The spectrometer based on linear optical detector has the advantage of multi-spectrum channel detection and it plays an important role in mass-spectrometry.
基于线列光探测器件的光谱仪具有多光谱通道探测的优点，以及其在物质光谱分析中担当的重要角色。
Now the research on spectrum sensing technology was mainly focused on the field of single node spectrum detection and multi-node spectrum detection.
当前对频谱感知技术的研究主要集中在单节点频谱检测和多节点合作频谱检测方面。
It realizes same radio spectrum using by multi-users. So spectrum detection is the key technique for realization of cognitive radio.
检测主用户信号是否存在的频谱检测技术就成为认知无线电系统的关键技术。
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