2022
DOI: 10.3390/signals3030034
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Compressive Sensing Based Space Flight Instrument Constellation for Measuring Gravitational Microlensing Parallax

Abstract: In this work, we provide a compressive sensing architecture for implementing on a space based observatory for detecting transient photometric parallax caused by gravitational microlensing events. Compressive sensing (CS) is a simultaneous data acquisition and compression technique, which can greatly reduce on-board resources required for space flight data storage and ground transmission. We simulate microlensing parallax observations using a space observatory constellation, based on CS detectors. Our results s… Show more

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“…The comprehensive frequency characteristic weight of the central pixel (i, j) was then obtained by synthesizing the frequency gradient. The frequency-aware weighted feature (FAWF) was calculated through (8).…”
Section: ๐‘– ๐‘—mentioning
confidence: 99%
See 1 more Smart Citation
“…The comprehensive frequency characteristic weight of the central pixel (i, j) was then obtained by synthesizing the frequency gradient. The frequency-aware weighted feature (FAWF) was calculated through (8).…”
Section: ๐‘– ๐‘—mentioning
confidence: 99%
“…CS is widely applied in magnetic resonance imaging (MRI) [5], hyperspectral imaging [6], wireless communications [7], space flight [8], and so on. However, these fields are still pursuing higher speeds and better reconstruction performance.…”
Section: Introductionmentioning
confidence: 99%