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A plane wave impinges on a laterally double-periodic inhomogeneous lossy dielectric structure. Using a wave splitting approach, and an expansion of the fields and permittivity in global and local basis functions, respectively, the scattered fields are determined via a propagator. The formulation is useful for a permittivity which varies abruptly as well as in a continuous fashion. A subdomain basis
Management scholars have long separated the study of opportunity creation and discovery, assuming that the nature of opportunities itself is not affected by information acquisition. Research on judgment and decision-making challenges this assumption, confirming that we judge the nature of opportunities in large part by the way we acquire information about it. Management theorists have yet to diges
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Too Many Doing Too Little On Contemporary European Film Production Cultures In a majority of Western European countries, the two concurrent, post-World War II tendencies of increasing economic difficulties for the national film industries and the developing recognition of film as a significant contemporary art form were imperative for the introduction of film support. With Hollywood dominating sc
This thesis is about the flight of vertebrates and the studies of different modes of flight. Flight has always fascinated mankind and this fascination gave inspiration for our attempts at flying. Yet there are many different modes of flight among vertebrates and this thesis focuses mainly on the flapping flight of bats and intermittent flight of birds, as well as compares some of the factors conce
Homogeneous charge compression ignition (HCCI) is more efficient and produces significantly less NOx emissions compared to spark ignitions. Using an exhaust recompression strategy to achieve HCCI, however, produces cycle-to-cycle coupling which makes the problem of controlling combustion phasing more difficult. In the past, a linear feedback controller designed with a single linearized model is ef
