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Army's new mobile laser can shoot down mortar rounds.
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<blockquote data-quote="Derren" data-source="post: 1729059" data-attributes="member: 2518"><p>Only that Irak isn't the kind of area this system would be much of use because of the city battlefields.</p><p></p><p>Also it isn't as easy as saying "missiles comming towards me". Computers are stupid. Coming towards me is nothing a computer understands. A computer understands it when the round reduces its distance to a specific point. That will work but isn't very exact.</p><p>A setting to low and the system will fire at round which pose absolutely no threat or are fired by your own troops nearly parallel to the radar. A setting to high and the system would ignore rounds which aim at one of the flanks.</p><p></p><p>And that is only when the system and the defending area are stationary. If one or both things are mobile, things get much more complicated.</p><p></p><p></p><p></p><p>Maybe I underestimate the current computer technology, but unlike the excisting systems, time is very cruical here. All this calculation have to be done before the round is to close to be intercepted. You also need some data from the round like speed, vector, how much it is affected by wind, weather and air resistence to calculate the flight path. I guess unless the flight path is rather flat (missiles) such calculation can't really begin untill the round is near its highest point if the calucaltion should be exact. If only the general area should be calculated it gets easier, but if the round is hostile, the exact path for targeting has to be calculated again.</p><p></p><p>The laser certainly will not replace SAMs, as its range is so close but depending on the accuracy of the laser I can see how in newer ships this system replaces the chainguns which I imagine as beeing more a system which depends on the mass of rounds to hit anything than on precision.</p><p>It all depends on the precision, the range, the ammount of gas and availability of it and if the laser is useable and efficent in all weather conditions.</p></blockquote><p></p>
[QUOTE="Derren, post: 1729059, member: 2518"] Only that Irak isn't the kind of area this system would be much of use because of the city battlefields. Also it isn't as easy as saying "missiles comming towards me". Computers are stupid. Coming towards me is nothing a computer understands. A computer understands it when the round reduces its distance to a specific point. That will work but isn't very exact. A setting to low and the system will fire at round which pose absolutely no threat or are fired by your own troops nearly parallel to the radar. A setting to high and the system would ignore rounds which aim at one of the flanks. And that is only when the system and the defending area are stationary. If one or both things are mobile, things get much more complicated. Maybe I underestimate the current computer technology, but unlike the excisting systems, time is very cruical here. All this calculation have to be done before the round is to close to be intercepted. You also need some data from the round like speed, vector, how much it is affected by wind, weather and air resistence to calculate the flight path. I guess unless the flight path is rather flat (missiles) such calculation can't really begin untill the round is near its highest point if the calucaltion should be exact. If only the general area should be calculated it gets easier, but if the round is hostile, the exact path for targeting has to be calculated again. The laser certainly will not replace SAMs, as its range is so close but depending on the accuracy of the laser I can see how in newer ships this system replaces the chainguns which I imagine as beeing more a system which depends on the mass of rounds to hit anything than on precision. It all depends on the precision, the range, the ammount of gas and availability of it and if the laser is useable and efficent in all weather conditions. [/QUOTE]
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