نتایج جستجو برای: principle components analysis
تعداد نتایج: 3217971 فیلتر نتایج به سال:
A good design, development, and maintenance methodology for concurrent systems must be based on a deep recognition and understanding of the intrinsic characteristics of concurrent systems. Based on the author’s recognition and understanding of the wholeness principle of concurrent systems and the uncertainty principle in measuring and monitoring concurrent systems, a new design principle, named...
A good design, development, and maintenance methodology for concurrent systems must be based on a good recognition and/or understanding of the intrinsic characteristics of concurrent systems. Measuring and monitoring the behavior of a complex concurrent system is an indispensable way to achieve the reliability of the system. Based on recognition and/or understanding of the wholeness principle o...
an evaluation of the relationship between crop yield and soil properties would be useful in estimating the fluctuations in yield, and in an implementation of correct field management. the study was conducted in farmer operated wheat fields in sorkhankalateh district, 25 km northeast of gorgan, golestan province, iran. soil samples (0-30 cm depth) were collected just after crop planting at the e...
This paper presents a method based on chemometrics analysis to select the optimal wavebands for variety discrimination of Chinese cabbage seed by using a Visible/Near-infrared spectroscopy (Vis/NIRS) system. A total of 120 seed samples were investigated using a field spectroradiometer. Chemometrics was used to build the relationship between the absorbance spectra and varieties. Principle compon...
One traditional way to reduce the dimensionality of the data is to use some variant of principle component analysis, a technique that permits us to determine which traits are related. Nevertheless, if we wish to determine which societies are the most similar or different using the results of the derived principle components, difficulties begin to arise because, according to one factor, two soci...
A non-blind color image watermarking scheme using principle component analysis, discrete wavelet transform and singular value decomposition is proposed. The color components are uncorrelated using principle component analysis. The watermark is embedded into the singular values of discrete wavelet transformed sub-band associated with principle component containing most of the color information. ...
Drought stress is one of the most important abiotic stresses in crops that can reduce yield and yield components in terms of time, duration and severity of the stress. Current research was carried out in order to evaluate drought stress tolerance in rice genotypes. Experiment done in two separate schemes using randomized complete blocks design with three replications in Research Field, Faculty ...
the relative impacts of different types of land use on the surface water quality are yet to be ascertained and quantified. in this paper, the influence of different types of land use on surface water quality is investigated. rain events samples from different land use in the central plateau, iran, were analyzed for major ions. statistical analyses were employed to examine the statistical relati...
in order to estimate heritability and gene action for grain yield and its related traits in lentil, six basic generations were evaluated in a randomized complete block design with three replications in a field experiment. besides seed yield per plant, plant height, pod length, and 100-seed weight, the number of pods per plant, primary branches, clusters per plant, nodes per main stem, secondary...
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