Antenna

1. Radar Antennas.
.Role of Radar Antenna.
Antenna Parameters.
.Antenna Reflector.
Corner Reflector.
Parabolic Reflector.
Orange Peel.
Cheese Reflector
Cosecant Square Reflector.
Wire Mesh Reflector
Radiation from dipole and methods of feeding the aerial
Folded Dipole
Yagi Aerial and side lobe suppression.
Array Antenna: Linear array, Planer Array
Phased Array Antennas
Electronically steered phase array antenna.
Phase Shifters: Introduction and diode phase shifter.
Digitally switched phase shifters
Hybrid coupled phase shifter.
Loaded line phase shifters
Feed network
Series feed,parallel feed and comparison.
Frequency scan array.
Mechanically steered planner array.
Radiator s for phased array.
2. Antenna Drive System.
PPI & Magslip.
Selsyn, Generators and Motors
Servo Mechanism: introduction and components of servo
B/D of Servo system
Servo Mechanism using ward-Leonard control system
Servo Mechanism using Amplidyne
3. Radome and Rotodome.