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1. 发明授权

US5253188A Built-in system for antenna calibration, performance monitoring and fault isolation of phased array antenna using signal injections and RF switches 失效
标题翻译：内置天线校准系统，使用信号注入和RF开关的相控阵天线的性能监测和故障隔离
公开(公告)号：US5253188A
公开(公告)日：1993-10-12
申请号：US688651
申请日：1991-04-19
申请人： Kuan M. Lee , Ruey S. Chu , Sien-Chang C. Liu
发明人： Kuan M. Lee , Ruey S. Chu , Sien-Chang C. Liu
IPC分类号： G01R29/10 , G01R31/00 , G01S7/40 , H01Q3/26 , H01Q3/30 , G01R35/00
CPC分类号： H01Q3/267
摘要： An apparatus for testing a microwave phased array antenna having a plurality of radiating elements includes a transmission line for signal injection and switching components to selectively establish signal paths from a transmitter, and through a plurality of transmit/receive modules, to a performance monitor. In accordance with the present invention the switching components can be set to establish a receive signal path through the apparatus to test the receive mode of the individual modules. Alternatively, the switching components can be set to establish a transmit signal path through the apparatus to test the transmit mode of the individual modules. Further, the switching components can be set to selectively establish a receive signal path or a transmit signal path through either isolated individual modules or through all modules simultaneously. The system monitor then tests the signals which pass through the modules on the receive signal path and the transmit signal path to determine the operational status of the module and the phased array antenna.

2. 发明授权

US5874915A Wideband cylindrical UHF array 失效
标题翻译：宽带圆柱形UHF阵列
公开(公告)号：US5874915A
公开(公告)日：1999-02-23
申请号：US907569
申请日：1997-08-08
申请人： Jar J. Lee , Ruey S. Chu , Kenneth L. Schaffer
发明人： Jar J. Lee , Ruey S. Chu , Kenneth L. Schaffer
IPC分类号： H01Q3/24 , H01Q21/06 , H01Q21/20 , H01Q3/22
CPC分类号： H01Q3/242 , H01Q21/067 , H01Q21/205 , H01Q3/247
摘要： A wideband electronically scanned cylindrical array includes an array of end-fire radiating elements, the elements arranged in a first plurality of columns, the columns arranged radially about a center axis of the array. A beamforming network is connected to the array of radiating elements. The beamforming network includes a power divider circuit for dividing an input RF drive signal into a second plurality of drive signals, and a matrix of electronically controlled transfer switches. A true time delay network comprising a third plurality of delay lines couples respective ones of the drive signals to the matrix of transfer switches. A third plurality of transmit amplifiers is coupled to the matrix of transfer switches, each amplifier for amplifying a respective one of the drive signals. The beamforming network further includes apparatus for coupling the amplified drive signals to selected ones of the columns of radiating elements. A beamforming controller is connected to the coupling apparatus and the matrix of transfer switches for selecting sectors of the columns of radiating elements to be driven by the drive signals to form a desired beam. The columns of radiating elements are arranged in a circularly symmetric fashion about the axis in the disclosed embodiment.
摘要翻译：宽带电子扫描的圆柱形阵列包括端射辐射元件的阵列，所述阵列布置在第一多个列中，所述列围绕阵列的中心轴径向排列。波束成形网络连接到辐射元件阵列。波束成形网络包括用于将输入RF驱动信号分成第二多个驱动信号的功率分配器电路和电子控制的转换开关的矩阵。包括第三多个延迟线的真实时间延迟网络将相应的驱动信号耦合到传送开关的矩阵。第三多个发射放大器耦合到转换开关的矩阵，每个放大器用于放大相应的一个驱动信号。波束形成网络还包括用于将放大的驱动信号耦合到选定的辐射元件列的装置。波束成形控制器连接到耦合装置和转移开关矩阵，用于选择由驱动信号驱动的辐射元件的列的扇区以形成期望的波束。在所公开的实施例中，辐射元件的列以关于轴的圆对称方式布置。

