A anti counterfeiting method using CGH phase coding is presented in this paper.
提出一种计算全息位相编码防伪方法。
It can be used in production of anti-counterfeiting plastic film, paper and other packaging materials.
可用于生产防伪塑料薄膜，纸和其他包装材料。
Key technologies in safe-guarding and anti-counterfeiting system is studied in this paper.
本文对安全防伪系统实现的关键技术进行了研究。
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