查询词典 projectile

Based on the projectile-borne mechanism angular motion simulation device, a new testing method for the projectile-borne mechanism motion test is provided, which is based on the ARM embedded system.

研究弹道环境下弹载机构的运动规律是引信等弹载机构设计、研制、故障分析和性能评价的重要依据和基础'了。

During testing process, an effective testing system of simulating battle damage has been developed. It consists of high pressed air-gun, an assembled projectile body and bullet-shoe design, an instantaneous velocity measurement system with laser and lens, set-up frame for the specimens, and the projectile trap box.

通过试验研究，一个由高速气炮，弹体与弹托分离机构、连续位移激光测速装置和弹丸回收装置被建立并有效的用于本文的弹丸正撞击试验。

Solid rule ramjet is a new type power system that adapts for morden warfare. As the Virtue of SFRJs simple structure, high specific impulse and accommodating the gas flux itself, enormously improve the cannon-shot of the projectile. The SFRJ-projectile has very nice prospects. In this paper, fistly, the combustion and flow in solid fuel ramjet are analyzed, the physical model of the double-cone inlet and combustor within SFRJ are established.

固体燃料冲压发动机是一种新型的，适合现代战争要求的动力系统，由于固体燃料冲压发动机结构简单、比冲高、自适应性好等优点，大大提高了炮弹的射程，使得其具有广阔的应用前景。

By using unstructured dynamic grid based on local remeshing method, the variation of grid caused by projectile movement was analyzed. Numerical computation results of gun muzzle flow field which arranged in time was obtained. The creation process of the complex flow field of gun muzzle was described. The numerical simulation of flow field including moving projectile was achieved.

采用基于局部网格重构法的非结构动网格技术处理弹丸运动造成的网格变化，给出一系列按时间顺序排列的膛口流场数值计算结果，描述了复杂的膛口流场形成发展过程，实现了含运动弹丸的膛口流场的数值模拟。

Comparisons of the results reveal that capabilities of high execution and low inbreaking of the projectile with empty tine are better than those of the projectile with soft tine.

对获得的结果进行比较可以得出结论：在低侵彻性和高杀伤性方面空尖弹是优于软尖弹的。

We can also get the satisfying comparison of reflection coefficient in relation to the initial charge state of projectile and the change of charge state of projectile with its distance from the solid surface with the other outcome.

另外，我们模拟也得到了入射离子的反散射率随其初始电荷态的变化关系以及作用过程中入射离子的有效电荷与其到表面距离的变化关系等。

Ballistic performance s simulative emulation and validation test of a certain projectile shows that the structure of projectile is fit for the needs of exterior ballistic stability,the data jumpiness of dispersion is within the range of normal,the resistance curve s rebounding phenomena is independent of the str.

用外弹道相似性理论和模拟验证试验进行外弹道优化验证是分析研究中大口径炮弹外弹道特性的有效方法之一。

Many simulation tables for projectile angle motion have been developed,but most of the tables are of 1-DOF or 2-DOF and even if the table is of 3-DOF,the load of projectile is low.

国内外已经研制了多种弹箭角运动模拟装置，但大部分是一自由度或者两自由度，即使是三自由度的，其负载也是有限的，或者转速过低。

This software also can obtain virtual experimental data for any time during the projectile motion, and from processing these data the user can predict a characteristic property of the projectile motion.

让专科学生能够利用此套软体进行模拟实验，经由电脑对物理现象的模拟来作数据的记录，再藉著数据处理及绘图的协助作出结论，使学习者对抛体运动能获得真正的理解，以达到电脑辅助学习的目的。

E., when the bourrelet keeps in contact with, or not in contact with, or impacts with the bore. The patterns of motion of a projectile traveling in an ideal tncreasing twist rifled bore are studied and compared with that of a projectile traveling...

求解了非对称弹丸在渐速膛线理想身管内的运动规律，并将该运动与等齐膛线身管内的弹丸运动进行了对比，由此得出若干结论。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。