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Radar is a system that uses electromagnetic waves to identify the range, altitude, direction, or speed of both moving and fixed objects such as aircraft, ships, motor vehicles, weather formations, and terrain. The term RADAR was coined in 1941 as an acronym for radio detection and ranging. The term has since entered the English language as a standard word, radar, losing the capitalization. Radar was originally called RDF (Radio Direction Finder) in the United Kingdom.
A radar system has a transmitter that emits either microwaves or radio waves that are reflected by the target and detected by a receiver, typically in the same location as the transmitter. Although the signal returned is usually very weak, the signal can be amplified. This enables radar to detect objects at ranges where other emissions, such as sound or visible light, would be too weak to detect. Radar is used in many contexts, including meteorological detection of precipitation, measuring ocean surface waves, air traffic control, police detection of speeding traffic, and by the military. - Wikipedia
Basic Principles Of Radar | vectorsite.net/ttradar_1.html
Public-domain writing by Greg Goebel.
Basics of Radar Astronomy | lewiscenter.org/gavrt/Basics_Mars_intro.pdf
Draft by the Goldstone Apple Valley Radio Telescope project.
Building Your Own Amateur Radar | hamhud.net/darts/rdr_comp.htm
Components for personal amateur radar.
Design and Demonstration of an Advanced On-Board Processor
for the Second-Generation Precipitation Radar | andraka.com/files/PR2Aero4.pdf
By Mark A. Fischman, Andrew C. Berkun, Frank T. Cheng, William W. Chun, and Eastwood Im.
FPGAs Make a Radar Signal Processor on a Chip a Reality
Abstract by Ray Andraka and Andrew Berkun.
How Radar Works | science.howstuffworks.com/radar.htm
From howstuffworks, by Marshall Brain.
Incoherent Scatter Radar Tutorial | haystack.edu/atm/mho/instruments/isr/isTutorial.html
This is a simplified introduction to the incoherent scatter radar technique used at the Millstone Hill Observatory.
National Doppler Radar Sites | radar.weather.gov
From the National Weather Service.
Radar Altimetry Tutorial | earth.esa.int/brat
Overview, applications, data use cases.
Radar Basics | radartutorial.eu/index.en.html
This site contains a lecture on the principles of radar technology.
Radar Ornithology: Introduction | virtual.clemson.edu/groups/birdrad/COMMENT.htm
From the Clemson University Radar Ornithology Laboratory.
Radar Tutorial | skywarn.ampr.org/radar_tutorial_index.html
NEXRAD radar information, classes of storms, and case histories.
Radar Meteorology | atmos.uiuc.edu/(Gh)/guides/rs/rad/home.rxml
Online remote sensing guide including radar basics, imagery, velocity patterns, and applications.
Radar Meteorology Tutorial | w8lrk.org/article/RadarTutorial.pdf
From Brian McNoldy for MESO.
Related Pages on RF Cafe
- 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
- Radar Design Resources
- Who Invented Radar?
- Simple Modification Increases ATC Reliability