G - Physics – 01 – N
Patent
G - Physics
01
N
324/23
G01N 27/22 (2006.01) G01N 27/00 (2006.01) G01R 23/00 (2006.01) G01R 23/16 (2006.01)
Patent
CA 1200282
ABSTRACT OF THE DISCLOSURE A method and apparatus is proposed for sampling at a low rate a broad band sparse spectrum without aliasing to a specified band in which a lowest sampling frequency is found by selecting that signal level from the spectrum which is considered negligible and finding the bandwidths at which the information bands about the carrier frequency multiple reaches this level, then arranging forbidden or unaccepted values of the remainder of the quotient of the carrier frequency divided by the sampling frequency into a series in order of magnitude, further selecting those sampling frequencies at which adjacant forbidden ranges of the remainder become contiguous, selecting the least value thereof in order to ascertain the corresponding permissible value of the remainder r, and finally determining the corresponding least sampling frequency and the maximum integer value multiple of a clock count, thus establishing the maximum sampling interval.
442463
Lesperance Pierre
Simmmonds Precision Products Ltd.
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