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Antenna gain-to-noise-temperature ( G/T) is a figure of merit in the characterization of antenna performance, where G is the antenna gain in decibels at the receive frequency, and T is the equivalent noise temperature of the receiving system in kelvins. The receiving system noise temperature is the summation of the antenna noise temperature and ...
The TV Parental Guidelines are a television content rating system in the United States that was first proposed on December 19, 1996, by the United States Congress, the American television industry, and the Federal Communications Commission (FCC). The guidelines went into effect by January 1, 1997, on most major broadcast and cable networks in ...
Television content rating systems are systems for evaluating the content and reporting the suitability of television programmes for minors. Many countries have their own television rating system and countries' rating processes vary by local priorities. Programmes are rated by the organization that manages the system, the broadcaster, or the ...
Noise temperature (antenna) In radio frequency (RF) applications such as radio, radar and telecommunications, noise temperature of an antenna is a measure of the noise power density contributed by the antenna to the overall RF receiver system. It is defined as "the temperature of a resistor having an available thermal noise power per unit ...
The United States pay television content advisory system is a television content rating system developed cooperatively by the American pay television industry; it first went into effect on March 1, 1994, on cable-originated premium channels owned by the system's principal developers, Home Box Office, Inc. and Showtime Networks.
Effective radiated power ( ERP ), synonymous with equivalent radiated power, is an IEEE standardized definition of directional radio frequency (RF) power, such as that emitted by a radio transmitter. It is the total power in watts that would have to be radiated by a half-wave dipole antenna to give the same radiation intensity (signal strength ...
The television content rating system in France was changed on 18 November 2002 [5] [better source needed] with the requirement for a prior warning for films not recommended for children under 10 years of age (category II) in the form of a pictogram on the screen five minutes at the beginning of the programme and the permanent inscription of a pictogram for programmes where the minimum ...
Operating temperature. An operating temperature is the allowable temperature range of the local ambient environment at which an electrical or mechanical device operates. The device will operate effectively within a specified temperature range which varies based on the device function and application context, and ranges from the minimum ...
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