3. 发明授权

US4623894A Interleaved waveguide and dipole dual band array antenna 失效
标题翻译：交错波导和偶极双频阵列天线
公开(公告)号：US4623894A
公开(公告)日：1986-11-18
申请号：US623857
申请日：1984-06-22
申请人： Kuan M. Lee , Ruey S. Chu , Nam S. Wong , James U. Clark , Raymond Tang
发明人： Kuan M. Lee , Ruey S. Chu , Nam S. Wong , James U. Clark , Raymond Tang
IPC分类号： H01Q5/00 , H01Q5/42 , H01Q9/06 , H01Q21/06 , H01Q21/28
CPC分类号： H01Q21/062 , H01Q21/061 , H01Q5/42 , H01Q9/065
摘要： A dual band array antenna is disclosed having interleaved waveguide and dipole arrays, each operating in a different frequency band. The orientation of the waveguides and dipoles is such that polarization of the signals of the two frequency bands is perpendicular to each other, thus reducing mutual coupling. The waveguides are used for the higher frequency band and their cutoff frequency is selected to be above the lower frequency band at which the dipoles operate, in order to reduce mutual coupling into the waveguides. In one embodiment the dipoles are printed on a substrate having a dielectric constant selected so that dipole spacing is the same as the waveguide spacing. This eliminates grating lobe formation in the radiation pattern of the waveguide array. A low pass filter is included in the dipole feed circuit to reject the frequencies at which the waveguides operate. As a result of the invention, two beams of two different frequency bands are independently and simultaneously steerable in a single antenna aperture.
摘要翻译：公开了一种双波段阵列天线，其具有交错的波导和偶极阵列，每个阵列在不同的频带中工作。波导和偶极子的取向使得两个频带的信号的极化彼此垂直，从而减少了相互耦合。波导用于较高频带，并且其截止频率被选择为高于偶极子操作的较低频带，以减少与波导的相互耦合。在一个实施例中，将偶极子印刷在具有选定的介电常数的基板上，使得偶极间距与波导间隔相同。这消除了波导阵列的辐射图中的光栅波瓣形成。偶极馈电电路中包括一个低通滤波器，以抑制波导工作的频率。作为本发明的结果，两个不同频带的两个波束在单个天线孔径中是独立且同时可控的。

4. 发明授权

US5745079A Wide-band/dual-band stacked-disc radiators on stacked-dielectric posts phased array antenna 失效
标题翻译：宽带/双波段堆叠式散热器在叠层电介质柱相控阵天线上
公开(公告)号：US5745079A
公开(公告)日：1998-04-28
申请号：US678383
申请日：1996-06-28
申请人： Allen T.S. Wang , Kuan M. Lee , Ruey S. Chu
发明人： Allen T.S. Wang , Kuan M. Lee , Ruey S. Chu
IPC分类号： H01Q5/00 , H01Q5/378 , H01Q9/04 , H01Q13/08 , H01Q21/06 , H01Q21/24 , H01Q1/38 , H01Q1/48
CPC分类号： H01Q21/065 , H01Q5/378 , H01Q9/0414 , H01Q9/0435
摘要： A very wide-band or dual-band phased array antenna using stacked-disc radiators on stacked-dielectric cylindrical posts to form radiator elements. Each radiator element includes a ground plane, a lower dielectric cylindrical post of a high dielectric material adjacent the ground plane, a lower thin conductive radiator disc formed on the upper surface of the lower dielectric post, an upper dielectric cylindrical post of a low dielectric material disposed on top of the lower post and lower radiator disc, and an upper thin radiator disc or annular ring formed on the upper surface of the upper post. The first radiator disc is excited by two pairs of probes arranged in orthogonal locations. Each pair of probes can be fed by coaxial cables with 180 degree phase reversal. The second radiator disc or annular ring is a parasitic radiator without feeding probes. Depending on the feed arrangement, the radiator elements can achieve single-linear polarization, dual-linear polarization or circular polarization.
摘要翻译：一种非常宽带或双频相控阵天线，在叠层电介质圆柱形柱上使用堆叠式散热器，形成散热器元件。每个散热器元件包括接地平面，邻近接地平面的高电介质材料的下电介质柱形柱，形成在下电介质柱的上表面上的下薄导电散热片，低电介质材料的上电介质圆柱柱设置在下部柱和下部散热器盘的顶部，以及形成在上部柱的上表面上的上部薄的散热器盘或环形环。第一个辐射盘由正交位置上布置的两对探头激发。每对探头可以通过180度相位反转的同轴电缆进给。第二个辐射盘或环形环是一个寄生散热器，不需要进料探头。取决于进料布置，散热器元件可以实现单线性偏振，双线性偏振或圆偏振。

