條形碼掃描機 的英文怎麼說
中文拼音 [tiáoxíngmǎsǎomiáojī]
條形碼掃描機
英文
ar code sca er-
For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”
本文主要開展了以下三項研究工作: （ 1 ） .用自定義編碼方案，將數字和字母（ ascii碼）轉換成二值條碼圖;對該圖形進行振幅型雙隨機相位加密變換，得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗，證明本文提出的「矩陣擴展法」灰度圖具有較小的誤碼率，對於20次列印-掃描實驗，誤碼率不大於0 . 0026 。As the grocery items moves along the conveyor belt, the checker passes each item over a glass plate in the counter top, making sure that the upc symbols can be read by the laser beam under the glass
食品雜貨經傳送帶傳到收款員跟前，收款員隨即將每一物品擱在櫃臺上的一塊玻璃板上一掃，好使板下的掃描機閱讀條形碼。Pulsar is metrologic s triggerless, entry - level hand - held laser bar code scanner
是metrologic公司生產的一種無扳機觸發入門級的手持式激光條形碼掃描儀。Our company provides all kinds of self - adhesive bar code labels with different specs, bar code label printer with many brands, scanner, and the correlative equipments with various bar code labels, all - in - one equipment, fingerprint time attendance & access control, and guardscan, etc
本公司提供各類不同規格的不幹膠條形碼標簽，多種品牌的條形碼標簽列印機，掃描槍，各類條形碼標簽相關設備和一卡通產品，指紋考勤門禁設備，巡更產品等。分享友人