基于实测光电跟踪仪误差的分布检验及应用

对光电跟踪仪跟踪误差特性分析是进行精度试验数据分析处理的前提基础。为了研究光电跟踪仪对空中目标角跟踪测量误差的分布规律,综合采用偏峰度联合检验即Jarque-Bera法和Kolmogorov-Smirnov非参数统计方法,对实测误差数据进行分布检验。检测结果表明光电跟踪仪角度测量误差中远端区段符合正态分布,近区测量误差80%航次不符合正态分布。所得结论为光电跟踪仪精度试验设计和数据处理算法的确定提供了科学依据。     

序贯分析法在舰炮武器试验中的应用

射击精度是反映舰炮武器系统性能的最重要的技术指标 ,是交付部队使用前必须考核的试验项目。对以往试验中采用的建立在大子样统计理论基础上的传统的评定方法进行了分析 ,并对序贯分析方法的原理、方法及在工程中的应用情况进行了阐述。     

信息融合系统中的态势预测技术

态势预测主要解决态势间断后如何更新态势以及态势推断问题。根据战场上兵力都是按一定的规则部署和聚集的特点 ,采用群技术将整个战场态势划分成多个态势元素 ,同时结合模板技术和军事专家建议 ,利用战争前和战争期间所获得的各类信息 ,对战场态势进行预测     

Bayesian inference based on partial monitoring of components with applications to preventive system maintenance

Consider a binary, monotone system of n components. The assessment of the parameter vector, θ, of the joint distribution of the lifetimes of the components and hence of the reliability of the system is often difficult due to scarcity of data. It is therefore important to make use of all information in an efficient way. For instance, prior knowledge is often of importance and can indeed conveniently be incorporated by the Bayesian approach. It may also be important to continuously extract information from a system currently in operation. This may be useful both for decisions concerning the system in operation as well as for decisions improving the components or changing the design of similar new systems. As in Meilijson [12], life‐monitoring of some components and conditional life‐monitoring of some others is considered. In addition to data arising from this monitoring scheme, so‐called autopsy data are observed, if not censored. The probabilistic structure underlying this kind of data is described, and basic likelihood formulae are arrived at. A thorough discussion of an important aspect of this probabilistic structure, the inspection strategy, is given. Based on a version of this strategy a procedure for preventive system maintenance is developed and a detailed application to a network system presented. All the way a Bayesian approach to estimation of θ is applied. For the special case where components are conditionally independent given θ with exponentially distributed lifetimes it is shown that the weighted sum of products of generalized gamma distributions, as introduced in Gåsemyr and Natvig [7], is the conjugate prior for θ. © 2001 John Wiley & Sons, Inc. Naval Research Logistics 48: 551–577, 2001.     

Applying Lanchester's linear law to model the Ardennes campaign

In modern warfare, many believe the decisive factor in winning a battle is seizing the right moment to shift from defense to attack, or vice versa. This paper attempts to bring that perspective to Lanchester's differential equations of warfare, and continues the application of Lanchester's linear law to the analysis of the World War II battle of Ardennes, as reported in earlier issues of Naval Research Logistics by Bracken and by Fricker. A new variable, shift time, accounting for the timing of the shift between defense and attack is explicitly included in our version of the model, and it helps obtain improved goodness of fit to historical data. © 2001 John Wiley & Sons, Inc. Naval Research Logistics 48:653–661, 2001     

防空导弹测试系统自检功能设计的探讨

防空导弹测试系统的自检功能,是系统功能的重要侧面.就自检功能设计有关问题做了探讨.     

自适应数据融合算法

以防空导弹指控系统作战单位为背景,通过对现有经典算法及工程化算法的分析,结合专家经验,提出了基于算法间联系的工程化自适应数据融合算法.对自适应算法的思想、规则集、算法库、推理组成和算法的实现作了详细的描述.     

D-S证据论在空中目标分类中的应用

首先叙述识别、分类空中目标时需使用多传感器融合技术,分析可利用的各类传感器和从其可得到的各种目标属性参数,以及各种数据融合方法.然后详细介绍了基于D-S证据论的3种多源信息融合分类空中目标方法,并对具体仿真应用结果作了比较.     

基于多通道通信技术的高速数据采集器的研制

主要介绍应用多通道通信技术开发研制的高速数据采集器的功能特点 ,对实际研制和使用中的几个关键技术进行了较详细的分析讨论 .应用于流场测试试验的结果表明 ,该系统速度快、稳定性好、功能齐全且自动化程度高 .该系统具有的高精度非常适合于流场测试 ,能确保测试的准确性     

PB7.0配置数据源的自动实现

在深入理解Windows注册表的基础上 ,揭示了配置ODBC型数据源的实质 ,并用程序实现了数据源的自动配置 ,从而提高了数据库应用程序的完整性和独立性