This paper reports an integration of dual band microstrip antenna with thin film amorphous silicon solar cell which creates a wearable system to harvest microwave energy. The multiple layers in the encapsulation of the thin film solar cell are used as a substrate for microstrip antenna. The rectifier and matching circuit are designed on cotton jeans material and the whole system is mechanically supported by the foam of 5 mm thick. The performance of the antenna is studied for the mechanical bending condition. The device has maintained good power conversion efficiency. The efficiency of the voltage doubler is tested by varying radio frequency power levels from −30 to10 dBm. The voltage doubler conversion efficiency at 1.85 and 2.45 GHz are 58 and 43%, respectively, for a load of 7.5 kΩ for an input power level of −5 dBm.

中文翻译：

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射频整流天线与薄膜太阳能电池的集成为可穿戴电子设备供电

本文报道了双波段微带天线与薄膜非晶硅太阳能电池的集成，它创建了一个可穿戴系统来收集微波能量。薄膜太阳能电池封装中的多层用作微带天线的基板。整流器和匹配电路采用棉质牛仔裤材料设计，整个系统由 5 毫米厚的泡沫机械支撑。在机械弯曲条件下研究了天线的性能。该器件保持了良好的功率转换效率。倍压器的效率通过从 -30 到 10 dBm 的不同射频功率电平进行测试。1.85 和 2.45 GHz 的倍压器转换效率分别为 58% 和 43%，负载为 7.5 kΩ，输入功率电平为 -5 dBm。