fundamental frequency

简明释义

基频

英英释义

例句

1.Acoustic engineers often analyze the fundamental frequency 基频 of sound waves to improve audio quality.

声学工程师常常分析声波的基频以提高音频质量。

2.The human voice has a typical fundamental frequency 基频 ranging from 85 to 180 Hz.

人声的典型基频范围是85到180赫兹。

3.The fundamental frequency 基频 of a vibrating string is influenced by its length and tension.

振动弦的基频受其长度和张力的影响。

4.When tuning an instrument, musicians ensure that the fundamental frequency 基频 matches the desired pitch.

调音时，音乐家确保基频与所需音高相匹配。

5.In music, the fundamental frequency 基频 determines the pitch of a note.

在音乐中，基频决定了音符的音高。

作文

The concept of fundamental frequency is essential in various fields such as physics, music, and engineering. In simple terms, the fundamental frequency refers to the lowest frequency of a periodic waveform, which is the primary frequency at which a system oscillates. This idea is particularly significant when analyzing sound waves, where the fundamental frequency determines the pitch of a musical note. For instance, when a musician plays a note on a piano, the sound produced has a specific fundamental frequency that defines its tonal quality. In acoustics, understanding the fundamental frequency allows us to appreciate how different instruments produce unique sounds. Each instrument has its own set of harmonics, which are whole-number multiples of the fundamental frequency. The combination of these harmonics with the fundamental frequency creates the timbre or color of the sound. For example, a violin and a flute playing the same note may have the same fundamental frequency, but they sound different due to their unique harmonic structures. Moreover, the fundamental frequency plays a crucial role in speech and language processing. When we speak, our vocal cords vibrate at a particular fundamental frequency, which contributes to the perceived pitch of our voice. This frequency can vary from person to person, influenced by factors such as age, gender, and health. Speech recognition systems often analyze the fundamental frequency to identify and differentiate voices, making it an integral part of modern communication technology. In engineering, particularly in the field of signal processing, the fundamental frequency is vital for designing filters and analyzing signals. Engineers must identify the fundamental frequency of a signal to effectively filter out noise and improve the quality of data transmission. By focusing on the fundamental frequency, engineers can enhance the performance of audio devices, ensuring that the sound produced is clear and accurate. Additionally, the fundamental frequency can be observed in various natural phenomena. For example, in the study of earthquakes, seismologists analyze the fundamental frequency of seismic waves to assess the structural integrity of buildings. Understanding the fundamental frequency helps engineers design structures that can withstand the forces generated during an earthquake, ultimately saving lives and reducing property damage. In conclusion, the fundamental frequency is a foundational concept that permeates multiple disciplines. Whether in music, speech, engineering, or natural sciences, the fundamental frequency serves as a critical parameter for understanding and manipulating waves and vibrations. By grasping the significance of the fundamental frequency, we can appreciate the intricate relationships between sound, structure, and technology, leading to advancements in both art and science. As we continue to explore the implications of this concept, it becomes increasingly clear that the fundamental frequency is not just a technical term, but a bridge connecting various domains of knowledge and human experience.

“基频”这一概念在物理学、音乐和工程等多个领域中至关重要。简单来说，基频是指周期波形的最低频率，是系统振荡的主要频率。这个概念在分析声波时尤为重要，因为基频决定了音乐音符的音高。例如，当音乐家在钢琴上演奏一个音符时，产生的声音具有特定的基频，这定义了其音色。在声学中，理解基频使我们能够欣赏不同乐器如何产生独特的声音。每种乐器都有自己的一组谐波，这些谐波是基频的整数倍。基频与谐波的组合创造了声音的音色。例如，小提琴和长笛演奏同一个音符时，虽然它们的基频相同，但由于各自独特的谐波结构，它们听起来却不同。此外，基频在语音和语言处理中的作用也至关重要。当我们说话时，声带以特定的基频振动，这影响了我们声音的音高。这个频率因人而异，受到年龄、性别和健康等因素的影响。语音识别系统通常分析基频来识别和区分声音，使其成为现代通信技术的一个重要组成部分。在工程学中，尤其是在信号处理领域，基频对于设计滤波器和分析信号至关重要。工程师必须识别信号的基频，以有效过滤噪声并提高数据传输的质量。通过关注基频，工程师可以增强音频设备的性能，确保所产生的声音清晰准确。此外，在各种自然现象中也可以观察到基频。例如，在地震研究中，地震学家分析地震波的基频，以评估建筑物的结构完整性。理解基频有助于工程师设计能够承受地震产生的力量的结构，从而最终拯救生命并减少财产损失。总之，基频是一个基础概念，渗透到多个学科中。无论是在音乐、语音、工程还是自然科学中，基频都是理解和操控波动和振动的重要参数。通过掌握基频的重要性，我们可以欣赏声音、结构和技术之间错综复杂的关系，从而推动艺术和科学的进步。随着我们继续探索这一概念的意义，越来越明显的是，基频不仅仅是一个技术术语，而是连接各种知识领域和人类经验的桥梁。