It has to do with the fact that when we hear sounds, we are actually hearing composite sounds,called harmonics.
然后是谐波测试,即共振频率的倍数,其中第二个将使其在中间弯曲。
Then there are the harmonics, the multiples of that frequency, the second of which will make it bend in the middle.
这就保证了具有高谐波含量的信号,如方波,能够在屏幕上精确的再现。
This ensures that signals with high harmonic content, such as square waves, can be reproduced precisely on the screen.
特别要说的是,这些还可以用于测量谐波、总谐波失真(THD)、频率和功率因数。
Specifically, these can be used to measure harmonics, total harmonic distortion(THD), frequency, and power factor.
如果PCB板上的数字信号布线邻近敏感的模拟信号,高频谐波可能会耦合过去。
If the digital signal on the PCB is routed close to a sensitive analog signal,high frequency harmonics may be coupled.
振荡器的质量很重要--不应该有谐波畸变,即,它需要是一个纯净的正弦波。
The quality of the oscillator is important- there should be no harmonic distortion i.e. it needs to be a pure sine wave.
如果PCB板上的数字信号布线邻近敏感的模拟信号,高频谐波可能会耦合过去。
If the digital signal on the PCB is routed close to sensitive analog signals,high frequency harmonics may couple past.
谐波收敛也作为在学校的音乐职业的人声爵士研讨会在居住合奏帮助每个夏天。
Harmonic Convergence also serves as the ensemble in residence at the School for Music Vocation's vocal jazz workshops help each summer.
在学校的物理课程中,我们将了解不同类型的运动(简单谐波,滚动,滑动,抛物线飞行等)。
In school physics lessons welearn about different types of motion(simple harmonic, rolling, sliding, parabolic flight, etc).
但是,谐波模式自有其特别之处:它们的基础源自斐波那契工具(回调与拓展)的运用。
However, harmonic patterns have something special about them: they are based on the use of Fibonacci tools(retracements and expansions).
它庆祝的张力以及协同,谐波不平衡以及爆炸性创造性潜力在任何这样的联合隐式的。
It celebrates the tension as well as the synergy, the harmonic imbalance as well as the explosive creative potential implicit in any such union.
如前所述,谐波被发现在所有的声音和一个谐波相关的调整似乎是更自然,有更多的自愈能力。
As noted, harmonics are found in all sounds and a harmonically related tuning seems to be more natural and have more healing ability.
降低采样率会将频谱中的采样频率分量及其所有谐波分量移动到频域显示图的左边。
Lowering the sample ratemoves the sampling frequency component of the spectrum and all its harmonics to the left in the frequency domain display.
相反,如果选择或使用不当,可能会导致许多因素,如供电系统,电压波动,谐波增加等。
Conversely, if selected or used improperly, it may cause many factors such as power supply system,voltage fluctuation, harmonic increase and so on.
根据应用不同,要确定需要哪些与能源有关的信息是很重要的,例如电压、电能质量和谐波。
Depending on the application, it is important to determine what energy-related information is needed, such as voltage,power quality, and harmonics.
不要让谐波让你失望:选择正确谐波滤波器的最佳技巧1976,发现引起军团病的细菌….
Don't let harmonics get you down: top tips for choosing the right harmonic filter In 1976, it was discovered that the bacteria causing Legionnaire's….
据一些研究项目调查结果,总谐波失真1%的频率范围为100到2000Hz,它是潜移默化的。
According to the findings of several research projects, a total harmonic distortion of 1% in the frequency range of 100 to 2000 Hz is imperceptible.
交付内容还包括用于安装电气设备的预组装式“E-House”以及功率因数校正和谐波滤波设备。
The delivery also includes pre-assembled‘E-Houses' for installing the equipmentas well as power factor correction and harmonic filtering equipment.
因此,电力供应商和能源使用大户有责任降低非线性负载及其相关谐波的影响。
It is therefore the responsibility of electricity providers and large energy consumers to minimize the impact of nonlinear loads andtheir associated harmonics.
这是我论文中反复出现的主题,它结合了控制理论、动力系统、谐波分析和理论计算机科学的工具。
This is a recurring theme in my thesis, which combines tools from control theory,dynamical systems, harmonic analysis and theoretical computer science.”.
没有谐波,乐器发出的声音听起来都一样,音乐家将无法演奏和弦,而冲浪者也无法尽享踏浪之乐。
Without harmonics, musical instruments would all sound the same, musicians wouldn't be able to play chords and surfers wouldn't have much pleasure on the waves.
由于矩形脉冲含有丰富的谐波,所以脉冲信号产生器也叫自激多谐振荡器或简称多谐振荡器。
Because the rectangular pulse contains a wealth of harmonics, so the pulse signal generator is also called self-excited multivibrator or multi-harmonic oscillator.
传输的应用,内容或持续时间没有限制,仅限于功率输出,带宽,谐波和杂散发射等因素。
There are no restrictions on the application, content or duration of transmissions, only on factors such as power output,bandwidth, harmonic and spurious emissions.
两组12脉冲主推进驱动器形成准24脉冲结构,以减少谐波并满足船级社关于THDu<5%的要求。
Two sets of 12-pulse main propulsion drivesform a quasi 24-pulse structure to reduce harmonics and to meet the classification society requirement for THDu<5%.
对单个电器和家庭的历史测量证实了这一点,功率因数为0.9或更好,谐波失真相对较低[PDF]。
Historical measurements on individual appliances and homes have borne this out,with power factors of 0.9 or better and relatively low harmonic distortion[PDF].
The IEC harmonic measurement mode meets the window width requirement of the latest IEC harmonic standard(10 cycles of 50 Hz and 12 cycles of 60 Hz).
描述这种三次,五次和七次谐波频率产生效率的非线性系数非常高,”Turchinovich解释道。
The nonlinear coefficients describing the efficiency of the generation of this third,fifth and seventh harmonic frequency were exceptionally high,” explains Turchinovich.
他的研究兴趣包括应用和纯谐波分析,特别是时间,频率和时间尺度分析;帧理论;和分析和分形上微分方程。
His research interests include applied and pure harmonic analysis especially time-frequency and time-scale analysis, frame theory, and analysis and differential equations on fractals.
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