被引量: 0发表: 2021年 The design of a commercial space infrastructure Space Services and Logistics, Inc. represents the complete engineering design of a technically and financially viable commercial space company. The final p... Nasa 被引量: 0发表: 2017年 ...
被引量: 0发表: 2021年 Watermark embedding and extracting method for protecting digital audio contents copyright and preventing duplication and apparatus using thereof In embedding a watermark in a digital audio contents, a model using a minimum audible limit of the digital audio contents is generated...