Some articles on radar, radar waves, waves, wave:
... This experiment used radar to study the Moon's surface and interior ... Radar waves with wavelengths between 2 and 60 meters (frequencies of 5, 15, and 150 MHz) were transmitted through a series of antennas near the back of the Apollo Service Module ... After the waves were reflected by the Moon, they were received using the same antennas and the data was recorded on film for analysis on Earth ...
... The possibility of designing aircraft in such a manner as to reduce their radar cross-section was recognized in the late 1930s, when the first radar tracking ... British bomber of the 1960s, had a remarkably small appearance on radar despite its large size, and occasionally disappeared from radar screens entirely ... (NATO reporting name 'Bear') appeared especially well on radar ...
... The light waves reflected from both surfaces interfere, resulting in a pattern of bright and dark bands ... Continuous wave (CW) doppler radar detectors are basically heterodyne detection devices that compare transmitted and reflected beams ... The object waves from this hologram image will interfere with new waves coming from the object ...
Famous quotes containing the words waves and/or radar:
“Like as the waves make towards the pebbled shore,
So do our minutes hasten to their end;
Each changing place with that which goes before,
In sequent toil all forwards do contend.”
—William Shakespeare (15641616)
“So I begin to understand why my mothers radar is so sensitive to criticism. She still treads the well-worn ruts of her youth, when her impression of mother was of a woman hard to please, frequently negative, and rarely satisfied with anyoneleast of all herself.”
—Melinda M. Marshall (20th century)