Abstract
A method for simulation of appearance of large, geometrically modeled environment in THz range is presented. Photon mapping technique is used with Monte Carlo photon sampling. Propagation of radiation within the scene is simulated for multiple discrete radiation frequencies, various materials are being modeled with emissivity, reflectivity and attenuation characteristics. The results are used to predict the answer of passive, multispectral terahertz detector matrix. Full Text: PDF References M. Dell?Anna, V. Antonov, D. Bagliani, M. Biasotti, J. L. Coutaz, F. Gatti, M. Kiviranta, S. Kubatkin, E. Otto and M. Sypek, "THz Spectroscopy Using Low Temperature Mesoscopic Devices", J. Low Temp. Phys. 167(3-4), 467 (2012). CrossRef H.W. Jensen, "Global Illumination using Photon Maps", Rendering Techniques ?96, 21-30 (1996) CrossRef J.T. Kajiya, The Rendering Equation, SIGGRAPH '86 Proceedings, 143-150 (1986). G. Ward, Measuring and Modeling Anisotropic Reflection, SIGGRAPH ?92 Proceedings, 265-272, (1992) The HITRAN Database, http://www.cfa.harvard.edu/hitran/ Link H. Kahn, Use of Different Monte Carlo Sampling Technique (Rand Corporation, 1955) DirectLink
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