PH3203 PHYSICS FOR GEO - INFORMATICS ENGINEERING LTPC3003
OBJECTIVES:
- To understand the fundamentals of electromagnetic radiation, measurement of radiation and physical laws.
- To introduce the concepts of atmosphere and scattering principles. To understand the interaction of EMR with atmosphere and to introduce the concept of imaging and non- imaging sensors for atmospheric probing.
- To gain knowledge about basic optical principles in remote sensing and to introduce the concept of photography and its development.
- To understand the basics of gravitation and the physics behind it, and to introduce satellites and its effectiveness in earth monitoring.
- To understand the different types of electro-optic sensors and its detection mechanism
UNIT I ELECTROMAGNETIC RADIATION 9
Electromagnetic Spectrum - radiation quantities - spectral quantities - relationship between luminous and radiant quantities - hemisphericalreflectance,transmittance and absorbance, measurement of electromagnetic radiation - responsivity - normalization, radiating structures -thermal emission - fluorescent emission - Radiation principles - Planck‘s law, Wien’s Displacement Law, Stefan’s Boltzmann law, Kirchoff‘s law.
UNIT II INTERACTION OF EMR WITH ATMOSPHERE AND EARTH’S SURFACE 9
Introduction to atmosphere, atmospheric composition, atmospheric scattering, Raleigh scattering, Mie scattering, non-selective scattering -atmospheric absorption - atmospheric windows, refraction - interaction of EMR earth‘s surface - reflection - transmission - spectral signature - Reflectance characteristics of Earth‘s cover type: Vegetation, water, soil - Interaction of microwave with
atmosphere and Earth‘s surface – Radar - Radar operating principle - radar equation - Side Looking Airborne Radar - Definitions: Incidence angle, look angle, depression angle, Azimuth angle – Spatial resolution in radar - Synthetic Aperture radar.
UNIT III OPTICS FOR REMOTE SENSING 9
Lenses, mirrors, prisms - Defects of lens - chromatic aberration - longitudinal chromatic aberration - achromatism of lenses - achromatism for two lenses in contact - separated by a distance - spherical aberration - minimization of Spherical aberration - coma astigmatism - Radiative Transfer Functions, Lamella Pack, Volume scattering - Principles of photography: black and white
photography - sensitivity - speed - characteristic curve - developing and printing - basic colour photography - construction of colour films - film type - types of filter - and its uses.
UNIT IV GRAVITATION AND SATELLITES 9
Newton‘s law of gravitation - Gravitational field and potential - Determination of gravity, variation of acceleration due to gravity of the earth with depth and with altitude - Variation of acceleration due to gravity due to rotation of the earth – Refraction. Diffraction - Fresnel theory, Circular diffraction, Polarisation double refraction - Escape velocity - Kepler‘s law of planetary motion - Doppler effect –
Satellites andits functions - Types of satellites –Indian satellites and their functions – contribution in earth observation, communication, navigation, weather, military and scientific purpose.
UNIT V ELECTRO - OPTIC SENSORS 9
Photomultipliers, photo resistors, photodiodes, nonselective detectors - Optical receivers, PIN and APD, optical preamplifiers, Detectors: Basic detector mechanisms, noise in detectors. Thermal and photo emissive detectors, Photoconductive and photovoltaic detectors, performance limits,
Photographic, - Sensitivity, time and frequency response - hybrid photo detectors- Imaging detectors - eye and vision, photographic film. Camera tubes, solid-state arrays, video, Detector electronics, detector interfacing - Different CCD cameras.Orbital Mechanics, Concept of orbits- propulsion, aero dynamics, navigation guidance and control.
OUTCOMES:
- The students will gain knowledge about electromagnetic radiation and its principles.
- The students will be able to understand the physics of atmosphere and the use of imaging and non-imaging sensor in atmospheric probing.
- The students will gain knowledge about remote sensing and photography.
- The students will be encouraged to learn the development of satellite technology in geo- informatics.
- The students will gain knowledge about different electro optic sensors.
TEXT BOOKS:
- T.M.Lillesand, R.W.Kiefer and J.W.Chipman. Remote Sensing and Image Interpretation. Wiley, 2011.
- Manual of Remote Sensing. American Society of Photogrammetry, 2016.
- M.Anij Reddy. Textbook of Remote Sensing and Geographical Information systems. BS Publications, 2012.
REFERENCES:
- D.G.Andrews. An Introduction to Atmospheric Physics. Cambridge University Press, 2010.
- Murry L. Salby, Physics of the Atmosphere and Climate, Cambridge Univ. Press, 2012.
- F.G.Smith,T.A.King and D.Wilkins. Optics and Photonics: An Introduction. Wiley-Blackwell , 2007.
- Hengnian Li, Geostationary Satellites Collocation, Springer, 2014.
- Silvano Donati, Electro-optical Instrumentation: Sensing and measuring with Lasers, Prentice Hall, 2004.
Click Here to Download Question Paper- Apr/May 2017
Click Here to Download Question Paper- Apr/May 2018
Click Here to Download Question Paper- Nov/Dec 2017
Click Here to Download Anna University Syllabus
Anna University Syllabus Regulation 21 (Sem-2)CIRCUIT ANALYSIS
Anna University Syllabus Regulation 21 (Sem-2)BASIC ELECTRICAL AND INSTRUMENTATION ENGINEERING
Anna University Syllabus Regulation 21 (ECE Sem-2) Physics
Anna University Syllabus Regulation 21 (Sem-2) Mathematics-2
Anna University Syllabus Regulation 21 (Sem-2) English
Are you a fresher and looking for Job? To know more about the Job Openings: Click Here
Comments
Post a Comment