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Browsing Fakülteler / Faculties by Author "Düzenli, Gürsel"

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A NEW COST EFFECTIVE AND RAPID METHOD FOR THE MEASUREMENT OF BLOOD CULTURES

Düzenli, Gürsel; Karabay, Oğuz (GAZI UNIV, FAC ENGINEERING ARCHITECTURE, 2014)

Current automatized blood culture measurement systems are usually based on measurement of carbon dioxide with fluorescence. Long lasting measurement period and high cost are the major disadvantages of such methods. In this ...
A NEW COST EFFECTIVE AND RAPID METHOD FOR THE MEASUREMENT OF BLOOD CULTURES

Düzenli, Gürsel; Karabay, Oğuz (GAZI UNIV, FAC ENGINEERING ARCHITECTURE, 2014)

Current automatized blood culture measurement systems are usually based on measurement of carbon dioxide with fluorescence. Long lasting measurement period and high cost are the major disadvantages of such methods. In this ...
A new security approach for public transport application against tag cloning with neural network-based pattern recognition

Düzenli, Gürsel (SPRINGER LONDON LTD, 2015)

RFID tags are widely used in situations where their counterfeiting or cloning can bring financial rewards. Cloning is a particular problem because it gets round the sophisticated security measures. This paper describes a ...
Improving the drain-current expression of BSIM4 for hot-carrier degradation modeling that is suitable for analog applications

Düzenli, Gürsel (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2015)

The reliability evaluation of MOS transistors is one of the most important subjects in device engineering and VLSI design. The down-scaling of device dimensions adversely affects device reliability and lifetime. Although ...
On the design of low-frequency filters using CMOS OTAs operating in the subthreshold region

Düzenli, Gürsel (ELSEVIER ADVANCED TECHNOLOGY, 1999)

Design considerations on a circuit technique based on subthreshold operation of MOS transistors is described for the realization of low-frequency OTA-C active filters with small capacitance values of the order of 25-400 ...
RFID card security for public transportation applications based on a novel neural network analysis of cardholder behavior characteristics

Düzenli, Gürsel (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2015)

This paper proposes a novel approach that applies neural network forecasting to security for closed-loop prepaid cards based on low-cost technologies such as RFID and 1-Wire. The security vulnerability of low-cost RFID ...