Telecommunication Journal, 48. sējumsInternational Telecommunication Union, 1981 |
No grāmatas satura
1.–3. rezultāts no 81.
200. lappuse
... antenna dish . This is easily controlled when azimuth and elevation axes are used as their geometric positions are related to the Earth's gravitational field ( vertical and horizontal ) ; the cost ( between 60 000 and 100 000 dollars ) ...
... antenna dish . This is easily controlled when azimuth and elevation axes are used as their geometric positions are related to the Earth's gravitational field ( vertical and horizontal ) ; the cost ( between 60 000 and 100 000 dollars ) ...
331. lappuse
... antenna receive on - axis gain ( 61 dB ) = 1.26 × 106 = space - to - Earth path loss ( wanted signal path ) = RF power input to space station of the ith interfering satellite network = transmit antenna gain of the space station of the ...
... antenna receive on - axis gain ( 61 dB ) = 1.26 × 106 = space - to - Earth path loss ( wanted signal path ) = RF power input to space station of the ith interfering satellite network = transmit antenna gain of the space station of the ...
402. lappuse
... antenna elements and their equipment such as power dividers , links , etc. , it is possible to construct antenna systems of any polarization for VHF sound broadcasting ( 66-74 MHz and 87.5-108 MHz ) and all television bands : I , III ...
... antenna elements and their equipment such as power dividers , links , etc. , it is possible to construct antenna systems of any polarization for VHF sound broadcasting ( 66-74 MHz and 87.5-108 MHz ) and all television bands : I , III ...
Saturs
Basic Indices for Ionospheric Propagation | 6 |
ITU Publications | 12 |
News | 12 |
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