“PDF417”可以造什么句，PDF417造句
来源：语文精选馆 1.71W
PDF417 code was examined with LS4804 scanning spear and auto-updated module data when material was moved out and checked.
首先将水印信息进行PDF417编码，并在密钥控制下进行混沌序列置乱后得到二值水印图像；
Firstly, it can be obtained 2-value watermark image by PDF417 coding to watermark information and chaotic sequence scrambling.
同时提出一种适用于PDF417纠错编码和译码的查表方法，可以简单确定任意码字在GF(929)内所对应的本原元的幂次。
Meanwhile, an error correction coding and decoding table-checking method suitable to PDF417 was proposed, which could decide any code corresponding to the power of the element in GF (929).
