检验结果表明，广义高斯模型比拉普拉斯模型更准确地反映了DCT交流系数的分布。
The results of the tests show that the generalized Gaussian model is better than the Laplacian model in portraying the distribution of the AC DCT coefficients.
基于图像离散余弦变换(DCT)交流系数的拉普拉斯分布模型，提出了一种盲提取数字图像信息隐藏算法。
The ac coefficients of an image's Discrete Cosine Transform (DCT) are best approximated by Laplacian distribution model. Based on this model, the blind information hiding algorithm was proposed.
根据运动估计的残差图像的DCT变换后交流系数的统计分布规律，推导出了一种块匹配运动估计的匹配准则。
In this paper, we propose a matching criterion for block-matching motion estimation based on the statistic distribution of DCT AC coefficients.
另外因为嵌入到亮度类dct的交流系数中，所以可在保证视频后果不失真的前提下，使水印具有很强的健壮性。
As the brightness of the embedded category exchange DCT coefficients, and so we can ensure video effects without really premise, so that the watermark is very robust.
另外因为把水印嵌入到亮度dct的交流系数中，可在保证视频后果不失真的前提下，使水印具有很强的健壮性。
In addition, the watermark has strong robust when the video frequency effect is not dropped, because the watermark is embedded in luminance AC domain.
数据词典用于捕获不同数据元素的含义和表示形式，并就此进行交流，最常用于关系数据库。
A data dictionary is used to capture and communicate the meaning and representation of various data elements, most commonly for relational databases.
利用交流电桥和约利弹簧秤组成实验装置，测量了金属的线胀系数和液体的密度。
Coefficient of linear expansion of metal and density of liquid are measured by the experiment device which is composed of AC bridge and Joly spring balance.
传统测量电感的自感系数是用交流电桥，它存在平衡点较难找，并且在空间杂散信号干扰下很容易产生误差。
The measuring of self-inductance coefficient by means of direct current bridge method has reduced the difficult and improved the precision of measuring.
交流网络架空线的电话干扰系数；
The telephone interference factor in the overhead line of power network.
研究发现包层膜有效折射率、直流耦合系数及奇数阶次的交流耦合系数都随着波长的增加而减小。
It is revealed that the effective refractive index and the DC coupling coefficient, as well as the ac coupling coefficient of odd order modes, will be decreased with the increase in wavelengths.
本文首先研究了交流励磁发电机的三相静止坐标系数学模型和两相旋转坐标系数学模型。
In this paper, the mathematical models of ACEG in static three-phase coordinates and in rotary two-phase coordinates are studied.
PWM交流伺服系统是一个高阶非线性对象，本文把它简化处理为低阶变系数线性对象。
PWM AC servo motor is normally a nonlinear control object of high order. In this paper it is simplified as a linear object of low order with variable parameters.
在直流电路中这并没有影响，但对交流电路却有反作用，因为感应系数使该器件对频率的变化很敏感。
This does not affect performance in DC circuits , but can have an adverse effect in AC circuits because inductance renders the device sensitive to changes in frequency. disadvantages.
在直流电路中这并没有影响，但对交流电路却有反作用，因为感应系数使该器件对频率的变化很敏感。
This does not affect performance in DC circuits , but can have an adverse effect in AC circuits because inductance renders the device sensitive to changes in frequency. disadvantages.
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