3. Basic Principles
Different objects based on their structural, chemical and
physical properties reflect or emit different amount of en
ergy in different wave length ranges of the E.M.S
The sensors measure the amount of energy reflected fro
m that object
4. ESSENTIAL COMPONENT OF
REMOTE SENSING
v Signals from a source/light
v Sensors on a plate form
v Sensing (Signal reception, storage,
processing, information extraction and
decision making)
5.
6. TYPES OF REMOTE SENSING
1. Passive remote sensing
2. Active remote sensing
7.
8.
9.
10. 1. Natural Body (Sun, Earth)
2. Man Made (Redar lidar system)