计算机工程与设计
計算機工程與設計
계산궤공정여설계
COMPUTER ENGINEERING AND DESIGN
2014年
10期
3661-3666
,共6页
射频识别%柔性标签%圆弧形弯曲%垂直折叠%识读距离
射頻識彆%柔性標籤%圓弧形彎麯%垂直摺疊%識讀距離
사빈식별%유성표첨%원호형만곡%수직절첩%식독거리
RFID%flexible tag%arc curing%vertical folding%reading range
针对平面结构标签在使用过程中经常发生弯曲形变的问题，研究一种柔性标签发生圆弧形弯曲和垂直折叠形变时天线性能的变化以及对RFID系统识读距离的影响。介绍柔性标签天线的研究现状，分析影响RFID系统识读距离的关键因素，通过示意图阐述弯曲天线模型的建模方法，基于HFSS仿真分析阻抗、增益和辐射效率等的变化规律。通过实际测量验证了RFID系统识读距离的仿真结果及该方法的可行性。
針對平麵結構標籤在使用過程中經常髮生彎麯形變的問題，研究一種柔性標籤髮生圓弧形彎麯和垂直摺疊形變時天線性能的變化以及對RFID繫統識讀距離的影響。介紹柔性標籤天線的研究現狀，分析影響RFID繫統識讀距離的關鍵因素，通過示意圖闡述彎麯天線模型的建模方法，基于HFSS倣真分析阻抗、增益和輻射效率等的變化規律。通過實際測量驗證瞭RFID繫統識讀距離的倣真結果及該方法的可行性。
침대평면결구표첨재사용과정중경상발생만곡형변적문제，연구일충유성표첨발생원호형만곡화수직절첩형변시천선성능적변화이급대RFID계통식독거리적영향。개소유성표첨천선적연구현상，분석영향RFID계통식독거리적관건인소，통과시의도천술만곡천선모형적건모방법，기우HFSS방진분석조항、증익화복사효솔등적변화규률。통과실제측량험증료RFID계통식독거리적방진결과급해방법적가행성。
Aiming at the problems of curving of flat structure tags ,the influence of arc curving and vertical folding on the per-formance of a flexible tag antenna and the impacts on the RFID system reading range were studied .Firstly ,the development of the flexible tag antenna was reviewed .Secondly ,the key factors of the RFID system reading range were analyzed .Thirdly , modeling methods were elaborated by using the geometric sketch .The change of the impedance ,the gain and the radio efficiency were studied based on the HFSS .Finally ,the measurement of the RFID system reading range was carried out to verify the simu-lation results .T he research method is proved to be reliable .
