Auto covariance computer
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United States of America Patent
Stats
-
Oct 1, 1985
Grant Date -
N/A
app pub date -
Aug 16, 1983
filing date -
Aug 16, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A laser velocimeter covariance processor which calculates the auto covariance and cross covariance functions for a turbulent flow field based on Poisson sampled measurements in time from a laser velocimeter. The device will process a block of data that is up to 4096 data points in length and return a 512 point covariance function with 48-bit resolution along with a 512 point histogram of the interarrival times which is used to normalize the covariance function. The device is designed to interface and be controlled by a minicomputer from which the data is received and the results returned. A typical 4096 point computation takes approximately 1.5 seconds to receive the data, compute the covariance function, and return the results to the computer.
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Cited Art Landscape
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