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。

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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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A receiver architecture is presented that utilizes the subsampling concept to down-convert the IF signal to a lower IF before been digitized.

提出了一个欠采样中频收发器的体系结构，它在中频数字化以前先通过欠采样将中频频率变到一个较低的频率。

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The cells that take an electrical signal, which is coming down your nerve and convert it into a muscle contraction work this way, so 'neuro' nerve, muscle junctions act based on ligand-gated ion channels.

依靠相同的工作原理,细胞将来自于神经的,电信号传递到细胞收缩肌中,所以神经和肌肉关节运动,都基于配体门控离子通道

耶鲁公开课 - 生物医学工程探索课程节选

Carmarthenshire county council turned down an application to convert the snooker hall on Wind Street to a club.

BBC: Wind Street in Ammanford

Griffin made a 15-yard reception in traffic to convert a key third down on the game-winning drive in Baylor's opening 50-48 victory against TCU. Better.

WSJ: RG3 Wins First Heisman for Baylor

Yes, Thai corporations need to bring down their debt levels or at least convert borrowings into longer-term liabilities.

CNN: REFORMING THE THAIS