活动记录模式则可用来在域类内包装关系数据库持久性方法。
You use the active record pattern to wrap relational database persistence methods in domain classes.
这些模式讨论表示、到关系数据存储的映射、域逻辑、应用程序状态管理和创建的应用程序功能。
These patterns address presentation, mapping to relational data stores, domain logic, application state management, and common application functions.
在Initiatehub内部署的域模型并不能简单地1：1映射到一个关系数据库模型。
A deployed domain model in an Initiate hub is not simply mapped 1:1 onto a relational database model.
研究结果显示，在频率域内，面波衰减系数分布与群速度分布具有一定的相关性。
The correlation property between the distribution of attenuation factor and that of the group velocity is indicated, in this study.
在光线空间的数据压缩中，计算了数据的相关系数，采用二维离散余弦变换(DCT)进行了变换域分析。
Data correlation coefficients were calculated and switch regions were analyzed by using two dimension discrete cosine transform (DCT) in ray-space data compression.
与已有结果比较，新判据减弱了对系数矩阵的限制，扩大了稳定参数域。
Compared with the existing ones, the new criteria relax the limitation on coefficient matrix and give larger stable parameter domains.
同时分别给出了分解系数与稳定域的参数估计公式。
At the same time the decomposition coefficients and the: parametric estimate formulae of stable region are given.
然后，根据截断误差与相关系数的关系，导出了具有最大稳定域最小截断误差的实时RK4公式。
Then, at the basis of the relation of truncation error and related coefficients, a real-time RK4 formula with maximum stability region and minimum truncation error is deduced.
将信息获取能力分指标取数域延拓，求得相关对象关于灰类的综合聚类系数。
The number field continuation was adopted by information acquire ability sub index, and the gray comprehensive clustering coefficients of relative objects were also acquired.
同时算法与视频压缩算法相结合，在DCT域的次低频系数中嵌入信息，提高其鲁棒性。
At the same time, the algorithm is combined with the video compressing standards, and embeds the information in the coefficient of the sub-low frequency in DCT domain, which improves the robustness.
该算法以小波变换中的滤波器理论为基础，通过将图像序列在时间域的尺度分解和相应统计量计算，获得在红外焦平面校正中起影响的偏置和增益系数。
With the scale decomposition of image sequences on the time field and the corresponding statistics' calculation, the offset and gain coefficients in IRFPA NUC were obtained.
计算井水位气压系数、固体潮系数和海潮系数以前主要在时间域内一般用回归分析的方法。
Formerly, the barometric, solid tide and sea tide coefficients in water level change were usually calculated by means of regression analysis method in the time domain.
在众多语音信息隐藏算法中，挑选出一种幅度量化的信息嵌入方案，分别在离散余弦和小波变换域上，通过对变换域系数的幅度量化来隐藏信息；
This paper selects the algorithm by quantifying the amplitude of the transform domain coefficient and uses this algorithm in the discrete Fourier domain and the discrete cosine domain.
在变换后的球面域上用球谐函数来拟合速度函数，达到降低球谐系数阶数的目的。
Representing velocities by spherical harmonic expansion on the sphere after transformation can greatly reduce the number of spherical harmonic coefficients needed.
同步信号嵌入时域，以提高搜索效率，水印隐藏在离散小波变换域的低频系数中，以达到较好的鲁棒性。
Search efficiency is improved by embedding synchronous signals into time domain. Better robustness is achieved by hiding the watermarking into the low frequency coefficient of DWT domain.
在考虑地下室基础承台刚域及抗拔桩布置的情况下，对基础梁的弯矩计算进行分析推导，得出了跨中弯矩的折减系数计算公式。
Moments on basement foundation beams considering rigid zone of pile caps and pulling resistance of piles are analyzed. Reduction factor of midspan moment is gained.
用比较直接的方法证明幂级数的和函数在收敛域内可以逐项微分的公式；并得到了计算傅立叶系数的一种简便方法。
A relatively direct method is expounded in this paper to prove the termwise differentiation of power series, and a simple method is expressed to calculate the Fourier coefficient.
提出一种鲁棒的DCT域盲水印算法，将DCT系数进行特殊的自定义排列分组，并根据奇偶差实现水印的最优化嵌入。
The DCT coefficients are arranged in a specific way, and then the watermark is embedded based on odd-even difference for optimal embedding.
该方法在DCT压缩域，通过直接对DCT系数计算，获得图像纹理的统计特征，并作为检索的依据。
The statistical features of the texture images is computed directly from DCT coefficients, and used for image retrieval.
通过图像块与相似块在DCT变换域少数低频系数的比较，来确定匹配的相似块。
This method compares the few low frequency DCT transform coefficients of the range blocks and domain blocks to find out the matched domain block.
本文给出了在频率域内计算这三种系数的新方法。
In this paper, a new method for calculating the three kinds of coefficients in the frequency domain is introduced.
该算法结合图像的四叉树分解原理，利用图像小波域低频系数的特征来构造零水印。
The algorithm combines the quadtree decomposition of image, with making use of the characteristic of the lowest frequency coefficients in DWT domain to construct non-watermark.
本文对一维DCT变换压缩编码中变换域系数二次量化引起的图象损伤进行了频域和空间域分析，得出了一些有用的结论。
The image damage by transform coefficients quantization in ID-DCT transform compression coding is analysed on frequency domain and space domain. Some useful results are obtained.
充分利用二元树复数小波域内系数尺度间和尺度内的统计依赖关系，提出了一种新的局部自适应图像去噪方法。
A new locally adaptive image denoising method, which exploits the intra-scale and inter-scale dependency in the dual-tree complex wavelet domain, is presented.
以nsct域各子带系数的均值和标准方差构成基本特征向量。
By calculating the mean and standard deviation of image subbands decomposed by NSCT, the texture feature elements are extracted.
提出了一种将正交调制LFM信号产生系统的幅相误差映射到基带后，在数字域利用复系数FIR滤波器进行校正的方案。
The errors are classified according to their frequency. The amplitude and phase errors of the LFM signal generators using quadrature modulation technology are mapped into baseband.
提出了一种将正交调制LFM信号产生系统的幅相误差映射到基带后，在数字域利用复系数FIR滤波器进行校正的方案。
The errors are classified according to their frequency. The amplitude and phase errors of the LFM signal generators using quadrature modulation technology are mapped into baseband.
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