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公开(公告)号：US07808343B1
公开(公告)日：2010-10-05
申请号：US12245474
申请日：2008-10-03
CPC分类号： H01P5/187
摘要： A radio frequency (RF) communication device may include an RF 90-degree hybrid combiner having stable phase and loss characteristics over greater than one octave of bandwidth, while providing a high degree of isolation between input and isolated port. The structure may include a first element and a second element. The first element includes a first port, a first section for phasing matching, a second section for conductive-layer inversion, a third section for phase-matching section, and a third port. The second element includes a fourth port, a fourth section for phasing matching, a fifth section for conductive-layer inversion, a sixth section for phase-matching, and a second port. In one example, the second and fifth sections are utilized for signal coupling. In another example, the first, third, fourth, and sixth sections are utilized for signal coupling. Different ports may have matched phase differences.
摘要翻译： 无线电频率（RF）通信设备可以包括具有超过一倍频带宽的稳定的相位和损耗特性的RF 90度混合组合器，同时在输入和隔离端口之间提供高度的隔离。 该结构可以包括第一元件和第二元件。 第一元件包括第一端口，用于定相匹配的第一部分，用于导电层反转的第二部分，用于相位匹配部分的第三部分和第三端口。 第二元件包括第四端口，用于定相匹配的第四部分，用于导电层反转的第五部分，用于相位匹配的第六部分和第二端口。 在一个示例中，第二和第五部分用于信号耦合。 在另一示例中，第一，第三，第四和第六部分被用于信号耦合。 不同的端口可能具有匹配的相位差。
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2.发明申请SPACE SEGMENT PAYLOAD ARCHITECTURE FOR MOBILE SATELLITE SERVICES (MSS) SYSTEMS 有权移动卫星系统（MSS）系统的空间分段付费架构公开(公告)号：US20090262037A1
公开(公告)日：2009-10-22
申请号：US12492099
申请日：2009-06-25
申请人： Gerard J. Matyas , Sudhakar K. Rao , Alan L. Stern , Minh Tang , William J. Taft , Ronald M. Hirschfield
发明人： Gerard J. Matyas , Sudhakar K. Rao , Alan L. Stern , Minh Tang , William J. Taft , Ronald M. Hirschfield
IPC分类号： H01Q13/00
CPC分类号： H01Q19/12 , H01Q19/17 , H01Q25/007
摘要： A antenna system for generating and distributing power among a plurality of non-focused beams is provided The system comprises a reflector having a focal plane and a non-parabolic curvature configured to form the defocused beams. The curvature is configured to create a symmetrical quadratic phase-front in an aperture plane of the reflector. The system further comprises a plurality of feed antennas disposed in the focal plane of the reflector and configured to illuminate the reflector. Each feed antenna is configured to contribute power toward each of the defocused beams. The system further comprises a plurality of fixed-amplitude amplifiers, at least one of which corresponds to each feed antenna.
摘要翻译： 提供了一种用于在多个非聚焦光束之间产生和分配功率的天线系统。该系统包括具有焦平面和非抛物线曲率的反射器，其被配置为形成散焦光束。 曲率被配置为在反射器的孔径平面中产生对称的二次相位前沿。 该系统还包括设置在反射器的焦平面中并被配置为照射反射器的多个馈电天线。 每个馈送天线被配置成向每个散焦光束贡献电力。 该系统还包括多个固定幅度放大器，其中至少一个对应于每个馈送天线。
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公开(公告)号：US06965351B1
公开(公告)日：2005-11-15
申请号：US10812593
申请日：2004-03-29
申请人： Julie Miller , William J. Taft
发明人： Julie Miller , William J. Taft
CPC分类号： H01Q15/0033 , H01Q1/288 , H01Q5/55 , H01Q19/191
摘要： An illuminating reflector system is provided for transmitting first and second frequency bands for satellite and terrestrial communications. The illuminating reflector includes a first reflector configured to transmit a first portion of the first frequency band in an dispersed beam, to reflect a second portion of the first frequency band, and to transmit the second frequency band; a second reflector configured to reflect the second frequency band received from the first reflector; and a primary reflector configured to receive the second portion of the first frequency band reflected from the first reflector, to receive the second frequency band reflected from the second reflector, and to reflect the second portion of the first frequency band and the second frequency band in a substantially collimated beam.
