公开(公告)号：US08477063B2

公开(公告)日：2013-07-02

申请号：US12245583

申请日：2008-10-03

申请人： David W. Meyers ,  Long Bui ,  Yi-Chi Shih ,  Alan G. Cornett

发明人： David W. Meyers ,  Long Bui ,  Yi-Chi Shih ,  Alan G. Cornett

IPC分类号： G01S13/04 ,  G01S13/93 ,  G01S13/00

CPC分类号： G01S13/94 ,  G01S7/411 ,  G01S13/34

摘要： A obstacle detection system comprises a transmission antenna operable to radiate a radio frequency (RF) signal and a transmitter operable to control transmission of the RF signal from the antenna. The obstacle detection system also comprises a receiver antenna operable to receive a reflection of the RF signal; and processing circuitry operable to analyze a plurality of characteristics of a radar cross section (RCS) of the received reflection to identify an obstacle and one or more physical attributes of the obstacle.

摘要翻译： 障碍物检测系统包括可操作以辐射射频（RF）信号的发射天线和可操作以控制来自天线的RF信号的发射的发射机。 障碍物检测系统还包括可操作以接收RF信号的反射的接收机天线; 以及处理电路，其可操作以分析接收到的反射的雷达横截面（RCS）的多个特征，以识别障碍物和障碍物的一个或多个物理属性。

公开(公告)号：US20100085241A1

公开(公告)日：2010-04-08

申请号：US12245583

申请日：2008-10-03

申请人： David W. Meyers ,  Long Bui ,  Yi-Chi Shih ,  Alan G. Cornett

发明人： David W. Meyers ,  Long Bui ,  Yi-Chi Shih ,  Alan G. Cornett

IPC分类号： G01S13/34 ,  G01S3/46

CPC分类号： G01S13/94 ,  G01S7/411 ,  G01S13/34

摘要： A obstacle detection system comprises a transmission antenna operable to radiate a radio frequency (RF) signal and a transmitter operable to control transmission of the RF signal from the antenna. The obstacle detection system also comprises a receiver antenna operable to receive a reflection of the RF signal; and processing circuitry operable to analyze a plurality of characteristics of a radar cross section (RCS) of the received reflection to identify an obstacle and one or more physical attributes of the obstacle.

摘要翻译： 障碍物检测系统包括可操作以辐射射频（RF）信号的发射天线和可操作以控制来自天线的RF信号的发射的发射机。 障碍物检测系统还包括可操作以接收RF信号的反射的接收机天线; 以及处理电路，其可操作以分析接收到的反射的雷达横截面（RCS）的多个特征，以识别障碍物和障碍物的一个或多个物理属性。

公开(公告)号：US07898462B2

公开(公告)日：2011-03-01

申请号：US12245593

申请日：2008-10-03

申请人： David W. Meyers ,  Long Bui ,  Yi-Chi Shih

发明人： David W. Meyers ,  Long Bui ,  Yi-Chi Shih

IPC分类号： H01Q1/28 ,  G01C23/00 ,  G01S13/00

CPC分类号： G01S13/9303 ,  G01S13/42 ,  G01S13/426 ,  G01S13/4454 ,  H01Q25/00

摘要： A radar system comprises a plurality of antenna sub-systems, each operable to transmit and receive radio frequency (RF) signals in a corresponding sector, wherein the plurality of antenna sub-systems are positioned such that the corresponding sectors cover a total range of about 180 degrees to about 360 degrees without rotation of the radar system. The radar system also comprises shared backend circuitry coupled to each of the plurality of antenna sub-systems and operable to process signals from each of the plurality of antenna sub-systems to detect the presence of an obstacle in one of the corresponding sectors.

