cosecant-squared antenna

cosecant-squared antenna: антенна с квадратично-косекансной диаграммой направленности

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3D radar — provides for radar coverage on three dimensions unlike the more common 2D radar. While the normal 2D radar provides range and azimuth, the 3D radar provides elevation information with range and azimuth. Applications include weather forecasting,… … Wikipedia
JY-8 Radar — Infobox Radar name = JY 8 caption = JY 8 country = People s Republic of China introdate = unknown number = unknown type = unknown frequency = C band PRF = 36,500 Hz pulsewidth= 3 3.3 μs RPM = 3/6 rpm range = 350 km (max) altitude = 25 km diameter … Wikipedia
H2S radar — The H2S radar was used in bombers of RAF Bomber Command. It was designed to identify targets on the ground for night and all weather bombing. The transmitter/receiver equipment was officially known as TR3159 (H2S Mk I/ASV VIB) or TR3191 (H2S Mk… … Wikipedia

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