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Distributed array for direction and frequency finding

A technology of optical detectors and phased array antennas, which is applied in space transmit diversity, 2D image generation, diversity/multi-antenna systems, etc., and can solve problems such as the inability to detect the position and frequency of incident RF

Active Publication Date: 2018-06-08
PHASE SENSITIVE INNOVATIONS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Many existing antenna arrays are unable to detect the location and frequency of an incident RF (radio frequency) signal without significant filtering or other processing

Method used

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  • Distributed array for direction and frequency finding
  • Distributed array for direction and frequency finding
  • Distributed array for direction and frequency finding

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Embodiment Construction

[0034] The present disclosure will now be described more fully hereinafter with reference to the accompanying drawings, in which various exemplary embodiments are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the example exemplary embodiments set forth herein. These example exemplary embodiments are exemplary only, and many embodiments and variations are possible that do not require the details provided herein. It should also be emphasized that this disclosure provides details of alternative examples, but this list of alternatives is not exhaustive. Furthermore, any consistency of detail between the various examples should not be construed as requiring such detail, it being impractical to list every possible variation of every feature described herein. Reference should be made to the language of the claims when determining the requirements of the invention.

[0035]Although the drawings described herein may ...

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Abstract

An optical imaging system and method that reconstructs RF sources in k-space by utilizing interference amongst modulated optical beams. The system and method involves recording with photodetectors theinterference pattern produced by RF -modulated optical beams conveyed by optical fibers having unequal lengths. The photodetectors record the interference, and computational analysis using known tomography reconstruction methods is performed to reconstruct the RF sources in k-space.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application No. 62 / 200,626, filed August 3, 2015, the entire contents of which are incorporated herein by reference. technical field [0003] The subject matter and related exemplary embodiments described herein relate to improvements and extensions to imaging receivers as described in U.S. Patent No. 7,965,435 and U.S. Patent Publication No. 2016 / 0006516, the disclosures of each of which are incorporated by reference in their entirety. into this article. Background technique [0004] Many existing antenna arrays are unable to detect the location and frequency of an incident RF (radio frequency) signal without significant filtering or other processing. In such systems, received broadband radiation is divided into multiple narrowband channels, which are processed individually to determine the information content and, possibly, the angle of arrival (AoA) of the received...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T11/00G01D5/48G02F1/01
CPCH04B10/00H04B2210/006H04B10/11H04B10/60H04B7/08
Inventor J·木拉蔻希C·许茨G·施奈德守源·史
Owner PHASE SENSITIVE INNOVATIONS