spurious frequency

简明释义

寄生频率

英英释义

例句

1.Engineers often filter out spurious frequencies 虚假频率 to improve the clarity of audio signals.

工程师经常过滤掉虚假频率以提高音频信号的清晰度。

2.In signal processing, identifying a spurious frequency 虚假频率 is crucial to ensure accurate data interpretation.

在信号处理过程中，识别虚假频率至关重要，以确保数据解释的准确性。

3.The presence of spurious frequencies 虚假频率 can lead to false readings in measurement instruments.

存在虚假频率可能导致测量仪器的错误读数。

4.During the experiment, we noticed several spurious frequencies 虚假频率 that distorted our results.

在实验过程中，我们注意到几个虚假频率扭曲了我们的结果。

5.To enhance performance, the software was updated to better detect spurious frequencies 虚假频率 in the data.

为了提高性能，软件进行了更新，以更好地检测数据中的虚假频率。

作文

In the realm of signal processing and communication systems, the term spurious frequency refers to unwanted frequencies that can interfere with the desired signal. These frequencies can arise from various sources, including non-linearities in electronic components, harmonics generated by the system, or even external interference from nearby devices. Understanding the concept of spurious frequency is crucial for engineers and technicians who aim to ensure the integrity and clarity of transmitted signals.When designing a communication system, engineers must consider the potential for spurious frequency generation. For instance, when a signal passes through a non-linear amplifier, it can produce additional frequencies that were not part of the original signal. These unwanted frequencies can distort the signal and lead to poor performance in applications such as audio transmission, radio broadcasting, and data communication.One common example of spurious frequency occurs in radio frequency (RF) systems. In RF applications, a transmitter may inadvertently generate harmonics or intermodulation products that fall outside the intended frequency band. These spurious emissions can cause interference with other channels, leading to degraded performance and potential regulatory issues. To combat this, engineers use filtering techniques to minimize the impact of spurious frequency emissions, ensuring that only the desired frequencies are transmitted.Another critical aspect of spurious frequency is its effect on measurement and testing. In laboratory settings, when testing the performance of a device, the presence of spurious frequencies can skew results, leading to inaccurate assessments of a device's capabilities. Engineers must employ sophisticated measurement equipment and techniques to isolate and identify these unwanted frequencies, allowing them to make necessary adjustments to improve overall performance.Moreover, the implications of spurious frequency extend beyond just technical challenges; they also have regulatory and compliance ramifications. Regulatory bodies, such as the Federal Communications Commission (FCC) in the United States, set strict limits on the amount of spurious emissions allowed from communication devices. Compliance with these regulations is essential for manufacturers to avoid penalties and ensure that their products can be marketed successfully. This necessitates thorough testing and validation processes to identify and mitigate spurious frequency issues prior to product launch.In conclusion, the phenomenon of spurious frequency plays a significant role in the field of signal processing and communication systems. It poses challenges that engineers must address through careful design, testing, and adherence to regulatory standards. By understanding and managing spurious frequency, professionals can enhance the performance and reliability of communication systems, ultimately contributing to better user experiences and more efficient technology. As technology continues to advance, the importance of addressing spurious frequency will only grow, making it a vital area of focus for future research and development in the field of electronics and communications.

在信号处理和通信系统领域，术语spurious frequency指的是可能干扰所需信号的非期望频率。这些频率可以来自各种来源，包括电子元件中的非线性效应、系统生成的谐波，甚至是来自附近设备的外部干扰。理解spurious frequency的概念对于工程师和技术人员至关重要，他们旨在确保传输信号的完整性和清晰度。在设计通信系统时，工程师必须考虑spurious frequency生成的潜在可能性。例如，当信号通过非线性放大器时，它可能会产生额外的频率，而这些频率并不是原始信号的一部分。这些非期望频率可能会扭曲信号，并导致音频传输、广播和数据通信等应用中的性能不佳。一个常见的spurious frequency示例出现在射频（RF）系统中。在RF应用中，发射器可能无意中产生谐波或互调产物，这些产物落在预定频带之外。这些伪射频辐射可能会导致其他频道之间的干扰，从而导致性能下降和潜在的监管问题。为了应对这一问题，工程师使用过滤技术来最小化spurious frequency辐射的影响，确保仅传输所需的频率。spurious frequency的另一个关键方面是其对测量和测试的影响。在实验室环境中，在测试设备性能时，伪频率的存在可能会扭曲结果，导致对设备能力的不准确评估。工程师必须使用复杂的测量设备和技术来隔离和识别这些非期望频率，从而使他们能够进行必要的调整以改善整体性能。此外，spurious frequency的影响不仅限于技术挑战；它们还有监管和合规的后果。美国联邦通信委员会（FCC）等监管机构对通信设备允许的伪辐射量设定了严格的限制。制造商遵守这些规定对于避免处罚和确保其产品能够成功上市至关重要。这需要在产品推出前进行全面的测试和验证过程，以识别和缓解spurious frequency问题。总之，spurious frequency现象在信号处理和通信系统领域发挥着重要作用。它带来了工程师必须通过精心设计、测试和遵循监管标准来解决的挑战。通过理解和管理spurious frequency，专业人员可以提高通信系统的性能和可靠性，最终为用户提供更好的体验和更高效的技术。随着技术的不断进步，解决spurious frequency的重要性只会增加，使其成为未来电子和通信领域研究与发展的重要关注点。