نتایج جستجو برای: frequency

تعداد نتایج: 484143  

Journal: :Applied sciences 2021

In a frequency hopping spread spectrum (FHSS) network, the pattern plays an important role in user authentication at physical layer. However, recently, it has been possible to trace through blind estimation method for (FH) signals. If can be reproduced, attacker imitate FH signal and send fake data FHSS system. To prevent this situation, non-replicable system that targets layer of network is re...

Journal: :The Journal of Japan Institute for Interconnecting and Packaging Electronic Circuits 1997

Journal: :The Physics Teacher 2012

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