26-06-2013, 01:05 PM
NIGHT VISION TECHNOLOGY ABSTRACT
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ABSTRACT
NIGHT VISION ,AS THE NAME IMPLIES IS THE ABILITY TO SEE INDARKNESS.ORIGINALLY DEVELOPED FOR MILITARY USE, IT HASPROVIDED NATIONS WITH STRATEGIC ADVANTAGE IN FORM OFMILITARY AND CIVILIAN MEANS.NIGHT VISION EQUIPMENTS HAVEEVOLVED FROM BULKY INSTRUMENTS TO LIGHT WEIGHT GOOGLESSTARTING FROM GENERATION 0 TO GENARATION 4.NIGHT VISIONBASICALLY RELIES ON TWO TECHNOLOGIES.THEY ARE IMAGEINTENSIFICATION AND THERMAL IMAGING.IMAGE INTENSIFATIONUSES A SERIES OF LENS AND A PHOSPHOR SCREEN TO FACILITATENIGHT VISION,WHERE AS THERMAL IMAGING RELIES UPON THE INFRA-RED RAYS EMITTED FROM OBJECTS AND THEN ARE PROCESSED IN ADIGITAL PROCESSOR TO PRODUCE AN IMPRESSION OF THE OBJECT ONA COMPUTER SCREEN.NIGHT VISION DEVICES HAVE A NUMBER OFAPPLICATIONS RANGING FROM THERMAL IMAGING CAMERA TO NIGHTVISION GOOGLES.NAME: SAFALYA KUMAR BISWALBRANCH: ECE(2)REGD NO:0701287256ROLL NO: 0