1) amplitude demodulation
幅值解调
2) demodulating method of gear
齿轮幅值解调
1.
This Paper introduces the system of condition monitoring,the demodulating method of gear,And trigger collection vibration signal,the system of condition monitoring is very successful in fault diagnosis in 4-Stands continue cold roll mill.
介绍了振动在线监测系统的研制、齿轮幅值解调方法及振动信号的采集触发,并在四机架冷连轧机组上得到了成功的应用。
3) amplitude and phase demodulation
幅值和相位解调
1.
The amplitude and phase demodulation technique are introduced and applied effectively to gearbox fault diagnosis during run-up.
针对齿轮箱升降速过程中振动信号非平稳的特点,将阶次跟踪、角域平均和幅值、相位解调分析技术相结合,提出了基于幅值和相位解调分析的齿轮箱故障诊断方法。
4) digital amplitude demodulation
数字幅值解调
5) adjusting amplitude
调节幅值
1.
In this paper , the influences of adjusting amplitude at different velocities on the flow field and temperature field at the exit of tip cavity are investigated.
本文研究了不同速度调节幅值对铸嘴型腔流场和温度场的影响,通过仿真分析,结果表明:入口速度变化幅值越大,型腔出口处熔体速度、温度过渡到稳定速度、温度的时间越长。
6) amplitude modulation
幅值调制
1.
A DC high voltage amplifier developed using amplitude modulation includes an amplitude modulator, a power amplifier, a step-up transformer, and a linear detector.
该文提出一种调幅式直流高压放大器 ,它由幅值调制、功率放大、变压器升压、线性检波组成主回路 ,通过电压负反馈构成闭环控制。
2.
Amplitude modulation and frequency modulation are a common sight in rotating element bearing and gearbox vibration signals.
幅值调制和频率调制在滚动轴承和齿轮箱振动信号中是常见的现象,调制特征的识别和分析已广泛应用于机械振动监测与故障诊断。
3.
The relationships between the amplitude modulation in time domain as well as energy distribution in frequency domain and cavitation coefficients are achieved via model tests.
结合水轮机模型空化状态观测结果,对相应状态下监测的空化超声波信号进行小波包时频分布特性和频带能量分布特性分析,得出了水轮机空化超声波时域信号幅值调制特性和频域能量分布随空化系数变化的关系,验证了小波包频带分析技术对水轮机空化信号分析的有效性。
补充资料:幅值裕度
分子式:
CAS号:
性质:相角交界频率ωL(即开环频率特性相角ψ(ωL)=-180°时的频率)上。开环频率特性幅值。
CAS号:
性质:相角交界频率ωL(即开环频率特性相角ψ(ωL)=-180°时的频率)上。开环频率特性幅值。
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