orthogonal code

简明释义

正交码

英英释义

例句

1.Using orthogonal code allows multiple users to share the same frequency band without interference.

使用正交码允许多个用户在没有干扰的情况下共享相同的频段。

2.The design of the algorithm ensures that the orthogonal code maintains high efficiency in data encoding.

该算法的设计确保正交码在数据编码中保持高效率。

3.Researchers are exploring new methods to generate orthogonal code sequences for improved signal quality.

研究人员正在探索生成新的正交码序列的方法，以提高信号质量。

4.In CDMA technology, each user is assigned a unique orthogonal code for data transmission.

在CDMA技术中，每个用户被分配一个独特的正交码用于数据传输。

5.The communication system utilizes orthogonal code to minimize interference between signals.

该通信系统利用正交码来最小化信号之间的干扰。

作文

In the realm of telecommunications and data transmission, the concept of orthogonal code (正交编码) plays a pivotal role in enhancing the efficiency and reliability of communication systems. The term 'orthogonal' refers to the idea of being independent or uncorrelated, which is essential when multiple signals are transmitted simultaneously over the same channel. By utilizing orthogonal codes (正交编码), we can ensure that these signals do not interfere with one another, thus maintaining the integrity of the data being communicated.One of the most notable applications of orthogonal codes (正交编码) is found in Code Division Multiple Access (CDMA) technology. CDMA allows multiple users to share the same frequency band by assigning each user a unique orthogonal code (正交编码). These codes are designed in such a way that they are mathematically orthogonal, meaning that when one code is transmitted, it can be distinguished from others even if they overlap in time and frequency. This ability to separate signals effectively is what makes CDMA a powerful method for wireless communication.The mathematical foundation of orthogonal codes (正交编码) lies in linear algebra. Two vectors are considered orthogonal if their dot product is zero. In the context of coding, this means that the inner product of any two different codes will yield zero, indicating that they do not share any common information. This property is crucial for minimizing interference and maximizing the capacity of communication channels.In addition to telecommunications, orthogonal codes (正交编码) have applications in various fields such as digital signal processing, radar, and even cryptography. For instance, in digital signal processing, orthogonal codes (正交编码) are utilized in spread spectrum techniques, where a signal is spread over a wider bandwidth than necessary. This spreading helps to reduce the chance of interception and enhances the security of the communication.Moreover, the use of orthogonal codes (正交编码) is not limited to just technical applications; it also has implications in areas like data storage and retrieval. In computer science, orthogonal codes (正交编码) can help in organizing data in a way that minimizes redundancy and optimizes access times. By ensuring that different pieces of data are encoded using independent codes, we can prevent conflicts and improve the overall efficiency of data management systems.Despite the advantages offered by orthogonal codes (正交编码), implementing them can present challenges. Designing effective orthogonal codes (正交编码) requires a deep understanding of both the theoretical and practical aspects of coding theory. Engineers must consider factors such as code length, the number of users, and the specific requirements of the communication system to create codes that are both efficient and resilient to noise.In conclusion, the significance of orthogonal codes (正交编码) in modern communication cannot be overstated. They are fundamental to ensuring that multiple signals can coexist without interference, thereby enabling seamless communication in our increasingly connected world. As technology continues to advance, the development and optimization of orthogonal codes (正交编码) will remain a critical area of research, promising further improvements in the performance and reliability of communication systems worldwide.

在电信和数据传输的领域中，正交编码这一概念在提高通信系统的效率和可靠性方面发挥了关键作用。“正交”一词指的是独立或不相关的概念，这在多个信号同时通过同一信道传输时至关重要。通过利用正交编码，我们可以确保这些信号不会相互干扰，从而保持所传输数据的完整性。正交编码的一个显著应用可以在码分多址（CDMA）技术中找到。CDMA允许多个用户共享同一频率带，通过为每个用户分配一个独特的正交编码。这些代码的设计方式使其在数学上是正交的，这意味着当一个代码被传输时，即使它们在时间和频率上重叠，也能与其他代码区分开来。这种有效分离信号的能力使得CDMA成为无线通信的强大方法。正交编码的数学基础在于线性代数。两个向量被认为是正交的，如果它们的点积为零。在编码的背景下，这意味着任何两个不同代码的内积将产生零值，表明它们没有共享任何共同信息。这个特性对于最小化干扰和最大化通信通道的容量至关重要。除了电信，正交编码在数字信号处理、雷达甚至密码学等多个领域也有应用。例如，在数字信号处理中，正交编码用于扩频技术，其中信号在比必要更宽的带宽上扩展。这种扩展有助于减少拦截的可能性，提高通信的安全性。此外，正交编码的使用不仅限于技术应用，它在数据存储和检索等领域也有影响。在计算机科学中，正交编码可以帮助以最小化冗余和优化访问时间的方式组织数据。通过确保不同的数据片段使用独立代码进行编码，我们可以防止冲突并提高数据管理系统的整体效率。尽管正交编码提供了许多优势，但实施它们可能会面临挑战。设计有效的正交编码需要对编码理论的理论和实践方面有深入的理解。工程师必须考虑代码长度、用户数量以及通信系统的具体要求，以创建既高效又能抵御噪声的代码。总之，正交编码在现代通信中的重要性不容小觑。它们是确保多个信号能够共存而不干扰的基础，从而使我们日益互联的世界中的无缝通信成为可能。随着技术的不断进步，正交编码的开发和优化将仍然是一个关键研究领域，承诺进一步改善全球通信系统的性能和可靠性。