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  • '''Transmission loss''' (TL) in general describes the accumulated decrease in [[Intensity ( ...name=":0">{{Cite web |title=The FOA Reference For Fiber Optics - Measuring Power in dB and dBm |url=https://www.thefoa.org/tech/ref/testing/test/dB.html |ac ...
    4 KB (521 words) - 02:19, 24 October 2023
  • {{Short description|Electrical power applied to the antenna system in a transmitter station}} ...'' of a [[TV transmitter]] is the [[electric power]] applied to [[antenna (radio)|antenna]] system. ...
    5 KB (759 words) - 03:08, 9 December 2024
  • {{about|radio-frequency (RF) or microwave active circulators|other uses|Circulator (disam ...rculation. Other (external) circuitry connects to the circulator ports via transmission lines. An ideal three-port active circulator has the following [[scattering ...
    4 KB (458 words) - 04:01, 31 July 2024
  • [[File:quarter wave impedance transformer.svg|thumb|350px|Using a transmission line as an impedance transformer.]] ...e transformer''', often written as '''λ/4 impedance transformer''', is a [[transmission line]] or [[waveguide]] used in electrical engineering of length one-quarte ...
    10 KB (1,494 words) - 00:17, 11 October 2024
  • A '''phase shift module''' is a [[Microwave transmission|microwave network]] module which provides a controllable phase shift of the ...ssion line]]: A differential transmission line is a balanced two-conductor transmission line in which the phase difference between currents is 180 degrees. The dif ...
    6 KB (822 words) - 19:59, 8 December 2022
  • ...se, in a receiving antenna it describes the proportion of the radio wave's power intercepted by the antenna which is actually delivered as an electrical sig ...defined as "The ratio of the total power radiated by an antenna to the net power accepted by the antenna from the connected transmitter."<ref name="IEEEstd1 ...
    9 KB (1,395 words) - 02:49, 16 December 2024
  • {{Short description|Radio standard}} [[File:ICOM IC-F3162dt.jpg|thumb|150px|IDAS Radio IC-F3162DT]] ...
    14 KB (1,896 words) - 19:32, 5 February 2025
  • ...s in the desired direction. The beam direction is controlled by switching power to the desired beam port. More than one beam, or even all <math>n</math> o ...have the advantageous property that in transmit mode they deliver the full power of the transmitter to the beam, and in receive mode they collect signals fr ...
    12 KB (1,734 words) - 19:48, 18 May 2024
  • {{Short description|Multipath radio propagation model}} ...of sight propagation|line of sight (LOS)]]. Generally, the two [[Antenna (radio)|antenna]] each have different height. The received signal having two compo ...
    15 KB (2,422 words) - 17:38, 24 December 2024
  • ...site and connected to two receivers, which [[Heterodyne|downconvert]] the radio streams into baseband signals (BB H, BB V). if the function to minimize is for example the mean power the residual error, <math>J=E[|\epsilon_k|^2]</math>, the adapting [[Gradi ...
    7 KB (995 words) - 19:19, 14 November 2024
  • ...bandwidth also enables UWB systems to [[Spectral density|spread the signal power]] over a large [[spectrum]]<ref>{{Cite journal |date=1999 |title=Spectral d ...ications Commission|FCC]] regulations, in order to reduce interference and power consumption. The bands supported by the standard are the following ones: ...
    13 KB (1,975 words) - 03:27, 20 March 2024
  • ...stribution line carrier systems''', is a standard for low-speed reliable [[power line communication]]s by [[electricity meter]]s, [[water meter]]s and [[SCA ...environment of power lines, a well-adapted physical layer, a workable low-power media access layer, and a management interface. Related standards use the ...
    7 KB (1,079 words) - 21:46, 16 August 2021
  • ...y diode]] detector and [[VSWR meter]] rather than an expensive [[microwave power meter]]. ..., increase transmission line loss and potentially damage components in the transmission path, possibly even the transmitter. ...
    20 KB (3,095 words) - 15:25, 17 March 2023
  • {{Short description|Type of fading for radio and other electromagnetic waves.}} ...cations or times. TWDP models fading due to the interference of two strong radio signals and numerous smaller, diffuse signals. ...
    12 KB (1,757 words) - 09:56, 2 January 2024
  • {{Short description|Type of radio-frequency coupler}} ...'' (or '''magic T''' or '''hybrid tee''') is a [[hybrid coil|hybrid]] or [[Power dividers and directional couplers#Hybrids|3 dB coupler]] used in [[microwav ...
    6 KB (931 words) - 15:41, 31 July 2023
  • ...based on converting the continuous light energy from a [[pump laser]] to [[radio frequency]] (RF), [[microwave]] or [[mm-wave]] signals. The OEO is characte ...scillations. The second condition implies that, with adequate light input power, self-sustained oscillations may be obtained without the need for the RF/mi ...
    5 KB (737 words) - 21:40, 28 October 2024
  • | Type = [[Outline of radio science|Radio science]]/[[Transponder]] ...2"/> LaRa will monitor the [[Doppler effect|Doppler frequency shift]] of a radio signal traveling between the Martian lander and the [[Earth]]. These Dopple ...
    10 KB (1,356 words) - 11:31, 20 December 2023
  • ...Power devices to communicate using a wireless link. It is designed for low-power and lossy networks (LLNs) and aims at providing a reliable [[Media access c ...ares a schedule, allowing it to know in advance when to turn on or off its radio.<ref>{{Cite journal|year=2013|title=Performance Analysis of IEEE 802.15.4e ...
    9 KB (1,284 words) - 18:00, 20 October 2024
  • ...work|two-port]] device that transmits [[microwave]] or [[radio frequency]] power in one direction only. The non-reciprocity observed in these devices usuall ...tering [[Port (circuit theory)|port]] 1 to port 2, while absorbing all the power entering port 2, so that to within a phase-factor its S-matrix is ...
    10 KB (1,408 words) - 17:21, 20 February 2023
  • ...) of receiver channels or before [[Digital-to-analog converter]]s (DAC) by transmission. Such correction can be used not only for receiving channels but also in transmission channels of active DAA.<ref name="MIMO">Slyusar, V. I. Titov, I. V. Correct ...
    11 KB (1,573 words) - 17:31, 9 January 2024
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