测试表明，优化后的电路在读写距离、电路尺寸、抗干扰性等方面都优于原样机。

Testing results show that the optimized circuit is superior to the original prototype in reading, writing distance, circuit size, and interference.

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分析了非接触式IC卡芯片耦台电源及读写距离的计算方法，并简要介绍了相关低压电路的设计技术。

Method of calculation for the non-contact IC card chip coupling power supply and the read and write distance were analyzed, and the relative low-voltage circuit designs were introduced.

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根据无线电波的传输机制建立起RFID系统信号损失模型，并推导出多读写器能够同时工作的安全距离。

Based on the mechanism of radio propagation, this paper builds an RFID signal loss model and calculates a safe working distance at which readers could operate simultaneously.

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