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The filtering characteristic of birefringent filter was studied.

拟合了晶体的温度系数,得到了连续的温度系数值。

To this end, the ultrasound cardiograph is filtered and fuzzily boundary enhanced, a threshold is set to obtain a binary image, then the heart's boundary is got through ellipse curve fitting, cubic spline interpretation and smoothing.

首先对超声心动图像进行滤波以消除图像中的噪声,并运用模糊数学理论进行模糊边缘增强,提取超声心动图像的内外膜边缘信息;接著对超声心动图像作二值化处理和椭圆曲线拟合,初步得到心脏的内外膜边缘;再采用相应的三次样条插值和平滑技术,得到光滑、连续的心脏内外膜边缘。

The development process of the finite element method is introduced briefly,and the theoretic fundamentals of the quasi conforming element method is analyzed from generalized equilibrium equations,generalized compatibility equations and its weak continuity condition.

简述有限元的发展过程,从广义平衡方程、广义协调方程和拟协调元弱连续条件等方面分析了拟协调元的理论基础,说明了拟协调元是有限元发展的必然趋势,其做法就是广义协调方程的直接解,自然满足平衡对弱连续条件的要求。

A continuous temperature field was created in lens by fitting discrete node temperatures obtained from the finite element thermal analysis.

该方案通过拟合有限元热分析得到离散节点温度,在透镜中建立连续的温度场。

Results indicated that Hoolock gibbons tended to inhabit eastern slopes E(subscript i= 0.344 as they were relatively windproof. They also favoured the tree species Querucus acutissima E(subscript i=0.455 and Eurya pseudocerasifera E(subscript i=0.068 for their large crown, as they provide more continual movement routes and large spaces for the gibbons, compared with other plant species.

定性因子分析表明,白眉长臂猿偏爱在东坡E(下标 i=0.344活动,可能与其能提供避风的温暖微生境有关;偏爱栓皮栋E(下标 i=0.455和拟樱叶柃E(下标 i=0.068等乔木,可能是由于这些树种的树冠面积大,可为白眉长臂猿提供连续的移动路线和大的活动空间。

Digital image process technique is used in pantographic faults monitoring, and a new algorithm named window-edge tracking is proposed in this paper. Based on the binary image of edges which is detected by Canny operator, a window in proper size is set to track the discontinuous edges to estimate the position of the lost edges. With this method continuous edges will be obtained, and continuous and smooth edges will be got after least-squares curve-fitting.

中文摘要:将数字图像处理技术应用于受电弓故障监测,提出一种新型的窗口边缘跟踪算法,在采用Canny算子计算出边缘二值图的基础上,设置适当大小的窗口对初始不连续边缘进行遍历,估计断点处边缘点位置获得连续边缘,并采用最小二乘法拟和出连续平滑的曲线函数。

Regarded the rail as a continual Euler-Bernoulli beam in Winkler ground,the train-track-roadbed model is established,with the consideration of pseudo-static load of train and dynamic contact force between wheel and rail.

4视钢轨为Winkler地基上连续的Euler-Bernoulli梁,建立了列车-轨道-路基模型,同时考虑列车荷载的拟静力和轮轨动态接触力。

Moreover, we proposed a flow diagram of the quasi-continuous heat recovery system containing a solid-gas heat pump, and a global mathematical model of the system. This model can be used for determination of the operation conditions. Under the optimized cycle, the recovery efficiency can reach 121W/kg.

在此基础上,提出一个拟连续回热型气-固化学热泵制冷系统流程,并建立全系统数学模型,用最优化方法确定系统的最优操作条件,在最优循环周期下,可获制冷功率121W/kg。

Furthermore, an off-trap strategy of quasi-human approach is put forward in order to avoid frequently jumping into local minimum during the quasi-physical computation.

为求解蛋白质结构预测问题提出了三维欧氏空间连续模型,并为由此形成的数学问题找到了相应的物理模型,应用拟物的方法对其进行求解。

On the basis of analyzing the theory of the modeling of the propeller surface, this paper transforms the section data given by design to the data in Descartes coordinates. Interpolates the section data to get enough data and fits the blade surface with the least square method. A perfect C2 blade surface can be obtained by adjusting the deviation weight and fairing weight. According to the cylinder rough, two rough cut methods are preferred.

本论文在深入分析螺旋桨曲面成型原理的基础上,将设计时给定的桨叶曲面的切面数据转化为笛卡尔坐标系中的坐标,利用B样条方法对截面数据点插值并加密,得到足够的数据点,进而利用最小二乘法拟合出桨叶曲面,通过调整偏离权和光顺权得到了理想的二阶连续的桨叶曲面。

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推荐网络例句

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷

Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.

Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。