摘要翻译： 雷达系统包括多个天线子系统，每个天线子系统可操作以在对应的扇区中发送和接收射频（RF）信号，其中多个天线子系统被定位成使得对应的扇区覆盖约 180度至360度左右，不会旋转雷达系统。 所述雷达系统还包括耦合到所述多个天线子系统中的每一个的共享后端电路，并且可操作以处理来自所述多个天线子系统中的每一个的信号，以检测相应扇区之一中的障碍物的存在。

公开(公告)号：US20100087967A1

公开(公告)日：2010-04-08

申请号：US12245593

申请日：2008-10-03

申请人： David W. Meyers ,  Long Bui ,  Yi-Chi Shih

发明人： David W. Meyers ,  Long Bui ,  Yi-Chi Shih

IPC分类号： G01S13/93 ,  G05D1/00

CPC分类号： G01S13/9303 ,  G01S13/42 ,  G01S13/426 ,  G01S13/4454 ,  H01Q25/00

摘要： A radar system comprises a plurality of antenna sub-systems, each operable to transmit and receive radio frequency (RF) signals in a corresponding sector, wherein the plurality of antenna sub-systems are positioned such that the corresponding sectors cover a total range of about 180 degrees to about 360 degrees without rotation of the radar system. The radar system also comprises shared backend circuitry coupled to each of the plurality of antenna sub-systems and operable to process signals from each of the plurality of antenna sub-systems to detect the presence of an obstacle in one of the corresponding sectors.

摘要翻译： 雷达系统包括多个天线子系统，每个天线子系统可操作以在对应的扇区中发送和接收射频（RF）信号，其中多个天线子系统被定位成使得对应的扇区覆盖约 180度至360度左右，不会旋转雷达系统。 所述雷达系统还包括耦合到所述多个天线子系统中的每一个的共享后端电路，并且可操作以处理来自所述多个天线子系统中的每一个的信号，以检测相应扇区之一中的障碍物的存在。

公开(公告)号：US20100085235A1

公开(公告)日：2010-04-08

申请号：US12245334

申请日：2008-10-03

申请人： David W. Meyers ,  Long Bui ,  Yi-Chi Shih

发明人： David W. Meyers ,  Long Bui ,  Yi-Chi Shih

IPC分类号： G01S13/93

CPC分类号： G01S13/4454 ,  G01S13/9303 ,  G01S13/931 ,  H01Q25/02

摘要： A radar system comprises a transmitter antenna configured to transmit a radio frequency (RF) signal, a first receiver antenna, and a second receiver antenna. Each of the first and second receiver antennas are configured to receive a reflection of the RF signal, wherein the first and second receiver antennas are synchronized and separated by a vertical distance. The radar system also comprises radar processing circuitry configured to control transmission of the RF signal from the transmitter antenna and to determine an elevation of an object reflecting the RF signal based on the phase difference between the reflected RF signal received by the first receiver antenna and the reflected RF signal received by the second receiver antenna; wherein the transmit antenna, first receiver antenna, and second receiver antenna are operable to continuously rotate 360 degrees along an azimuth angle without rotating along an elevation angle.

摘要翻译： 雷达系统包括被配置为发送射频（RF）信号的发射机天线，第一接收机天线和第二接收机天线。 第一和第二接收机天线中的每一个被配置为接收RF信号的反射，其中第一和第二接收机天线被同步并且被垂直距离分开。 雷达系统还包括雷达处理电路，该雷达处理电路被配置为控制来自发射机天线的RF信号的传输，并且基于由第一接收机天线接收的反射的RF信号与第一接收机天线之间的相位差来确定反射RF信号的物体的高度 由第二接收机天线接收的反射RF信号; 其中所述发射天线，第一接收机天线和第二接收机天线可操作以沿着方位角连续地旋转360度而不沿着仰角旋转。

