METHOD FOR ESTIMATION OF OCCLUSION IN A VIRTUAL ENVIRONMENT
    1.
    发明申请
    METHOD FOR ESTIMATION OF OCCLUSION IN A VIRTUAL ENVIRONMENT 有权
    在虚拟环境中估计信息的方法

    公开(公告)号:US20130321416A1

    公开(公告)日:2013-12-05

    申请号:US13985077

    申请日:2012-02-03

    IPC分类号: G06T17/10

    CPC分类号: G06T15/405 G06T1/60 G09G5/393

    摘要: A method for estimating occlusion in a virtual environment comprising at least two objects and observed from a viewpoint. Thereafter, a second item of information representative of the distance separating a second fragment of a second object from the viewpoint according to an observation direction is computed:, the second item of information is compared with a first item of information representative of the distance separating a first fragment of a first object from the viewpoint according to the observation direction and is stored in a first buffer memory. If the second item of information is less than the first item of information, then a third item of information representative of attributes associated with the second fragment is estimated, the second item of information is stored in a second buffer memory and the third item of information is stored in a third buffer memory. If the second item of information is greater than the first item of information, then the first item of information is stored in the second buffer memory.

    摘要翻译: 一种用于估计虚拟环境中的遮挡的方法,包括至少两个对象并且从视点观察。 此后,计算表示根据观察方向将第二物体的第二片段与视点分开的距离的第二项信息:将第二项信息与表示距离分离的第一信息项进行比较 根据观察方向从视点的第一对象的第一片段,并存储在第一缓冲存储器中。 如果第二项信息小于第一项信息,则估计表示与第二片段相关联的属性的第三项信息,将第二项信息存储在第二缓冲存储器中,并将第三项信息 存储在第三缓冲存储器中。 如果第二项信息大于第一项信息,则第一项信息被存储在第二缓冲存储器中。

    Focusing device comprising a Luneberg lens including a homogeneous volume of dielectric and method material for making such a lens
    2.
    发明授权
    Focusing device comprising a Luneberg lens including a homogeneous volume of dielectric and method material for making such a lens 失效
    聚焦装置包括包括用于制造这种透镜的均匀体积的电介质和方法材料的Luneberg透镜

    公开(公告)号:US06549340B1

    公开(公告)日:2003-04-15

    申请号:US09857092

    申请日:2001-08-22

    IPC分类号: G02B900

    CPC分类号: H01Q15/08 H01Q15/02

    摘要: The invention relates to a focusing device comprising a Luneberg lens comprising a homogeneous volume of dielectric. It is characterized in that the dielectric comprises a granular agglomerate defined by a homogeneous granule size distribution of thermoplastic granules, at least one plurality of these granules being welded together by granule boundaries in order to keep said volume consolidated. Particular application to lenses for the tracking of nongeostationary satellites, of at least one geostationary satellite, or for use in an MMDS system.

    摘要翻译: 本发明涉及一种包括Luneberg透镜的聚焦装置,其包括均匀体积的电介质。 其特征在于,电介质包括由均匀的颗粒尺寸分布的热塑性颗粒限定的颗粒附聚物,至少多个这些颗粒通过颗粒边界焊接在一起,以保持所述体积的固结。 用于跟踪非地理卫星,至少一个对地静止卫星或用于MMDS系统的镜头的特殊应用。

    Method for estimation of occlusion in a virtual environment
    4.
    发明授权
    Method for estimation of occlusion in a virtual environment 有权
    估计虚拟环境中遮挡的方法

    公开(公告)号:US09406165B2

    公开(公告)日:2016-08-02

    申请号:US13985077

    申请日:2012-02-03

    IPC分类号: G06T15/40 G06T1/60 G09G5/393

    CPC分类号: G06T15/405 G06T1/60 G09G5/393

    摘要: A method for estimating occlusion in a virtual environment comprising at least two objects and observed from a viewpoint. Thereafter, a second item of information representative of the distance separating a second fragment of a second object from the viewpoint according to an observation direction is computed; the second item of information is compared with a first item of information representative of the distance separating a first fragment of a first object from the viewpoint according to the observation direction and is stored in a first buffer memory. If the second item of information is less than the first item of information, then a third item of information representative of attributes associated with the second fragment is estimated, the second item of information is stored in a second buffer memory and the third item of information is stored in a third buffer memory. If the second item of information is greater than the first item of information, of then the first item of information is stored in the second buffer memory.

    摘要翻译: 一种用于估计虚拟环境中的遮挡的方法,包括至少两个对象并且从视点观察。 此后,计算表示根据观察方向将第二物体的第二片段与视点分开的距离的第二项信息; 将第二项信息与表示根据观察方向将第一物体的第一片段与视点分离的距离的信息的第一项进行比较,并存储在第一缓冲存储器中。 如果第二项信息小于第一项信息,则估计表示与第二片段相关联的属性的第三项信息,将第二项信息存储在第二缓冲存储器中,并将第三项信息 存储在第三缓冲存储器中。 如果第二项信息大于第一项信息,则第一项信息被存储在第二缓冲存储器中。

    Method for estimation of information representative of a pixel of a virtual object
    5.
    发明授权
    Method for estimation of information representative of a pixel of a virtual object 有权
    用于估计表示虚拟对象的像素的信息的方法

