Type

Sort by: Order: Results:

  • Genetic Programming Based Approach for Synchronization with Parameter Mismatches in EEG 
    Ahalpara, Dilip P.; Arora, Siddharth; SANTHANAM, M. S. (Springer Nature, 2009)
    Effects of parameter mismatches in synchronized time series are studied first for an analytical non-linear dynamical system (coupled logistic map, CLM) and then in a real system (Electroencephalograph (EEG) signals). The ...
  • AGN Feedback in Galaxy Groups: A Joint GMRT/X‐ray Study 
    Giacintucci, S.; Vrtilek, J. M.; O’Sullivan, E.; Raychaudhury, S.; David, L. P.; Venturi, T.; ATHREYA, RAMANA; Gitti, M. (AIP Publishing, 2009-12)
    We present an ongoing study of 18 nearby galaxy groups, chosen for the availability of Chandra and/or XMM‐Newton data and evidence for AGN/hot intragroup gas interaction. We have obtained 235 and 610 MHz observations at ...
  • AGN feedback in groups of galaxies: a joint X‐ray/low‐frequency radio study 
    Giacintucci, S.; O’Sullivan, E.; Vrtilek, J. M.; Raychaudhury, S.; David, L. P.; Venturi, T.; ATHREYA, RAMANA; Gitti, M. (AIP Publishing, 2010-07)
    We present an ongoing, low‐frequency radio/X‐ray study of 18 nearby galaxy groups, chosen for the evidence, either in the X‐ray or radio images, of AGN/intragroup gas interaction. We have obtained radio observations at 235 ...
  • Gated interferometric imaging of pulsars to detect off-pulse emission 
    ATHREYA, RAMANA; Basu, Rahul; Mitra, Dipanjan (IEEE, 2011-08)
    We detected off-pulse emission from two pulsars, B0525+21 and B204516, at 325 MHz using the Giant Metrewave radio telescope. Using the instrument as a high time resolution interferometer and off-line gating we imaged the ...
  • Sub‐Planck structures and Quantum Metrology 
    Panigrahi, Prasanta K.; KUMAR, ABHIJEET; Roy, Utpal; Ghosh, Suranjana (AIP Publishing, 2011-09)
    The significance of sub‐Planck structures in relation to quantum metrology is explored, in close contact with experimental setups. It is shown that an entangled cat state can enhance the accuracy of parameter estimations. ...
  • Multichannel digital watermarking of color images using SVD 
    Agarwal, Rashmi; SANTHANAM, M. S.; Venugopalan, K. (IEEE, 2011-11)
    In this paper we propose a new invisible, non-blind digital watermarking scheme for color images based on singular vector domain (SVD). In this new approach, same or different watermarks can be embedded into the three color ...
  • Gray Image Extraction Using Fuzzy Logic 
    MONDAL, KOUSHIK; Dutta, Paramartha; Bhattercharyya, Siddhartha (IEEE, 2012-03)
    Fuzzy systems concern fundamental methodology to represent and process uncertainty and imprecision in the linguistic information. The fuzzy systems that use fuzzy rules to represent the domain knowledge of the problem are ...
  • Mixed Covering Arrays on Hypergraphs 
    YASMEEN; MAITY, SOUMEN (Springer, 2012-08)
    Mixed covering arrays are natural generalizations of covering arrays that are motivated by applications in software and network testing. A strength three mixed covering array C is a k×n array with the cells of row i is ...
  • Calorimetric study of the superconducting and normal state properties of Ca(Fe1−xCox)2As2 
    Abdel-Hafiez, M.; Harnagea, L.; SINGH, S.; Stockert, U.; Wurmehl, S.; Leps, N.; Klingeler, R.; Wolter, A U.B.; Büchner, B. (IOP Publishing, 2012-09)
    We present a calorimetric study on single crystals of Ca(Fe1−xCox)2As2 (x = 0, 0.032, 0.051, 0.056, 0.063, and 0.146). The combined first order spin-density wave/structural transition occurs in the parent CaFe2As2 compound ...
  • Efficient Fuzzy Rule Base Design Using Image Features for Image Extraction and Segmentation 
    MONDAL, KOUSHIK; Dutta, Paramartha; Bhattacharyya, Siddhartha (IEEE, 2012-12)
    Fuzzy rule base design for image segmentation and subsequent extraction becomes a popular one in the field of image processing. It is important to find visual attention regions with the help of low cost solutions. The aim ...
