Sampling oscilloscopes are often used to measure jitter in gigahertz-rate optical signals. With bit rates that high, errors in an oscilloscope's time base can add jitter to a viewed signal. Engineers ...

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Oct. 8, 2008— -- Surveys based on a random sample of respondents are subject to sampling error – a calculation of how closely the results reflect the attitudes ...

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Understanding the differences between convenience, target, and self-selected samples. Representative samples and sampling are addressed multiple times in the cGMPs. For example, in Part 21 of the Code ...