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二維條形碼的特性【步殼印刷​】

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2023-02-18 | 56 Views | Share:
二維條形碼的特性【步殼印刷​】

二維條形碼的特性步殼印刷


一般而言,二維條形碼的特性主要有以下幾個方面

1高密度(信息容量大),通過水平和垂直兩個方向來儲存數據,提高了條碼的信息密度,通常情況下,其密度是一維條碼的幾十到幾百倍。

2)具有糾錯功能。二維條碼引入錯誤糾正機制,使得二維條碼因穿孔、污損等引起局部損壞時,照樣可以正確得到識讀,二維條碼的糾錯演算法與人造衛星和vCD等所用的糾錯演算法相同。

3)可表示多種語言文字,多數二維條碼具有位元組表示模式。將各種語言文字信息轉換成位元組流,然後將位元組流用二維條碼表示

4)可表示圖像數據,圖像多以位元組形式存儲,與表示語言文字的方式相同,大容量、高密度的二維條碼可以實現對圖像的表示

5)可引入加密機制。比如用二維條碼表示照片時,可以先用一定的加密演算法將圖像信息加密,再用二維條碼表示,在識別時,運用相應的解密演算法,就可以恢復所表示的

 

二維條形碼的特性【步殼印刷】

二維條形碼的特性步殼印刷

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