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1 Jun 08, 2017
TIME DOMAIN ANALYSIS OF LOSSY TRANSMISSION LINES USING FDTD TECHNIQUE

With the rapid evolution of VLSI technology, minimum feature size and the distance between interconnections con-tinue to decrease. Thus transmission line effect such as crosstalk plays an important role in determining system per-formance. A transient analysis of CMOS logic gates driving coupled RLC transmission lines is presented in this paper for both 90 and 65 nanometer technologies. A linear resistor model is used to approximate the CMOS driver stage and the CMOS receiver is modeled as a parallel RC loads. The lossy trans-mission line is analyzed in the time domain using Finite-Difference Time-Domain (FDTD) method. Some results are discussed to give insight into the crosstalk and propagations delay problems in VLSI circuits. The FDTD algorithm dis-cussed in this study is implemented using the MATLAB programming language. To validate the FDTD computed results, PSPICE simulations are run and results are com-pared....

Authors: Mouloud Satar, Hassan Belahrach, Abdelilah Ghammaz.

2 Jun 08, 2017
MORPHOMETRIC ANALYSIS OF NAR RIVER BASIN, RAMPUR BAGHELAN BLOCK, SATNA DISTRICT (M.P.) USING REMOTE SENSING AND GIS TECHNIQUE

In the present paper, an attempt has been made to study the drainage morphometry of Nar river basin. A drainage map of the study area has been prepared with the help of Arc GIS 10.3.1 The present study deals mainly with the geometry, more emphasis being placed on the evaluation of morpho-metric parameters such as stream order (Nu), stream length (Lu), bifurcation ratio (Rb), drainage density (D), stream frequency (Fs), elongation ratio (Re), circularity ratio (Rc) and form factor ratio (Rf) etc.The Morphometry analysis is mathematical calculation of the parameter likes stream or-der, bifurcation ratio, and drainage density and so on. study area selected is Nar river basin which is located in Rampur Baghelan block of Satna district of Madhya Pradesh state and covered between Longitude 80°58'40.546"E to 81°8'53.944" E and Latitude between 24°37'56.971"N 24°22'52.068"N. Different Morphometric parameters were calculated by spatial and nonspatial analysis of drainage basin with the help of Arc GIS software. The drainage densi-ty (Dd) of study area is 1.65 km/sqkm2.This study would help the local people to utilize the resources for sustainable development of the basin area....

Authors: Shweta Rai, Shyam Avtar, Shashikant Tripathi.

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