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24861
Mortalidade por câncer em trabalhadores de companhia geradora de eletricidade do Estado de São Paulo, Brasil Cancer mortality among electricity utility workers in a Southeastern re...
Published 1996-12-01“…<br>A number of epidemiologic studies have observed an association between exposure to 50-60 Hz electromagnetic fields and the development of specific types of cancer. …”
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24862
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24863
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24864
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24865
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24866
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24868
Integrated design of DC-DC power converters target for fast load transient applications
Published 2019“…Compared to conventional hysteretic PFM controls, the proposed designs have a fixed switching frequency, so the electromagnetic interference (EMI) problems can be greatly reduced and the challenges on input filter design can be minimized. …”
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Thesis -
24869
CMOS-integrated biosensor circuits and systems : FMCW radar sensor for noncontact multimodal vital signs monitoring and coherent photoacoustic sensor for non-invasive in vivo sensi...
Published 2021“…The CMOS-integrated radar sensor is a suitable candidate to monitor multimodal vital signs and detect specific movements like falling in a noncontact way utilizing electromagnetic (EM) waves. To further enable multimodal biomedical sensing for pervasive healthcare applications, considering that photoacoustic sensor is realized based on light excitation and acoustic sensing, which can be used to achieve the non-invasive monitoring on the in-depth blood core temperature and in vivo imaging on the target tissues. …”
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Thesis-Doctor of Philosophy -
24870
Spatiotemporal light shaping using silicon photonics for 6G communications
Published 2023“…The deep learning beamforming model, the broadband topological waveguide designs, and the free-electron radiation intensity shaping techniques presented in this thesis extends beyond the THz regime and are scalable across the entire electromagnetic spectrum. The CMOS process compatibility of silicon metasurfaces, silicon planar waveguides, along with silicon electron emitters and silicon gratings offers the opportunity to realize a broadband THz photonic integrated circuit with waveguiding, wave generation and beamforming functionalities for enhancing the spectral efficiency of THz communications in 6G wireless networks.…”
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Thesis-Doctor of Philosophy -
24871
Interfacial colloidal self-assembly for functional materials
Published 2023“…Strong Raman enhancement was accomplished by rationally directing the Raman probes to the electromagnetic hotspots. Optimal enhancement of fluorescence and FRET was realized by precisely controlling the spacing between the metal surface and the fluorophores and tuning the surface plasmon resonance wavelength of the self-assembled substrate to match the optical properties of the fluorescent dye. …”
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Journal Article -
24872
Exploring ultrafast terahertz dynamics for efficient transmission and emission applications
Published 2024“…The THz frequency range, which extends from 0.1-30 THz, provides a unique window into the properties of various materials and their interactions with electromagnetic radiation. THz spectroscopy is gaining popularity in various fields, including material science, biology, chemistry, and physics, due to its non-invasive nature that enables the examination of the intrinsic properties of materials, including their structural, vibrational, and electronic states. …”
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Thesis-Doctor of Philosophy -
24873
Uncooled infrared detection based on aluminium nitride piezoelectric resonator
Published 2015“…Infrared (IR) radiation is an electromagnetic radiation with wavelength ranging from 0.75 µm to 1,000 µm and photon energy from 1.24 meV to 1.7 eV. …”
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Thesis -
24874
Performance optimization for cognitive radio networks with RF energy harvesting capability
Published 2016“…Such techniques allow a wireless node to harvest and convert electromagnetic waves from ambient RF sources (e.g., TV, radio towers and cellular base stations) into energy which can be used for data transmissions. …”
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Thesis -
24875
Multilevel diode clamped converter with space vector modulation and DC-link capacitor voltage balancing
Published 2016“…The output voltage waveform of multilevel inverter consists of multiple steppes of smaller magnitudes designed to reduce electromagnetic interference (EMI) commonly produced by rapid switching that generate lesser common mode currents at motor shaft and bearings due to reduced dv dt . …”
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Thesis -
24876
Carrier based pulse width modulated two-level and three-level Z-source inverters for distributed energy resources
Published 2016“…Medium/high power applications are trending towards incorporating multilevel inverters due to a better output waveform quality and low electromagnetic interference (EMI) while employing devices of smaller voltage rating. …”
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Thesis -
24877
Analysis and design of an adaptive-supply class H audio power amplifier for mobile devices
Published 2017“…More importantly, the switching noise generated at the output stage will cause electromagnetic interference (EMI) problems which may affect the performance of other Radio Frequency (RF) blocks. …”
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Thesis -
24878
Piezoelectric energy harvesting interface circuits for energy autonomous sensors
Published 2017“…Vibrational energy is often harvested using three methods viz. Electromagnetic, Electrostatic and Piezoelectric, the latter being the focus of this thesis. …”
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Thesis-Doctor of Philosophy -
24879
Development of chitosan based optical fiber chemical sensors
Published 2018“…Particular emphasis on research has been focused on in-line fiber optic interferometric sensors owing to their many advantages like compact size, high sensitivity, immunity to electromagnetic interference etc. Among the polymers used in sensing applications, chitosan a natural biopolymer, has attracted a significant amount of interest. …”
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Thesis -
24880
Multicore fibers for sensing applications
Published 2018“…Due to the intrinsic advantages such as small size, well-defined core separation, improved isothermal behaviour, light weight, immunity to electromagnetic interference, MCFs have also attracted extensive interests for optical sensing applications. …”
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Thesis