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Definition of "Waveform Analysis" |
Observation displays of voltage and current variations with respect to time or by harmonic analysis of complex signals. / One method of assessing frequency response and sometimes other characteristics is to feed a square wave to the input of the device under test and examine its output on a CRO. The square wave is made up of a fundamental frequency and all odd harmonies, theoretically to infinity. A deficiency within the frequency spectrum, from the fundamental upwards, will show a change in the shape of waveform. The test is subjective rather than precise but gives a good indication of the response. / Foreign Exchange Station is a telecommunication network service in which a telephone in a given exchange area is connected, via a private line, to a telephone exchange or central office in another foreign exchange, rather than the local exchange area where the device is located. |
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