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land mine detection using radar bullet ppt
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Mines that are deployed during wartime can remain undetected for several decades and can suddenly be activated after that. Also during the war the mines implanted by our enemy countries must be detected and disseminated properly to save the lives of our soldiers. Therefore, we must say that the detection of landmines is important for all countries today.
COUNTRIES AFFECTED BY MINES
The countries known to have serious problems with landmines are Afghanistan, Bosnia, Cambodia, Ethiopia, Vietnam, Iraq, Kuwait, Laos, Egypt, Eritrea, Chevalier, China. Unfortunately, India, Pakistan, Sri Lanka and Myanmar are among the list of least-mine-affected countries, in addition to another 100 countries.

EARTH MINE
The purpose of a landmine is to deactivate, immobilize or kill. It is an explosive device activated by a person or vehicle or by detonated by electric cable or radio signals. Most landmines are placed just below the surface of the earth and are activated by pressure or trip-wire. Usually, most of the earth will contain many metal parts, which can be used in its detection.

Antipersonnel mines claim 70 new victims every day. This weapon is particularly cruel in children whose bodies are smaller and closer to the explosion that are more likely to suffer serious injuries. Severe disabilities and psychological trauma following the explosion mean that these children will have to take care of themselves for many years.

A wounded child at the age of 10 will need about 25 critical members during his lifetime. This cost in 3000 dollars a huge sum to pay in countries where people earn a little $ 10 a month. . Between 1979 of 1996 red crores embedded over 70,000 amputees with critical limbs and the problem of the still growing landmine. There is no doubt that the discovery of radar is really a big boost to our world as we launch it into the 21st century.

BULLET RADAR
Radar bullet is a special type of bullet. The main use of radar bullet is to find land mines without setting foot on the ground. This involves firing a special bullet into the ground of a helicopter, which could set the buried mines from the buried point.

The bullet drives a radar pulse as the grounds to a stop. This press hits the mine and its image is made available on the computer in the helicopter, offering a safe and efficient way to find land mines

PRINCIPLE OF RADAR
Radar is radio detection and range. Radar is a sensor. Radar uses radio waves to detect and locate objects. The purpose is to provide estimates of certain characteristics of your environment more commonly the presence, position and movement of aircraft, ships and other vehicles.

The radar operates by transmitting electromagnetic energy to the environment and detecting the energy reflected by the object. If a narrow beam of this energy is transmitted by the antenna of the antenna, it is possible to estimate the direction from which it reflects and therefore the bearing of the object. The distance to the reflecting object is estimated by measuring the period between radar pulse transmission and echo reception. At the beginning of the radar bullet the medium change by the waves must be taken into consideration.
The radars usually have main parts, the transmitter antenna receiver, and the display.
The transmitter will transmit an electromagnetic signal through the antenna, which will hit the target and reflect backwards. The same antenna and the time difference between signal transmission and reception are calculated, which will help to measure the distance of the target from the radar.
 

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