Communications – electrical: acoustic wave systems and devices – Echo systems – Side scanning or contour mapping sonar systems
Patent
1978-04-14
1980-04-15
Tubbesing, T. H.
Communications, electrical: acoustic wave systems and devices
Echo systems
Side scanning or contour mapping sonar systems
367106, 367900, G01S 966, G01S 734
Patent
active
041987020
ABSTRACT:
A time varying gain amplifier for a side scanning sonar system having a predetermined gain versus time relationship is disclosed. The gain is substantially proportional to the square of the elapsed time measured from the last sonar pulse initiating trigger signal. The amplifier in one embodiment employs a series connection of two amplifiers, each of which has a gain which varies linearly with the elapsed time.
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E G and G, Inc.
Tubbesing T. H.
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