Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1999-03-16
2000-12-05
Lateef, Marvin M.
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
A61B 800
Patent
active
061559806
ABSTRACT:
Coded excitation for medical ultrasound imaging is implemented by transmitting code or element symbols in the encoded base sequence on different firings. The encoded base sequence is formed by convolving a base sequence with an oversampled code sequence. For each firing the designated code or element symbol in the encoded base sequence is replaced by a unit symbol (i.e., 1 or -1) while the other symbol locations are all set to zero. After each transmit, the received waveform is multiplied by the respective symbols and accumulated to synthesize the received encoded waveform.
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Chiao Richard Yung
Thomas, III Lewis Jones
General Electric Company
Imam Ali M.
Lateef Marvin M.
Snyder Marvin
Stoner Douglas E.
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