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taajuusalue

1

Терминологические словари

EKI terminibaas Esterm

ID 714115 Последнее изменение 30.12.2004
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Домен radio communications
sagedusriba предпочтительный термин
  • a continuous set of frequencies lying between two specified limiting frequencies. A frequency band is characterized by two values which define its position in the frequency spectrum, for instance its lower and upper limiting frequencies.
sagedusriba предпочтительный термин
Примеры
  • GSM 1800 Telefonid töötavad 1800 MHz sagedusala sagedusribas 1710 – 1880 MHz. Telefoni vastuvõtjate (RX) sagedusriba 1805 – 1880 MHz (Downlink) ja saatjate (TX) sagedusriba 1710 - 1785 MHz (Uplink). RF-kanalite vahe 200 KHz ning dupleksvahe 95 MHz. Raadiokanalite koguarv 1800 MHz sagedusalas on 375, loogilisi TDMA-kanaleid 3000. Igale operaatorile jääb seega kasutamiseks ca 1000 loogilist kanalit ehk rohkem kui GSM 900 puhul kolme peale kokku.
frequency band
Примеры
  • ... the Portuguese argumentation start from a static perspective. In fact, with the liberalization of the mobile market achieved through Directive 96/2/EC, new operators should soon be authorized by the Portuguese authorities to operate in the DCS 1800 frequency bands.
Frequenzband
taajuusalue

EKI terminibaas Esterm

ID 714725 Последнее изменение 30.12.2004
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Домен radio communications
  • the division of electromagnetic radiation frequencies according to characteristics and use
  • the range of frequencies of electromagnetic oscillations or waves which can be used for the transmission of information. (IEC 60050-704)
frequency spectrum
Примеры
  • The European Conference of Postal and Telecommunications Administrations (CEPT) has recommended the common European frequency band 1880-1900 MHz for DECT, recognizing that, subject to the system, development of DECT additional frequency spectrum may be required.
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