但是，对于全球传输负责医疗影像，存在一个问题，带宽是一个制约性的因素——CT扫描影像是最大的带宽消耗者。
But there is one problem. Bandwidth is the limiting factor for transmitting complex medical images around the world - ct scans being one of the biggest bandwidth consumers.
分析了瞬时频率的物理概念，指出在红外扫描系统中，用瞬时频率来计算系统带宽是值得讨论的。
The physical meaning of instantaneous frequency is analyzed. Its application in the evaluation of the bandwidth of IR scanning systems is discussed.
由于孔径效应和孔径渡越时间的限制，传统的相控阵雷达难以在大扫描角下实现大瞬时带宽。
Due to the restriction of aperture effect and the aperture traverse delay, it is difficult for a conventional phased array radar to get wide instantaneous bandwidth under wide scan scope.
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