1) frequency-hour
频率小时
2) Wavelet Instantaneous Frequency Spectrum
小波瞬时频率谱
3) time_frequency wavelet
时频小波
5) minor repair frequency
小修频率
6) 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
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