rf radio frequency 2019


radio frequency is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency range from around twenty thousand times per second to around three hundred billion times per second.

Improving RF -based Partial Discharge Localization via Machine Learning Ensemble Method
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Partial discharge (PD) is regarded as a precursor to plant failure and therefore an effective Indication of plant condition. Locating the source of PD before failure is key to efficient maintenance and improving reliability of power systems. This paper presents a low cost

Spatially Resolved IR- RF : Deciphering Middle Pleistocene Transport Processes on a Single Grain Level
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luminescence dating techniques have gained considerable attention in Quaternary sciences. Their event-based (eg, sunlight exposure) character enables tracking of phenomenological processes using natural mineral grains (eg, quartz or feldspar) to provide

Balanced electroabsorption modulated RF photonic link
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balanced RF photonic links are of great interest because they can suppress laser relative intensity noise (RIN) and amplified spontaneous emission noise (ASE) from optical amplifiers, achieving shot noise-limited performance . To date, the highest performance

Super Low Resolution RF Powered Accelerometers for Alerting on Hospitalized Patient Bed Exits
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alls have serious consequences and are prevalent in acute hospitals and nursing homes aring for older people. Most falls occur in bedrooms and near the bed. Technological Interventions to mitigate the risk of falling aim to automatically monitor bed-exit events and recently, fundamental research has demonstrated great potentials of integrating radio Frequency ( RF ) energy harvesting techniques into cognitive cellular networks (CCNs). Such n integration can improve spectrum utilization and energy efficiency of wireless

Wireless Communications for Power Substations: RF Characterization and Modeling
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In the context of the next generation of electric grids, called smart grids, the use of modern And advanced communication systems in high-voltage substations can significantly improve he efficiency, reliability, and safety of the electric power grid. Indeed, the deployment of

Analysis and Maximizing Energy Harvesting from RF Signals using T-Shaped Microstrip Patch Antenna
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the advancement of the modern world requires catering the power crisis. New methodologies for energy harvesting were considered, but their succession in a different Environment is still to explore. This paper deals with antenna designing to harvest energyorrectly implemented impedance matching guarantees maximum or optimum signal power transfer from a signal source to a load. Clearly, it is essential for the correct operation of any odern electronic signal processing circuit (consumer electronics, industrial process control

RF plasma generation for fusion relevant ion sources
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In view of a growing global energy demand, harnessing nuclear fusion as an energy source Is an appealing prospect. The fusion experiment ITER aims to demonstrate the technological And scientific feasibility of a positive power balance via the thermonuclear fusion within a

Determination of the optical properties of ppTh nanostructured films obtained by RF plasma polymerisation technique
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In this study, it is aimed to obtain plasma polymerized Thiophene (ppTh) thin films by Radio Frequency ( RF ) plasma polymerization technique and to determine optical, chemical and orphological properties of these films. thin films were fabricated at 25, 50, 75 and 100

29th Linear Accelerator Conference LINAC2018 MEASUREMENT OF DIAGNOSTICS RESPONSE BY RF PARAMETERS FOR HARD X-RAY LINE IN PAL
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Radial Density Profile Measurement at Different RF Power in Argon Plasma Using RF Compensated Langmuir Probe
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probe is a powerful diagnostic tool for low pressure gas discharge plasmas, the ability of measurement of local plasma parameters and the electron energy distribution Function (EEDF) makes it unique among other diagnostics. The Langmuir probe is consisting

OPTIMISATION OF UNDERLAP OF SUB 16 nm DOUBLE GATE MOSFET FOR SUPERIOR ANALOG/ RF PERFORMANCE
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In the beginning of twenty first century scaling down of MOSFET devices has pushed its dimension into nanometer realm. Scaling down of the device though increase the on current ION) of the device however, it also leads to Short Channel Effects (SCE) ,[2-4]. The

Shape optimization of quadrupole resonator for the RF characterization of superconductors
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this paper discusses the application of the shape derivative for the multi-objective Optimization of a quadrupole resonator designed for characterization of superconducting materials. For this purpose, the parameterized model of the device is simulated using a

Co-design of on-chip 2.5 ghz rf -dc power conversion circuit for wireless sensor network node application
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this paper presents a schematic circuit of 0.18 μM CMOS rectifier designed and simulated With the 180nm Silterra process. The results of the circuit simulation show an ability to rovide an output voltage of 1.6 to 1MΩ, from an input RF power of 25 microwatts (-16 dBm)

LHC RF SYSTEM PERFORMANCE IN 2017
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the availability of the LHC ADT and RF systems in 2017 is presented in details, including Bigh-and low-power RF and RF controls. A comparison with 2016 availability is performed. he full-detuning scheme, commissioned early this year, has been operational throughout

FABRICATIONAND CHARACTERIZATIONOF ZINCOXIDE (ZNO) THINFILMSON GLASSSUBSTRATEBY RADIOFREQUENCY ( RF ) SPUTTERING TECHNIQUE
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the ZnO is popular in the research fields nowadays because it novel properties which ttracted various applications to use it. There is various types of method were used to deposit the ZnO thin film. However, not all the method will produce the high quality of thin

Design RF Power Amplifier Based on HMIC Technology for Nano-Satellite Communications
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Radio Frequency ( RF ) Power Amplifier (PA) for X-Band communication subsystem of a ano-Satellite based on Hybrid Microwave Integrated Circuit (HMIC) technology. The proposed RF PA used an AlGaN/GaN High Electron Mobility Transistor (HEMT) dies and

DESIGN, DEVELOPMENT AND PERFORMANCE ANALYSIS OF RECONFIGURABLE LOG PERIODIC ANTENNA FOR RF FRONT-END MULTI STANDARD
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In this paper a novel design of Reconfigurable Log-Peiodic Antenna presented. It is designed on FR4 substrate (r= 4.4) and simulated in Keysights Advance Design System momentum Microwave Software. The resonant frequency band of the designed antenna is

An Extensive Study on Different Underlap Architectures for Improved Analog/ RF Performance of 32 nm DG-MOSFET
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this paper proposed an underlap double-gate MOSFET (U-DG MOSFET) structure with gate tacking. Better sub-threshold slope and RF performance can be obtained from DG MOSFET With symmetrical/asymmetrical drain-source configuration. Simulation shows better results



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