Latest Radar Stories
OKLAHOMA CITY, May 27, 2015 /PRNewswire/ -- Northrop Grumman Corporation (NYSE: NOC) has successfully demonstrated to the U.S.
MyWay Mobile Storage sponsors in-part Clear Your Clutter Day for the 3rd year in a row. Bel Air, MD (PRWEB) May 20, 2015 The 5th annual Clear Your Clutter
Student veterans receive $10,000 to help transition to civilian success TEWKSBURY, Mass., May 19, 2015 /PRNewswire/ -- Raytheon Company (NYSE: RTN), in partnership with Student Veterans of
SYDNEY, May 18, 2015 /PRNewswire/ -- Northrop Grumman Corporation (NYSE: NOC) announced a strategic partnership between Northrop Grumman Australia and the organization, 100 Mums as
AS0104-800/400 produces continuous wave power up to 800 W 1 to 2 GHz and up to 400 W 2 to 4 GHz EDISON, N.J., May 18, 2015 /PRNewswire/ -- MILMEGA, part of the AMETEK Compliance Test Solutions
Students from 23 counties and the city of Baltimore will each receive $10,000 LINTHICUM, Md., May 18, 2015 /PRNewswire/ -- Northrop Grumman Corporation (NYSE: NOC) has announced the 24 winners
Border control expertise enhances national security DULLES, Va., May 18, 2015 /PRNewswire/ -- A new National Coast Watch Center (NCWC) for maritime security opened recently in the
RUESSELSHEIM, Germany, May 18, 2015 /PRNewswire/ -- Raytheon Professional Services GmbH (RPS), a subsidiary of Raytheon Company (NYSE: RTN), has signed a long-term contract with Honda Motor
150 middle school students nationwide receive scholarships; schools receive matching grant for math education initiatives WALTHAM, Mass., May 15, 2015 /PRNewswire/ -- Raytheon Company
WALTHAM, Mass., May 15, 2015 /PRNewswire/ -- Raytheon Company (NYSE: RTN) Chairman and CEO Thomas A. Kennedy announced today the appointment of Kevin G.
A radar altimeter measures altitude above the terrain beneath an aircraft as opposed to a barometric altimeter which provides the distance above a pre-determined datum, usually sea level. Radar is the underpinning principle of the system. Radio waves that are reflected back from the ground are timed in order to calculate speed, distance, and time which are related to the each other and can be used to calculate the distance from one point to another. Lloyd Espenschied invented the radar...
Doppler Effect -- The Doppler effect is the apparent change in frequency or wavelength of a wave that is perceived by an observer moving relative to the source of the waves. For waves, such as sound waves, that propagate in a wave medium, the velocity of the observer and the source are reckoned relative to the medium in which the waves are transmitted. The total Doppler effect may therefore result from both motion of the source and motion of the observer. Each of these effects is analyzed...
- Stoppage; cessation (of labor).
- A standing still or idling (of mills, factories, etc.).