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RADAR: RAdio Direction And Ranging.

A Presentation created by: Quincy Blue Shauncey Brooks & Robert Schaefbauer. Hum 432

Quincy Blue

on 20 April 2010

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Transcript of RADAR: RAdio Direction And Ranging.

The History of Radar The Purpose of Radar (Specific Functions) The Cultural Effect of Radar Heinrich Rudolf Hertz (1857-1894):
Proved that electricity can be transmitted by
electromagnetic waves
With further experiments involving mirrors,
prisms, and metal gratings, he showed that
his electromagnetic waves to have
analogous properties as light
Simplified and formalized Maxwell’s
equations into a more compact and
symmetric form

The first “practical” application of radio waves for RADAR was invented
by Christian Huelsmeyer in 1904 for ship detection (Range = 3km)
Typically, SARs produce a two-dimensional (2-D) image. One dimension in the image is called range (or cross track) and is a measure of the "line-of-sight" distance from the radar to the target. The other dimension is called azimuth (or along track) and is perpendicular to range.
In,1999, an Azerbaijuni government commission said the radar presented a risk to human health and the local ecology.
-Scottish radio Expert Robert Watson Watt Revolutionized and Adjusted the system

Technology Helped Various Air Forces to combat against attacks by the opposition.

Percy Spencer of Raytheon Manufacturing Created the first Microwave Oven in 1945 from Radar components.

Other technologies created by radar include: Radar Guns to detect a motorist speed, Doppler Technology for weather conditions, etc.

Basic principle of Radar is : Searchlight Pulses which travel to reflect a target back to
It’s original signal. This gives us the time and distance an object is traveling from the
Original sender.
Full transcript