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gobackn

于 2011-08-03 发布文件大小:8KB

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Go-Back-N ARQ is a specific instance of the automatic repeat request (ARQ) protocol, in which the sending process continues to send a number of frames specified by a window size even without receiving an acknowledgement (ACK) packet from the receiver. It is a special case of the general sliding window protocol with the transmit window size of N and receive window size of 1.

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LEACH
CODE FOR LEACH PROTOCOLE

2010-05-09 06:29:46下载

积分：1
w
利用matlab实现下面的问题：其中u(k)和z(k)分别为模型的输入和输出变量；v(k)为零均值、方差为1、服从正态分布的白噪声；为噪声的标准差；利用得到的u(k)和z(k)来辨识模型的阶次和参数。　　(Using matlab to achieve the following questions: where u (k) and z (k) respectively, the input and output variables of the model v (k) with zero mean and variance 1, follow a normal white noise noise standards Poor utilization u (k) and z (k) to identify the order and parameters of the model.)

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对一组具有相似模式的数据进行聚类，并且进行可视化(SOM)

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积分：1
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说明：原理：以待处理的像素作为中心，取一个nXn的模板，在模板中选择k个与待处理像素的值最接近的像素，将这k个像素的均值替换原来的像素值。假设n=3，k=5，调用方法：b = KNNMeanFilter(a, 3, 5)(Principle: to be treated as the center pixel, take a nXn template select the template and the pending k-nearest pixel values of pixels, this k pixels mean replacing the original pixel value. Assuming n = 3, k = 5, call the method: b = KNNMeanFilter (a, 3, 5))

2010-05-03 10:14:15下载

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2011-05-01 19:09:59下载

积分：1
baseband
数字基带系统传输，有完整的编码译码过程，高斯白噪声信道(Digital baseband transmission systems, a complete coding and decoding process, Gaussian white noise channel)

2010-05-26 09:41:34下载

积分：1
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积分：1
watermark
To reduce the piracy .....here we use a watermark technique...

2010-06-09 00:17:26下载

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2014-09-06 21:41:03下载

积分：1

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