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Radar Fundamentals
RF Cafe Quiz #7

RF Engineering Quizzes - RF CafeAll RF Cafe Quizzes make great fodder for employment interviews for technicians or engineers - particularly those who are fresh out of school or are relatively new to the work world. Come to think of it, they would make equally excellent study material for the same persons who are going to be interviewed for a job. Bonne chance, Viel Glück, がんばろう, buena suerte, удачи, in bocca al lupo, 행운을 빕니다, ádh mór, בהצלחה, lykke til, 祝你好運. Well, you know what I mean: Good luck!

Click here for the complete list of RF Cafe Quizzes.

Note: Some material based on books have quoted passages.

 

AN/MPN-14 GCA Radar Model (Elbert Cook) - RF Cafe1. What is a "radar mile?"

a) 1 nautical mile

b) 1 statute mile

c) 12.36 µs

 

 

2. Which best describes a bistatic radar?

a) Fixed transmitter and fixed receiver at different locations

b) Uses static electricity for both transmitted and received signals

c) Only detects fixed (non-moving) targets

 

 

3. What is a radar cross-section (RCS)?

a) An engineering isometric drawing showing a slice through the equipment rack(s)?

b) A target's reflection coefficient relative to a perfectly reflecting spherical surface of 1 m2 cross-section

c) The plane through which a radar signal passes through a target

 

 

4. What are common units of radar cross-section (RCS)?

a) dBsm

b) dBrcs

c) dBm

 

 

5. Who is known as "The Father of Radar?"

a) Robert Watson-Watt

b) Walter Eugene O'Reilly

c) Albert Einstein

 

 

6. Which flying (movement) condition will always result in a Doppler speed of 0 m/s?

a) Perfectly constant speed into/out of the antenna boresight

b) Perfect concentric circle around antenna at constant altitude

c) Speeds at integer multiples of antenna rotation rate

 

 

7. What does "MTI" stand for?

a) Multiple Target Indication

b) Mean Time Interval

c) Moving Target Indication

 

 

8. Synthetic Aperture Radar (SAR) radar is mostly likely to be located on which platform?

a) Police car

b) Ship

c) Airplane

 

 

9. Which feature of a "stealth" aircraft is most responsible for its low observability?

a) Radar absorbent paint

b) Multi-faceted surfaces

c) Minimal use of metals in airframe

 

 

10. What kind of radar did the webmaster of RF Cafe work on while in the U.S.A.F?

a) AN/MPN-14

b) RDR-12

c) NEXRAD

 

 

Need some help? Click here for the answers and explanations.  

 

 

Related Pages on RF Cafe

- Introduction to Radar (Air University)

- Radar Equation, 2-Way (another)

- Radar Equation, 1-Way

- Radar Equation, Bistatic

- Radar Techniques - Primer (1945 QST)

- Radar Postage Stamps

- RF Cafe Quiz #7 - Radar Principles

- AN/MPN-14 USAF Radar Shop

- AN/TPN-19 USAF Radar Shop

- EW/Radar Handbook - Doppler Shift

- Doppler Shift Calculator

- Identification Friend or Foe (IFF)

- Radar Horizon / Line of Sight

- Radar Systems Vendors

- NEETS Radar Principles

- Radar System Vendors

- Who Invented Radar?

- Simple Modification Increases ATC Reliability

 

 

Posted October 11, 2019

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