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。
Where the frequency distribution shows data values decreasing in occurrence from some common condition to a rare condition, a skew exists.
如果频率分布显示数据值从经常出现变为很少出现,则存在倾斜。
The regular numerical algorithm is MOM, whose general impedance matrix has a large condition number at the resonance frequency points, which brings an inaccurate result.
常规散射特性计算方法如矩量法中的广义阻抗矩阵在谐振频率点上条件数过大,导致计算不准确。
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。
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。
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。
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。
Simulation and experimental results show that the topology is more suitable for high frequency and high power condition requirement than the traditional resonant topology.
仿真和实验结果表明,这种拓扑相对于传统的谐振拓扑更能满足高频大功率应用环境的要求。
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。
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。
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。
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。
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。
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。
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 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。
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。
Finally, the fundamental frequency estimation under different PQ disturbances condition, such as harmonics, voltage fluctuations, etc, is analyzed by simulation respectively.
并运用大量仿真,对本方法在谐波、电压波动等干扰环境下基本频率估计的有效性进行验证。
The short-term induced passenger flow includes the new passenger flow resulted from the trip distribution change and the trip frequency growth caused by traffic condition change.
近期诱增客流量包括由交通条件改变导致出行分布变化和出行频率增加引发的新客流量。
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 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。
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。
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。
If the public address system is operated below but too close to the instability condition the frequency shifter can reduce effectively the interference of the regenerative reverberation.
若语言扩声系统临近不稳定状态工作,频移器可以有效地减少再生混响干扰。
If the public address system is operated below but too close to the instability condition the frequency shifter can reduce effectively the interference of the regenerative reverberation.
若语言扩声系统临近不稳定状态工作,频移器可以有效地减少再生混响干扰。
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