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Design and Analysis of Digital Filter in Digital Down Converter
Abstract:
In this paper, based on the analysis and discussion of multistage decimation structure, we have studied and analyzed some key technologies of the digital filter in digital down conversion. Meanwhile, we have analyzed and summarized the decimation filter modules as CIC, HB, FIR of the digital filter, and a multistage decimation filter design program is given in this paper. An optimum design method is proposed in this article, which greatly reduce the complexity of system design and memory usage and has upgrade the data rate operation with great extent.
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2844-2849
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Online since:
January 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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