Military Radars i want ppt on this very urgent n also send me few other seminar ppt. its very urgent

The development and deployment of radar(Radio detection and Ranging) is one of the great historical achievements of the military industrial base. Military forces have been using radar since the start of the Second World War, when the British radar early warning system helped the Royal Air Force to defeat the Luftwaffe in the Battle of Britain.Radar operates 24 hours a day, and in nearly all weather conditions, giving it a flexibility that other sensors lack.There are many specilised radar systems .These systems include continuous wave and pulse radars, moving target indicators, synthetic aperture radars, over-the-horizon radars, monopulses, and most recently, laser radars. Most recently , multi-function radars have begun to appear which has been a result of recent developments in antenna design, most particularly the active electronically steered array.
many civilian applications, include weather avoidance, navigation, and maritime
surveillance. Later, radar was used for high-resolution area mapping
and for many civilian space applications.
History
The history of the Battle of Britain indicates clearly that the influence of radar is most decisive when command, control and intelligence systems fuse the information which is gleaned from radar with intelligence from other sensorThroughout most of the Cold War era,
military radar and other military electronics requirements drove most of the technology developments in the microwave frequency range (about 1 GHz to 30 GHz) and millimeter-wave (MMW) frequency range (30“100 GHz).
Phased-array radars, based on electronically scanning antennas populated with transmit/receive (T/R) modules that employ GaAs MMIC chips, are on the cutting edge of military radar technology. These have advantages like stealthiness, extended target-detection range, simultaneous multiple-target engagement capabilities , greater reliability,higher survivability, and reduced weight and size.
The battle for control of the electro-magnetic spectrum means that radar designers and operators are competing using techniques like jamming, decoys, stealth technology, and anti-radiation missiles. Radar counter measures include intercept radars, and anti-stealth and anti-anti-radiation missile systems. While domestic manufacturers continue to dominate markets in the most important countries, international co-operation is increasing, and the military radar market is gradually becoming more competitive.

Full report:

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Abstract can also be found in this thread:
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MILITARY RADARS

ABSTRACT
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RADAR (Radio Detection and Ranging) is basically a means of gathering information about distant objects by transmitting electromagnetic waves at them and analyzing the echoes. Radar has been employed on the ground, in air, on the sea and in space. Radar finds a number of applications such as in airport traffic control, military purposes, coastal navigation, meteorology and mapping etc. The development of the radar technology took place during the World War II in which it was used for detecting the approaching aircraft and then later for many other purposes which finally led to the development of advanced military radars being used these days. Military radars have a highly specialized design to be highly mobile and easily transportable, by air as well as ground. In this paper we will discuss about the advanced features and benefits of military radar, system configuration of a typical military radar, operating the radar, system functions, various terminal equipments used along with their functions and some of the important parts of the radar such as transmitter, receiver, antenna, AFC (Automatic Frequency Control) etc.

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RAVICHAND.G

MILITARY RADARS

ABSTRACT
RADAR (Radio Detection and Ranging) is basically a means of gathering information about distant objects by transmitting electromagnetic waves at them and analyzing the echoes. Radar has been employed on the ground, in air, on the sea and in space.
Radar finds a number of applications such as in airport traffic control, military purposes, coastal navigation, meteorology and mapping etc.

The development of the radar technology took place during the World War II in which it was used for detecting the approaching aircraft and then later for many other purposes which finally led to the development of advanced military radars being used these days.

Military radars have a highly specialized design to be highly mobile and easily transportable, by air as well as ground.
INTRODUCTION
  Military radar should be an early warning, altering along with weapon control functions. It is specially designed to be highly mobile and should be such that it can be deployed within minutes.
Military radar minimizes mutual interference of tasks of both air defenders and friendly air space users.
This will result in an increased effectiveness of the combined combat operations.

The command and control capabilities of the radar in combination with an effective ground based air defense provide maximum operational effectiveness with a safe, efficient and flexible use of the air space.
The increased operational effectiveness is obtained by combining the advantages of centralized air defense management with decentralized air defense control.

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