Because of their narrow bandwidth, CF signals portray only the target's presence and, in the case of some bat species, its motion relative to the bat's.
因为它们的频宽很窄，CF信号只能描绘目标的存在，而对于一些种类的蝙蝠来说，CF 信号还能描述目标相对于蝙蝠的运动。
If the wave packet has a narrow bandwidth, it will extend over a large region of space and time.
如果包带的带宽很窄，那么它将占据一个很大的空间和时间区域。
On account of narrow bandwidth, many applications of microstrip antennas are limited in great degree.
微带天线的窄频带在很大程度上限制了它在许多方面更广泛应用。
Two-photon resonant NFWM is a Doppler-free spectroscopy by using the narrow bandwidth of incident laser beams.
当用窄带宽的激光时，该技术对里德堡能级的窄光谱结构可以获得消多普勒的分辨率。
The narrow bandwidth property of a microstrip antenna is one of the important reasons to restrict its wide application.
微带天线的窄频特性是限制它广泛应用的原因之一。
The experiments show that it can be used to filter a narrow bandwidth laser light to obtain a narrower output spectrum.
初步实验表明，用它对窄带的光源进行滤波，可以获得线宽更窄的光谱。
For the narrow bandwidth peer, the search proxy is adopted to make full use of bandwidth and to reduce the network delay.
同时为低带宽节点引入了搜索代理的机制，提高了带宽的利用率，减少了搜索延迟。
Narrow bandwidth has been one of the most serious limitations hindering the wider application of microstrip antenna technology.
频带窄严重制约微带天线的广泛应用。
Using this arithmetic, the author has reached the real-time transmission of B-ultrasonic video through narrow bandwidth channel.
利用该算法，作者实现了B超视频在低带宽信道中的实时传输。
It is desirable to have an automatic nodal numbering scheme to ensure that the corresponding matrix will have a narrow bandwidth.
因此，需要有一个减小带宽的节点自动编号方法。
Compared with conventional tunable acoustic-optic filters the present filter offers more narrow bandwidth and faster tuning speed.
该滤波器与通常的声光可调滤波器相比，带宽更窄，调谐速度更快。
The F-P type tunable liquid crystal (LC) optical filter is a kind of compact tunable filter with narrow bandwidth and low tuning voltage.
型可调谐液晶光学滤波器是一种小体积窄带宽低压调谐滤波器。
MDI's WF series waveguide Bandpass and Harmonic Filters excel in applications where high frequency, narrow bandwidth and high 'Q' are essential.
MDIWF系列波导通频和谐波滤波器，擅长应用与高频，窄带宽和高Q频率。
Since a relatively narrow bandwidth is involved, it is also likely that ac excitation also offers greater immunity to rf interference than dc excitation.
因为包含相对地狭窄的带宽，并且是可能的交流励磁为射频干涉并且提供比较伟大的安全性直流励磁。
In design, the requirements of both narrow bandwidth and higher transitivity for the cavity were considered compatibly. The transitivity of mode cleaner is 70%.
设计中兼顾了窄线宽与透过效率两方面要求，模清洁器的透过效率为70 %。
The invention solves problem of inconvenience for replacing device and incapability of narrow bandwidth using 2B+D interface press key control cab for the present.
本发明解决了目前以2B+D作为接口的按键调度台，由于器件更换不便以及带宽太窄不能充分满足业务需求而带来的问题。
Underwater acoustic channel is a time-space-frequency variant channel, having a character for narrow bandwidth, high ambient noise level and strong interference of multipath.
而由此构成的水声信道是一个空间与频率响应随机快速变化的传输信道，存在窄带、高噪及强多途干扰。
The operation of Dual Busy Tone Multiple Access(DBTMA) is based on the RTS/CTS packet and two narrow bandwidth, outofband busy tones. The RTS/CTS dialogue is used to reserve the channel.
双忙音多址接入（DBTMA）协议是采用RTS/CTS对话机制来预约信道，通过引入两个窄带带外忙音信号来避免分组间冲突，解决了隐藏终端和暴露终端问题。
By improvements of ultra-narrow bandwidth in receiving system, receiver's overload level and dynamic reserve have been increased, which is helpful to solve problems caused by overload distortion.
在改进接收系统窄带特性的基础上，提高了接收机的过载电平和动态储备，解决了原样机易于出现过载失真的问题。
The radio provides interoperability and compatibility with IP-based systems and has an extended radio-frequency range and narrow-frequency bandwidth operating modes.
电台提供可以与基于IP的系统的互操作和兼容，并已扩大电台频率范围和窄频带宽操作模式。
The radio offers interoperability and compatibility with Internet Protocol-based systems and has an extended radio-frequency range and narrow-frequency bandwidth operating modes.
该电台兼容基于互联网协议的系统，可进行互操作，拥有扩展无线电频率范围和窄频带操作模式。
The radio offers seamless interoperability and compatibility with Internet Protocol-based systems and has an extended radio-frequency range and narrow-frequency bandwidth operating modes.
无线电台提供了与互联网协议为基础的系统无缝链接的互操作性和兼容性，并拥有扩展的无线电频率范围和窄带操作模式。
In the highly crowded HF band, available continuous bandwidth is very narrow, this threaten the viability of HF radar based on the continuous spectra signal system seriously.
在拥挤的高频频段，可用的连续带宽比较窄，基于连续谱信号体制的高频雷达的生存能力受到严重威胁。
Generally speaking, the most efficient enclosures are the two narrow-bandwidth bandpass designs with the dual-reflex version having a slight edge.
通常来说，效率最高的箱体是两种窄带宽的带通箱设计，其中双反射版本会有小小的优势。
Detecting capacity could be increased by utilizing the optical filter with bandwidth narrow enough.
采用透射带宽足够窄的滤光器，可有效提高系统的探测能力。
The transmission curve of birefringent filter is given experimentally. Its transmission bandwidth is very narrow and all the sub-peaks are suppressed fewer than 10%.
通过实验给出了三元组合双折射滤光片的透射曲线，其透射光谱带宽较窄，次峰被抑制在10%以下。
The relationship shows that the maximum bandwidth is limited for these algorithms and becomes narrow when the center frequency is lower and the imaging squint angle is larger.
这种关系表明雷达可用的信号带宽是有一定限制的，随着工作频率的下降和成像斜角的增大，可用的信号带宽会变得越来越小。
Single-Reflex bandpass designs can also have good transient characteristics if their bandwidth is fairly narrow, but again, not as good as an optimized sealed enclosure.
带宽相当窄的单反射式带通箱也有能够拥有好的瞬态特性，但是再次强调，不可能赶上最优化的密闭箱体。
Many existing CO DSL modems may only support a relatively narrow receive frequency range, which will increase the difficulty of estimating the much wider bandwidth far-end loop noise.
许多已有的CO(中心局)dsl调制解调器可以只支持相对较窄的接收频率范围，这会增加估计宽的多的远端环路噪声的难度。
Many existing CO DSL modems may only support a relatively narrow receive frequency range, which will increase the difficulty of estimating the much wider bandwidth far-end loop noise.
许多已有的CO(中心局)dsl调制解调器可以只支持相对较窄的接收频率范围，这会增加估计宽的多的远端环路噪声的难度。
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