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    Wyświetlanie 1-9 z 9
    Tytuł:
    Algorithm for Target Tracking Using Passive Radar
    Autorzy:
    Malanowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/226412.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    passive coherent location
    passive bistatic radar
    target tracking
    Opis:
    In the paper the problem of target tracking in passive radar is addressed. Passive radar measures bistatic parameters of a target: bistatic range and bistatic velocity. The aim of the tracking algorithm is to convert the bistatic measurements into Cartesian coordinates. In the paper a two-stage tracking algorithm is presented, using bistatic and Cartesian tracking. In addition, a target localization algorithm is applied to initialize Cartesian tracks from bistatic measurements. The tracking algorithm is tested using simulated and real data. The real data were obtained from an FM-based passive radar called PaRaDe, developed at Warsaw University of Technology.
    Źródło:
    International Journal of Electronics and Telecommunications; 2012, 58, 4; 345-350
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Target Detection in Continuous-Wave Noise Radar in the Presence of Impulsive Noise
    Autorzy:
    Malanowski, M.
    Kulpa, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1505196.pdf
    Data publikacji:
    2011-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    84.40.Xb
    Opis:
    In the paper a problem of target detection in continuous-wave noise radar in the presence of impulsive external noise is addressed. Noise radar uses random or pseudo-random waveform as a sounding signal. Classical correlation receiver used in noise radar is optimal for external noise with Gaussian distribution. If the external noise has distribution different than Gaussian, for example impulsive noise, the performance of the detection is degraded. In order to restore the sensitivity lost due to the impulsive noise, a robustification method is proposed. In the method, a nonlinear function is applied to the signal in order to remove the outliers. The method is verified on real-life signals.
    Źródło:
    Acta Physica Polonica A; 2011, 119, 4; 467-472
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reconstruction of the Reference Signal in DVB-T-based Passive Radar
    Autorzy:
    Baczyk, M. K.
    Malanowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/226577.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    passive radar
    passive coherent location
    DVB-T
    Opis:
    In the paper the problem of decoding of digital television signal and its reconstruction for the purpose of using it in passive radar is presented. The main focus is the reconstruction of the signal using a general purpose receiver, not dedicated to digital television signal reception. The performance of the proposed method is verified on simulated and real-life signals.
    Źródło:
    International Journal of Electronics and Telecommunications; 2011, 57, 1; 43-48
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Passive Radar Parallel Processing Using General-Purpose Computing on Graphics Processing Units
    Autorzy:
    Szczepankiewicz, K.
    Malanowski, M.
    Szczepankiewicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/226475.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    PCL
    passive coherent location
    parallel implementation
    NVIDIA CUDA
    Opis:
    In the paper an implementation of signal processing chain for a passive radar is presented. The passive radar which was developed at the Warsaw University of Technology, uses FM radio and DVB-T television transmitters as ”illuminators of opportunity”. As the computational load associated with passive radar processing is very high, NVIDIA CUDA technology has been employed for effective implementation using parallel processing. The paper contains the description of the algorithms implementation and the performance results analysis.
    Źródło:
    International Journal of Electronics and Telecommunications; 2015, 61, 4; 357-363
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Radar and Optical Images Fusion Using Stripmap SAR Data with Multilook Processing
    Autorzy:
    Kulpa, K.
    Malanowski, M.
    Misiurewicz, J.
    Samczynski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/226571.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Synthetic Aperture Radar (SAR)
    focused SAR
    multilook
    multilook colour mapping
    data fusion
    Opis:
    The paper presents the real-life data results of SAR and optical images data fusion. The fusion has been carried out for SAR images obtained in stripmap SAR mode using multilook processing with different methods of final image creation. The aim of the fusion was to enhance the target recognition capabilities on the Earth surface for a simple single-channel SAR receiver.
    Źródło:
    International Journal of Electronics and Telecommunications; 2011, 57, 1; 37-42
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimental Results of High-Resolution ISAR Imaging of Ground-Moving Vehicles with a Stationary FMCW Radar
    Autorzy:
    Kulpa, J. S.
    Malanowski, M.
    Gromek, D.
    Samczyński, P.
    Kulpa, K.
    Gromek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/226701.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    SAR
    ISAR
    FMCW
    radar imaging
    Opis:
    In the paper experimental results of ISAR (Inverse Synthetic Aperture Radar) processing obtained with highresolution radar are presented. Targets under observation were ground moving vehicles, such as cars, trucks and tractors. The experiments were performed with a FMCW (FrequencyModulated Continuous-Wave) radar operating at 94 GHz with almost 1 GHz of bandwidth. Due to the measurement scenario more typical for SAR (Synthetic Aperture Radar), than ISAR, i.e. targets moving along straight line crossing the antenna beam, algorithms usually applied for SAR processing have been used.
    Źródło:
    International Journal of Electronics and Telecommunications; 2013, 59, 3; 293-299
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Implementation and Results of New High Resolution SAR Modes for an Airborne Maritime Patrol Radar
    Autorzy:
    Gromek, D.
    Jarzębska, A.
    Samczyński, P.
    Misiurewicz, J.
    Malanowski, M.
    Kulpa, K.
    Gromek, A.
    Gadoś, A.
    Smolarczyk, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/227113.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    high resolution SAR
    real-time SAR imaging
    ISAR
    surveillance radar
    Opis:
    The paper presents new high resolution SAR results of real-life measurements using an updated ARS-400/ARS-800 SAR sensor installed on the maritime patrol aircraft M-28. The main role for such radars is surveying the sea surface, and the imaging of selected targets (e.g. ships, roads, vehicles, buildings, etc.) to help the operator in classifying them. In the present day increasing computing power, improved algorithms and general technological progress has allowed the obtaining of better results in SAR imagery.
    Źródło:
    International Journal of Electronics and Telecommunications; 2013, 59, 3; 213-218
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wind rose and modelling of the fate of polynuclear aromatic hydrocarbons in the Central Poland
    Autorzy:
    Gierycz, P.
    Malanowski, S. K.
    Wszelaka-Rylik, M.
    Kacperski, W. T.
    Kowalczyk, D.
    Świetlik, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/207407.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    wind rose
    PAHs
    polycyclic aromatic hydrocarbon
    pollutants
    WWA
    wielopierścieniowe węglowodory aromatyczne
    związki rakotwórcze
    róża wiatrów
    zanieczyszczenia
    Opis:
    The wind rose analysis has been performed for the town of Radom in Central Poland. It was found that West and South-West wind directions significantly dominate in the wind rose, causing PAHs influx from coal power stations. The analysis of the PAHs accumulation in water, soil and bottom sediments based on the fugacity and partition coefficients model has been performed for Domaniów Lake. The results have been compared with the experimental PAHs concentrations in the lake, in- and out-flowing waters as well as in the dust over the lake.
    Źródło:
    Environment Protection Engineering; 2016, 42, 4; 17-35
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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