Search Results - "Abratkiewicz, Karol"

Radar Detection-Inspired Signal Retrieval from the Short-Time Fourier Transform by Abratkiewicz, Karol

“…This paper presents a novel adaptive algorithm for multicomponent signal decomposition from the time–frequency (TF) plane using the short-time Fourier…”
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A Block Method Using the Chirp Rate Estimation for NLFM Radar Pulse Reconstruction by Abratkiewicz, Karol, Samczyński, Piotr

“…This paper presents a novel approach to fast and accurate non-linear pulse signal reconstruction dedicated for electromagnetic sensors and their applications…”
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Gridless High-Order Target Kinematic Parameter Estimation in Passive Radars-From Cross-Ambiguity Function to Zak Transform by Abratkiewicz, Karol, Gajo, Zbigniew

“…This article deals with practical considerations on signal processing in passive radars. First, the Zak transform is used to approximate the cross-ambiguity…”
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Real-Time Variants of Vertical Synchrosqueezing: Application to Radar Remote Sensing by Abratkiewicz, Karol, Gambrych, Jacek

“…This article presentsthorough research on using high-order vertical synchrosqueezing (VSS) in different radar remote sensing applications. The method well…”
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Target Acceleration Estimation in Active and Passive Radars by Abratkiewicz, Karol, Malanowski, Mateusz, Gajo, Zbigniew

“…Flying targets are becoming increasingly maneuverable, contributing to the growing problem of their detection with active and passive radars. Rapid…”
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Target Doppler Rate Estimation Based on the Complex Phase of STFT in Passive Forward Scattering Radar by Abratkiewicz, Karol, Krysik, Piotr, Gajo, Zbigniew, Samczyński, Piotr

“…This article presents a novel approach to the estimation of motion parameters of objects in passive forward scattering radars (PFSR). In such systems, most…”
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The Use of the Reassignment Technique in the Time-Frequency Analysis Applied in VHF-Based Passive Forward Scattering Radar by Płotka, Marek, Abratkiewicz, Karol, Malanowski, Mateusz, Samczyński, Piotr, Kulpa, Krzysztof

“…This paper presents the application of the time-frequency (TF) reassignment technique in passive forward scattering radar (FSR) using Digital Video…”
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Rényi Entropy-Based Adaptive Integration Method for 5G-Based Passive Radar Drone Detection by Maksymiuk, Radosław, Abratkiewicz, Karol, Samczyński, Piotr, Płotka, Marek

“…This paper presents the first successful drone detection results using a 5G network as a source of illumination in a passive radar system. Furthermore, a novel…”
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SSB-Based Signal Processing for Passive Radar Using a 5G Network by Abratkiewicz, Karol, Ksiezyk, Adam, Plotka, Marek, Samczynski, Piotr, Wszolek, Jacek, Zielinski, Tomasz P.

“…This paper presents an alternative processing chain for the passive radar using fifth-generation (5 G) standard technology for broadband cellular networks as…”
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3-D High-Resolution ISAR Imaging for Noncooperative Air Targets by Baczyk, Marcin Kamil, Samczynski, Piotr, Drozdowicz, Jedrzej, Wielgo, Maciej, Sobolewski, Jakub, Ciesielski, Marek, Julczyk, Jakub, Stasiak, Krzysztof, Pietrzykowski, Grzegorz, Abratkiewicz, Karol, Soszka, Maciej

“…This article uses the inverse synthetic aperture radar (ISAR) imaging method to present real-world tests on 3-D radar imaging of noncooperative air targets…”
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Corrections to "Multitaper ISAR Noise Suppression" by Abratkiewicz, Karol

“…Presents corrections to the paper, (Corrections to "Multitaper ISAR Noise Suppression")…”
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Multitaper ISAR Noise Suppression by Abratkiewicz, Karol

“…This article presents a robust technique for inverse synthetic aperture radar (ISAR) image enhancement using bivariate multitaper spectrum estimation with…”
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Windowed Two-Dimensional Fourier Transform Concentration and Its Application to ISAR Imaging by Abratkiewicz, Karol

“…This paper presents a novel non-parametric technique for two-dimensional spectrum readability enhancement. The approach is based on relocating a windowed…”
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On the Instantaneous Angular Jerk Estimation in the Time-Frequency Domain by Abratkiewicz, Karol

“…In this letter, a novel angular jerk estimator (AJE) in the time-frequency (TF) domain is proposed. For this purpose, the properties of the short-time Fourier…”
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Radar Pulse Signal Filtering Using Vertical Synchrosqueezing by Abratkiewicz, Karol, Samczynski, Piotr

“…This paper presents a method for multipath propagation effect suppression in electronic reconnaissance applications when frequency modulated radar pulses are…”
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Vertical Synchrosqueezing for High-Resolution Radar Imaging by Abratkiewicz, Karol, Drozdowicz, Jedrzej, Samczynski, Piotr

“…This article presents a novel approach to inverse synthetic aperture radar (ISAR) image enhancement using time-frequency (TF) vertical synchrosqueezing (VSS)…”
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Radar Signal Parameters Estimation Using Phase Accelerogram in the Time-Frequency Domain by Abratkiewicz, Karol, Samczynski, Piotr, Czarnecki, Krzysztof

“…Radar signal parameter estimation, in the context of the reconstruction of the received signal in a passive radar utilizing other radars as a source of…”
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Multipath Interference Removal in Receivers of Linear Frequency Modulated Radar Pulses by Abratkiewicz, Karol, Samczynski, Piotr Jerzy, Rytel-Andrianik, Rafal, Gajo, Zbigniew

“…The article describes algorithms for the retrieval of linear frequency modulated (LFM) pulses from a received signal which is corrupted by noise and multipath…”
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Rammstein Concert-Induced Seismicity Signal Filtering by Time-Frequency Analysis by Mendecki, Maciej J., Abratkiewicz, Karol

“…In this letter, the focus is on vibration related to Rammstein concerts, which took place in July 2023 at the Silesian Stadium, Poland. First, the…”
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An Adaptive Spectrogram and Accelerogram Algorithm for Electronic Warfare Applications by Abratkiewicz, Karol, Samczynski, Piotr

“…This paper presents a novel adaptive approach to spectrogram and accelerogram calculation based on the signal chirp rate (CR). Such a method may be useful in…”
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