Arup Roy Chowdhury

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Polyurethane diol (PUR-diol), a synthetic polymer, is widely used as a modifier for water-soluble resins and emulsions in wood appliances and auto coatings. Non-biodegradability of polyurethanes (PUR) and PUR-based materials poses a threat to environment that has led scientists to isolate microbes capable of degrading PUR. However, the bio-degradation of(More)
Finite state machines are widely used to model systems in diverse areas viz. sequential circuits, pattern matching, communication protocols (D. Lee, M. Yannakakis, Proceedings of IEEE 84 (8) (1996) 1090±1123). Autonomous machines (Cellular Automata or CA) belong to a special class of ®nite state machines where previous output acts as the present input.(More)
This work presents the design and simulation of a low power CMOS Sample and Hold OTA for a 16bit, 5Ms/S pipelined ADC. The designing of high precision amplifiers is challenging in modern CMOS process. It drives ADC design methodology towards advance calibration approaches and compromised with low SNR. This paper deals with advance design techniques for High(More)
We investigate the relation between the local variables of a discrete integrable lattice system and the corresponding separation variables, derived from the associated spectral curve. In particular, we have shown how the inverse transformation from the separation variables to the discrete lattice variables may be factorised as a sequence of canonical(More)
Charge Coupled Devices (CCD) detectors are frequently used in imaging payloads developed for different satellite applications like space based astronomy and earth observations. CCD's are being used for onboard/satellite applications as it provides lower noise and higher dynamic range than CMOS detectors. CCDs are available in various architectures hence(More)
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