LPI test this can help you to prepare your lpi certification for linux it contains questions and their responses that you can face it when doing the exam

《低截获概率雷达信号侦收技术研究》是一篇不错的博士论文，对雷达信号处理，特别是威胁是别的研究人员有较好的借鉴作用。-The low probability of interception radar signal reconnaissance technology research is a nice post doctoral thesis, the radar signal processing, especially the threat is a good reference for