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Definition of "Backward Channel" |
In a data transmission circuit a backward channel is the channel that passes data in a direction opposite to that of its associated forward channel. The backward channel is usually used for transmission of request, supervisory, acknowledgement, or error-control signals. / Equalization is the process of adjusting the balance between frequency components within an electronic signal. The most well known use of equalization is in sound recording and reproduction but there are many other applications in electronics and telecommunication. The circuit or equipment used to achieve equalization is called an equalizer. These devices strengthen or weaken cut the energy of specific frequency bands. |
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