提出了一种基于多相滤波的宽带数字下变频技术。
This paper proposes a technique of wideband digital down-convert based on polyphase filtering.
数字下变频技术是软件无线电中的关键技术之一。
Digital down converting is one of the key technologies of software radio.
数字下变频技术是软件无线电中的关键技术之一。
Digital variable frequency is a key technology of soft radio.
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