интеллектуальный микроволновой фотонный фронт радиочастоты и канал связи
2021-08-19
About Intelligent Microwave Photon RF,a variety of different frequency bands, communication standards, and wireless services continue to emerge, resulting in more and more obvious diversity and heterogeneity of wireless systems mainly manifested as A variety of different communication systems and standards coexist, such as 5G, which has begun to be commercially available, 4G, and 3G and 2G, which have a certain number of users.
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