Low earth orbit satellite internet broadband signal searching method and system based on signal-to-noise ratio
The invention discloses a low earth orbit satellite internet broadband signal searching method and system based on a signal-to-noise ratio, relates to the field of wireless communication radio frequency, and solves the problems that an existing signal-to-noise ratio searching method is poor in resol...
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| creator | FENG DESHUN ZENG ZHUO LI ZHAOPENG LU GUOLIN ZHU XIANGYU ZENG LING ZENG MAOSHU |
| description | The invention discloses a low earth orbit satellite internet broadband signal searching method and system based on a signal-to-noise ratio, relates to the field of wireless communication radio frequency, and solves the problems that an existing signal-to-noise ratio searching method is poor in resolution scale, depends on prior noise power, is inaccurate in power statistics, is poor in instantaneous interference resistance and the like. By gradually reducing the statistical scale of the power and a corresponding algorithm, the useful power and the noise power are separated from the sub-frequency band where the broadband signal is located, the statistical process of the noise power when no signal exists in a traditional search method is avoided, and the accuracy and the real-time performance of the statistical of the useful power and the noise power are also remarkably improved. The statistical result is insensitive to the duration of the broadband signal, and the change of the duration of the signal has littl |
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| subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION |
| title | Low earth orbit satellite internet broadband signal searching method and system based on signal-to-noise ratio |
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