Huan Cui

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Top-N frequent item sets mining gets the interesting results by appointing the quantity of the most frequent item sets. It is an important data mining application. This article proposed a Top-N frequent item sets mining algorithm based on greedy method. The obtained Top-N item sets are stored in a static doubly linked list. Join two frequent item sets which(More)
As the typical CDMA application, the spread spectrum PRN codes in GPS are C/A code applied to standard positioning service and P code applied to precise positioning service presently. P code has a higher tolerance to jamming and spoofing compared with the C/A code, C/A code has short length and low data rate, and is vulnerable to interference and spoofing,(More)
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