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In this paper, we propose an improved method of In-core neutron flux estimation using Inconel Self Powered Neutron Detectors (SPNDs). The method proposed here is based upon multi-sensor based particle filter utilizing a number of uniformly distributed SPNDs along with the out-core ionization chambers which measure the overall flux. The proposed method estimates the neutron flux of large non-linear...
Hydrogenated nanocrystalline silicon carbide (nc-SiC:H) films were prepared by hot wire chemical vapor deposition (HW-CVD) method using ethane (C2H6) as a carbon precursor. The influence of deposition pressure on structural and optical properties was investigated. The formation of nc-SiC:H films was confirmed by low angle x-ray diffraction (XRD), Raman spectroscopy and Fourier transform infrared (FTIR)...
Long-wavelength infrared (LWIR) detectors are important in many different applications such as space surveillance systems, low-background infrared seeker-tracker systems, remote environmental monitoring, remote analysis of gases in outer space, and remote temperature measurement. One primary concern with producing LWIR detectors is that they must be made with a material having an energy band gap small...
This paper presents the design details of newly developed high accuracy, compact, two axes Micro Digital Sun Sensor (Micro DSS) using linear Complementary Metal Oxide Semiconductor detector and N-shaped slit mask for Indian Satellite missions. Due to low mass, compact size and low power, the Micro Digital Sun Sensor is very much suitable for future micro/ nano-satellites as well as for communication...
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