Ultrasonic imaging system and improved signal processor therefor

Details Ultrasonic imaging system and improved signal processor therefor Ultrasonic imaging system and improved signal processor therefor

1979-03-02

1980-10-07

Ciarlante, Anthony V.

Measuring and testing

Vibration

By mechanical waves

73620, G01N 2904

Patent

active

042261210

ABSTRACT:
In an ultrasonic imaging system, a signal processor is provided which converts the portions of the received signal representing sonic reflections to more closely resemble the acoustic impedance changes which generated the reflections. The signal processor differentiates the received signal after demodulation and the differentiated signal is added to the received demodulated signal delayed by one-half cycle of the ripple frequency of the ultrasonic pulses.

REFERENCES:
patent: 3565057 (1971-02-01), Hart
patent: 4016750 (1977-04-01), Green

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