英语释义

1. a range within a band of wavelengths, frequencies, or energies especially a range of radio frequencies which is occupied by a modulated carrier wave, which is assigned to a service, or over which a device can operate

2. the capacity for data transfer of an electronic communications system
Graphics consume more bandwidth than text does. especially the maximum data transfer rate of such a system
a bandwidth of 100 megabits per second

3. the emotional or mental capacity necessary to do or consider something
I don't have the bandwidth to do it all myself, and I feel like a failure because I'm not living up to my own ideals.
— Frances Lefkowitz

4. a measurement of the ability of an electronic communications device or system (such as a computer network) to send and receive information

片语

band gap width带隙宽度

half band-width半带宽

predetection band-width检波前的频带宽度

band pass width通过频带

energy band-width能带宽度

gain bandwidth[通信] 增益带宽

modulation band-width调制带宽

high bandwidth高带宽

band-width balance带宽平衡

frequency bandwidth[通信] 频带宽度

system band-width系统带宽

bandwidth control[电子] 带宽控制；频宽控制；带宽调节

band-width tactics带宽策略

英汉例句

• as far as the power and band width of the electromagnetic pulses are concerned, the generation of electronic pulses by photoconductive switches is more effective.

  在兼顾功率容量和带宽两方面，用光电导体结合超短脉沖激光技术形成的超快光电导开关产生超短电磁脉沖有很大优势。

• how to reduce band width and suppress background is also discussed.

  文中还对带宽的压缩和背景的抑制进行了讨论。

• every consumer only receives the data that it has interests, by doing so, it saved band width and the data searching time, and improved efficiency.

  各个消费者只接收到自己感兴趣的数据，这样节省了带宽和各个消费者查找数据的时间，提高了效率。

• band width 26mm.

  表带长度为26mm 。

• comparing with mwnts, the maximum absorbing peak of the mwnts with ni coating reduce, but the band width has the broad trend.

  碳纳米管表面镀镍后吸收峰值虽然变小，但吸收峰有宽化的趋势，这种趋势有利于制造宽频吸波材料。

• the design of lc filter determines the transmission band width of the whole filtering means and the switching frequency of the device in the active power filter of current source.

  另外，在电流源有源滤波器中，lc滤波器的设计决定了整个滤波装置的传输带宽以及器件的开关频率。

• the fft is a match filter for sinusoid signal, and the band width of the match filter will decrease with increase in integrated time .

  fft对于正弦信号而言是匹配滤波器，随着积累时间的增加匹配滤波器的带宽会随之减少。

• the curves of stop band width vs. geometric and constitutive parameters were provided as the optimal structure data for engineering design.

  提供了阻带宽度与各结构、材料参数的关系曲线，为工程设计提供了优选结构的参考数据。

• if the control plan can't satisfy the green band width of streetcar, the objective function will be modified to the maximum of green band width of streetcar, and the model will be solved again.

  若控制方案不能满足有轨电车绿波带宽要求，则将控制目标改为有轨电车绿波带宽最大，重新进行求解。

• as a result, a set of models is formed to measure instant and non-instant data, and the band width of telecommunication support network in electric power corporation.

  探索性地形成了一套省电力公司实时数据和非实时数据、电信支撑网信息数据带宽计算的模型。

• the improved algorithm selects the band width and down sampling ratio with the shortest computation time in accordance with the parameters.

  在保证频谱细化要求下，此改进算法可根据参数选择运算量最小的滤波器带宽和选抽比。

• transmit fuction of heat was derived in this paper, a method of controlling characteristic with some band width and the structure of the std bus microcontroller was pre…

  文中推导淬火炉的热传递函数，介绍了具有一定带宽的继电器特性控制方法和std总线单片机系统的具体结构。

• due to the restriction of aperture effect and the aperture delay, it is difficult for a conventional phased array radar to get wide instantaneous band width under wide scan scope.

  由于孔径效应和孔径渡越时间的限制，传统的相控阵雷达难以在大扫描角下实现大瞬时带宽，有机聚合物光波导延迟线可解决这一问题。

• up to two optional filters * can be installed, providing flexible band width selection and filter combinations.

  最多两个可选的过滤器*可以安装，提供灵活的带宽选择和过滤器组合。

• in this paper, a new algorithm for identification of noise fm jamming band width based on video waveform of radar is proposed and has been experimented.

  本文提出了一种基于雷达视频波形的噪声调频干扰带宽的辨识算法。并在地空导弹雷达制导站实地录取了干扰数据，用该算法进行了实验研究。

• the relation between the residual stress and heated band width in multi pass welding behaves in the latter type.

  多层焊形式下的残余应力与加热宽度的关系表现为后一种型式。

• it is found that its evolvement, transmission and band width of the supercontinuum are affected greatly by dispersion of the photonic crystal…

  研究发现，光纤色散和强非线性对飞秒脉沖在光子晶体光纤中传输、演化以及超连续谱的展宽有很大影响。

• this article by the actual result, introduced the changing of spectrum band width to the spectrum luminosity test affect.

  本文以实测结果，介绍了光谱带宽变化对光谱光度测量的影响。

• the quality of voice communication depends on internet band width of both users.

  语音交谈的品质视交谈双方的频宽而定。

• at present, using the second-generation or the second-generation half mobile communication network, the limited network band width becomes the bottleneck of guarantee quality of map service.

  目前，使用的是二代或二代半移动通信网络，有限的网络带宽成为保证地图服务质量的瓶颈。

• the band width of the radio-frequency signal for the spread spectrum communication can be spreaded to several times or even thousands of times the band width of the information signal.

  扩频通信的射频信号频带宽度，可扩展到信息信号频带宽度的数倍乃至数千倍。

• the band width is reduced lowest by increasing data memory on the chip acceptably.

  通过适当地增加片上数据存储空间，使得整个环路滤波的过程占用的带宽资源最小。