Telecommunication Journal, 31. sējums,187-356. lapaInternational Telecommunication Union., 1964 |
No grāmatas satura
1.–3. rezultāts no 85.
275. lappuse
... signals , this having been connected in a previous stage of para- metric amplifier manufactured by NEC for KDD's Space Communication Centre . The experiment was conducted to test the reception of telephone signals under limited ...
... signals , this having been connected in a previous stage of para- metric amplifier manufactured by NEC for KDD's Space Communication Centre . The experiment was conducted to test the reception of telephone signals under limited ...
284. lappuse
... signal reflected twice at the F layer . In the ionogram shown in figure 5 , the junction frequency cannot be detected . Ionospheric irregularities scatter the radio signals and give rise to the spread echoes . The strength of the ...
... signal reflected twice at the F layer . In the ionogram shown in figure 5 , the junction frequency cannot be detected . Ionospheric irregularities scatter the radio signals and give rise to the spread echoes . The strength of the ...
285. lappuse
... signals transmitted from a sounder are observed on the ionogram , regardless of the propagation path involved ; 1 ... signals and give rise to the spread echoes . The strength of the scattered signal decays slowly with frequency near the ...
... signals transmitted from a sounder are observed on the ionogram , regardless of the propagation path involved ; 1 ... signals and give rise to the spread echoes . The strength of the scattered signal decays slowly with frequency near the ...
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