ünalgı tezliği

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Турецкий язык - Английский Язык
radio frequency
A frequency in this range
That part of the electromagnetic spectrum, between about 3 kHz and 300 MHz, within which radio waves are transmitted
Radio frequency refers to a signal generated by a radio transmitter and sent out through an antenna The frequency of the transmission is described in terms of the number of cycles per second or Hertz (Hz) A radio would be tuned to this frequency in order to receive the transmission A radio signal is sometimes referred to by its initials, "RF"
A generic term for radio-based technology
Frequency in the portion of the electromagnetic spectrum between audible frequencies and infrared frequencies Present practical limits are roughly 10 kilohertz to 100,000 megahertz
RF (as oposed to IF) refers to the incoming frequency or band of frequencies being studied In an heterodyne receiver the RF is mixed down to an IF band In bolometers the RF band is measured directly
A frequency at which coherent electromagnetic radiation of energy is useful for communications Radio frequencies are designated as very low: <30 kHz, low: 30 to 300 kHz, medium: 300 to 3,000 kHz, high: 3 to 30 MHz, very high: 30 to 300 MHz, ultrahigh: 300 to 3,000 MHz, superhigh: 3 to 30 GHz, and extremely high: 30 to 300 GHz
  Waves transmitted in the range within which radio waves may be transmitted
Any frequency that corresponds to radio signals, including those used by cellular telephones and wireless networks
The area (or band) of the electromagnetic spectrum where most radio communication takes place, typically from 100 KHz to 100 GHz
A frequency band in the electromagnetic spectrum with frequencies in the millons of cycles per second [Chapter 3]
Electromagnetic carrier waves upon which audio, video, or data signals can be superimposed for transmission
The frequencies in the electromagnetic spectrum that are used for radio communications
On-line communication of data using radio-equipped computers
RF for short That part of the spectrum from approx 50kHz to gigahertz
GHz, MHz, Hz The international unit for measuring frequency is Hertz (Hz), which is equivalent to the older unit of cycles per second One Mega-Hertz (MHz) is one million Hertz One Giga-Hertz (GHz) is one billion Hertz For reference: the standard US electrical power frequency is 60 Hz, the AM broadcast radio frequency band is 0 55 -1 6 MHz, the FM broadcast radio frequency band is 88-108 MHz, and microwave ovens typically operate at 2 45 GHz
(RF) The frequencies in the electromagnetic spectrum that are used for radio communications
The group of electromagnetic wavelengths between 500 KHz and 300 GHz   These wavelengths are used to transmit data or voice signals through the air, to avoid dependence on terrestrial wire transmissions
That portion of the electromagnetic spectrum extending from 500,000 cycles per second (500 kHz) to 500 million cycles per second (500 MHz)
  Any frequency within the electromagnetic spectrum normally associated with radio wave propagation (188)  For designation of subdivisions, see electromagnetic spectrum and associated diagram
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