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Description of cover page picture/figure: Test Sample: InP nanowires on an InP substrate iii Acknowledgments All Praise and Thanks to ALLAH ALMIGHTY, the most BENEFICIENT & the most MERCIFUL, WHO made all this possible for us. First of all we would like to thank our supervisor Håkan Pettersson for giving us the opportunity to work in this interesting and cutting edge field and for his precious ...

Trees have assumed special importance after it was realized that trees could help reduce the emission of atmospheric carbon by trapping it in various pools of carbon viz. above ground biomass, below ground biomass, soil, litter and dead wood. Carbon sequestration through biomass seems to be a cheap and viable option to mitigate the increasing concentrations of greenhouse gases. The study attemp...

Mostly the systems are dealing with time varying signals. The Power efficiency can be achieved by adapting the system activity according to the input signal variations. In this context an adaptive rate filtering technique, based on the level crossing sampling is devised. It adapts the sampling frequency and the filter order by following the input signal local variations. Thus, it correlates the...

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