منابع مشابه
Electronic Vector - Network - Analyzer Verification ■
118 October 2009 Digital Object Identifier 10.1109/MMM.2009.933595 The National Institute of Standards and Technology (NIST) recently introduced a new electronic approach for verifying microwave vectornetwork-analyzer (VNA) calibrations with a single computer-controlled electronic verifi cation artifact. The verifi cation results are captured in easy-tounderstand performance metrics that, unlik...
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BACKGROUND AND OBJECTIVE Patients with persistent asthma have different inflammatory phenotypes. The electronic nose is a new technology capable of distinguishing volatile organic compound (VOC) breath-prints in exhaled breath. The aim of the study was to investigate the capacity of electronic nose breath-print analysis to discriminate between different inflammatory asthma phenotypes (eosinophi...
متن کاملThe Differential Analyzer. a New Machine for Solving Differential Equations
I. This paper will describe a new machine for the solution of ordinary differential equations recently placed in service at the Massachusetts Inst i tute of Technology. First, there will be outlined some of the objectives in view, and the general philosophy underlying the development of this type of analyzing device. Various serious mechanical problems have of necessity been met in the effort t...
متن کاملParallel Fixed Point Digital Differential Analyzer
Universidad Politecnica de Valencia . Camino de Vera, 14 46071 Valencia SPAIN e-mail: [email protected]@dsic .upv.es Tel.+(34) 6 3877351 FAX: +(34) 6 3877359 Two main serial algorithms to scan convert straight lines have been proposed: Bresenham and Digital Differential AnalyzeLThe Bresenham algorithm has became a standard because of integer arithmetic . Many theoretical solutions ha...
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Background & Aim: One of the unknown equipment inside our country, especially for researchers, is the DMA system, which used to particle size distribution, especially for nanoparticles. The purpose of this paper was to review the studies carried out in this field, assessment of the evolution and importance of the application of this system and introduce the true position of this system among re...
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ژورنال
عنوان ژورنال: American Journal of Physics
سال: 1953
ISSN: 0002-9505,1943-2909
DOI: 10.1119/1.1933343