Outcomes
        In this lesson you will 
        - describe the functional components of radar systems 
 
          - explain the relationship of echo to operation of a radar system 
 
          - describe Doppler shift and its  importance to radar 
 
          - describe how radar is used in transportation
 
        
Prerequisites
        To be successful in this lesson, it would be helpful to know the following: 
        
        - radio waves 
 
          - radio frequency (RF, MF, HF, VHF, UHF) 
 
          - RF amplifier 
 
          - transmitter 
 
          - receiver 
 
          - antenna