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A parallel feed patch antenna array is designed as the omni-directional antenna of the base station antenna.
针对中心站用的全向天线的高性能要求，设计了并行馈电的天线阵列。
A new type of MPPT(Maximum Power Point Tracing)control method for sinusoidal courrent parallel feed inverter is presented in connection with the characteristic of photovoltaic array model.
针对光伏阵列模型之特点，提出了一种具有最大功率点跟踪（MPPT）的新型光伏阵列正弦波并网逆变器控制方案。
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