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Questions and Answers
Explain what RADAR stands for and its purpose?
Explain what RADAR stands for and its purpose?
RADAR stands for Radio Detection and Ranging. Its purpose is to gather information about distant objects or targets by sending electromagnetic waves at them and analyzing the echoes.
What is the difference between bistatic, monostatic, and quasi-monostatic radar systems?
What is the difference between bistatic, monostatic, and quasi-monostatic radar systems?
Bistatic radar has transmit and receive antennas at different locations, monostatic radar has collocated transmitter and receiver, and quasi-monostatic radar has slightly separated transmit and receive antennas but still appear to be at the same location as viewed from the target.
What is the fundamental quantity measured by most radars, and how is it obtained?
What is the fundamental quantity measured by most radars, and how is it obtained?
The fundamental quantity measured by most radars is target range. It is obtained by recording the round trip travel time of a pulse and computing the range.
What is the radar range equation used for?
What is the radar range equation used for?
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What is the time delay ranging in RADAR system?
What is the time delay ranging in RADAR system?
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Study Notes
RADAR Basics
- RADAR stands for Radio Detection and Ranging, a system used for detecting and tracking objects using radio waves.
Radar Systems
- Bistatic radar systems use separate antennas for transmission and reception, offering advantages in stealth and Electronic Counter-Countermeasures (ECCM) capabilities.
- Monostatic radar systems use a single antenna for both transmission and reception, which is simpler and less expensive but more vulnerable to ECCM.
- Quasi-monostatic radar systems combine elements of bistatic and monostatic systems, using a single antenna for transmission and a separate receive antenna, offering a balance between performance and cost.
Radar Measurement
- The fundamental quantity measured by most radars is the time delay between the transmitted and received signals, which is directly proportional to the radar range.
Radar Range Equation
- The radar range equation is used to calculate the maximum detection range of a radar system, taking into account factors such as radar frequency, antenna gain, transmitter power, and target radar cross-section.
Time Delay Ranging
- Time delay ranging in a RADAR system is the process of measuring the time difference between the transmitted and received signals, allowing the system to determine the range of the target.
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Description
Test your knowledge of radar systems with this quiz! From understanding the basics of RADAR to different types like Bistatic RADAR, challenge yourself with questions on this important technology used for detecting and tracking distant objects.
