Results 101 to 110 of about 83,100 (210)

EMBRACE@Nancay: An Ultra Wide Field of View Prototype for the SKA

, 2014
A revolution in radio receiving technology is underway with the development of densely packed phased arrays for radio astronomy. This technology can provide an exceptionally large field of view, while at the same time sampling the sky with high angular ...
Censier, B., Karastergiou, A., Olofsson, A. O. H., Renaud, P., Serylak, M., Taffoureau, C., Torchinsky, S. A.   +6 more
core   +3 more sources

Design and implementation of a modified fourier analysis harmonic current computation technique for power active filters using DSPs [PDF]

, 2001
The design and implementation of a harmonic current computation technique based on a modified Fourier analysis, suitable for active power filters incorporating DSPs is presented.
Akagi, Aredes, Choe, Czarnecki, Czarnecki, El-Habrouk, Enslin, Enslin, Filipski, Grady, Jou, Kim, Koozehkanani, Koozehkanani, Koozehkanani, Li, Liu, Luo, M. El-Habrouk, M.K. Darwish, Mehta, Morãn, Pouliquen, Van Harmelen, Väliviita, Welsh   +25 more
core   +1 more source

Tailoring Functional Properties of Ti–Ni–Cu Shape Memory Alloy Thin Films for MEMS Actuators

Advanced Engineering Materials, EarlyView.
A comprehensive study of critical parameters required to develop well‐performing Ti–Ni–Cu thin film shape memory alloy microactuators is provided. Materials science and device integration aspects are integrated by addressing structural and physical relationships using complementary characterization techniques as well as a practical fabrication solution
Elaheh Akbarnejad, Aleksander Kostka, Gowtham Arivanandhan, Yujiao Li, Alan Savan, Manfred Kohl, Alfred Ludwig   +6 more
wiley   +1 more source

A 23.7‐uW 93.5‐dB SNDR delta‐sigma modulator for healthcare and medical diagnostics

Electronics Letters
This paper presents a high‐precision, low‐power delta‐sigma modulator (DSM) designed for healthcare and medical diagnostics. It utilizes a hybrid switching integrator to reduce distortion caused by the non‐linear on‐resistance of switches at a low supply
Jianguo Hu, Yao Yao, Renfei Zou, Jiajun He, Deming Wang   +4 more
doaj   +1 more source

Research on design and key technology of wideband radar intermediate frequency direct acquisition module based on Virtex-7 series FPGA

The Journal of Engineering, 2019
The wideband radar intermediate frequency direct acquisition module is used to acquire, process and transmit data, which is an important part of radar system. Based on the current advanced Virtex-7 FPGA board and high-speed ADC card, this article designs
Jian Zhang, Yue Zhang, Zengping Chen, Qianqiang Lin   +3 more
doaj   +1 more source

Enhanced Strength and Corrosion Resistance of Ti‐13Nb‐12Ta‐10Zr‐4Sn Alloy by Aging Treatment

Advanced Engineering Materials, EarlyView.
This work systematically investigates the effect of aging treatment on mechanical properties and corrosion behavior of vacuum arc‐melted Ti‐13Nb‐12Ta‐10Zr‐4Sn alloy. Owing to the increased α″ martensite, strength and corrosion resistance were significantly enhanced by aging treatment.
Yuhua Li, Rong Zhao, Qian Zhang, Haojie Wang, Yujing Liu, Lai‐Chang Zhang   +5 more
wiley   +1 more source

Transforming characteristics of the Rogowski coil current transformer with a digital integrator for high-frequency signals

The Journal of Engineering, 2019
The Rogowski coil current transformer is widely used in intelligent substations for its rapid response, wide bandwidth measurement, and non-magnetic saturation.
Fubin Pang, Yu Liu, Jianfei Ji, Chi Zhang   +3 more
doaj   +1 more source

3D (Bio) Printing Combined Fiber Fabrication Methods for Tissue Engineering Applications: Possibilities and Limitations

Advanced Functional Materials, EarlyView.
Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana, Indra Apsite, Leonid Ionov   +2 more
wiley   +1 more source

Doubling-resolution analog-to-digital conversion based on PIC18F45K80

The Journal of Engineering, 2014
Aiming at the analog signal being converted into the digital with a higher precision, a method to improve the analog-to-digital converter (ADC) resolution is proposed and described. Based on the microcomputer PIC18F45K80 in which the internal ADC modules
Yueyang Yuan, Chongchang Yang
doaj   +1 more source

Lipid Nanoparticles for the Delivery of CRISPR/Cas9 Machinery to Enable Site‐Specific Integration of CFTR and Mutation‐Agnostic Disease Rescue

Advanced Functional Materials, EarlyView.
Lipid nanoparticles (LNPs) are optimized to co‐deliver Cas9‐encoding messenger RNA (mRNA), a single guide RNA (sgRNA) targeting the endogenous cystic fibrosis transmembrane conductance regulator (CFTR) gene, and homologous linear double‐stranded donor DNA (ldsDNA) templates encoding CFTR.
Ruth A. Foley, Paul G. Ayoub, Vrishti Sinha, Colin Juett, Alicia Sanoyca, Emily C. Duggan, Lindsay E. Lathrop, Priyanka Bhatt, Kevin Coote, Beate Illek, Brigitte N. Gomperts, Donald B. Kohn, Steven J. Jonas   +12 more
wiley   +1 more source