摘要翻译： 提供照明反射器系统用于发送用于卫星和地面通信的第一和第二频带。 所述照明反射器包括：第一反射器，被配置为在分散光束中传输所述第一频带的第一部分，以反射所述第一频带的第二部分，并传输所述第二频带; 第二反射器，被配置为反射从第一反射器接收的第二频带; 以及主反射器，被配置为接收从第一反射器反射的第一频带的第二部分，以接收从第二反射器反射的第二频带，并将第一频带和第二频带的第二部分反射 一个基本准直的光束。
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公开(公告)号：US09002207B1
公开(公告)日：2015-04-07
申请号：US13564679
申请日：2012-08-01
IPC分类号： H04B10/00
CPC分类号： H04B10/22 , H04B10/00 , H04B2210/006
摘要： A compact photonic radio frequency front end receiver system including a laser chip source, radio frequency and LO inputs, an optical modulator chip coupled to the laser source and the radio frequency and LO inputs, a millimeter scale optical radio frequency multi-pole filter coupled to the optical modulator, an optical switch array chip coupled to the optical radio frequency multi-pole filter, and a detector chip coupled to the optical switch array, all with micro-optic coupling, heterodyne signal recovery, and wavelength locking.
摘要翻译： 一种包括激光芯片源，射频和LO输入的紧凑型光子射频前端接收器系统，耦合到激光源和射频和LO输入的光学调制器芯片，一个毫米级的光射频多极滤波器，耦合到 光调制器，耦合到光射频多极滤波器的光开关阵列芯片和耦合到光开关阵列的检测器芯片，全部具有微光耦合，外差信号恢复和波长锁定。
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公开(公告)号：US07570133B1
公开(公告)日：2009-08-04
申请号：US11634107
申请日：2006-12-06
摘要： A true time delay (“TTD”) system with wideband passive amplitude compensation is provided. The TTD system includes an input switch, an output switch, a reference delay line disposed between the input switch and the output switch, and time delay lines disposed between the input switch and the output switch. Each time delay line (“TDL”) has a different line length, and includes a center conductor between two corresponding ground planes. Each center conductor has a width and is separated from the two corresponding ground planes by a gap space. For each TDL, the width of the center conductor is configured such that a loss of the TDL is substantially the same as a loss of every other TDL over a range of operating frequencies. For each TDL, the gap space is configured such that an impedance of the TDL is substantially the same as an impedance of every other TDL.
摘要翻译： 提供了具有宽带无源幅度补偿的真实时延（“TTD”）系统。 TTD系统包括输入开关，输出开关，设置在输入开关和输出开关之间的参考延迟线，以及设置在输入开关和输出开关之间的时间延迟线。 每个延迟线（“TDL”）具有不同的线路长度，并且在两个对应的接地层之间包括中心导体。 每个中心导体具有宽度并且通过间隙空间与两个对应的接地平面分离。 对于每个TDL，中心导体的宽度被配置为使得TDL的损耗基本上与工作频率范围上每隔一个TDL的损耗相同。 对于每个TDL，间隙空间被配置为使得TDL的阻抗基本上与每个其它TDL的阻抗相同。
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6.发明授权Space segment payload architecture for mobile satellite services (MSS) systems 有权用于移动卫星服务（MSS）系统的空间段有效负载体系结构公开(公告)号：US08354956B2
公开(公告)日：2013-01-15
申请号：US12492099
申请日：2009-06-25
申请人： Gerard J. Matyas , Sudhakar K. Rao , Alan L. Stern , Minh Tang , William J. Taft , Ronald M. Hirschfield
发明人： Gerard J. Matyas , Sudhakar K. Rao , Alan L. Stern , Minh Tang , William J. Taft , Ronald M. Hirschfield
CPC分类号： H01Q19/12 , H01Q19/17 , H01Q25/007
摘要： A antenna system for generating and distributing power among a plurality of non-focused beams is provided The system comprises a reflector having a focal plane and a non-parabolic curvature configured to form the defocused beams. The curvature is configured to create a symmetrical quadratic phase-front in an aperture plane of the reflector. The system further comprises a plurality of feed antennas disposed in the focal plane of the reflector and configured to illuminate the reflector. Each feed antenna is configured to contribute power toward each of the defocused beams. The system further comprises a plurality of fixed-amplitude amplifiers, at least one of which corresponds to each feed antenna.
