frequency band

频带

常用释义

词性释义

频率带:一系列连续的声学、无线电或光谱频率范围之一,每个频率范围的起始点是前一个频率范围的结束点。
例句
  • 全部
  • 频带
  • 频段
Communication of the second frames uses a second frequency band that at least partially overlaps the first frequency band.
第二帧的传送使用至少部分与第一频带交迭的第二频带。
直线压缩机的性能受到系统工作频率的影响,只在较窄的工作频率范围内有较高的效率,存在最佳效率点。
每一个天线元件或者独立谐振,或者增加高频段内的总操作带宽。
Then the every frequency amplitude of auditory correlogram was coded as a feature vector expressing present frequency band characteristic.
并将听觉相关图中每个频带的频率分量幅值进行特征编码作为表征当前频带特性的特征向量。
最后我们假设信道衰落过程跨光频带是平坦的,并与符号持续时间缓慢相关。
传送和接收电磁信号的一特定的频率波段,如电视信号。
它在很宽的频带上产生许多代码。
在高频段,工作参数是通过影响桥区的等离子体密度影响辐射信号的;
中频部分设计采用QPSK调制技术以满足快速移动传输的要求;
The Keylontic Science Teachings are of a frequency of energy keyed to the 6th dimensional frequency band and higher.
Keylontic科学技术是能量频率,被锁定在6维以及更高的维度频率带中。
带阻滤波器也常用于抗干扰设备中阻止某个频带范围内的干扰及噪声信号通过。
射频部分设计采用集成微波射频芯片进行各模块电路的设计以达到较高的传输性能;
Simulation results show that OMT possesses good efficiency and can operate over the whole main-mode frequency band.
仿真结果表明:该器件带宽可覆盖整个波导主模频段。
当光纤在脉冲输入的频率范围有异常色散的现象时,另一个非常重要的现象会变得非常重要。
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。
The results show that the crucial factors for imaging quality are carrier frequency, band width and TEC (total electron content).
结果表明:雷达工作频率、带宽以及路径电子总量(TEC)是影响成像质量的决定因素。
振动轮胎表面由于道路造成噪音影响激发辐射的频带通常低于500赫兹。
The frequency parameters are set in highly denseness in high energy frequency band, but in sparse denseness in low energy frequency band.
在能量高的频段密集选取频率参数,相反在能量低的频段稀疏选取频率参数。
该包含矩阵加强了气缸爆发噪声信号在气缸爆发频率所在频段的信息。
Thus, a fault can be identified as internal or external one according to the spectrum energies in the foregoing two frequency band.
通过比较这两个频带内暂态信号的谱能量来实现区内外故障的准确识别。
毫米波频段是目前军事电子技术发展的主要频段。
The brain's neurons are organized to respond to sounds in a particular frequency band.
大脑神经元会对一定波段的音声作出反应。
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。
另一方面,在那些少雨地区急需开发高频段的微波接力通信系统。
在今后的工作中将继续对微带贴片天线的频带展宽技术做进一步研究。
可编程宽频带精密延时器设计。
高密度探头,宽频带技术,大大改善图像近远场的质量。
供单一线路传播电子信号的一段广播频率或部份电缆。
噪声和边缘一样都属于高频信号,很难用频带来做取舍。
第三章分析并设计了射频直接带通采样结构软件软件无线电系统的DSP硬件平台;
1·If only one channel is available in the frequency band equipment protection can be optionally implemented with a1 + 1hot standby configuration.
如果频带中只有一个信道可用,可以选择使用1 + 1热备用配置实现设备保护。
2·The MIMO systems use multiple antennas at both the transmitter and receiver to transmit signal in the same frequency band at the same time can significantly increase the channel capacity.
MIMO系统在发送端和接收端利用多个天线同时在相同的频带内传输信号,使得信道容量得到很大的增加。
3·Broadcasting network by satellite, with its wide frequency band and vast overlay, ACTS as an excellent medium for the widespread of information.
卫星广播电视网以其频带宽、覆盖面广的优点,为信息的传播提供了非常良好的媒介。
4·This paper describes a new viewpoint: of evaluating the utilization rate of the spread spectrum system frequency band.
本文提出了评价扩频系统频带利用率的新观点。
5·The selection of filter is controlled by software, so that low-noise signal can be acquired in a wide frequency band.
由软件控制选择滤波器,这样可以在很宽的频带获得低噪声的信号。
1·With the perfect characteristics of acoustic vector sensor in the low frequency band, accurate DOA estimation is achieved with small array size.
利用矢量传感器在低频段的良好特性,实现了小尺寸声阵条件下的高精度目标DOA估计。
2·Finding out the major concentrated frequency band of tool-wear information can enhance SNR (Signal Noise Ratio) and improve tool-wear degree recognition result.
找出刀具磨损信息在可听阈内的主要集中频段能提高切削声信号的信噪比,改善识别结果。
3·Short wave is radio frequency band earliest utilized by human being, and short wave communication is one modern communication method with a long history.
短波是人类最早开发利用的无线电频段,短波通信是历史最为悠久的现代通信手段之一。
4·Turbulent characteristics of different frequency band in constant volume combustion bomb can be realized by changing the structure of the perforated plate and the velocity of driving motor.
利用孔板平动法生成湍流,通过调节平板孔径的大小和驱动电机的转速来达到在定容燃烧弹内生成不同频段湍流特性的目的。
5·At high frequency band, the frequency response error of a peak detector is the high frequency resonance error mainly produced by the distributive parameter.
峰值检波器的频响误差在高频段主要是由分布参数产生的高频谐振误差。