Results 31 to 40 of about 22,377,175 (350)
Remote Sensing, 2022 Digital beamforming (DBF) TOPS SAR in elevation is a new synthetic aperture radar (SAR) system, which has the advantage of wide swath coverage and a high signal-to-noise ratio (SNR).
Zhiyong Suo +5 more
doaj +1 more source
Investigation on Multimode SAR Imaging Based on Digital Array Radar
Leida xuebao, 2014 Digital Array Radar (DAR) has the ability of simultaneous multimode imaging and has many potential applications. This paper firstly introduces the basic hardware structure and the operation principle of DAR.
Li Xue-shi +4 more
doaj +1 more source
Imaging Algorithm for Rotor Synthetic Aperture Radar Using Stepped-frequency Waveform
Leida xuebao, 2014 For ROtor Synthetic Aperture Radar (ROSAR) using the stepped-frequency waveform, an imaging method based on Range Migration Correction (RMC) for ROSAR is proposed.
Zeng Cao +3 more
doaj +1 more source
Bistatic MIMO Radar Clutter Suppression by Exploiting the Transmit Angle
Leida xuebao, 2014 The transmit angle of bistatic radars can be obtained by introducing Multiple-Input Multiple-Output (MIMO) radar techniques. The Three-Dimensional (3D) clutter spectra, that is, the transmit angle, receive angle, and Doppler frequency, are introduced ...
Li Jun +3 more
doaj +1 more source
Joint design of transmit beamspace and reduced‐dimension receiver filter for MIMO radar STAP
IET Radar, Sonar & Navigation, 2021 In this article, the problem of the transmit beamspace (TB) matrix design in multiple‐input multiple‐output (MIMO) radar is considered. To reduce the computational burden and to focus the energy within optimal spatial sector, a joint design method of the
Xiaojiao Pang +4 more
doaj +1 more source
An Overview of Signal Processing Techniques for Terahertz Communications [PDF]
Proceedings of the IEEE, 2020 Terahertz (THz)-band communications are a key enabler for future-generation wireless communication systems that promise to integrate a wide range of data-demanding applications.
Hadi Sarieddeen +2 more
semanticscholar +1 more source
Rotating Interferometer-based Algorithm for Parameter Estimation of Near-field Source
Leida xuebao, 2015 This paper proposes a novel rotating interferometer-based algorithm for parameter estimation of nearfield source. The algorithm exploits the rotation of a single long baseline interferometer and the integration operation of the phase to unwrap the phase ...
Ma Jing-tao +3 more
doaj +1 more source
MIMO radar techniques: two-stage constant false alarm rate detection for fast-fluctuating targets
The Journal of Engineering, 2019 Here, the authors analyse a two-step constant false alarm rate (CFAR) detection problem in distributed sensor system (e.g. statistical multiple-input multiple-output (MIMO) radar) for fast-fluctuating targets (TS-AMF-II).
Zhihua Li +3 more
doaj +1 more source
MEO SAR Imaging Based on Imaging Coordinate System Optimization
Leida xuebao, 2020 In the Medium-Earth-Orbit Synthetic Aperture Radar (MEO SAR), the curved trajectory and long synthetic aperture time lead to a two-dimensional spatial variation in the signals.
Hang LI +5 more
doaj +1 more source
A Survey of Encoding Techniques for Signal Processing in Spiking Neural Networks
Neural Processing Letters, 2021 Biologically inspired spiking neural networks are increasingly popular in the field of artificial intelligence due to their ability to solve complex problems while being power efficient.
Daniel Auge +3 more
semanticscholar +1 more source