1. The trend of electronic reconnaissance in short wave is wideband reconnaissance, and channelized technology is the key of it. 宽带侦收是短波段中电子侦收的趋势，而其中的信道化技术是关键环节。
2. Based on the idea of frequency invariant, a wideband adaptive antenna array is proposed for wideband wireless communication system. 基于频率不变思想，提出一种适用于宽带无线通信系统下的，新的宽带自适应天线阵列。
3. The ultra wideband (UWB) radio models have been introduced with pulse-position-modulation (PPM), on-off-keying (OOK) and pulse-amplitude-modulation (PAM). 分析了超宽带冲激无线电的脉位调制、通断键控调制和脉冲幅度调制的信号模型。
英英解释
adj.
1. responding to or operating at a wide band of frequencies
