Signal processing system and method for use in multibeam sensing

Details Signal processing system and method for use in multibeam sensing Signal processing system and method for use in multibeam sensing

1995-09-18

1997-09-02

Eldred, J. Woodrow

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With beam steering, scanning, or focussing

367124, 367129, 367905, G01S 380

Patent

active

056639309

ABSTRACT:
The present invention is a system and technique for reducing the effective beam width of a receive beam for a sensing system, for example a sonar or radar system. The sensing system includes a plurality of physical sensors each for measuring a receive signal wherein each receive signal includes a first and second data processing unit. The sensing system may include means for computing sensor data for at least one extrapolated-sensor, including, first extrapolation means for computing a first extrapolated-sensor data unit of the at least one extrapolated-sensor by extrapolation of a first data processing unit of the plurality of physical sensors, and second extrapolation means for computing a second extrapolated-sensor data unit of the at least one extrapolated-sensor by extrapolation of a second data processing unit of the plurality of physical sensors. The system may also include means for combining the first and second extrapolated-sensor data units of the at least one extrapolated-sensor to the first and second data processing units of the plurality of physical sensors to thereby generate a narrower effective beam width of a receive beam.

REFERENCES:
patent: 5483500 (1996-01-01), Capell, Sr. et al.

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