Dispersion Law of Impact Points of a Certain Typeof Trajectory Correction Projectile

SONG Xieen;WANG Weipeng;DING Feng;SHANG Chunming

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    Published By: Journal Of Ballistics

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Journal Of Ballistics ›› 2021, Vol. 33 ›› Issue (02) : 40-46. DOI: 10.12115/j.issn.1004-499X(2021)02-006

Dispersion Law of Impact Points of a Certain Typeof Trajectory Correction Projectile

  • SONG Xieen,WANG Weipeng,DING Feng,SHANG Chunming
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Abstract

In order to obtain the dispersion law of impact points and the evaluation method of firing accuracy for a certain type of trajectory correction projectile,lots of impact-point data of trajectory correction projectile was obtained through the Monte-Carlo target practice. The distribution law of impact points was analyzed by using classical numerical statistics,histogram,probability paper,skewness kurtosis testing and SPSS software. It was determined that the dispersion of impact points obeys the two-dimensional normal distribution,and the probability density function was also obtained. The firing accuracy of the trajectory correction projectile was compared with that of uncontrolled projectile. The result shows that the index and calculation method of uncontrolled projectile are suitable for evaluating the firing accuracy of trajectory correction projectile. It provides theoretical and technical support for the acceptance of firing accuracy of trajectory correction projectile,and it’s also helpful for the application of the ammunition in future war.

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trajectory correction projectile / dispersion law of impact points / numerical analysis / normal distribution

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SONG Xieen,WANG Weipeng,DING Feng,SHANG Chunming. Dispersion Law of Impact Points of a Certain Typeof Trajectory Correction Projectile. Journal Of Ballistics. 2021, 33(02): 40-46 https://doi.org/10.12115/j.issn.1004-499X(2021)02-006

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