基于MSP430的智能就地显示涡街流量计 关键词：涡街流量计；MSP430；测频 [gap=629]Key Words：vortex flowmete；MSP430；frequency measurement
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信号高精度测频方法设计|电气工程及其自动化论文|电气毕业论文|自动化毕业论文网 关键词：插值多项式；测频；信号处理 [gap=1432]Key words: interpolation polynomial ；frequency estimation ；signal processing
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检测频率 Inspection frequency ; test frequency ; polling frequency ; Inspection frequency/ test frequency
闪光测频 frequency measurement by stroboscope
测频计 frequency meter
观测频率 [统计] observed frequency ; observational frequency ; observing frequency
全局观测频率模型 Global observed frequency model
局部观测频率模型 Local observed frequency model
用数字频率计测频 frequency measurement by digital meter
测频电桥 [电] frequency measuring bridge
用李沙育图形测频 frequency measurement by Lissajou's figure
The frequency-guided receiver requires target signal’s carrier frequency, gained by frequency measurement, to induct data rate conversion.
引导式接收需要采用测频方法得到目标信号载频，由测频结果引导后续数字信号处理器降低数据率。
参考来源 - 宽带高灵敏度数字接收机·2,447,543篇论文数据，部分数据来源于NoteExpress
瞬时测频接收机是电子战系统的重要组成部分之一。
Instantaneous frequency measurement (DIFM) receiver is one of important component part of EW system.
这样使测频误差在理论上只含有标准频率误差，可以使测量误差降低。
By doing so, there will only be standard frequency error in theory and decrease the measuring error greatly.
同时，根据测频的量值，由软件控制DDS完成对射频脉冲的搜索、跟踪。
Meanwhile, according to the measured value, RF can be searched and tracked by DDS controlled by software.
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