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Danh mục TaiLieu.VN
An understanding of the public switched telephone network (PSTN) and how it is potentially going to be replaced is best grasped by understanding its three major components: access, switching, and transport. Access pertains to how a user accesses the network. Switching refers to how a call is “switched” or routed through the network, and transport describes how a call travels or is “transported” over the network.
278 p dtu 20/11/2012 157 1
Từ khóa: Voice over 802.11, telephone network, electromagnetic wave, sóng điện từ, thiết bị mạng, công nghệ mạng
Electromagnetic Waves and Antennas
This book provides a broad and applications-oriented introduction to electromagnetic waves and antennas. Current interest in these areas is driven by the growth in wireless and fiber-optic communications, information technology, and materials science. Communications, antenna, radar, and microwave engineers must deal with the generation, transmission, and reception of electromagnetic waves. Device engineers working on ever-smaller integrated...
406 p dtu 06/11/2012 187 2
Từ khóa: Electromagnetic Waves and Antennas, electromagnetic waves, electromagnetic waves, viễn thông không dây, kỹ thuật viễn thông, công nghệ viễn thông