Abhijit Patil

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The temporal scale effect of loading data on nitrate-nitrogen load computation was examined using outputs of watershed modeling tool Hydrologic Simulation Program-FORTRAN (HSPF) for the Amite River in Louisiana, USA. The daily nitrate-nitrogen concentrations simulated using the HSPF were employed first to obtain daily, weekly, bi-weekly, and monthly average(More)
Caesar cipher is an ancient, elementary method of encrypting plain text message into cipher text protecting it from adversaries. However, with the advent of powerful computers, there is a need for increasing the complexity of such techniques. This paper contributes in the area of classical cryptography by providing a modified and expanded version for Caesar(More)
  • M A Hirt, P Lestuzzi, M Badoux, P Bisch, Prof A Dazio, Prof L Stempniewski +17 others
  • 2006
Acknowledgements First, I would like to thank my supervisor, Dr. Pierino Lestuzzi, for offering me the opportunity to work at the applied computing and mechanics laboratory (IMAC). I am highly indebted for his continuous support, encouragement, and constant discussion throughout this research. I would also like to thank Dr. Marc Badoux who is the(More)
An integral approach to phase measurement is presented. First, the use of a high-resolution technique for the pixelwise detection of phase steps is proposed. Next, the robustness of the algorithm that is developed is improved by incorporation of a denoising procedure during spectral estimation. The pixelwise knowledge of phase steps is then applied to the(More)
The objective of this paper is to describe an integral approach - based on the use of a super-resolution frequency estimation method - to phase shifting interferometry, starting from phase step estimation to phase evaluation at each point on the object surface. Denoising is also taken into consideration for the case of a signal contaminated with white(More)
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