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。 - 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。 - The low frequency band data pass unit comprises a plurality of stubs which are connected to the data bus in parallel and are formed as printed circuit board ( PCB) patterns.
低频段数据通过单元可包括多个短线，该短线与数据总线连接且被形成为印刷电路板（PCB）图案，短线相互平行； - 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。 - Multi-parameter estimation of coherent signals over wide frequency band
宽频段相干信号多维参数联合估计算法 - The thermal noise of resistance could be overcome by reducing the physical temperature, choosing appropriate working frequency band low noise elements, etc.
可通过降低电路的物理温度、择合适的工作频带及低噪声元件等措施，克服电阻热噪声。 - 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 frequency of this smoothed waveform is fixed, the amplitude is unique, and the frequency band performance is good.
这种平滑化的波形频率固定，幅度统一，具有较好的频带性能。 - 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。 - 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