The application of optical fiber communications in university security precaution system is described generally.
概述了光纤通信在高校安全防范系统中的应用。
The double random phase real-value encryption and decryption method is proposed for the optical image security system.
提出了一种基于双随机相位的图像实值编码方法，该方法可应用于光学图像加密。
This paper firstly introduced the composing of submarine optical fiber cable system, and then analyzed mostly ingredient that influences its security in transmission line and information.
本文研究一种电小天线的新型补偿电路 ，即用短路传输线与天线相并联的方式实现对电小天线的宽带匹配 。
This paper firstly introduced the composing of submarine optical fiber cable system, and then analyzed mostly ingredient that influences its security in transmission line and information.
本文研究一种电小天线的新型补偿电路 ，即用短路传输线与天线相并联的方式实现对电小天线的宽带匹配 。
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