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There is a page named "Focal Cloud" on Wikipedia
A focal cloud is the collection of focal points of an imperfect lens or parabolic reflector whether optical, electrostatic or electromagnetic. This includes...3 KB (339 words) - 11:32, 16 January 2024
communications satellite. Feedhorns are also used in applications like radar, line-of-sight microwave transmission or radio astronomy. Focal cloud Horn antenna...4 KB (405 words) - 18:02, 7 February 2024- Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...1 KB (96 words) - 10:50, 1 July 2022
- Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...10 KB (1,204 words) - 20:45, 3 July 2024
Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...14 KB (1,592 words) - 09:38, 23 February 2024- Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...2 KB (278 words) - 00:14, 21 September 2018
Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...15 KB (1,915 words) - 13:07, 21 May 2024
Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...10 KB (1,093 words) - 12:46, 31 May 2024
Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...7 KB (741 words) - 09:55, 8 March 2024- Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...2 KB (295 words) - 12:14, 27 March 2024
- Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...2 KB (178 words) - 18:32, 23 January 2024
- International Conference on Cloud Computing Technologies and Applications (Cloudtech). Brussels, Belgium: IEEE. pp. 1–5. doi:10.1109/CloudTech.2018.8713331....21 KB (3,002 words) - 23:35, 20 September 2023
Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...14 KB (2,081 words) - 20:53, 3 July 2024- shape of a dish reflects the signal to the dish's focal point. Mounted on brackets at the dish's focal point is a device called a feedhorn. This feedhorn...19 KB (2,245 words) - 18:49, 20 June 2024
Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...15 KB (1,713 words) - 01:23, 16 May 2023
Mysore, covering the whole city and a few nearby villages. In 2005, St. Cloud, Florida and Sunnyvale, California, became the first cities in the United...123 KB (13,026 words) - 14:40, 7 July 2024
Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...2 KB (251 words) - 22:00, 12 May 2024
Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...32 KB (3,309 words) - 10:56, 12 June 2024
fraction of a second. Airy disk Astigmatism Bokeh Chromatic aberration Focal cloud Orb (optics) Point spread function Zeiss formula Ray 2000, p. 50. Ray...27 KB (3,620 words) - 22:35, 4 May 2024- Radiocommunication Conference Radiation sources / regions Boresight Focal cloud Ground plane Main lobe Near and far field Side lobe Vertical plane Characteristics...3 KB (359 words) - 00:24, 12 October 2023
- adjustable slit (called “camera slit”), instead of an eyepiece, in the focal plane of the observing telescope. This slit is set in such a position as
- (p. 173) The centres in physical matter are recognised as being simply focal points of energy located on the etheric body, and having a definite use
- cloud formation giving them the name "whole-sky lenses". The angle of view of a fisheye lens is usually between 100 and 180 degrees while the focal lengths