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    • 1. 发明授权
    • Planar low profile, wideband, wide-scan phased array antenna using a
stacked-disc radiator
    • 使用堆叠式光盘散热器的平面薄型宽带宽扫描相控阵天线
    • US5880694A
    • 1999-03-09
    • US878171
    • 1997-06-18
    • Allen T. S. WangKuan Min LeeRuey Shi Chu
    • Allen T. S. WangKuan Min LeeRuey Shi Chu
    • H01Q5/00H01Q5/378H01Q9/04H01Q21/06H01Q1/38
    • H01Q21/065H01Q5/378H01Q9/0414H01Q9/0435
    • A phased array antenna having stacked-disc radiators embedded in dielectric media. The phased array antenna has a rectangular arrangement of unit cells that are disposed on a ground plane. A lower dielectric puck with a high dielectric constant is disposed on the ground plane. An excitable disc is disposed within the perimeter of and on top of the lower dielectric puck. An upper low dielectric constant dielectric puck that has a dielectric constant lower than that of the lower dielectric puck is disposed on the excitable disc. A parasitic disc is disposed within the perimeter of and on top of the upper dielectric puck. Dielectric filler material having a dielectric constant that is lower than that of the lower dielectric puck surrounds the dielectric pucks. A radome 18 is disposed on top of the parasitic disc and the unit cell. Two orthogonal pairs of excitation probes are coupled to the lower excitable disc. The polarization of the phased array antenna may be single linear polarization, dual linear polarization, or circular polarization depending on whether a single pair or two pairs of excitation probes are excited
    • 一种相位阵列天线,其具有嵌入介质介质中的堆叠式盘式散热器。 相控阵天线具有设置在接地平面上的单元电池的矩形布置。 具有高介电常数的下介电圆盘设置在接地平面上。 可激活的盘被设置在下部电介质圆盘的周边内和顶部。 具有比下介电圆盘的介电常数低的介电常数的上低介电常数电介质凹坑设置在可激发的盘上。 寄生盘设置在上电介质圆盘的周边内和顶部上。 具有低于下介电圆盘的介电常数的介电填充材料包围电介质圆盘。 天线罩18设置在寄生盘和单元的顶部。 两个正交的激发探针对耦合到下可激发的盘。 取决于单对或两对激发探针是否被激发,相控阵天线的极化可以是单线偏振,双线性偏振或圆偏振
    • 2. 发明授权
    • Self contained antenna test device
    • 自包含天线测试装置
    • US4468669A
    • 1984-08-28
    • US387098
    • 1982-06-10
    • Shii-Shyong WangRuey-Shi Chu
    • Shii-Shyong WangRuey-Shi Chu
    • G01R29/10G01R29/08
    • G01R29/10
    • Twin lead transmission lines are positioned in close coupling relationshipo linearly polarized and planar arrays of antenna radiating elements to provide a self contained instantaneous antenna test and measurement system. Near field energy from the transmission lines is coupled to the transversely arranged antenna dipole elements to permit testing without degrading antenna performance. Signals induced on the radiating elements are of uniform amplitude and linearly changing phase equivalent to those of a far field plane wave. Various tests such as antenna failure and performance characteristic measurements, including gain, pattern and phase difference, can be made automatically. A balanced power divider distributes RF power equally to the twin lead transmission lines and a system processor controls phase shifter scanning elements and analyzes the various output parameters to provide the desired test and measurement information concerning the selected array of dipoles and components.
    • 双引线传输线位于与天线辐射元件的线性极化和平面阵列紧密耦合的关系中,以提供自包含的瞬时天线测试和测量系统。 来自传输线的近场能耦合到横向布置的天线偶极元件,以允许测试而不降低天线性能。 在辐射元件上感应的信号具有与远场平面波相等的幅度均匀和线性变化的相位。 可以自动进行各种测试,如天线故障和性能特性测量,包括增益,模式和相位差。 平衡功率分配器将RF功率均等地分配给双引线传输线,并且系统处理器控制移相器扫描元件并分析各种输出参数以提供关于所选择的偶极子和组件阵列的期望的测试和测量信息。
    • 3. 发明授权
    • Radar cross section enhancement using phase conjugated impulse signals
    • 雷达横截面增强使用相位共轭脉冲信号
    • US5223838A
    • 1993-06-29
    • US864733
    • 1992-04-07
    • Raymond TangKuan M. LeeRuey-shi ChuGordon L. Howard
    • Raymond TangKuan M. LeeRuey-shi ChuGordon L. Howard
    • G01S7/28
    • G01S7/28
    • An apparatus and a method for enhancing the radar cross section of a target. The present invention is an impulse radar system that implements a method that comprises the following steps. A pilot impulse radar pulse is transmitted at a target. The pilot pulse comprises a plurality of individual pulses having respective distinct frequencies generated by the impulse radar system. A return pulse from the target is received by the impulse radar system and provides information indicative of target scattering centers. The return pulse is used as a calibration signal for generating a phase conjugated pulse. The phase conjugated pulse is then transmitted at the target. Processing a target return signal derived from the transmitted phase conjugated pulse enhances the radar cross section of the target because the waveform of the transmitted phase conjugated pulse is matched to the characteristics of the target. The present invention is adapted to detect low radar cross section targets without encountering the problems and frequency restrictions with conventional radar systems. In a second embodiment of the present invention, when a progressive phase variation is applied to the transmit pulses, the radar cross section contributed by backward travelling wave is made to add in phase in the received direction by processing the received target return pulses while adaptively adjusting the phase sequence of the transmitted pulses. When the appropriate phase sequence is achieved which is such that the transmitted pulses match the scattering centers on the target, then an enhanced return signal is received.
