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公开(公告)号：US08390402B2
公开(公告)日：2013-03-05
申请号：US12761860
申请日：2010-04-16
申请人： Mark Anthony Kunes
发明人： Mark Anthony Kunes
IPC分类号： H01P3/14
CPC分类号： H01P3/14
摘要： A waveguide is provided that includes an elongate dielectric inner region, and an electrically conducting outer region spaced apart from the dielectric inner region. The dielectric inner region may be arranged to be flexible, and in some examples may be formed from powdered dielectric contained in a polymer tube or matrix, or in other examples may be formed from a plurality of segments. In some examples of the waveguide, each segment may be formed to have lenticular end faces, and may be formed from sintered BaTi4O9.
摘要翻译： 提供了一种波导，其包括细长介质内部区域和与电介质内部区域间隔开的导电外部区域。 电介质内部区域可以被布置为柔性的，并且在一些示例中可以由包含在聚合物管或矩阵中的粉末状电介质形成，或者在其它示例中可以由多个段形成。 在波导的一些示例中，每个段可以形成为具有透镜端面，并且可以由烧结的BaTiO4O9形成。
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公开(公告)号：US08362944B2
公开(公告)日：2013-01-29
申请号：US12504933
申请日：2009-07-17
CPC分类号： H01Q3/36 , G01S13/9035 , G01S2013/0254 , H01Q3/385 , H01Q21/0006 , H01Q21/22
摘要： A radar system is disclosed for forming a scanning receive beam from signals received by a phased array having a plurality of sub arrays. An exemplary radar system includes a plurality of phase units each configured to receive a signal from one or more sub arrays. Each phase unit includes a waveform generator configured to generate an analog waveform having a frequency corresponding to a time-varying phase shift. Each waveform generator is arranged to digitally generate the analog waveform, and output a comparison of the received signal with the waveform, incorporating the time-varying phase shift. The system further includes a combining unit configured to combine the outputs from the plurality of phase units to form a scanning receive beam.
摘要翻译： 公开了用于由具有多个子阵列的相控阵列接收的信号形成扫描接收波束的雷达系统。 示例性雷达系统包括多个相位单元，每个相位单元被配置为从一个或多个子阵列接收信号。 每个相位单元包括波形发生器，其被配置为产生具有对应于时变相移的频率的模拟波形。 每个波形发生器被布置成数字地产生模拟波形，并且输出接收信号与波形的比较，并结合时变相移。 该系统还包括组合单元，其被配置为组合来自多个相位单元的输出以形成扫描接收波束。
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公开(公告)号：US08248977B2
公开(公告)日：2012-08-21
申请号：US12303620
申请日：2008-04-09
申请人： Michael Harverson
发明人： Michael Harverson
CPC分类号： H04B7/18515
摘要： For selectively routing downlink frequency channels to downlink beams of a communications satellite, the inherent routing functionality of a normal bandwidth multiport amplifier (MPA) is exploited in conjunction with the grouped channel filter characteristics of an output multiplexer (OMUX). In this arrangement the guard bands inherent in the OMUX mitigate the poor inter-port isolation inherent in the MPA so that two low performance elements in combination can be used to achieve an improved performance at system level.
摘要翻译： 为了将下行链路频率信道选择性地路由到通信卫星的下行链路波束，正常带宽多端口放大器（MPA）的固有路由功能结合输出多路复用器（OMUX）的分组信道滤波器特性被利用。 在这种布置中，OMUX固有的保护频带可以减轻MPA中固有的差的端口间隔离，从而组合使用两个低性能元件来实现系统级的改进性能。
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公开(公告)号：US08208874B2
公开(公告)日：2012-06-26
申请号：US11794206
申请日：2007-05-04
IPC分类号： H01Q11/12
CPC分类号： H03F1/0244 , H03F1/0211 , H03F1/0222 , H03F1/0266 , H03F1/32 , H03F3/24 , H03F2200/105 , H03F2200/468 , H03F2201/3203
摘要： A Solid State Power Amplifier (SSPA) for powering a single element of a multi-element antenna, the SSPA comprising: an RF amplifier, having a signal amplifying path that includes preamplifier, driver amplifier and a power output stage; an Electronic Power Conditioner (EPC) for providing a variable value of DC voltage for powering the power output stage of the RF amplifier; a control ASIC for receiving an input power signal of the RF amplifier for providing a voltage control signal to the EPC to determine the value of the DC voltage, the control ASIC addressing an EEPROM holding a collection of control words that define output values of a control output signal for varying values of said input power, such that the value of the DC voltage to the power output stage is varied so as to control the gain compression of the RF amplifier for varying values of input power in order to maintain constant amplifier linearity.
