| 摘要: |
| 介绍一种用FPGA实现的中频数字化接收机数字下变频器，重点介绍了数字下变频器原理、能够降低运算工作量的多相滤波处理结构和分布式算法，给出了设计应用的实例。 |
| 关键词: 软件无线电 数字化接收机 数字下变频器 数字滤波器 FPGA |
| DOI：10.3969/j.issn.1001-893X. |
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| 基金项目: |
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| A Digital Down Converter Based on FPGA |
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| Abstract: |
| A kind of Digital Down Converter(DDC) developed on FPGA is discussed. The principle of DDC, the poly-phase network and Distributed Arithmetic are mainly discussed. An example for implementing a Digital Down Converter based on FPGA is given. |
| Key words: Software radio,Digitalized receiver,Digital down converter(DDC),Digital filter,FPGA, |
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