离散化

This approach not only discretizes time series, but also reduces or compresses the original data.

这样不仅能实现离散化，还可以达到数据缩减的功效。

On the basis of computational heat transfer and computational combustion,author disperses the control equations.

以目前在计算传热学、计算燃烧学中普遍使用的控制容积法为基础，对偏微分方程进行了离散化处理。

In particular, we discuss impact of various parameters change to the model, such as, disperses and the conversation between pixels and distance and aberrations, and give some recommendations for improvement.

特别地，我们也讨论各种参数变化对模型的影响、离散化及像素和距离的转换对模型的影响和畸变对图像影响等问题，并给出了一些改进建议。

The main content reads as follows: Chapter 1 gives a survey on the three methods by which regular geometric modeling can be rended, including parametric curves/surfaces modeling method, algebraic curves/surfaces modeling method and subdivision. Moreover we introduce in greater detail about two means for subdivision which fit into two class: geometric subdivision and algebraic subdivision.

全文主要内容如下：第一章首先对CAGD中构造&规则几何形体&的三类造型方法：参数曲线、曲面造型方法，代数曲线、曲面造型方法及细分法——曲线、曲面的离散化造型方法，作了较系统的综述，并对两类主要的细分法——几何方法与代数方法，作了较详细的介绍。

The method based on blind number is a kind of discrete numerical calculation method, and the example unfurls its flexible fully and proves that this optimization method is reasonable and practicable.

基于盲数的方法是一种离散化的数值计算方法，算例充分展示了其灵活性，证明了该优化方法是合理的和实用的。

Firstly ,based on soil water conditions,water balance methods including the method of soil water balance and Zero Flux Plane areused ot simulate the soil water balance medel of the district researched ,and analyze the distribution of soil matric potentials and soil water content of different deep,then the models quantities are made discrete and Fortran programs are designed and implemented to calculate the crop water requirements.

首先，从土壤水分供水状况因素考虑，采用水量平衡方法，它包括大田水量平衡和零通量方法，模拟研究区大田水量平衡模型，分析研究区不同深度土壤水势和土壤含水量的分布。在此基础上，对平衡模型进行数值离散化，并通过 Fortran 语言编程计算作物需水量。

With that the random noise is filtered out.The change of the wavelength may lead to the drift of the non-exchange phase drift, so influence the stability of the scale factor, also it is known the temperature is the key factor that affect the wavelength of the light-source.

论文在详细分析各种噪声的基础上围绕提高陀螺稳定性和精度做了以下工作：在深入分析陀螺物理特性的基础上，通过试验确定了陀螺系统的传递函数，通过分析将传递函数离散化并应用于自适应滤波，主要是滤除随机噪声。

By using volume control method, the basic equations of axial laminar flow for power law fluids in eccentric annuli was seperated and sovled by ADI method.

利用控制体积法对幂律流体偏心环空轴向层流流动的基本方程进行了离散化处理，并用ADI方法进行了求解。

The analyzing method of NC code that coincides with the international ISO standards is studied. In terms of programming criterion of FANUC system, the dissertation proposes and realizes the theory of compiling and explaining NC code, verification methods of NC code, and interpolation algorithms of NC instruction in machining simulation process. And the NC cutter location information file is produced to drive NC machining simulation system.

研究了符合ISO 标准的NC 程序的分析处理方法，并具体针对FANUC数控系统的编程规范，研究了NC 程序的编译解释原理，提出了加工过程仿真中NC 程序检验方法，实现了NC 指令的插补离散化算法，生成了NC 坐标信息文件，以此作为驱动NC 加工仿真系统的数据源； 3。

A new viscous terms′ discretization in the frame-work of the finite volume method is used which has the advantages of less operation counts and full conservation.

粘性项的计算上采用了一种有限体积框架下新的离散化方法。

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。