dual tone multiple frequency

简明释义

双音多频

英英释义

例句

1.The dual tone multiple frequency system allows for efficient communication between devices.

双音多频系统允许设备之间高效通信。

2.Pressing the keys on your telephone generates dual tone multiple frequency sounds.

在电话上按下按键会产生双音多频声音。

3.When you dial a number, your phone transmits dual tone multiple frequency signals to the network.

当你拨打电话号码时，你的手机向网络发送双音多频信号。

4.The phone system uses dual tone multiple frequency (DTMF) technology to recognize button presses.

电话系统使用双音多频（DTMF）技术来识别按键。

5.Many automated systems rely on dual tone multiple frequency for user input.

许多自动化系统依赖双音多频进行用户输入。

作文

In the realm of telecommunications and signaling, the term dual tone multiple frequency holds significant importance. This technology is widely used in telephone systems to convey various signals through a combination of two distinct tones. Understanding how this system works can enhance our appreciation for modern communication methods and their underlying technologies.The dual tone multiple frequency signaling system operates on a simple yet effective principle. Each key on a telephone keypad corresponds to a specific combination of two frequencies. For example, when you press the '1' key, the phone generates a sound consisting of two particular frequencies: 697 Hz and 1209 Hz. This method of encoding allows for a reliable transmission of signals over the phone line, ensuring that the numbers dialed are accurately received by the telephone exchange.One of the primary advantages of using dual tone multiple frequency is its robustness against noise and interference. Traditional analog signaling systems were often susceptible to static and other forms of distortion, which could lead to miscommunication. However, because dual tone multiple frequency transmits information through a combination of tones rather than a single signal, it is much more resilient. This means that even if some noise is present on the line, the receiving system can still accurately interpret the intended tones and thus the dialed number.Moreover, the dual tone multiple frequency system is not only limited to traditional telephony. It has found applications in various modern technologies, such as interactive voice response (IVR) systems, automated dialing systems, and even in some video games where players need to input commands through their phones. The versatility of this technology demonstrates its relevance in both historical and contemporary contexts.Additionally, understanding dual tone multiple frequency can provide insights into the evolution of communication technology. As we transitioned from rotary dial phones to touch-tone phones, the introduction of this signaling method marked a significant advancement. It paved the way for more efficient communication methods and laid the groundwork for the digital age we live in today.In conclusion, the concept of dual tone multiple frequency is essential for anyone interested in the mechanics of telecommunications. It represents a vital innovation that has enhanced the reliability and efficiency of phone communication. By grasping this concept, we can better appreciate the complexity of the technologies that allow us to connect with others across vast distances. As technology continues to evolve, the principles behind dual tone multiple frequency will likely remain relevant, serving as a foundation for future advancements in communication systems.

在电信和信号领域，术语双音多频具有重要意义。这项技术广泛应用于电话系统，通过两种不同的音调组合传递各种信号。理解这个系统的工作原理可以增强我们对现代通信方法及其基础技术的欣赏。双音多频信号系统基于一个简单而有效的原理。电话键盘上的每个按键都对应一组特定的两个频率。例如，当你按下“1”键时，电话会生成一个由697赫兹和1209赫兹组成的声音。这种编码信息的方法使得信号能够可靠地通过电话线传输，确保拨打的号码被电话交换机准确接收。使用双音多频的主要优点之一是它对噪声和干扰的强大抵抗力。传统的模拟信号系统往往容易受到静电和其他形式的失真影响，这可能导致误通信。然而，由于双音多频通过两种音调的组合而非单一信号传输信息，它更加稳健。这意味着即使线路上存在一些噪声，接收系统仍然可以准确解读预期的音调，从而得到拨打的号码。此外，双音多频系统不仅限于传统电话。它在各种现代技术中找到了应用，例如交互式语音应答（IVR）系统、自动拨号系统，甚至在某些需要通过手机输入命令的视频游戏中。这项技术的多功能性展示了它在历史和当代背景下的相关性。此外，理解双音多频可以为我们提供对通信技术演变的洞察。当我们从旋转拨号电话过渡到触控电话时，这种信号方法的引入标志着一个重要的进步。它为更高效的通信方法铺平了道路，并为我们今天生活的数字时代奠定了基础。总之，双音多频的概念对任何对电信机械感兴趣的人来说都是至关重要的。它代表了一项重要的创新，增强了电话通信的可靠性和效率。通过掌握这一概念，我们可以更好地欣赏那些让我们能够跨越广阔距离与他人联系的技术的复杂性。随着技术的不断发展，双音多频背后的原则可能仍将保持相关性，为未来通信系统的进步奠定基础。