frequency tolerance
简明释义
容许频偏
英英释义
例句
1.The frequency tolerance of the radio transmitter is crucial for clear communication.
无线电发射机的频率容差对清晰通信至关重要。
2.The device operates effectively within a specified frequency tolerance.
该设备在指定的频率容差范围内有效运行。
3.A tighter frequency tolerance can improve the performance of the circuit.
更严格的频率容差可以提高电路的性能。
4.Manufacturers often specify a frequency tolerance for their products.
制造商通常会为其产品指定频率容差。
5.Engineers must ensure that the frequency tolerance is maintained during testing.
工程师必须确保在测试过程中保持频率容差。
作文
In the realm of electronics and telecommunications, the term frequency tolerance refers to the allowable deviation from a specified frequency within which a device or system can operate effectively. This concept is crucial in various applications, including radio communications, signal processing, and even in everyday devices like clocks and watches. Understanding frequency tolerance helps engineers and technicians ensure that their devices function as intended without interference or loss of performance.To illustrate the importance of frequency tolerance, consider a scenario in radio broadcasting. A radio station transmits its signal at a specific frequency, say 101.5 MHz. If the transmitter has a frequency tolerance of ±0.1 MHz, it means that the signal can vary between 101.4 MHz and 101.6 MHz without significantly affecting the quality of the broadcast. If the frequency drifts beyond this range, listeners may experience static or other forms of interference, making it difficult to receive a clear signal.Moreover, frequency tolerance is not only relevant in broadcasting but also in the design of oscillators, which are critical components in many electronic devices. An oscillator generates a periodic signal, and its accuracy is often defined by its frequency tolerance. For instance, a quartz crystal oscillator used in a digital watch may have a frequency tolerance of ±20 parts per million (ppm). This means that the frequency can deviate slightly from its nominal value, but within this tolerance, the watch will keep accurate time.In addition to ensuring proper functionality, frequency tolerance plays a significant role in regulatory compliance. Many countries have strict regulations regarding the frequencies that can be used for broadcasting and communication. Devices must adhere to these regulations, which often specify acceptable frequency tolerance levels to minimize interference with other devices operating on nearby frequencies. Failure to comply with these regulations can result in fines or the need to redesign equipment.Furthermore, advancements in technology have led to the development of more precise components with tighter frequency tolerance specifications. For example, modern GPS systems rely on extremely accurate timing signals, where even the slightest deviation in frequency can lead to significant errors in positioning. In such applications, manufacturers strive for minimal frequency tolerance, ensuring that their devices can deliver reliable and accurate performance.In conclusion, understanding frequency tolerance is essential for anyone involved in electronics and telecommunications. It ensures that devices operate within acceptable limits, maintains regulatory compliance, and enhances the overall performance of electronic systems. As technology continues to evolve, the importance of frequency tolerance will only grow, making it a fundamental concept in the design and operation of modern electronic devices. By grasping this concept, engineers and technicians can contribute to the development of more reliable and efficient technologies that improve our daily lives.
在电子和电信领域,术语频率容差指的是设备或系统在有效运行的特定频率范围内的允许偏差。这个概念在各种应用中至关重要,包括无线电通信、信号处理,甚至在日常设备如时钟和手表中。理解频率容差有助于工程师和技术人员确保他们的设备在没有干扰或性能损失的情况下正常工作。为了说明频率容差的重要性,考虑一个无线电广播的场景。一个广播电台在特定频率下发送信号,比如101.5 MHz。如果发射机的频率容差为±0.1 MHz,这意味着信号可以在101.4 MHz和101.6 MHz之间变化,而不会显著影响广播质量。如果频率漂移超出此范围,听众可能会经历静电或其他形式的干扰,使接收清晰信号变得困难。此外,频率容差不仅与广播相关,也与许多电子设备中的振荡器设计密切相关。振荡器生成周期信号,其准确性通常由其频率容差定义。例如,用于数字手表的石英晶体振荡器可能具有±20百万分之一(ppm)的频率容差。这意味着频率可以稍微偏离其标称值,但在这个容差范围内,手表将保持准确的时间。除了确保正常功能外,频率容差在合规性方面也发挥着重要作用。许多国家对广播和通信使用的频率有严格的规定。设备必须遵守这些规定,这些规定通常指定可接受的频率容差水平,以最小化与其他在附近频率上运行的设备的干扰。不遵守这些规定可能会导致罚款或需要重新设计设备。此外,技术的进步导致了更精确的组件开发,具有更严格的频率容差规范。例如,现代GPS系统依赖于极为准确的定时信号,哪怕是最微小的频率偏差也可能导致定位上的重大错误。在这样的应用中,制造商努力实现最小的频率容差,确保他们的设备能够提供可靠和准确的性能。总之,理解频率容差对任何参与电子和电信的人来说都是必不可少的。它确保设备在可接受的限制内运行,维护合规性,并增强电子系统的整体性能。随着技术的不断发展,频率容差的重要性只会增加,使其成为现代电子设备设计和操作中的基本概念。通过掌握这一概念,工程师和技术人员可以为开发更可靠、更高效的技术做出贡献,从而改善我们的日常生活。
相关单词