fundamental frequency

简明释义

基频

英英释义

The fundamental frequency is the lowest frequency of a periodic waveform, representing the first harmonic in a harmonic series.

基频是周期波形的最低频率,代表谐波系列中的第一个谐波。

例句

1.The fundamental frequency 基频 of a tuning fork is crucial for accurate pitch measurement.

音叉的基频对于准确的音高测量至关重要。

2.In acoustics, the fundamental frequency 基频 determines the pitch of the sound produced by a vibrating string.

在声学中,基频决定了振动弦所产生声音的音高。

3.Engineers analyze the fundamental frequency 基频 of a structure to predict its response to vibrations.

工程师分析结构的基频以预测其对振动的响应。

4.In speech analysis, the fundamental frequency 基频 can indicate the speaker's emotional state.

在语音分析中,基频可以指示说话者的情绪状态。

5.The musician tuned his guitar to ensure the fundamental frequency 基频 was in harmony with the other instruments.

音乐家调音他的吉他,以确保基频与其他乐器和谐。

作文

The concept of fundamental frequency is crucial in various fields, particularly in physics and music. In physics, fundamental frequency refers to the lowest frequency of a periodic waveform, which is the primary frequency at which a system oscillates. This frequency is significant because it determines the pitch of the sound produced by musical instruments or vocal cords. For instance, when a guitar string is plucked, it vibrates at its fundamental frequency, producing a sound that we perceive as a certain musical note. In music theory, understanding fundamental frequency helps musicians comprehend how different notes relate to one another. Each note corresponds to a specific fundamental frequency, and when multiple notes are played together, the interaction of their frequencies creates harmony or dissonance. The fundamental frequency serves as the foundation upon which other harmonics are built. Harmonics are integer multiples of the fundamental frequency, and they contribute to the timbre or color of the sound. For example, a piano playing middle C has a fundamental frequency of approximately 261.63 Hz, while its harmonics resonate at higher frequencies, enriching the auditory experience.Moreover, the concept of fundamental frequency extends beyond music into areas like acoustics and engineering. In acoustics, understanding the fundamental frequency of a room can help in designing spaces with optimal sound quality. Engineers often analyze the fundamental frequency of structures to ensure stability and safety against vibrations caused by external forces, such as earthquakes. In the realm of speech and language, the fundamental frequency plays an essential role in phonetics. The pitch of a person's voice is determined by their fundamental frequency, which varies between individuals and can convey emotions and intentions. For example, a higher fundamental frequency might indicate excitement, while a lower frequency could suggest calmness or authority. Speech therapists often work with clients to modify their fundamental frequency to achieve desired vocal qualities or to address speech disorders.Understanding fundamental frequency also has practical applications in technology. In telecommunications, the fundamental frequency is essential for transmitting signals effectively. Engineers must consider the fundamental frequency of various devices to avoid interference and ensure clear communication. Similarly, in audio engineering, mastering the fundamental frequency of recordings allows producers to create balanced mixes that highlight the essential elements of a song.In summary, the term fundamental frequency encompasses a wide array of applications and implications across different disciplines. Whether in music, physics, acoustics, or technology, the fundamental frequency serves as a foundational concept that aids in understanding the behavior of waves, sounds, and vibrations. By grasping the significance of the fundamental frequency, one can appreciate the intricate relationships between sound, structure, and communication in our world.

“基频”这个概念在多个领域中至关重要,尤其是在物理学和音乐中。在物理学中,基频指的是周期波形的最低频率,这是一个系统振荡的主要频率。这个频率之所以重要,是因为它决定了乐器或声带产生声音的音调。例如,当吉他弦被弹拨时,它以其基频振动,产生我们感知为某种音乐音符的声音。在音乐理论中,理解基频帮助音乐家理解不同音符之间的关系。每个音符对应于一个特定的基频,当多个音符一起演奏时,它们频率的相互作用会创造和谐或不和谐。基频作为构建其他谐波的基础。谐波是基频的整数倍,它们对声音的音色或颜色有贡献。例如,钢琴演奏中央C的基频大约为261.63赫兹,而它的谐波在更高的频率上共鸣,丰富了听觉体验。此外,基频的概念不仅限于音乐,还扩展到声学和工程等领域。在声学中,理解一个房间的基频可以帮助设计出具有最佳音质的空间。工程师通常分析结构的基频以确保在外部力量(如地震)引起的振动下的稳定性和安全性。在语言和语音领域,基频在语音学中发挥着重要作用。一个人的声音的音高由其基频决定,这在个体之间有所不同,并且可以传达情感和意图。例如,更高的基频可能表示兴奋,而较低的频率可能表明平静或权威。言语治疗师通常与客户合作,调整他们的基频以达到所需的声音特质或解决语言障碍。理解基频在技术中也有实际应用。在电信中,基频对于有效传输信号至关重要。工程师必须考虑各种设备的基频以避免干扰并确保清晰的通信。同样,在音频工程中,掌握录音的基频使制作人能够创建平衡的混音,突出歌曲的基本元素。总之,术语基频涵盖了不同学科中广泛的应用和含义。无论在音乐、物理、声学还是技术领域,基频都是一个基础概念,有助于理解波、声音和振动的行为。通过掌握基频的重要性,人们可以欣赏到我们世界中声音、结构和交流之间复杂的关系。

相关单词

frequency

frequency详解:怎么读、什么意思、用法