A zoom - FFT implementation based on the technology of digital down convert (DDC) is introduced in this paper. The key process and core problem of this method are discussed in detail.
本文提出了一种基于数字下变频(DDC)技术的快速局部细化频谱分析的方法，并探讨了算法实现中的关键步骤和需要注意的问题。
This paper proposes a technique of wideband digital down-convert based on polyphase filtering.
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.
提出了一种基于多相滤波的宽带数字下变频技术。
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