高程数据 meaning in English
altimetric data
altitude figures
Examples
- The new positioning system which employs three geostationary satellites emitting radio signals to users just like the gps satellites do , and allows the users receiver to solve position based on the received radio signal as well as the reading of electronic map , the drawbacks of double - star navigation system are overcome
三颗同步导航卫星像gps卫星那样向用户播发导航电文,用户接收机根据这些导航电文信息以及电子地图高程数据,像gps接收机那样解算用户位置,从而克服了双星定位的两大缺陷。 - On the premise that the basal transducer layout was designed according to the requirements of deep - sea exploring surroundings and technology on the basis of the hardware structure and data collecting ways of interferometric sonar , the echo signal by energy relativity search is analyzed and calculated , altitude data of the tiny terrain on the seabed under real - time irradiation of ultrasonic is gained as to provide parameters of best cutting depth for intellectualization of the seabed mining vehicle timely and promptly
摘要在相干声纳硬件结构及数据采集方式的基础上，结合具体的深海钴结壳探测环境和技术要求，确定了换能器基本布局，探讨了信号采集与处理方法，利用能量相关搜索法对回波信号进行分析和计算，得出超声波实时照射下的海底表面微地形高程数据，为海底采矿车智能化开采提供实时、快速的最佳切削深度参数。 - The elevation of the contour line and the density of rock will be get from the digital maps ( now there are many digital maps ) . basing on it , we can get the elevation of grid by interpolation and calculate the vertical inclination
在数字地形图和数字岩石密度分布图(有相当数量的数字图已建成)的基础上，利用gis技术对数字化地形图的等高线和岩石密度数据进行提取，自动获取大量的分块高程数据和岩石密度数据，在此基础上，对格网的顶点采取等高线内插的方法提取出它们的高程，并计算出垂线偏差。 - The authors use a ultrasonic transducer emit ultrasonic to simulated seabed tiny terrain , then analyze and calculate the relativity of amplitude according to the time , phase and amplitude etc included in echo signal and making using of the relativity of amplitude characteristics , at last gain the real - time altitude data of tiny terrain for deep - sea cobalt crusts mining in order to provide the parameter of best cutting depth for the intellectualized mining of excavating head
摘要通过超声波换能器向模拟海底微地形发射超声波，根据回波信号包含的时间、相位和幅度等信息，利用幅度特征相关性进行分析和计算，得出深海钴结壳开采所需要的实时微地形高程数据，为采掘头智能化开采提供最佳切削深度参数。 - In our framework , the multi - resolution models for terrain texture data and geometry data are matched with each other to achieve the goal of real time rendering . in chapter 1 , we introduce some backgrounds and application domains of the real - time terrain rendering . meanwhile , we summarize some typical methods in recent publications , and enumerate and discuss the research works about terrain rendering in recent years
另外，随着遥感技术，卫星技术的发展，使得获得高分辨率的数字几何高程数据以及影像纹理数据成为可能，人们希望观察更广范围更为精细的地形，在许多应用中，地形数据集太大而无法全部容于内存之中，可以称之为海量( outofcore ) ，这就对地形的实时绘制提出了更高的要求。