intermodulation channel

См. также в других словарях:

• Intermodulation — A frequency spectrum plot showing intermodulation between two injected signals at 270 and 275 MHz (the large spikes). Visible intermodulation products are seen as small spurs at 280 MHz and 265 MHz. Intermodulation or intermodulation distortion… …   Wikipedia

• Channel (communications) — Old telephone wires are a challenging communications channel for modern digital communications. In telecommunications and computer networking, a communication channel, or channel, refers either to a physical transmission medium such as a wire, or …   Wikipedia

• Adjacent channel power ratio — (ACPR) is ratio between the total power of adjacent channel (intermodulation signal) to the main channel s power (useful signal). ACPR The ratio between the total power adjacent channel (intermodulation signal) to the main channel s power (useful …   Wikipedia

• NTSC — This article is about the television system. For the Indonesian government agency, see National Transportation Safety Committee. Television encoding systems by nation; countries using the NTSC system are shown in green. NTSC, named for the… …   Wikipedia

• CTCSS — In telecommunications, Continuous Tone Coded Squelch System or CTCSS is a circuit that is used to reduce the annoyance of listening to other users on a shared two way radio communications channel. Where more than one user group is on the same… …   Wikipedia

• Continuous Tone-Coded Squelch System — In telecommunications, Continuous Tone Coded Squelch System or CTCSS is a circuit that is used to reduce the annoyance of listening to other users on a shared two way radio communications channel. It is sometimes called tone squelch. Where more… …   Wikipedia

• Distortion — This article is about technology, especially electrical engineering. For other uses, see Distortion (disambiguation). Distort redirects here. For other uses, see Distort (disambiguation). A distortion is the alteration of the original shape (or… …   Wikipedia

• Audio system measurements — are made for several purposes. Designers take measurements so that they can specify the performance of a piece of equipment. Maintenance engineers make them to ensure equipment is still working to specification, or to ensure that the cumulative… …   Wikipedia

• Four-wave mixing — is an intermodulation phenomenon in optical systems, whereby interactions between 3 wavelengths produce a 4th wavelength in the signal. It is similar to the third order intercept point in electrical systems. Four wave mixing can be compared to… …   Wikipedia

• Surround sound — Surround sound, using multichannel audio, encompasses a range of techniques for enriching (expanding and deepening) the sound reproduction quality, of an audio source, with additional audio channels reproduced via additional, discrete speakers.… …   Wikipedia

• Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · …   Wikipedia