نتایج جستجو برای: redundancy variations index

تعداد نتایج: 598588  

Journal: :Journal of Freshwater Ecology 2021

An understanding of the annual variations in phytoplankton community freshwater lakes, and drivers responsible for these variations, is essential lake management. In this study we collected analyzed seasonal samples assessed environmental variables Nansi Lake from 2011 to 2015, order identify dynamics main each phylum. The results showed that diversity followed cycles, which were interrupted by...

B. Maleki Vishkaei, , H. R. Pasandideh, , J. Safari , , M. EbrahimNezhad, ,

This paper proposes a new mathematical model for multi-objective redundancy allocation problem (RAP) without component mixing in each subsystem when the redundancy strategy can be chosen for individual subsystems. Majority of the mathematical model for the multi-objective redundancy allocation problems (MORAP) assume that the redundancy strategy for each subsystem is predetermined and fixed...

Journal: :Remote Sensing 2016
Eleni Dragozi Ioannis Z. Gitas Sofia Bajocco Dimitris G. Stavrakoudis

Monitoring post-fire vegetation response using remotely-sensed images is a top priority for post-fire management. This study investigated the potential of very-high-resolution (VHR) GeoEye images on detecting the field-measured burn severity of a forest fire that occurred in Evros (Greece) during summer 2011. To do so, we analysed the role of topographic conditions and burn severity, as measure...

2009
Snorre Aunet Hans Kristian Otnes Berge

In this article we compare a number of full-adder (1bit addition) cells regarding minimum supply voltage and yield, when taking statistical simulations into account. According to the ITRS Roadmap two of the most important challenges for future nanoelectronics design are reducing power consumption and increasing manufacturability (ITRS, 2005). We use subthreshold CMOS, which is regarded by many ...

Journal: :journal of industrial engineering, international 2010
j safari r tavakkoli-moghaddam

this paper proposes an efficient algorithm based on memetic algorithm (ma) for a redundancy allocation problem without component mixing (rapcm) in a series-parallel system when the redundancy strategy can be chosen for individual subsystems. majority of the solution methods for the general rapcm assume that the type of a redundancy strategy for each subsystem is pre-determined and known a prior...

The forest structure and stand composition are controlled by several physiographic factors, because these factors play an important role in control the physical and chemical conditions of the environment, including access to light, soil moisture, and nutrients. In this study, the physiographic characteristics indices of the study area including landform index, terrain shape index and aspect slo...

Journal: :Sig. Proc.: Image Comm. 2014
Tuan Tran Thai Jérôme Lacan Emmanuel Lochin

This paper introduces a redundancy adaptation algorithm based on an onthe-fly erasure network coding scheme named Tetrys in the context of realtime video transmission. The algorithm exploits the relationship between the redundancy ratio used by Tetrys and the gain or loss in encoding bit rate from changing a video quality parameter called the Quantization Parameter (QP). Our evaluations show th...

Redundancy allocation is one of the common techniques to increase the reliability of the bridge systems. Many studies on the general redundancy allocation problems assume that the redundancy strategy for each subsystem is predetermined and fixed. In general, active redundancy has received more attention in the past. However, in real world, a particular system design contains both active and col...

Journal: :New Phytologist 2021

Wood anatomical traits shape a xylem segment’s hydraulic efficiency and resistance to embolism spread due declining water potential. It has been known for decades that variations in conduit connectivity play role altering hydraulics. However, evaluating the precise effect of elusive. The objective here is establish an analytical linkage between grouping tissue-scale hypothesized increase brings...

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