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
- 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。 - 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 - 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 systems enable increased efficiency in the usage of frequency band.
这种系统能够增加在频段的使用效率。 - The frequency band energy method based on the wavelet analysis is used for getting the characteristics of the running noise.
同时,运用基于小波分析的频带能量法提取运行噪声的特征。 - The innovative Auto Frequency Scan function enables the system to automatically scan the UHF frequency band and select the strongest RF signals from the microphone's transmitter.
创新的自动频率扫描功能,使系统能自动扫描UHF频段,然后从话筒的发射机射频信号最强。 - The serial product features include wide frequency band, low VSWR, high attenuation accuracy, small dimensions, high power, excellent capacity in anti-burnout etc.
该系列产品具有频率范围宽、驻波系数低、衰减精度高、体积小、功率大、抗烧毁性能好等特点。 - 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。 - 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。 - Very low frequency band radiated field system
甚低频带辐射场系统
