更好的模型可能是使用以1天和1年为周期的正弦和余弦函数。
A better model might be to use sine and cosine functions with a periods of 1 day and 1 year. This we can do by changing the formula to.
提出了同轴度误差的数学模型，其中给出一种高效的优化方法一余弦移位相加法。
The mathematic model of concentricity error and a advanced optimal method - "cosine shift plus" are put forward.
针对基于向量夹角余弦准则下组合预测模型，研究它的基本结构特征。
In this paper, the basic structural characteristics of combination forecasting model is studied under the criterion of vectorial Angle cosine.
本文提出了在余弦型波纹表面上进行冷凝传热的一个新物理模型。
A new physical model of condensation heat transfer on cosine-type corrugated surfaces is presented.
余弦曲线是周期现象的简单模型。
Cosine curve is a simple model indicating the periodic phenomenon.
该文抽象出图形处理器的流执行模型，描述图形处理器流处理机制的执行过程，在图形处理器上实现了二维离散余弦变换。
This paper abstracts a stream execution model of GPU, describes its stream execution process, and implements the discrete cosine transform on GPU.
采用D-H后置法建立了4R机器人运动方程，建立机器人执行机构在空间相对位置关系的数学模型，由此可解出手部位置和用单位矢量方向余弦表示的姿态。
A kinematics model by post D-H method for 4R-robot was offered in this paper, which derived the manipulator finger position and its attitude with unit vectors of direction cosine.
通过构造灰色关联度判断矩阵，确定加权向量、灰色关联投影角余弦及相关模数、计算投影值等步骤建立评估模型。
Through establishing grey correlative judgment matrix, the weighting vectors, projected angle cosine and corresponding module were confirmed and projected values was calculated.
用骨架语片做特征项，用空间向量模型表示文本语义，用语片的出现频度做语片权重，用余弦法计算文本间语义相似度。
Computing the semantic similarity of sentences by the method of cosine, eigenvalue come from the skeleton semantic clip, and the semantics of sentence expressed the vector space model.
再根据余弦均衡理论，可以推导出不同组织结构的企业人力资源总量余弦理论模型。
Then, according to the cosine balanced theory, the total of human resources of the cosine theory model in the enterprises having different organizational structures may be inferred.
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.
通过在离子束溅射镀膜系统上的实验研究并用仿真模型进行回归分析，给出了准确的余弦分布函数指数，最终建立能够定量计算的仿真模型。
By some experimental researches on IBSD system and regression analyzing, the exponent of cosine distribution is determined and the emluator are completed for quantificationally simulation.
针对离散余弦变换（DCT）系数分布模型类型存在的异议，研究并比较了拉普拉斯模型和广义高斯模型。
There is no consensus on the distribution of the AC DCT coefficients till now. In this work, the generalized Gaussian model and the Laplacian model, which are used most widely, were studied.
经过实例分析，指出指数余弦式模型的现实性及特点。
Reality of cosine-exponential correlation function is illustrated by examples.
经过实例分析，指出指数余弦式模型的现实性及特点。
Reality of cosine-exponential correlation function is illustrated by examples.
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