digital modem

简明释义

数字灯解调

英英释义

A digital modem is a device that modulates and demodulates digital signals for transmission over communication lines, enabling digital data to be sent and received between computers and networks.

数字调制解调器是一种设备,用于对数字信号进行调制和解调,以便通过通信线路传输,从而使计算机和网络之间能够发送和接收数字数据。

例句

1.The digital modem allows for faster data transfer rates.

这个数字调制解调器允许更快的数据传输速率。

2.Make sure your digital modem is properly configured for optimal performance.

确保你的数字调制解调器正确配置,以获得最佳性能。

3.The technician came to install the digital modem yesterday.

技术人员昨天来安装数字调制解调器

4.I connected my laptop to the internet using a digital modem.

我通过一个数字调制解调器将我的笔记本电脑连接到互联网。

5.We upgraded our internet service, and now we have a new digital modem.

我们升级了互联网服务,现在有了一个新的数字调制解调器

作文

In the modern world, connectivity is paramount, and at the heart of this connectivity lies the digital modem. A digital modem is a device that modulates and demodulates digital signals for communication over various mediums, such as telephone lines or cable systems. This technology has revolutionized how we access the internet, enabling faster data transmission and improved communication capabilities.The term 'modem' is derived from 'modulator-demodulator', which succinctly describes its primary function. When we send data over the internet, it is typically in the form of binary code, which consists of ones and zeros. The digital modem converts these digital signals into analog signals that can travel over traditional phone lines. Conversely, when data is received, the digital modem converts the analog signals back into digital format for our devices to understand.One of the key advantages of a digital modem is its ability to maintain high-speed internet connections. Unlike older analog modems, which could only transmit data at lower speeds, digital modems can achieve much higher bandwidths. This is particularly important in today's digital age, where streaming video, online gaming, and large file transfers are commonplace. With a reliable digital modem, users can enjoy seamless internet experiences without the frustrating interruptions that were common with earlier technologies.Moreover, the advent of digital modems has facilitated the rise of broadband internet. Broadband refers to high-capacity transmission techniques that enable multiple signals to be sent simultaneously over a single communication medium. The digital modem plays a crucial role in this process by allowing for the simultaneous transmission of voice, video, and data, thus enhancing the overall efficiency of communications.In addition to their speed and efficiency, digital modems also offer greater reliability compared to their analog counterparts. They are less susceptible to noise and interference, which can distort signals and lead to poor connection quality. This reliability is essential for businesses that rely on stable internet connections for their operations. With a robust digital modem, companies can ensure that their employees remain connected, facilitating better collaboration and productivity.Another significant aspect of digital modems is their versatility. They come in various forms, including DSL modems, cable modems, and fiber-optic modems. Each type serves a different purpose and is suited for different types of internet service. For instance, DSL modems use existing telephone lines to provide internet access, while cable modems utilize coaxial cables. Fiber-optic modems, on the other hand, offer the fastest internet speeds by transmitting data as light through optical fibers. This variety allows consumers to choose the best option that meets their specific needs.As technology continues to evolve, so too do digital modems. Recent advancements have led to the development of wireless modems, which eliminate the need for physical connections and allow users to connect multiple devices to the internet simultaneously. This convenience has become increasingly important in households where multiple family members rely on internet access for work, school, and leisure activities.In conclusion, the digital modem is an essential component of modern telecommunications. It not only enables high-speed internet access but also enhances the reliability and versatility of connections. As we continue to advance technologically, the role of the digital modem will likely expand, further shaping the way we communicate and interact with the world around us.

在现代世界中,连接至关重要,而这种连接的核心就是数字调制解调器数字调制解调器是一种设备,用于对数字信号进行调制和解调,以便通过各种媒介(如电话线或电缆系统)进行通信。这项技术彻底改变了我们访问互联网的方式,使数据传输速度更快,通信能力得到了改善。“调制解调器”这个术语源自“调制解调器”,简洁地描述了它的主要功能。当我们通过互联网发送数据时,通常以二进制代码的形式存在,包含零和一。数字调制解调器将这些数字信号转换为可以在传统电话线上传输的模拟信号。相反,当接收到数据时,数字调制解调器将模拟信号转换回数字格式,以便我们的设备理解。数字调制解调器的一个关键优势是其能够维持高速互联网连接。与只能以较低速度传输数据的旧式模拟调制解调器不同,数字调制解调器能够实现更高的带宽。这在当今数字时代尤为重要,因为流媒体视频、在线游戏和大文件传输已变得司空见惯。借助可靠的数字调制解调器,用户可以享受无缝的互联网体验,而不必经历早期技术常见的令人沮丧的中断。此外,数字调制解调器的出现促进了宽带互联网的发展。宽带是指高容量传输技术,能够在单一通信媒介上同时发送多个信号。数字调制解调器在这一过程中发挥了至关重要的作用,允许同时传输语音、视频和数据,从而提高通信的整体效率。除了速度和效率外,数字调制解调器还比其模拟同类产品提供更大的可靠性。它们对噪声和干扰的抵抗力更强,这些因素可能会扭曲信号并导致连接质量差。这种可靠性对于依赖稳定互联网连接进行运营的企业至关重要。通过强大的数字调制解调器,公司可以确保员工保持连接,从而促进更好的协作和生产力。数字调制解调器的另一个重要方面是其多功能性。它们有多种形式,包括DSL调制解调器、电缆调制解调器和光纤调制解调器。每种类型都有不同的用途,适用于不同类型的互联网服务。例如,DSL调制解调器使用现有的电话线提供互联网接入,而电缆调制解调器利用同轴电缆。光纤调制解调器则通过光纤中的光来传输数据,提供最快的互联网速度。这种多样性使消费者能够选择最适合自己特定需求的选项。随着技术的不断发展,数字调制解调器也在不断演进。最近的进展导致了无线调制解调器的发展,这消除了物理连接的需要,并允许用户同时将多个设备连接到互联网。这种便利在家庭中变得越来越重要,因为多个家庭成员依赖互联网接入进行工作、学习和休闲活动。总之,数字调制解调器是现代电信中不可或缺的组成部分。它不仅能够实现高速互联网接入,还增强了连接的可靠性和多功能性。随着我们继续在技术上取得进步,数字调制解调器的作用可能会进一步扩大,进一步塑造我们与周围世界的沟通和互动方式。

相关单词

digital

digital详解:怎么读、什么意思、用法

modem

modem详解:怎么读、什么意思、用法