frequency allocation
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Frequency allocation — The electromagnetic spectrum is an aspect of the physical world which, like land, water, and air, is subject to usage limitations. Use of radio frequency bands of the electromagnetic spectrum is regulated by governments in most countries, in a… … Wikipedia
Allocation — may refer to:* Computers ** Delayed allocation ** Block allocation map ** FAT ** IP address allocation ** Memory allocation ** No write allocation ** Register allocation * Economics ** Economic system ** Asset allocation ** Allocation of… … Wikipedia
Frequency management challenges in military forces — Every military force has a goal to ensure and have permanent access in the spectrum of radio frequencies to meet its vital military tasks. This is based on strategies, doctrines and different policies that military forces adhere to.The nature of… … Wikipedia
Frequency — For other uses, see Frequency (disambiguation). Three cyclically flashing lights, from lowest frequency (top) to highest frequency (bottom). f is the frequency in hertz (Hz), meaning the number of cycles per second. T is the period in seconds (s) … Wikipedia
allocation of a frequency band — dažnių juostos paskirstymas statusas T sritis automatika atitikmenys: angl. allocation of a frequency band vok. Frequenzbandverteilung, f rus. распределение полосы частот, n pranc. allocation des fréquences, f … Automatikos terminų žodynas
allocation des fréquences — dažnių juostos paskirstymas statusas T sritis automatika atitikmenys: angl. allocation of a frequency band vok. Frequenzbandverteilung, f rus. распределение полосы частот, n pranc. allocation des fréquences, f … Automatikos terminų žodynas
Amateur radio frequency allocations — Amateur radio frequency allocation is done by national telecommunications authorities. Globally, the ITU oversees how much radio spectrum is set aside for amateur radio transmissions. Radio amateurs use a variety of transmission modes, including… … Wikipedia
Medium frequency — Frequency range 0.3 to 3 MHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 … Wikipedia
Ultra high frequency — (UHF) designates a range (band) of electromagnetic waves with frequencies between 300 MHz and 3 GHz (3,000 MHz). Also known as the decimeter band or decimeter wave as the wavelengths range from ten to one decimeters. Radio waves with frequencies… … Wikipedia
Very high frequency — (VHF) is the radio frequency range from 30 MHz to 300 MHz. Frequencies immediately below VHF are denoted High frequency (HF), and the next higher frequencies are known as Ultra high frequency (UHF). The frequency allocation is done by ITU. Common … 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
