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On the generation of accurate high frequency acoustic pulses using modern control theory

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4 Author(s)
Birdwell, J.D. ; Univ. of Tennessee, Knoxville, TN ; Paulus, T.J. ; Mazzola, C. ; Czapla, L.

Initial results in the application of modern control techniques to the improvement of the quality of medical acoustic imaging systems are described. An optimal linear quadratic feedback control law is used to generate a desired pressure signature from a high frequency acoustic projector. The specialized hardware, the algorithm, and initial tests on an equivalent circuit are described. A discussion of problems encountered in the implementation is included.

Published in:

Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '82.  (Volume:7 )

Date of Conference:

May 1982

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