modulated wave

简明释义

灯波

英英释义

例句

1.In fiber optic communication, information is transmitted using a modulated wave of light.

在光纤通信中，信息通过一束光的调制波进行传输。

2.Using a modulated wave, the satellite can communicate with ground stations effectively.

通过使用调制波，卫星可以有效地与地面站通信。

3.The radio transmitter sends out a modulated wave to carry audio signals over long distances.

无线电发射器发送出一个调制波以便将音频信号传输到远距离。

4.The modulated wave allows for better data transmission in wireless networks.

在无线网络中，调制波允许更好的数据传输。

5.The scientist studied the properties of a modulated wave in different mediums.

科学家研究了不同介质中调制波的特性。

作文

In the field of communication technology, the concept of a modulated wave plays a crucial role in transmitting information effectively over various distances. A modulated wave is essentially a wave that has been altered in some way to encode information. This alteration can take place in several forms, including amplitude modulation (AM), frequency modulation (FM), and phase modulation (PM). Each of these methods serves to enhance the capability of the wave to carry data, making it possible for us to enjoy radio broadcasts, television signals, and even mobile phone communications.To understand how a modulated wave works, we must first grasp the basics of wave properties. A wave is characterized by its frequency, wavelength, and amplitude. In the case of electromagnetic waves, these properties determine how the wave travels through space and interacts with various media. By modifying one of these properties, we can encode information onto the wave. For instance, in amplitude modulation, the amplitude of the carrier wave is varied in accordance with the information signal. This means that louder sounds will create larger peaks in the wave, while softer sounds will produce smaller peaks.Frequency modulation, on the other hand, alters the frequency of the wave rather than its amplitude. This method is often used in FM radio because it provides better sound quality and resistance to interference compared to AM. A modulated wave that employs frequency modulation will change its frequency in relation to the amplitude of the input signal, resulting in a clearer transmission of sound.Phase modulation, another technique used for creating a modulated wave, changes the phase of the wave to convey information. This method is particularly useful in digital communication systems, where binary data can be represented by different phase shifts of the wave. The ability to transmit data using a modulated wave in this manner has revolutionized the way we communicate, allowing for faster and more reliable connections.The applications of modulated waves extend beyond just radio and television. They are integral to satellite communication, Wi-Fi networks, and even Bluetooth technology. Each of these technologies relies on the principles of wave modulation to ensure that data is sent and received accurately. For example, in Wi-Fi networks, data is transmitted using radio waves that are modulated to carry large amounts of information at high speeds.Moreover, the study of modulated waves is not limited to traditional communication methods. Researchers are continually exploring new ways to utilize wave modulation in emerging technologies, such as quantum communication and advanced imaging techniques. The potential for innovation in this field is vast, as scientists work to develop new modulation schemes that can improve efficiency and security in data transmission.In conclusion, understanding the concept of a modulated wave is essential for anyone interested in the fields of telecommunications and electronics. The ability to manipulate wave properties to encode and transmit information has led to significant advancements in technology and has transformed the way we communicate. As we continue to explore the possibilities of wave modulation, we can expect to see even more groundbreaking developments that will shape the future of communication and information exchange.

在通信技术领域，调制波的概念在有效地传输信息方面起着至关重要的作用。调制波本质上是经过某种方式改变以编码信息的波。这种变化可以采取多种形式，包括幅度调制（AM）、频率调制（FM）和相位调制（PM）。这些方法各自增强了波携带数据的能力，使我们能够享受广播、电视信号甚至手机通信。要理解调制波的工作原理，我们首先必须掌握波的基本属性。波的特征由其频率、波长和振幅决定。在电磁波的情况下，这些属性决定了波如何在空间中传播以及如何与各种介质相互作用。通过修改这些属性中的一个，我们可以将信息编码到波上。例如，在幅度调制中，载波的振幅根据信息信号的变化而变化。这意味着更响的声音会在波中产生更大的峰值，而较柔和的声音则会产生较小的峰值。另一方面，频率调制则改变波的频率而不是其振幅。这种方法常用于FM广播，因为它提供了比AM更好的音质和抗干扰能力。采用频率调制的调制波将根据输入信号的振幅改变其频率，从而实现更清晰的声音传输。相位调制是另一种用于创建调制波的技术，它通过改变波的相位来传达信息。这种方法在数字通信系统中特别有用，因为二进制数据可以通过波的不同相位变化来表示。以这种方式传输数据的调制波的能力彻底改变了我们的通信方式，使得连接更加快速和可靠。调制波的应用不仅限于广播和电视。它们是卫星通信、Wi-Fi网络甚至蓝牙技术的核心。每种技术都依赖波调制的原理，以确保数据的准确发送和接收。例如，在Wi-Fi网络中，数据通过调制的无线电波传输，以高速度携带大量信息。此外，调制波的研究并不限于传统通信方法。研究人员不断探索利用波调制的新方法，以应对新兴技术，如量子通信和先进成像技术。这个领域的创新潜力巨大，科学家们正在努力开发新的调制方案，以提高数据传输的效率和安全性。总之，理解调制波的概念对于任何对电信和电子领域感兴趣的人来说都是必不可少的。操纵波属性以编码和传输信息的能力导致了技术的重大进步，并改变了我们的通信方式。随着我们继续探索波调制的可能性，我们可以期待看到更多突破性的进展，这将塑造通信和信息交换的未来。