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# Analysis of a waveform to determine certain parameters

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For the waveform shown in attached figure, estimate
(a) the damping factor,
(b) the forced or damped frequency of oscillation, and
(c) the natural or undamped frequency.

https://brainmass.com/engineering/electrical-engineering/404100

#### Solution Summary

Analysis of a given waveform and determination ot its damping factor, natural and undamped frequency from the shape of the waveform over time

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## Determining the Radius of a Model Earth From Scale Data

The analog to digital converter (ADC) used in a telephone system outputs 8 bit words. The digital words are transmitted as a serial stream to form a PCM voice signal. The analog voice signal voltage always lies between -1.0 V and + 1.0 V.

a. Assuming that ADC is linear, what is the step size between quantization levels?

b. The PCM signal is converted back to an analog waveform. What is the quantization signal to noise ratio (SNR)?

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