code rate

简明释义

编码率

英英释义

Code rate refers to the ratio of the number of information bits to the total number of bits transmitted, including both information and redundancy bits, in a coding scheme.

编码率是指在编码方案中,信息比特的数量与传输的总比特数量(包括信息比特和冗余比特)之间的比率。

例句

1.Engineers need to calculate the code rate 编码率 when designing error correction algorithms.

工程师在设计错误校正算法时需要计算code rate 编码率

2.The code rate 编码率 of the new protocol is optimized for low-latency applications.

新协议的code rate 编码率 针对低延迟应用进行了优化。

3.A higher code rate 编码率 can lead to better data throughput but may increase the error rate.

更高的code rate 编码率 可以提高数据吞吐量,但可能会增加错误率。

4.In wireless communication, adjusting the code rate 编码率 is crucial for maintaining signal quality.

在无线通信中,调整code rate 编码率 对于维持信号质量至关重要。

5.The system's code rate 编码率 determines how efficiently data is transmitted over the network.

系统的code rate 编码率 决定了数据在网络上传输的效率。

作文

In the world of telecommunications and data transmission, the term code rate refers to the ratio of the number of information bits to the total number of bits transmitted, including both the information bits and any additional bits added for error correction. Understanding code rate is essential for optimizing communication systems, as it directly impacts the efficiency and reliability of data transfer. A higher code rate indicates a more efficient use of bandwidth since more information is being transmitted relative to the overhead of error correction. Conversely, a lower code rate suggests that more redundancy is included, which can enhance the robustness of the transmission but at the cost of reduced throughput.To illustrate the significance of code rate, consider a scenario in digital broadcasting where a television signal is transmitted. If the code rate is set at 3/4, this means that for every four bits sent, three bits are actual content, while one bit is used for error correction. This configuration allows for a decent balance between quality and efficiency. However, if the environment is prone to interference, operators might choose to lower the code rate to 1/2, which would increase the amount of redundancy and improve the chances of successful reception at the cost of transmitting less actual content per unit of time.The interplay between code rate and channel conditions cannot be overstated. In environments with high noise levels or potential data loss, a lower code rate can significantly enhance the integrity of the received data. This is particularly important in applications such as satellite communications or mobile networks, where signal degradation is common. By adjusting the code rate, engineers can tailor the system to meet specific requirements, ensuring that users receive the best possible service under varying conditions.Moreover, modern coding techniques, such as Turbo codes and Low-Density Parity-Check (LDPC) codes, have revolutionized how code rate is applied in practice. These advanced methods allow for very low code rates while still achieving remarkable error correction capabilities. As a result, they enable the transmission of data over long distances and through challenging environments without significant loss of quality. The ability to manipulate code rate effectively has become a cornerstone of contemporary communication technology, allowing for faster data rates and more reliable connections.In conclusion, the concept of code rate is fundamental to understanding the efficiency and reliability of data transmission systems. It serves as a critical parameter that balances the trade-off between data integrity and throughput. As technology continues to evolve, the importance of mastering code rate will only grow, driving innovations in how we communicate and share information across the globe. For anyone involved in telecommunications, grasping the implications of code rate is not just beneficial; it is essential for success in the field.

在电信和数据传输的世界中,术语code rate指的是信息位数与传输的总位数(包括信息位和为纠错而附加的位数)之间的比率。理解code rate对于优化通信系统至关重要,因为它直接影响数据传输的效率和可靠性。较高的code rate表示带宽的使用更加高效,因为相对于纠错的开销,传输了更多的信息。相反,较低的code rate表明包含了更多的冗余,这可以增强传输的稳健性,但以降低吞吐量为代价。为了说明code rate的重要性,考虑一个数字广播的场景,其中电视信号被传输。如果code rate设置为3/4,这意味着每发送四个位,三个位是实际内容,而一个位用于纠错。这种配置在质量和效率之间提供了不错的平衡。然而,如果环境容易受到干扰,运营商可能会选择将code rate降低到1/2,这将增加冗余量,提高成功接收的机会,但以每单位时间传输更少的实际内容为代价。code rate与信道条件之间的相互作用不可低估。在噪声水平高或可能数据丢失的环境中,较低的code rate可以显著增强接收到的数据的完整性。这在卫星通信或移动网络等应用中尤为重要,因为这些地方信号衰减是常见的。通过调整code rate,工程师可以根据特定要求定制系统,确保用户在不同条件下获得最佳服务。此外,现代编码技术,如Turbo码和低密度奇偶校验(LDPC)码,已经彻底改变了code rate在实践中的应用。这些先进的方法允许非常低的code rate同时仍然实现显著的纠错能力。因此,它们能够在长距离和挑战性环境中传输数据,而不会显著损失质量。有效操控code rate的能力已成为当代通信技术的基石,使得数据速率更快、连接更可靠。总之,code rate的概念对于理解数据传输系统的效率和可靠性至关重要。它作为一个关键参数,在数据完整性和吞吐量之间平衡折衷。随着技术的不断发展,掌握code rate的意义将只会增加,推动我们在全球范围内交流和共享信息的创新。对于任何参与电信行业的人来说,理解code rate的含义不仅有益,而且对在该领域取得成功至关重要。

相关单词

code

code详解:怎么读、什么意思、用法