Reduced height monopole/slot antenna with offset stripline and
capacitively loaded slot
    3.
    发明授权
    Reduced height monopole/slot antenna with offset stripline and capacitively loaded slot 失效
    降低高度单极/缝隙天线,带偏置带状线和电容式插槽

    公开(公告)号:US4587524A

    公开(公告)日:1986-05-06

    申请号:US569265

    申请日:1984-01-09

    申请人: Edward A. Hall

    发明人: Edward A. Hall

    IPC分类号: H01Q9/38 H01Q13/18 H01Q21/29

    CPC分类号: H01Q13/18 H01Q21/29 H01Q9/38

    摘要: A reduced height monopole/slot antenna having generally parallel spaced ground planes, the upper one of which has a slot therein, a stripline located between the ground planes, and a monopole extending from the stripline through said slot generally orthogonally through the upper ground plane and being top hat loaded at the outer end thereof. The stripline is offset toward the slotted ground plane, and the slot is capacitively loaded with capacitance connected across the narrow dimension of the slot.

    摘要翻译: 降低的高度单极/缝隙天线具有大致平行间隔的接地平面,其上部具有槽,其中位于接地平面之间的带状线,以及从带状线延伸通过所述槽的单极子,大体上正交地穿过上接地平面, 在其外端装有顶帽。 带状线偏移到开槽的接地平面,并且槽被电容负载,电容连接在狭槽的窄尺寸上。

    Monopole/crossed slot single antenna direction finding system
    4.
    发明授权
    Monopole/crossed slot single antenna direction finding system 失效
    单极/十字槽单天线测向系统

    公开(公告)号:US5402132A

    公开(公告)日:1995-03-28

    申请号:US289493

    申请日:1994-08-12

    CPC分类号: G01S3/06 H01Q21/29

    摘要: A direction finding system utilizing a single monopole/crossed slot antenna in combination with associated electronic circuitry. Each of the four ports of the antenna are connected to amplitude varying elements whose outputs are combined by a power combiner. A microcontroller stores the signal. The microcontroller also generates the signals which control the amplitude variation supplied by each of the amplitude varying elements. Two configurations of the amplitude varying elements are provided by predetermined settings within the microcontroller. The two settings are selected to configure the antenna on two distinct reception patterns, each with a predetermined angular offset from a reference direction. In operation the antenna will be configured for a first reception pattern. The signals received will be detected, quantified, and stored by the microcontroller which subsequently reconfigures the antenna for a second reception pattern. A second signal is received by the antenna in the second configuration and again is detected, quantified, and stored by the microcontroller. The microcontroller determines the difference between the two signals and, based upon a predetermined calibration curve relating differences in the stored signals to the angle of arrival of the signals from the reference direction, determines the angle from which the signal arrived.

    摘要翻译: 一种利用单个单极/交叉缝隙天线结合相关电子电路的方向发现系统。 天线的四个端口中的每一个连接到振幅变化元件,其输出由功率组合器组合。 微控制器存储信号。 微控制器还产生控制由每个幅度变化元件提供的振幅变化的信号。 通过微控制器内的预定设置提供幅度变化元件的两种配置。 选择两个设置以在两个不同的接收模式上配置天线,每个具有与参考方向的预定角度偏移。 在操作中,天线将被配置为第一接收模式。 接收到的信号将被微控制器检测,量化和存储,微控制器随后将天线重新配置为第二接收模式。 第二信号由第二配置中的天线接收,并由微控制器再次检测,量化并存储。 微控制器确定两个信号之间的差异,并且基于将存储的信号中的差异与来自参考方向的信号的到达角相关联的预定校准曲线确定信号到达的角度。

    Antenna system having a plurality of fundamental resonances
    5.
    发明授权
    Antenna system having a plurality of fundamental resonances 失效
    具有多个基本谐振的天线系统

    公开(公告)号:US5798736A

    公开(公告)日:1998-08-25

    申请号:US412070

    申请日:1995-03-28

    申请人: Edward A. Hall

    发明人: Edward A. Hall

    摘要: An antenna which is adapted to have multiple fundamental resonances includes an outer conductor electrically connected to a feed network and having a generally tubular portion opening through one end to define an internal cavity therein. The antenna also includes an interior conductor electrically connected at a first end to a portion of the outer conductor within the internal cavity. The interior conductor extends through the opening defined in the outer conductor to a second end to thereby define an extended conductor portion which extends beyond the outer conductor. The antenna also includes decoupling means for electrically decoupling the extended conductor portion of the interior conductor from the antenna for signals having frequencies within the upper frequency band. In one embodiment, the internal conductor portion has a predetermined electrical length equal to an odd multiple of a quarter wavelength of a signal having a frequency in the upper frequency band of the antenna. Thus, the extended conductor portion is effectively electrically decoupled from the antenna for signals having frequencies within the upper frequency band.

