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barker
描述了13阶巴克码信号的特性，画出了图形，并做了脉冲压缩处理，比较了用一般旁瓣抑制滤波器与等副瓣法设计旁瓣抑制滤波器进行旁瓣抑制的差别，给出了图示。(Describe the 13 order Barker code signal characteristics, draw the graphics, and the pulse compression processing, compared with the general sidelobe suppression filter with side flap design of sidelobe suppression filter for sidelobe suppression of difference, gives some graphic.)
- 2011-12-02 02:00:17下载
- 积分：1
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QAMXIANGP
本程序仿真了16QAM信号的载波相偏估计的HOS算法，整个算法实现分为（1）模拟发送端发送16QAM信号；（2）加入相偏来模拟通过信道后有相偏的测试信号；（3）利用HOS算法进行相偏估计与纠正；（4）输出星座图。(This procedure simulated a 16QAM signal carrier phase offset estimate of the HOS algorithm, the algorithm is divided into (1) analog transmitter to send 16QAM signal (2) by the inclusion of partial to simulate the channel after the phase offset of the test signal (3 ) algorithm using HOS phase offset estimate and correction (4) output constellation.)
- 2010-08-31 21:06:21下载
- 积分：1
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FX_FK_INTERPOLATION_LAB.tar
this code can be use in interpolation of seismic data.
- 2009-11-07 15:17:50下载
- 积分：1
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bksa
基于峭度的盲源开关算法对信号进行分离，实现了良好的分离效果(Kurtosis-based switch algorithm for blind source separation of signals to achieve a good separation effect)
- 2010-01-15 13:11:52下载
- 积分：1
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examen-1
preprocesamiento primu
- 2012-05-10 11:09:56下载
- 积分：1
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adaboost
AdaBoost元算法属于boosting系统融合方法中最流行的一种，说白了就是一种串行训练并且最后加权累加的系统融合方法。
具体的流程是：每一个训练样例都赋予相同的权重，并且权重满足归一化，经过第一个分类器分类之后，
计算第一个分类器的权重alpha值，并且更新每一个训练样例的权重，然后再进行第二个分类器的训练，相同的方法.......
直到错误率为0或者达到指定的训练轮数，其中最后预测的标签计算是各系统*alpha的加权和，然后sign（预测值）。
可以看出，训练流程是串行的，并且训练样例的权重是一直在变化的，分错的样本的权重不断加大，正确的样本的权重不断减小。
AdaBoost元算法是boosting中流行的一种，还有其他的系统融合的方法，比如bagging方法以及随机森林。
对于非均衡样本的处理，一般可以通过欠抽样(undersampling)或者过抽样(oversampling)，欠抽样是削减样本的数目，
过抽样是重复的选取某些样本，最好的方法是两种进行结合的方法。
同时可以通过删除离决策边界比较远的样例。
(AdaBoost boosting systems dollar fusion algorithm is the most popular one, it plainly systems integration approach is a serial train and final weighted cumulative.
Specific process is: Each training example is given equal weight, and the weights satisfy normalization, after the first classifiers after
Calculating a first classifier weights alpha value for each sample and updates right weight training, and then the second classifier training, the same way .......
0, or until the specified error rate training rounds, wherein the label is the calculation of the final prediction system* alpha weighted and then sign (predicted value).
As can be seen, the training process is serial, and weight training examples is always changing, the right of the wrong sample weight continued to increase, the right to correct sample weight decreasing.
AdaBoost algorithm is an element, as well as other methods of boosting popular systems integration, such as bagging and random forest method.
For )
- 2014-07-09 19:24:29下载
- 积分：1
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normpdf
改进后的高斯信号发生函数，可用于字符运算。(Improved Gaussian signal, can be used for computing characters.)
- 2009-04-13 12:22:54下载
- 积分：1
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1
说明： 本文主要研究了，以京沪高速为背景以客车时间表为基础之上安排货车的模型。从车站的战略发展、资源利用、时间安排和资源策划等综合考虑，需要对客车的时间安排进行考虑。从而设计有效而可行的安排货车运行模型.(This paper studies, the background to the Beijing-Shanghai high-speed bus schedule to arrange for the vehicle based on the model. From the station' s strategic development, resource utilization, timing and resource planning, such as considering the need for Airbus to consider the timing. In order to design an effective and workable arrangements to run the model vehicle.)
- 2009-04-20 08:34:01下载
- 积分：1
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ZhongZhLvB0
本文是编程来实现中值滤波，从而达到图像去噪的目的(This is a program to achieve the median filter, so as to achieve the purpose of image denoising)
- 2010-05-13 14:24:59下载
- 积分：1
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sourse-code
丁丽娟 数值计算方法 课后实验matlab部分上机答案 仅供参考(Dingli Juan numerical methods matlab part of after-school experiment on board the answer is for reference only)
- 2014-12-25 20:23:47下载
- 积分：1
