modulator

简明释义

英[/ˈmɒd.jʊ.leɪ.tər/]美[/ˈmɒd.jʊ.leɪ.tər/]

n. [电子] 调幅器，[电子][通信] 调制器；调节人

英英释义

单词用法

同义词

反义词

例句

1.A fast modulator for pulse electron gun is briefly described.

本文简要描述了供脉冲电子枪用的快速调制器。

2.The key is something called a selective androgen receptor modulator, or SARM.

关键是所谓选择性雄激素受体调节剂，或行动情报处。

3.In a LASER printer, a device that USES a modulator crystal to deflect a beam of light and effectively turn it on or off.

在激光印刷机中的一种装置，它利用一块调制晶体使光束偏转并将其接通或断开。

4.This paper focuses on the construction of the whole DVB-C modulator system and the realization of the core algorithm.

本文所研究的正是数字视频广播有线电视(DVB - C)调制器的系统构建和核心算法的实现。

5.Optical Transmitter by the light source, and the modulator driver components.

光发射机是由光源、驱动器和调制器组成。

6.The effect of phase modulator of optical fiber gyro and light source stability on overall system property is analyzed.

从理论上分析光纤陀螺位相调制器及光源不稳定对整机性能特别是对漂移的影响。

7.The ring amplitude modulator is one of the most usual modulator.

环形振幅调制器是目前最常用的几种调制器之一。

8.The modulator in the device helps to encode the information.

设备中的调制器有助于编码信息。

9.The modulator adjusts the frequency of the carrier wave.

这个调制器调整载波的频率。

10.She used a digital modulator to enhance her music production.

她使用数字调制器来增强她的音乐制作。

11.The audio signal was processed by a modulator to improve sound quality.

音频信号经过一个调制器处理，以提高音质。

12.In telecommunications, a modulator is essential for transmitting data over radio waves.

在电信中，调制器对于通过无线电波传输数据至关重要。

作文

In the realm of communication technology, the term modulator (调制器) plays a crucial role in ensuring that information is transmitted efficiently and effectively. A modulator is a device or component that modifies a carrier signal to encode information, allowing it to be sent over various mediums such as radio waves, fiber optics, or even through sound waves. This process of modulation is essential for enabling the transmission of data over long distances without significant loss or interference.To understand the importance of a modulator (调制器), one can consider the example of radio broadcasting. When a radio station transmits music or news, it does so by using a carrier wave. However, this wave alone cannot carry the information of the audio signals directly. Here, the modulator comes into play by altering the amplitude, frequency, or phase of the carrier wave according to the audio input. This modulation allows the sound to be encoded onto the carrier wave, which can then travel through the air to reach radios tuned to the appropriate frequency.Moreover, in the digital age, the role of modulators (调制器) has expanded beyond traditional analog signals. Digital modulation techniques such as Phase Shift Keying (PSK) and Quadrature Amplitude Modulation (QAM) have emerged, enabling high-speed data transmission over various platforms. These advanced modulators are essential for modern telecommunications, including mobile networks and internet connectivity, where large amounts of data need to be transmitted quickly and reliably.The significance of modulators (调制器) is not limited to communication systems alone. They also find applications in various fields such as medical imaging, where they help in modulating signals for devices like MRI machines. In these contexts, the ability to accurately modulate signals can lead to better image quality and more precise diagnostics.Additionally, the design and development of modulators (调制器) involve complex engineering principles. Engineers must consider factors such as bandwidth, signal-to-noise ratio, and the specific requirements of the application when creating a modulator. This complexity highlights the importance of research and innovation in the field, as advancements in modulation technology can lead to improved performance and new capabilities in communication systems.In conclusion, the concept of a modulator (调制器) is fundamental to our understanding of how information is transmitted across different platforms. Whether in radio broadcasting, telecommunications, or medical imaging, modulators play a vital role in ensuring that signals are effectively transmitted and received. As technology continues to evolve, the importance of modulators will only increase, paving the way for more advanced communication systems that can meet the demands of a rapidly changing world.

在通信技术领域，术语modulator（调制器）在确保信息有效和高效传输方面发挥着至关重要的作用。modulator是一个设备或组件，它修改载波信号以编码信息，从而使其能够通过各种介质进行传输，例如无线电波、光纤甚至声波。这种调制过程对于使数据能够在长距离上传输而不会显著损失或干扰是必不可少的。为了理解modulator（调制器）的重要性，可以考虑广播电台的例子。当广播电台传输音乐或新闻时，它是通过使用载波波形来实现的。然而，仅仅依靠这条波形无法直接携带音频信号的信息。在这里，modulator发挥了作用，通过根据音频输入改变载波波形的幅度、频率或相位来实现调制。这种调制使得声音能够被编码到载波波形上，然后通过空气传播到调频的收音机。此外，在数字时代，modulators（调制器）的作用已经超越了传统的模拟信号。数字调制技术如相位移键控（PSK）和正交振幅调制（QAM）已经出现，使得在各种平台上实现高速数据传输成为可能。这些先进的modulators对于现代电信至关重要，包括移动网络和互联网连接，其中需要快速可靠地传输大量数据。modulators（调制器）的重要性不仅限于通信系统。它们还在医学成像等各个领域中找到应用，帮助调制诸如MRI机器等设备的信号。在这些情况下，准确调制信号的能力可以导致更好的图像质量和更精确的诊断。此外，modulators（调制器）的设计和开发涉及复杂的工程原理。工程师在创建modulator时，必须考虑带宽、信噪比和应用的具体要求等因素。这种复杂性突显了该领域研究和创新的重要性，因为调制技术的进步可以改善性能并在通信系统中引入新功能。总之，modulator（调制器）的概念是我们理解信息如何通过不同平台传输的基础。无论是在广播、通信还是医学成像中，modulators在确保信号有效传输和接收方面都发挥着重要作用。随着技术的不断发展，modulators的重要性只会增加，为满足快速变化的世界需求铺平道路。