The Technology and Application of Time Domain Measurement of High Performance Spectrum(PS) Analyzer 高性能频谱分析仪的时域测量技术及其应用
Modulation format can improve the transmission performance and spectrum efficiency of high-speed optical transmission system. 调制格式可以改善高速光传输系统的传输性能和频谱效率,特别是在抗非线性效应、信道串扰、抗色散等方面表现出来的优异性使其必将成为提升未来光传输系统性能的关键因素。
Cooperative spectrum sensing technology can overcome problem of the hidden terminal and improve the performance of spectrum sensing. 合作频谱感知技术可以克服隐蔽终端的问题和提高频谱感知的性能。
Meanwhile, the energy detection algorithm is simulated in the OR and AND fusion rule. The performance of spectrum sensing based on the evaluation parameters are analyzed. 同时,在OR和AND融合准则下,对能量检测算法进行了仿真,根据频谱感知的性能评价参数指出了各自准则下能量检测算法的优缺点。
The simulations include system performance under different terrain, influence of antenna correlation on system capacity and system performance under spectrum efficiency. 分别就不同地形环境下的系统性能、天线相关性对系统容量的影响以及一定频谱利用率下系统的性能进行了仿真。