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In this research, a goal has been to explore the design of the generator for a megawatt level DC power system. Population-based multi-objective optimizations have been performed for several machine/rectifier alternatives, including permanent magnet synchronous machines (PMSMs) with active rectifiers and wound rotor synchronous machines (WRSMs) with active and passive rectifiers. From the optimizations,...
For bearings-only target localization in passive sensor networks, a novel analysis approach based on fuzzy geometry is introduced to investigate the fuzzy measurability for a moving target in R2 space. The fuzzy analytical bias expressions are derived. And the interplay between fuzzy localization geometry and the fuzzy estimation bias for the case of fuzzy triangular grid deployment is analyzed in...
The 2-dimensional frequency domain formulation for Bistatic SAR image formation received intensive and continuous interests recently. Due to the double square roots in the range equation, additional efforts have to be taken in deriving its point target reference spectrum. Loffeld's bistatic formula and the spectrum based on the method of series reversion are both derived for general bistatic geometries,...
This paper concentrates on the focusing for hybrid bistatic SAR configurations, consisting of a space borne/airborne carrier configuration with considerable differences in velocities and altitudes of transmitter and receiver. Therefore the direct implementation of a bistatic SAR focusing algorithm based on Loffeld's bistatic formulae (LBF) cannot be readily applied. An extension of the bistatic point...
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