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DOCTORAL THESES (E & C): Recent submissions

Now showing items 1-20 of 212

ANALYSES OF DESPECKLING ALGORITHMS FOR POLARIMETRIC SAR DATA

Sharma, Rakesh (I I T ROORKEE, 2019-10)

Polarimetric SAR (PolSAR) systems can characterize different land features based on decomposition parameters. The estimation of these parameters is often biased due to the presence of speckle noise. Speckle noise in ...
INTERFACIAL CHARGE TRANSFER PROCESSES IN QUANTUM DOT SOLAR CELLS

Verma, Upendra Kumar (I I T ROORKEE, 2019-07)

Quantum dots (QDs) are extensively used in photovoltaic devices due to their unique properties: bandgap tunability, capability of multiple exciton generation, up/down wavelength conversion. The improvement in device ...
SPINTRONICS BASED QUANTUM COMPUTING ARCHITECTURES

Aravind, Kulkarni Anant (I I T ROORKEE, 2019-08)

A quantum computer performs computations on the principles of quantum mechanics that enables faster speed and higher security than classical computers, and also has the ability to process large amount of information due ...
TARGET LOCALIZATION WITH VIDEO STABILIZATION USING VISUAL FEATURE TRACKING

Verma, Kamlesh (I I T ROORKEE, 2020-03)

Visual surveillance is one very important requirement for present and future computer vision technologies. Video may be recorded using a digital camera which may be handheld or mounted on some moving platform of a vehicle. ...
DEVELOPMENT OF DEEP LEARNING APPROACHES TO EXTRACT INFORMATION FROM SATELLITE IMAGES

Phartiyal, Gopal Singh (IIT Roorkee, 2021-06)

This thesis titled ‘Development of Deep Learning Approaches to Extract Information from Satellite Images’ incorporates the study and critical analysis of the performance of conventional convolutional neural network (CNN) ...
DEVELOPMENT OF SIGNAL PROCESSING TECHNIQUES FOR ENHANCEMENT OF ENERGY CONCENTRATION IN TIME-FREQUENCY REPRESENTATION OF S-TRANSFORM

Singh, Neha (I I T ROORKEE, 2019-09)

The motivation behind the time-frequency analysis (TFA) is rooted in classical Fourier analysis. In contrast to Fourier transform (FT), time-frequency transforms analyze signals in both time and frequency domain ...
ENHANCED SOFT COMPUTING TECHNIQUES FOR ROBUST CONTROLLER DESIGN

Gaidhane, Prashant Jaichandrao (I.I.T Roorkee, 2019-03)

Last few decades have seen the rapid advances and diffusion of technologies in science, engineering, robotics, biomedical, economics and other fields. Diverse technologies are incorporated in industrial processes to ...
SILICON NANOWIRE CMOS CIRCUIT DESIGN AND RELIABILITY

Prakash, Om (I.I.T Roorkee, 2019-04)

Silicon nanowire (SiNW) FET is one of the most promising candidates at extremely scaled technology nodes due to its superior channel controllability and CMOS compatibility. An accurate physics-based compact model is necessary ...
DESIGN AND ANALYSIS OF NEAR THRESHOLD CMOS STORAGE ELEMENTS CONSIDERING VARIATIONS AND SOFT ERRORS

Kumar, Chaudhry Indra (I.I.T Roorkee, 2019-06)

Energy efficient computation is vital for the success of the next generation very large scale integration (VLSI) applications. Operating circuits in sub/near-threshold voltage (NTV) regime is one of the techniques to design ...
CHARACTERIZATION AND MITIGATION OF LINEAR AND NON-LINEAR DISTORTIONS IN SIX-PORT MODULATORS

Pathak, Chetan (I.I.T Roorkee, 2019-01)

There is an increasing demand of lowering the complexity and power consumption in the design of the wireless terminals. Further, wideband, compact size, and low-cost digital transceivers are required to meet the demands ...
LINEARIZER DEVELOPMENT FOR WIDEBAND SIGNAL TRANSMISSION USING SOFTWARE DEFINED RADIOS

