1) decimation in frequency
频率抽选
2) sampling frequency
抽样频率
1.
In an effort to reduce the difficulty of designing filters,the relations among the anti-aliasing filter′s roll-off rate,rank,sampling frequency and the recognition of analog-to-digital converter are discussed and analysed in detail,then a reasonable method to choose and design these three ones are presented including anti-aliasing filter,sampling frequency and A/D converter.
为有效降低滤波器设计的难度,在详细分析并讨论了抗混叠滤波器的陡度、阶数与信号抽样频率以及A/D转换器的分辨率之间的内在关系后,提出了抗混叠滤波器、抽样频率和A/D转换器三者之间合理权衡设计的方法。
3) decimation in frequency
频率抽取
1.
This paper introduces the design of a 3 780 points IFFT processor based on decimation in frequency (DIF) algorithm.
提出一种基于频率抽取算法的3780点IFFT处理器的设计方法。
4) frequency sampling
频率抽样
1.
In this paper a new application of genetic algorithm (GA) in FIR filter design with frequency sampling method is presented.
本文介绍了遗传算法在FIR滤波器设计———频率抽样法中的应用 。
5) pump freqneucy
抽运频率
6) frequency selection
频率选择
1.
Analysis on frequency selection of HF communication among the formation
编队内部短波通信频率选择分析
2.
By using the special reconstruction principle and the superiority in decreasing sampling frequency,the application of periodically nonuniform sampling in frequency selection is also presented.
介绍了用滤波器组重构多阶采样信号的原理 ,并且利用多阶采样特殊的重构原理以及在降低采样率上的优势 ,介绍了多阶采样在频率选择上的应用。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条