公开(公告)号：US20140320346A1

公开(公告)日：2014-10-30

申请号：US14262143

申请日：2014-04-25

Applicant: THALES ,  DAS PHOTONICS S.L

Inventor： Gerard CAILLE ,  Michel SOTOM ,  Miguel Angel PIQUERAS RUIPEREZ ,  Teresa MENGUAL CHULIA

IPC: G02B6/28 ,  G02B6/293 ,  H01Q3/26

CPC classification number: G02B6/28 ,  G02B6/29386 ,  H01Q3/2676

Abstract: A distributed feeding circuit for antenna beamforming array comprises a plurality N of inputs and a plurality N of outputs, wherein the said circuit is adapted for receiving, on at least one input, an electrical signal at a microwave frequency, modulated on at least one optical carrier, the circuit comprising at least one assembly of at least two optical dividers, two delay lines of length zero or substantially equal to a fraction of the wavelength of the signal at its microwave frequency and two means for combining two optical signals, the assembly being arranged and the delay lines being configured so that the theoretical transfer function of the circuit is an orthogonal matrix.

Abstract translation: 用于天线波束成形阵列的分布馈电电路包括多个N个输入端和多个N个输出端，其中所述电路适于在至少一个输入端接收以微波频率调制在至少一个光学器件上的电信号 所述电路包括至少两个光分配器的至少一个组件，长度为零或基本上等于其微波频率处的信号的波长的一部分的两条延迟线，以及用于组合两个光学信号的两个装置，所述组件是 并且延迟线被配置为使得电路的理论传递函数是正交矩阵。

公开(公告)号：US20140320345A1

公开(公告)日：2014-10-30

申请号：US14261965

申请日：2014-04-25

Applicant: THALES

Inventor： Gerard CAILLE ,  Michel SOTOM

IPC: H01Q3/40

CPC classification number: H01Q3/40 ,  H01Q3/2676

Abstract: A distributed feeding device for antenna beamforming comprises a first distributed feeding circuit comprising P inputs and N outputs, for producing a signal on each of its outputs with a phase shift which is substantially constant between two adjacent outputs, at least one frequency multiplexer connected to at least one input of the said first circuit, a number N of frequency demultiplexers each connected, by their input, to an output of the first circuit and a second distributed feeding means comprising a plurality of inputs, each connected to an output of one of the frequency demultiplexers, and a plurality of outputs, the second distributed feeding means comprising at least one second distributed feeding circuit comprising Q inputs and M outputs, for producing a signal on each output with a phase shift which is substantially constant between two adjacent outputs, the integers P, N, Q and M being equal or distinct.

Abstract translation: 用于天线波束成形的分布馈电装置包括：第一分配馈电电路，包括P输入端和N输出端，用于在其输出端产生信号，其相移在两相邻输出之间基本恒定;至少一个频率多路复用器 所述第一电路的至少一个输入端，数量为N的频率解复用器，其各自通过其输入连接到第一电路的输出端，第二分配馈电装置包括多个输入端，每个输入端连接到 频率解多路复用器和多个输出，所述第二分配馈送装置包括至少一个包括Q个输入和M个输出的第二分配馈电电路，用于在每个输出端产生一个在两个相邻输出之间基本恒定的相移， 整数P，N，Q和M相等或不同。