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4、a2Y4o/9oZ66UEV5kzBTdE4NNcJgle7OiCHYTwMPKxaserEw6x6dQ76bw=基于,单片机,作息,时间,控制,系统87e9620e9f9c52006f54ee9f72ee1d9f瘀將尐wo71032350001700001毕业论文20190601133339847283J疂耀舀(宫D奭I学号 密级_武汉大学本科毕业论文基于 SVM 的变形监测预报研究院(系)名 称:测绘学院专 业 名 称 :测绘工程学 生 姓 名 :指 导 教 师 : 年 月II摘 要变形模型的分析研究以及变形预测是变形监测的重要内容,对于工程建筑物的安全施工以及运营有着重要意义。变形分析常
5、用的方法有回归分析法、时间序列法、灰色理论方法、人工神经网络模型法以及变形的组合分析方法。而支持向量机(Support Vector Machine,SVM)具有优良的非线性特性,已广泛的应用于统计分类以及回归分析中,目前也逐渐应用到测绘数据处理中。支持向量机是在统计学习理论的 VC 维理论和结构风险最小化原则的基础上提出的一种新的机器学习方法,它追求的是有限样本情况下的最优解而不仅仅是样本数趋于无穷大时的最优解,比起经验风险最小化为基础的神经网络学习算法具有更强的理论依据和泛化性能。本文结合了代表性的具体工程实例,从实际应用的角度进行计算分析,得到相应的变形分析模型并进行了变形的预测,而且与
6、传统的变形分析方法进行比较验证,总结出各种模型的优缺点和适用范围。结果表面,支持向量机回归模型计算精度较高。关键词:变形监测;统计学习理论;支持向量机;变形分析模型IIIABSTRACTThe analytical investigation of deformation model and deformation forecasting are a very important part of the deformation monitoring, which is very significant to the safe construction and operation of buil
7、ding engineering. The common methods of deformation analysis include regression analysis method, timeseries method, grey theory method, artificial neural network method and combined analysis method of deformation. The support vector machine(SVM) has excellent non-linear characteristics, the SVM is a
8、 supervised learning method and it has been widely used in statistical classification and regression analysis, the SVM is also gradually being applied to surveying and mapping data processing.Support Vector Machine(SVM)is a new kind of machine learning algorithm proposed recently which is based on V
9、C Dimension Theory and Structural Risk Minimization of Statistical Learning TheorySVM can obtain the optimum resultfrom the gained information which is not the optimum result only when the samples are infiniteSVM has much stronger theory foundation and better generalization than Neural Network which
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