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1)  instantaneous band
瞬时频带
2)  Instantaneous dominant frequency
瞬时主频
3)  Instantaneous frequency
瞬时频率
1.
Diagnosis method of instantaneous frequency for rotor impact-rub fault of aeroengine;
航空发动机转子碰摩故障瞬时频率诊断方法
2.
Ultrasonic signal process method based on instantaneous frequency;
基于瞬时频率的超声信号数字处理方法
3.
Study of analysis of instantaneous frequency in partial wave method;
论局域波法中瞬时频率分析
4)  Instantaneous median frequency
瞬时中频
5)  IFM
瞬时测频
1.
Research on Digital Channelized IFM Receive Technology;
数字信道化瞬时测频接收技术的研究
2.
At last,an IFM circuit was presented.
为提高测频精度,引入等效时钟技术,并给出了一种工程实现的数字计数瞬时测频电路。
6)  instantaneous frequency measurement
瞬时测频
1.
The instantaneous frequency measurement(IFM) technology is the key of the instantaneous frequency measurerement receiver.
瞬时测频技术是瞬时测频接收机的核心关键,对瞬时测频的误差产生原因进行了分析,并对误差来源进行了详细阐述,提出了能够减小误差的可行方案。
2.
Furthermore,by applying instantaneous frequency measurement algorithm to this system,we can get high estimation accuracy.
此外,还把瞬时测频算法应用到该系统中,取得了很高的测频精确度。
3.
Each of the two waveforms are effective against channrlized receivers and instantaneous frequency measurement receivers.
这两类波形分别是宽带线性调频波形和离散相位编码波形,对采用信道化技术和瞬时测频体制的侦察接收机,两类波形具有较好的隐身效果,按照现有技术,两类波形都是可以实现并在工程中应用的。
补充资料:瞬时
1.霎时;立刻。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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