本文選題：陣列天線 + 小型化　； 參考：《南京信息工程大學》2017年碩士論文

【摘要】：隨著我國北斗導航系統(tǒng)的日益成熟、移動終端設備的快速發(fā)展以及設備智能化浪潮的到來,對天線技術提出了更高的要求。本文以北斗導航終端天線、手持終端智能天線以及近場賦形陣列天線為研究對象,設計了三款用于不同領域的典型陣列天線,其主要工作包括:1、根據(jù)一體化的設計理念,設計1款應用于北斗導航終端的小型化2×2陣列天線,尺寸大小只有120mm×120mm。并且制作了實物,實測的結果和仿真很好吻合,各方面的性能指標都滿足了設計要求。與傳統(tǒng)天線陣列的設計方法相比,該方法的優(yōu)勢在于,可以自由控制陣列中天線單元間的間距,來達到小型化的效果。2、根據(jù)能量傳輸最優(yōu)化理論,設計了一款用于手持終端的智能天線。設計了一款電壓控制電路來給天線陣列提供合適的激勵,取代了傳統(tǒng)的饋電網(wǎng)絡。仿真和實測結果都表明該設計達到了預期的設計要求,可以實現(xiàn)天線的方向圖在一定的角度范圍的任意的偏轉,同時提高了在所需方向上的天線增益。3、借鑒小型化天線陣列的設計方法,采用能量傳輸最優(yōu)化方法,設計了一款近場電場賦形天線,并將其應用到智能書架系統(tǒng)中。仿真和實測結果表明,在距天線上方170mm處近場區(qū)域內實現(xiàn)電場均勻分布的賦形效果,同時通過RFID系統(tǒng),可以準確的識別出書架中貼有RFID標簽的書本的數(shù)目。
[Abstract]:With the increasing maturity of Beidou navigation system in China, the rapid development of mobile terminal equipment and the arrival of intelligent equipment, the antenna technology has put forward higher requirements. Taking Beidou navigation terminal antenna, hand-held terminal smart antenna and near-field shaped array antenna as the research object, three typical array antennas used in different fields are designed in this paper. The main work includes: 1, according to the integrated design concept, A miniaturized 2 脳 2 array antenna used in Beidou navigation terminal is designed. The size of the antenna is only 120mm 脳 120mm. The measured results are in good agreement with the simulation, and all the performance indexes meet the design requirements. Compared with the traditional antenna array design method, the advantage of this method is that the spacing between antenna elements in the array can be freely controlled to achieve miniaturization effect. A smart antenna for handheld terminal is designed. A voltage control circuit is designed to provide a suitable excitation for the antenna array, replacing the traditional feed network. The simulation and experimental results show that the design meets the expected design requirements and can achieve arbitrary deflection of the antenna pattern in a certain angle range. At the same time, the antenna gain. 3 in the desired direction is improved. By using the design method of miniaturized antenna array and energy transmission optimization method, a near field electric field shaped antenna is designed and applied to the intelligent bookshelf system. The simulation and experimental results show that the shape effect of electric field is uniform in the near field area from the 170mm above the antenna. At the same time, through the RFID system, the number of books affixed with RFID tags in the bookshelf can be accurately identified.
【學位授予單位】：南京信息工程大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TN820

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本文編號：1902472