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Finite_difference_method
有限差分法
微分方程和积分微分方程数值解的方法。基本思想是把连续的定解区域用有限个离散点构成的网格来代替， 这些离散点称作网格的节点；把连续定解区域上的连续变量的函数用在网格上定义的离散变量函数来近似；把原方程和定解条件中的微商用差商来近似， 积分用积分和来近似，于是原微分方程和定解条件就近似地代之以代数方程组，即有限差分方程组 ， 解此方程组就可以得到原问题在离散点上的近似解。然后再利用插值方法便可以从离散解得到定解问题在整个区域上的近似解。
(Finite Difference Method
Numerical solution of differential equations and integro-differential equation approach. The basic idea is to set a continuous solution of the region with a finite number of discrete points instead of a grid consisting of, these discrete points called grid nodes the solution of a continuous area on a given function of continuous variables used in the definition of discrete grid variable function approximation the original equation and boundary conditions in the micro-business operators to approximate differential, integral with the points and to approximate, so the original differential equations and boundary conditions are replaced by algebraic equations near Side, that is, finite difference equations , solve this equation group can get the original problem in discrete points on the approximate solution. And then using interpolation methods can be determined from the discrete solution of the problem solution of the approximate solution on the entire region)
- 2009-12-16 22:12:15下载
- 积分：1
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02---AC-Networks
E-tap Course with Examples
- 2014-10-16 16:11:44下载
- 积分：1
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code
the network lifetime based on a new Energy-Aware Objective Function used to design a Routing Protocol for Low-Power and Lossy Networks. The proposed Objective Function uses the Expected Transmission Count Metric and the Remaining Energy on each sensor node to compute the best paths to route data packets across the network.So EAOF prolongs the network lifetime and reduces the need for human intervention on battery changing, thereby enhancing the system wearability and reducing operational costs.
- 2014-12-03 18:21:52下载
- 积分：1
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power_distribution_LOS_NLOS
可见光室内通信中，接收端考虑散粒噪声和热噪声后的接收功率(Visible indoor communication, the receiving terminal receives the power to consider the shot noise and thermal noise after)
- 2021-04-08 15:39:00下载
- 积分：1
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nrlfppg_14bus
This is inportent program for energy sector engineers. This matlab code is based on Newton Rapshion load flow calculations. Use it.
- 2009-05-04 19:22:33下载
- 积分：1
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segundo_trabalho
system control second ordem
- 2014-08-20 13:59:53下载
- 积分：1
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baizaoshengandyousezaosheng
利用matlab软件产生高斯白噪声和有色噪声的程序及程序说明(Using matlab software to produce white gaussian noise and colored noise procedures and instructions)
- 2013-11-21 14:07:02下载
- 积分：1
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zhouqixunhuan
通过周期自循环算法检测信号，并对不同类型窗函数进行性能检测分析(Cycle from the round-robin algorithm detection signal, and different types of window function, performance testing)
- 2013-04-30 16:24:58下载
- 积分：1
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Lab13_MultArrays
Lab13_MultArrays 多维数组的使用，实现数组定位(Use Lab13_MultArrays multidimensional arrays, array positioned to achieve)
- 2014-01-06 09:13:28下载
- 积分：1
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sttc4Psk
Space-time trellis encoder/decoder for QPSK modulation
2 bits per second per Hertz
- 2009-06-23 10:21:12下载
- 积分：1
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