modulating wave

简明释义

调制波

英英释义

A modulating wave is a wave that varies in amplitude, frequency, or phase to carry information or alter the characteristics of another wave.

调制波是指通过改变振幅、频率或相位来传递信息或改变另一波特征的波。

例句

1.Scientists studied the effects of the modulating wave 调制波 on the behavior of quantum particles.

科学家研究了<意>调制波对量子粒子行为的影响。

2.A digital signal processor can effectively generate a modulating wave 调制波 for various applications.

数字信号处理器可以有效生成用于各种应用的<意>调制波

3.The engineer explained how the modulating wave 调制波 can improve signal clarity in communication systems.

工程师解释了如何通过<意>调制波来提高通信系统中的信号清晰度。

4.In radio transmission, a modulating wave 调制波 carries the information by varying the amplitude or frequency of the carrier wave.

在无线电传输中,<意>调制波通过改变载波的幅度或频率来携带信息。

5.The modulating wave 调制波 is essential for encoding audio signals into radio waves.

<意>调制波对于将音频信号编码为无线电波至关重要。

作文

In the realm of physics and engineering, the concept of a modulating wave plays a crucial role in various applications, particularly in the fields of telecommunications and signal processing. A modulating wave refers to a wave that alters the properties of another wave, typically through changes in amplitude, frequency, or phase. This process is fundamental for transmitting information over distances, as it allows for the encoding of data onto a carrier wave, which can then be transmitted efficiently. To understand the significance of a modulating wave, one must first consider the basic principles of wave theory. Waves are disturbances that transfer energy from one point to another without the transfer of matter. In telecommunications, we often use electromagnetic waves, such as radio waves, to carry information. The modulating wave serves as the tool that modifies these carrier waves, making it possible to encode voice, video, or data signals.For instance, in amplitude modulation (AM), the amplitude of the carrier wave is varied in accordance with the modulating wave. This means that the strength of the signal fluctuates based on the information being sent. In contrast, frequency modulation (FM) involves changing the frequency of the carrier wave according to the modulating wave. Each method has its advantages and applications, but both rely on the essential function of the modulating wave to convey information.The practical applications of modulating waves are vast. In radio broadcasting, for example, AM and FM radio stations utilize modulating waves to transmit audio signals to listeners. Similarly, in television broadcasting, video and audio signals are combined through modulation techniques, allowing viewers to receive high-quality images and sound. Moreover, in modern digital communications, techniques such as Quadrature Amplitude Modulation (QAM) employ complex modulating waves to maximize data transmission rates over limited bandwidth.Beyond telecommunications, modulating waves also find applications in medical technologies, such as ultrasound imaging. Here, sound waves are modulated to create images of the inside of the body, aiding in diagnostics and treatment planning. This illustrates how the concept of modulating waves extends beyond traditional communication fields and into vital areas of healthcare.In conclusion, the modulating wave is an essential component in the transmission of information across various mediums. Its ability to encode data onto carrier waves enables effective communication in many forms, from radio broadcasts to advanced medical imaging. As technology continues to evolve, the importance of understanding and utilizing modulating waves will only grow, highlighting the need for ongoing research and development in this fascinating area of study. The interplay between modulating waves and carrier waves is a testament to the intricate nature of wave phenomena and their applications in our daily lives.

在物理和工程领域,调制波的概念在各种应用中发挥着至关重要的作用,尤其是在电信和信号处理领域。调制波是指通过改变另一波的属性(通常是幅度、频率或相位)来改变其特性的波。这一过程对于远距离传输信息至关重要,因为它使得数据能够编码到载波波上,从而高效地进行传输。要理解调制波的重要性,首先必须考虑波动理论的基本原理。波是从一个点向另一个点转移能量的扰动,而不转移物质。在电信中,我们通常使用电磁波,如无线电波,来携带信息。调制波作为修改这些载波波的工具,使得能够将语音、视频或数据信号编码。例如,在幅度调制(AM)中,载波波的幅度根据调制波变化。这意味着信号的强度会根据发送的信息波动。相比之下,频率调制(FM)涉及根据调制波改变载波波的频率。这两种方法各有优缺点和应用,但都依赖于调制波的基本功能来传达信息。调制波的实际应用广泛。例如,在广播中,AM和FM电台利用调制波将音频信号传输给听众。同样,在电视广播中,视频和音频信号通过调制技术结合,使观众能够接收到高质量的图像和声音。此外,在现代数字通信中,像正交幅度调制(QAM)这样的技术利用复杂的调制波最大化有限带宽上的数据传输速率。除了电信,调制波还在医疗技术中找到了应用,例如超声成像。在这里,声波被调制以创建身体内部的图像,帮助诊断和治疗计划。这说明了调制波的概念超越了传统通信领域,延伸到了医疗保健的重要领域。总之,调制波是信息通过各种媒介传输的基本组成部分。它将数据编码到载波波上的能力使得多种形式的有效沟通成为可能,从广播到先进的医学成像。随着技术的不断发展,理解和利用调制波的重要性只会增加,突显出在这一迷人研究领域继续进行研究和开发的必要性。调制波与载波波之间的相互作用证明了波现象及其在我们日常生活中的应用的复杂性。