Method and means for evaluating phase encoded communication syst

Details Method and means for evaluating phase encoded communication syst Method and means for evaluating phase encoded communication syst

1976-07-15

1978-05-16

Morrison, Malcolm A.

Boots, shoes, and leggings

325325, 328 39, 364484, 364554, G04F 1004, H04B 116, G06M 1100

Patent

active

040902420

ABSTRACT:
In a system wherein transitions occur in a data signal encoded with a known format and transition displacements occur as a result of bandwidth limitations, noise, and the like, there is disclosed a method and means for measuring the probability density function associated with such transition displacements. Furthermore, the present system permits the measurement of conditional probability such that the probability density function associated with certain selected transitions can be separately evaluated. The probability density function associated with transition displacements is measured by measuring the average frequency of occurrence of transitions of the data within a narrow, first time interval, varying the first time interval over a larger, second time interval during which transitions of the data are expected to occur, and plotting the average frequency of occurrence of data transitions determined at each first interval.

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Smith et al.; Simulation of Continuous Random Phenomena; Instruments & Control Systems, vol. 41, Jun. 1968, pp. 119-123.

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