Wide swath precision echo sounder

Details Wide swath precision echo sounder Wide swath precision echo sounder

1981-05-26

1983-08-23

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Echo systems

Side scanning or contour mapping sonar systems

367106, G01S 1589, G01S 754

Patent

active

044008031

ABSTRACT:
A Wide Swath Precision Echo Sounder is provided by means of transmitting grammed acoustic pulses (pings) to insonify a target area and receiving the backscattered energy in two receivers separated vertically. The outputs of each receiver are stored (including phase information) and synthetic aperature outputs are generated. Each space resolution cell will have a phase associated with it for each receiver. Using the interferometer technique, the phase is converted into a depression angle and is combined with the slant range to the particular space cell to provide a numerical measure of the depth and lateral range to the particular spot under consideration.

REFERENCES:
patent: 3273148 (1966-09-01), Wood et al.
patent: 3484737 (1969-12-01), Walsh
patent: 3618007 (1971-11-01), Anderson
patent: 4088978 (1978-05-01), Gilmour
patent: 4207620 (1980-06-01), Morgera

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