نتایج جستجو برای: pqa

تعداد نتایج: 51  

2012
S. V. Sai

Definition is one of the most important parameters of the color image quality and is determined by the resolution of channel brightness and chromaticity. System resolution is traditionally determined by a number of the television lines, calculated on the maximal spatial frequency value at which threshold contrast of the reproduced image is provided. Traditional methods of definition analysis ar...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1993
V P Shinkarev Govindjee

Fluorescence of chlorophyll a (Chla) is a noninvasive and very sensitive intrinsic probe of photosynthesis. It monitors the composition and organization of the photosystems, the exciton energy transfer, the photochemistry, and the effects of various types of stress on plants. It is the most used as well as the most abused tool in photosynthesis. Thus, an understanding of its relationship to pho...

Journal: :International Journal of Electronics and Telecommunications 2023

Power quality (PQ) monitoring is important for both the utilities and also users of electric power. The most widespread measurement instrument used PQ PQM (Power Quality Monitor) or PQA Analyzer). In this paper we propose usage PMU data parameters monitoring. We present a new methodology classification based on data. proposed tested with real measurements performed in distribution system using ...

2012
Victor Y. Pan Guoliang Qian

Estimating the condition numbers of random structured matrices is a well known challenge (cf. [SST06]), linked to the design of efficient randomized matrix algorithms in [PGMQ], [PIMR10], [PQ10], [PQ12], [PQZa], [PQa], [PQZb], [PQZC], [PY09]. We deduce such estimates for Gaussian random Toeplitz and circulant matrices. The former estimates can be surprising because the condition numbers grow ex...

2016
Victor Y. Pan Guoliang Qian

Estimating the condition numbers of random structured matrices is a well known challenge (cf. [SST06]), linked to the design of efficient randomized matrix algorithms in [PGMQ], [PIMR10], [PQ10], [PQ12], [PQZa], [PQa], [PQZb], [PQZC], [PY09]. We deduce such estimates for Gaussian random Toeplitz and circulant matrices. The former estimates can be surprising because the condition numbers grow ex...

Journal: :Journal of Pharmaceutical Sciences 2021

Commercial specifications for a new biotherapeutic product are critical component of the product's overall control strategy that ensures safety and efficacy. This paper describes strategies setting commercial as proposed by consortium industry development scientists. The some attributes guided compendia regulatory guidance. For other quality (PQAs), knowledge understanding attribute criticality...

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