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Digital Down Conversion (DDC) is one of the key technologies for software radio, which converts high frequency data streams into low frequency data streams for easy subsequent real-time processing by DSP devices. This paper presents a under the digital frequency conversion method based on polyphase filtering. Using Field Programmable Gate Array (FPGA) under(More)
Many real-world domains are relational in nature, consisting of a set of objects related to each other in complex ways. Matrix factorization is an effective method in relationship prediction, However, traditional matrix factorization link prediction methods can only be used for non-negative matrix. In this paper, a generalized framework, itelliPrediction,(More)