【摘要】：將信息技術(shù)應(yīng)用到育種過程中可大大降低育種工作者的勞動強(qiáng)度,并且對提高育種效率具有重要研究意義。目前,利用手機(jī)NFC技術(shù)進(jìn)行作物育種信息采集的實(shí)際操作過程中,育種信息采集人員必須彎腰近距離讀取掛在離地面較近的電子標(biāo)簽,操作極為不方便。隨著智能手機(jī)的普及,使得以手機(jī)育種軟件作為載體,在農(nóng)作物育種時(shí)期遠(yuǎn)距離讀取田間作物上的電子標(biāo)簽成為迫切需要。本課題為實(shí)現(xiàn)這一目標(biāo)設(shè)計(jì)出一款便攜式UHF-RFID裝置,其工作原理主要通過手機(jī)藍(lán)牙控制射頻讀寫模塊來操作標(biāo)簽,并最終將標(biāo)簽信息返回到手機(jī)。本文從育種時(shí)期作物信息采集的需求出發(fā),在課題研究的基礎(chǔ)上,主要進(jìn)行了以下幾項(xiàng)的科研探索：包括硬件模塊的選型,各模塊電氣連接的PCB制板；安卓操作系統(tǒng)手機(jī)控制軟件的編寫；用HFSS對裝置的雙饋點(diǎn)陶瓷天線和標(biāo)簽天線進(jìn)行仿真結(jié)果分析；以及對使用過程中可能出現(xiàn)的情形進(jìn)行測試,研究分析了采集裝置合適的讀取角度和標(biāo)簽放置間距方案。具體來說,論文首先介紹了本課題研究的背景和意義、國內(nèi)外研究現(xiàn)狀、課題來源及作者的主要工作,并對課題的研究基礎(chǔ)做了闡述,包括RFID系統(tǒng)的基本組成、工作原理以及Android平臺的支持技術(shù)；接著對裝置硬件方案做了規(guī)劃,基于RFID系統(tǒng)工作原理和射頻電路設(shè)計(jì)的基礎(chǔ),論文對射頻模塊的外圍電路進(jìn)行了簡要分析,設(shè)計(jì)裝置的硬件電路板、安卓手機(jī)控制軟件,并對眾多超高頻電子標(biāo)簽進(jìn)行測試,權(quán)衡增益和尺寸選出合適的電子標(biāo)簽；接著為了避免裝置進(jìn)入盲區(qū)讀不到標(biāo)簽以及產(chǎn)生誤讀鄰近標(biāo)簽的情況發(fā)生,對標(biāo)簽天線和雙饋點(diǎn)陶瓷天線仿真,研究分析了裝置合適的讀取角度和標(biāo)簽放置間距；最后對裝置進(jìn)行測試。本文實(shí)現(xiàn)了育種采集人員在不彎腰的情況下通過手機(jī)控制裝置遠(yuǎn)距離讀取電子標(biāo)簽的目的,通過操作手機(jī)軟件,可以對標(biāo)簽進(jìn)行讀和寫操作。經(jīng)過田間測試,本文研究的結(jié)果獲得了預(yù)期的效果,效果令人滿意。
[Abstract]:The application of information technology in breeding process can greatly reduce the labor intensity of breeders, and it is of great significance to improve breeding efficiency. At present, in the actual operation process of crop breeding information collection by using mobile phone NFC technology, breeding information collector must bend over and read the electronic label hanging near the ground at close range, which is very inconvenient to operate. With the popularity of smart phones, it is urgent to use mobile phone breeding software as a carrier to read electronic tags from field crops from a long distance during crop breeding. In order to achieve this goal, a portable UHF-RFID device is designed in this paper. its working principle is mainly to operate the tag through Bluetooth control radio frequency reading and writing module of mobile phone, and finally return the label information to the mobile phone. Based on the needs of crop information collection in breeding period and on the basis of the research, this paper mainly carries out the following scientific research and exploration: including the selection of hardware modules, the PCB board with electrical connection of each module; The software of Android operating system mobile phone control is programmed, and the simulation results of double feed point ceramic antenna and label antenna of the device are analyzed with HFSS. And the possible situation in the process of use is tested, and the appropriate reading angle and label placement spacing scheme of the acquisition device are studied and analyzed. Specifically, the paper first introduces the background and significance of this research, the research status at home and abroad, the source of the topic and the main work of the author, and expounds the research basis of the subject, including the basic composition of the RFID system. Working principle and Android platform support technology; Then the hardware scheme of the device is planned. based on the working principle of RFID system and the basis of RF circuit design, the peripheral circuit of RF module is briefly analyzed, and the hardware circuit board of the device and Android mobile phone control software are designed. Many UHF tags are tested, and the appropriate tags are selected by weighing the gain and size. Then, in order to avoid the device from not reading the label in the blind area and misreading the adjacent label, the tag antenna and the double feed point ceramic antenna are simulated, and the suitable reading angle and label placement distance of the device are studied and analyzed. Finally, the device is tested. In this paper, the breeding collector can read the electronic label from a long distance through the mobile phone control device without bending down, and the label can be read and written by operating the mobile phone software. After field test, the results of this study have achieved the expected results, and the results are satisfactory.
【學(xué)位授予單位】：安徽大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：S126;S33

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本文編號：2487433