Essays about: "Zhiwei Zhang"

Found 2 essays containing the words Zhiwei Zhang.

  1. 1. Design of 5G antenna arrays based on Multi-directivity

    University essay from Linnéuniversitetet/Institutionen för fysik och elektroteknik (IFE)

    Author : Zhiwei Wang; Shen Zhang; [2020]
    Keywords : 5G; antenna array; microstrip; feed network;

    Abstract : As communication technology evolves, the focus shifts to 5G. The discussion of 5G cannot be separated from a discussion of related antenna systems. Chapter 1 is a brief introduction to our work, which is an antenna array for a 5G communication system operating in the band 3.4 to 3. READ MORE

  3. 2. Capsule purchasing practices in Chinese pharmaceutical companies : a multiple-case study analysis

    University essay from Avdelningen för Industriell utveckling, IT och Samhällsbyggnad

    Author : Wei Wei; Zhiwei Zhang; [2012]
    Keywords : purchasing; purchasing strategy; capsule; pharmaceutical industry; China; multiple-case study;

    Abstract : China is now the main supplier in the generic pharmaceutical and bulk drugs supply market. The low-cost sourcing of raw materials from domestic manufacturers allows Chinese pharmaceutical companies to be competitive. READ MORE