digital down convert ddc 数字下变频
wideband digital down-convert 宽带数字下变频
digital orthogonal down convert frequency 数字正交下变频
digital up and down convert 数字上下变频
This system has adopted the algorithm of digital down convert FFT, so the frequency resolution is improved greatly.
使用先进的数字信号处理器,缩减了分立元件的数量,提高了系统的稳定性和扫频的速度;
The last part gives the test results of digital up convert and digital down convert system, produced by the experimental platform.
论文在最后给出了在处理机实验平台上进行的数字上下变频系统的实验结果。
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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