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Bibliografías temáticas / Ultrasonic analog front end

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Literatura académica sobre el tema "Ultrasonic analog front end"

Autor: Grafiati

Publicado: 10 de marzo de 2023

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Tesis sobre el tema "Ultrasonic analog front end"

1

SAUTTO, MARCO. "ANALOG FRONT-END CIRCUITS FOR HIGHLY INTEGRATED ULTRASOUND IMAGING SYSTEMS." Doctoral thesis, Università degli studi di Pavia, 2017. http://hdl.handle.net/11571/1203280.

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Ultrasound imaging is a well-established medical diagnostic technique. Compared with other imaging modalities, such as for example X-ray, ultrasound is harmless to the patient and less expensive while providing real-time imaging capability with adequate resolution for most applications. Piezoelectric materials have dominated the ultrasound transducers technology for a long time but, thanks to the intense research activity in recent years, capacitive micromachined ultrasonic transducers (CMUT) are emerging as a competitive alternative for next generation imaging systems. The objective of the th

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2

Behnamfar, Parisa. "On the design of high-voltage analog front-end circuits for capacitive micromachined ultrasonic transducers (CMUT)." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/50469.

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In ultrasound imaging, capacitive micromachined ultrasonic transducer (CMUT) technology has become a promising alternative to conventional piezoelectric- based technology. This work focuses on various aspects of CMUT-based imaging technologies. In the context of CMUT design and integration with associated electronics, flexible and reliable CMUT models that can be seamlessly simulated with the read-out circuits and provide insights in the system-level performance are of great importance. This work proposes a generic Verilog-AMS model for CMUT sensors that takes into account the non-linearities,

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3

Qureshi, Muhammad Shakeel. "Integrated front-end analog circuits for mems sensors in ultrasound imaging and optical grating based microphone." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/29613.

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Thesis (Ph.D)--Electrical and Computer Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Hasler, Paul; Committee Co-Chair: Degertekin, Levent; Committee Member: Anderson, David; Committee Member: Ayazi, Farrokh; Committee Member: Brand, Oliver; Committee Member: Hesketh, Peter. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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4

Lebron, Agustin. "An analog front-end for powerline communications." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ63020.pdf.

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5

Theie, Øyvind Bjørkøy. "A Novel Analog Front-End For ECG Acquisition." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elektronikk og telekommunikasjon, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19547.

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A complete analog front-end for portable ECG systems in 65nm technology was modeled and simulated using Cadence Virtuoso. All the required components for the AFE was incorporated into the continuous-time loop filter of a 10-bit ADC. By varying the effective transconductance of the input OTA, preamplification of the input signal was achieved. The required filtering is achieved through the ADC's own loop filter and through digital post-filtering. The ADC meets the IEC60601-2-47 standard. This simple, minimal and digitally assisted converter achieve some attractive features by dynamically ad

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6

Tavakoli, Dastjerdi Maziar 1976. "An analog VLSI front end for pulse oximetry." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36184.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2006.<br>Includes bibliographical references (p. 210-216).<br>Pulse oximetry is a fast, noninvasive, easy-to-use, and continuous method for monitoring the oxygen saturation of a patient's blood. In modem medical practice, blood oxygen level is considered one of the important vital signs of the body. The pulse oximeter system consists of an optoelectronic sensor that is normally placed on the subject's finger and a signal processing unit that computes the oxygen saturation. It uses red

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7

Uyar, Oğuzhan. "Front-end circuits for a photonic analog-to-digital converter." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/68510.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 79-80).<br>As the resolution of electrical ADCs gets limited at higher sampling rates due to sampling clock jitter, low-jitter mode-lock laser based photonic ADCs are starting to gain more attention. As well as low-jitter and high-linearity operation at very high speeds, photonic ADCs provide the opportunity to de-multiplex electrical signals to enable the parallel sampling of signals which increase

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8

Wang, Jiazhen. "Design of an Analog Front-end for Ambulatory Biopotential Measurement Systems." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-37216.

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A critical and important part of the medical diagnosis is the montioring of the biopotential signals. Patients are always connected to a bulky and mains-powered instrument. This not only restricts the mobility of the patients but also bring discomfort to them. Meanwhile, the measureing time can not last long thus affecting the effects of the diagnosis. Therefore, there is a high demand for low-power and small size factor ambulatory biopotential measurement systems. In addtion, the system can be configured for different biopotential applications.The ultimate goal is to implement a system that i

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9

Razzaghpour, Milad. "Design and Optimization of an Analog Front-End for Biomedical Applications." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-90236.

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The state-of-the-art analog front-end of implantable biosensors is the class of current-mirror-based circuits. Despite their superior noise performance, power consumption and area, they suffer from systematic and random errors causing offset, gain and linearity error in reading out the sensor data. In the first part of this thesis, a new analog front-end is proposed to eliminate the systematic error. The proposed topology is able to accurately copy the sensor current which will be converted into the proportional voltage for further processing. Additionally, a theoretical discussion regarding t

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10

Shah, Julin Mukeshkumar. "Compressive Sensing Analog Front End Design in 180 nm CMOS Technology." Wright State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=wright1440381988.

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