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CSMA
CSMA/CD(1-persistent):
当有packet需要发送时:
• 如检测到信道空闲,发送packet
• 如检测到信道忙,一直检测信道状态,一旦信道空闲,立即发送(CSMA/CD (1-persistent): When there is packet needs to be sent when: • If the channel is detected idle, transmit packet • If the channel is detected busy channel state has been detected, once the channel is idle, transmit immediately)
- 2013-12-22 16:35:02下载
- 积分:1
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worfk
说明: matlab 源程序,一些有用的代码,欢迎下载,基础知识学习。(language of matlab important)
- 2010-03-18 19:10:57下载
- 积分:1
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mesh-all-surface
Matlab 的M 文件,实现任意空间曲面的绘制!(matlab m file,draw all surface)
- 2013-02-07 10:56:11下载
- 积分:1
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hdfread
用来读取AIRS卫星二氧化碳数据,可以批量读取并且批量生成数据文件(Used to read the the AIRS satellite carbon dioxide data, bulk read and bulk data file is generated)
- 2013-03-15 12:57:53下载
- 积分:1
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ModeAndDemode
数字信号ASK、FSK、PSK调制解调算法(Digital signal modulation and demodulation algorithms)
- 2010-11-01 13:35:04下载
- 积分:1
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SVMexamples
数据挖掘的新方法-支持向量机书中算法例子,对学习有帮助。(new data mining methods-book support vector machine algorithm example, to learn helpful.)
- 2006-12-25 08:15:25下载
- 积分:1
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GP
说明: 一种基于matlab的遗传规划编码程序 其中包含交叉和变异的代码(Based on the genetic programming matlab coding procedures of crossover and mutation which contains the code)
- 2008-09-21 20:10:19下载
- 积分:1
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Communication-system-matlab-simulink
matlab/simulink通信建模与仿真实例精讲 非常详细(matlab/simulink communications modeling and simulation is very detailed Jingjiang)
- 2011-05-28 17:47:22下载
- 积分:1
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code
2D Gaussian filter with varying kernel size and variance
- 2012-05-27 14:22:11下载
- 积分:1
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ruanjiansheji
以中等纯度的精馏塔为研究对象,考虑到不等分子溢流的影响和非理想的汽液平衡,可以得到塔顶产品轻组分含量Y与回流量L之间的传递函数为:
控制要求:
1.采用积分分离 PID控制算法将塔顶轻组分含量Y控制在0.99
2.采用继电法整定PID参数
3.整定效果验证:当被控过程参数时变时,如滞后时间由4→8,开环增益由3.4→6时, 讨论PID控制的响应速度及鲁棒性问题,考察当系统参数发生改变时,上述PID参数是否选取合适。
(Moderate purity fractionator as the object of study, taking into account the ranging molecular overflowing and non-ideal vapor-liquid equilibrium can be obtained by the transfer function between the content of light components of the overhead product Y and back to the flow L: Control Requirements: 1. integral separation PID control algorithm to control the top of the tower light component content Y 0.99 2. relay Law tuning PID parameters. tuning effect is verified: change When accused of process parameters, such as the lag time from 4 → 8, the open loop gain discussed from 3.4 → 6, the PID control of the response speed and robustness issues investigated when the system parameters are changed, the PID parameters select appropriate.)
- 2012-09-19 10:12:17下载
- 积分:1