| 1. | ( 2 ) on the research of the software ' s architecture of motion control , the high - speed and high - accuracy algorithm of interpolate for parameter curve is proposed , which is adaptive for speed ( 2 )研究了高速数控运动控制的软件结构,并应用二次插补策略,提出了一种基于参数曲线的进给速度自适应的高速高精插补算法。 |
| 2. | The approach includes ( 1 ) obtaining the cutter - location data based on parameter curves . ( 2 ) tessellation of the trim nurbs surfaces into triangles . ( 3 ) interference detection and tool - position correction 在曲面的参数线上规划刀位轨迹,将曲面用三角片离散逼近,利用刀具曲面与三角片的几何相关性进行干涉检查及刀位修正。 |
| 3. | Two layers vibration - isolating unit has been compared with single layer one , its delivering rate of force and a group of parameter curves have been obtained based on the characteristics of attenuation and stability 根据衰减和稳定特性,对单层和双层隔振系统作了分析比较,为双层隔振系统推导出传递率的一般方程,并求得一组影响传递率的各种参数曲线。 |
| 4. | From the simulation , we can get some parameter curves of landing gear . by analyzing these curves and the methods with two - masses model , the linear state equation of landing gear during landing process was established 基于参数曲线分析和二质量模型建立了起落架着陆的线性状态方程,应用现代控制理论对方程进行分析并结合matlab软件对其进行着陆动态仿真。 |
| 5. | In order to real - time displaying the parameters and the predicts result , developed the parameters curve displaying module and the black - and - white / colored seismic sections displaying module , which provide convenient conditions for the comparative choice of many kinds of parameters and outputting the result 为了实时显示参数及预测结果,相应开发了地震剖面及参数剖面的黑白彩色显示模块,为多种参数的比较选择及结果的输出创造了便利条件。 |
| 6. | The existed material fatigue performance test curves are dealt with and analyzed , and the non - dimensional stress - strain curve , tangent modulus factor curve and fatigue life curve are drawn based on the experiment data , and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent . it can be concluded that if the common character and system error of these materials are found , the test curve of a certain material can be used for reference by another material . this is a simple approach about fatigue life estimate and is engineering practical 对已有的材料力学疲劳性能试验曲线进行分析整理,利用试验数据绘制了相对应力应变曲线、切线模量因子曲线和疲劳寿命曲线,利用这三种无量纲参数曲线发现了其中存在的规律性,即在某种程度上实验曲线可以互相取代,并用试验数据对此进行了讨论,并由此推断,如果找出材料彼此的共性或彼此之间的系统误差就可以将一种材料的试验曲线供其它材料参考使用,这是一种估算材料的疲劳寿命的简便方法,对工程而言具有实用性。 |
| 7. | We put more attention on the study of 3d graphic rendering technology , such as shading model and ray tracing . shading model is compared of simple shading model and whole shading model . studied the radiosity and texture mapping , mainly about the parameter curve surface texture mapping , two steps texture mapping , environment texture mapping and mip - map mapping 研究了光照模型及光线跟踪技术,包括简单光照明模型、整体光照明模型;分析了辐射度方法及纹理映射技术,研究了纹理映射中参数曲面的纹理映射技术、两步法纹理映射、环境映射、 mip - map映射等映射技术。 |
| 8. | This paper summaries the researches on the new schemes of parameter curves and surfaces modeling - curves and surfaces modeling of trigonometric polynomial , which includes curves and surfaces of t - bezier , t - b - spline , tc - bezier and tc - b - spline . hc - b zier curves and surfaces are also discussed in the space of hyperbolic functions in the end 本文主要对参数曲线曲面造型的一种新方法? ?三角多项式曲线曲面进行了深入研究,其内容主要包括t - b zier曲线曲面、 t - b样条曲线曲面、 tc - b zier曲线曲面和tc - b样条曲线曲面。 |