S-Band and X-Band Radar

The S-band portion of the microwave band of the electromagnetic spectrum cheats from 2.0 to 4.0 GHz., crossing the edge between UHF and SHF at 3.0 GHz. The S-band wavelength is about 10 cm. The marine industry sh bes S-band radar with other entities permitted by the federal Communications Commission (FCC) in this country and by the planetary Tele talk Union (ITU) worldwide; and this permission is granted to much(prenominal) entities as weather services, police and fire departments. Communications are operated by such as Digital Audio receiving check artificial satellite (DARS) are also users of a portion of the S-band (and broadcasts in the S-band around 2.3 GHz), and is currently used by Sirius Satellite radio set and XM Satellite Radio. More recently, the FCC has approved for portions of the S-band between 2.0 and 2.2 GHz the nucleotide of Mobile Satellite Services (MSS) networks in connection with supplement Terrestrial Comp unitynts (ACN). The maritime industry uses a pulse-type system for train best infection of a designate since a watertight transmission such as that used by communication baby not necessary. This allows more efficient use of the fountain need for a signal to go out and repossess to the unit. The advantages of S-band for the maritime industry include the ability to send a signal as far away as 48 marine miles and receive it with dependable return. This wavelength is also optimum at these ranges when fetching in consideration weather and solar disturbances. At ranges shorter than a few miles however, S-band radars usefulness is hindered by its own characteristics undeniable of it for the greater distances. A disadvantage of S-band, albeit a small one is the size of the slotted waveguide array antenna that is associated with that system which goat measure 3.6 meters across its face. X-band is a radio frequency range designation that... If you destiny to get a full essa y, score it on our website: OrderEssay.net

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