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Development of a 76 GHz millimeter-wave radar system for obstacle detection and collision avoidance of civil helicopters is discussed in this paper. To utilize low cost commercially available devices, the radar system is required to have a small power transmission, while maintaining high sensitivity and a long detection range. Firstly, the radar system is designed and realized by employing a simple...
A chiral nickel(II) complex of N,N,N′-tri(2-pyridylmethyl)-S-2-(aminomethyl)piperidine (S-P3pipda), [Ni(S-P3pipda)(H 2 O)](ClO 4 ) 2 ·H 2 O, 1, was prepared and its physicochemical properties were investigated by UV–Vis and circular dichroism (CD) spectroscopy, and cyclic voltammetry (CV). A racemic nickel(II) complex of N,N,N′-tri(2-pyridylmethyl)-dl-2-(aminomethyl)piperidine...
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