本文的水印方法借助扩频水印的思想,通过量化函数对版权保护图像的小波变换系数进行量化,产生的二值序列作为水印。
This paper borrows the idea from spread spectrum watermark, quantizes the wavelet transform coefficients the copyright protected image to produce a binary sequence, which is just the watermark.
从实验前、中、后的环比增长系数来看,不同阶段对不同关节产生不同的影响。
From the experiments before, during and after the chain growth factor, different stages for different joints have different impacts.
对《建筑抗震设计规范》中的柱端弯矩增大系数的提高幅度提出一些建议,以降低柱铰产生的可能性,使实际结构满足“强柱弱梁”的设计要求。
Gived some Suggestions to the improved degree of moment augment factor of column in Code for Seismic Design of Buildings, in order to reduce the probability of column hinge.
得出了产生甲状腺素的各生理化学反应系数对甲状腺素稳态数值大小的影响关系。
The relationship between the static value of thyroxin and the reaction coefficients of various physiologic chemical reactions upon the producing thyroxin is clarified.
实验结果表明,换热元件的长度对其传热系数的大小及传热系数的径向分布均产生显著影响。
The results show that local heat transfer coefficients and their radial profiles are obviously influenced by the vertical length of the heat probes.
该法案规定手机销售商要注明手机的辐射吸收系数(SAR)——对用户身体产生的电磁波吸收量,规定所有手机都不少于11点型式。
The law requires that retailers post the specific absorption rate (SAR) — the amount of radio waves absorbed into the user's body — next to all phones in no less than 11-point type.
简要介绍了材料热膨胀系数的定义及分类,并对经常使用的零件热变形的计算方法及计算产生的误差进行了分析。
The definition and classification of material's thermal expansion coefficient are introduced briefly. The thermal deformation calculation method and error of parts often used in practice are analyzed.
对在一个各向同性、均匀的弹性球的具有恒定的热传导系数的球面上进行加热这一理想情况下,计算了陨星由于空气动力学加热而产生的热应力。
Thermal stress in meteoroids by aerodynamic heating is calculated for the ideal case of an isotropic, homogeneous, elastic sphere being heated at the surface with a constant heat transfer coefficient.
在分析产生上述问题的基础上,采取轴体防断措施,并对马达进行了改进,大幅度提高了动力钻具的使用寿命及安全系数。
Based on the analysis of failures, measures were taken to protect shaft body from break, prolong motor life and improve safety factors.
要实现对ISAR的欺骗干扰,设计一个好的假目标信号尤为重要,其关键在于如何产生一个好的相位调制系数对截获对方ISAR信号进行调制。
To realize deception jamming against Inverse Synthetic Aperture Radar, a good phase modulation coefficient that is used to modulate intercepted ISAR pulse is very important.
研发投入对技术进步的系数变化曲线表现出斜向上“W”型,但从整体上看研发投入所产生经济效益会变得越来越好。
The coefficient curves of R&D on technical progress show oblique "W" type, but on the whole, the economic benefits generated by R&D will get better and better.
其次对一栋多层建筑的外墙传热系数进行了测试,测试值和设计值相差8.43%,并分析了产生误差的原因。
Secondly, testing the exterior wall's heating transfer coefficient in tier building, the differences between testing valve and design value is about 8.43%, and analysis the reason of the error.
首先根据设计要求用MATLAB产生相应的滤波器系数,用CS D码对系数进行优化,然后采用折叠结构,通过代码实现。
First, the design requirements in accordance with MATLAB to produce the filter coefficients, using CSD coefficients to optimize the code right, and then folding structure, achieved through code.
建立了两组输运系数间的关系,还讨论了外场对体系中发生的不同过程所产生的影响。
Relations between two groups of transport coefficients are established. The influences of the external fields on differ…
遮阳处理能促进叶龄、分蘖的增长,但不利于叶面积的增长,对纤维细胞的长度、柔性系数、长宽比等也产生不良影响。
Sun-shading can promote the growths of leaf age and tiller, and the leaf-area. The negative impacts on length of fibre cell, coefficient of flexibility, ratio of length and diameter.
开洞对短边立面上的最不利风压系数不产生明显的影响。
The openings have little effects on the wind pressure on the short facades.
开洞对短边立面上的最不利风压系数不产生明显的影响。
The openings have little effects on the wind pressure on the short facades.
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