| 1. | We make use of a mapping known as stereographic projection . 我们作一个称为球极平面射影的映射。 |
| 2. | The stereographic projection must be supplemented by other constructions . 赤平极射投影还要有其他的作图方法加以补充。 |
| 3. | Study on automatization of stereographic projection 赤平投影操作自动化初探 |
| 4. | Universal polar stereographic projection 通用极球面投影 |
| 5. | According to the mapping principle of stereographic projection , the combinatorial relationships of line and plane can be solved by use of mathematic analysis 摘要根据赤平投影的成图原理,利用数学解析的方法,可直接求解有关线与面的组合关系。 |
| 6. | The regional spectral model component is a primitive equation model on a stereographic projection and uses sine - cosine series as horizontal basis functions . the regional component predicts deviations from the forecasting of the global morjel component 区域部分的预报偏差来自全球模式部分的预报,在区域范围内,半隐式时间格式、时间滤波、初始化和水平扩散的应用都与偏差有关。 |
| 7. | The maximum likelihood registration algorithm based on earth - centered earth - fixed ( ecef ) coordinate system considers the geometry of the global , and eliminates errors introduced by the stereographic projection . the simulation result based on this registration algorithm shows that the satisfied angular biases can be preliminarily obtained . 5 基于地心坐标系的传感器极大似然配准算法考虑到了地球曲率的影响,克服了立体投影法的缺陷;采用这种算法,我们可以把不同传感器局域坐标系的量测转化到地心坐标系中,变成统一的量测,便于融合中心做进一步的处理;仿真结果表明这种算法可以得到较为满意的角度偏差。 |
| 8. | 2 . rock mass structure analysis and stereographic projection are basic methods in rock slope stability analysis . this paper used these methods to analyse the stability of the fourteen slopes based close geological investigation and engineering analogy , and get some scientific conclutions 2 、赤平投影法和岩体结构分析法是边坡岩体稳定性分析的基本方法,经过详细地质调查和工程类比,本文运用这些基本方法对沿线的14个高陡边坡进行了稳定性分析,得出了较为科学的结论。 |
| 9. | Stereographic projection mode will affect the hardware choices , the image quality and the final system cost ; multiple pcs are coordinated by the synchronization controls , these control techniques combine the outputs from different nodes to a correct and consistent virtual world . the paper will introduce the detailed design and implementation of our pc based immersive multi - projection system : pc - cave . the system is driven by four networked high performance pcs 立体影像生成模式的选择将影响硬件设备的选择、立体影像的质量以及系统的最终造价;以多台联网pc为基础的系统通过多层次的同步控制将协调各绘制节点的并行绘制,确保来自不同绘制节点输出影像所合成的最终虚拟世界的一致性、真实性以及正确的立体感。 |
| 10. | The geologic condition in mountainous district is complex variable , in different geologic , it is very difficult to find the most economically design scheme . stability of 14 high - cut slopes in guangdong province is analyzed with typical rock mass structure analysis method and stereographic projection method , and with the numerical simulation method udec this paper simulated the excavation and reinforcement courses of the important slopes . some conclutions and suggestions are based the analysis above 本文结合广东某省道沿线14个高陡岩石边坡的开挖和支护方案的选择设计,运用常用的岩体结构分析方法和赤平投影方法对边坡的稳定性进行了分析,采用udec数值模拟方法对一些重点边坡的开挖支护进行了模拟,得出了以下一些结论: 1 、边坡支护形式的选择应遵循“安全绿色、水土保持、恢复自然、环保之路”的设计原则。 |