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Due to the lack of high-power sources along with strong electromagnetic absorption by water vapor at frequencies between ∼100 GHz and ∼10 THz, there are very few radar systems, or any other systems for that matter, operating in this region of the spectrum. For this reason, it is sometimes referred to as the terahertz gap. Source technology, however, is improving, thus facilitating radar systems operating...
Due to the paucity of high-power sources along with strong electromagnetic absorption by water vapor at frequencies between ∼100 GHz and ∼10 THz, there are very few radar systems operating in the terahertz range of the spectrum. Source technology, however, is improving, thus facilitating radar systems operating in this gap. The Near-Millimeter Wave (NMMW) range typically refers to frequencies from...
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