计算机CRT显示器上数字无线电窃听器的误码率

IEEE International Symposium on Communications and Information Technology, 2004. ISCIT 2004. Pub Date : 2004-10-26 DOI:10.1109/ISCIT.2004.1413889

Shiwei Dong, Jiadong Xu, Chenjiang Guo

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引用次数: 4

摘要

计算机CRT(阴极射线管)显示器上的窃听器可以用来截取视频信息。本文对其抗噪声性能进行了分析。根据窃听器的工作原理，建立了数字信号的基带传输模型。讨论了在ISI和ISI自由的情况下，窃听者的误码率与截获距离、叠加次数和噪声功率等参数的关系。实验结果与理论分析吻合较好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Bit error rate of a digital radio eavesdropper on computer CRT monitors

An eavesdropper on computer CRT (cathode ray tube) monitors can be used to intercept video information. Its anti-noise performance is analyzed in this paper. Baseband transmission models of digital signals are established according to the operating principle of the eavesdropper. The relationship between the eavesdropper's bit error rate and some parameters, such as intercept distance, superposition times and noise power, is discussed under the circumstances of ISI and ISI-freedom. Good agreement is obtained between experimental results and theoretical analysis.

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IEEE International Symposium on Communications and Information Technology, 2004. ISCIT 2004.

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