external modulation

简明释义

外部灯

英英释义

例句

1.In telecommunications, external modulation is essential for improving signal integrity.

在电信中，外部调制对于提高信号完整性至关重要。

2.The new model features improved external modulation capabilities for better performance.

新型号具有改进的外部调制功能，以提供更好的性能。

3.The audio system uses external modulation to enhance sound quality.

该音频系统使用外部调制来增强音质。

4.The researchers applied external modulation techniques to control the laser output.

研究人员应用了外部调制技术来控制激光输出。

5.Using external modulation, the system can adapt to varying environmental conditions.

通过使用外部调制，系统可以适应不同的环境条件。

作文

In the field of communication technology, the term external modulation refers to a method where an external signal is used to modify the properties of a carrier wave. This technique is crucial for transmitting information over various media, such as radio waves, optical fibers, and even electrical signals. The concept of external modulation can be likened to how a musician uses an instrument to produce different sounds by varying their input. Just as a musician adjusts their technique to create a desired melody, engineers utilize external modulation to enhance the quality and efficiency of data transmission.The benefits of external modulation are numerous. For instance, it allows for greater flexibility in the design of communication systems. By employing an external signal to modulate the carrier wave, engineers can achieve higher bandwidths and improved signal-to-noise ratios. This results in clearer communication and the ability to transmit more data simultaneously. In contrast, internal modulation methods often limit the system's performance due to inherent constraints within the modulating device itself.Moreover, external modulation plays a significant role in modern optical communication systems. In these systems, light waves are used to carry information over long distances. By applying external modulation, engineers can control the intensity, phase, or frequency of the light waves, which directly impacts the amount of data that can be transmitted. This is particularly important in applications like fiber-optic communications, where maintaining signal integrity over long distances is essential.Another noteworthy aspect of external modulation is its application in wireless communication. Many wireless technologies rely on this technique to ensure efficient use of the available spectrum. For example, in cellular networks, external modulation enables multiple users to share the same frequency band without causing interference. This is achieved by modulating the carrier signal based on the unique characteristics of each user's data, allowing for simultaneous transmissions over the same channel.In summary, external modulation is a vital component of contemporary communication systems. Its ability to enhance signal quality and increase data transmission rates makes it indispensable in various applications, from optical fibers to wireless networks. As technology continues to evolve, the importance of understanding and implementing external modulation will only grow. Engineers and researchers must continue to explore innovative ways to leverage this technique to meet the increasing demand for faster and more reliable communication solutions.In conclusion, mastering the concept of external modulation is essential for anyone involved in the field of communication technology. By recognizing its applications and advantages, professionals can better design systems that meet the needs of an ever-changing technological landscape. As we move forward, the integration of external modulation into new technologies will undoubtedly shape the future of communication, making it more efficient and effective than ever before.

在通信技术领域，术语外部调制指的是一种方法，其中使用外部信号来修改载波波的特性。这种技术对于通过各种媒介（如无线电波、光纤甚至电信号）传输信息至关重要。外部调制的概念可以比作音乐家如何利用乐器通过改变输入来产生不同的声音。正如音乐家调整他们的技巧以创造所需的旋律，工程师利用外部调制来提高数据传输的质量和效率。外部调制的好处是众多的。例如，它允许在通信系统的设计中具有更大的灵活性。通过采用外部信号来调制载波，工程师可以实现更高的带宽和更好的信噪比。这导致了更清晰的通信和同时传输更多数据的能力。相比之下，内部调制方法常常由于调制设备本身的固有限制而限制系统的性能。此外，外部调制在现代光通信系统中发挥着重要作用。在这些系统中，光波用于携带长距离的信息。通过应用外部调制，工程师可以控制光波的强度、相位或频率，这直接影响到可以传输的数据量。这在光纤通信等应用中尤为重要，因为在长距离内保持信号完整性至关重要。另一个值得注意的方面是外部调制在无线通信中的应用。许多无线技术依赖于这种技术来确保有效利用可用的频谱。例如，在蜂窝网络中，外部调制使多个用户能够在不造成干扰的情况下共享同一频段。这是通过根据每个用户数据的独特特征调制载波信号来实现的，从而允许在同一通道上同时进行传输。总之，外部调制是当代通信系统的重要组成部分。它增强信号质量和增加数据传输速率的能力使其在光纤到无线网络等各种应用中不可或缺。随着技术的不断发展，理解和实施外部调制的重要性只会增加。工程师和研究人员必须继续探索创新的方法，以利用这一技术来满足对更快和更可靠的通信解决方案日益增长的需求。最后，掌握外部调制的概念对于任何参与通信技术领域的人来说都是必不可少的。通过认识到它的应用和优点，专业人士可以更好地设计满足不断变化的技术环境需求的系统。随着我们向前发展，将外部调制整合到新技术中无疑将塑造通信的未来，使其比以往任何时候都更高效和有效。