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Microwave transmission is the transmission of information by electromagnetic waves with wavelengths in the microwave frequency range of 300 MHz to 300 GHz (1 m - 1 mm wavelength) of the electromagnetic spectrum. Microwave signals are normally limited to the line of sight, so long-distance transmission using these signals requires a series of repeaters…
Applications & Technology
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microwave relay radio used link links systems frequency telephone transmission use communication networks television microwaves satellites needed communications long-distance technology
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Microwave transmission | is a | transmission of information by electromagnetic waves with wavelengths in the microwave frequency range of 300 MHz to 300 GHz | 0.90 | text |
| wireless networks | instance of | there has been an explosive increase in use of the microwave spectrum by new telecommunication technologies | 0.80 | text |
| and direct-broadcast satellites which broadcast television | instance of | there has been an explosive increase in use of the microwave spectrum by new telecommunication technologies | 0.80 | text |
| radio directly into consumers' homes | instance of | there has been an explosive increase in use of the microwave spectrum by new telecommunication technologies | 0.80 | text |
| large radio towers in order to be able to avoid the obstructions closer to the ground | instance of | and are installed in elevated locations | 0.80 | text |
| transmit across long distances | instance of | and are installed in elevated locations | 0.80 | text |
| frequency reuse | instance of | motivating the use of techniques to increase transmission capacity | 0.80 | text |
| polarization-division multiplexing | instance of | motivating the use of techniques to increase transmission capacity | 0.80 | text |
| XPIC | instance of | motivating the use of techniques to increase transmission capacity | 0.80 | text |
| MIMO.HistoryThe history of radio relay communication began in 1898 with the publication by Johann Mattausch in the Austrian journal | instance of | motivating the use of techniques to increase transmission capacity | 0.80 | text |
| Zeitschrift für Elektrotechnik | instance of | motivating the use of techniques to increase transmission capacity | 0.80 | text |
| fiber-optic cable | instance of | when the technology lost its share of fixed operation to newer technologies | 0.80 | text |
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