A kind of waveguide band-pass filters with very narrow pass-band in Ka-band was presented.
提出了一种Ka频段具有极窄通带的波导带通滤波器方案。
An UNB Power Line Meter Reading System Based on OFDM;
基于OFDM的电力线超窄带通信抄表系统
High speed MODEM design for narrow band communication
面向窄带通信的高速调制解调器设计
narrow-band optical bandpass filter
窄带光学带通滤波器
Design of X-band Waveguide Ultra-narrow-band Bandpass Filter
X波段波导超窄带带通滤波器的设计
a narrow gap or pass between hills or woods.
小路山间或林间狭窄地带或通道
Research on the Realizability of UNB Communications and VWDK;
超窄带（UNB）通信可行性及VWDK研究
Narrowband Interference Suppression in Direct Sequence Spread Spectrum Systems
直接序列扩谱通信中的窄带干扰抑制
Study on Narrow-band Interference Rejection in Spread Spectrum Systems
扩频通信中窄带干扰抑制技术的研究
Fatigue test methods for classical V-belts and narrow V-belts
GB/T14562-1993普通V带和窄V带疲劳试验方法
Design of a compact narrow band-pass filter with harmonics suppression
一种具有谐波抑制特性的窄带带通滤波器设计
A narrow strip of ribbon or similar material, often worn as a headband.
窄饰带丝质或类似材料的狭长带子，通常用作束发带
Belt drives--Pulleys for classical and narrow V-belts drives(system based on datum width)--Geometrical inspection of grooves
GB/T11356.1-1997带传动普通及窄V带传动用带轮(基准宽度制)槽形检验
Belt drives--Pulleys for classical and narrow V-belts drives(system based effective width)--Geometrical inspection of grooves
GB/T11356.2-1997带传动普通及窄V带传动用带轮(有效宽度制)槽形检验
long and narrow strip of water made for boats or for irrigation.
一带长又窄的水流，可以让船通行或灌溉。
A relatively restricted frequency band, normally used for a single purpose, or made available to a single user.
比较狭窄的频带，通常用于一种目的或一个用户。
Study on Narrowband Interference Suppression Techniques in Transform Domain Communication System;
变换域通信系统的窄带干扰抑制技术研究
The Study on Transform-Domain Narrowband Interference Suppression in DSSS Communication Systems;
扩频通信中窄带干扰的变换域抑制技术研究
Suppression of Narrow-band Interference in Spread Communications in HF;
短波扩频通信中抗窄带干扰技术的研究