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In traffic environment, conventional FMCW radar with triangular transmit waveform may bring out many false targets in multi-target situations and result in a high false alarm rate. An improved FMCW waveform and multi-target detection algorithm for vehicular applications is presented. The designed waveform in each small cycle is composed of two-segment: LFM section and constant frequency section. They...
Aggregation modelling of wind farm includes equivalence of wind turbines and simplification of the collector system. Collector network is a significant part of the wind farm. Equivalent method of collector system is very important to the quality and the effectiveness of equivalent model for wind farms. As such, two different equivalent methods of collector system are studied. They are voltage-based...
This paper presents the characteristics analysis of wind farm to the participation of power grid frequency regulation. Wind farm is built by equivalent modeling method, and contains full-converter wind turbine generators (WTG) with Wind Turbine of Direct-Drive Permanent Magnet Synchronous Generator (DDPMSG). At first, model and control strategy of WTG with PMSG is introduced. Then single-machine equivalent...
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