计算机电磁辐射的测量

The Measurement of Computer Electromagnetic Radiation

目的 介绍计算机系统电磁辐射测量的条件要求和测试方法 .方法 给出计算机系统辐射发射的理论模型 ,详细论述了测量条件要求和测试方法 ,并按美国联邦通信委员会 (简称 FCC)规定测试 .结果与结论 测试结果的真实性和可重复性得到了有效保证 .这些要求和方法适用于计算机系统、计算机以及与计算机主机连用的外部设备的试验 .对其他电子设备辐射测量 ,本文的原理和方法同样具有借鉴意义 .

Aim To introduce the test requirements and methods of the measurement of the electromagnetic radiation of computer system. Methods The theoretical model of the radiated emission from computer system is given, and the measurement requirements and methods are discussed in detail according to FCC regulations. Results and Conclusion The authenticity and repeatability of measurement is ensured. These methods apply to the experiments of computer system, computer and the outside devices connected with the host computer. The principles and methods can also be used for reference in the measurement of electromagnetic radiation of other electron devices.