modulation code

简明释义

调制码

英英释义

例句

1.The new communication system uses a sophisticated modulation code to improve signal clarity.

新的通信系统使用一种复杂的调制编码来提高信号清晰度。

2.To enhance security, the system employs a unique modulation code for encrypted messages.

为了增强安全性，该系统为加密消息采用独特的调制编码。

3.Engineers are developing a modulation code that can withstand interference in urban environments.

工程师们正在开发一种可以承受城市环境干扰的调制编码。

4.In wireless networks, the choice of modulation code affects the data transfer rate significantly.

在无线网络中，调制编码的选择显著影响数据传输速率。

5.The modulation code used in satellite communications must be robust to handle long distances.

用于卫星通信的调制编码必须足够强大以应对长距离传输。

作文

In the realm of telecommunications and data transmission, the term modulation code refers to a specific set of rules or techniques used to encode information onto carrier signals. This process is essential for effective communication over various media, including radio waves, fiber optics, and even digital networks. Understanding modulation code is crucial for anyone involved in the fields of engineering, computer science, or telecommunications, as it forms the backbone of how data is transmitted and received.To grasp the concept of modulation code, one must first understand the basic principles of modulation itself. Modulation is the technique by which a message signal is combined with a carrier signal to enable the transmission of information over distances that would otherwise be impractical. In essence, the carrier signal acts as a vehicle for the message, allowing it to travel through different environments, whether they are physical or electromagnetic.There are several types of modulation techniques, including amplitude modulation (AM), frequency modulation (FM), and phase modulation (PM). Each of these techniques has its own unique modulation code that dictates how the information is encoded. For example, in amplitude modulation, the amplitude of the carrier wave is varied in accordance with the information signal, while in frequency modulation, the frequency of the carrier wave is altered based on the input signal. The choice of modulation technique directly affects the efficiency and quality of the transmitted signal.Moreover, the importance of modulation code extends beyond just the initial encoding of the information. It plays a vital role in error detection and correction as well. In modern communication systems, especially those that rely on digital transmission, robust modulation codes are implemented to ensure that the information can be accurately reconstructed at the receiving end, even in the presence of noise and interference. Techniques such as Forward Error Correction (FEC) utilize specific modulation codes to identify and correct errors that may occur during transmission.As technology continues to evolve, so too do the modulation codes used in communication systems. Newer methods such as Quadrature Amplitude Modulation (QAM) and Orthogonal Frequency Division Multiplexing (OFDM) have emerged, providing greater data rates and improved performance in challenging environments. These advanced modulation codes allow for more efficient use of bandwidth, enabling the transmission of higher volumes of data without sacrificing quality.In conclusion, the concept of modulation code is fundamental to understanding how information is transmitted in our increasingly connected world. From traditional radio broadcasts to modern digital communications, modulation codes serve as the key to encoding and decoding information effectively. As we move forward into an era of rapid technological advancement, the significance of mastering modulation codes will only continue to grow, making it an essential topic for students and professionals alike in the fields of telecommunications and data science.In summary, the study of modulation code not only enhances our understanding of communication systems but also equips us with the knowledge necessary to innovate and improve future technologies. By delving into the intricacies of how information is encoded and transmitted, we can better appreciate the complexities of our interconnected world.

在电信和数据传输领域，术语调制编码指的是一组特定的规则或技术，用于将信息编码到载波信号上。这个过程对于通过各种媒介（包括无线电波、光纤甚至数字网络）进行有效的通信至关重要。理解调制编码对于任何参与工程、计算机科学或电信领域的人来说都是至关重要的，因为它构成了数据传输和接收的基础。要理解调制编码的概念，首先必须了解调制本身的基本原理。调制是将消息信号与载波信号结合的技术，以便能够在否则不切实际的距离上传输信息。本质上，载波信号充当消息的载体，使其能够通过不同的环境传播，无论这些环境是物理的还是电磁的。有几种类型的调制技术，包括幅度调制（AM）、频率调制（FM）和相位调制（PM）。每种技术都有其独特的调制编码，规定了信息的编码方式。例如，在幅度调制中，载波波形的幅度根据信息信号变化，而在频率调制中，载波波形的频率根据输入信号变化。调制技术的选择直接影响传输信号的效率和质量。此外，调制编码的重要性不仅限于信息的初始编码。它在错误检测和纠正中也发挥着至关重要的作用。在现代通信系统中，尤其是那些依赖于数字传输的系统，强大的调制编码被实施以确保即使在噪声和干扰存在的情况下，也能准确重建信息。前向纠错（FEC）等技术利用特定的调制编码来识别和纠正在传输过程中可能发生的错误。随着技术的不断发展，通信系统中使用的调制编码也在不断演变。新的方法，如正交振幅调制（QAM）和正交频分复用（OFDM）已经出现，提供了更高的数据速率和在挑战性环境中的改进性能。这些先进的调制编码允许更有效地利用带宽，从而在不牺牲质量的情况下传输更大量的数据。总之，调制编码的概念是理解我们日益互联的世界中信息如何传输的基础。从传统的广播到现代数字通信，调制编码作为有效编码和解码信息的关键。随着我们进入快速技术进步的时代，掌握调制编码的重要性只会继续增长，使其成为电信和数据科学领域的学生和专业人士的一个重要主题。总而言之，研究调制编码不仅增强了我们对通信系统的理解，还使我们具备了创新和改善未来技术所需的知识。通过深入研究信息如何被编码和传输的复杂性，我们可以更好地欣赏我们互联世界的复杂性。