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公开(公告)号：US20120223787A1
公开(公告)日：2012-09-06
申请号：US13410509
申请日：2012-03-02
IPC分类号： H03H7/20
摘要： A high-frequency phase shifter 1 for varying the phase between its high-frequency input signal and its output signal by the transmission phase Φ, consisting of a two-port network 2 which is symmetrical in relation to input and output and which with respect to its high-frequency properties consists of three two-terminal networks 5 consisting of low-loss reactances 8, wherein at least one of the two-terminal networks 5 is arranged in a series circuit as a two-terminal network 6 in series with one of the connecting ports 23 and at least one of the two-terminal networks 5 is arranged in a parallel circuit as a two-terminal network 7 in parallel with the two-port earth 9, so that a symmetrical T-circuit 24 or a symmetrical π circuit 25 is provided.
摘要翻译： 一种高频移相器1，用于通过传输相位Φ来改变其高频输入信号与其输出信号之间的相位，由相对于输入和输出对称的双端口网络2组成，并且相对于 其高频特性由三个由低损耗电抗8组成的两个终端网络5组成，其中两个终端网络5中的至少一个被布置在串联电路中，作为两个终端网络6，串联电路与 连接端口23和两端网络5中的至少一个被布置在与双端口地线9并联的并联电路中作为两端网络7，使得对称T电路24或对称＆pgr ; 提供电路25。
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公开(公告)号：US20090073072A1
公开(公告)日：2009-03-19
申请号：US12206284
申请日：2008-09-08
摘要： There is disclosed an antenna for reception of circularly polarized satellite radio signals. The antenna comprises at least one two-dimensional or three-dimensional antenna conductor structure connected with an antenna output connector. The multi-dimensional antenna conductor structure is configured so that it comprises a plurality of antenna conductor sections, which, with reference to a spatial reference point (z) common to the antenna conductor sections, are disposed in pairs, symmetrically and extending in the same direction. The multi-dimensional antenna conductor structure is furthermore configured so that during reciprocal operation of the antenna as a transmission antenna, antenna currents having at least approximately the same size flow in the individual pairs of antenna conductor sections, and the arithmetical average of the current phases of these antenna currents, counted in the same direction, in each instance, in the antenna conductor sections of each pair, has at least approximately the same value in the case of essentially all the pairs of antenna conductor sections, with reference to a common phase reference point (B), during reciprocal operation of the antenna as a transmission antenna. Such an antenna receives left-rotating circularly polarized waves and right-rotating circularly polarized waves equally. The vertical radiation diagram can be filled up towards low elevation angles by means of a vertical, electrically short monopole disposed at the phase reference point (B), whose reception signal is superimposed on that of the antenna conductor structure.
摘要翻译： 公开了用于接收圆偏振卫星无线电信号的天线。 天线包括与天线输出连接器连接的至少一个二维或三维天线导体结构。 多维天线导体结构被构造成使得它包括多个天线导体部分，其相对于天线导体部分共用的空间参考点（z）成对地对称地设置并在其中延伸 方向。 此外，多维天线导体结构被配置为使得在作为发送天线的天线的往复操作期间，在各对天线导体部分中具有至少大致相同尺寸的天线的电流以及当前阶段的算术平均值 在每一对的天线导体部分中，在相同方向上计数的这些天线电流在基本上所有的天线导体部分对的情况下至少具有相同的值，参考公共相位 参考点（B），在作为发送天线的天线的倒数操作期间。 这样的天线平均接收左旋圆偏振波和右旋圆极化波。 可以通过设置在相位参考点（B）处的垂直的电短单极子将垂直辐射图填充到低仰角，其接收信号与天线导体结构的接收信号叠加。
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公开(公告)号：US20120050120A1
公开(公告)日：2012-03-01
申请号：US13091313
申请日：2011-04-21
IPC分类号： H01Q11/04
CPC分类号： H01Q1/3275 , H01Q7/00 , H01Q7/005 , H01Q21/24 , H01Q21/29
摘要： Aerial for the reception of circularly polarised satellite radio signals comprising at least one substantially horizontally oriented conductor loop arranged over a conductive base surface, having an assembly for electromagnetic excitation of the conductor loop connected to an aerial connection. The conductor loop is designed as a loop emitter by a polygonal or circularly closed loop extending in a horizontal plane of height h above the conductive base surface. The loop emitter forms a resonant structure and is electrically excited by the electromagnetic exciter in such a way that on the loop the current distribution of a travelling line wave occurs in one direction of rotation only, of which the phase difference over one revolution is M*2π, where M is an integer and has at least a value of M=2. To facilitate the vertically oriented fractions of the electromagnetic field, there is at least one emitter which extends vertically at the circumference of the loop emitter and to the conductive base surface and which is electromagnetically coupled to both the loop emitter and the electrically conductive base surface. The height h is lower than 1/5 of the free-space wavelength λ.
摘要翻译： 用于接收圆极化卫星无线电信号的天线，包括布置在导电基面上的至少一个基本上水平定向的导体环，具有用于电连接到空中连接的导体环的电磁激励的组件。 导体环通过在导电基底表面上方的高度h的水平平面中延伸的多边形或圆形闭环来设计为环形发射器。 环形发射器形成谐振结构，并由电磁激励器电激励，使得在环路上，行进线波的电流分布仅在一个旋转方向上发生，其中一圈的相位差为M * 2＆pgr，其中M是整数并且具有至少M = 2的值。 为了促进电磁场的垂直取向部分，存在至少一个发射器，其在环形发射器的圆周处垂直延伸并且到达导电基底表面，并且电磁耦合到环形发射器和导电基底表面。 高度h低于自由空间波长λ的1/5。
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