- lowest usable [lowest useful] frequency
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наименьшая применимая частота
Англо-русский словарь технических терминов. 2005.
lowest usable [lowest useful] frequency
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Maximum usable frequency — (MUF) describes, in radio transmission, using reflection from the regular ionized layers of the ionosphere, the upper frequency limit that can be used for transmission between two points at a specified time, independent of transmitter power. This … Wikipedia
Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… … Wikipedia
наименьшая применяемая частота — НПЧ Нижняя граница частотного диапазона, которая может быть использована для ионосферной связи в течение заданного периода времени. Ср. maximum usable . [Л.М. Невдяев. Телекоммуникационные технологии. Англо русский толковый словарь справочник.… … Справочник технического переводчика
T2FD Antenna — The T2FD (Tilted Terminated Folded Dipole) is a general purpose shortwave antenna developed in the late 1940s by the United States Navy [ An Experimental All Band Nondirectional Transmitting Antenna by Gil L. Countryman, W1RBK, (W3HH), QST, June… … Wikipedia
максимально применимая частота — Верхняя граница частотного диапазона, которая может быть использована для ионосферной связи в течение заданного периода времени. См. тж. lowest useful . [Л.М. Невдяев. Телекоммуникационные технологии. Англо русский толковый словарь справочник.… … Справочник технического переводчика
Energy — This article is about the scalar physical quantity. For other uses, see Energy (disambiguation). Energetic redirects here. For other uses, see Energetic (disambiguation) … Wikipedia
Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios … Wikipedia
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
wind instrument — /wind/ a musical instrument sounded by the breath or other air current, as the trumpet, trombone, clarinet, or flute. [1575 85] * * * ▪ music Introduction any musical instrument that uses air as the primary vibrating medium for the… … Universalium
Oscilloscope — This article is about current oscilloscopes, providing general information. For history of oscilloscopes, see Oscilloscope history. For detailed information about various types of oscilloscopes, see Oscilloscope types. Illustration showing the… … Wikipedia
Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… … Universalium
