Telecommunication Journal, 48. sējumsInternational Telecommunication Union, 1981 |
No grāmatas satura
1.–3. rezultāts no 82.
194. lappuse
... signal may be expected to be high . However , the baseband of this signal extends upwards only to 6 MHz for the combined video and audio signal . Hence , the 30 MHz channel provides enough room for an assumed peak frequency deviation of ...
... signal may be expected to be high . However , the baseband of this signal extends upwards only to 6 MHz for the combined video and audio signal . Hence , the 30 MHz channel provides enough room for an assumed peak frequency deviation of ...
475. lappuse
... signal level pattern occuring in a practical radio system . Fading patterns are in the latter case recorded on ... signal and a photograph of the simulator set - up is shown in figure 3.4 . 3.2 PM tests The system set - up was as shown ...
... signal level pattern occuring in a practical radio system . Fading patterns are in the latter case recorded on ... signal and a photograph of the simulator set - up is shown in figure 3.4 . 3.2 PM tests The system set - up was as shown ...
533. lappuse
... signal and an inter- fering signal which reduces the wanted signal SINAD ratio to 12 dB . The test set - up used is shown in figure 3.5 . protection margin ( dB ) 12.5 kHz PM 25 kHz PM / ACPM 15 12 dB SINAD level + 10 dB 10 25 kHz 12.5 ...
... signal and an inter- fering signal which reduces the wanted signal SINAD ratio to 12 dB . The test set - up used is shown in figure 3.5 . protection margin ( dB ) 12.5 kHz PM 25 kHz PM / ACPM 15 12 dB SINAD level + 10 dB 10 25 kHz 12.5 ...
Saturs
Basic Indices for Ionospheric Propagation | 6 |
ITU Publications | 12 |
News | 12 |
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