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MyKmeans
实现聚类K均值算法: K均值算法:给定类的个数K,将n个对象分到K个类中去,使得类内对象之间的相似性最大,而类之间的相似性最小。 缺点:产生类的大小相差不会很大,对于脏数据很敏感。 改进的算法:k—medoids 方法。这儿选取一个对象叫做mediod来代替上面的中心 的作用,这样的一个medoid就标识了这个类。步骤: 1,任意选取K个对象作为medoids(O1,O2,…Oi…Ok)。 以下是循环的: 2,将余下的对象分到各个类中去(根据与medoid最相近的原则); 3,对于每个类(Oi)中,顺序选取一个Or,计算用Or代替Oi后的消耗—E(Or)。选择E最小的那个Or来代替Oi。这样K个medoids就改变了,下面就再转到2。 4,这样循环直到K个medoids固定下来。 这种算法对于脏数据和异常数据不敏感,但计算量显然要比K均值要大,一般只适合小数据量。(achieving K-mean clustering algorithms : K-means algorithm : given the number of Class K, n will be assigned to target K to 000 category, making target category of the similarity between the largest category of the similarity between the smallest. Disadvantages : class size have no great difference for dirty data is very sensitive. Improved algorithms : k-medoids methods. Here a selection of objects called mediod to replace the center of the above, the logo on a medoid this category. Steps : 1, arbitrary selection of objects as K medoids (O1, O2, Ok ... ... Oi). Following is a cycle : 2, the remaining targets assigned to each category (in accordance with the closest medoid principle); 3, for each category (Oi), the order of selection of a Or, calculated Oi Or replace the consumption-E (Or))
- 2005-07-26 01:32:58下载
- 积分:1
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Levin-Campello
Levin Campello s Method for margin-adaptive Margin Adaptive LC
(function [gn,En,bn,b_bar_check,margin]=DMTLCma(P,SNRrcvr,Ex_bar,b_bar,N,gap))
- 2020-11-12 02:49:44下载
- 积分:1
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CSTRs_Closedloop
三串联cstr等温反应器的闭环控制系统,用ODE45()进行积分,积分步长自动调节(The three tandem the cstr isothermal reactor closed-loop control system, integrating ODE45 () automatically adjust the integration step)
- 2013-01-24 15:14:45下载
- 积分:1
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BLDC-control-system
收集的几个无刷直流电机控制系统仿真例程,matlab中可直接运行,很有借鉴意义。(Several brushless DC motor control system simulation routines , they can be directly run in matlab.)
- 2014-01-15 12:19:41下载
- 积分:1
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APF_SVM_Recti_6_diode12_LCL_PR
有源电力滤波器设计,三相三线,PR控制,电压空间矢量控制(active filter ,PR control,svpwm control)
- 2021-03-22 09:19:16下载
- 积分:1
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Line_code_english
Simulation of digital baseband modulation,it is very good for the users to deepen their understanding
- 2007-09-09 15:36:20下载
- 积分:1
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wind-power
风力发电系统中的风力机模型,包含升速箱模型。(Wind power system wind turbine model, including model or speed box.)
- 2008-05-28 21:04:47下载
- 积分:1
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Trackcar
说明: 跟踪浅颜色的汽车,用红色的矩形标注,用R2008B以上版本运行。(Track light colored car, with a red rectangle marked with R2008B or later to run.)
- 2010-03-16 19:14:57下载
- 积分:1
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Matlab__dengwenxian
说明: 属于图像处理的基本算法,用MATLAB实现了画等温线的方法。(Belong to the basic algorithm for image processing, using MATLAB a painting method isotherms.)
- 2009-08-10 12:59:56下载
- 积分:1
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443C_Simion_Alexandru
The (a) section of Figure 1 illustrates the Line Echo Canceller (LEC) residing in the access network where echoes occur. Other voice processing modules, such as Automatic Level Control (ALC) and Noise Reduction (NR), are shown merely for illustration purposes. On the terminal side, both acoustic and electrical echo can occur. If the voice terminal is a speaker telephone set with an open acoustical path from the speaker to the microphone, the effect of acoustical echo is combined with the effect of the network echo. Because there is only a miniscule delay between the electrical signal and its echo, the speaker/listener is exposed to an effect known as side tone. Typically, instead of mounting a LEC at the terminal, side tone circuitry is placed to control the amount of the returned energy. The (b) section of Figure 1 shows examples of echo canceller signals representing the following:
- 2012-01-05 03:18:53下载
- 积分:1