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Design of Digital Down-conversion Algorithm Based on FPGA
Author(s): 
Pages: 22-24
Year: Issue:  13
Journal: Video Engineering

Abstract: 数字下变频是射频拉远单元(RRU)中重要组成部分.研究了高倍抽取的数字下变频设计,重点分析了基于级联积分梳状滤波器、级联补偿滤波器、级联根升余弦滤波器的多级抽样频率算法.提出了一种数字下变频的FPGA实现方案,实现了高速、高性能的数字下变频.
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