Ultrasonic flaw detection of discontinuous defects in magnesium alloy materials
Sign Up to like & getrecommendations! Published in 2019 at "China Foundry"
DOI: 10.1007/s41230-019-9041-6
Abstract: Phased array ultrasonic testing, an effective ultrasonic testing (UT) technology, has been widely used in steel inspection because of its high accuracy, sensitivity, and efficiency. However, as its application in as-cast magnesium alloys has just… read more here.
Keywords: gain compensation; defects magnesium; ultrasonic flaw; magnesium alloys ... See more keywords
An Ultrasound Transducer Analog Front-End With dB-Linear Time-Gain Compensation Using Translinear Loop Principle
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2025.3583422
Abstract: This article presents an ultrasound analog front-end (AFE) circuit featuring continuous time-gain compensation (TGC) based on a variable-gain current amplifier (VGCA). The AFE comprises a class-AB input current buffer and a current gain stage realized… read more here.
Keywords: gain; analog front; gain compensation; time gain ... See more keywords
Dynamic-range compression and contrast enhancement in swept-source optical coherence tomography systems with a frequency gain compensation amplifier
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Biomedical Optics"
DOI: 10.1117/1.jbo.25.11.110502
Abstract: Abstract. Significance: Optical coherence tomography (OCT) has been widely used in clinical studies. However, the image quality of OCT decreases with increasing imaging depth since the light is rapidly attenuated in biological tissues. Aim: We… read more here.
Keywords: frequency gain; dynamic range; gain compensation; compensation amplifier ... See more keywords