What does sampling and sample rate mean in a computer network while converting analog signals to digital ones? Please provide a link to a comprehensive definition if possible.
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The sampling rate, sample rate, or sampling frequency defines the number of samples per second (or per other unit) taken from a continuous signal to make a discrete signal. For time-domain signals, it can be measured in hertz (Hz). The inverse of the sampling frequency is the sampling period or sampling interval, which is the time between samples.
The concept of sampling frequency can only be applied to samplers in which samples are taken periodically. Some samplers may sample at a non-periodic rate.
The common notation for sampling frequency is fs which stands for frequency (subscript) sampled.
It is rate at which any analog waveform samples are taken and then converted to digital.
See these links:
http://en.wikipedia.org/wiki/Sampling_rate
http://www2.egr.uh.edu/~glover/applets/Sampling/Sampling.html
http://svr-www.eng.cam.ac.uk/~ajr/SA95/node10.html
http://www.thefreedictionary.com/sampling+frequency
Thank you.