Results 21 to 30 of about 781,157 (285)
Target Detection for Synthetic Aperture Radiometer Based on Satellite Formation Flight
Sensors, 2023 Synthetic aperture interferometers formed by satellite formations have been adopted to improve spatial resolution. Due to the limited number of satellites and limited integrated time, the use of sparse baselines can result in distorted reconstructed ...
Rui Li +4 more
doaj +1 more source
IET Radar, Sonar & Navigation, 2021 Deception jamming poses a fatal threat to the radar performance, and its jamming performance has been greatly improved through networking. However, available deception electronic counter‐countermeasure (ECCM) methods are mostly developed in the scenario ...
Shanshan Zhao, Ziwei Liu
doaj +1 more source
Detection of Potential Transit Signals in Sixteen Quarters of Kepler Mission Data [PDF]
, 2014 We present the results of a search for potential transit signals in four years of photometry data acquired by the Kepler Mission. The targets of the search include 111,800 stars which were observed for the entire interval and 85,522 stars which were ...
Barclay, Thomas +27 more
core +1 more source
Camouflage Target Recognition Based on Dimension Reduction Analysis of Hyperspectral Image Regions
Photonics, 2022 Hyperspectral reconnaissance technology can realize three-dimensional reconnaissance by using target space and spectral information, which effectively improves the efficiency of battlefield reconnaissance.
Jiale Zhao +4 more
doaj +1 more source
Joint Tracking and Recognition Method for Ballistic Targets and False Targets Based on Fine Difference Feature Estimation of Motion Pattern Set [PDF]
Hangkong bingqiAiming at the difficulty of tracking and recognizing ballistic targets and active multi-false targets in the presence of countermeasures, a joint tracking and recognition method for ballistic targets and false targets based on the robust interacting ...
Cai Guiquan, Rao Bin, Song Dan
doaj +1 more source
Finding evolved stars in the inner Galactic disk with Gaia [PDF]
, 2017 The Bulge Asymmetries and Dynamical Evolution (BAaDE) survey will provide positions and line-of-sight velocities of ~20,000 evolved, maser bearing stars in the Galactic plane. Although this Galactic region is affected by optical extinction, BAaDE targets
Brown, A. G. A. +4 more
core +3 more sources
Recognition method of dense false targets jamming based on time-frequency atomic decomposition
The Journal of Engineering, 2019 Dense false target jamming can affect radar detection performance severely. A method of dense false targets jamming recognition based on time-frequency atomic decomposition theory and support vector machine (SVM) is proposed to solve the difficulty of ...
Zhimei Hao, Wen Yu, Wei Chen
doaj +1 more source
Multi-Scene Deception Jamming on SAR Imaging With FDA Antenna
IEEE Access, 2020 Most of the existing deception jamming techniques focus on designing effective jamming signals for static targets or scenes. This paper proposes a multi-scene deception jamming against synthetic aperture radar (SAR) imaging with frequency diverse array ...
Hui Wang +5 more
doaj +1 more source
Remote Sensing, 2022 Due to advantages such as low power consumption and high concealment, deceptive jamming against synthetic aperture radar (SAR) has received extensive attention in electronic countermeasures.
Dongyang Cheng +4 more
doaj +1 more source
Using the False Claims Act to Remedy Tax-Expenditure Fraud [PDF]
, 2016 The federal False Claims Act (FCA) may be a tool for combating fraudulent claims regarding tax expenditures. The FCA has been used to protect the public fisc by imposing liability upon anyone who makes a false or fraudulent claim relating to an ...
Ayres, Ian, McGuire, Robert
core +4 more sources