spatial adj. 1.空间的;在空间中存在[发生,占有位置]的。 2.占大篇幅的。 too spatial a theme for a book like this 要占很大篇幅,不是这本书所能容得下的主题。 n. -ity 空间性。 adv. -ly
domain n. 1.领土,版图;领地。 2.管区,势力圈;(特定动物等的)生长圈;(学问、活动等的)领域,范围;【物理学】磁区,畴;【数学】域;整环。 3.产业,房地产;【法律】土地[产业]所有权。 4.【计算机】域名(= domain name)。 the domain of Great Britain 英国的版图。 the domain of science 科学领域。 Geography is not within my domain. 地理不是我的专长。 We enter the domain of the pine trees. 我们进入了松树生长带。 be out of one's domain 非其所长。 domain of use 【法律】地上权。 eminent domain 【法律】(国家对一切产业的)支配权,征用权。 -al,-nial adj. 1.属于某一领地[领域]的。 2.拥有领地的。
The difference among spatial domain watermarking , watermarking based on fractals and frequency domain watermarking are analyzed . chapter 3 describes the theoretical capacity measures for information hiding based on still image 利用直接扩频技术把被隐藏信息转换为嵌入信号并将它嵌入选定的静止图像的dct系数中,对水印信道容量进行计算。
Simply state , topology optimization consists of determining the best arrangement of a limited volume of structural material within a given spatial domain so as to obtain the optimal mechanical performance of the concept design 拓扑优化是指确定结构单元、节点及内部边界的空间连接方式。其要求结构工作性态良好,结构物有较高的安全度和可靠性。
Thus the main and auxiliary polarization radars form a side lobe canceller system . based on the modeling of this system , an anti - jamming filter algorithm in the polarization - spatial domain is brought forward 针对接收全极化雷达,在其旁边放置全向双极化正交阵列天线与雷达构成旁瓣对消系统,并根据系统模型提出了极化域-空域联合滤波抗干扰算法。
This paper discusses 4 types of processing methods : time - spatial domain frequency splitting random noise attenuation , frequency - spatial domain coherent noise attenuation , waveform match processing and gather data fitting 3 - d random noise attenuation 针对这一问题,进行了数据优化处理技术研究,研究的基础资料是胜利油田渤深6区块的三维地震数据。
Regarding to the algorithms of speckle reduction , many algorithms have been presented abroad and domestic . for examples , the multi - looks averaging , the filtering of spatial domain and the filtering of polarimetric domain and so on 关于sar及极化sar的相干斑抑制,国内外已经提出了不少的算法,从最初的多视平均到空域滤波,再到极化域滤波等等。
After analyzing the problem of denoising systematically and deeply , we did our research work on spatial domain , frequency domain , temporal domain , color domain and wavelet domain respectively to decompress the noise in the video sequence 我们对视频序列的去噪问题进行了深入地系统地认识和分析后,在空域、频域、时域、色彩域、小波域等域对视频序列进行了去噪的研究。
The accuracy of calculation is improved for direct calculation in spatial domain , and the speed of calculation is faster than the conventional cross - correlation algorithm for eradicating plenty of illusive aims to eliminate the redundant operations farthest 该算法在空域中直接计算,提高了计算精度;在粗尺度上排除大量虚假目标,最大限度地去除了冗余处理,提高了计算速度。
In spatial domain , according to the characteristics of hvs ( human visual system ) , we introduce several approachs based on images " deviation , images " flatness measurement , fuzzy classification , and an approach based on difference matrix as well 在空间域内,利用人的视觉特性,我们提出了基于图象方差、图象平坦测度、模糊分类的隐藏算法,同时提出了基于差值矩阵的信息隐藏。
Therefore , this technology has great prospect with significant applicational value . this thesis firstly introduces the developmental process of super - resolution image fusion as well as all kinds of algorithms basing on both frequency domain and spatial domain 本文首先对超分辨率图像融合的发展历程和超分辨率图像融合的频域及空域的各种算法进行了介绍,并分析和比较了各种算法的优缺点。
We embed copyright watermark utilizing variance modulation on dc coefficients of dct transform ; and in the spatial domain , we embed authentication watermark gemerated from one - way hash function , lossless compression and least - significant - bit embedding 在频域中,我们采用了方差调制法,对版权水印进行嵌入;在空域中,我们采用了单向散列函数、无损压缩和最低有效位等方法,对认证水印进行嵌入。