Doppler shift velocity measuring system with correction factors

Details Doppler shift velocity measuring system with correction factors Doppler shift velocity measuring system with correction factors

1996-09-16

1998-07-07

Voeltz, Emanuel Todd

Boots, shoes, and leggings

364509, 364576, 7386106, 7386118, 7386128, G01H 500

Patent

active

057778922

ABSTRACT:
To determine the average velocity of a fluid stream, an ultrasonic signal is transmitted into the fluid and reflected ultrasonic signal received. The signals are mixed with a frequency of the transmitted ultrasonic signals. A Fourier transform is performed on the signals, the largest coefficient used to normalize the signal and certain of the weighted signals are averaged.

REFERENCES:
patent: 4048853 (1977-09-01), Smith et al.
patent: 5052230 (1991-10-01), Lang et al.
patent: 5111825 (1992-05-01), Nishiyama
patent: 5183047 (1993-02-01), Burckhardt
patent: 5201313 (1993-04-01), Katakura
patent: 5557536 (1996-09-01), Nabity et al.

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