电磁信息泄漏测试新技术

A New Test Approach to Electromagnetic Information Leakage

该文针对目前使用现场的信息技术设备电磁泄漏测试中存在的最大泄漏信噪比测试不准等问题,提出了基于泄漏区正确识别和根据测试目的不同接收机相应参数正确设置的测试方案。实际实验结果表明:该方案较好地解决了电磁泄漏最大信噪比测试结果不易求得及不易复现等问题,具有读数容易、测试结果准确、效率高等优点。该测试方案对于使用现场的信息技术设备电磁泄漏发射防护具有重要指导意义,具有较好的实际应用价值。

In order to solve the electromagnetic leakage maximal singal noise ratio test problems for electromagnetic compromising emanation of classified information facilities on the operating place, the test plans based on leakage area correct idenfication and the corresponding parameter correct setting of receiver for different test purpose are proposed.The experimental results show that these problems of the maximum signal-to-noise ratio test results obtained difficultly are solved,it has many advantages： reads easily with accurate numbers and high efficiency.The test plan for electromagnetic compromising emanation protection of classified information facilities on the operating place has important guiding significance and good application value.