If a review of the frequency distributions for each source points to a many-to-one condition and one source has only unique values, then it is a likely reference source.
如果查看每个源的频率分布发现存在多对一的情况，并且一个源只有一个惟一的值，那么它很可能就是引用源。
A software based frequency tracking algorithm for protective relaying is analyzed thoroughly. in this paper, the availability of this algorithm under the non-noise condition is proved.
全面分析了一种保护用软件频率跟踪算法的性能，论证了在无噪声干扰的情况下该算法的有效性。
Through collecting vibration signal and analyzing it in the frequency domain in the condition of changing parameter cutting, a single self power spectrum is hard to detect tool breakage effectively.
在变切削参数的加工工况下，通过对振动信号的采集和频域处理，发现采用单一的自功率谱方法难以有效检测出刀片破损。
This circuit has both characters of restricting the current within the giving value and limiting the switching frequency of MOSFET operating on current limited condition.
该电路具有既能将负载电流限制在设定值以内，又能控制限流工作时功率管的开关频率等特点。
In open cycle condition, the frequency of the cleanness should base on cooling water quality.
在开式循环的情况下，清洁的间隔时间长短要根据冷却水的性质而定。
But if above positive real condition is satisfied only within some frequency range, the convergence of FXLMS algorithm is dependent on the spreading of power spectral density of the reference signal.
若上述正实条件仅在某些频带上满足，则FXLMS算法的收敛将依赖于参考信号功率谱密度的分布。
Besides, the improving of observation condition of low-frequency events is discussed.
讨论了改进(超)低频事件的观测条件问题。
A conditional frequency distribution is a collection of frequency distributions, each one for a different condition.
条件频率分布是一系列的条件分布，每个都是不同的条件。
Considering the power plant condition and vibration frequency, hierarchical diagnostic strategy is put forward. The accuracy of fault diagnosis is improved.
根据机组的状态和振动频率，提出了分阶段、分层次的诊断策略，提高了故障诊断的准确率。
If we introduce the ladder-shaped circuit simple in good time, the oscillating frequency and oscillating condition of rc phase shift oscillating can be w.
如果能适时地引入梯形电路的简单介绍，则rc移相式振荡电路的振荡频率及振荡条件可以容易地求出。
If we introduce the ladder-shaped circuit simple in good time, the oscillating frequency and oscillating condition of rc phase shift oscillating can be worked out easily.
如果能适时地引入梯形电路的简单介绍，则rc移相式振荡电路的振荡频率及振荡条件可以容易地求出。
Based on the equations, the condition of ZVS is analyzed, and the engineering design method of highest working frequency is discussed, which is based on dissipation of turning off and duty cycle lose.
基于这些方程，研究了实现软开关的条件，并从关断损耗和占空比丢失的角度探讨了吸收电容与电路最高工作频率的关系，给出了工程设计公式。
The field experiments prove that based on the motor running condition, this solution can real time continuously adjust its running frequency to reach object of energy saving and efficiency increasing.
现场实验证明，该解决方案能根据电机运行状况实时、连续地调节其运行频率，从而达到节能增效的目的。
Based on data analysis in both time and frequency domain, characteristics of blade vibration response at rotating stall and surge condition are introduced.
在对时域和频域数据分析的基础上，论述了旋转失速和喘振状态下叶片振动响应的特征。
The sensitive frequency were measured using conduction method, and the radiofrequency sensitivity was tested and calculated in the condition of sensitive frequency based on the up-down method.
为了研究射频对电火工品的影响，利用传导方法分别测定了三种不同的桥丝式电火工品试样的敏感频率，然后在敏感频率条件下根据升降法对试样的射频感度进行了测定和计算。
Based on the complex magnitude of harmonic signals and under the condition of ideal synchronous samplings, an algorithm for computing the frequency deviation is proposed.
在理想同步采样的条件下，提出了一种基于简谐信号复幅度的频率偏差求取算法。
However, to the beginner of lacking knowledge of relevant circuit and signal system, it becomes unexpectedly difficult to work out its oscillation frequency and oscillation condition.
但是对缺乏相关电路及信号系统知识的初学者而言，求其振荡频率及振荡条件竟成为一道难题。
The principle of MMW stepped frequency radar for one dimension range imaging in ideal condition is introduced.
给出了毫米波频率步进雷达理想情况下一维距离像成像原理。
The emission frequency of the Karman vortex street occurred in series from the blades and tongue is varing with the running condition.
将流程泵叶轮叶片和压水室的隔舌看作旋涡发生体，在不同运行工况下在叶片后缘以及隔舌两侧串联发生的卡门涡街的发射频率是不同的。
Research results show that the main restraint condition of FPC'spower margin is the current limitation of frequency converter.
结果表明FPC功率极限的主要约束条件是变频器电流限制。
It is easy to observe slow P-wave in the condition of large porosity and low frequency band.
低频、高孔隙度条件更有利于慢纵波的观测。
A new method for digital identification and demodulation of MPSK signals is presented under the condition of the Doppler frequency shift of channel attenuation.
针对衰落信道中广泛存在的多普勒频移现象，本文提出了一种MPSK信号数字化识别解调的方法。
The composite viscosity at the condition of dynamic shear test is consistent with shear viscosity at steady shear test at the low shear rate or low frequency.
在低频率(或低剪切速率)下，动态剪切测量的复合粘度与稳态剪切测量的剪切粘度是相等的。
The control system of multi-connected air-condition unit is the control unit which combines a variable frequency module, a variable frequency motor of compressor and a system of refrigeration.
多联空调机组控制系统是将变频模块、变频压缩机和制冷系统有机集成一体的控制单元，其技术核心是变频控制模块。
Objective To study the effect of enhanced external counterpulsation (EECP) on frequency components of shear stress in myocardial ischemia condition.
目的研究体外反搏治疗心肌缺血时血管对剪切应力各频率分量的影响。
This paper is involved in the analysis of oscillation starting condition, output voltage amplitude adjustment, and frequency selection network composition of sinusoidal coave oscillation circuit.
分析了用运算放大器组成正弦波振荡电路的起振条件和输出电压幅值的调节及选频网络的构成。
A new kind of linear trigger circuit made up of integrated circuit is described. The trigger circuit is used in rectification circuit under the condition of the variable frequency of power source.
叙述了一种新型的由集成电路构成的线性触发器，该触发器用于在电源频率可变条件下工作的整流电路。
One of the most effective and feasible ways of broadening the range of the output wavelength is using frequency conversion of non-linear Crystal under the condition of phase matching.
拓宽激光输出波长的范围最常用最有效的方法之一是利用非线性晶体在相位匹配条件下的频率变换技术。
One of the most effective and feasible ways of broadening the range of the output wavelength is using frequency conversion of non-linear Crystal under the condition of phase matching.
拓宽激光输出波长的范围最常用最有效的方法之一是利用非线性晶体在相位匹配条件下的频率变换技术。
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