Staged sodar sounding

Details Staged sodar sounding Staged sodar sounding

2006-02-28

2010-11-16

Lobo, Ian J (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Echo systems

C073S170130

Reexamination Certificate

active

07835227

ABSTRACT:
A monostatic sodar system (10) for atmospheric sounding includes a processor and display unit (12) that generates a set of acoustic chirps for transmission by transmitter20. Discontinuities (22, 24and26) result in echoes (28, 30and32) being returned to a receiver (38) of system (10). Receiver (38) outputs extracted echo signals on line to the processor (12) for analysis. Detector (36) implements a Fourier domain matched-filter to extract echo signals from noise. By using a set of multiple chirps of increasing length with increasing intervals between them, substantially any feasible range can be accommodated using send-then-listen techniques with the benefit of high s
performance.

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