1. The way on program design of narrow-band filter is given. 提出了基于遗传算法的窄带滤光片的最佳设计方法。
2. The front of inclining downdraft is unfavorable to the narrow-band echo. 而倾斜的下沉气流前侧不利于窄带回波的形成。
3. The DSSS system has inherent capability to counteract narrow-band interference. 扩频方式具有很强的对抗窄带噪声的能力。
4. The technology of plasma ion assisted depositing narrow-band pass filters is studied. 研究了采用等离子辅助技术制备窄带滤光片的工艺。
5. Adaptive filtering algorithms can be used on time domain to rejection Narrow-band interference (NBI) of man-made of enemy in DSSS. 在敌方有意的窄带强干扰下,扩频通信系统可以利用时域自适应滤波算法来抑制干扰。