نتایج جستجو برای: electrical array reconfiguration

تعداد نتایج: 330213  

Journal: :Physiological measurement 2007
Tzu-Jen Kao G J Saulnier Hongjun Xia Chandana Tamma J C Newell D Isaacson

Electrical impedance tomography (EIT), a non-invasive technique used to image the electrical conductivity and permittivity within a body from measurements taken on the body's surface, could be used as an indicator for breast cancer. Because of the low spatial resolution of EIT, combining it with other modalities may enhance its utility. X-ray mammography, the standard screening technique for br...

Journal: :The University of Danang - Journal of Science and Technology 2023

Reconfigurable antennas are a type of smart antenna that is able to change whose properties, including resonant frequency, polarization, radiation pattern, and combination these properties. can switch between their configuration states operate at different frequency bands for multiple standards, patterns direction finding, or polarization diversity. Therefore, they solution modern wireless comm...

ژورنال: انرژی ایران 2022

Nowadays, with the use of devices such as fossil distributed generation and renewable energy resources and energy storage systems that are operated at the level of distribution networks, the problem of optimal reconfiguration has faced major challenges, so any change in the power of this resources can have different results in reconfiguration. Similarly, load changes during the day can lead to ...

Journal: :Advanced intelligent systems 2022

Electromagnetic (EM) metamaterials with tailored properties are developed for wave manipulation, filtering, and cloaking aerospace defense applications. While traditional EM exhibit fixed behaviors due to unchangeable material geometries after fabrication, reconfigurable allow tunable performance through electrical/mechanical reconfiguration strategies. Traditional biasing circuit-based electri...

2000
Jose Mumbru George Panotopoulos Demetri Psaltis Xin An Gan Zhou Fai Mok

Reconfigurable processors, like the Field Programmable Gate Arrays (FPGA's), open new computational paradigms where the processor is able to tailor its internal structure to better . implement a given application. A typical FPGA consists of an array of configurable logic blocks and a mesh of interconnections fully programmable by the user to perform a given application. By just changing its int...

2015
Jian Wang Hao Shen Li Fan Rui Wu Ben Niu Leo T. Varghese Yi Xuan Daniel E. Leaird Xi Wang Fuwan Gan Andrew M. Weiner Minghao Qi

Photonic methods of radio-frequency waveform generation and processing can provide performance advantages and flexibility over electronic methods due to the ultrawide bandwidth offered by the optical carriers. However, bulk optics implementations suffer from the lack of integration and slow reconfiguration speed. Here we propose an architecture of integrated photonic radio-frequency generation ...

2014
Sananda Pal S. Sengupta

Reduction of loss in a power distribution network is of utmost importance for any electrical utility. Recent years have seen development of various optimization techniques and computer technology which has made it possible to perform accurate analysis of distribution losses. The network reconfiguration of a distribution network is done by changing the status of sectionalizing switches by switch...

2003
Rodrigo Soares Arnaldo Azevedo Ivan Saraiva Silva

The X4CP32 is a novel coarse RPU runtimereconfigurable general purpose microprocessor. It consists of 3 programming levels, based on a hierarchic array of easily and quickly reconfigurable entities. It brings a new concept of runtime reconfiguration and programming, which is it’s main strength. Although it’s effectiveness in heavy arithmetic applications, it is suited for virtually any task an ...

2001
Michael Böhnel Reinhold Weiss

New testing methods are required as the complexity of Field Programmable Gate Array (FPGA) designs grow rapidly and time-to-market demands shorten. In this paper we propose a new, physical fault injection method for the test of a system’s self-stabilizing property, that is its intrinsic ability to recover from transient faults. Therefore we inject transient faults in Look-Up Table (LUT)-based F...

2008
Alessandro Casavola Giuseppe Franzè Ron J. Patton

In this paper we present a supervisory strategy for voltage regulation control problems in electrical power grids based on the Command Governor (CG) approach. The scheme consists of reconfiguring the nominal voltage set-point of the network in the presence of Distributed Generation (DG) units to avoid operative constraint violations in response to unexpected load changes and/or failures. Such a...

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