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1. 发明授权

US07403856B2 Method and system for processing and analyzing Digital Terrain Data 有权
标题翻译：数字地形数据处理和分析方法与系统
公开(公告)号：US07403856B2
公开(公告)日：2008-07-22
申请号：US10536937
申请日：2003-12-19
申请人： Yigal Moscovitz , Sergey Vichic , Michal Attia , Rami Ben-Ari
发明人： Yigal Moscovitz , Sergey Vichic , Michal Attia , Rami Ben-Ari
IPC分类号： F41G7/34
CPC分类号： G01C21/005
摘要： A method for processing and analyzing digital terrain data utilizing Digital Terrain Elevation Data (DTED). The method comprises defining approach azimuth and visibility limitations angle which are used for defining directional fans by determining fan opening angle, fan azimuth, and maximal range for terrain analysis. At least one directional fan data set is constructed from at least one source point within the DTED, where the directional fan includes line of sight information between said source point and DTED points located within said directional fan. The method further comprises interrogating said data sets by one or more queries to obtain terrain information for given approach conditions.
摘要翻译：一种使用数字地形高程数据（DTED）处理和分析数字地形数据的方法。该方法包括通过确定用于地形分析的风扇开度角，风扇方位角和最大范围来定义用于定义定向风扇的进近方位和可见度限制角。至少一个定向风扇数据组由D D D内的至少一个源点构成，其中定向风扇包括位于所述定向风扇内的所述源点和DTED点之间的视线信息。该方法还包括通过一个或多个查询询问所述数据集，以获得用于给定接近条件的地形信息。

2. 发明申请

US20060184327A1 Method and system for processing and analyzing digital terrain data 有权
标题翻译：数字地形数据处理和分析方法及系统
公开(公告)号：US20060184327A1
公开(公告)日：2006-08-17
申请号：US10536937
申请日：2003-12-19
申请人： Yigal Moscovitz , Sergey Vichic , Michel Attia , Rami Ben-Ari
发明人： Yigal Moscovitz , Sergey Vichic , Michel Attia , Rami Ben-Ari
IPC分类号： G06F19/00
CPC分类号： G01C21/005
摘要： A method for processing and analyzing digital terrain data utilizing Digital Terrain Elevation Data (DTED). The method comprises defining approach azimuth and visibility limitations angle which are used for defining directional fans by determining fan opening angle, fan azimuth, and maximal range for terrain analysis. At least one directional fan data set is constructed from at least one source point within the DTED, where the directional fan includes line of sight information between said source point and DTED points located within said directional fan. The method further comprises interrogating said data sets by one or more queries to obtain terrain information for given approach conditions.
摘要翻译：一种使用数字地形高程数据（DTED）处理和分析数字地形数据的方法。该方法包括通过确定用于地形分析的风扇开度角，风扇方位角和最大范围来定义用于定义定向风扇的进近方位和可见度限制角。至少一个定向风扇数据组由D D D内的至少一个源点构成，其中定向风扇包括位于所述定向风扇内的所述源点和DTED点之间的视线信息。该方法还包括通过一个或多个查询询问所述数据集，以获得用于给定接近条件的地形信息。

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