narrow-band freqeuncy modulation(nbfm)是什么意思

用法例句

Research on ISAR Multi-target Imaging for Monopulse Narrowband Radar;

基于单脉冲窄带雷达ISAR多目标成像研究

Research the Key Technique of the Narrowband Video Conference;

窄带视频会议关键技术的研究

The paper introduces development of narrowband SPA-H weathering steel by adopting the process of "converter-narrowband" instead of "EAF-narrowband".

采用"转炉-窄带"工艺路线开发生产SPA-H耐候钢带替代同品种"电炉-窄带"。

Adaptive Noise Canceling for Spread Spectrum Systems with Narrow Band Jamming;

自适应干扰对消在扩频抗窄带干扰中的应用

Application of hierarchical multi-phase C-V method based on narrow band to MRI image segmentation;

MRI图像的基于窄带的递进多分区C-V分割方法

This paper presents the design procedure of a narrow band SAW filter with high rectangle factor.

文章介绍了一种窄带、高矩形度声表面波滤波器的设计过程，制作出了中心频率为１４０。

In light of the quality problems of skin formation,pitting and so on of Q195 narrow steel strips during cold rolling,based on production practice,follow-up tests on billet surface,macro-examination,strip surface pickling were specially made.

根据莱钢低碳Q195窄带钢在冷轧中出现起皮、麻点等质量问题,基于生产实践安排了专门的铸坯表面、低倍、带钢表面酸洗跟踪试验,通过成分、金相、裂纹、夹杂以及扫描电镜分析,对影响带钢表面质量的问题进行了深入探讨。