Telecommunication Journal, 31. sējums,187-356. lapaInternational Telecommunication Union., 1964 |
No grāmatas satura
1.–3. rezultāts no 25.
285. lappuse
... path , in relatively low magnetic latitudes , to illustrate spread echoes " maximum usable frequency " because ... path involved ; the " lowest observed frequency " ( LOF ) denotes the lowest frequency on which signals transmitted from a ...
... path , in relatively low magnetic latitudes , to illustrate spread echoes " maximum usable frequency " because ... path involved ; the " lowest observed frequency " ( LOF ) denotes the lowest frequency on which signals transmitted from a ...
346. lappuse
... paths . In general , one , or perhaps two components predominate as far as the net signal strength is concerned . It is necessary to determine the important propagation path ( or paths ) in order to design efficient antennas . The ...
... paths . In general , one , or perhaps two components predominate as far as the net signal strength is concerned . It is necessary to determine the important propagation path ( or paths ) in order to design efficient antennas . The ...
347. lappuse
... path . In such cases the propagation paths may be highly asymmetric . For example , a signal may be reflected at the E layer along part of the path and at the F2 layer along the remainder of the path or , the height of the reflecting ...
... path . In such cases the propagation paths may be highly asymmetric . For example , a signal may be reflected at the E layer along part of the path and at the F2 layer along the remainder of the path or , the height of the reflecting ...
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