布式对MATLAB中图像处理的过程及相关函数进行详细讲解，帮助学生了解处理流程，熟练掌握函数使用。(Distributed process of MATLAB in image processing and related function in detail, help students to understand the process, familiar with function to use.)
- 2015-12-31 20:10:51下载
- 积分：1