5. 发明授权

US5070339A Tapered-element array antenna with plural octave bandwidth 失效
标题翻译：具有多个八度带宽的锥形元件阵列天线
公开(公告)号：US5070339A
公开(公告)日：1991-12-03
申请号：US456018
申请日：1989-12-21
申请人： Ruey S. Chu , Nam S. Wong , Ernie T. Ozaki
发明人： Ruey S. Chu , Nam S. Wong , Ernie T. Ozaki
IPC分类号： H01Q13/08 , H01Q17/00 , H01Q21/06
CPC分类号： H01Q13/085 , H01Q17/001 , H01Q21/061
摘要： An antenna for radiating electromagnetic power with plural octave bandwith is formed of an array of microstrip radiating elements each of which includes a microstrip conductor element spaced apart from a ground-plane element. A common ground-plane element is employed by all of the radiators in a row of the antenna, there being a plurality of the rows disposed parallel to each other. In each radiator, the microstrip conductor element is formed of an input section which is coupled to a feed, and an output section extending to an output end of the radiator for forming a radiating aperture of the radiator. In each output section, there is a two-dimensional enlargement of a cross-section of the radiator, one dimension of enlargement being parallel to the ground-plane element, and the other direction of enlargement being perpendicular to the ground-plane element. Enlargement in the direction parallel to the ground-plane element is accomplished by increasing the width of the conductor element. Enlargement in the direction perpendicular to the ground-plane element is accomplished by bending a portion of the conductor element away from the ground-plane element to provide for an inclination of the conductor element relative to the ground-plane element. Enlargement of the width may occur prior to or concurrently with enlargement of the dimension perpendicular to the ground-plane element.
摘要翻译：用于辐射具有多个八度带宽的电磁功率的天线由微带辐射元件阵列形成，每个微带辐射元件包括与接地平面元件间隔开的微带导体元件。天线的一排中的所有辐射器采用公共接地面元件，存在彼此平行设置的多个行。在每个散热器中，微带导体元件由耦合到馈电的输入部分和延伸到散热器的输出端的输出部分形成，以形成散热器的辐射孔。在每个输出部分中，存在散热器的横截面的二维放大，放大的一个尺寸平行于接地平面元件，另一个放大方向垂直于接地平面元件。通过增加导体元件的宽度来实现平行于接地平面元件的方向的扩大。通过将导体元件的一部分远离接地平面元件弯曲以提供导体元件相对于接地平面元件的倾斜度来实现垂直于接地平面元件的方向的放大。宽度的扩大可以在垂直于接地平面元件的尺寸的放大之前或同时发生。

