Telecommunication Journal, 47. sējumsInternational Telecommunication Union, 1980 |
No grāmatas satura
1.–3. rezultāts no 77.
33. lappuse
... frequency . Note also that the sensitivity curves in figure 4 are functions of frequency ; the peak sensitivity to changes in sea surface temperature , for example , occurs near 5 GHz . It is this variation in sensitivity with frequency ...
... frequency . Note also that the sensitivity curves in figure 4 are functions of frequency ; the peak sensitivity to changes in sea surface temperature , for example , occurs near 5 GHz . It is this variation in sensitivity with frequency ...
331. lappuse
... frequencies to a particular user is achieved in three different ways . In some services , the FCC has approved a frequency coordinator who may deal with all of the frequencies allotted to a given service . In others , a coordinator may ...
... frequencies to a particular user is achieved in three different ways . In some services , the FCC has approved a frequency coordinator who may deal with all of the frequencies allotted to a given service . In others , a coordinator may ...
390. lappuse
frequency bands are orthogonally polar- ized . Receivers are designed to respond to only one polarization , so that the same frequency band can be used twice within the same coverage area . This technique has been employed for many ...
frequency bands are orthogonally polar- ized . Receivers are designed to respond to only one polarization , so that the same frequency band can be used twice within the same coverage area . This technique has been employed for many ...
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