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
- Fault Diagnosis for Diesel Valve Drain Based on Euclidean Closeness Degree and Frequency Band Energy Decomposition Using Wavelet Packets
基于小波包频带能量分解和欧氏贴近度的柴油机气阀机构故障诊断 - 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。 - Another attribute is the flux or radiant power that can be delivered in that narrow frequency band.
另一个性质就是在这样窄的频带内可以给出很高的光通量或辐射功率。 - Under normal circumstances, in order to filter at any frequency band have good frequency resolution, can be used with a broadband constant-pass filter, such as radio frequency-selective.
一般情况下，为使滤波器在任意频段都有良好的频率分辨力，可采用恒带宽带通滤波器，如收音机的选频。 - Spread spectrum, frequency-hopped, which generates many codes over a wide frequency band.
它在很宽的频带上产生许多代码。 - The noise from injection and bubbling has the character of wide frequency band and high noise level.
喷注与鼓泡产生的噪声具有频带宽、声压级较高的特征。 - Generally, low reflectance within low frequency band is difficultly obtained by using ordinary lossy material.
在使用普通的损耗材料进行设计时，很难在低频段获得较低的反射率。 - 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。 - The theoretical analysis and experiments demonstrate that the compensator is very effective on extending the work frequency band of sensor, as well as advanced and practical.
理论分析与实验表明了该补偿器的有效性、实用性、先进性。 - 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。