Hardware accelerated range Doppler algorithm for SAR data processing using Zynq processor
Sign Up to like & getrecommendations! Published in 2020 at "Circuit World"
DOI: 10.1108/cw-02-2020-0031
Abstract: Purpose Synthetic aperture radar (SAR) imaging is the most computational intensive algorithm and this makes its implementation challenging for real-time application. This paper aims to present the chirp-scaling algorithm (CSA) for real-time SAR applications, using… read more here.
Keywords: processor; algorithm; doppler algorithm; time ... See more keywords
Joint Range-Doppler-Angle Estimation for Intelligent Tracking of Moving Aerial Targets
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DOI: 10.1109/jiot.2017.2787785
Abstract: In the new era of integrated computing with intelligent devices and system, moving aerial targets can be tracked flexibly. The estimation performance of traditional matched filter-based methods would deteriorate dramatically for multiple targets tracking, since… read more here.
Keywords: angle; intelligent tracking; estimation; doppler ... See more keywords
A Three-Dimensional Deep Learning Framework for Human Behavior Analysis Using Range-Doppler Time Points
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2019.2930636
Abstract: Deep neural networks have shown promise in the radar-based human activity analysis application. Different from existing deep learning models that take either micro-Doppler spectrograms or range profiles as their input, the proposed method can process… read more here.
Keywords: doppler; analysis; range doppler; time points ... See more keywords
Joint Range-Doppler Estimation Based on Multipulse Processing of Composite Hyperbolic Frequency Modulated Waveforms
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Signal Processing Letters"
DOI: 10.1109/lsp.2022.3144833
Abstract: We herein investigate the joint estimation of range and Doppler based on multipulse processing of composite hyperbolic frequency-modulated (HFM) waveforms. The composite HFM waveform solves the range bias problem in the HFM waveform by using… read more here.
Keywords: multipulse processing; based multipulse; processing composite; range doppler ... See more keywords
High-Resolution Range-Doppler Maps by Coherent Extension of Narrowband Pulses
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2020.2965754
Abstract: The range resolution of radar is inversely proportional to the swept bandwidth. However, this bandwidth may not be available due to a variety of reasons, including spectrum congestion and lack of instantaneous bandwidth despite access… read more here.
Keywords: resolution; range; narrowband; range resolution ... See more keywords
Low-Complexity Iterative Adaptive Approach Based on Range–Doppler Matched Filter Outputs
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2022.3188742
Abstract: This article presents a computationally efficient iterative adaptive approach based on range–Doppler matched filter outputs for sidelobe suppression and range–Doppler imaging. A sidelobe suppression scheme, named as dimension reduction based fast iterative adaptive approach (DR-FIAA),… read more here.
Keywords: iterative adaptive; range doppler; range; adaptive approach ... See more keywords
Sequential-Based Range-Doppler Estimation With Fast and Slow Time Sub-Nyquist Sampling
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2022.3167550
Abstract: Range-Doppler detection with pulse sequences exists widely in Radar, sonar, ultrasound imaging, and many other engineering applications. However, the classic methods require a high sampling rate for wideband pulses, and the Doppler estimation with slow… read more here.
Keywords: doppler estimation; doppler; time; range doppler ... See more keywords
A Range-Doppler Method for Focusing Radar Sounder Data Generated by Coherent Electromagnetic Simulators
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3201047
Abstract: Radar sounders (RSs) are gaining importance in planetary missions thanks to their unique capability of providing direct measurements of subsurface (SS) structures. To support their design and data interpretation, several electromagnetic (e.m.) simulation techniques have… read more here.
Keywords: range doppler; data generated; radar; method ... See more keywords
Pseudo-Spectrum Based Speed Square Filter for Track-Before-Detect in Range-Doppler Domain
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Signal Processing"
DOI: 10.1109/tsp.2019.2943256
Abstract: Track-before-detect (TBD) in range-Doppler plane is of significance for Doppler radars. Existing methods suffer from approximate motion models in range-Doppler plane and inefficiency of energy integration. In this paper, an accurate evolution equation of target… read more here.
Keywords: speed square; pseudo spectrum; range doppler; doppler ... See more keywords
Motion Modeling and State Estimation in Range-Squared Coordinate
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Signal Processing"
DOI: 10.1109/tsp.2022.3220021
Abstract: In some target tracking applications, angle measurements are absent due to sensor characteristics, which makes Cartesian states unobservable for a single stationary sensor. When multi-sensor target tracking techniques with only range or Doppler measurements are… read more here.
Keywords: state; range squared; squared coordinate; range doppler ... See more keywords
Range and Doppler Cell Migration in Wideband Automotive Radar
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2019.2912852
Abstract: The automobile industry has a strategic intent to develop vehicles capable of higher and higher levels of autonomy. Radar is a key sensing component, being the only viable option for all weather, 24-hour-a-day use. Autonomy… read more here.
Keywords: cell migration; doppler; range; doppler cell ... See more keywords