clock bias
简明释义
时钟偏压
英英释义
Clock bias refers to a systematic error in the measurement of time, where a clock consistently runs faster or slower than the true time. | 时钟偏差是指时间测量中的系统误差,其中一个时钟持续比真实时间快或慢。 |
例句
1.Researchers studied the effects of clock bias on time-sensitive applications.
研究人员研究了时钟偏差对时间敏感应用的影响。
2.The clock bias in the network can lead to delayed communication between devices.
网络中的时钟偏差可能导致设备之间的通信延迟。
3.Adjusting for clock bias is crucial in high-precision measurements.
在高精度测量中,调整时钟偏差至关重要。
4.To ensure synchronization, engineers must correct for clock bias in satellite signals.
为了确保同步,工程师必须修正卫星信号中的时钟偏差。
5.In GPS technology, clock bias affects the accuracy of location data.
在GPS技术中,时钟偏差会影响位置数据的准确性。
作文
In modern technology, the synchronization of time is crucial for various applications, ranging from telecommunications to global positioning systems (GPS). One of the key concepts that arise in this context is clock bias, which refers to the systematic error or offset in the timekeeping of a clock compared to a standard reference time. Understanding clock bias is essential for ensuring accurate time measurement and coordination across different systems.To illustrate the importance of clock bias, let us consider the role of GPS technology. GPS relies on a network of satellites that transmit signals to receivers on Earth. These satellites are equipped with atomic clocks that provide precise timing information. However, due to various factors such as relativistic effects, atmospheric conditions, and hardware discrepancies, the clocks on these satellites may not perfectly align with the standard time used on Earth. This discrepancy is known as clock bias.When a GPS receiver calculates its position, it does so by measuring the time it takes for signals from multiple satellites to reach it. If there is a clock bias present, the calculated distances will be inaccurate, leading to errors in positioning. For instance, even a small clock bias of just a few nanoseconds can result in significant positional errors, potentially placing a user hundreds of meters away from their actual location. Thus, addressing clock bias is vital for the reliability of GPS services.Moreover, clock bias is not limited to satellite systems. In computer networks, time synchronization is critical for data integrity and security. For example, when multiple servers communicate, they must have synchronized clocks to ensure that transactions are recorded accurately. If one server experiences a clock bias, it may produce timestamps that do not match those of other servers, leading to inconsistencies and potential security vulnerabilities.To mitigate the effects of clock bias, various techniques and protocols are employed. Network Time Protocol (NTP) is one such method that helps synchronize clocks across different devices on a network. By regularly comparing the time of a device with a reliable time source, NTP can adjust for any clock bias that may occur, ensuring that all devices operate on the same time standard.In conclusion, understanding clock bias is essential in today's technology-driven world. Whether in GPS navigation, computer networks, or other time-sensitive applications, the presence of clock bias can lead to significant errors and inefficiencies. By employing synchronization techniques and being aware of the potential impacts of clock bias, we can enhance the accuracy and reliability of our time-dependent systems. As technology continues to evolve, the importance of precise timekeeping will only become more pronounced, making the study of clock bias a critical area of focus for engineers and scientists alike.
在现代科技中,时间的同步对于各种应用至关重要,从电信到全球定位系统(GPS)都离不开它。在这个背景下,一个关键概念是时钟偏差,它指的是一个时钟与标准参考时间相比的系统性错误或偏移。理解时钟偏差对于确保不同系统之间的准确时间测量和协调至关重要。为了说明时钟偏差的重要性,让我们考虑GPS技术的角色。GPS依赖于一组卫星,这些卫星向地球上的接收器发送信号。这些卫星配备了提供精确计时信息的原子钟。然而,由于各种因素,如相对论效应、大气条件和硬件差异,这些卫星上的时钟可能与地球上使用的标准时间并不完全一致。这种差异被称为时钟偏差。当GPS接收器计算其位置时,它是通过测量来自多颗卫星的信号到达它所需的时间来实现的。如果存在时钟偏差,则计算出的距离将不准确,从而导致定位错误。例如,即使是几纳秒的小时钟偏差也会导致显著的定位误差,可能使用户的实际位置偏离几百米。因此,解决时钟偏差对于GPS服务的可靠性至关重要。此外,时钟偏差不仅限于卫星系统。在计算机网络中,时间同步对于数据完整性和安全性至关重要。例如,当多个服务器进行通信时,它们必须具有同步的时钟,以确保交易记录的准确性。如果一台服务器经历了时钟偏差,它可能会生成与其他服务器不匹配的时间戳,从而导致不一致性并可能引发安全漏洞。为了减轻时钟偏差的影响,采用了各种技术和协议。网络时间协议(NTP)就是一种帮助同步网络上不同设备时钟的方法。通过定期比较设备的时间与可靠的时间源,NTP可以调整任何可能出现的时钟偏差,确保所有设备都在相同的时间标准下运行。总之,在当今科技驱动的世界中,理解时钟偏差至关重要。无论是在GPS导航、计算机网络还是其他时间敏感的应用中,时钟偏差的存在都可能导致重大错误和低效。通过采用同步技术并意识到时钟偏差的潜在影响,我们可以提高时间相关系统的准确性和可靠性。随着技术的不断发展,精确计时的重要性将变得更加突出,使得对时钟偏差的研究成为工程师和科学家们关注的关键领域。
相关单词