modulator demodulator

简明释义

灯解调

英英释义

例句

1.The signal was transmitted using a modulator demodulator to ensure clear communication.

信号通过调制解调器传输，以确保通信清晰。

2.The modulator demodulator helps in encoding and decoding data for transmission.

该调制解调器有助于对数据进行编码和解码以进行传输。

3.I connected the modulator demodulator to my computer to access the internet.

我将调制解调器连接到我的电脑以访问互联网。

4.Using a modulator demodulator allows for better quality in voice over IP calls.

使用调制解调器可以提高IP语音通话的质量。

5.In digital communication, a modulator demodulator is essential for converting signals.

在数字通信中，调制解调器对于转换信号至关重要。

作文

In the field of telecommunications, the term modulator demodulator refers to a crucial device that plays a significant role in data transmission. A modulator demodulator, often abbreviated as modem, is essential for converting digital data from a computer into an analog signal that can be transmitted over telephone lines or other communication channels. This process is known as modulation. Conversely, when the signal reaches its destination, the modulator demodulator performs the reverse operation known as demodulation, converting the analog signal back into digital data for the receiving computer. The importance of the modulator demodulator in modern communication cannot be overstated. With the rapid advancement of technology and the increasing demand for high-speed internet access, modems have evolved significantly. Early modems operated at a mere 300 bps (bits per second), while today's devices can achieve speeds exceeding several gigabits per second. This evolution has made it possible for people to stream videos, play online games, and engage in video conferencing with minimal latency and interruptions.Understanding how a modulator demodulator works requires a basic knowledge of signal processing. During the modulation phase, the modem encodes the digital data by altering the properties of a carrier wave, such as its amplitude, frequency, or phase. This encoded signal is then sent over the communication medium. Upon arrival, the receiving modulator demodulator decodes the signal, extracting the original digital data for use by the computer or network device.In addition to traditional dial-up modems, there are various types of modulator demodulator devices, including DSL modems, cable modems, and fiber-optic modems. Each type utilizes different technologies to achieve high-speed data transmission. For instance, DSL (Digital Subscriber Line) modems use existing telephone lines to provide broadband internet access, while cable modems leverage coaxial cables used for cable television.The role of the modulator demodulator extends beyond simple data transmission. In many cases, these devices also incorporate additional features such as routing capabilities, firewall protection, and wireless connectivity. This integration allows users to connect multiple devices to the internet simultaneously, enhancing the overall user experience.As we look to the future, the modulator demodulator will continue to evolve alongside technological advancements. With the emergence of 5G networks and the Internet of Things (IoT), the demand for faster and more efficient data transmission will only increase. Future modems may incorporate advanced technologies such as artificial intelligence to optimize data flow and improve connectivity.In conclusion, the modulator demodulator is an indispensable component of modern telecommunications. Its ability to facilitate the conversion between digital and analog signals enables seamless communication across various platforms. As technology continues to advance, the modulator demodulator will undoubtedly play a pivotal role in shaping the future of connectivity, ensuring that we remain connected in an increasingly digital world.

在电信领域，术语modulator demodulator指的是一个在数据传输中起重要作用的关键设备。modulator demodulator，通常缩写为调制解调器，是将计算机的数字数据转换为可以通过电话线或其他通信渠道传输的模拟信号的必要设备。这个过程被称为调制。相反，当信号到达目的地时，modulator demodulator执行反向操作，称为解调，将模拟信号转换回接收计算机的数字数据。现代通信中modulator demodulator的重要性不容小觑。随着技术的快速发展和对高速互联网接入需求的不断增加，调制解调器发生了显著变化。早期的调制解调器以每秒仅300比特的速度运行，而今天的设备可以达到超过几个千兆比特每秒的速度。这种演变使人们能够流视频、玩在线游戏和进行视频会议，延迟和中断最小。要理解modulator demodulator的工作原理，需要对信号处理有基本的了解。在调制阶段，调制解调器通过改变载波信号的某些特性（例如幅度、频率或相位）来编码数字数据。然后，这个编码信号通过通信介质发送。到达后，接收的modulator demodulator解码信号，提取出原始的数字数据供计算机或网络设备使用。除了传统的拨号调制解调器，还有各种类型的modulator demodulator设备，包括DSL调制解调器、宽带调制解调器和光纤调制解调器。每种类型都利用不同的技术实现高速数据传输。例如，DSL（数字用户线）调制解调器使用现有的电话线路提供宽带互联网接入，而宽带调制解调器则利用用于有线电视的同轴电缆。modulator demodulator的角色不仅限于简单的数据传输。在许多情况下，这些设备还集成了额外的功能，例如路由能力、防火墙保护和无线连接。这种集成使用户能够同时连接多个设备到互联网，从而增强整体用户体验。展望未来，modulator demodulator将继续随着技术进步而发展。随着5G网络和物联网（IoT）的出现，对更快、更高效的数据传输的需求只会增加。未来的调制解调器可能会结合人工智能等先进技术，以优化数据流并改善连接。总之，modulator demodulator是现代电信中不可或缺的组成部分。它在数字和模拟信号之间的转换能力使得在各种平台上实现无缝通信成为可能。随着技术的不断进步，modulator demodulator无疑将在塑造连接未来方面发挥关键作用，确保我们在日益数字化的世界中保持连接。