neural1

narrow-band interference suppression in order to avoid the narrow band communication systems has been caused by interference

分布式视频编码中虚拟信道模型的动态估计..(Distributed video coding in dynamic virtual channel model is estimated)

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)

一个BP练习程序，通过修改输入输出的参数，可以观察这些变动对预测效果的影响。(a Backprogation code,can be used to practise the parameters divergence and the fortelling effect.)

说明：  MATLAB用于绘制风场玫瑰图的程序源码(MATLAB wind roses for the draw procedure)

用于生成FPGA中RAM所需要的初始化文件dds.mif,此文件生成的是余弦波形。(This document of .m can generate document of .mif to provide data for RAM of FPGA.)

说明：  2010军事类院校数模题某题第三问程序，只是我自己的一种算法。(2010, the number of model problems of military colleges ask a question the third procedure, an algorithm is just my own.)

说明：  MATLAB仿真的QPSK系统，包括非常详细的系统结构图，系统分析，仿真分析，代码等等(MATLAB simulation of the QPSK system, including a very detailed system architecture diagram, system analysis, simulation analysis, code, etc.)

瑞利和高斯信道下的BPSK误码率，含有详细解释，成功运行，学习通信仿真第一个程序。(BPSK BER under Rayleigh and Gaussian channel containing a detailed explanation of successful operation, the first communication simulation learning program.)

说明：  matlab文件结合实例，实际的优化例子，很有用的(matlab file with examples, practical optimization example, very useful)