An antenna aperture is the area around an antenna where power is derived from the effects of an electromagnetic field...
Sometimes called anaerial, anantennais an electronic device used to transmit data. It accomplishes this by converting electricity into electromagnetic, either micro or radio, waves. Antennas are used in many devices such as wireless routers, televisions, Bluetooth enabled devices, car stereos, two ...
Usage:communication antennas, television antenna, radar antenna Working frequency band:short wave antenna, ultra-short wave antenna, microwave antenna Direction:omnidirectional antenna, directional antenna, smart antenna Omnidirectional Antenna The goal of an omnidirectional antenna is to radiate energy equally...
antenna shapesSummary This chapter includes the following topics: Historical Overview of Maxwell's Equations Review of Maxwell-Heaviside-Hertz Equations Solution of Maxwell's Equations Radiation and Reception Properties of Point Source Antennas Radiation and Reception Properties of Electrically Small Dipole-...
An antenna tuning unit, ATU or antenna tuner is an item consisting of inductors and capacitors that is used to tune an antenna so that it matches the feeder and reduces the SWR.
An antenna map is a way of visualizing some type of data about antennas, such as the location of either transmitting or receiving...
What Does Antenna Array Mean? An antenna array is group of antennas connected and arranged in a regular structure to form a single antenna that is able to produce radiation patterns not produced by individual antennas. Advertisements Antenna arrays are groups of isotropic radiators of ...
What is an Antenna Meter? What is a Spiral Antenna? What is Antenna Impedance? What is a Slot Antenna? Discussion Comments Byanon289398— On Sep 04, 2012 What is the device which can show the radiation pattern of an antenna? EasyTechJunkie, in your inbox ...
What’s an advantage of INMARSAT-C SES compared with INMARSAT-A SES? A. Lack the ability of voice communication. B. More suitable for small vessel. C. Telex message. D. Antenna is very large. 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
A. An antenna which is capable of line-of-sight communication with a satellite without requiring any pointing. B. Generally it is used on an Inmarsat-M MES. C. Generally it is used on an Inmarsat-F MES. D. This is a kind of directional antenna. ...