    • 一种用于增强目标雷达横截面的装置和方法。 本发明是一种实现包括以下步骤的方法的脉冲雷达系统。 在目标位置传输一个导频脉冲雷达脉冲。 导频脉冲包括具有由脉冲雷达系统产生的各自不同频率的多个独立脉冲。 来自目标的返回脉冲由脉冲雷达系统接收并提供指示目标散射中心的信息。 返回脉冲用作生成相位共轭脉冲的校准信号。 相位共轭脉冲随后在目标传输。 由于传输相位共轭脉冲的波形与目标的特性相匹配,处理从传输相位共轭脉冲得到的目标返回信号增强了目标的雷达横截面。 本发明适用于检测低雷达截面目标,而不会遇到常规雷达系统的问题和频率限制。 在本发明的第二实施例中,当对发射脉冲施加逐行相位变化时,通过在自适应调整的同时处理接收到的目标返回脉冲,使由反向行波贡献的雷达横截面在接收方向上相位相加 发射脉冲的相序。 当实现适当的相序使发射的脉冲与目标上的散射中心匹配时,接收增强的返回信号。
    • 4. 发明授权
    • Transverse device array phase shifter circuit techniques and antennas
    • 横向器件阵列移相器电路技术和天线
    • US06999040B2
    • 2006-02-14
    • US10464086
    • 2003-06-18
    • Ralston S. Robertson, Jr.William H. HendersonRobert T. LewisRuey-Shi ChuDavid W. BakerBrian M. PierceDavid R. UlmerRomulo J. Broas
    • Ralston S. Robertson, Jr.William H. HendersonRobert T. LewisRuey-Shi ChuDavid W. BakerBrian M. PierceDavid R. UlmerRomulo J. Broas
    • H01Q13/00H01Q3/00H01P5/00
    • H01Q13/28H01P1/182H01P1/185H01Q3/34H01Q13/20
    • A transverse device array phase shifter includes an overmoded waveguide structure having a top conductive broad wall surface, a bottom conductive broad wall surface and opposed first and second conductive side wall surfaces. At least one transverse device array circuit is positioned in the waveguide circuit. Each circuit comprises a generally planar dielectric substrate having a microwave circuit defined thereon, and a plurality of spaced discrete phase shifter elements. The substrate is disposed within the waveguide structure generally transverse to the side wall surfaces. A bias circuit applies a voltage to reverse bias the phase shifter elements. The transverse device array phase shifter circuit causes a change in phase of microwave or millimeter-wave energy propagating through the waveguide structure. An electronically scanned antenna array employing continuous transverse stubs as radiating elements, with an upper conductive plate structure comprising a set of continuous transverse stubs, and a lower conductive plate structure disposed in a spaced relationship relative to the upper plate structure. At least one transverse device array phase shifter circuit is disposed between selected adjacent pairs of stubs. An electronically tunable antenna array employing continuous transverse stubs as radiating elements and transverse diode array phase shifters, which includes a short circuit termination disposed between the upper conductive plate and the lower conductive plate. At least one transverse device array phase shifter circuit is positioned between the short circuit termination and an adjacent stub to provide tuning.
    • 横向器件阵列移相器包括具有顶部导电宽壁表面,底部导电宽壁表面和相对的第一和第二导电侧壁表面的过度重构的波导结构。 至少一个横向器件阵列电路位于波导电路中。 每个电路包括具有限定在其上的微波电路的大致平面的电介质基板,以及多个间隔离散的移相器元件。 衬底被布置在通常横向于侧壁表面的波导结构内。 偏置电路施加电压以反相偏移移相器元件。 横向器件阵列移相器电路导致通过波导结构传播的微波或毫米波能量的相位变化。 一种使用连续横向短截线作为辐射元件的电子扫描天线阵列,具有包括一组连续横向短截线的上导电板结构以及相对于上板结构间隔设置的下导电板结构。 至少一个横向器件阵列移相器电路设置在选定的相邻的短截线对之间。 使用连续横向短截线作为辐射元件的电子可调谐天线阵列和横向二极管阵列移相器,其包括设置在上导电板和下导电板之间的短路端接件。 至少一个横向器件阵列移相器电路位于短路端子和相邻短截线之间以提供调谐。
    • 6. 发明授权
    • Dual frequency anti-jamming antenna
    • 双频抗干扰天线
    • US06819295B1
    • 2004-11-16
    • US10367141
    • 2003-02-13
    • Sheng Yeng PengRuey Shi Chu
    • Sheng Yeng PengRuey Shi Chu
    • H01Q2100
    • H01Q21/30H01Q3/2611H01Q7/00H01Q13/10H01Q21/29
    • A dual frequency antenna providing nulling of adjacent radio signals. The antenna is formed on a single substrate of dielectric material and features a first antenna for a first frequency on top surface of the substrate mutually coupled to a second antenna formed for reception of a second frequency on the bottom surface of the substrate. A single antenna feed communicates through the substrate with the first antenna communicates both received frequencies to an attached device. Feeding the single antenna feed through the substrate wall inside the interior of both antenna perimeters provides for an unobstructed view above the first antenna. The nulled portion of the reception pattern may be steered by tilting the antenna.
    • 提供相邻无线电信号零点的双频天线。 天线形成在介电材料的单个基板上,并且具有用于在衬底的顶表面上的第一频率的第一天线,其相互耦合到形成为用于在衬底的底表面上接收第二频率的第二天线。 单个天线馈送通过衬底通信,第一天线将接收到的频率传送到附接的设备。 通过天线周边内部内的基板壁馈送单个天线馈电提供了在第一天线之上的无障碍视图。 可以通过倾斜天线来控制接收图案的无效部分。