Contents

• 1. Radar

  ---

  Objectives, Introduction to Radar, Basic Principle of radar, Radar Block Diagram, RADAR Frequencies, Application of Radar, Maximum Unambiguous Range (Runb), Radar Range Equation, Limitation of Radar Range Equation, Detection of Radar Signal in Presence of Noise, Radar Cross Section of Target, Solved Examples.

   

  2. Radar Types

  ---

  Objectives, Radar Classification, Doppler Effect, Continuous Wave (CW) Radar, FM-CW Radar, Moving Target Indicator (MTI) Radar, Delay Line Canceller, Blind Speed, Pulse Doppler Radar, Doppler Space, Difference between MTI and Pulse Doppler Radar, Types of Pulse Doppler Radar, High prf Pulse Doppler Radar, Medium prf Pulse Doppler Radar, Solved Examples.

   

  3. Tracking System

  ---

  Objectives, Tracking Radar, Angle Tracking Radar, Sequential Lobing, Conical Scan, Monopulse Radar.

   

  4. Radar Receiver

  ---

  Objectives, Radar Receiver, Noise Figure, Radar Display, Integration of Radar Pulses.

   

  Unit–I Important Questions

   

  5. Navigation AIDS

  ---

  Objectives, Introduction, Methods of Navigation, Navigation by Pilotage, Astronomical or Celestial Navigation, Navigation by Dead-Reckoning, Radio Navigation.

   

  6. Direction Finding

  ---

  Objectives, Introduction, Direction Finders, The Loop Antenna, Loop Input Circuits, “Aural–Null” Direction Finder, Goniometer, Errors in Direction Finding, Polarization Errors, Errors due to Abnormal Propagation, Site Errors, Instrumental Errors, Other Direction Finders, Adcock Direction Finders, Automatic Direction Finders, Commutated Aerial Direction Finder (CADF).

   

  7. Radio Ranges

  ---

  Objectives, Low Frequency Four Course Radio Range, VHF Omnidirectional Range (VOR), Principle of Operation, Transmitter Section, Receiver Section.

   

  8. LORAN, DME and TACAN

  ---

  Objectives, LORAN (Long Range Navigational Aid), Sequence of Transmissions & Receptions, LORAN-A Equipment, Loran-C Equipment, DME, Operation of DME, DME Interrogator, Operation of Tracking Circuit, DME Beacon, TACAN, TACAN Beacon, TACAN Airborne Equipment.

   

  9. Aircraft Approach & Landing System

  ---

  Objectives, Instrument Landing System (ILS), The Localizer, Glide Slope System, Marker Beacons, Site Effects in the ILS, Microwave Landing System (MLS), Principle of MLS System, System Composition, Ground Controlled Approach System (GCA), Surveillance Radar Approach (SRA or ASR), Precision Approach Radar (PAR).

   

  Unit–II Important Questions

   

  10. Television Scanning System

  ---

  Objectives, Scanning Technique, Blanking, Flicker Problem, Interlace Scanning, Progressive Scanning, Interlace Error, Practical Scanning System, Resolution, Factors Affecting Bandwidth.

   

  11. CVS-Composite Video Singal

  ---

  Objectives, Dimensions of Video Signal, Horizontal Synchronization Pulse Details, Vertical Synchronization Pulse Details.

   

  12. TV Camera Tubes

  ---

  Objectives, Basic Principle, Storage and Non-Storage Type Camera Tubes, Working of Photoemissive Camera Tube, Working of Photoconductive Camera Tube, Electron Multiplier Structure, Types of Camera Tubes, Image Orthicon, Vidicon, Plumbicon, CCD Image Sensors.

   

  13. TV Signal Transmission

  ---

  Objectives, AM (Amplitude Modulation), SSB (Single Side Band) Transmission:, VSB (Vestigial Side Band) Transmission, Colour Signal Transmission, Sound Signal Transmission, Reception of VSB Signals, Television Broadcast Channels.

   

  Unit–III Important Questions

   

  14. Colour Television System

  ---

  Objectives, Fundamental of Colours, Colour Perception, Helmholtz Theory, Mixing of Colours, Complementary Colours, Grassman’s Law, Colour Temperature, Chrominance and Chromaticity Diagram, Chrominance or Chroma, Chromaticity Diagram, Advantage of Chromaticity Diagram.

   

  15. Generation of Colour TV Signal

  ---

  Objectives, Colour TV Camera, Chrominance Signal, Colour Circle, Important Results from Colour Circle, Compatibility of Colour and Monochrome TV System.

   

  16. Transmission of Colour TV Signals

  ---

  Objectives, Frequency Interleaving, Chrominance Signal (C) for Different Colours, Composite Video Signal and Weighting factors.

   

  17. Colour TV Systems

  ---

  Objectives, NTSC, Transmission of NTSC Signals, NTSC Transmitter, NTSC Receiver, PAL, Cancellation of Phase Errors in PAL System, PAL Transmitter, PAL Receiver, Colour Killer Circuit, SECAM, SECAM Transmitter, SECAM Receiver, Merits of SECAM System, Demerit of SECAM System, Comparison of NTSC, PAL and SECAM Systems.

   

  18. Picture Tubes & Display Devices

  ---

  Objectives, Monochrome Picture Tube, Working of Picture Tube, Transfer Characteristics of Picture Tube, Geometrical Distortions in Raster, Colour Picture Tubes, Delta-Gun Colour Picture Tube, Precision-In-Line (PIL) Picture Tube, Trintron Colour Picture Tube, Display Technologies, LCD Technology, Plasma Display.

   

  19. TV Signal Propagation and Interference

  ---

  Objectives, Television Signal Transmission, Interference Suffered by Carrier Signal.

   

  Unit–IV Important Questions

   

  20. TV-Receiver

  ---

  Objectives, Functional Diagram of TV Receiver, RF Tuner, IF Amplifier, Video IF Section, Video Detector, Video Amplifier, Automatic Gain Control (AGC), SYNCH Separation, Automatic Frequency Control (AFC), Deflection Oscillator, Vertical Deflection Circuit, Horizontal Deflection Circuit, Sound System, Common Fault and Their Diagnosis.

   

  21. TV-Antennas

  ---

  Objectives, TV Transmission Antena, Turnstile Array, Dipole Panel Antenna System, Television Reception Antenna, Yagi-Uda Antenna, Fringe Area Antenna, Conical Dipole Antenna, Parabolic Reflector Antenna, Colour Television Antenna, Log Periodic Antenna.

   

  22. New Technologies

  ---

  Objectives, Analog, Digital TV, DTV Vs HDTV, HDTV, ATSC Formats, Working of HDTV, Interlaced Vs Progressive Signaling, 3D-TV, 3D Scene Representation, Capturing & Rendering, Rendering, Coding, Transmission, 3DTV Display Technologies, DBS (Direct Broadcast Satellite) TV, Working of a Satellite Dish, Working of Satellite TV Receiver.

   

  Unit–V Important Questions

   

  P. Papers