  • Entanglement distillation using various quantum channels 
    Verma, Akash; Pandey, Abhinav; NANDAN, SANKET; Panigrahi, P. K. (IEEE, 2014-01)
    Long distance communication using quantum systems has been an area of great interest. The use of quantum repeaters in quantum systems is essential for successful long distance communication. The use of quantum memories in ...
  • Field emission properties of vertically grown Carbon Nanotubes, Nanoflakes and mechanically exfoliated Highly Oriented Pyrolitic Graphite: A comparison 
    DHARMADHIKARI, CHANDRAKANT V.; Kolekar, S. K.; Kaushik, Vishakha; Vankar, V. D.; Patole, S. P.; Yoo, J. B. (IEEE, 2014-09)
    Field emission properties of vertically grown Carbon Nanotubes (CNTs), Nanoflakes (CNFs), and mechanically exfoliated Highly Oriented Pyrolitic Graphite (ex-HOPG) has been investigated using digital Field Emission Microscopy ...
  • DEMM: A Meta-Algorithm to Predict the pKa of Ionizable Amino Acids in Proteins 
    Nguyen, T. B.; Tan, K.P.; MADHUSUDHAN, M. S. (Spriner, 2015)
    The protonation states of ionizable amino acid residues often have a direct influence on the functioning of a protein. The acid dissociation constant (in logarithmic scale, pKa) of these residues is hence an important ...
  • Analysis and evaluation of Observing System Simulation Experiments (OSSEs) forecast data for Indian summer monsoon 
    Deshpande, Medha; Mukhopadhyay, P.; Masutani, Michiko; Ma, Zaizhong; Riishojgaard, Lars Peter; Hardesty, Michael; Emmitt, Dave; Krishnamurti, T. N.; GOSWAMI, B. N. (Society of Photo-Optical Instrumentation Engineers, 2016-05)
    An attempt is made here to evaluate the skill of forecast during boreal summer monsoon regime over the Indian region using the Observation Simulation System Experiment (OSSE) with Doppler Wind LIDAR (DWL) onboard International ...
  • Investigation of thioglycerol stabilized ZnS quantum dots in electroluminescent device performance 
    Ethiraj, Anita Sagadevan; Rhen, Dani; Lee, D. H.; Kang, Dae Joon; KULKARNI, S. K. (AIP Publishing, 2016-05)
    The present work is focused on the investigation of thioglycerol (TG) stabilized Zinc Sulfide Quantum dots (ZnS QDs) in the hybrid electroluminescence (EL) device. Optical absorption spectroscopy clearly indicates the ...
  • Study of CdTe/CdS solar cell at low power density for low-illumination applications 
    Devi, Nisha; Aziz, Anver; DATTA, SHOUVIK (AIP Publishing, 2016-05)
    In this paper, we numerically investigate CdTe/CdS PV cell properties using a simulation program Solar Cell Capacitance Simulator in 1D (SCAPS-1D). A simple structure of CdTe PV cell has been optimized to study the effect ...
  • Multi-directional measurements of high energy particles from the Sun-Earth L1 point with STEPS 
    Goyal, S. K.; BAPAT, BHAS et al. (Society of Photo-Optical Instrumentation Engineers, 2016-07)
    Aditya Solar wind Particle EXperiment (ASPEX) is one of the scientific experiments onboard the Aditya-L1 mission, the first Indian solar mission planned to be launched in the year of 2019. The primary objective of the ASPEX ...
  • Identification of Extremely Large Scale Structures in SDSS-III 
    SANKHYAYAN, SHISHIR; Bagchi, J.; Sarkar, P.; Sahni, V.; Jacob, J. (Cambridge University Press, 2016-10)
    We have initiated the search and detailed study of large scale structures present in the universe using galaxy redshift surveys. In this process, we take the volume-limited sample of galaxies from Sloan Digital Sky Survey ...
  • k-space analysis of nanotriangle antenna 
    VASISTA, ADARSH B.; KUMAR, G. V. PAVAN (Optical Society of America, 2016-12)
    Herein we report our electromagnetic simulation studies on k-space patterns of anisotropic nanostructures using gold nanotriangle placed on glass substrate as a system. Our results knit far field patterns with electric ...
  • Generating Test Suites with High 3-Way Coverage for Software Testing 
    AKHTAR, YASMEEN; MAITY, SOUMEN; CHANDRASEKHARAN, RESHMA C. (IEEE, 2016-12)
    Software testing is the process of executing a program or system with the intent of finding errors. Budgets assigned for software testing are generally limited. Performing exhaustive testing which tests all possible input ...