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Toplam kayıt 48, listelenen: 1-10
A statistical approach to web usability analysis
(Işık Üniversitesi, 2007)
A survey is conducted on 35 experienced Internet users to asset the usability of Turkish e-Commerce Web sites. The data is collected using a 28 questions survey consisting of three categories. ANOVA method is used for the ...
New approaches for channel estimation in wireless communications
(Işık Üniversitesi, 2006-03-10)
This thesis first proposes a conputationally efficient, pilot-aided linear minimum mean square error (MMSE) batch channel estimation algorthm for the orthogonal frequency division multiplexing OFDM systems in unkonown ...
Circuit models with mixed lumped and distributed elements for passive one-port devices
(Işık Üniversitesi, 2006-01-23)
In this thesis, to model measured data obtained from an actual passive one-port device, a circuit modeling method with mixed lumped and distributed elements is proposed. Namely, measured data is modelled by means of its ...
Channel adaptive user cooperation strategies for fading wireless channels
(Işık Üniversitesi, 2006)
In this dissertation, a channel adaptive method is proposed for a two user halfduplex cooperative communication system under the assumption of perfect channel state information at the transmitters and the receiver. An ...
Wavelet based image coding and interpolation
(Işık Üniversitesi, 2009)
The need of higher resolution on imaging systems and displays increases everyday. Data rates and bandwidth are still limited to satisfy the demands of enhanced resolutions. So, we should develop intelligent enhancement ...
ZOI : a virtual campus platform
(Işık Üniversitesi, 2009-02-13)
Virtual Organization (VO) means that two or more diverse systems can exchange and use information. It provides a flexible environment for interoperable applications. Clients are able to access other systems' information ...
Neural network as a forecasting tool for financial decision-making
(Işık Üniversitesi, 2008-09-18)
For the last decade, machine learning techniques have been applied to financial tasks such as portfolio management, risk assessment and stock market prediction. Among these techniques artificial neural network as a machine ...
Dilemma between security and privacy on the internet
(Işık Üniversitesi, 2005-07-31)
In this thesis, the following issues are discussed. Even in today society, it is hard to talk about security and privacy. And no one can imagine what will be structure of tomorrow society. We study what are the internet ...
Evolving strategies for web crawler
(Işık Üniversitesi, 2009-05-06)
With the rapid growth of Internet and Internet-based information, it becomes the largest and publicly accessible data source in the world. Every day millions of information available so to achieve information becomes harder. ...
Modelling a university as a multi-agent system
(Işık Üniversitesi, 2008-09-09)
Multi-Agent systems are an approach for designing and implementing complex social organizations in the software domain. In multi-agent systems; actors that interact with the system are modeled as software entities called ...