OLE技术及应用

本文对ＯＬＥ技术的基本概念作了简要介绍，重点介绍了具体实现方法：链接和嵌入、ＯＬＥ自动化、ＯＬＥ控制等，最后引用实例加以说明。     

超燃冲压发动机推进的航天飞机载荷分析

超燃冲压发动机推进的航天飞机载荷分析引言航天飞机作为近地轨道（ＬＥＯ）的一种新型运输系统正在研究之中。航天飞机推进系统需要有以下几种发动机组成：一台空气涡轮冲压喷气发动机（ＡＴＲ），一台超燃冲压发动机和一台火箭发动机。在本文的研究中，对近地轨道为１０...     

H－Ⅱ火箭第1、2次飞行

１９９４年２月４日，第１发Ｈ－Ⅱ火箭携带性能确认用的试验卫星（ＶＥＰ）和轨道再入实验机（ＯＲＥＸ）从种子岛航天中心发射升空。起飞后，Ｈ－Ⅱ火箭按计划飞行并将ＯＲＥＸ和ＶＥＰ分别送入轨道。飞行期间，各系统工作正常。同年８月２８日，Ｈ－Ⅱ进行第２次飞行，把工程试验卫星－６送入了同步转移轨道。     

ESTIMATION OF DENSITY AND DETONATION VELOCITY OF TETRAZOLE Co（Ⅲ）COMPLEXES（英）

ＥＳＴＩＭＡＴＩＯＮＯＦＤＥＮＳＩＴＹＡＮＤＤＥＴＯＮＡＴＩＯＮＶＥＬＯＣＩＴＹＯＦＴＥＴＲＡＺＯＬＥＣｏ（Ⅲ）ＣＯＭＰＬＥＸＥＳＩＩｕｓｈｉｎＭＡＳｍｉｒｎｏｖＡＶＫｏｔｏｍｉｎＡＡＴｓｅｌｙｎｓｋｙＩＶ（ＩｎｓｔｉｔｕｔｅｏｆＴｅｃｈｎｏｌｏｇｙ...     

INCONEL718高温合金的发展

概述了ＩＮＣＯＮＥＬ７１８合金的特征、材料性能的研究进展及合金研究过程中的冶金工艺、Ｎｂ偏析、热加工及组织稳定性等热点问题，着重阐述ＩＮＣＯＮＥＬ７１８合金（相当于我国的ＧＨ１６９合金）在发展过程中存在的关键问题。     

防空导弹轨道优化的实时计算

首先给出了防空导弹轨道优化的一些理论结果，包括最优轨道对参数的连续依赖性，优化算法的算法模型的收敛性理论。证明了对于每条最优轨道存在的一个吸引区域的Ｄ＊。使得只要初始失代轨道属于这个区域Ｄ＊，则由算法模型构造的轨道序列将收敛到所要的最优轨道。为了实际应用，设计了具体的处理方法，并集成编制了相应的程序ＯＰＴＲＴ，特别适合轨道优化的快速数值计算。     

管理信息系统开发工具PRGTOOL的设计与实现

本文给出了基于ＦｏｘＢＡＳＥ＋的管理信息系统的开发工具的一种设计实现方法，并给出了ＰＲＧＴＯＯＬ的核心库－数据库结构库、数据字典库及菜单库的通用结构，最后叙述了ＰＲＧＴＯＯＬ的主要构成－工具及生成器各自的功能。     

国外简讯

国外简讯美国准备推进ＬＥＡＰ计划美国弹道导弹防御组织（ＢＭＤＯ）宣布，轻型大气层外射弹（ＬＥＡＰ）将进行飞行试验，这次试验是海军战区上层弹道导弹防御计划的一个组成部分。目前将把ＬＥＡＰ动能杀伤飞行器（ＫＫＶ）装到为ＬＥＡＰ技术演示项目而改进的海军标准...     

