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The concept of a Tsiolkovsky tower combined with a classic space elevator cable (reaching above the level of GEO) has been suggested. [6] Other ideas use very tall compressive towers to reduce the demands on launch vehicles. [97] The vehicle is "elevated" up the tower, which may extend as high as above the atmosphere, and is launched from the ...
A cable in this usage cable is a thick rope or by transference a chain cable. [1] The OED gives quotations from c. 1400 onwards. A cable's length (often "cable length" or just "cable") is simply the standard length in which cables came, which by 1555 had settled to around 100 fathoms (600 ft; 180 m) or 1 ⁄ 10 nautical mile (0.19 km; 0.12 mi). [1]
The β service level is a quantity-oriented performance measure describing the proportion of total demand within a reference period which is delivered without delay from stock on hand: β = 1 − E x p e c t e d b a c k o r d e r s p e r t i m e p e r i o d E x p e c t e d p e r i o d d e m a n d {\displaystyle \beta =1-{\frac {Expected ...
The phase velocity at which electrical signals travel along a transmission line or other cable depends on the construction of the line. Therefore, the wavelength corresponding to a given frequency varies in different types of lines, thus at a given frequency different conductors of the same physical length can have different electrical lengths.
Data rate versus line length chart, from RS-422 Annex A.1. Several key advantages offered by this standard include the differential receiver, a differential driver and data rates as high as 10 megabits per second at 12 meters (40 ft). Since the signal quality degrades with cable length, the maximum data rate decreases as cable length increases.
FICON (Fibre Connection) is the IBM proprietary name for the ANSI FC-SB-3 Single-Byte Command Code Sets-3 Mapping Protocol for Fibre Channel (FC) protocol.It is a FC layer 4 protocol used to map both IBM's antecedent (either ESCON or parallel Bus and Tag) channel-to-control-unit cabling infrastructure and protocol onto standard FC services and infrastructure.
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The Dartford Cable Tunnel allows high voltage electricity line to cross the River Thames. [citation needed] The Utility Tunnels in Qatar built on the Lusail, 15 km north of Doha, is approximately 14–15 km in length. [citation needed] The old Beacon Hill Tunnel in New Kowloon, Hong Kong, a disused railway tunnel which now carries a towngas ...