1) intensity fluctuation frequency
强度波动频率
2) salinity fluctuation frequency
盐度波动频率
3) fluctuation frequency
波动频率
1.
The effects of distance between the feedback mirrors (plane mirror or phase conjugate mirror) and laser on the laser intensity fluctuation and fluctuation frequency are abserved.
报道了平面镜和自泵浦相位共轭镜反馈Ｈｅ－Ｎｅ激光器的非稳特性，观测了反馈镜位置对激光光强起伏及波动频率的影响，即在半腔长的整数倍附近，激光光强具有较大的起伏和秒量级的准周期振荡，并对其产生机理进行了分析。
4) frequency fluctuation
频率波动
1.
In this paper, after considering Kerr nonlinear effect,group velocity dispersion of host,gain spectrum,gain saturation of amplifying medium and frequency fluctuation of optic pulse.
本课题在同时考虑了增益介质的非线性效应、群速度色散、增益饱和、增益谱以及光脉冲频率波动时，对啁啾宽光谱脉冲在钕玻璃放大介质中的传输特性进行研究。
2.
For the unsynchronized sampling sequence caused by frequency fluctuation of power system,the simulation is performed via MATLAB code on the conventional FFT algorithm the interpolation algorithm with Blackman window,and the interpolation algorithm with Blackman-Harris window,respectively.
针对实际电网频率波动引起的非同步采样,通过MATLAB软件对普通FFT算法、加Blackman窗和加Blackman-Harris窗的插值算法进行仿真。
3.
Simulation results show that Kaiser window function can be designed and realized neatly and restrains spectral leakage well;the influences of fundamental frequency fluctuation on harmonic analysis are restrained by using the approach presented in this paper;the relative errors of calculating fundamental frequencies with 21 order harmonics are no more than 1.
仿真结果表明:Kaiser窗函数设计实现灵活、抑制频谱泄漏效果好,Kaiser窗相位差校正算法克服了基波频率波动对谐波分析的影响,对含21次谐波信号的基波频率计算相对误差仅为1。
5) intensity fluctuation
强度波动
1.
Time jitter and intensity fluctuation induced by the polarization dismatch in NOLM;
非线性光纤环镜中偏振失配所致时间抖动和强度波动
2.
It is obtained by simulation that the pedestal, waveform broadening and the intensity fluctuation of the output pulse are induced by the phase dismatch.
指出相位失配造成NOLM输出脉冲产生脉座和展宽并导致强度波动,严重影响NOLM性能。
3.
It is obtained by simulation that time jitter and intensity fluctuation of the output signal are induced by the time dismatch.
研究结果表明,时间失配引起输出脉冲波形畸变、产生脉座、造成一定的强度波动,并且引起输出脉冲时间抖动,脉冲的码率越高,时间抖动也随之急剧增大。
6) Strength fluctuation
强度波动
1.
The strength fluctuation of commercial concrete (C20～C40) produced by the Shanghai Jianguo & Jianhui Concrete Co.
对 1 999年 5月至 2 0 0 0年 4月生产的上海地区常用商品混凝土 (强度等级为C2 0～C40 )的强度波动情况进行了剖析 ,结果表明 :混凝土 2 8d抗压强度月平均值夏季高于冬季 ,且随强度等级的降低而更加明显 ;混凝土强度随水泥强度的增高而增大 ;混凝土 2 8d抗压强度月平均值的标准偏差夏季低于冬季 ,即冬季中混凝土强度的离散性较
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