磁悬挂天平五自由度位置传感器的数学分析

磁悬挂平天的位置传感器具有一定的特殊性,它需要同时获取被悬挂的飞行器模型的多自由度位置分量。本文对这一问题进行了研究,并讨论了其工程实现问题。     

An optimal recursive method for various inventory replenishment models with increasing demand and shortages

We establish various inventory replenishment policies to solve the problem of determining the timing and number of replenishments. We then analytically compare various models, and identify the best alternative among them based on minimizing total relevant costs. Furthermore, we propose a simple and computationally efficient optimal method in a recursive fashion, and provide two examples for illustration. © 1997 John Wiley & Sons, Inc. Naval Research Logistics 44: 791–806, 1997     

论学习者在现代远程教育中的主体地位与作用

现代远程教育是一种师生时空分离的人机授课方式和自主学习的全新教学模式,学习者在现代远程教学活动中占有主体地位。远程教育工作者要转变教育观念,改进教学方法,激发学生主动学习的积极性,掌握科学的学习方法和技巧,培养他们坚韧不拔的毅力和进取精神,以强化学习者的主体意识。     

一种雷达类型识别方法

针对目前雷达辐射源识别中存在的,对于数据库中未存储的雷达类型识别能力较差的情况,提出了一个雷达辐射源识别系统,在系统中将雷达的识别分为已知雷达识别和未知雷达识别两个部分分别进行,并给出了系统各个组成部分的实现原理。试验证明,本系统对于未知的雷达类型有着较强的识别能力。     

试论孙中山的军事伦理思想

本文扼要论述了孙中山的慎战思想、“以德服人,非以武力服人”的军事道德观念,“救国救民,勇于牺牲,甘于奉献”的军人人生观、军人“须具忠、智、仁、勇和决心”的军人道德规范以及“知难行易,身体力行”的军人道德修养观。     

论战后日本军事战略的依附性

二战结束后,日本在国际社会的监督下被迫进行了非军事化改造,“国家永远放弃拥有军队和交战权”的条款被写入日本国宪法。然而,日本在战败后不久就开始了重整军备的步伐,特别是在冷战结束后,其军事实力的发展更是咄咄逼人。这不能不引起人们对日本军事战略的关注和对其依附性的研究。     

应急作战装备物资供应链研究

把供应链管理理论应用到应急作战装备物资供应中,抛弃传统的管理模式,从应急作战装备物资供应链的内涵、应急作战装备物资供应链管理内容、应急作战装备物资供应链管理方法和应急作战装备物资供应链实施策略4个方面进行阐述,旨在提高应急作战条件下装备物资供应保障效率。     

天基核爆光辐射探测方法研究

通过计算提出了天基核爆炸光辐射探测指标要求,根据对源项信号特征的分析,设计了具有通带为1～4000Hz带通滤波器的天基核爆光辐射探测电路,采取了降噪措施,并以实验检验了其灵敏度、信噪比、频率响应和动态范围等性能,提出了软件修正系统误差的方法．     

Scheduling a production–distribution system to optimize the tradeoff between delivery tardiness and distribution cost

We consider a make‐to‐order production–distribution system with one supplier and one or more customers. A set of orders with due dates needs to be processed by the supplier and delivered to the customers upon completion. The supplier can process one order at a time without preemption. Each customer is at a distinct location and only orders from the same customer can be batched together for delivery. Each delivery shipment has a capacity limit and incurs a distribution cost. The problem is to find a joint schedule of order processing at the supplier and order delivery from the supplier to the customers that optimizes an objective function involving the maximum delivery tardiness and the total distribution cost. We first study the solvability of various cases of the problem by either providing an efficient algorithm or proving the intractability of the problem. We then develop a fast heuristic for the general problem. We show that the heuristic is asymptotically optimal as the number of orders goes to infinity. We also evaluate the performance of the heuristic computationally by using lower bounds obtained by a column generation approach. Our results indicate that the heuristic is capable of generating near optimal solutions quickly. Finally, we study the value of production–distribution integration by comparing our integrated approach with two sequential approaches where scheduling decisions for order processing are made first, followed by order delivery decisions, with no or only partial integration of the two decisions. We show that in many cases, the integrated approach performs significantly better than the sequential approaches. © 2005 Wiley Periodicals, Inc. Naval Research Logistics, 2005