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Transcript of Remote sensing
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REMOTE SENSING TECHNOLOGY
Submitted By:-Nishant ChaturvediMCA Vth SemMCA-554
Submitted to:-Mrs. Preeti TiwariSr.Asst.ProfessorISIM Jaipur
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History
1858 Balloonist G.Tournachon made photographs of Paris from his balloon.
Systematic aerial photography developed for military and reconnaissance purposes beginning in World War I and reaching a climax during the Cold War .
Artificial satellites in the latter half of the 20th century.
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Aerial Photos
Balloon photography (1858)
Kite photography (1890)
Pigeon cameras (1903)
Aircraft (WWI and WWII)
Space (1947)
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REMOTE SENSING SYSTEMThe gathering of information from an object or surface
without direct contact.
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Energy Source or Illumination (A)
Radiation and the Atmosphere (B)
Interaction with the Target (C)
Recording of Energy by the Sensor (D)
Transmission, Reception, and Processing (E)
Interpretation and Analysis (F)
Application (G)
Remote Sensing Process Components
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Types
Passive Remote Sensing
Photography Radiometers
Active Remote Sensing
RADAR LiDAR
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Resolution Techniques
Spatial Resolution
Spectral Resolution
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High vs. Low?
Spatial Resolution
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SpectralResolution
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System Used
Optical System
Panchromatic imaging system Multispectral imaging system Super spectral Imaging System Hyper spectral Imaging System
RADAR System
LiDAR System
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Optical Remote SystemOptical remote sensing makes use of visible, near
infrared and short-wave infrared sensors to form images of the earth's surface by detecting the solar radiation reflected from targets on the ground.
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Panchromatic Imaging SystemA single channel sensor is used to detect radiationIf range of wavelength and the visible range become
same then the imagery will appear as a black and white photograph taken from space
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Multispectral Imaging SystemUses a multi channel detector and records radiation
with a narrow range
Brightness and color informatics are available
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Super Spectral Imaging SystemFiner spectral feature that capture by the sensors.
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RADAR SystemRadio Detection And RangingObject detection system which uses electromagnetic
waves determine range, direction or speed
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LiDAR SystemLight Detection And RangingMeasures distance by sending pulses of laser light that
strike and reflect from the surface of earth.
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Application Area
Forestry
Agriculture
Hydrology
Sea Ice
Land Cover & Land Use
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