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    • 3. 发明公开
    • Wideband beam forming device, wideband beam steering device and corresponding methods
    • Breitbandstrahlformungsvorrichtung,Breitbandstrahllenkvorrichtung undzugehörigeVerfahren
    • EP2541679A1
    • 2013-01-02
    • EP12171627.8
    • 2012-06-12
    • Sony Corporation
    • Wang, QiStirling-Gallacher, RichardBoehnke, Ralf
    • H01Q3/22G01S7/40G01S13/34
    • H01Q3/22G01S13/0209G01S13/26G01S13/34G01S13/887G01S13/89
    • The present invention relates to a beam forming device and method as well as to a beam steering device and method, e.g. for use in an active imaging device for imaging a scene. To enable the use for wideband digital beam forming and to provide a high accuracy imaging beam forming device is proposed comprising a wideband transmit unit (10) comprising at least one transmit antenna (15) that transmit radiation towards a scene (5), wherein the frequency of the transmit signal is changing with time in a deterministic way within a wideband frequency range, a receiver unit (20) comprising at least two receive antennas (25) and at least one receive element (21, 22) that receive radiation from said scene (5) and that generate receive signals from said received radiation, and a beam forming unit (30) that performs beam forming to form a receive beam and obtain beam formed output signals from said receive signals by use of beam forming weights, wherein for different samples or groups of subsequent samples of a receive signal, a sample representing said receive signal at a different frequency, a frequency-dependent weight is used for beam forming, which frequency-dependent weights are adapted to result in a predetermined shape of said receive beam.
    • 波束形成装置和方法技术领域本发明涉及波束形成装置和方法以及波束转向装置和方法,例如。 用于用于对场景成像的主动成像装置。 提出了能够用于宽带数字波束形成和提供高精度成像波束形成装置,其包括宽带发射单元(10),其包括向场景(5)发射辐射的至少一个发射天线(15),其中, 发射信号的频率随着时间在宽带频率范围内以确定性的方式随时间变化,接收机单元(20)包括至少两个接收天线(25)和至少一个接收元件(21,22),接收单元接收来自所述 场景(5),并且从所述接收的辐射产生接收信号;以及波束形成单元(30),其执行波束形成以形成接收波束并且通过使用波束形成权重从所述接收信号获得波束形成的输出信号,其中, 接收信号的不同样本或后续样本组,代表不同频率的所述接收信号的样本,频率相关权重用于波束形成,频率依赖 nt权重适于导致所述接收波束的预定形状。
    • 4. 发明公开
    • Beam forming device and method
    • Strahlenformungsvorrichtung und -verfahren
    • EP2527871A1
    • 2012-11-28
    • EP12168078.9
    • 2012-05-15
    • Sony Corporation
    • Stirling-Gallacher, RichardWang, QiBoehnke, Ralf
    • G01S13/89H01Q21/06
    • G01S13/89G01S13/003G01S13/06G01S13/42G01S13/885G01S13/887G01S13/888H01Q3/24H01Q3/26H01Q3/2605H01Q3/34
    • The present invention relates to a beam forming device, comprising a transmit unit (110) comprising at least two transmit elements (111) that transmit radiation towards a scene (2), a receiver unit (120) comprising at least two receive elements (121) that receive radiation from said scene (1) and that generate receive signals from said received radiation, and a beam forming unit (130) that performs beam forming to obtain beam formed output signals from said receive signals by use of beam forming weights, wherein said beam forming weights are adapted to a distance between the scene and one or more transmit elements and/or receive elements, said distance being indicated by a distance indicator, and wherein said beam forming weights are changed if said distance changes.
    • 波束形成装置技术领域本发明涉及一种波束形成装置,包括:发射单元(110),包括至少两个向场景(2)发射辐射的发射元件(111);接收器单元(120),包括至少两个接收元件 ),其从所述场景(1)接收辐射并且从所述接收到的辐射产生接收信号;以及波束形成单元(130),其执行波束成形以通过使用波束形成权重从所述接收信号获得波束形成的输出信号,其中 所述波束形成权重适于场景与一个或多个发射元件和/或接收元件之间的距离,所述距离由距离指示器指示,并且其中如果所述距离改变,则所述波束形成权重改变。