Radar is defined as 'a device for transmitting electromagnetic (EM) signals and receiving echoes from objects of interest (targets) within its volume of coverage'. Radar was originally an acronym for radio detection and ranging.

Chapter Contents:

• 1.1 Definition of Radar
• 1.2 Brief History
• 1.3 Electromagnetic Waves
• 1.4 Pulses
• 1.5 Decibels
• 1.6 Antennas
• 1.7 Radar Cross-Section (RCS)
• 1.8 Reception of Scattered Energy
• 1.9 Noise
• 1.10 Signal-to-Noise Ratio
• 1.11 The Radar Equation
• 1.12 Maximum Unambiguous Range
• 1.13 Coherent Radar
• 1.14 The Doppler Effect
• 1.15 Doppler Frequency as Measured by Radar
• 1.16 Maximum Unambiguous Doppler Velocity
• 1.17 High, Medium, and Low PRF
• 1.18 Range Gates
• 1.19 Radar Miscellany
• 1.19.1 Radar Displays
• 1.19.2 U.S. Department of Defense Radar Nomenclature
• 1.19.3 Radar Types
• 1.19.4 Radar Safety
• References
• Problems

Inspec keywords: radar; electromagnetic waves; echo

Other keywords: objects of interest; radar; radio detection; electromagnetic signals; ranging; echoes

Subjects: Electromagnetic wave propagation; Radar equipment, systems and applications