Microwaves are electromagnetic waves with wavelengths ranging from as long as one meter to as short as one millimetre, or equivalently, with frequencies between 300 MHz (0.3 GHz) and 300 GHz. Read more..
by Kenneth Lyngaas on August 14, 2016
Remote sensing is the art or science of telling something about an object without touching it (reconnaissance at a distance) It includes various methods of obtaining pictures or other forms of electromagnetic records of the Earth’s surface from a distance, and the treatment and processing of the picture data. Read more..
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