ground loop

简明释义

地回电路

英英释义

例句

1.During the training session, the students learned about the dangers of a ground loop 地面回路 in tailwheel aircraft.

在培训课程中，学生们学习了尾轮飞机中地面回路的危险。

2.After experiencing a ground loop 地面回路, the mechanic advised the pilot to check the wheel alignment.

经历了地面回路后，机械师建议飞行员检查轮子对齐情况。

3.The instructor explained how to avoid a ground loop 地面回路 when taxiing on the runway.

教练解释了在跑道上滑行时如何避免发生地面回路。

4.A sudden gust of wind caused the plane to enter a ground loop 地面回路 unexpectedly.

突然的阵风导致飞机意外地进入了地面回路。

5.The pilot quickly identified the ground loop 地面回路 during landing and corrected the aircraft's trajectory.

飞行员在着陆时迅速识别出地面回路并纠正了飞机的航向。

作文

In the realm of electrical engineering and audio systems, the term ground loop refers to a specific type of unwanted electrical interference that can occur when multiple devices are connected to a common ground point. This phenomenon is particularly common in audio systems, where it can lead to hums or buzzes that disrupt sound quality. Understanding ground loop issues is crucial for engineers and technicians who want to ensure optimal performance of their equipment.A ground loop typically arises when there are multiple grounding paths within a system. For instance, if two audio devices are connected to different power outlets but share a common ground, a difference in voltage between these grounding points can create a loop. This loop acts like an antenna, picking up electromagnetic interference from surrounding sources, which manifests as noise in the audio signal. The result is often an annoying hum at a frequency of 60 Hz in North America or 50 Hz in Europe, corresponding to the mains electricity frequency.To mitigate ground loop problems, several strategies can be employed. One effective method is to use isolation transformers, which can break the direct electrical connection between devices while allowing audio signals to pass through. This prevents the formation of a loop by ensuring that each device has its own ground reference. Additionally, using balanced audio connections can also help reduce the impact of ground loop interference. Balanced connections utilize two conductors to carry the audio signal, which helps cancel out any noise picked up along the way.Another approach to eliminate ground loop issues is to ensure that all components in an audio system are connected to the same power source. By doing this, the potential difference between grounding points is minimized, reducing the likelihood of interference. It’s also essential to keep signal cables away from power lines and other sources of electromagnetic interference, as this can exacerbate ground loop problems.In addition to audio systems, ground loop issues can also occur in other electronic devices, such as computers and video equipment. For instance, when connecting a computer to multiple peripherals, a ground loop can introduce noise into the data signals, potentially causing errors or malfunctions. Therefore, understanding how to identify and resolve these loops is vital for anyone working with electronic systems.In conclusion, the concept of ground loop is an important one in the field of electronics, especially for those involved in audio engineering. By recognizing the causes and implementing effective solutions, technicians can significantly enhance the performance of their systems. As technology continues to evolve, staying informed about issues like ground loop will remain essential for ensuring high-quality audio and reliable electronic operations.

在电气工程和音频系统领域，术语接地回路指的是一种特定类型的不必要电气干扰，这种干扰可能发生在多个设备连接到一个共同的接地点时。这种现象在音频系统中尤其常见，它会导致嗡嗡声或噪音，干扰声音质量。理解接地回路问题对希望确保设备最佳性能的工程师和技术人员至关重要。接地回路通常在系统内存在多个接地路径时产生。例如，如果两个音频设备连接到不同的电源插座但共享一个共同的接地，那么这些接地点之间的电压差可能会形成一个回路。这个回路就像一个天线，拾取周围来源的电磁干扰，从而在音频信号中表现为噪音。结果通常是在北美以60赫兹的频率或在欧洲以50赫兹的频率出现恼人的嗡嗡声，这与市电频率相对应。为了减轻接地回路问题，可以采用几种策略。一种有效的方法是使用隔离变压器，这可以打破设备之间的直接电连接，同时允许音频信号通过。这可以防止回路的形成，确保每个设备都有自己的接地参考。此外，使用平衡音频连接也可以帮助减少接地回路干扰的影响。平衡连接利用两个导体来传输音频信号，有助于抵消沿途拾取的任何噪音。消除接地回路问题的另一种方法是确保音频系统中的所有组件连接到同一个电源。通过这样做，接地点之间的电位差最小化，从而减少干扰的可能性。此外，避免将信号电缆靠近电力线和其他电磁干扰源，因为这可能加剧接地回路问题。除了音频系统，接地回路问题还可能出现在其他电子设备中，例如计算机和视频设备。例如，当将计算机连接到多个外设时，接地回路可能会在数据信号中引入噪音，可能导致错误或故障。因此，了解如何识别和解决这些回路对任何处理电子系统的人来说都是至关重要的。总之，接地回路的概念在电子学领域是一个重要的概念，尤其是对于参与音频工程的人。通过认识原因并实施有效解决方案，技术人员可以显著提升他们系统的性能。随着技术的不断发展，了解诸如接地回路等问题将继续对确保高质量音频和可靠的电子操作至关重要。