摘要翻译： 一种固态功率放大器（SSPA），用于为多单元天线的单个元件供电，SSPA包括：具有包括前置放大器，驱动放大器和功率输出级的信号放大路径的RF放大器; 电子功率调节器（EPC），用于提供用于为RF放大器的功率输出级供电的DC电压的可变值; 用于接收RF放大器的输入功率信号的控制ASIC，用于向EPC提供电压控制信号以确定DC电压的值，控制ASIC寻址保存定义控制器的输出值的控制字集合的EEPROM 输出信号，用于改变所述输入功率的值，使得到功率输出级的DC电压的值被改变，以便控制用于改变输入功率值的RF放大器的增益压缩，以便保持恒定的放大器线性度。
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公开(公告)号：US08145966B2
公开(公告)日：2012-03-27
申请号：US12602941
申请日：2008-06-05
CPC分类号： H04L43/50 , H04M3/30 , H04M2201/18
摘要： A method and system of supporting and testing equipment distant from the support system are provided. The method includes the steps of forming a communications link between the equipment and the support system, using the support system to measure performance of the equipment and to provide a set of performance data, providing library data relating to the equipment, comparing the performance data with the library data and analysing the compared data whereby to provide a performance diagnosis of the equipment, all in a substantially continuous real time operation.
摘要翻译： 提供了一种支持和测试远离支撑系统的设备的方法和系统。 该方法包括以下步骤：在设备和支持系统之间形成通信链路，使用支持系统来测量设备的性能并提供一组性能数据，提供与设备相关的库数据，将性能数据与 图书馆数据和分析比较数据，从而提供设备的性能诊断，所有这些都是基本上连续的实时操作。
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公开(公告)号：US20110018758A1
公开(公告)日：2011-01-27
申请号：US12933285
申请日：2009-02-27
CPC分类号： H01Q1/002 , H01Q1/1207 , H01Q1/288 , H01Q19/17 , H01Q25/007
摘要： An antenna feed assembly is provided which includes at least two elongate feed chains lying adjacent one another. Each feed chain is adapted to transmit or receive electromagnetic radiation between itself and the antenna along a longitudinal feed axis thereof via a transmit/receive element. The feed chains are held in fixed lateral relationship to one another by first and second mountings spaced apart axially of the feed chains. The transmit/receive elements extend axially from the first mounting towards the antenna and the second mounting is positioned on a side of the first mounting remote from the antenna. The first mounting has a lower coefficient of thermal expansion in the lateral direction than the second mounting whereby translational movement of each transmit/receive element in the lateral direction owing to temperature change of the assembly will be reduced.
摘要翻译： 提供了一种天线馈送组件，其包括彼此相邻的至少两个细长馈电链。 每个馈送链适于通过发射/接收元件沿着其纵向馈送轴线在其与天线之间发射或接收电磁辐射。 通过供给链的轴向隔开的第一和第二安装件，进料链彼此保持固定的侧向关系。 发射/接收元件从第一安装件朝向天线轴向延伸，并且第二安装件位于远离天线的第一安装件的一侧。 第一安装件在横向上的热膨胀系数比第二安装件低，由于组件的温度变化，每个发射/接收元件在横向上的平移运动将会降低。
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公开(公告)号：US20100232350A1
公开(公告)日：2010-09-16
申请号：US12488248
申请日：2009-06-19
IPC分类号： H04B7/185
CPC分类号： H04B7/185 , H04B7/18515 , H04B7/1858
摘要： Apparatus for a satellite communication system, comprising: a processor arrangement to monitor a plurality of frequency channels demultiplexed from a signal comprising one or more carriers, identify at least one frequency channel of the plurality of frequency channels comprising interference and remove the at least one identified frequency channel before the one or more carriers are reformed. By removing the frequency channels comprising interference, the signal-to-noise ratio of a carrier can be improved. Also, if the interference occurs within a carrier, the carrier is usable as long as the removed frequency channels are considerably narrower than the carrier.
