Surface acoustic wave (SAW) devices are widely used in sensors, actuators, filters, and telecommunication systems. SAWs are elastic waves launched on a piezoelectric substrate when an electrical signal is applied to metallic ...
Speech enhancement is one of the active areas of research and a challenging task when the signal is recorded in natural environments. In a typical recording scenario using a single microphone, it is safe to assume that the ...
Inverse problems are the problems that involve estimation of the parameters or data given certain observations. The available observations are often noisy and incomplete. Hence, the inverse problems are mostly ill-posed ...
Electrocardiogram (ECG) provides the diagnostic information about the depolarization and the relaxation activities of heart chambers. This diagnostic information is captured using morphological features (amplitude, duration ...
Surface acoustic wave (SAW) is a type of wave that propagates on the surface of an elastic material. The concentration of energy of these waves is higher at the surface and decreases exponentially along the depth of the ...
Generally, a conventional optimal controller designed for a system cannot guarantee its performance when the system is affected by uncertainties caused by modeling error, parameter change or external disturbance. In order ...
This research deals with the analysis and design of few novel matched feed structures for offset parabolic reflector antenna systems. An effective hybrid numerical technique is developed to evaluate the performance of a ...
Printed monopole antenna (PMA) is one of the most suitable antenna for achieving large bandwidth and omnidirectional radiation pattern. In the last one decade, several printed monopole antenna configurations have been ...
Statistical parametric speech synthesis (SPSS) is the mostly preferred synthesizer compared to concatenative synthesis system, due to small footprint and flexibility. However, the naturalness and intelligibility of SPSS ...
The thesis focuses on speaker verification (SV) from the perspective of application oriented systems and identifies a framework of sufficient train with limited test data as the favorable one. Three different directions ...
In cognitive radio, the transmitter behavior adapts according to the information about the surroundings in which it operates, thereby enhancing the spectrum utilization. Based on the available information, the spectrum-monitor ...
VLSI circuit placement and partitioning are critical steps of the VLSI circuit design flow. Adoption of an optimal placement policy is essential to the optimal performance of the electronic circuit. Due to technology scaling ...
DC-DC buck converters belong to the class of complex and time varying variable structure systems. These are primarily employed to obtain an uninterrupted lower level of DC voltage at the output end from a DC input voltage ...
The conventional interconnected power system based on coal and hydro power generating plants are now causing a significant impact on the environment. Hence, the 21st century is witnessing the need to harness the renewable ...
Multiple input multiple output (MIMO) radar uses multiple antennas at input and output. It processes the signals from these multiple antennas jointly to yield target detection and information on other parameters of the ...
This thesis presents the new maximum power point (MPP) estimation schemes for a single diode model (SDM) and double diode model (DDM) photovoltaic (PV) module under different environmental conditions (DEC). It also addresses ...
This thesis deals with channel equalization techniques for mitigating the effect of inter-symbol interference owing to the multipath propagation, and rapid channel variations due to the large Doppler spread in a band-limited ...
Increasing global warming and limited reserves of fossil fuels have created the need for alternatives to conventional internal combustion engines (ICE) based vehicles as primary mode of transport. In present time, Electric ...
Children’s speech production system distinguishes itself from the adults’ by shorter vocal tract length and higher pitch value. Due to shorter vocal tract length, formant frequency values shift to higherband (3400-8000 Hz) ...
This thesis develops novel insight towards understanding high current injection phenomenon in bipolar structures. High current injection mechanisms are ubiquitously connected to reliability issues both in advanced nano-scale ...