军用计算机电磁信息安全与防护

利用电磁学的方法分析了计算机电磁信息辐射的原理,引入偶极子分析计算了计算机电磁信息辐射场的频谱与场强;研究了计算机电磁信息辐射接收机的接收原理,进一步定量分析了辐射场强与接收机带宽、噪声系数、接收天线定向性和增益之间的数值关系;阐述了计算机电磁信息泄露的方式和途径,概括了基于实际的军队计算机应用中电磁信息安全与防护的主要手段.

Electromagnetic Information Security and Protection for Military Computer

The theory of computer electromagnetic emission was analyzed with computational electromagnetic method. The field density and frequency spectrum of computer electromagnetic emission was calculated and analyzed through the introduction of dipole, The theory of the receiver for computer electromagnetic emission was studied. The relation of radiant intensity and the receiver bandwidth, noise figure, directivity, gain was quantitatively analyzed. The way and mode of computer electromagnetic information leakage and means of protection for electromagnetic information security in military computer were discussed.