The paper studies the influence of propellant thickness on the interior ballistic performance of an equilibrium launcher, such as, probable error of muzzle velocity, maximum pressure. 该文研究了某平衡抛射武器发射药厚度对其初速或然误差、最大膛压等内弹道性能的影响。
Probable Error of Fire for the Low Temperature Sensitivity Propellant Charge 低温感发射装药发射的或然误差
On the same risk level, the correlativity function between different flood discharge magnitude and its maximal probable error is called forecasting error risk function. 将同一风险率水平下,不同量级洪水与相应可能最大误差建立相关方程,称为预报误差风险函数。
Analysis of effect of combustible cartridge case charge on muzzle velocity probable error of projectile 可燃药筒装药对弹丸初速或然误差影响的分析
The variance analysis method is used to process a lot of test data by gun shooting. The influence of the initial random parameters of interior ballistics on the maximum pressure and probable error of muzzle velocity is studied by the statistic analyse. 利用靶场提供的大量试验数据,用统计学中的方差分析法,对内弹道过程中一些初始参量在随机波动时对最大膛压和初速或然误差影响的显著性进行了统计分析。
Then Zhang proposed a one-parameter quadratic-base version of the Baillie-PSW probable prime test, or One-Parameter Quadratic-Base Test ( OPQBT) for short and gave formulas for computing its probability of error. 张振祥接着又提出Baillie-PSW测试的单参数二次基版本,简称单参数二次基测试(OPQBT),给出了OPQBT的出错概率计算公式,并根据n的素因子个数给出了出错概率的上界。
Retrospect analytical method, which consists of concrete diagnosis processes-describing common performance conditions, defining the possible error modes, defining the probable causal factors and making an match estimation, is adopted to diagnose causal factors from human error modes. 以人误模式为切入点,对这些因素的诊断采用了人误原因的回溯性分析方法,具体过程为:一般行为条件描述确定可能的人误模式确定可能的人误原因因素匹配判断。
The limit on increment of probable error of muzzle velocity has been derived on the basis of that the increment will increase probable error of range and decrease probablity hitting the mark. 基于对初速或然误差增大所引起的射程或然误差增大和命中概率降低的限制,导出了对库存弹药初速或然误差增大的限制。
Error and Uncertainty Research on the Increment Limit of Probable Error of Muzzle Velocity 误差及不确定度库存弹药初速或然误差增大限的分析
If the reasonable ratios of B_x/ E_x or B_z/ E_z and the proper relative values of the probable error of the center of bunching(?) 若选择合理的Bx/Ex、Bz/Ez比值和合适的准确度中间误差相对值(?)
In order to avoid or reduce the probable huge error in making decision and to maximize the profit of stockholders, economic evaluation must be conducted firstly. 为了避免和减少投资决策的重大失误,为了股东获取最大利润,必须在决策前进行项目经济评价。
Significance Analysis of the Effects of Charge Weight on Probable Error of Muzzle Velocity 装药量变化对初速或然误差影响的显著性分析
This paper describes principle, circuit, transducer and experimental results of intellectual chloridometer. After being used in factory and compared with the chemical method, it showed that the probable error of the intellectual chloridometer is less than 0.1% 本文介绍了一种智能化氯气浓度计的原理、仪器及换能器设计要点,最后给出实验结果,经工厂使用与化学分析对比,其或然误差小于0.1%
This paper analyzes error in numerically controlled electrochemical contour evolution machining of blades of integral impeller with straight generatrix surface, analyzes and calculates various elements that result in error and quantity of probable error. 分析了数控展成电解加工整体叶轮叶片的直纹曲面所产生的误差,对产生误差的各有关因素及可能产生误差的大小,进行了分析计算。
Results show that the effect of charge weight variation on the muzzle velocity probable error is not significant when the variation is within normal range. 结果表明,装药量在其正常范围内波动时,装药量的变化对初速或然误差的影响并不显著。
In the methods, calculations of total water current vector, leeway and total probable error of position are carried out by computer program. 用计算机程序实现了包括总水流矢量的计算、风压差的计算及位置总或然误差的计算。
This paper analyses the effective factors and restricted methods of combustible cartridge case charge on muzzle velocity probable error. 分析了可燃药筒对初速或然误差的影响因素及限制办法。