bit error rate
简明释义
比特误差率
英英释义
Bit error rate (BER) is a measure of the number of bit errors divided by the total number of transferred bits during a specified time interval. | 比特错误率(BER)是指在指定时间间隔内,发生的比特错误数与传输的总比特数之比。 |
例句
1.The network engineer reported that the bit error rate 比特错误率 was significantly higher during peak usage times.
网络工程师报告说,在高峰使用时段,比特错误率 bit error rate 显著提高。
2.To ensure data integrity, we need to monitor the bit error rate 比特错误率 of our wireless connections.
为了确保数据完整性,我们需要监控无线连接的比特错误率 bit error rate。
3.A low bit error rate 比特错误率 is crucial for high-definition video streaming.
低比特错误率 bit error rate 对于高清视频流非常重要。
4.During the test, the bit error rate 比特错误率 was measured at 0.1%, which is acceptable for our application.
在测试期间,比特错误率 bit error rate 测量为0.1%,这对于我们的应用是可以接受的。
5.Improving the bit error rate 比特错误率 can lead to better overall system performance.
改善比特错误率 bit error rate 可以提高整体系统性能。
作文
In the field of digital communications, understanding the concept of bit error rate is crucial for evaluating the performance and reliability of data transmission systems. The bit error rate (often abbreviated as BER) refers to the percentage of bits that have errors relative to the total number of bits transmitted over a communication channel. This metric is essential because it provides insight into how accurately information is being conveyed from one point to another.To illustrate the importance of bit error rate, consider a scenario where a user is streaming a video online. If the bit error rate is high, it could result in pixelated images, buffering, or even complete loss of signal. On the other hand, a low bit error rate indicates a stable and reliable connection, leading to a smooth viewing experience. Therefore, minimizing the bit error rate is a priority for service providers to ensure customer satisfaction.There are several factors that can influence the bit error rate. One significant factor is the quality of the transmission medium. For example, wireless connections are generally more susceptible to interference from physical obstacles and environmental conditions than wired connections. As a result, the bit error rate in wireless networks tends to be higher, especially in areas with poor signal strength.Another factor affecting the bit error rate is the modulation technique used during transmission. Different modulation schemes have varying levels of robustness against noise and interference. For instance, advanced modulation techniques like Quadrature Amplitude Modulation (QAM) can transmit more bits per symbol but may also lead to a higher bit error rate in noisy environments compared to simpler schemes.Moreover, the presence of noise in the communication channel can significantly impact the bit error rate. Noise can be introduced by various sources, such as electronic devices, atmospheric conditions, or even thermal fluctuations. Understanding how noise affects the bit error rate allows engineers to design systems that can better cope with these disturbances, thereby improving overall performance.To assess and improve the bit error rate, engineers often conduct tests and simulations. These tests involve transmitting a known sequence of bits and then comparing the received bits to the original sequence to determine the bit error rate. By analyzing the results, they can identify patterns and make adjustments to the system to reduce errors. Techniques such as error correction coding and adaptive modulation can help lower the bit error rate and enhance the reliability of data transmission.In conclusion, the bit error rate is a vital parameter in the realm of digital communications. It not only reflects the quality of a communication link but also influences the user experience significantly. By understanding the factors that affect the bit error rate and implementing strategies to minimize it, engineers can develop more robust communication systems that meet the ever-increasing demand for reliable data transmission. Ultimately, as technology continues to evolve, the importance of maintaining a low bit error rate will become even more critical in ensuring seamless connectivity across various platforms and applications.
在数字通信领域,理解“比特错误率”的概念对于评估数据传输系统的性能和可靠性至关重要。“比特错误率”(通常缩写为BER)是指相对于通过通信信道传输的总比特数,发生错误的比特所占的百分比。这个指标非常重要,因为它提供了信息从一个点传递到另一个点的准确性洞察。为了说明“比特错误率”的重要性,考虑一个用户在线流媒体视频的场景。如果“比特错误率”很高,可能会导致图像像素化、缓冲或甚至完全信号丢失。另一方面,较低的“比特错误率”表明连接稳定可靠,从而带来流畅的观看体验。因此,最小化“比特错误率”是服务提供商确保客户满意度的首要任务。影响“比特错误率”的因素有很多。其中一个重要因素是传输介质的质量。例如,无线连接通常比有线连接更容易受到物理障碍和环境条件干扰。因此,在信号强度较差的区域,无线网络的“比特错误率”往往较高。另一个影响“比特错误率”的因素是传输过程中使用的调制技术。不同的调制方案对噪声和干扰的鲁棒性各不相同。例如,先进的调制技术如正交振幅调制(QAM)可以每个符号传输更多的比特,但在嘈杂环境中可能导致比简单方案更高的“比特错误率”。此外,通信信道中的噪声存在也会显著影响“比特错误率”。噪声可能来自各种来源,如电子设备、气候条件,甚至热波动。理解噪声如何影响“比特错误率”使工程师能够设计出能够更好应对这些干扰的系统,从而提高整体性能。为了评估和改善“比特错误率”,工程师通常进行测试和模拟。这些测试涉及传输已知的比特序列,然后将接收到的比特与原始序列进行比较,以确定“比特错误率”。通过分析结果,他们可以识别模式并对系统进行调整,以减少错误。诸如错误纠正编码和自适应调制等技术可以帮助降低“比特错误率”并增强数据传输的可靠性。总之,“比特错误率”是数字通信领域一个重要的参数。它不仅反映了通信链路的质量,而且对用户体验产生重大影响。通过理解影响“比特错误率”的因素并实施策略以最小化它,工程师可以开发出更强大的通信系统,以满足对可靠数据传输的日益增长的需求。最终,随着技术的不断发展,保持低“比特错误率”的重要性将在确保各种平台和应用的无缝连接方面变得更加关键。
相关单词