1) directivity graph
方向特性图
2) direction characteristic
方向特性
1.
The direction characteristic of radiation wave of array dipole source in the conductive strata;
阵列偶极源辐射场在导电地层中传播的方向特性
2.
On the basis of it,the influence of the array dynamic parameters on the direction characteristic of the array gain,which includes the number and interval of dynamic synthesis array,the time and space correlation radii of noise and torpedo-target range,is studied.
在此基础上,研究了阵元数量、时间相关半径、空间相关半径、鱼目距离和阵元间距等基阵动态参数对增益方向特性的影响。
3) directional characteristic
方向特性
1.
A set of algorithms for fingerprint image preprocessing based on directional characteristic is presented,including foreground/background segmentation,smoothing in gray image,binarization,filtration in binary image and thinning.
提出了基于方向特性的指纹预处理算法,包括前景/背景提取、平滑、二值化、二值滤波、细化5部分。
2.
The lifting wavelet transformation is introduced and the directional characteristic of the high-frequency coefficients is discussed and analyzed in this paper.
介绍了图像的提升方案小波变换并统计了图像经小波变换后各高频子带系数的方向区域特性,据此提出了一种新的基于小波系数方向特性的图像融合方法。
3.
The neighboring relation of low-frequency wavelet coefficients and the directional characteristic of the high-frequency coefficients is discussed and analyzed,then,a novel image fusion algorithm based on directional spread of wavelet coefficients\'differences is proposed.
对图像经提升小波变换后低频小波系数的区域相关性以及高频小波系数的方向特性进行了分析和统计,提出了一种基于小波系数差值方向传播的图像融合新方法。
5) active element scattering pattern(AESP)
特征散射方向图
补充资料：图的减缩图(或称图子式)
图的减缩图(或称图子式)
minor of a graph
图的减缩图(或称图子式)【.皿以ofa脚户;MHHoPrpa中a」【补注】设G是一个图(graph)(可以有环及多重边).G的一个减缩图(nullor)是从G中接连进行下述运算而得的任何一个图: i)删去一条边; 五)收缩一条边; 说)去掉一个孤立顶点. NRobe由on与P.D.Se脚aour的图减缩定理(脚Ph nl的。r theon习11)如下所述:已知有限图的无穷序列G，，GZ，…，则存在指标i
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