Investigation of the Pulsing Characteristic of a Carbon Nanotube Emitter
Nanomaterials, 2022 The carbon nanotube (CNT) field emitter is suitable for the high frequency pulsing of X-ray. Pulsing reduces 49% of the dose in grid-controlled fluoroscopy and improves the image of moving objects. Various structures and manufacturing processes are being
Helin Zhu +5 more
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A study of discrete wavelet transform based denoising to reduce the effect of artificial light interferences for indoor optical wireless communication [PDF]
, 2010 The optical power penalty (OPP) due to the artificial light interferences (ALIs) can be significantly high in an indoor optical wireless communication (OWC) channel making such link practically infeasible.
Angelova, Maia +2 more
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Wavelet—Artificial Neural Network Receiver for Indoor Optical Wireless Communications [PDF]
, 2011 The multipath induced intersymbol interference (ISI) and fluorescent light interference (FLI) are the two most important system impairments that affect the performance of indoor optical wireless communication (OWC) systems.
Angelova, Maia +2 more
core +1 more source
Energies, 2021 In this work, an idea of a wideband, precision, power electronics programmable voltage source (PVS) is presented. One of the basic elements of the converter, the control section, contains a continuous-time sigma-delta modulator (SDM) with a pair of ...
Michał Gwóźdź
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LWFA With Low Energy Raman Seeded Pulses [PDF]
, 2004 Analytical and numerical calculations of plasma wakefield excitation and particle acceleration by Raman seeded laser pulse in self-modulation regime are presented. We derive energy threshold for self-modulation of diffraction-limited pulses.
Chiu, C. +3 more
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Symbol and Bit Error Rates Analysis of Hybrid PIM-CDMA
EURASIP Journal on Wireless Communications and Networking, 2005 A hybrid pulse interval modulation code-division multiple-access (hPIM-CDMA) scheme employing the strict optical orthogonal code (SOCC) with unity and auto- and cross-correlation constraints for indoor optical wireless communications is proposed.
Ghassemlooy Z, See CK
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Single-Phase High Frequency Inverter Narrow Pulse High-Quality Modulation Method
Shanghai Jiaotong Daxue xuebaoTo analyze the narrow pulse issue of high-frequency single-phase two-level inverter running at high modulation ratio, the effects of modulation ratio, carrier frequency, and dead time on the narrow pulse under sinusoidal pulse width modulation (SPWM ...
ZHANG Guopeng, CHEN Dongan, TAO Haijun, LIU Yonghui, MA Yuan
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Enhanced Multi-Level Multi-Pulse Modulation for MIMO Visible Light Communication
IEEE Access, 2020 Any realistic indoor multiple-input multiple-output (MIMO) visible light communication (VLC) system, besides providing reliable high rate transmission, should also support flicker-free, dimming capable, and uniform illumination.
Manh Le-Tran, Sunghwan Kim
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Implementation of a single femtosecond optical frequency comb for rovibrational cooling
, 2010 We show that a single femtosecond optical frequency comb may be used to induce two-photon transitions between molecular vibrational levels to form ultracold molecules, e.g., KRb.
Malinovskaya, S., Shi, W.
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Recent development of new inductively coupled thermal plasmas for materials processing
Advances in Physics: X, 2021 This paper explains recent developments in the field of inductively coupled thermal plasmas (ICTP or ITP) used for materials processing. Inductive coupling technique is important to produce thermal plasma with high gas temperature at high pressures ...
Yasunori Tanaka
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