离散的

While embedding watermarking, the watermarking sequences are produced by the chaos system,and are embedded into the low frequent coefficient of DWT domain to guarantee the robustness of watermarking.

该技术在水印嵌入时，由混沌系统生成水印序列，并在离散小波变换的低频子带上嵌入水印，保证了水印的鲁棒性。

In the discrete wavelet transform domain, the watermark sequence is modulated with m-sequence at first, then the watermark information is embedded by quantifying the coefficient of the transform domain. The quantification procession is given.

4在离散小波变换域，先对水印序列进行扩频调制，然后通过对变换域系数进行量化来嵌入水印信息，给出了量化方案；在水印的提取过程中不需要原始音频信号的参与。

In the discrete cosine domain, the watermark is embedded by quantifying the coefficient of the dct domain, spectrum-spread is applied. the watermark can be extracted without the original audio.

在离散余弦变换域，采用扩频技术通过对变换域系数进行量化来嵌入水印信息，在水印的提取过程中不需要原始音频信号的参与。

Hi the discrete cosine domain, the watermark is embedded by quantifying the coefficient of the DCT domain and the quantification procession is given; the watermark can be extracted without the original audio.

3在离散余弦变换域，通过对变换域系数进行量化来嵌入水印信息，给出了量化方案；在水印的提取过程中不需要原始音频信号的参与。

For discrete random effect model, the testing of variance component is studied and the score test statistics are obtained.

在离散型情形，用随机效应法研究了该模型的方差成分检验，得到了检验的Score统计量。

Moreover,the curve and surface subdivision occurs in 3D object rendering, surface approximation,wireframe displaying, finite element analysis and computing surface intersections,and so on.

随之而来的是对这些自由曲面的几何处理问题——曲线、曲面离散及裁剪等。

Under a lower pressure, the relationship between C/H and CO adsorption quantity was a beeline and the CO adsorption quantity increases with the of C/H ratio. The relationship between C/H and CO adsorption is a concave curve with the pressure increasing, and the higher the pressure, the higher the discrete degree.

当压力较低时，C/H与吸附量呈直线关系，随着C/H的增加而增加；随着压力的升高，C/H与煤对CO吸附量之间呈凹形曲线关系，压力越高离散度越大。

Weapply the kernel methods of regression functions and conditional density functions to obtain aseries ofβas the estimators ofβ.

回归函数核估计方法中，又分别提出了在选定连续样本点和离散样本点时的两种非参数估计模型，并对这两种模型做了详细的阐述。

A constructional theory for DEDS system is established in this paper.

本文在该理论的指导下创建了一个离散事件动态系统的构造性体系。

Performing the continued fraction expansion of the generating function corresponding to Al-Alaoui rule to obtain discrete approximation is better than the others.

研究表明，对分数阶控制系统进行离散化时，采用Al-Alaoui法和连续分数展开法相结合的方法可以得到较好的结果。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。