frequency band
英 [ˈfriːkwənsi bænd]
美 [ˈfriːkwənsi bænd]
频带，波段
英英释义
noun
- a band of adjacent radio frequencies (e.g., assigned for transmitting radio or television signals)
双语例句
- The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.
声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。 - In the seismic survey, random noises with a wide frequency band can strongly influence the ratio of signal to noise.
在地震勘探中，随机噪音是一种频带较宽，严重影响有效波信噪比的干扰波。 - RF peak power analyzer normally matches with a variety of detection probes rating different frequency band and input power rang.
射频峰值功率分析仪通常需要配接多种不同工作频段、不同测量范围的检测探头。 - The theoretical and experimental results show that accompanying the increase of the interchannel phase difference, the sound image broadens as the signal frequency band width increases.
理论和实验结果表明，随着通路间相位差的增加，声象随信号频带宽度的增加而展宽。 - Such assumptions sometimes may result in narrow frequency band, large time delay and unstable system.
这样得到的控制系统频带较窄、时滞大，还有可能出现控制系统不稳定。 - The utility model provides a sound absorption assembled plate of a wide frequency band;
本实用新型提供一种宽频带组合式吸声板。 - The relationship between resonant frequency band and cell size in left-handed materials
左手材料的响应频段和单元尺寸关系的研究 - In this paper, the extension theory of bandwidth in digital system and three key points of frequency band extension technology are studied experimentally by simulation.
本文主要研究了数字系统频带展宽原理及频带展宽中的三个关键技术。 - Experiment results show that the dynamic performances of the system are improved and its frequency band is widen significantly by using the AMFC algorithm.
实验表明，该算法使系统获得了优良的动态性能，尤其对改善系统的频率响应，拓宽系统频带具有很好的效果。 - Bandstop filter is also commonly used in anti-jamming equipment to prevent interference within a frequency band and noise signals.
利用滤波，可以从复杂的信号中提取所需的信号，抑制不需要的信号。