Identifying the Signal of Interest for Partially Overlapping Ultrasonic Echoes

Cepel, Raina; Neal, Steven P.

doi:10.1109/tuffc.2007.408

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Contact Ultrasonic Measurements1

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Cited by 3 publications

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“…As depicted in Fig. 8b, the overlapping f 3 (t) can be approximated from f 2 (t) and f 4 (t) as [28] …”

Section: Contact Ultrasonic Measurementsmentioning

confidence: 99%

Acoustic Testing and Characterization Techniques for Pharmaceutical Solid Dosage Forms

Akseli

Cetinkaya

2008

J Pharm Innov

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The mechanical state of a drug tablet is an important factor in its physical form and therapeutic function. In recent years, a strong need for new technologies for faster and more reliable quality assurance has often been voiced by both regulators and manufacturers. In the current study, a novel air-coupled acoustic technique is demonstrated as a noncontact/nondestructive method for mechanical characterization and coating thickness determination of tablets. For verification purposes, a contact ultrasonic scheme is employed. Applications of the technique in solid dosage form characterization and process monitoring applications and its role as a potential PAT tool are discussed.

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“…As depicted in Fig. 8b, the overlapping f 3 (t) can be approximated from f 2 (t) and f 4 (t) as [28] …”

Section: Contact Ultrasonic Measurementsmentioning

confidence: 99%