CZ-3A系列运载火箭(续)

ＣＺ－３Ａ系列运载火箭,是指由长征三号甲（ＣＺ－３Ａ）及其发展型长征三号乙（ＣＺ－３Ｂ）和长征三号丙（ＣＺ－３Ｃ）３种火箭组成的大型火箭群体,主要用于发射地球同步转移轨道（ＧＴＯ）有效载荷,也可用于近地轨道（ＬＥＯ）太阳同步轨道（ＳＳＯ）以及飞往月球与火星等深空探测有效载荷的发射,该系列火箭是目前中国运载能力最大的系列火箭,也是中国跨世纪有商业应用发射的大型主力火箭。     

飞马座XL发射成功

飞马座ＸＬ发射成功美国轨道科学公司的飞马座ＸＬ空射火箭于３月８日首次发射成功，把美国空军的ＲＥＸ２科学实验卫星送入了高度约为８２８ｋｍ的圆型极地轨道。这颗卫星重１１０ｋｇ，价值５００万美元，是由美国ＣＴＡ航天系统公司研制的，卫星寿命为１～３年。飞马座...     

Nitrosation and Nitration of Tetraacetyldibenzylhexaazaisowurtzitane

Tetraacetyldibenzylhitane (TADBIW) was subjected to debenzylation by nitrosating with inorganic materials available commercially to synthesize tetraacetyldinitrosohexaazaisowurtzitane (TADNSIW). TADNSIW was purified, and its structure was determined by FTIR, 1H NMR, MS and element analysis. The debenzylation reaction of TADBIW gave quantitative benzaldehyde as a by-product. This indicates that the reaction produces an imine cation as an intermediate. Hexanitrohexaazaisowurtzitane (HNIW) was prepared from unpurified TADNSIW with the yield over 96.0 % and the purity more than 98.0 %. And the mechanism of the reaction from TADNSIW to HNIW is proposed to be oxidation of nitroso and nitration of acetyl on the molecule of TADNSIW, This reaction system involved is simple, and the reaction can complete within a short time and under mild conditions. The product can be easily to separate and the waste disposed readily.     

A Robust Algorithm for Watermarking 2D Vector Maps with Low Shape-Distortions

The technique of watermarking has been introduced into 2D vector maps for many potential applications such as protecting the copyright of important GIS （geographical information system） data and tracing the data source of military maps. In most previous works, although the validity of the map data could be preserved during the embedding procedure, the shape-distortions of the map elements are usually neglected which would tend to degrade the invisibility of the watermarking schemes. A shape-preserving algorithm for watermarking 2D vector maps is presented in this paper. A 1D distance sequence extracted from the original map is adopted as the cover data instead of 2D coordinates. A watermark bit is represented by changing the distributions of the cover data. The embedding procedure induces lower shape-distortions than in former works. Experimental results indicate better invisibility of the proposed scheme, as well as its robustness to certain attacks such as map simplification, interpolation, additive noise and most geometric transforms.     

Open Rule-setting System Applied to Conceptual Design of Engines

Open rule-setting method advanced in this paper concentrates on providing designers of engines with a convenient way to express their design innovations and develop the expected prototypes in the early CAD stage, and constitute effective models for the following analysis process of CAE and CAPP. The problems arisen in the process of conceptual design with the traditional experience-based development method are analyzed. Based on those analyses, open rule-setting method is presented and some associated technical problems are discussed. The functional framework of open rule-setting system was built as software engineering methods. The speciality of the engine product as a kind of complex product and the requirement of the engine product based on its structural particularity to rule-setting system are considered carefully. A demonstration is supplied to illustrate how the open rule-setting method enhances the efficiency and quality of the engine conceptual design.     

Research on Linux Network Device Driver

By analyzing the working principle of Linux network device driver, discussing the Linux network driver structure and its key technologies, the general network driver structure and its design methodologies in Linux system are summarized. Through modifying the network device driver of Linux device driver 3rd version snull, c and improving the COW technology, the Zero-Copy technology in Linux （kernel version 2.6.11 ） is implemented. In the end, the success test tells us that the thorough analysis of network device driver is the foundation of many applications, and it also provides a certain improvement to a lot of real applications, even to military application development.     

