Working of a guided missile
So now you all know the difference between a cruise and a ballistic missile. First of all, Missile guidance refers to a variety of methods of guiding a missile or a guided bomb to its intended target. A cruise missile is a low-flying guided missile which is which is made to its target by an on-board computer. Today lets know how a missile is guided to its target. Unguided rockets proved to be useful yet frequently inaccurate weapons when fired from aircraft during the World War II. The use of guided missiles facilitates more accuracy and is low prone to attacks due to its low altitude path. Guided missiles work by tracking the location of the moving target in space. It includes using a radar or following its heat signature.
Guidance systems are divided into different categories. This is based upon whether they are designed to attack fixed or moving targets. The division of these systems can be in two categories.
A GOT missile can target either a moving or fixed target.
A GOLIS weapon is limited to a stationary or near-stationary target.
Here are some of the systems used to implement various guidance control rules in missiles.
Line Of Sight system
The radar station tracks the target continuously (regardless of and emits a beam leading up to the target. The missile stays on the beam to hit the target.
Opposed to the LOS system, this guidance system involves only two players: the missile and the target. The missile automatically stays on the target.
Heat seeking missiles
An infrared optical sensor that tracks and pursues the heat signature of the target is installed at the head of the missile. These are also referred to as fire-and-forget missiles. You might have heard about the NAG missile, it falls under this category.
Unlike the pursuit guidance system, such missiles don’t pursue the target. They just keep moving in a carefully calculated direction with a constant velocity to eventually smash into the target.
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