Electromagnetic waves exist everywhere in the nearly 1,000-kilometer space from the surface of the Earth to the activities of satellites. Electricity and magnetism affect people's lives and production all the time. The wide application of electromagnetic energy makes the development of industrial technology change with each passing day. While electromagnetic energy creates enormous wealth for human beings, it also brings certain harms. It is called electromagnetic pollution. Studying electromagnetic pollution is an important branch of environmental protection. In the past, the interference that the radio communication device was subjected to was called electromagnetic interference, which indicated that the device was invaded by external interference. In fact, it also caused damage to other external devices, that is, it became a source of interference. Therefore, it is necessary to study the interference and interference of the device at the same time, and attention should be paid to the compatibility between the tissues and devices inside the device. With the development of science and technology, the increasingly widely adopted microelectronic technology and the gradual realization of electrification have formed a complex electromagnetic environment. Continuous research and resolution of the relationship between equipment and systems in the electromagnetic environment has promoted the rapid development of electromagnetic compatibility technology.

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