Gumber, Karan (I.I.T Roorkee, 2019-04)

The imperative demand of hungry data consumer is motivating research activities around the world to develop wideband systems. In response to meet this demand, the wireless communication industry steadily marches towards ...
INCOHERENT TARGET DECOMPOSITION OF POLSAR DATA FOR LAND APPLICATIONS

Maurya, Himanshu (I.I.T Roorkee, 2019-02)

The rapid growth of population with limited natural resources demands a study of anthropogenic modification of Earth surface and its environmental impact. Earth surface classification, popularly known as land-cover ...
INVESTIGATION OF DEVICE ENGINEERED INNOVATIVE TUNNEL FETs FOR IMPROVED PERFORMANCES

Bagga, Navjeet (I.I.T Roorkee, 2019-06)

Technologicaldevelopmentofthesemiconductorindustryisprimarilydependedonthe miniaturization ofexistingCMOStechnologywithoutaffectingitsproperfunctionalityor in otherwords,morefunctionalityperunitareaofsilicon.However,th ...
NOVEL ALGORITHMS FOR IMPROVING LIFETIME AND TACKLING LINK RUPTURE IN WIRELESS NETWORKS

Vimal, Vrince. (I.I.T Roorkee, 2018-09)

A flexible data communication system is commonly referred to as wireless network which does not make use of wires to transmit data, rather uses air as medium to transmit and receive data. Some applications of the wireless ...
DESIGN AND ANALYSIS OF GRAPHENE PLASMONIC ANTENNAS FOR TERAHERTZ APPLICATION

Dash, Sasmita (I.I.T Roorkee, 2018-09)

Acute shortage of spectrum in the lower frequency range and benefit of using higher frequencies led the researchers to think of using beyond gigahertz frequency and towards terahertz (THz). In recent years, THz technology ...
INVESTIGATIONS ON MEGAWATT CLASS SUB-THz WAVE COAXIAL CAVITY GYROTRON OSCILLATORS

S, Yuvaraj. (I.I.T Roorkee, 2018-11)

Energy requirement of the world is increasing at an alarming rate due to fast economic growth and increased urbanization. The thermonuclear fusion promises to deliver highly efficient, clean and sustainable energy for ...
GRAPHENE BASED PLASMONIC INTEGRATED CIRCUITS FOR TERAHERTZ APPLICATIONS

Joshi, Neetu. (I.I.T Roorkee, 2018-10)

Graphene has enticed a wide number of researchers due to its remarkable optical and electronic properties, which have been exploited rapidly in the field of nano-photonics and plasmonics. It has unique magnetic properties ...
DIGITAL PREDISTORTION LINEARIZATION FOR MULTI-BAND/MULTI-CHANNEL SOFTWARE DEFINED TRANSMITTERS

Jaraut, Praveen. (I.I.T Roorkee, 2018-11)

Each generation of wireless communication systems is evolving to provide higher data rates with more services and accommodate more users within a limited radio-frequency (RF) spectrum. The wireless technologies, such as ...
EXPERIMENTAL AND ANALYTICAL APPROACHES FOR THE DEVELOPMENT OF MICROWAVE ABSORBERS

Mishra, Varsha (I.I.T Roorkee, 2018-12)

The rapid incorporation of wireless technology in electronic devices tends to create the interfering electromagnetic (EM) waves in the environment. These interfering EM waves interact with the human head, especially ...
ENERGY EFFICIENT COOPERATIVE SPECTRUM SENSING IN COGNITIVE RADIO NETWORKS

Awasthi, Meenakshi. (I.I.T Roorkee, 2018-12)

Cognitive or intelligent radio has emerged as a promising technology to ameliorate the spectrum utilization by exploiting the unused spectrum bands. Cognitive radio is proposed in literature as an intelligent wireless ...

Now showing items 1-20 of 212

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