A J Gasiewski remote sensing course notes lecture1

55 Pages·04.539 MB·English

by  A J Gasiewski

EECCEENN 55225544
Remote Sensing Signals and Systems
Professor Albin J. Gasiewski
Lecture #1 – January 17, 2012
EECCOOTT 224466
303-492-9688 (O)
[email protected]
Classes: ECCS 1B14 TR 9:30-10:45 AM
1
ECEN 5254 Remote Sensing Signals & Systems Spring 2012 University of Colorado at Boulder
RReemmoottee SSeennssiinngg :: TThhee oobbsseerrvvaattiioonn ooff
events or processes by indirect
pphhyyssiiccaall iinntteerraaccttiioonn uussiinngg ffiieellddss
2
Remote versus In-situ Sensing
Remote Sensing: In-SituSensing:
TThhe obbservattiion off eventts TThhe obbsservattiion off eventtss
or processes by indirect or processes by direct
physical interaction using physical interaction using
ffiieellddss mmaatttteerr
Examples: Examples:
Vision (optical waves, passive) Contactuall sensors
Hearing (acoustic waves, passive) Haptic (mechanical touch)
Thermal Imaging (IR waves, passive) Olfactory (chemical taste
RRaddar ((miicrowavess, acttiive)) && ssmmeellll))
EQS fields for near-in probing Thermometry (thermal)
(e.g., AFM, also certain fish) Mass Spectrometry (inertial)
SSTTMM ((ccuurrrreenntt--mmeeddiiaatteedd))
3
Remote Sensing Facilitates:
Environmental Observation
Weather forecasting, management of ecosystems,
ttransporttattiion, agriiculltture, energy, watter,
disaster mitigation/management, resource mapping
SSuurrvveeiillllaannccee
Air traffic control, homeland security, defense,
vehicle guidance, intelligence, commerce
Health & Medicine
CAT, MRI, ultrasound, inverse RF scattering
Science, Physics, & Discovery
Climatology, planetary science, heliology,
cosmology, nanotechnology
& much, much more.
4
Tyyppes of Remote Sensingg Syystems:
Passive
Radiometers (RF to γ-wavelength)
Field probes (magnetic, electric)
Active
Radar
Lidar
Sonar
(monostatic, bistatic,
or sources off opportunity))
5
Major Environmental Applications of
Passive Microwave Remote Sensing
6
AAMMSSRR-EE SSooiill MMooiissttuurree
7
TMI+AMSR-E
Sea Surface Temperature
Hurricane Katrina Cold Wake
8
NRL WindSat
Ocean Surface Wind Vector
TS Zeta (2006)
9
10