Radio frequency identification is河呢 a non-contact automatic identi雜大fication technology. The speci車兵fic working principle is as follow兒書s: when an object equipped和討 with an electronic tag approaches t拍高he microwave antenna, the reader is con河人trolled to send out a microw就都ave inquiry signal. After the electro訊議nic tag installed on the surface of the和喝 object receives the query signa事他l sent by the microwave a門坐ntenna, it reflects the da件時ta information in the tag back 關了to the microwave antenna ac又月cording to the command分木 requirements in the 輛計query signal. After the microw新黑ave antenna receives the microwave s線有ynthesis signal reflected back b花從y the electronic tag, the informati理小on such as the identific有內ation code in the el自現ectronic tag can be separ明歌ated by the internal micropr熱兵ocessor of the reader. The identific章美ation information is transmitted to紅視 the control computer as the cha到謝racteristic data of t在信he object for further processin年算g, so as to complete the application o機場f information inquiry, stati購校stics and management relate厭愛d to the object. The entire iden友高tification work does not 歌著require manual intervention and can w有關ork in various harsh environments. 坐業RFID technology can identify hi電爸gh-speed moving objects and can厭家 identify multiple t訊資ags at the same time, and農路 the reader can determine whether the 商飛RFID tag has been repeatedly read.

The RFID system is generally composed o靜購f a reader, a transponder (t錯慢ag) and an application可輛 system, and transmits inf友議ormation between the re北人sponse medium and the interrogation 農行medium through electric wa房草ves. The reader is generally a readin看門g (and sometimes writing) d暗筆evice with an antenna and 姐我chip decoder. It can be des山舞igned as a handheld o友議r fixed type; the reader can read and i亮習dentify the stored i湖身n the electronic tag分麗 without contact Electronic data, so 做著as to achieve the purpose of automati金員cally identifying the body. Usuall長暗y the reader is connected to the comp銀子uter, and the read label在從 information is transmitted to 兒不the computer for further p兵化rocessing. The application system is 又店generally a wired or wire飛到less management system supported by a 聽又computer. Depending on differen東飛t application requirements, it is not n呢暗ecessary to have a background applicat器做ion system for a real-t靜數ime intelligent controll新爸er. Tags, mainly radio喝南 frequency tags, contain a呢到n antenna in the response en黃短d, and the two form a so-called "rada暗刀r transceiver", which e快對xists in the form of ca哥工rds, tags, etc.

The overall EPC network op微相eration relies on the int藍船ervention of the RFID system and山不 network application sy水少stem to enable the effective dis村低semination of product i章人nformation. The readers installe分相d in different demand c煙北hain environments can 南員read the product data stored in th多雪e label. Therefore, supply chain data c動林an be checked, updated or e的紅xchanged in a timely manner via the ne拍得twork.

EPC/RFID technology application

The application of the Intern農綠et of Things technology can ma能視ke e-commerce more powerful. It enables算錢 consumers to find any product in a歌要ny store on the Internet, and choose it計也 easily. In the field 西些of logistics, RFID ele對村ctronic tags can be applied to 高校many aspects such as automati兒跳c warehouse inventor厭玩y management, product logistics 門玩tracking, automatic supply chain manage畫話ment, product assembly and produ年就ction management, and 用去product anti-counterfeiting如學. Radio frequency identification (冷見RFID) devices, infrared sensors, g看家lobal positioning systems購嗎 and other devices are combined with t吃匠he Internet to form a huge制靜 network, so that all城訊 items can be remotely 也微sensed and controlled, and connected 暗報with the existing network to那關 form a smarter production Life報紅 system.

The development trend o商鐘f the Internet of Things industry

Under the background tha看他t the country vigorously promo樂市tes the integration of industrializ黑長ation and informatization, the Inte志微rnet of Things will be a mor爸在e realistic breakthroug為務h in the informatization 但房process of industry and even mo機體re industries. Moreove大話r, RFID technology has some closed-費熱loop applications in multiple field外說s and industries. In thes森頻e first successful cases, item i劇裡nformation has been automatically c秒也ollected and online, and management ef相森ficiency has been greatl書麗y improved. Some of the dreams of the 林務Internet of Things have been partially醫音 realized. Therefore, the embryonic fo街吃rm of the Internet o如技f Things is like the early form o草從f the Internet, the local area ne坐購twork. Although its role is limited, t訊老he broad prospects that it shows嗎就 can no longer be questioned.