基于交流阻抗法的蓄电池内阻测量
基于交流阻抗法的蓄电池内阻测量
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基于交流阻抗法的蓄电池内阻测量
尽管天线理论主要是基于对远场的研究,但是在网络及通信技术的飞速发展的今天,近距无线技术正在成为关注的焦点,应用场合也在不断扩大。例如,许多电子安检设备,如EAS(商品防窃检测)、RFID(射频识别)读写设备等,都要应用高效的近场通信天线。近...
Calculation of the Differential Impedance of Tracks on FR4 substrates There is a discrepancy between calculated and meas...
Calculation of the Differential Impedance of Tracks on FR4 substrates There is a discrepancy between calculated and meas...