Radio frequency identification (RFID) technique is a kind of wireless, automatic identification technology that is being widely used. Compared to other identification methods such as bar code and two-dimensional code (quick response code or QR code), the RFID technique has several remarkable merits, such as long reading distance, strong penetrating ability, pollution resistance, high reading efficiency, small size, and large information storage. However, the technique involves high cost and cannot be accepted by cost-sensitive commodities or applications. To reduce its cost, chipless RFID tags were proposed in recent years using surface acoustic wave (SAW) to read and store the information is one such RFID tags. The tags feature small size, high flexibility, strong radiation resistance, high consistency and repeatability, as well as high temperature stability. In this paper, we propose a novel design for the SAW-based RFID tags by using the commercial software COMSOL and analyze the performance of SAW tags with different structures.

中文翻译：

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基于多物理场建模的声表面波无芯片射频识别标签新设计

射频识别(RFID)技术是一种被广泛应用的无线、自动识别技术。与条码、二维码（快速响应码或二维码）等其他识别方式相比，RFID技术具有读取距离远、穿透能力强、抗污染、读取效率高、体积小等显着优点。 , 以及大量的信息存储。然而，该技术成本高，不能为成本敏感的商品或应用所接受。为了降低成本，近年来提出了使用表面声波（SAW）来读取和存储信息的无芯片RFID标签就是这样一种RFID标签。该标签具有体积小、灵活性高、抗辐射能力强、一致性和重复性高，以及高温稳定性。在本文中，我们使用商业软件 COMSOL 提出了一种基于 SAW 的 RFID 标签的新颖设计，并分析了不同结构的 SAW 标签的性能。