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The problem for filtering certain classes of systems which incorporate nonlinear, uncertainty initial condition is addressed. An extended risk-sensitive filter (ERSF) is reexamined and, new iterated version of that ERSF called the iterated extended risk sensitive filters (IERSF) is developed. An ERSF weakness specifically accumulation error in the computing of innovation steps due to approximating...
Background An outbreak of acute encephalitis of unknown origin with high case fatality (183 of 329 cases) was reported in children from Andhra Pradesh state in southern India during 2003. We investigated the causative agent.Methods Cell lines and peripheral blood lymphocyte co-cultures were used to isolate the causative agent from clinical samples. Identity of the agent was established by electron...
A 1.32m long gravity core collected from the upper continental slope off Madras at 495 m water depth shows two distinct litho units - a lower (94-132 cm) greenish clayey sand unit with glaucony ranging from 60-90% and an upper (0-94 cm) greenish grey sandy clay unit with glaucony ranging from 1-20%. The formation of glaucony facies probably took place during late Pleistocene lowered sea level. The...
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