DUAL BAND FREQUENCY SELECTIVE RADIATOR ARRAY

    公开(公告)号:US20210249771A1

    公开(公告)日:2021-08-12

    申请号:US16786881

    申请日:2020-02-10

    Abstract: A dual band frequency selective radiator array includes a high band radiator array disposed on a dielectric layer for transmitting and receiving high band radar signals; a low band radiator array disposed on a front side of the high band radiator array for transmitting and receiving low band radar signals; a frequency selective surface (FSS) tuned to the high band radar signals forming a surface of the low band radiator array and passes the high band radar signals to the high band radiator array; and a single aperture disposed in front of the low band radiator array, the high band radiator array and the FSS for both the low band radiator array and the high band radiator array for transmitting and receiving the radar signals.

    Dual band frequency selective radiator array

    公开(公告)号:US11600922B2

    公开(公告)日:2023-03-07

    申请号:US16786881

    申请日:2020-02-10

    Abstract: A dual band frequency selective radiator array includes a high band radiator array disposed on a dielectric layer for transmitting and receiving high band radar signals; a low band radiator array disposed on a front side of the high band radiator array for transmitting and receiving low band radar signals; a frequency selective surface (FSS) tuned to the high band radar signals forming a surface of the low band radiator array and passes the high band radar signals to the high band radiator array; and a single aperture disposed in front of the low band radiator array, the high band radiator array and the FSS for both the low band radiator array and the high band radiator array for transmitting and receiving the radar signals.

    SATELLITE-BASED PHASED ARRAY CALIBRATION
    4.
    发明申请
    SATELLITE-BASED PHASED ARRAY CALIBRATION 有权
    基于卫星的相位阵列校准

    公开(公告)号:US20160156100A1

    公开(公告)日:2016-06-02

    申请号:US14557803

    申请日:2014-12-02

    CPC classification number: H01Q3/267 H01Q1/288 H04B7/145 H04B17/12 H04B17/14

    Abstract: Methods and apparatus to calibrate an array by sequentially calibrating elements in a subarray with respect to each other using a satellite. The satellite is repeatedly illuminated for calibrating the elements using reference elements to determine plane fronts from which active elements can be calibrated with respect to each other.

    Abstract translation: 通过使用卫星相对于彼此依次校准子阵列中的元件来校准阵列的方法和装置。 使用参考元件重复照亮卫星以校准元件,以确定可以相对于彼此校准有源元件的平面。

    RX AND TX COHERENCE IN RADAR ANTENNA USING NEAR FIELD ANTENNA

    公开(公告)号:US20240219520A1

    公开(公告)日:2024-07-04

    申请号:US18149831

    申请日:2023-01-04

    CPC classification number: G01S7/4008 G01S7/4021

    Abstract: Method and system of calibrating and cohering at least one radar antenna in receive (RX) mode and transmit (TX) mode, comprising performing RX mode calibration on at least one radar antenna using radio frequency (RF) far field calibration source, determining RF phase ØRXn using RF far field calibration source for each at least one radar antenna, operating at least one radar antenna in RX mode with at least one near field antenna to determine plurality of RX mode phases in at least one radar antenna and at least one near field antenna, operating at least one radar antenna in TX mode with at least one near field antenna to determine plurality of TX mode phases in at least one radar antenna and at least one near field antenna, and deriving TX mode calibration phases as function of determined RX mode phases and determined TX mode calibration phases.

    Radar system using matched filter bank
    6.
    发明授权
    Radar system using matched filter bank 有权
    雷达系统采用匹配滤波器组

    公开(公告)号:US09194947B1

    公开(公告)日:2015-11-24

    申请号:US13665107

    申请日:2012-10-31

    Abstract: A radar receiver includes a bank of matched filters for use in processing return signals received from a remote target. In some embodiments, the radar receiver is capable of generating accurate estimates of target range and range rate based on returns from a single transmitted pulse having a low time-bandwidth product. In at least one embodiment, a computationally efficient interpolation technique is used to generate an estimate of an actual target Doppler frequency based on output signals of the bank of matched filters.