    摘要翻译: 适于具有多个基本谐振的天线包括电连接到馈电网络并具有通过一端开口以在其中限定内部空腔的大致管状部分的外部导体。 天线还包括内部导体,其在第一端部电连接到内部空腔内的外部导体的一部分。 内部导体延伸穿过限定在外部导体中的开口延伸到第二端,从而限定延伸超出外部导体的延伸的导体部分。 天线还包括去耦装置,用于将内部导体的延伸的导体部分与天线电耦合,以用于具有在较高频带内的频率的信号。 在一个实施例中,内部导体部分具有等于具有在天线的较高频带中的频率的信号的四分之一波长的奇数倍的预定电长度。 因此,对于具有在上述频带内的频率的信号,扩展的导体部分与天线有效地电去耦合。

    Reduced height monopole/crossed slot antenna
    6.
    发明授权
    Reduced height monopole/crossed slot antenna 失效
    降低高度单极/交叉缝隙天线

    公开(公告)号:US4684953A

    公开(公告)日:1987-08-04

    申请号:US712157

    申请日:1985-03-15

    申请人: Edward A. Hall

    发明人: Edward A. Hall

    CPC分类号: H01Q13/18 H01Q21/29 H01Q9/38

    摘要: A reduced height monopole/crossed slot antenna having generally parallel spaced ground planes, the upper one of which has a capacitively loaded slot therein formed by crossed slot portions. A stripline is located between the ground planes offset toward the upper ground plane, and is formed by crossed stripline portions. A monopole extends from the intersection of the crossed stripline portions through the intersection of the crossed slot portions orthogonally to the upper ground plane, and is top hat loaded at the outer end thereof. The stripline is fed at selective ends thereof.

    摘要翻译: 具有大致平行的间隔开的接地平面的减小高度的单极/交叉缝隙天线,其上部具有由交叉的狭槽部分形成的电容负载的槽。 带状线位于朝向上接地平面偏移的接地平面之间,并且由交叉的带状线部分形成。 单极子从交叉的带状线部分的交叉点延伸穿过交叉的狭槽部分与正面接地平面的交叉,并且在其外端装有顶帽。 带状线在其选择端进料。

    Dual frequency microstrip patch antenna with capacitively coupled feed
pins
    7.
    发明授权
    Dual frequency microstrip patch antenna with capacitively coupled feed pins 失效
    具有电容耦合馈电引脚的双频微带贴片天线

    公开(公告)号:US5003318A

    公开(公告)日:1991-03-26

    申请号:US261262

    申请日:1988-10-24

    摘要: A dual frequency stacked microstrip patch antenna is comprised of a pair of circular radiating patches separated by a layer of dielectric, the two upper patches being further separated by another layer of dielectric from a pair of separated ground planes. A modal shorting pin extends between the patches and ground planes, and the patches are fed through a pair of feed pins by a backward wave feed network. A pair of modified shape feed through holes in the lower patch through which the feed pins pass result in an extended bandwidth.

    摘要翻译: 双频堆叠微带贴片天线由一对由一层电介质隔开的圆形辐射片构成,两个上片被另一层电介质从一对分离的接地层分隔开。 模式短路销在贴片和接地平面之间延伸,并且贴片通过反向馈波网络馈送通过一对馈电引脚。 通过进给销通过的下部补片中的一对改进形状的进给通孔导致扩展的带宽。

    Microstrip patch antenna with omni-directional radiation pattern
    8.
    发明授权
    Microstrip patch antenna with omni-directional radiation pattern 失效
    带全向辐射图案的微带贴片天线

    公开(公告)号:US4922259A

    公开(公告)日:1990-05-01

    申请号:US152245

    申请日:1988-02-04

    IPC分类号: H01Q9/04 H01Q21/24

    CPC分类号: H01Q21/24 H01Q9/045

    摘要: A microstrap patch antenna with a substantially omni-directional radiation pattern includes an upper hemisphere microstrip patch radiator working against a ground plane and a lower hemisphere microstrip patch radiator working against a ground plane, the ground planes being oriented in close proximity and spaced apart from each other. One of the radiators is excited in left hand circular polarization and the other in right hand circular polarization such that their fields add constructively across their ground planes to achieve an omni-directional radiation pattern.

    摘要翻译: 具有基本上全向辐射图案的微带贴片天线包括靠着接地平面工作的上半球微带贴片辐射器和对接地平面进行加工的下半球微带贴片辐射器,接地平面定位成紧密接近且与每个辐射线间隔开 其他。 其中一个辐射器在左旋圆偏振中激发,另一个在右旋圆极化中,使得它们的场在其接地平面上建设性地增加以实现全向辐射图。

    Dual frequency microstrip patch antenna with improved feed and increased
bandwidth
    9.
    发明授权
    Dual frequency microstrip patch antenna with improved feed and increased bandwidth 失效
    双频微带贴片天线,具有改进的馈送和增加的带宽

    公开(公告)号:US4827271A

    公开(公告)日:1989-05-02

    申请号:US934478

    申请日:1986-11-24

    摘要: A dual frequency stacked microstrip patch antenna is comprised of a pair of circular radiating patches separated by a layer of dielectric, the two upper patches being further separated by another layer of dielectric from a pair of separated ground planes. A modal shorting pin extends between the patches and ground planes, and the patches are fed through a pair of feed pins by a backward wave feed network. A pair of pear-shaped holes in the lower patch through which the feed pins pass balance the impedance between the patches and result in an extended bandwidth.

    摘要翻译: 双频堆叠微带贴片天线由一对由一层电介质隔开的圆形辐射片构成,两个上片被另一层电介质从一对分离的接地层分隔开。 模式短路销在贴片和接地平面之间延伸,并且贴片通过反向馈波网络馈送通过一对馈电引脚。 下一个补片中的一对梨形孔通过其进给销通过,从而平衡了补丁之间的阻抗,并产生了扩展的带宽。