“水晶共振”次谐波频率的石英水晶。
The Crystal Resonator". A subharmonic of the frequency of quartz crystal."
谐波频率在电网中是造成电能质量问题的常见原因。
Harmonic frequencies in the power grid are a frequent cause of power quality problems.
晶体遵循谐波频率，可用于与仪器，看起来像音叉。
Crystals follow harmonic frequencies and could be used with an instrument that looks like a tuning fork.
目的提取直升机声信号谐波频率作为特征用以识别直升机。
Aim To extract harmonic frequencies of helicopter acoustic signal as features for helicopter identification.
但对谐波频率而言，系统感抗大幅增加而滤波支路容抗大幅减小。
But at the harmonic frequency, the system inductance increases greatly and the reactance of the filter circuit reduces greatly.
该说明的监测，这在发言检测的基本频率的相对量和最高谐波频率的声音的耳朵。
The note is monitored as by ear at the speaker to detect the relative volumes of the fundamental frequency and the highest audible harmonic frequency.
“水晶共振”次谐波频率的石英水晶。非常有效去充电和清除石英水晶。启动有关灵光场。
The crystal resonator. A subharmonic of the frequency of quartz crystal. extremely effective for charging and clearing quartz crystals. activates aspects of the auric field.
当系统中存在谐波源时，无功补偿电容器组与系统电路会在某次谐波频率下发生并联谐振。
When harmonic sources exist in power system, parallel resonance occurs due to the interaction between shunt capacitor bank and system inductance.
对外电路而言，在基波频率下有源滤波器被控制为无限大阻抗，在谐波频率下被控制为小电阻。
The active filter acts as an infinite impedance to the external for the fundamental frequency and as a low resistor for harmonic frequencies.
光纤产生高次谐波频率梳技术扩展到极端的紫外线，打开一个新的精密激光光谱的光谱领土。
Optical high harmonic generation is extending frequency comb techniques into the extreme ultraviolet, opening a new spectral territory to precision laser spectroscopy.
在音乐方面接受过训练的学生在听到谐波频率时会更为高兴——这种频率在西方音乐中大量出现。
Musically trained students found harmonic frequencies more pleasing - they're huge in Western music.
二次谐波频率分辨光学门（SHG-FROG）是能够准确测量短脉冲多项特性参量的新技术。
The second-harmonic generation frequency-resolved optical gating (SHG-FROG) analyzer can be used to exactly measure the pulses characteristics.
本文研究了当某一阶固有频率与谐波频率接近或远离的情况下，谐波成分对识别的模态参数的影响，以及如何处理谐波模态。
When the natural frequency is close to or far from harmonic frequencies, study the effect of the harmonic components in the identified modal parameters, and how to deal with harmonic modal.
各种结果均显示谐波恢复的ESPRIT方法在提取谐波频率方面较之其它方法更为优越，用它提取直升机声信号特征是十分有效的。
Finally, by using ESPRIT harmonic frequencies are extracted from real measured helicopter acoustic signal. All results demonstrate that ESPRIT is superior t…
在对直升机声信号特征进行分析之后，提出了一种基于谐波恢复的ESPRIT方法来提取直升机声信号谐波频率作为特征用以识别直升机声目标。
Based on analysis of spectral characteristic of helicopter acoustic signal, a method of extracting harmonic frequencies from the helicopter acoustic signal via ESPRIT is proposed.
调整频率、体积和谐波内容，你就可以看到和听到波是怎么变化的。
Adjust the frequency, volume, and harmonic content and you can see and hear how the wave changes.
保证过电流保护的同时，还提高了开关频率，减小了输出谐波。
The switch frequency is increased and the output harmonic is decreased while the overcurrent protection is ensured.
它通常出现在射频，叶片通过频率和整流子刷频率，其高次谐波。
It usually appears at the RF, blade passage frequency and commutator brush frequency, and their higher harmonics.
分析了电路波形及实验数据、对实验研究过程中的多频率峰值、谐波干扰和幅值干扰等进行了分析和处理。
A detailed analysis about the circuit waveform and experimental data is also given the multi-frequency peak value and the frequency interference during the experiment are all analysed and processed.
这种方法首先对非语言声音信号进行谐波分析，然后对所得到的时变振幅与频率等声音信号参数进行分段线性化。
This technique performs harmonic analysis of the nonspeech audio signals and then the resulted attributes including time-varying amplitude and frequency functions are piecewisely linearized.
研究人员表示，我们的大脑喜欢这些和弦，可能是因为这些频率与一个单谐波音符类似。
And the researchers say our brains might like these chords because their frequencies resemble those of a single harmonic note.
发现了建立过程的平滑作用可以明显地削弱信号的谐波分量，并存在一个最佳转换频率，使谐波失真达到最小值。
It shows signal harmonics is obviously weakened by the smoothing action in the setting process and there is a best conversion frequency to minimize harmonic distortion.
复杂振动中频率最低的成分(基频或一次谐波)。
The component having the lowest frequency in a complex vibration (fundamental frequency or first harmonic).
目前我国电能质量国家标准主要规定了五个指标：频率、谐波、电压偏差、三相不平衡及电压波动与闪变。
At present, our country power quality national standard was chiefly stipulated five quotas: frequency, harmonic and voltage deviation, three-phase unbalance and the voltage fluctuation and flicker.
为了克服小波固有的缺陷，本文构造了一种组合小波，并利用它实现了对电力暂态谐波信号含量及频率的准确检测。
To conquer the old wavelet inherent shortcoming, a combine wavelet is designed and used to realize the accurate detection to harmonic contents and frequency of power quality transient signals.
另一个重要因素是消除谐波的回声在更高的频率，导致更多的细节，仍然是一个平滑，更自然的声音。
Another vital element is the removal of harmonic echoes in the higher frequencies, which result in a lot more detail and still a smoother and more natural sound.
时间谐波可以看作是施加在绕组上的较高频率的电压。
The time harmonics can be considered as voltages of higher frequencies applied to the windings.
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。
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。
Finally, the fundamental frequency estimation under different PQ disturbances condition, such as harmonics, voltage fluctuations, etc, is analyzed by simulation respectively.
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