People of service: A brief history of the Manitoba Telephone

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One of the company’s earliest product line expansions included the production of telephone switchboards. Figure 4.39 is a graph that is used to evaluate αn, which depends on the frequency and the physical Figure 4.38 Path loss comparison for passive reflectors. (a) Path with no passive; L L1 – Gt – Gr. (b) Single passive, far field; L L1 L 2 – G t – Gp – G. r (c) Single passive, near field; L L2 – Gt – Gr – αn. (d) Double passive, far field; L L1 L2 L3 – Gt – Gpa – Gpb – Gr. (e) Double passive, close coupled; L L1 L2 – Gt – Gpa – αc – Gr. 190 Chapter Four dimensions of the system.

Pages: 36

Publisher: The System (1981)


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