electro-magnetic interference

简明释义

电磁干扰

英英释义

Electromagnetic interference (EMI) refers to the disturbance that affects an electrical circuit due to electromagnetic radiation emitted from an external source.

电磁干扰(EMI)是指由于外部源发出的电磁辐射而影响电路的干扰。

例句

1.The radio signals were disrupted by electro-magnetic interference from nearby power lines.

广播信号受到附近电力线路的电磁干扰而受到干扰。

2.Engineers often test for electro-magnetic interference in new electronic products.

工程师通常在新电子产品中测试电磁干扰

3.The technician explained that the device was malfunctioning due to electro-magnetic interference.

技术人员解释说,该设备由于电磁干扰而发生故障。

4.The lab has specialized equipment to measure electro-magnetic interference levels.

实验室拥有专门的设备来测量电磁干扰水平。

5.To reduce electro-magnetic interference, we need to use shielded cables.

为了减少电磁干扰,我们需要使用屏蔽电缆。

作文

In today's technologically advanced world, the term electro-magnetic interference refers to the disruption of electrical signals caused by electromagnetic fields generated by various electronic devices. This phenomenon is increasingly relevant as we become more reliant on technology in our daily lives. From smartphones to Wi-Fi routers, almost every gadget emits some level of electromagnetic radiation, which can potentially interfere with the operation of other devices. Understanding electro-magnetic interference is crucial for both consumers and manufacturers alike, as it can impact performance, safety, and reliability.The sources of electro-magnetic interference can be natural or man-made. Natural sources include lightning strikes and solar flares, which can produce significant electromagnetic waves that affect communication systems. On the other hand, man-made sources are more prevalent and include devices such as microwaves, radio transmitters, and even fluorescent lighting. The interference can lead to a range of issues, from minor disruptions in audio and video quality to complete signal loss in communication devices.To mitigate the effects of electro-magnetic interference, engineers and designers must consider various strategies during the development of electronic devices. Shielding is one common method, where materials that block electromagnetic fields are used to encase sensitive components. This prevents unwanted signals from interfering with the device's functionality. Additionally, proper circuit design can help minimize susceptibility to interference. For example, using twisted pair cables can reduce the impact of external electromagnetic fields on data transmission.Moreover, understanding the principles behind electro-magnetic interference allows for better troubleshooting when issues arise. When a device malfunctions, technicians often check for potential sources of interference nearby. For instance, if a radio experiences static, it may be due to a nearby microwave oven operating on the same frequency. By identifying and eliminating these sources, users can restore optimal performance.The implications of electro-magnetic interference extend beyond consumer electronics; they also play a significant role in critical systems such as aviation and medical equipment. In aviation, for example, pilots rely on various electronic instruments for navigation and communication. Any interference could lead to catastrophic consequences. Therefore, aviation authorities impose strict regulations regarding the use of electronic devices on aircraft to ensure that electro-magnetic interference does not compromise safety.In the medical field, devices like MRI machines and pacemakers are designed with electro-magnetic interference in mind. These devices must operate reliably without being affected by external electromagnetic fields. Manufacturers conduct rigorous testing to ensure that their products meet safety standards and do not pose risks to patients.As we move forward into an increasingly interconnected world, the importance of understanding electro-magnetic interference will only grow. With the rise of the Internet of Things (IoT), where countless devices communicate with each other, the potential for interference increases. It is essential for both consumers and manufacturers to remain vigilant about the effects of electromagnetic interference on their devices.In conclusion, electro-magnetic interference is a critical concept in the realm of electronics and communication. By recognizing its sources and effects, individuals and organizations can take proactive steps to minimize its impact. Whether through effective shielding, careful design, or stringent regulatory practices, addressing electro-magnetic interference will help ensure the reliability and safety of our technological advancements.

在当今技术先进的世界中,术语电磁干扰指的是由各种电子设备产生的电磁场导致的电信号中断。这种现象在我们日常生活中对技术的依赖日益增加时变得越来越相关。从智能手机到Wi-Fi路由器,几乎每个设备都发出一定程度的电磁辐射,这可能会干扰其他设备的操作。理解电磁干扰对消费者和制造商都至关重要,因为它会影响性能、安全性和可靠性。电磁干扰的来源可以是自然的或人为的。自然来源包括雷电和太阳耀斑,这些可以产生显著的电磁波,影响通信系统。另一方面,人为来源更为普遍,包括微波炉、无线电发射机甚至荧光灯。干扰可能导致一系列问题,从音频和视频质量的小干扰到通信设备的完全信号丢失。为了减轻电磁干扰的影响,工程师和设计师在开发电子设备时必须考虑各种策略。屏蔽是一种常见的方法,其中使用阻挡电磁场的材料包裹敏感组件。这防止了不必要的信号干扰设备的功能。此外,适当的电路设计可以帮助最小化对干扰的敏感性。例如,使用双绞线电缆可以减少外部电磁场对数据传输的影响。此外,理解电磁干扰背后的原理可以在出现问题时更好地进行故障排除。当设备发生故障时,技术人员通常会检查附近可能的干扰源。例如,如果收音机出现静电,可能是由于附近的微波炉在同一频率上运行。通过识别和消除这些源,用户可以恢复最佳性能。电磁干扰的影响不仅限于消费电子产品;它们在航空和医疗设备等关键系统中也发挥着重要作用。在航空中,飞行员依赖各种电子仪器进行导航和通信。任何干扰都可能导致灾难性后果。因此,航空管理局对飞机上电子设备的使用施加严格的法规,以确保电磁干扰不会危及安全。在医疗领域,像MRI机器和心脏起搏器这样的设备在设计时考虑了电磁干扰。这些设备必须可靠地工作,而不受外部电磁场的影响。制造商进行严格的测试,以确保其产品符合安全标准,并且不会对患者构成风险。随着我们进入一个日益互联的世界,理解电磁干扰的重要性只会增加。随着物联网(IoT)的兴起,数以千计的设备相互通信,干扰的潜力增加。消费者和制造商都必须对电磁干扰对其设备的影响保持警惕。总之,电磁干扰是电子和通信领域的一个关键概念。通过认识其来源和影响,个人和组织可以采取主动措施来最小化其影响。无论是通过有效的屏蔽、仔细的设计还是严格的监管实践,解决电磁干扰将有助于确保我们技术进步的可靠性和安全性。