公开(公告)号：WO2016085554A2

公开(公告)日：2016-06-02

申请号：PCT/US2015/048708

申请日：2015-09-04

Applicant: THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY

Inventor： MCMILIN, Emily ,  DE LORENZO, David, S. ,  ENGE, Per, K. ,  AKOS, Dennis, M.

IPC: H01Q15/24

CPC classification number: G01S19/21 ,  G01S19/215 ,  G01S19/36

Abstract: In some example embodiments, there is provided an apparatus comprising an antenna configured to receive a signal from a global navigation satellite system, wherein the antenna includes a first feed and a second feed; a hybrid coupler including a first hybrid input, a second hybrid input, a first hybrid output, a second hybrid output, wherein the first hybrid input is coupled to the first feed, the second hybrid input is coupled to the second feed, and wherein the first hybrid output is shifted in phase by 90 degrees relative to the second hybrid output; a variable phase shifter including a shifter input and a shifter output, wherein the shifter input is coupled to the first hybrid output, wherein variable phase shifter is configured to induce an additional phase shift; and a combiner including a first combiner input, a second combiner input, and a combiner output, wherein the first combiner input is coupled to the shifter output, and the second combiner input is coupled to the second hybrid output, and wherein the combiner output represents a combined right hand circularly polarized signal and left hand circularly polarized signal, wherein the combiner output is provided to detection circuitry. Related systems, methods, and articles of manufacture are also disclosed.

Abstract translation: 在一些示例性实施例中，提供了一种包括被配置为从全球导航卫星系统接收信号的天线的装置，其中所述天线包括第一馈送和第二馈送; 混合耦合器，包括第一混合输入，第二混合输入，第一混合输出，第二混合输出，其中第一混合输入耦合到第一馈送，第二混合输入耦合到第二馈源，并且其中 第一混合输出相对于第二混合输出相位相移90度; 包括移位器输入和移位器输出的可变移相器，其中所述移位器输入耦合到所述第一混合输出，其中可变移相器被配置为引起附加相移; 以及组合器，其包括第一组合器输入，第二组合器输入和组合器输出，其中所述第一组合器输入耦合到所述移位器输出，并且所述第二组合器输入耦合到所述第二混合输出，并且其中所述组合器输出表示 组合的右手圆偏振信号和左旋圆偏振信号，其中组合器输出被提供给检测电路。 还公开了相关系统，方法和制品。