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    • 3. 发明授权
    • Electrical apparatus
    • 电气设备
    • US06320551B1
    • 2001-11-20
    • US09530498
    • 2000-05-18
    • Balbir Kumar
    • Balbir Kumar
    • H01Q1906
    • H01Q3/44
    • A beam steerer for steering a microwave beam comprises a body of magnetic material having an aperture and magnetic coils for applying a gradient of magnetization across the aperture. Tapered slots extending from the magnetic coils towards a central region of the aperture are filled with a material having a lower magnetic permeability than the magnetic material of the body. Lower reluctance paths available through the central region of the aperture allow more magnetic flux from the magnetic coils to penetrate through the central region than would be the case in a body of uniform material composition.
    • 用于转向微波束的光束转向器包括具有孔径的磁性材料体和用于在孔径上施加磁化梯度的磁性线圈。 从磁性线圈延伸到孔的中心区域的锥形槽被填充有比本体的磁性材料低的磁导率的材料。 通过孔的中心区域可获得的较低磁阻路径允许来自磁性线圈的更多的磁通量穿过中心区域而不是均匀材料组成的体系。
    • 4. 发明授权
    • Radiation receiving apparatus
    • 辐射接收装置
    • US06400316B1
    • 2002-06-04
    • US09831554
    • 2001-08-13
    • Balbir Kumar
    • Balbir Kumar
    • H01Q2106
    • G01N22/00H04B7/10
    • A microwave receiving antenna system (30) is described which is used to determine an originating direction of microwave radiation. The system has a birefringement phase plate (34) which splits radiation incident on it into two components which undergo a differential phase delay as they pass through it. The amount of differential phase delay induced varies with angular position around the phase plate (34) from 0 at an angular position of 0° to &lgr; an angular position of 360°. By determining the differential phase delay (assuming a previously existing relationship) the originating direction of the radiation can be determined.
    • 描述了微波接收天线系统(30),其用于确定微波辐射的始发方向。 该系统具有双折射相位板(34),其将入射到其上的辐射分裂成两个分量,它们经过差分相位延迟。 引起的差分相位延迟的量随着相位板(34)周围的角位置从0°的角度位置变化到360°的角位置。 通过确定差分相位延迟(假设先前存在的关系)可以确定辐射的始发方向。
    • 5. 发明申请
    • Transponder
    • 转发器
    • US20080284568A1
    • 2008-11-20
    • US11547773
    • 2006-07-05
    • Balbir Kumar
    • Balbir Kumar
    • H04Q5/22
    • H01Q3/44G01S13/756
    • A transporter is provided for use in particular with microwave or millimetric wavelength electromagnetic radiation, and includes a retro-reflecting arrangement and a modulating arrangement, in which the modulating arrangement is operable, by a current-induced field, to apply a predetermined type of pattern of modulation to incident microwave or millimetric wavelength electromagnetic radiation passing therethrough, before and/or after the incident radiation is reflected by the retro-reflecting arrangement. When used in combination with an interrofator unit, a particular type or pattern of modulation applied by the transponder may be detected in order to extract information represented in the modulation.
    • 提供特别用于微波或毫米波长电磁辐射的运输机,并且包括逆反射装置和调制装置,其中调制装置可由电流感应场操作,以施加预定类型的图案 调制到入射的微波或毫米波长的电磁辐射通过其中,在入射辐射之前和/或之后由反射装置反射。 当与调谐器单元组合使用时,可以检测由应答器应用的特定类型或调制模式,以便提取在调制中表示的信息。
    • 6. 发明申请
    • DUAL-FEED ANTENNA.
    • 双馈天线
    • US20100321260A1
    • 2010-12-23
    • US10183066
    • 2002-06-24
    • Balbir Kumar
    • Balbir Kumar
    • H01Q3/02H01Q19/195H01Q1/00
    • G01S13/86F41G3/22G01S13/78
    • The present invention relates to a dual-feed antenna. The invention provides an antenna comprising first and second electromagnetic radiation paths which join to form a common third electromagnetic radiation path, wherein the first path is rotatable with respect to the second path. In this way, two antenna feeds can be directed independently of one another, whilst combining the electromagnetic radiation paths from the antenna feeds then allows a common set of components to be used in signal analysis or generation.
    • 双馈天线技术领域本发明涉及一种双馈天线。 本发明提供一种天线,其包括第一和第二电磁辐射路径,所述第一和第二电磁辐射路径连接以形成共同的第三电磁辐射路径,其中第一路径可相对于第二路径旋转。 以这种方式,可以彼此独立地引导两个天线馈电,同时组合来自天线馈电的电磁辐射路径然后允许在信号分析或生成中使用一组共同的组件。
    • 7. 发明授权
    • Dual-feed antenna
    • 双馈天线
    • US07876278B2
    • 2011-01-25
    • US10183066
    • 2002-06-24
    • Balbir Kumar
    • Balbir Kumar
    • H01Q19/00
    • G01S13/86F41G3/22G01S13/78
    • The present invention relates to a dual-feed antenna. The invention provides an antenna comprising first and second electromagnetic radiation paths which join to form a common third electromagnetic radiation path, wherein the first path is rotatable with respect to the second path. In this way, two antenna feeds can be directed independently of one another, whilst combining the electromagnetic radiation paths from the antenna feeds then allows a common set of components to be used in signal analysis or generation.
    • 双馈天线技术领域本发明涉及一种双馈天线。 本发明提供一种天线,其包括第一和第二电磁辐射路径,所述第一和第二电磁辐射路径连接以形成共同的第三电磁辐射路径,其中第一路径可相对于第二路径旋转。 以这种方式,可以彼此独立地引导两个天线馈电,同时组合来自天线馈源的电磁辐射路径,然后允许在信号分析或生成中使用一组共同的组件。
    • 8. 发明授权
    • Spatial interferometry
    • 空间干涉测量
    • US06188481B1
    • 2001-02-13
    • US09202947
    • 1999-04-16
    • Balbir Kumar
    • Balbir Kumar
    • G01B902
    • G01S3/782G01S3/32G01S3/48G01S13/4409G01S13/4454
    • An interferometer comprises a non-uniform beam splitter (34) which splits an incoming beam (30) of energy into two beams (36, 38). The two beams (36, 38) are taken from parts of the incoming beam (30) which overlap. The two beams (36, 38) are fed spacially separated energy feeds (44, 46) and then fed to a comparator to produce sum and difference channels (54, 58). The sum and difference channels (54, 58) are guided to a means for detecting a difference in phase (60) between the sum and difference channels (54, 58).
    • 干涉仪包括将能量的入射光束(30)分成两束(36,38)的非均匀分束器(34)。 两束(36,38)从重叠的进入梁(30)的部分中取出。 两个光束(36,38)被馈送空间分离的能量馈送(44,46),然后被馈送到比较器以产生和和差信道(54,58)。 和差和通道(54,58)被引导到用于检测和和通道(54,58)之间的相位差(60)的装置。