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low probability of intercept (LPI)

Low Probability of Intercept (LPI) is a technique designed to prevent eavesdropping on transmitter equipment.

The LPI technique relies on a wide variety of RF transmission techniques such as low transmit power, high transmit bandwidth, spread spectrum, frequency changes and time hopping such as FrequencyHopping Spread Spectrum (FHSS) or Time Hopping Spread Spectrum (THSS). These techniques provide some protection against interception of transmitting equipment such as radar. Electronic equipment and intelligent receiver systems with signal processing provide more extensive LPI protection.

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Englisch: low probability of intercept - LPI
Updated at: 07.12.2015
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