Graduate Thesis Or Dissertation
 

A sampling criterion enabling signal reconstruction with specified limit error

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  • A sampling criterion which provides a numerical relationship between sampling rate and worst-case peak error for linear interpolation of sample points is presented. The criterion, based upon the second derivative of a waveform, is derived, its properties are observed for a sine wave, and its applicability to complex signals is discussed. An approximate measure of the second derivative for an amplitude-time function is implemented using a linear analog circuit, and this device in conjunction with an analog computer is used to confirm the validity of the sampling criterion. Possible application to on-line variable-rate sampling control for data compression is discussed in the conclusion.
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  • File scanned at 300 ppi using ScandAll PRO 1.8.1 on a Fi-6770A in PDF format. CVista PdfCompressor 5.0 was used for pdf compression and textual OCR.
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file details WilkinsDennisJ1969.pdf 2017-08-23 Público Baixar