Acoustic detection of wind speed and direction at various altitu

Details Acoustic detection of wind speed and direction at various altitu Acoustic detection of wind speed and direction at various altitu

1979-08-21

1981-09-01

Myracle, Jerry W.

Measuring and testing

Navigation

Leeway incidence or side-slip

G01W 102

Patent

active

042864623

ABSTRACT:
An acoustic apparatus for ascertaining wind speed and direction at various altitudes which uses back scattered acoustic waves which are formed from acoustic pulses of predetermined frequencies, are transmitted on at least two planes and the frequency spectrum and power of back scattered signals are measured, the received signal is divided into a number of discrete frequency channels and these divided signals are used to provide a velocity indication at various altitudes at sequential time intervals.

REFERENCES:
patent: 3889533 (1975-06-01), Balser
patent: 4114438 (1978-09-01), Muraz et al.
patent: 4206639 (1980-06-01), Balser
Taylor, F. J. et al., Crosswind Measurements Through Pattern Recognition Techniques, IEEE Transactions, vol. GE-13 No. 4, pp. 175-182, Oct. 1975.

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