Telecommunication Journal, 48. sējumsInternational Telecommunication Union, 1981 |
No grāmatas satura
1.–3. rezultāts no 81.
300. lappuse
... receivers per 1000 population - - 1.8 | - number of radio receivers per 1000 population 14.6 ratio of radio receiver per television receiver 8.3 1.0 20.0 - 2.4 293.7 300.7 1.2 23.6 5.5 67.7 159.2 49.1 2.1 46.2 22.5 174.5 612.2 3.5 1.3 ...
... receivers per 1000 population - - 1.8 | - number of radio receivers per 1000 population 14.6 ratio of radio receiver per television receiver 8.3 1.0 20.0 - 2.4 293.7 300.7 1.2 23.6 5.5 67.7 159.2 49.1 2.1 46.2 22.5 174.5 612.2 3.5 1.3 ...
531. lappuse
... receiver noise figure = 7.4 dB 1 0.05 0.1 0.2 0.3 0.5 0.7 1 2 3 5 7 receiver input voltage ( μV ) weak syllable to noise ratio ( dB ) 30 89 20 25 kHz PM / ACPM 0 12.5 kHz PM ACSB ACSB non psophometric AM SSB receiver noise figure = 7.4 ...
... receiver noise figure = 7.4 dB 1 0.05 0.1 0.2 0.3 0.5 0.7 1 2 3 5 7 receiver input voltage ( μV ) weak syllable to noise ratio ( dB ) 30 89 20 25 kHz PM / ACPM 0 12.5 kHz PM ACSB ACSB non psophometric AM SSB receiver noise figure = 7.4 ...
685. lappuse
... receiver per- formance attainable with these devices . At 0.8 to 0.9 μm wavelength , the Si RAPD receiver has the best sensitivity for digital systems , within 10 dB of the quantum noise limit , because of the high quantum efficiency ...
... receiver per- formance attainable with these devices . At 0.8 to 0.9 μm wavelength , the Si RAPD receiver has the best sensitivity for digital systems , within 10 dB of the quantum noise limit , because of the high quantum efficiency ...
Saturs
Basic Indices for Ionospheric Propagation | 6 |
ITU Publications | 12 |
News | 12 |
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