cyclic redundancy check code

简明释义

循环冗余校验码

英英释义

例句

1.The data transfer process includes a cyclic redundancy check code to ensure integrity.

数据传输过程中包含一个循环冗余校验码以确保完整性。

2.If the cyclic redundancy check code does not match, the file may be corrupted.

如果循环冗余校验码不匹配，文件可能已损坏。

3.The cyclic redundancy check code helps identify errors during data transmission.

在数据传输过程中，循环冗余校验码帮助识别错误。

4.Network devices often use a cyclic redundancy check code to verify data packets.

网络设备通常使用循环冗余校验码来验证数据包。

5.When saving files, the system generates a cyclic redundancy check code for error detection.

保存文件时，系统生成一个循环冗余校验码用于错误检测。

作文

In today's digital world, data integrity is of utmost importance. One of the essential methods used to ensure that data remains accurate and uncorrupted during transmission is the use of a cyclic redundancy check code. This technique plays a crucial role in various applications, from computer networks to storage devices, ensuring that the information we rely on is not compromised. A cyclic redundancy check code is a type of error-detecting code that is used to identify accidental changes to raw data. It works by applying a mathematical algorithm to the data to produce a short, fixed-length binary sequence, known as a checksum. When the data is sent or stored, this checksum is also transmitted or saved alongside it. Upon retrieval or reception, the system recalculates the checksum based on the received data and compares it to the original checksum. If the two match, the data is considered intact; if not, it indicates that an error has occurred during transmission or storage.The effectiveness of the cyclic redundancy check code lies in its ability to detect common types of errors, such as single-bit errors, burst errors, and even some random noise-induced errors. This makes it particularly valuable in environments where data integrity is critical, such as in telecommunications, data storage, and computer networking. For instance, when files are downloaded from the internet, a cyclic redundancy check code may be employed to verify that the file has not been altered or corrupted during the download process.Moreover, the implementation of a cyclic redundancy check code is relatively simple, requiring minimal computational resources. This efficiency allows it to be widely adopted across various technologies, including hard drives, CDs, DVDs, and network protocols like Ethernet. In fact, many modern communication protocols integrate cyclic redundancy check codes to ensure reliable data transfer over potentially unreliable networks.However, while the cyclic redundancy check code is effective at detecting errors, it is not foolproof. There are certain limitations to its capabilities; for example, it may not catch all types of errors, particularly in cases where multiple bits are flipped in a way that results in the same checksum. Therefore, while it serves as a robust first line of defense against data corruption, it is often used in conjunction with other error detection and correction techniques to enhance overall reliability.In conclusion, the cyclic redundancy check code is a vital component in the realm of data transmission and storage. Its ability to detect errors ensures that the information we depend on remains accurate and trustworthy. As technology continues to advance, the importance of maintaining data integrity will only grow, making the cyclic redundancy check code an indispensable tool in the fight against data corruption. Understanding how this mechanism works not only highlights the sophistication of modern data handling but also underscores the ongoing need for vigilance in preserving the accuracy of our digital communications.

在当今数字世界中，数据完整性至关重要。确保数据在传输过程中保持准确和未损坏的基本方法之一是使用循环冗余校验码。这一技术在各种应用中发挥着关键作用，从计算机网络到存储设备，确保我们依赖的信息不被破坏。循环冗余校验码是一种用于识别原始数据意外更改的错误检测代码。它通过对数据应用数学算法来生成一个短的、固定长度的二进制序列，称为校验和。当数据被发送或存储时，这个校验和也会与之一起传输或保存。在检索或接收时，系统根据接收到的数据重新计算校验和，并将其与原始校验和进行比较。如果两者匹配，则数据被认为是完整的；如果不匹配，则表明在传输或存储过程中发生了错误。循环冗余校验码的有效性在于它能够检测常见类型的错误，例如单比特错误、突发错误以及某些随机噪声引起的错误。这使得它在数据完整性至关重要的环境中特别有价值，例如在电信、数据存储和计算机网络中。例如，当文件从互联网下载时，可能会使用循环冗余校验码来验证文件在下载过程中没有被更改或损坏。此外，实施循环冗余校验码相对简单，所需的计算资源最小。这种高效性使其被广泛应用于各种技术，包括硬盘、CD、DVD和以太网等网络协议。实际上，许多现代通信协议都集成了循环冗余校验码以确保在潜在不可靠的网络上可靠地传输数据。然而，尽管循环冗余校验码在检测错误方面有效，但它并不是万无一失的。它的能力存在某些限制；例如，在多个比特以一种导致相同校验和的方式翻转的情况下，它可能无法捕捉到所有类型的错误。因此，虽然它作为防止数据损坏的强大第一道防线，但通常与其他错误检测和纠正技术结合使用，以增强整体可靠性。总之，循环冗余校验码是数据传输和存储领域的重要组成部分。它检测错误的能力确保我们依赖的信息保持准确和可信。随着技术的不断发展，维护数据完整性的必要性只会增加，这使得循环冗余校验码成为抵御数据损坏斗争中不可或缺的工具。理解这一机制的工作原理不仅突显了现代数据处理的复杂性，还强调了在保护我们数字通信的准确性方面持续保持警惕的必要性。