Trajectory equation-based miss distance calculation method and system
A calculation method and technology for missing target amount, applied in the field of missing target amount calculation, can solve the problems of complex calculation, complex coordinate system conversion, unpredictable amount of missed target, etc., and achieve the effect of improving calculation accuracy
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[0093] Generally speaking, the amount of off-target calculated by the posterior definition method of traditional theory is used as a benchmark to measure whether the results of other methods are accurate.
[0094] The specific principle of using the post-test definition method to calculate the miss amount is as follows:
[0095] Let the target track be D t (t), the trajectory of the warhead is D d (t), the norm of the projectile deviation E is:
[0096] ||E||=min||Dd(t)-D t (t)||
[0097] If the projectile is defined as t=0, there will definitely be t=t f Instantaneously, there are:
[0098]
[0099] Where Is the relative velocity vector of the warhead to the target.
[0100] It can be seen from the above that all the projectile deviation vectors are perpendicular to the relative velocity of the projectile to the target.
[0101] Since t≥0, the relative velocity of the warhead to the target always exists, so there must be a single plane perpendicular to the above-mentioned relative veloc...
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