摘要翻译： 提供了一种用于在多个非聚焦光束之间产生和分配功率的天线系统。该系统包括具有焦平面和非抛物线曲率的反射器，其被配置为形成散焦光束。 曲率被配置为在反射器的孔径平面中产生对称的二次相位前沿。 该系统还包括设置在反射器的焦平面中并被配置为照射反射器的多个馈电天线。 每个馈送天线被配置成向每个散焦光束贡献电力。 该系统还包括多个固定幅度放大器，其中至少一个对应于每个馈送天线。
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7.发明授权Microwave variable power solid state power amplifier (SSPA) with constant efficiency and linearity 有权微波可变功率固态功率放大器（SSPA），效率和线性度不变公开(公告)号：US08237504B1
公开(公告)日：2012-08-07
申请号：US12699103
申请日：2010-02-03
IPC分类号： H03G3/10
CPC分类号： H03F1/0261 , H03F1/3205 , H03F3/195 , H03F3/245 , H03F3/68 , H03F2200/15 , H03F2200/18 , H03F2200/405 , H03F2200/411 , H03G3/3042
摘要： A method of fabricating a solid state power amplifier (SSPA) having variable output power is provided. The method includes coupling a first transistor device to a second transistor device and biasing a drain input of each of the first and second transistor device. Further, the method includes biasing a gate input of each of the first and second transistor device varying a drain to source current of each of the first and second transistor device to enable the SSPA to maintain high power added efficiency (PAE) and consistent linearity over a range of output power levels.
摘要翻译： 提供一种制造具有可变输出功率的固态功率放大器（SSPA）的方法。 该方法包括将第一晶体管器件耦合到第二晶体管器件并且偏置第一和第二晶体管器件中的每一个的漏极输入。 此外，该方法包括偏置第一和第二晶体管器件中的每一个的栅极输入，改变第一和第二晶体管器件中的每一个的漏极 - 源极电流，以使得SSPA能够保持高的功率附加效率（PAE）和一致的线性度 输出功率范围的范围。
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公开(公告)号：US07015867B1
公开(公告)日：2006-03-21
申请号：US10812535
申请日：2004-03-29
申请人： Julie Miller , William J. Taft
发明人： Julie Miller , William J. Taft
CPC分类号： H01Q19/193 , H01Q19/062 , H01Q25/002
摘要： An illuminating-reflector system is provided for transmitting a frequency band in an dispersed beam and a substantially collimated beam. The system includes a secondary reflector configured to transmit a first portion of the frequency band to form the dispersed beam and to reflect a second portion of the frequency band; and a primary reflector configured to receive the second portion of the frequency band reflected from the secondary reflector and to reflect the second portion of the frequency band to form the substantially collimated beam.
摘要翻译： 提供照明反射器系统，用于传输分散光束和基本上准直的光束中的频带。 该系统包括辅助反射器，其被配置为传送频带的第一部分以形成分散的光束并且反射该频带的第二部分; 以及主反射器，其被配置为接收从次级反射器反射的频带的第二部分并且反射该频带的第二部分以形成基本上准直的光束。
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公开(公告)号：US08923438B1
公开(公告)日：2014-12-30
申请号：US13332085
申请日：2011-12-20
申请人： William J. Taft , Anthony Eddy , George Silverman , James E. Bowe , Harold D. Babb , David O. Sieberns , Christopher C. Bianchi
发明人： William J. Taft , Anthony Eddy , George Silverman , James E. Bowe , Harold D. Babb , David O. Sieberns , Christopher C. Bianchi
IPC分类号： H04L27/20
CPC分类号： H04L27/3494 , H04L25/497 , Y02D30/30
摘要： A dual rate transmitter may include a modulator circuit configured to modulate orthogonal signals to generate a quadrature modulated signal. An amplifier may be configured to amplify the quadrature modulated signal to produce an amplified signal. A quadrature partial response (QPR) filter may be configured to process the amplified signal to generate an output signal. The QPR filter may allow for full rate QPR and half rate QPSK operation of the transmitter device. The output signal may be transmitted via an antenna. This transmitter approach provides a bandwidth efficiency improvement, as the QPR signal may be operated at twice the rate within the same bandwidth as the quadrature modulated signal using a common saturated transmitter implementation, reducing quantity of components and the resulting mass and cost reduction for a space transmitter solution. Additionally, this approach of using QPR signaling provides greater power efficiency.
摘要翻译： 双速率发射机可以包括配置成调制正交信号以产生正交调制信号的调制器电路。 放大器可以被配置为放大正交调制信号以产生放大信号。 正交部分响应（QPR）滤波器可以被配置为处理放大的信号以产生输出信号。 QPR滤波器可以允许发射机设备的全速率QPR和半速率QPSK操作。 输出信号可以经由天线发送。 该发射机方法提供了带宽效率的改进，因为QPR信号可以以与正交调制信号相同的带宽中的两倍的速率运行，使用共同的饱和发射机实现，减少了部件的数量以及由此导致的空间的质量和成本降低 发射机解决方案。 另外，使用QPR信令的这种方法提供更高的功率效率。
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