摘要翻译： 一种用于卫星通信系统的装置，包括：处理器装置，用于监视从包括一个或多个载波的信号解复用的多个频率信道，识别所述多个频率信道中的至少一个频率信道，包括干扰并移除所述至少一个识别的 重新形成一个或多个载体之前的频率信道。 通过去除包含干扰的频道，能够提高载波的信噪比。 此外，如果在载波内发生干扰，则载波可用，只要移除的频道相对于载波相当窄。
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公开(公告)号：US20100172437A1
公开(公告)日：2010-07-08
申请号：US12385920
申请日：2009-04-24
IPC分类号： H04L25/49
CPC分类号： H04L27/368 , H03F1/3241 , H03F1/3294
摘要： A signal pre-processor, for at least partially correcting non-linear performance of a high power amplifier (“HPA”), operates on an over-sampled signal in complex form in the digital domain. By converting the over-sampled signal to amplitude values, the pre-processor is enabled to apply correction values, based on the amplitude values, which correction values incorporate both amplitude and phase correction in respect of distortion generated in the HPA. The use of an over-sampled signal allows out-of-band correction values to be applied to correct out-of-band distortion arising in the signal processing path, for instance in the linearization process itself. The out-of-band distortion can otherwise alias back in-band, creating noise at the HPA.
摘要翻译： 用于至少部分校正大功率放大器（“HPA”）的非线性性能的信号预处理器在数字域中以复杂形式的过采样信号进行操作。 通过将过采样信号转换为振幅值，预处理器能够基于振幅值来应用校正值，该校正值包括关于在HPA中产生的失真的幅度和相位校正。 使用过采样信号允许使用带外校正值来校正信号处理路径中出现的带外失真，例如在线性化处理本身中。 带外失真可能会在带内复制，从而在HPA产生噪音。
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公开(公告)号：US20080278236A1
公开(公告)日：2008-11-13
申请号：US11794206
申请日：2007-05-04
IPC分类号： H03G3/10
CPC分类号： H03F1/0244 , H03F1/0211 , H03F1/0222 , H03F1/0266 , H03F1/32 , H03F3/24 , H03F2200/105 , H03F2200/468 , H03F2201/3203
摘要： A Solid State Power Amplifier (SSPA) for powering a single element of a multi-element antenna, the SSPA comprising:an RF amplifier, having a signal amplifying path that includes preamplifier, driver amplifier and a power output stage;an Electronic Power Conditioner (EPC) for providing a variable value of DC voltage for powering the power output stage of the RF amplifier;a control ASIC for receiving an input power signal of the RF amplifier for providing a voltage control signal to the EPC to determine the value of the DC voltage, the control ASIC addressing an EEPROM holding a collection of control words that define output values of a control output signal for varying values of said input power, such that the value of the DC voltage to the power output stage is varied so as to control the gain compression of the RF amplifier for varying values of input power in order to maintain constant amplifier linearity.
摘要翻译： 一种固态功率放大器（SSPA），用于为多单元天线的单个元件供电，SSPA包括：具有包括前置放大器，驱动放大器和功率输出级的信号放大路径的RF放大器; 电子功率调节器（EPC），用于提供用于为RF放大器的功率输出级供电的DC电压的可变值; 用于接收RF放大器的输入功率信号的控制ASIC，用于向EPC提供电压控制信号以确定DC电压的值，控制ASIC寻址保存定义控制器的输出值的控制字集合的EEPROM 输出信号，用于改变所述输入功率的值，使得到功率输出级的DC电压的值被改变，以便控制用于改变输入功率值的RF放大器的增益压缩，以便保持恒定的放大器线性度。
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公开(公告)号：US20080206534A1
公开(公告)日：2008-08-28
申请号：US10584407
申请日：2006-05-17
申请人： Paul Joseph Brooks
发明人： Paul Joseph Brooks
IPC分类号： B32B7/02
CPC分类号： B32B17/10018 , B32B27/36 , B64G1/54 , B64G1/58 , B64G1/66 , G02B5/281 , G02B5/282 , H01Q1/002 , H01Q1/28 , H01Q1/422 , Y10T428/261
摘要： A thermal control film for use in spacecraft having a multi-layer interference filter adapted to exhibit high reflectivity to solar radiation, low absorptivity across the microwave spectrum and high emissivity in the far infra-red. The film is free from metal and extends over the active face of an antenna carried by the spacecraft. Such a film exhibits the desired thermo-optical properties for a thermal control radiator surface and can be used over the active face of a communications or radar antenna without disrupting the RF signal.
摘要翻译： 一种用于航天器的热控膜，其具有适于对太阳辐射呈现高反射率的多层干涉滤光片，微波频谱上的低吸收率和远红外线中的高辐射率。 该电影没有金属，并延伸到由航天器携带的天线的主动面上。 这种膜对于热控散热器表面具有期望的热光学性能，并且可以在通信或雷达天线的有源面上使用，而不会中断RF信号。
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