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MT
说明： 地球物理中的一种方法--MT，基于matlab,利用有限差分方法(the method for MT,which is based on the matlab and infinite difference method)
- 2014-08-15 20:53:49下载
- 积分：1
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matlab_xinhaofashengqi
这是自己写的一个 数字信号发生器 ，里面包含几个界面，包括了 电子琴、电话机按键、信号合成等，可以声卡发生，请参考！(This is to write a digital signal generator, which contains several interfaces, including keyboard, telephone keypad, signal synthesis, can sound occurred, please refer to!)
- 2010-10-30 10:59:59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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Matlab-in-time-series-analysis
介绍了使用Matlab进行时间序列分
析的基本方法和步骤,并通过实例进行了说明.
(Describes the use of Matlab for time series analysis of the basic methods and procedures, and illustrated by examples.)
- 2011-08-07 14:49:29下载
- 积分：1
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轻松实现GM模型的操作 GM(1-N)
GM(1，N)模型的MATLAB实现,轻松实现GM模型的操作，且易于实现，很方便(MATLAB implementation of GM (1, N) model)
- 2021-03-30 22:39:09下载
- 积分：1
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LTE_downlink
LTE 下行链路系统代码 含信道估计，编解码以及频偏估计模块(LTE downlink system including channel estimation code)
- 2020-12-10 15:29:17下载
- 积分：1
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fuzzy_work
模糊系统的simulink仿真，控制一阶和二阶系统(Simulink fuzzy system simulation, control first-order and second-order system)
- 2009-01-15 15:43:36下载
- 积分：1
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G729
英文文献，主要内容为G.729标准，语音信号的一种传输协议。(English literature, mainly for the G.729 standard voice signal of a transport protocol.)
- 2009-12-14 20:25:50下载
- 积分：1
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matlab
it is algo por neural network pid controller anation and optimization algo
- 2011-01-07 02:16:38下载
- 积分：1
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mla
说明： 计算弯曲线天线的输入阻抗，辐射方向图以及增益（可以计算不同的直线长度，弯折次数，弯折高度，弯折角度的弯曲线天线）(Calculation of bending wire antenna input impedance, radiation pattern and gain (the straight line can be calculated in different length, bending frequency, a high degree of bending, bending angle of bending wire antenna))
- 2008-09-22 10:36:35下载
- 积分：1
