subharmonic

简明释义

英[ˌsʌbhɑːˈmɒnɪk]美[ˌsʌbhɑrˈmɑnɪk]

n. 分谐波，副谐波

adj. 分谐波的

英英释义

单词用法

同义词

反义词

例句

1.In this paper, secondary instability of subharmonic disturbances in Free Mixing -layer is studied with spatial mode.

用空间模式讨论了自由混合层三维亚谐扰动的二次稳定性。

2.A process which is coupled to the narrow band of brain temperature could allow all normal human brains to be affected by a subharmonic whose frequency range at about 10 Hz would only vary by 0. 1 Hz.

加在大脑温度窄带上的一个处理能够允许所有正常的人类大脑被谐波范围在大约10赫兹正负0.1赫兹的次谐波所影响。

3.The asymptotical stability of the subharmonic resonances and the sensitivity of the amplitude responses to the variation of damping coefficient were examined.

考察了亚谐响应幅值系数对阻尼的敏感性及亚谐振动谐波成分的渐近稳态性。

4.Parametric vibration of an axially moving, elastic, tensioned beam with pulsating speed was investigated in the vicinity of subharmonic and combination resonance.

研究速度变化的轴向运动粘弹性梁在亚谐波共振及组合共振范围内的参数振动。

5.The parametric and subharmonic resonances of stay cables excited by the vibration of deck are investigated.

研究由桥面振动引起的斜拉索参数共振和亚谐波共振问题。

6.In this paper, a quadruple subharmonic mixer used in holographic imaging system at W band is designed.

本文设计了一个应用在全息成像系统中的W波段的微带四次谐波混频器。

7.In music theory, a subharmonic 次谐波 is a frequency that is a fraction of a fundamental frequency.

在音乐理论中，subharmonic 次谐波 是基频的一个分数频率。

8.In underwater acoustics, subharmonic 次谐波 emissions can indicate the presence of certain marine species.

在水下声学中，subharmonic 次谐波 发射可以指示某些海洋物种的存在。

9.Engineers often analyze subharmonic 次谐波 signals to improve the performance of audio equipment.

工程师通常分析 subharmonic 次谐波 信号，以提高音频设备的性能。

10.The phenomenon of subharmonic 次谐波 oscillations can be observed in nonlinear dynamic systems.

在非线性动态系统中，可以观察到 subharmonic 次谐波 振荡现象。

11.The subharmonic 次谐波 frequencies can create interesting effects in sound design.

在声音设计中，subharmonic 次谐波 频率可以产生有趣的效果。

作文

In the realm of acoustics and music theory, the concept of subharmonic plays a crucial role in understanding sound waves and their interactions. A subharmonic is defined as a frequency that is a fraction of a fundamental frequency, typically one that is lower than the fundamental tone. This phenomenon can be observed in various musical instruments and natural systems, where complex tones are produced by the combination of multiple frequencies. For instance, when a string on a guitar vibrates, it produces not only the fundamental frequency but also a series of overtones and subharmonics that enrich the sound. The presence of subharmonics can significantly affect the timbre of the sound produced. In music, the interplay between the fundamental frequency and its subharmonics contributes to the richness and depth of the auditory experience. Musicians often exploit these subharmonic frequencies to create unique sounds and textures in their compositions. For example, in electronic music, producers frequently manipulate subharmonic elements to enhance bass lines, making them feel fuller and more resonant. Beyond music, subharmonics also have applications in various fields such as engineering and physics. In signal processing, understanding subharmonic frequencies is essential for designing filters and improving sound quality. Engineers analyze these frequencies to mitigate unwanted noise or to enhance specific components of a signal. This is particularly important in telecommunications, where clear transmission of audio signals is paramount. Moreover, in the study of vibrations, subharmonic phenomena can be observed in mechanical systems. For example, when a structure vibrates at its fundamental frequency, it may also resonate at subharmonic frequencies, which can lead to issues such as fatigue and failure. Engineers must take these subharmonic frequencies into account when designing structures to ensure their stability and longevity. In conclusion, the term subharmonic encompasses a wide range of concepts across different disciplines. Whether in music, engineering, or physics, subharmonics provide a deeper understanding of how sound and vibrations interact. By exploring these lower frequencies, we can appreciate the complexity of sound and its impact on our environment. The study of subharmonics not only enriches our musical experiences but also contributes to advancements in technology and safety in engineering practices. As we continue to explore the intricacies of sound, the significance of subharmonic frequencies will undoubtedly remain a vital area of research and innovation.

在声学和音乐理论领域，subharmonic（亚谐波）这一概念在理解声波及其相互作用方面起着至关重要的作用。subharmonic被定义为一个频率，它是某一基频的一个分数，通常低于基音。这种现象可以在各种乐器和自然系统中观察到，复杂的音调是通过多种频率的组合产生的。例如，当吉他的弦振动时，它不仅产生基频，还会产生一系列的泛音和subharmonics（亚谐波），使声音更加丰富。subharmonics的存在可以显著影响所产生声音的音色。在音乐中，基频与其subharmonics之间的相互作用，有助于丰富和加深听觉体验。音乐家们常常利用这些subharmonic频率来创造独特的声音和纹理。例如，在电子音乐中，制作人经常操控subharmonic元素，以增强低音线，使其感觉更饱满、更共鸣。除了音乐，subharmonics在工程和物理等多个领域也有应用。在信号处理领域，理解subharmonic频率对于设计滤波器和提高音质至关重要。工程师分析这些频率以减轻不必要的噪声或增强信号的特定部分。这在电信中尤为重要，因为清晰的音频信号传输至关重要。此外，在振动研究中，subharmonic现象可以在机械系统中观察到。例如，当一个结构以其基频振动时，它也可能在subharmonic频率下共振，这可能导致疲劳和故障等问题。工程师在设计结构时必须考虑这些subharmonic频率，以确保其稳定性和耐久性。总之，subharmonic这一术语涵盖了不同学科中的广泛概念。无论是在音乐、工程还是物理学中，subharmonics都提供了更深入理解声音和振动如何相互作用的途径。通过探索这些低频率，我们可以欣赏声音的复杂性及其对我们环境的影响。对subharmonics的研究不仅丰富了我们的音乐体验，还为技术进步和工程实践中的安全性做出了贡献。随着我们继续探索声音的细微差别，subharmonic频率的重要性无疑将仍然是一个重要的研究和创新领域。