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单词 frequency hopping
释义

frequency hopping

noun [mass noun] Telecommunications
A method of transmitting radio signals more securely by repeatedly and rapidly changing the transmitter frequency, used to counter inteference, monitoring, etc. digital cell phones that use frequency hopping are safe from most commercial scanners...
  • The U.S. military considers a communication link using frequency hopping over 79 channels to be secure.
  • To achieve robust connections, Bluetooth employs several techniques: frequency hopping, adaptive power control, and short data packets.
  • The system employs wideband frequency hopping, coding and data diversity to achieve robustness against hostile jamming.
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更新时间:2024/9/20 12:12:14