    公开(公告)号:US09390551B2

    公开(公告)日:2016-07-12

    申请号:US13994100

    申请日:2011-02-28

    IPC分类号: G06T15/04 G06T15/60 G06T15/80

    CPC分类号: G06T15/60 G06T15/04 G06T15/80

    摘要: The invention relates to a method for estimating information representative of a pixel of a virtual object. In order to improve the rendering while minimizing the required calculation time, the method comprises defining a first surface element associated with the pixel according to a direction of observation of the virtual object, the first surface element belonging to a representation of the virtual object according to a first level of detail; associating a second surface element with the first surface element, the second surface element being determined by intersection between the direction of observation and a first parametric surface representing the virtual object according to a second level of detail; estimating the information representative of the pixel according to the second surface element and information associated with the second surface element enabling the virtual object to be represented according to a third level of detail.

    摘要翻译: 本发明涉及一种用于估计表示虚拟对象的像素的信息的方法。 为了在最小化所需的计算时间的同时改进渲染,该方法包括根据虚拟对象的观察方向来定义与像素相关联的第一表面元素,第一表面元素属于虚拟对象的表示,根据 一级细节; 将第二表面元件与第一表面元件相关联,第二表面元件根据第二级细节由观察方向和表示虚拟物体的第一参数表面之间的交点确定; 根据第二表面元素估计表示像素的信息,以及根据第三级细节来表示虚拟对象的与第二表面元素相关联的信息。

    Device for the simultaneous reception/transmission of signals comprising a low-noise amplifier
    7.
    发明授权
    Device for the simultaneous reception/transmission of signals comprising a low-noise amplifier 有权
    用于同时接收/传输包括低噪声放大器的信号的装置

    公开(公告)号:US06512428B1

    公开(公告)日:2003-01-28

    申请号:US09696423

    申请日:2000-10-25

    IPC分类号: H03H738

    CPC分类号: H04B1/18 H04B1/52

    摘要: The invention comprises a low-noise amplifier of the type comprising a transistor exhibiting a saturation phase for signals of high amplitude. According to the invention, at the output of the amplifier is arranged a load impedance referring back to this output an optimal impedance for maximizing the power at the output of the transistor and an open circuit in the reception frequency band. Thus, the entire parasitic signal is “boxed in” by the load impedance. Particular application in the field of bidirectional transmissions, especially transmission systems linking a terminal comprising the device according to the invention with at least one satellite or a terrestrial base station.

    摘要翻译: 本发明包括一种低噪声放大器,其类型包括对于高幅度信号呈现饱和相位的晶体管。 根据本发明,在放大器的输出处布置有负载阻抗,该负载阻抗指向该输出端用于最大化晶体管的输出功率和接收频带中的开路的最佳阻抗。 因此,整个寄生信号由负载阻抗“盒装入”。 特别是在双向传输领域中的应用,特别是将包括根据本发明的设备的终端与至少一个卫星或地面基站相连的传输系统。

    Method for estimation of an item of information representative of height
    8.
    发明授权
    Method for estimation of an item of information representative of height 有权
    用于估计代表高度的信息项的方法

    公开(公告)号:US08878847B2

    公开(公告)日:2014-11-04

    申请号:US13443916

    申请日:2012-04-11

    IPC分类号: G06T15/40 G06T15/04

    CPC分类号: G06T15/04

    摘要: The invention relates to a method for estimation of information representative of a height. In order to minimize the required calculation time, the method comprises steps for: selection of a first point from among a plurality of points of a normal map, a normal being associated with each of the points of said plurality, a reference height being associated with said first point, estimation of a height difference between the first point and a second point of the normal map different from the first point according to the normal associated with the second point and the distance separating the first point from the second point in the normal map.

    摘要翻译: 本发明涉及一种用于估计代表高度的信息的方法。 为了最小化所需的计算时间,该方法包括以下步骤:从法线图的多个点中选择第一点,正常与所述多个点中的每个点相关联,参考高度与 所述第一点,根据与第二点相关联的法线和将第一点与法线贴图中的第二点分开的距离,估计与第一点不同的法线贴图的第一点与第二点之间的高度差 。

    Source-antennas for transmitting/receiving electromagnetic waves
    9.
    发明授权
    Source-antennas for transmitting/receiving electromagnetic waves 失效
    用于发送/接收电磁波的源天线

    公开(公告)号:US07369095B2

    公开(公告)日:2008-05-06

    申请号:US11034307

    申请日:2005-01-12

    IPC分类号: H01Q1/36 H01Q21/00

    摘要: The present invention relates to a source-antenna for transmitting/receiving electromagnetic waves comprising an array of n radiating elements (113, 114) operating in a first frequency band, means (20) with longitudinal radiation operating in a second frequency band, the array and the means with longitudinal radiation having a substantially common phase centre, the n radiating elements being arranged symmetrically about the longitudinal-radiation means, and each element (113, 114) of the array consisting of a radiating element of the travelling wave type.

    摘要翻译: 本发明涉及一种用于发送/接收电磁波的源天线,其包括在第一频带中工作的n个辐射元件(11,3,...,11)的阵列, 具有在第二频带中工作的纵向辐射的装置(20),所述阵列和具有基本上共同的相位中心的具有纵向辐射的装置,所述n个辐射元件围绕纵向辐射装置对称地布置,并且每个元件(11