    Abstract translation: 雷达接收机包括一组匹配的过滤器,用于处理从远程目标接收的返回信号。 在一些实施例中,雷达接收机能够基于具有低时间带宽乘积的单个发送脉冲的返回来产生目标范围和范围速率的精确估计。 在至少一个实施例中,使用计算有效的内插技术来基于匹配滤波器组的输出信号产生实际目标多普勒频率的估计。

    Methods and apparatus for super-element phased array radiator
    7.
    发明授权
    Methods and apparatus for super-element phased array radiator 有权
    超级元件相控阵辐射器的方法和装置

    公开(公告)号:US08866686B1

    公开(公告)日:2014-10-21

    申请号:US13826926

    申请日:2013-03-14

    CPC classification number: H01P11/00 H01Q3/40 H01Q21/0043

    Abstract: Methods and apparatus for a super-element assembly including a dielectric subassembly having first and second conductive patch conductors extending a longitudinal axis of the super-element assembly, a ridged waveguide having a series of slots formed along its length. The super-element assembly provides a significant advance in the art in module reduction, production cost reduction, and enhanced scan angle response.

    Abstract translation: 一种用于超级元件组件的方法和装置,包括具有延伸超级元件组件的纵向轴线的第一和第二导电贴片导体的介电子组件,脊状波导具有沿其长度形成的一系列槽。 超级元件组件在模块减少,生产成本降低和增强的扫描角响应中提供了本领域的显着进步。

    Dual band dipole radiator array
    8.
    发明授权

    公开(公告)号:US11469520B2

    公开(公告)日:2022-10-11

    申请号:US16786880

    申请日:2020-02-10

    Abstract: A dual band dipole radiator array includes a high band radiator array disposed on a dielectric layer for transmitting and receiving high band radar signals; a low band radiator array disposed on a front side of the high band radiator array for transmitting and receiving low band radar signals; a foam material between the low band radiator array and the high band radiator array for support; and a single aperture for both the low band radiator array and the high band radiator array for transmitting and receiving the radar signals, where the low band radiator array is comprised of a plurality of dipole structures disposed within the foam material and tuned to pass through high band radar signals to or from the high band radiator array.

    Methods and apparatus for dual polarized super-element phased array radiator
    9.
    发明授权
    Methods and apparatus for dual polarized super-element phased array radiator 有权
    双极化超级元件相控阵辐射器的方法和装置

    公开(公告)号:US09379446B1

    公开(公告)日:2016-06-28

    申请号:US13875008

    申请日:2013-05-01

    Abstract: Methods and apparatus for a dual polarization super-element radiator assembly. In one embodiment, an assembly comprises a first waveguide, a series of slot couplers formed in the first waveguide, first and second conductive strips, a second waveguide adjacent to the first waveguide, a series of notches formed in a conductive material extending along or parallel to the longitudinal axis of the second waveguide, the notches having respective throats, a series of slots located proximate the notch throats, and a third conductive strip disposed over and aligned with the notches, wherein the slot couplers and the notches provide a dual polarization super-element radiator.

    Abstract translation: 双极化超级元件散热器组件的方法和装置。 在一个实施例中,组件包括第一波导,形成在第一波导中的一系列槽耦合器,第一和第二导电条,邻近第一波导的第二波导,沿着或平行延伸的导电材料形成的一系列凹口 相对于第二波导的纵向轴线,凹口具有各自的喉部,位于切口喉部附近的一系列狭槽,以及设置在凹口上方并与切口对准的第三导电条,其中狭缝耦合器和凹口提供双极化超声波 元件散热器

    Methods and apparatus for highly reliable signal distribution
    10.
    发明授权
    Methods and apparatus for highly reliable signal distribution 有权
    高可靠信号分配的方法和装置

    公开(公告)号:US09261587B1

    公开(公告)日:2016-02-16

    申请号:US13833554

    申请日:2013-03-15

    CPC classification number: G01S7/40 G01S7/03 G01S13/87

    Abstract: Methods and apparatus for providing a passive non-redundant signal distribution system including a passive combiner coupled to the first and second controlled signal sources to receive first and second signals, the combiner having an output, and a passive splitter coupled to the combiner output to provide reference signals to signal sinks, all to provide reliable dissemination of a reference signal despite failures of signal generation or distribution.

    Abstract translation: 一种用于提供无源非冗余信号分配系统的方法和装置,包括耦合到第一和第二受控信号源的无源组合器以接收第一和第二信号,组合器具有输出,以及耦合到组合器输出端的无源分离器,以提供 参考信号到信号汇,所有这些都可以提供参考信号的可靠传播,尽管信号发生或分配失败。

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