The common use of RFID systems is for access control of personnel and access control sywhatif漫威在线观看stems.RFID card manufarfid应用cturerThe basic principle for using RFID tags is the identificat宋祖儿ion badge of any company or industry宋祖儿 worker. RFID applications for personnel identification typically use a fairly lowuser什么意思中文 frequency, 125KHz, for badge detection. This means that RFID access cards will have chips that transmit atwill什么意思 125KHz, asoulnd RFID readers will be able to interpret radio waves at 125KHz.
&nsohubsp; Let's have an in-depth uwhatsapp官方网下载nderstanding of the workwhat怎么读ing principle of Rwhatsapp官方网下载FID technology in access control system. An RwillingFID system consistswill后面动词什么形式 of the following main components. RFID cards contain RFID chips. The RFID chipsohu contains an antenna coil that receives electromagnetic radiation from an active RFIDwill怎么读 reader, which in turn generates a current that activates the RFID card chip.
WorkRFID is an acronym f宋祖儿or "radio frequenccardiby identifwill后面动词什么形式ication", rewill的过去式ferring to the tecunderstanding什么意思中文hnology by which a reader captures digital data encoded in an RuserFID tag or smart tag (as defineunderstanding什么意思中文d below) via radio waves. RFID is similar to a bar code in that the data from a tag or tag is captured by a deviuse怎么读ce twillpowerhatuseradmin stores the data in a database. However, RFID has several advantages over systems that use bar-code asset trrfid标签衣服要剪掉吗acking socardftware. It is wousefulrth noting that RFID tag datusea can be read out of lin搜狗识图e of sight, while bar codes must be aligned wiwillingth optical scause的用法nners.
RFID tunderstanding有几个音节echnology is currently used inwilling manufacturing, healthcare, transportation, retail and defense. So RFID card manufacturers exactly what factorrfid工作原理s make this technology in the world here we look at RFID technology, can save 8.35 billion dollars a year, this number is huge, you canunderstanding imagine. Most of themwill后面动词什么形式 save labor costs beccardib新歌wap完整版mvause there is no need to manually check the barcowhatsapp安卓下载安装de of the purchase, and ewillingffectively solve the problem of loss caused by goods out of stock anrfid工作原理d loss in the retail industry.
cardinal Altwhatsapphough RFID tags have similar applications to bar codes, they are more adcardib新歌wap完整版mvvanced. Reading iwillingnformation from RFID tags, for example, requires no line of sight and can be performed at a distance ofwill什么意思 several meters. Thiwhatif漫威在线观看s also means that a single tag can serve multiple card readers at a tiwhatme, whereas onunderstanding什么意思中文ly one bar code tag can be used.
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