公开(公告)号：US07868817B2

公开(公告)日：2011-01-11

申请号：US12245334

申请日：2008-10-03

申请人： David W. Meyers ,  Long Bui ,  Yi-Chi Shih

发明人： David W. Meyers ,  Long Bui ,  Yi-Chi Shih

IPC分类号： G01S13/00 ,  G01S13/08

CPC分类号： G01S13/4454 ,  G01S13/9303 ,  G01S13/931 ,  H01Q25/02

摘要： A radar system comprises a transmitter antenna configured to transmit a radio frequency (RF) signal, a first receiver antenna, and a second receiver antenna. Each of the first and second receiver antennas are configured to receive a reflection of the RF signal, wherein the first and second receiver antennas are synchronized and separated by a vertical distance. The radar system also comprises radar processing circuitry configured to control transmission of the RF signal from the transmitter antenna and to determine an elevation of an object reflecting the RF signal based on the phase difference between the reflected RF signal received by the first receiver antenna and the reflected RF signal received by the second receiver antenna; wherein the transmit antenna, first receiver antenna, and second receiver antenna are operable to continuously rotate 360 degrees along an azimuth angle without rotating along an elevation angle.

摘要翻译： 雷达系统包括被配置为发送射频（RF）信号的发射机天线，第一接收机天线和第二接收机天线。 第一和第二接收机天线中的每一个被配置为接收RF信号的反射，其中第一和第二接收机天线被同步并且被垂直距离分开。 雷达系统还包括雷达处理电路，该雷达处理电路被配置为控制来自发射机天线的RF信号的传输，并且基于由第一接收机天线接收的反射的RF信号与第一接收机天线之间的相位差来确定反射RF信号的物体的高度 由第二接收机天线接收的反射RF信号; 其中所述发射天线，第一接收机天线和第二接收机天线可操作以沿着方位角连续地旋转360度而不沿着仰角旋转。

公开(公告)号：US07782250B2

公开(公告)日：2010-08-24

申请号：US12138715

申请日：2008-06-13

申请人： Yi-Chi Shih ,  Kiet Mai ,  Long Bui ,  Cam Bui

发明人： Yi-Chi Shih ,  Kiet Mai ,  Long Bui ,  Cam Bui

IPC分类号： G01S7/40

CPC分类号： G01S7/4052 ,  G01S2007/4082

摘要： A millimeter wave radar target simulation system and method. The system includes a down-converter that converts a millimeter wave radar signal to an intermediate frequency, an electrical-to-optical modulator that modulates an optical signal based on the down-converted signal, an optical-to-electrical demodulator that demodulates an optical signal to an electrical signal, an optical delay line serving to delay a signal passing from the electrical-to-optical modulator to the optical-to-electrical demodulator, and an up-converter that converts the electrical signal from the optical-to-electrical demodulator to a frequency that simulates a millimeter wave target return. The method includes receiving a millimeter wave radar signal, down-converting the radar signal to an intermediate frequency, modulating the down-converted signal to an optical signal, delaying the optical signal, demodulating the delayed optical signal, and up-converting the demodulated signal to a signal having a frequency that simulates a millimeter wave radar target return.

摘要翻译： 一种毫米波雷达目标仿真系统及方法。 该系统包括将毫米波雷达信号转换成中频的下变频器，基于下变频信号调制光信号的电光调制器，解调光信号的光电解调器 信号到电信号，用于延迟从电 - 光调制器到光 - 电解调器的信号的光延迟线，以及上变频器，其将来自光 - 电 解调器到模拟毫米波目标返回的频率。 该方法包括接收毫米波雷达信号，将雷达信号下变频到中频，将下变频信号调制成光信号，延迟光信号，解调延迟的光信号，以及上变频解调信号 涉及具有模拟毫米波雷达目标返回的频率的信号。

公开(公告)号：US08502744B2

公开(公告)日：2013-08-06

申请号：US12211622

申请日：2008-09-16

申请人： Yi-Chi Shih ,  Long Bui ,  Tom Rolfer ,  Kiet Mai ,  Yaozhong Liu

发明人： Yi-Chi Shih ,  Long Bui ,  Tom Rolfer ,  Kiet Mai ,  Yaozhong Liu

IPC分类号： H01Q3/12 ,  H01Q19/12

CPC分类号： H01Q3/18 ,  G01S13/913 ,  H01Q1/281 ,  H01Q3/16 ,  H01Q15/22 ,  H01Q19/193 ,  H01Q19/195

摘要： A reflector assembly implementable in a scanning antenna assembly having a stationary surface includes a support assembly coupled to the stationary surface, a substantially planar first reflector panel coupled to the support assembly so as to enable rotation of the first reflector panel about a central axis of the first reflector panel, and an actuator assembly comprising a translating arm coupled to the first reflector panel, wherein translational motion of the arm is operable to rotate the first reflector panel about the central axis back and forth through a predetermined angular range at a predetermined frequency.

