On the basis of given burning area for spinning solid rocket motor, the internal ballistic calculation equations are solved by Runge-Kutta method and the calculation program is obtained. 在推导出旋转条件下的燃面变化规律的基础上,采用龙格库塔法求解了内弹道计算基本方程,并编制了计算程序。
With a combination of calculation and evaluation of charge ballistic schemes, a new charge ballistic design method based on multiple attributes is presented. 在传统火药装药弹道设计方法的基础上,将装药弹道模型的求解与评价相结合,给出一种基于多指标的弹道设计新方法。
Ballistic missile design method study based on PSO 基于粒子群算法的弹道导弹设计方法研究
Analogue meters and potentiometers can be replaced by digital meters and non-inductive resistors in the classical ballistic method, so it makes wiring and operating more easier. 用数表及无感固定电阻取代传统冲击法测量中的电流表和滑动变阻器,大大减缩短了测量装置的接线,同时使测量装置更易于操作。
The Research of Ballistic Modifying Optimum Control Method for Improving the Accuracy of Ballistic Missile Shooting 提高弹箭射击精度弹道修正最优控制方法研究火箭[导弹]弹道学
An over-optimistic assessment in accuracy is often resulted from the magnetization measurement by the current standard methods for the feebly magnetic materials due to ignoring the significant influence of demagnetizing field on the ballistic method. 现有的一些弱磁材料标准测磁方法,忽视了退磁场对冲击法磁化强度测量的重要影响,因而给出了过于乐观的精度估计。
Interior Ballistic Solving Method for High Speed Guns With Combustible Cartrige 可燃药筒高速炮内弹道解法
The ballistic calculation method of physical characteristic parameters of a mass changing 变质量弹丸结构特征数的弹道计算方法
The Multi-attribute Evaluation of Menace of Targets in Midcourse of Ballistic Missile Based of Entropy Method 弹道导弹中段目标威胁度多属性评估研究
Application of the theory of equilibrium of interior ballistic potential to the interior ballistic solving method of recoilless guns 应用内弹道势平衡理论的无后座炮内弹道解法
The main error is pointed out by analyzing the process of measuring a magnetic field by the ballistic method The measures for improvement are introduced A comparison is made between the measured results before and after the improvement 文章对冲击法测磁场进行了分析讨论,指出了测量中的重要误差来源,并介绍了改进措施,对改进前后的测量结果进行了比较
The results of the range experiment indicate that the air ballistic characteristic tested by this method is directive to the research and development of a rocket-propelled acoustic jamming equipment. 靶场实验结果表明,利用该方法所测出的火箭助飞式声干扰器的空中弹道特性对其研制过程有一定指导意义。
The performing procedure of rapidly forming the ballistic missile launch-site and the method of processing integrated GPS+ GLONASS system data are presented emphatically in this paper. 首先,重点论述快速构筑导弹发射阵地的实施过程以及GPS+GLONASS组合系统的数据处理方法。
A Study of Velocity Measurement by Solenoid Sensors on Ballistic Ranges On Mediation Method 弹道靶线圈法测速的研究
The ability of detecting weak harmonics and frequency resolution of this method can be improved remarkably; THE INFLUENCE OF ELECTRICAL LEAKAGE IN SWITCH ON MEASURING CAPACITANCE BY BALLISTIC METHOD AND ITS IMPROVEMENT 开关漏电对冲击法测电容的影响及其改进
In-tube Ballistic Parameters Distribution Based on Monte Carlo Method 基于蒙特卡洛法的发射管内弹道参数分布的研究
From the experiment, students could develop a good understanding of the concept of capacity for the further application study on the ballistic method. 对学生开设这一实验内容,可以使学生更好地掌握电容这一重要概念,并可以进一步深入对冲击电流计的应用研究,扩大知识面。
An extension of conventional two phase flow model for study of flame spreading in gun ballistics includes: in the early part of the ballistic cycle, an integral numerical method has been developed to describe the plasma jet penetration; 对常规火炮两相流模型的主要改进包括:在初期点火阶段,建立了描述等离子体射流分布的积分近似数学模型;
Finally, through the empirical datum union with the simulation datum, obtains the ballistic limit equation with the method of multiple linear regressions, and to the fitted equation carries linear relations significance test. 最后,通过已有的实验数据结合数值模拟得到的数据,用多元线性回归的方法得到拟合的撞击极限方程,并对拟合出的方程的线性关系进行显著性检验。
The overall project of power line erection device design with a rocket, selection of hanger position, release project of towing line force condition analysis and ballistic calculation method of rocket etc. 介绍了火箭架线作业装置设计的总体方案、挂线部位选择、牵引绳放线方案、架线火箭的受力分析及弹道计算方法等内容。
In order to improve the accuracy, hit rate and synchronism, based on the approach and predication ability of RBF neural network, a new ballistic resolving method is proposed, which optimizes the rational algorithm with RBF. 为了提高解算精度、战车首发命中率和解算的实时性,基于RBF网络的函数逼近及预测能力,将RBF网络用于弹道解算,对传统算法进行优化,得到了新的弹道解算方法。
When using the ballistic trajectory integral method to obtain the ballistic coordinate, the preci-sion of initiative shoot condition is vital. 在使用弹道积分方法求取弹丸飞行弹道坐标时,起始发射条件的准确性至关重要。
Based on analyzing the separation detection conditions of imperfect superposition holes and the measurability of ballistic coordinates, the method of automatic measurement was presented on the basis of distance conversion, which is a successful application of distance conversion and watershed. 在分析了不完全重合弹孔的可分离检测条件、弹道坐标可测性的基础上,提出了基于距离变换的弹道坐标自动测量方法,是距离变换分水岭方法的一种成功应用。
Main Error in Measuring a Magnetic Field by the Ballistic Method 冲击法测磁场的重要误差来源
Research for Correction Factor of Ballistic Character Measuring Method 内弹道性能修正系数测试研究
Transient and average thrust are two important performance parameters of pulse detonation engine. The principle and system structure of direct measurement method and indirect measurement methods ( including thrust wall pressure integral method and ballistic pendulum method) are introduced. 针对脉冲爆震发动机瞬时推力、平均推力测量问题,介绍了直接测量法和间接测量法(包括推力壁压力曲线积分法和抛物摆法)的测量原理及系统构成。
Take the optimum design of rocket ballistics as an example, the general principle of the ballistic optimum design and determination method of design variables, objective function and restraint conditions are discussed. 以***道优化设计为例,论述了优化的一般原则,确定设计变量、目标函数和约束条件的方法。
Then, Taking into account the measurement error factors in engineering practice, the method for ballistic parameters method based on trajectory fitting is expounded, and simulation results verify the effectiveness of the method for trajectory fitting and the SAR imaging program for non-uniform linear motion. 然后,考虑到工程实践中测量误差的因素,阐述了基于弹道拟合方法获取弹道参数的原理,并通过仿真实验验证了弹道拟合方法和非匀直SAR方案的有效性。
The land diameter wear figure of gun and corresponding parameters of the interior ballistic performance are tested with experimental method. According to their correlativity, some experimental formulas are set up. 测试了多种火炮在各种烧蚀条件下火炮内径磨损量及其所对应的内弹道性能参数,根据它们之间的相关关系,建立经验公式。