6. 发明授权

US5087922A Multi-frequency band phased array antenna using coplanar dipole array with multiple feed ports 失效
标题翻译：多频带相控阵天线，使用具有多个馈电端口的共面偶极阵列
公开(公告)号：US5087922A
公开(公告)日：1992-02-11
申请号：US447974
申请日：1989-12-08
申请人： Raymond Tang , Kuan M. Lee , Ruey S. Chu
发明人： Raymond Tang , Kuan M. Lee , Ruey S. Chu
IPC分类号： H01Q5/00 , H01Q5/02 , H01Q5/321 , H01Q5/42 , H01Q21/06 , H01Q21/12
CPC分类号： H01Q21/12 , H01Q21/062 , H01Q5/321 , H01Q5/42 , H01Q9/065
摘要： In a printed circuit embodiment, dielectric boards in a multilayer arrangement have their ends protruding from a ground plane. Sets of printed dipole elements are disposed along the edge of each board. Each set of dipole elements has three feed ports. Bandpass filters are provided for each feed port. Phase shifters are coupled to each of the feed ports through its respective bandpass filter. At the low band, the outer feed ports are shorted by the filters so that the two sections of dipole elements to the left of the center feed port form one lone band dipole arm, and the two sections of dipole elements to the right of the center feed port form the other low band dipole arm. The low band dipole is driven at the center feed port. At the high band, the center feed port becomes an open circuit so that the two sections to the left thereof form one high band dipole, and the two sections to the right thereof form a second high band dipole. The two outer feed ports drive the dipole array at the high band. In an MMIC embodiment, printed circuit stubs are bridged across the outer feed ports. The length of each stub is one wavelength at the low frequency band, and one-and-one-half wavelengths at the high frequency band. At the low frequency, the stubs appear to be short-circuited. At the high frequency band, the terminals of the stubs provide a 180 degree phase difference for a balun.
摘要翻译：在印刷电路实施例中，多层布置的电介质板的端部从接地平面突出。印刷偶极子元件沿着每个板的边缘设置。每套偶极子元件具有三个馈电端口。为每个进料口提供带通滤光片。移相器通过其相应的带通滤波器耦合到每个馈送端口。在低频带处，外部馈电端口被滤波器短路，使得位于中心馈电端口左侧的偶极子元件的两个部分形成一个单带偶极臂，并且偶极子元件的两个部分在中心的右侧进料口形成另一个低频带偶极臂。低频带偶极子在中心馈电端口被驱动。在高频带处，中心馈电端口成为开路，使得其左侧的两个部分形成一个高频带偶极子，并且其右侧的两个部分形成第二高频带偶极子。两个外部进给端口在高频段驱动偶极子阵列。在MMIC实施例中，印刷电路短截线跨越外部馈送端口桥接。每个短截线的长度是低频带的一个波长，高频带的一个波长。在低频时，短线看起来很短路。在高频段，短截线的端子为巴伦提供180度的相位差。

7. 发明授权

US4689627A Dual band phased antenna array using wideband element with diplexer 失效
标题翻译：双频相控天线阵列，采用带双工器的宽带单元
公开(公告)号：US4689627A
公开(公告)日：1987-08-25
申请号：US496751
申请日：1983-05-20
申请人： Kuan M. Lee , Nam S. Wong , Ruey S. Chu , Ray Tang
发明人： Kuan M. Lee , Nam S. Wong , Ruey S. Chu , Ray Tang
IPC分类号： H01P1/213 , G01S7/02 , H01P5/02 , H01P5/103 , H01Q3/34 , H01Q5/00 , H01Q21/00 , H01Q21/06 , H01Q3/22 , H01Q3/24 , H01Q3/26
CPC分类号： H01Q3/30 , H01P5/103 , H01Q13/06 , H01Q21/30 , H01Q5/00
摘要： A dual band, phased array antenna especially adaptable for tactical radar capable of performing search, track and identification in a hostile jamming environment. The dual band array antenna is essentially two antennas sharing a common antenna aperture. The two antennas possess separate feed system and beam steering control. Thus, the beams for each frequency band can be steered independently and simultaneously. This design utilizes an ultra-wide band radiating element which can operate over approximately an octave bandwidth encompassing two adjacent microwave bands. In particular, the dual band signals can be received efficiently by the radiating element. A dual band coaxial-to-waveguide transition can be used to carry the signals to a diplexer. The dual band signals are separated at the diplexer and can be processed in separate feed networks. The advantages of this dual band phased array technique include not only good impedance characteristics but also the absence of grating lobe formation and cross coupling problems.
摘要翻译：一种双频带相控阵天线，特别适用于能够在敌对干扰环境中进行搜索，跟踪和识别的战术雷达。双频带阵列天线基本上是共享共同天线孔径的两个天线。两个天线具有独立的进料系统和波束转向控制。因此，可以独立地并且同时地控制每个频带的波束。该设计利用了超宽带辐射元件，其可以在包含两个相邻微波频带的大约八度带宽上工作。特别地，可以通过辐射元件有效地接收双频带信号。双波段同轴 - 波导转换可用于将信号传送到双工器。双频信号在双工器处分离，可以在单独的馈电网络中进行处理。这种双频相控阵技术的优点不仅包括良好的阻抗特性，还包括不存在光栅波瓣形成和交叉耦合问题。

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