摘要翻译： 可在具有固定表面的扫描天线组件中实施的反射器组件包括联接到固定表面的支撑组件，联接到支撑组件的基本上平面的第一反射器面板，以便能够使第一反射器板围绕 第一反射器面板和包括耦合到第一反射器面板的平移臂的致动器组件，其中臂的平移运动可操作以使第一反射器面板围绕中心轴线以预定频率来回旋转预定角度范围。

公开(公告)号：US20100066620A1

公开(公告)日：2010-03-18

申请号：US12211622

申请日：2008-09-16

申请人： Yi-Chi Shih ,  Long Bui ,  Tom Rolfer ,  Kiet Mai ,  Yaozhong Liu

发明人： Yi-Chi Shih ,  Long Bui ,  Tom Rolfer ,  Kiet Mai ,  Yaozhong Liu

IPC分类号： H01Q3/12 ,  H01Q15/14

CPC分类号： H01Q3/18 ,  G01S13/913 ,  H01Q1/281 ,  H01Q3/16 ,  H01Q15/22 ,  H01Q19/193 ,  H01Q19/195

摘要： A reflector assembly implementable in a scanning antenna assembly having a stationary surface includes a support assembly coupled to the stationary surface, a substantially planar first reflector panel coupled to the support assembly so as to enable rotation of the first reflector panel about a central axis of the first reflector panel, and an actuator assembly comprising a translating arm coupled to the first reflector panel, wherein translational motion of the arm is operable to rotate the first reflector panel about the central axis back and forth through a predetermined angular range at a predetermined frequency.

摘要翻译： 可在具有固定表面的扫描天线组件中实施的反射器组件包括联接到固定表面的支撑组件，联接到支撑组件的基本上平面的第一反射器面板，以便能够使第一反射器板围绕 第一反射器面板和包括耦合到第一反射器面板的平移臂的致动器组件，其中臂的平移运动可操作以使第一反射器面板围绕中心轴线以预定频率来回旋转预定角度范围。

公开(公告)号：US20090315638A1

公开(公告)日：2009-12-24

申请号：US12145271

申请日：2008-06-24

申请人： Yi-Chi Shih ,  Kiet Mai ,  Long Bui

发明人： Yi-Chi Shih ,  Kiet Mai ,  Long Bui

IPC分类号： H01P1/10

CPC分类号： H01P1/15

摘要： A switch for selectively providing an input signal to an output terminal. The switch includes a first waveguide terminal, a second waveguide terminal, a reduced-width waveguide connecting the first waveguide terminal to the second waveguide terminal, and at least one switching element spanning the reduced-width waveguide between the first and second waveguide terminals. The reduced-width waveguide is configured to pass a signal from the first waveguide terminal to the second waveguide terminal when the at least one switching element is in a first state and block a signal when the at least one switching element is in a second state. In some embodiments, the switch also includes at least one additional waveguide terminal and the reduced-width waveguide also connects the first waveguide terminal to the at least one additional waveguide terminal.

摘要翻译： 用于选择性地向输出端子提供输入信号的开关。 该开关包括第一波导端子，第二波导端子，将第一波导端子连接到第二波导端子的减小宽度的波导以及横跨第一和第二波导端子之间的窄宽度波导的至少一个开关元件。 所述窄宽度波导被配置为当所述至少一个开关元件处于第一状态时将信号从所述第一波导端子传递到所述第二波导端子，并且当所述至少一个开关元件处于第二状态时阻止信号。 在一些实施例中，开关还包括至少一个额外的波导端子，并且所述减小宽度的波导还将所述第一波导端子连接到所述至少一个附加波导端子。