نتایج جستجو برای: parallel noise barrier

تعداد نتایج: 501061  

Journal: :Journal of Vibration and Control 2022

The main intention of this study is to propose general criteria for the locations control sources and error microphones that improve performance active noise barrier. Based on proposed study, greater reduction attained when diffracted field source canceled with sources, is, it suggested locate incident side below path connects furthest point in shadow zone edge Furthermore, are most suitably pl...

Journal: :The Journal of the Acoustical Society of America 2017

Journal: :Epitoanyag - Journal of Silicate Based and Composite Materials 2015

2001
Johan J. Åkerman Ivan K. Schuller

The bias and temperature dependent resistance and magnetoresistance of magnetic tunnel junctions with and without intentional shorts through the insulating barrier were studied. Based on the experimental results, a set of quality criteria was formulated that enables the identification of barrier shorts. While the temperature and bias dependencies of the junction resistance and of the fitted bar...

1999
JOHN P. WEISS JEFFREY B. WEISS

The seasonal dependence of predictability in ENSO manifests itself in the so-called spring barrier found in the cyclostationary lag autocorrelations, or persistence. This work examines the statistics of persistence, with particular focus on the phase-of-year-dependent pattern found in ENSO data, the barrier. Simple time series of one sine wave produce a barrier if the frequency is a biennial cy...

2004
DANIEL J. KIRSHBAUM DALE R. DURRAN

The three-dimensional structure of shallow orographic convection is investigated through simulations performed with a cloud-resolving numerical model. In moist flows that overcome a given topographic barrier to form statically unstable cap clouds, the organization of the convection depends on both the atmospheric structure and the mechanism by which the convection is initiated. Convection initi...

2012
Roberto Marani Anna Gina Perri

The aim of this paper is to model and characterize the current voltage characteristics of Schottky Barrier (SB) Carbon NanoTube Field Effect Transistors (SB-CNTFETs) below and above threshold, in order to evaluate the noise margin and output voltage swing, whose values are necessary in the design of digital circuits.

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