Composite electromagnetic interference shielding coatings are of expansive research and development anticipation to high efficiency, broad frequency, low cost, long service life and easy application.
涂料作为新一代功能材料朝着宽频、高衰减度、长寿命、低成本、施工简便方向发展。
参考来源 - 含碳纳米管新型宽频轻质电磁屏蔽材料的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper discusses a switching model of GaAs MESFET. It is suitable for MMIC design with broad frequency characteristic.
提出了一种MESFET开关的模型——附加栅控开关模型，适用于MMIC电路的设计，具有很好的宽带微波特性。
UWB's broad frequency range includes the ultralow frequencies the U. s. Navy USES to communicate with submerged submarines.
UWB宽阔的频率范围包括了极低频率，美国海军将它用于与水中潜艇的通信。
Since the power spectrum of DS signals distributes in a broad frequency band at any time, it's difficult to detect the signals.
由于DS信号的功率谱在任何时候都分布在一个很宽的频带内，所以难以检测。
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