Method for Measuring Velocity of Warhead Fragments Based on Photoelectric Detection

For measuring velocity and impacting position of single fragment of warhead, a non-contact measuring method is proposed, in which a six-light-screen array, a position indicator, a multi-channel chronograph and a computer are used.The principle of measurement is described. The key device of the system is a light screen array sensor which consists of six light screens allocated with certain geometrical parameters. When the fragment flies through the light screen array, the time of passing through each of the screens is recorded by the multi-channel chronograph. According to the time data and the geometrical parameters of the array, the velocity vector and the location of the fragment can be calculated immediately. The presented method can be used to locate the fragment and to measure the real velocity on its flying direction. It can also be used to measure the velocity of a fragment swarm after the system is engineered further.     

Improvement and Experiment of the Reamer in Vibra Cutter Against Wave Edge of Titanium Sheet Alloy Parts

By analyzing the influencing factors of part quality making of sheet alloy of titanium by vibra cutter, the shape of upper reamer is set as cylinder and wedge-shaped form, and the lower reamer as plain and hemicycle form, and its main structural parameters are defined as well. Then it is validated further that such improved vibra cutter reamer can be used to process curve-edged parts of titanium alloy sheet. The experimental result shows that the titanium alloy sheet parts processed by above equipment have no sharpen angles for convex parts and evident crevasse of concave-edged part. In summary, such improvement can eliminate the free-waved edge and improve the manufacture quality of titanium alloy sheet parts greatly.     

数码电子雷管中影响点火头性能因素分析

阐述了数码电子雷管中,点火药剂细结晶三硝基间苯二酚铅（LTNR）的制备工艺;从点火药剂的种类、加入黏合剂的质量分数、桥丝直径、点火头的电阻值、防潮漆的蘸涂等方面对点火头性能的影响因素进行了探讨;通过震动试验、并联起爆试验、延期精度检测与考核,试验结果表明：一次性合成的细结晶LTNR是制造数码电子雷管点火头较为理想的点火药剂,按技术要求生产的点火头性能指标能够满足行业标准要求。     

Experimental Study on the Small Flyer Initiating Behavior of Fine-grained Explosives

The initiating behavior of fine-grained explosives by small flyer is studied. The diameter of small flyer in this device is 1 ram. The test results indicate that the granularity of explosives has great effect on its flyer initiating sensitivity.The flyer initiating sensitivity of the fine-grained explosives is higher and the critical initiating energy is lower than that of common explosives. For common explosive, the flyer initiating sensitivity increases as the density is reduced. But for the fine-grained explosive, the test results are exactly opposite.     

Algorithm for Multi-laser-target Tracking Based on Clustering Fusion

Multi-laser-target tracking is an important subject in the field of signal processing of laser warners. A clustering method is applied to the measurement of laser warner, and the space-time fusion for measurements in the same cluster is accomplished. Real-time tracking of multi-laser-target and real-time picking of multi-laser-signal are introduced using data fusion of the measurements. A prototype device of the algorithm is built up. The results of experiments show that the algorithm is very effective.     

Robust Graded Sliding Mode Tracking Control for Low Speed Spinning Ballistic Missiles

The nonlinear dynamic model of spinning ballistic missiles is established during the first boosting phase of the missile. Based on the conventional backstepping sliding mode control and the assumption of a two time-scale separation of missile dynamics, a graded sliding mode controller is designed with two sub-sliding surfaces which have invariability to external disturbances and parameter perturbations, and a matrix which comprises three first order low pass filters is introduced to prevent ＂explosion of terms＂. Owing to the upper bounds of the uncertainties are difficult to obtain in advance, adaptive laws are introduced to estimate the values of the uncertainties in real-time. Eventually, the numerical simulation results given to show the proposed controller can ensure the steady flight of missiles.