振荡次数

其二是与Morlet小波相比较，Hermitian小波的实部和虚部振荡次数少，可用较少的数据点对信号进行卷积，从而不会损坏信号的奇异性。

Second , the real part and the imagine part of Hermitian wavelet have less oscillation than Morlet wavelet , so that the convolution operation can be process with fewer number of data points and the signal singularity will not be smeared .

着重讨论了采用TritonX100做析相剂、正辛醇降低浊点和析出相的密度以及络合剂的选择、酸度及振荡次数的影响等析相萃取条件。

The conditions of phase separation and extraction such as using Triton X-100 as phase separation agent , and octanol to drop the cloud point , and the influence of acidity and the number of times for oscillating were discussed .

时程曲线的振荡次数与试件残余模态的褶迭数目是一致的。

The oscillation frequency of force-time curves is in consistency with the number of folds of residual mode . 2 .

因为事件越大，传感器在它衰减到低于触发器电平之前的振荡次数越多。

Because the larger the event , the larger the number of oscillations of the transducer before they decay below the trigger level .

仿真结果表明，励磁与汽门的协调控制，使得系统的阻尼增大，振荡次数减少。

Simulation results show that excitation and valve coordinated control is of good dynamic and static performance quality , making the system damping increases and oscillation frequency decreased .

由此算法支持的微机励磁调节器在实验及生产运行中表明：此算法大大改善了调节特性，超调量下降，振荡次数减少等。

Applying this improved PID algorithm in a practical excitation system , the result of test and operation show that the regulation characteristics of excitation system are notably improved , both the overshoot and the oscillation times are reduced .

首先对超声波法提取天然产物中黄酮类化合物选择了最佳提取条件，即乙醇为溶剂，乙醇浓度为95%，提取温度0℃，振荡时间10min，振荡次数3次。

Firstly this thesis selected the optimum conditions of flavonoids extraction by supersonic method , ethanol as solvent , ethanol concentration 95 % , extraction temperature 0 ℃, oscillation time 10 min , oscillation 3 times .

凝固对于凸点的成形具有重要影响，一方面凝固增加了熔滴振荡的阻尼，导致振荡次数减小；另外一方面凝固造成动能的损失，使熔滴的最大铺展减小。

On the one hand , solidification increases the oscillation damping , which leads to a reduction in the oscillation number ; and on the other hand , solidification decreases the kinetic energy , which results in the decrease of the maximum spread of droplet .

工程实践证明，该方法可以更有效地检测出振荡周期小的失步振荡次数。

Simulation studies are given in the paper and the field experiences have proved that the method can detect the correct number of short period swings .

给出了失步保护启动的两个条件，并详细分析了阻抗整定、系统振荡最大滑差频率以及系统振荡次数，为大型水轮发电机组失步保护的正确、合理整定提供了参考。

Two conditions resulting in out-of-step protection of operating are presented , and the impedance setting , maximal slip frequency and times of system oscillation are analyzed in detail , which provides references for correct and reasonable setting of out-of-step protection for large hydro-generators .