ეგ სისტემა მაგ ვიდეოდან როგორც გავიგე ლაზერს არ ხმარობს. არამედ თვიდ დამიზნება(ინფრა წითელი სენსორი) აქვს. მსროლელს წინასწარ შეყავს ჭურვში ფრენის მანძილი. ჭურვი ტრაექტორიის ბოლო ნაწილში თავად ეძებს სამიზნეს და ახდენს ფრენის კორექტირებას.
აგერ მცირე იფნორმაცია:
http://www.defense-update.com/products/s/strix.htmStrix Precision Guided 120mm Mortar Launched Weapon
Produced by Saab Bofors Dynamics
Projectile guidance technology has already been used since 1994 in 120 mm mortars, with the IR homing Bofors/Saab Strix. This weapon can engage targets at a range of 7 km, operates in an autonomous heat-seeking mode which can intelligibly
recognize targets and discriminate targets among decoys and burning targets. Strix has been in service with the Swedish Army since 1994 and also has been ordered by the Swiss Army. It is optimized as an anti-armor weapon, defeating targets with top-attack.
აქ კიდე ინფორმაციაა სხვადასხვა ჭკვიან ნაღმებზე.
http://www.global-defence.com/2000/pages/mortar.htmlSmart mortar ammunition Alex Taylor reviews the current field of hi-tech, hi-precision mortar rounds for the 21st century
The development of precision-guided mortar ammunition has been a chequered affair with many programmes falling by the wayside because of budgetary, technical and doctrinal problems. But by the mid-1990s, the first systems had entered frontline use and a number of programmes around the world were at an advanced stage.
So-called smart mortar rounds use a variety of guidance systems to achieve the much desired one-round, one-kill capability. Laser designation involves an observer directing a laser beam at the intended target. A seeker in the in-bound round detects the reflected laser light and small moveable fins steer the weapon towards the target.
Newer generation guidance systems use either millimetric radar or imaging infrared to detect their targets. Electronic target libraries stored in the weapon’s computer brain are used to determine if a target is valid. Once a target is identified and recognised, the weapon’s targeting computer sends instructions to moveable fins or thrusters to steer it to its target. These weapons are true fire-and-forget systems; once launched they autonomously find their targets.
Smart mortar roundsThe British Royal Ordnance 81mm Merlin millimetric radar guided round was one of the first- generation smart mortar rounds. It was developed at considerable expense by the UK Ministry of Defence (MoD) but a production order was never placed because of the high cost of the weapon.
The only western system in frontline use is the SAAB/Bofors Strix that has been in service with the Swedish Army since 1994 and also has been ordered by the Swiss Army. This uses imaging infrared technology to find-hit-kill targets. The Strix round can be used from most standard 120mm mortar tubes and crews require little additional training. It is optimised to attack the weak top armour of tanks and other vehicles.
Crews are provided with a small programming unit that inputs relevant targeting data prior to use. This is similar to the procedure for setting a normal proximity fuse. Three rounds can be fired from an individual mortar in 20 seconds and they hit targets in excess of seven kilometres. No maintenance is required except for routine humidity checks. To reduce training costs there is a practice programming projectile, inert sustainer and launch unit.
The US Army initiated its precision-guided mortar munition (PGMM) advanced technology demonstrator (ATD) programme in 1994 by launching a run-off between three European designs before selecting the German Diehl Bussard weapon. The 120mm round’s range is up to 15km and it uses either man-in-the-loop laser designation or fire-and-forget imaging infrared seeker. Lockheed Martin Electronics & Missiles are running the US end of the development programme.
Extended range demonstrations of the PGMM will take place later this year. The ATD is due to be concluded with a flight test to engage a laser-designated bunker during 2001.
The US Army envisages the PGMM as being a manoeuvre task force commander’s hip-pocket precision-guided, indirect weapon. It will provide the responsive, stand-off, one-shot-kills capability that is thought to be so critical in military operations in urban terrain. The laser seeker and guidance and control designs are being matched to the warhead for maximum effectiveness against point target. Funding to set up production facilities is in the US Army programme for 2002 to 2006.
The 81mm Merlin millimetric radar-guided round - one of the first of the smart generation
Fibre optics
Boeing have been managing a long-term programme for the US Army to develop the fibre-optic mortar projectile that uses an unjammable fibre-optic cable to guide the weapon. Both of these programmes have yet to result in the fielding of operational systems.
It is thought highly likely that a mortar-launched version of the Franco-German Polypheme fibre-optic guided weapon may be developed. This solution offers significant savings because expensive guidance and control units do not have to built into individual rounds that are lost when the weapon is employed. These key elements remain safely in the firing unit.
The 120mm ACED directed-effect anti-armour round is a definition study being conducted by TDA to capitalise on technology use in the ACED 155mm smart artillery round. It uses a combination of millimetric wave radar and imaging infrared sensors to guide and queue a top attack munition. TDA are contemplating beginning work on a laser-designated mortar round. The round would be part of the family of generic ACED weapons. Each mortar round would feature two sub-munitions.
Russian developments
Rheinmetalls are in the process of developing the sensor-fused 120mm HE-L round with an in-service date of 2005 that utilises a ground distance sensor for terminal guidance. This is being developed for use on the Wiesel 2 light armoured vehicle. A special anti-armour warhead containing tungsten balls also is being developed for the weapon.
The Russians have fielded a number of laser- designated and guided mortar rounds including the 240mm 1K113 Smelchak and 120mm Kitolov-2M.
Smart rounds are still in their infancy and look like becoming an area of great interest worthy of special attention over the coming years as armies look to field increasing numbers of precision-guided weapons. New computer technology also offers a way forward that does not involve huge capital costs. ©
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