Transmission Analysis of Electromagnetic Induction Type RFID System -Transmission Characteristics between Two Resonant Circuits-

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  • 電磁誘導方式によるＲＦＩＤシステムの伝送特性解析　　―２つの共振回路間の伝送特性―
  • デンジ ユウドウ ホウシキ ニ ヨル RFID システム ノ デンソウ トクセイ カイセキ フタツ ノ キョウシン カイロカン ノ デンソウ トクセイ
  • —Transmission Characteristics between Two Resonant Circuits—
  • —2つの共振回路間の伝送特性—

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The transmission characteristics of the electromagnetic induction type RFID system are greatly influenced by the distance between primary and secondary antenna coils, and the constituted materials. In this paper, the induced current of secondary antenna coil is calculated by the 3-D FEM when both of primary and secondary antenna coils are operated on resonant circuits. As a result, the influences of these analyzed parameters on the transmission characteristics are clarified.

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