Browsing by Title
Now showing items 870-889 of 1001
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Spectral estimation using WRLS algorithm for multiband detection
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)Signal parameter estimation in the presence of noise has been a key area of research. Many applications have benefited from advancements made in this field within the last two decades. The method proposed in the thesis ... -
Spectro-temporal features based automatic speech recognition
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)ASR technology has found its application in almost every field in life. Today‟s world cannot be considered as noise-free and deploying ASR technology in such environments would incorporate the challenge to deal with various ... -
Spectrum sensing for cognitive radio
(Dhirubhai Ambani Institute of Information and Communication Technology, 2019)Due to the rapid growth of new wireless communication services and applications, need for radio frequency (RF) spectrum is continuously increasing. Most of the available RF spectrum is already been licensed to the existing ... -
Spectrum sensing in cognitive radio networks
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)In this thesis, we consider the problem of secondary users’ selection for cooperative spectrum sensing in cognitive radio networks. We assume that the secondary users involved in sensing transmit their spectral energy ... -
Spectrum sensing in cognitive radio using quickest change detection framework
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Spectrum sensing is a term associated with detection of primary (licensed) users (PU) by secondary (unlicensed) users (SU) to pursue opportunistic transmission of their data. The problem of spectrum sensing is challenging ... -
Speech driven facial animation system
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)This thesis is concerned with the problem of synthesizing animating face driven by new audio sequence, which is not present in the previously recorded database. The main focus of the thesis is on exploring the efficient ... -
Speech enhancement using microphone array for hands-free speech applications
(Dhirubhai Ambani Institute of Information and Communication Technology, 2004)This thesis addresses the problem of multi-microphone speech enhancement using GSVD (Generalized singular value decomposition) based optimal filtering algorithm. This algorithm does not require any sensitive geometric ... -
SQL-GQL inter-query translation for Google App engine datastore
(Dhirubhai Ambani Institute of Information and Communication Technology, 2012)On demand services, usage based pricing, and scalability features of cloud computing has attracted many customers to move their applications into cloud. But different cloud service providers are using different standards ... -
State space based channel modelling
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)xAbstract: An efficient channel estimation of single-input single output (SISO)/multiple-input multiple-output (MIMO) wireless channel is required for analysis, prediction, fault detection, channel equalization and ... -
Statistical co-analysis, robust optimization and diagnosis of USB 2.0 system for signal and power integrity
(Dhirubhai Ambani Institute of Information and Communication Technology, 2009)Signal Integrity (SI) and Power Integrity (PI) are the most critical issues as semiconductor industry is moving towards higher operational speeds. Signal integrity and power integrity are such issues that should be looked ... -
Statistical delay modeling and analysis for system on chip
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)It is seen that designing using conventional methodologies in Deep Sub Micron geometries, at times, ends up in very pessimistic design and less yield. This is because, today’s tools don’t consider statistical variation of ... -
Stitching Stories: Art of making Chamba Rumal, Focus: Himachal Pradesh
(Dhirubhai Ambani Institute of Information and Communication Technology, 2016)The embroidery art of Chamba rumal is known for its uniqueness and stitches. Also, the involvement of religion, mythology and devotion makes this art work more significant. This art is prevalent in the Northern hills from ... -
String puppets of Rajasthan
(Dhirubhai Ambani Institute of Information and Communication Technology, 2009)The Project is explores the contents of usage of background in the specified domain of the art form of Rajasthani Kathputli and their performers, Types of Puppet, Folklore stories about Rajasthani string Puppets, About ... -
Structural properties of realization graphs
(2020)All graphs considered in this thesis are simple undirected graphs with finite, nonempty vertex sets. Degree sequence is one of the simplest terms associated with a graph. However, most graph families are not degree determined. ... -
Structure indexed vertical partition and query execution for RDF data
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)The Semantic Web is an effort by the W3C to enable integration and sharing of data across different applications and organizations. Tremendous growth of organizations and applications across World Wide Web requires the ... -
Studies on transcription, classification and detection of obstruents
(Dhirubhai Ambani Institute of Information and Communication Technology, 2013)Speech is the powerful mode of communication among the people. During the last few decades, there has been growing interest in speech related research all over the world. To develop algorithms for automatic speech recognition ... -
Study and analysis of primary database operations using single node hadoop cluster
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)MapReduce framework and Hive query language are widely used for large data processing in Hadoop system. Nowadays media, corporates and government organizations are generating a very large amount of raw data. This rises new ... -
Study and development of computer aided tool for transceiver system design
(Dhirubhai Ambani Institute of Information and Communication Technology, 2004)The aim of this thesis is to develop the GUI-based interactive software, which assists in designing transceiver for any modern communication system including GSM, CDMA, HIPERLAN, and WLAN. There are many trade-offs between ... -
Study of algebraic and state based testing techniques
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)Sequential programs can be modeled as algebra or transitions on a state space. Whether a program is implemented according to its model is the question addressed by program testing. The thesis illustrates issues in constructing ... -
Study of bayesian learning of system characteristics
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)This thesis report basically deals with the scheduling algorithms implemented in our computer systems and about the creation of probabilistic network which predicts the behavior of system. The aim of this thesis is to ...