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Improved theory of projectile trajectory reference heights as characteristics of meteo-ballistic sensitivity functions

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Defence Technology（防务技术） 2017年第3期13卷 177-187页

作者： vladimir cech Jiri Jevicky Department of Weapons and Ammunition University of Defence Oprox Inc. Department of Mathematics and Physics University of Defence

Projectile trajectories calculated under non-standard conditions are considered to be perturbed. The tools utilized for the analysis of perturbed trajectories are weighting factor functions(WFFs) which are a special kind of sensitivity functions. WFFs are used for calculation of meteo ballistic elements mB(ballistic wind wB, virtual temperature tB, pressure pB, density rB, speed of sound a) as well. An effect of weapon system parameters can be incorporated into calculations through the reference height of *** are also calculated from WFFs. Methods based on RHT are far more effective than traditional methods that use weighting factors *** have found that the existing theory of RHT has several shortcomings due to we created an improved theory of generalized RHT which represent a special sensitivity parameters of dynamical systems. Using this theory will improve methods for designing firing tables, fire control systems algorithms, and meteo message generation algorithms.

关键词：灵敏度函数气象要素弹道风特征动力系统理论消防控制系统加权因子生成算法

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Improved theory of generalized meteo-ballistic weighting factor functions and their use

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Defence Technology（防务技术） 2016年第3期12卷 242-254页

作者： vladimir cech Jiri JEVICKY Department of Weapons and Ammunition University of Defence Oprox Inc. Department of Mathematics and Physics University of Defence

It follows from the analysis of artillery fire errors that approximately two-thirds of the inaccuracy of indirect artillery fire is caused by inaccuracies in the determination of the meteo parameters included in fire error budget *** calculated under non-standard conditions are considered to be *** tools utilized for the analysis of perturbed trajectories are weighting factor functions(WFFs)which are a special kind of sensitivity *** are used for calculation of meteo ballistic elements B(ballistic wind w B,densityρB,virtual temperatureτB,pressure p B)as *** have found that the existing theory of WFF calculation has several significant *** aim of the article is to present a new,improved theory of generalized WFFs that eliminates the deficiencies *** this theory will improve methods for designing firing tables,fire control systems algorithms,and meteo message generation algorithms.

关键词： Exterior ballistic Non-standard projectile trajectory Perturbation Meteoconditions Sensitivity function (Generalized) weighting (factor) function(curve) (Generalized) effect function Norm effect

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Problem of the reference height of the projectile trajectory as a reduced meteo-ballistic weighting factor

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Defence Technology（防务技术） 2014年第2期10卷 131-140页

作者： vladimir cech Ludek JEDLICKA Jiri JEVICKY Oprox Inc.Kulkova 8 Department of Weapons and Ammunition University of DefenceKounicova 65 Department of Mathematics and Physics University of DefenceKounicova 65

This paper deals with the issue of preparation of the aiming angles with the use of tabular firing tables and needed determination of the ballistic elements μ_B(ballistic wind w_B,w_(xB),w_(ZB),ballistic(virtual) temperature τ_*** density p_B) from the standardized met *** weighting factors are used for the calculation of ballistic elements μ_B that are incorporated into the trajectory calculations characteristics of weapon and *** different methodologies practically used in the praxis are analysed and *** the comparison of the two methodologies the reference height of trajectory determined from the weighting factor functions is *** the basis of the analyses conducted,the potential for further increase in accuracy of these aiming angles preparation methods is pointed out.

关键词：加权因子弹道风基准气象弹丸制备方法瞄准角道密度

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