基于支持向量机的可靠性增长费用建模与分析

支持向量机是一种采用结构风险最小化原则代替传统经验风险最小化原则的新型统计学习方法，具有完备的理论基础。首先应用支持向量机原理建立了基于支持向量机的多参数武器装备可靠性增长费用预测模型，然后对我军某型现役装备使用阶段可靠性增长费用数据进行了预测与分析。结果表明，与一般的回归分析相比，基于支持向量机的回归模型具有很好的预测精度。     

The marine electronic highway in the Straits of Malacca and Singapore—an assessment of costs and key benefits

The Straits of Malacca and Singapore are an important trade route linking the Indian Ocean to the South China Sea and Pacific Ocean. They are also rich in resources and support a range of activities that benefit the economies of the littoral states (Indonesia, Malaysia and Singapore). This important shipping route is a very congested waterway and the authorities are keen to improve navigation facilities to promote ship safety and reduce the risk of groundings, collisions and accidents. This will also help to protect the marine environment from the effects of pollution and hence reduce its damaging impact on activities related to the Straits, e.g. fisheries and tourism. The Marine Electronic Highway (MEH) is an attempt to bring together maritime safety technologies and environmental management systems. The paper examines the costs of providing such a highway and considers some of the benefits which could accrue from its implementation. The analysis, conducted in the form of a cost-benefit study, clearly shows the economic viability of the scheme.     

新形势下的车队班组建设

怎样在新形势下走出一条适应公交企业发展的车队班组建设新路子?南京公交总公司在客运生产部门进行了有益的尝试和探索.     

大秦线扩能改造的特殊信号和联锁设计——2800m长的股道和腰岔的联锁方案

本文以大秦线2亿t扩能改造为例，介绍其信号系统设计中对股道有效长度达到2800m的技术站进行的特殊处理，包括防护股道腰岔的信号机设置、进路办理方法和联锁处理。     

胶济铁路电气化工程地基与基础的质量检验

结合胶济铁路电气化工程地基与基础工程，重点阐述以碎石桩为代表的复合地基质量检测和以钻孔灌注桩为代表的桥基础检测。并对重Ⅱ型动力触：深、静载荷试验、低应变反射波法等检测手段进行了详细的介绍。     

港口门座起重机防风装置的计算与选择

阐述了港口门座起重机结构形式与风作用的关系,以及门座起重机发生事故的状况及其原因,并通过不同工况和不同风力作用下门座起重机受力情况的计算分析,提出了如何选取合适、有效的防风装置.     

A high order linear model for the prediction of internal lee waves at the main sill of the Strait of Gibraltar

A linear theory for the physical fields in the water column under the action of large amplitude internal lee waves at the main sill of the Strait of Gibraltar is developed. The procedure is a combination of the perturbation and normal modes methods in order to study steady resonant conditions. The lowest order linear approach of the methodology resumes the Taylor–Goldstein equation, which can reconstruct the main features of the observed fields but the high order approach gives the finest structure and sometimes the largest contributions. The role of the non-linear terms is investigated up to the second order taking into account the non-linear interactions between modes, leading to an effective reconstruction of the whole water column for the velocity field.     

天然气汽车燃料喷射器的构分析与探讨

针对天然气汽车燃料喷射器的结构特点,对其工作性能和控制方式进行分析与研究,并对目前存在的一些技术问题进行分析,可为减少汽车尾气中有害排放物、保护城市环境以及寻求清洁燃料提出解决方案.     

内河航运企业的物流经营策略

面对内河航运日趋激烈的市场竞争,内河航运企业只有充分发挥自身优势,广泛开展综合物流服务,采取合理的物流经营策略,才能处于不败之地。通过对内河航运企业物流经营的合作策略、竞争策略和管理策略的分析,为航运企业开展综合物流代理提出了有益的建议。