sinusoidal

简明释义

英[,saɪnə'sɔɪdəl]美[ˌsɪnəˈsɔɪdl]

adj. 正弦曲线的

英英释义

单词用法

同义词

反义词

例句

1.A sinusoidal fluid pressure generator for measuring the frequency response of pressure transducer system is presented.

本文描述了一种测量压力传感器系统频响用的正弦液压发生装置。

2.Especially, when they learn the knowledge about sinusoidal steady -state circuit analysis, they feel more difficult.

特别是学到正弦稳态电路分析内容时，更是如堕五里云雾中。

3.This is a DDS-based sinusoidal frequency generator of the design and implementation and application.

这是基于DDS的正弦频率发生器的设计和实现以及应用。

4.As an adaptive algorithm of signal decomposition, matching pursuits provides a new framework for sinusoidal modeling of speech and audio signal.

匹配跟踪作为一种自适应的信号分解算法，为语音和音频正弦建模提供了一个新的框架。

5.These results are independent of the surface material, and are valid for both sinusoidal and ran- dom rough surfaces.

这些结果与表面材料无关，并且对正弦和随机粗糙表面都是有效的。

6.Using hardware digital synthesis method, the signal source generates three phase sinusoidal voltage and current signal.

该信号源中采用硬件数字合成的办法产生三相电压与三相电流信号正弦波。

7.The stability of the sinusoidal and helical equilibrium states of buckled tubulars is analyzed by energy stability criterion.

根据稳定性准则分析了管柱不同屈曲平衡状态的稳定性；

8.The voltage output from the generator is a sinusoidal wave, which means it varies smoothly over time.

发电机的电压输出是一个正弦波，这意味着它随时间平滑变化。

9.In audio engineering, a sinusoidal signal is often used to test speakers due to its pure tone.

在音频工程中，正弦信号常用于测试扬声器，因为它具有纯净的音调。

10.The motion of the pendulum can be described by a sinusoidal function representing its displacement over time.

摆的运动可以用一个正弦函数来描述，表示其随时间的位移。

11.When analyzing AC circuits, engineers often assume that the current is sinusoidal for simplicity.

在分析交流电路时，工程师们常常假设电流是正弦波以简化计算。

12.The sinusoidal pattern in the data suggests a periodic phenomenon.

数据中的正弦模式暗示了一种周期性现象。

作文

Understanding the concept of waves is fundamental in various fields, including physics, engineering, and music. One of the most important types of waves is the sinusoidal wave, which is characterized by its smooth, periodic oscillations. This type of wave can be described mathematically using the sine function, hence the name sinusoidal (正弦波的). In this essay, we will explore the properties of sinusoidal waves, their applications, and their significance in our daily lives. A sinusoidal wave is defined by its amplitude, frequency, and phase. The amplitude refers to the maximum displacement of the wave from its equilibrium position, while the frequency indicates how many cycles occur in a unit of time. The phase represents the initial angle of the wave at time t=0. These three parameters determine the shape and behavior of the sinusoidal wave, making it essential to understand them for practical applications. In physics, sinusoidal waves are crucial in understanding sound and light. For example, sound waves produced by musical instruments often take on a sinusoidal form. When a guitar string vibrates, it creates pressure variations in the air that propagate as sinusoidal waves. Musicians rely on this property to create harmonious sounds. The study of sinusoidal waves in acoustics has led to advancements in audio technology, such as speakers and microphones that accurately reproduce sound. In electrical engineering, sinusoidal waves are fundamental to alternating current (AC) systems. AC electricity, which is used in homes and industries, varies in voltage and current in a sinusoidal manner. This allows for efficient energy transmission over long distances. Engineers use the properties of sinusoidal waves to design circuits and systems that can handle AC power effectively. Understanding the sinusoidal nature of these waves helps engineers optimize performance and ensure safety in electrical systems. Moreover, sinusoidal waves are also prevalent in the field of signal processing. In telecommunications, data is transmitted using modulated sinusoidal signals. These signals carry information over various mediums, such as radio waves, fiber optics, and satellite communications. By manipulating the frequency and amplitude of sinusoidal waves, engineers can encode and transmit large amounts of data efficiently. This has revolutionized the way we communicate and share information in the modern world. In addition to their technical applications, sinusoidal waves are also observed in nature. Many natural phenomena exhibit sinusoidal patterns, such as ocean waves and the motion of pendulums. Understanding these patterns can help scientists predict weather changes, study geological formations, and even analyze biological rhythms. The prevalence of sinusoidal patterns in nature highlights the interconnectedness of various scientific disciplines. In conclusion, the concept of sinusoidal waves is essential across multiple fields, from music and engineering to natural sciences. Their unique properties and behaviors enable us to understand and manipulate various forms of energy and information. By grasping the significance of sinusoidal waves, we can appreciate their role in our daily lives and the advancements they have brought to technology and science. As we continue to explore the complexities of waves, the sinusoidal wave remains a fundamental building block in our understanding of the world around us.

理解波动的概念在物理学、工程学和音乐等多个领域都是基础。最重要的波动类型之一是sinusoidal波，它的特征是平滑的周期性振荡。这种波可以用正弦函数进行数学描述，因此得名sinusoidal（正弦波的）。在这篇文章中，我们将探讨sinusoidal波的性质、应用及其在日常生活中的重要性。 sinusoidal波由其幅度、频率和相位定义。幅度指的是波从平衡位置的最大位移，而频率表示单位时间内发生的周期数。相位表示波在t=0时的初始角度。这三个参数决定了sinusoidal波的形状和行为，因此理解它们对于实际应用至关重要。 在物理学中，sinusoidal波对理解声音和光线至关重要。例如，乐器产生的声音波通常呈现出sinusoidal的形态。当吉他弦振动时，它会在空气中产生压力变化，这些变化以sinusoidal波的形式传播。音乐家依赖这一特性来创造和谐的声音。对声学中sinusoidal波的研究推动了音频技术的进步，例如扬声器和麦克风能够准确再现声音。 在电气工程中，sinusoidal波是交流电（AC）系统的基础。家庭和工业使用的交流电，其电压和电流以sinusoidal的方式变化。这使得长距离高效传输电能成为可能。工程师利用sinusoidal波的特性来设计能够有效处理交流电的电路和系统。理解这些波的sinusoidal特性帮助工程师优化性能并确保电气系统的安全。 此外，sinusoidal波在信号处理领域也很普遍。在电信中，数据通过调制的sinusoidal信号传输。这些信号通过各种媒介（如无线电波、光纤和卫星通信）携带信息。通过操控sinusoidal波的频率和幅度，工程师可以高效地编码和传输大量数据。这一技术革命了我们在现代世界中的沟通和信息分享方式。 除了技术应用外，sinusoidal波在自然界中也很常见。许多自然现象表现出sinusoidal模式，例如海浪和摆的运动。理解这些模式可以帮助科学家预测天气变化、研究地质构造，甚至分析生物节律。自然界中sinusoidal模式的普遍性突显了各科学学科之间的相互联系。 总之，sinusoidal波的概念在音乐、工程和自然科学等多个领域都是至关重要的。它们独特的属性和行为使我们能够理解和操控各种形式的能量和信息。通过掌握sinusoidal波的重要性，我们可以欣赏它们在日常生活中的作用以及为技术和科学带来的进步。随着我们继续探索波动的复杂性，sinusoidal波仍然是我们理解周围世界的基本组成部分。