Telecommunication Journal, 48. sējumsInternational Telecommunication Union, 1981 |
No grāmatas satura
1.–3. rezultāts no 88.
18. lappuse
... circuits plus two television channels . Unlike submarine cable systems , where planning philosophy more closely ... circuits actually in use at a given time . 30 20 10 1956 1960 1965 1970 1975 regional circuits 56 % intercontinental ...
... circuits plus two television channels . Unlike submarine cable systems , where planning philosophy more closely ... circuits actually in use at a given time . 30 20 10 1956 1960 1965 1970 1975 regional circuits 56 % intercontinental ...
28. lappuse
... circuits ) and satellite systems ( multipoint circuit distribution ) it is not sufficient to make comparisons in terms such as : capital outlay ; - - space segment investment ; incremental cost of providing a circuit . It is thus ...
... circuits ) and satellite systems ( multipoint circuit distribution ) it is not sufficient to make comparisons in terms such as : capital outlay ; - - space segment investment ; incremental cost of providing a circuit . It is thus ...
480. lappuse
... circuits , and OAB'C ' D , representing the amortization of the circuits actually in use . In the present case , the number N of circuits in use is an expo- nential function of time t : ( CR 500 concentration rate ) 1000 distance in km ...
... circuits , and OAB'C ' D , representing the amortization of the circuits actually in use . In the present case , the number N of circuits in use is an expo- nential function of time t : ( CR 500 concentration rate ) 1000 distance in km ...
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Basic Indices for Ionospheric Propagation | 6 |
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