1) relative bandwidth
相对带宽
1.
The importance of relative bandwidth to the design of photonic crystal is described.
说明了相对带宽对光子晶体设计的重要性。
2.
By taking the development of the 22MHz quartz crystal filter with 1% relative bandwidth as an example,the shortcoming of the traditional filter circuits and wider bandwidth are analyzed,and the technique of bandwidth widening by inserting LC loop into traditional filter circuits is introduced.
以相对带宽为1%的22 MHz石英晶体滤波器的研制为例,对传统的滤波器电路及展宽的局限性进行了简要分析,重点介绍了一种在传统滤波器电路中插入LC回路的通带展宽技术。
2) Optimum relative bandwidth
最优相对带宽
3) dual bandwidth
对偶带宽
1.
The dual bandwidth of a graph G,denoted by (G),is the maximum value of the minimum labeling variance of any two adjacents in G.
图G的对偶带宽是指图G中相邻两点最小标号差的最大值,确定了圈Cn的r-冠图的对偶带宽,并给出了它的最优标号。
2.
The dual bandwidth of a graph G,denoted by (G),is the maximum value of the minimum labelling variance of any two adjacent vertices in G.
图G的对偶带宽是指图G中相邻两点最小标号差的最大值 。
3.
An introductory study of the dual bandwidth problem is presented.
研究了对偶带宽问题的基本性质和计算复杂性 。
4) coherent bandwidth
相干带宽
1.
The BER performance of FDDD was affected by both coherent bandwidth and coherent time of the channel, but the BER performance of FDDD is more sensitive to the change of coherent bandwidth, FDDD can be used to the multipath fading channel with shorter delay spread.
分析与仿真结果表明,信道相干时间和相干带宽均影响频域差分检测的误码率性能,信道相干带宽对频域差分检测的影响比信道相干时间的影响更大,频域差分检测适合于多径延迟扩展比较小的信道。
5) correlated bandwidth
相关带宽
6) relative width
相对宽度
1.
From the theoretical calculation of 1D photonic crystal,we conclude that the relative width of band gap get wider with the increment of the refractive index ratio.
以一维光子晶体为例,研究了其带隙相对宽度随其介质折射率比值变化的规律。
2.
The relative width in L1 metric of differentiable functions as defined by a real algebraic polynomial differential operator Pr(x) with real toots is studied,with asymptotic estimate of Kn(WPr1,WPr1,L1) obtained.
研究了由仅有实根的r次实系数代数多项式Pr(x)导出的微分算子所确定的周期可微函数类W1Pr在L1尺度下的相对宽度,得到了Kn(W1Pr,W1Pr,L1)的渐进估计。
3.
After the eigenvectors are formed by the relative widths between two absolute widths,the Euripides distance between the two eigenvectors is computed to implement the feature recognition.
提出了自动识别算法,利用曲率法定位特征点,根据特征点计算手指的绝对宽度,应用绝对宽度之间的相对宽度构成特征向量,计算特征向量之间的欧式距离,实现身份识别。
补充资料：带宽
分子式：
CAS号：
性质：光谱吸收发射分布曲线上半高强度之间的频率宽度。
CAS号：
性质：光谱吸收发射分布曲线上半高强度之间的频率宽度。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条