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In this paper, we study the Cooperative Sensing Scheduling (CSS) problem for Cognitive Radio Network (CRN), from the perspective of balance between sensing performance and energy consumption. We place this problem in a practical scenario where both the primary users (PUs) and the secondary users (SUs) are heterogeneous: PU channels are different in terms of channel admission control, idle probability...
Wake flow effect is one of the critical factors affecting wind turbine arrangement, since it affects the scale and economic operation of wind farm as well as making full use of wind energy. This paper begins with analyzing wake flow factors, which is important for establishing wake flow model, and then discusses several models used presently. Finally, stressed the use of the turbulence model for wind...
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