Systems and methods for predicting supersonic acoustic...

Details Systems and methods for predicting supersonic acoustic... Systems and methods for predicting supersonic acoustic...

2007-03-12

2009-10-06

Wachsman, Hal D (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

C702S056000, C702S103000, C244S00100R, C701S010000

Reexamination Certificate

active

07599805

ABSTRACT:
A system for determining an acoustic signature of a device is disclosed that includes a computer processor operable to determine strength and location of shock wave sound signals based on propagation of sound waves generated by the device. The strength and location of the shock wave signals are modified due to dissipation and dispersion effects in a non-uniform atmosphere. The shock wave signals are separated into even and odd numbered signals, and oscillations in the signals are smoothed by averaging even and odd numbered shock signals.

REFERENCES:
patent: 5023847 (1991-06-01), Lee
patent: 6905091 (2005-06-01), Berson et al.
patent: 7121511 (2006-10-01), Kremeyer
patent: 7248985 (2007-07-01), Dwyer et al.

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