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Trust in Peer to Peer network has the fuzzy feature, which cannot be represented by most of current distinct mathematic theory based trust models. To solve the problem, an interest domain partition based P2P intuitionistic fuzzy trust model IFTrust is proposed, which uses interest domains to represent the interest biases of different peers, and uses trust factors set as well as trust levels set to...
An algorithm is presented for direct acquiring PRN code based on sub-sampling, utilizing the auto correlation characteristic of the long period PRN code in DSSS (direct sequence spread spectrum) system. As decreasing signal-to-noise, the performance of algorithm is analyzed, and it is proved effectively by simulation, under sub-sampling.
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