Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Oleksandr O. Bezvesilniy"'
Publikováno v:
International Journal of Electronics and Telecommunications. 60:225-231
Two modifications of the range-Doppler algorithm (RDA) have been proposed to solve problems of SAR platform motion instabilities. First, the multi-look processing based on the RDA with an extended Doppler bandwidth has been introduced for correction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::933f8fa6a7604852e08829d06b97c66e
https://doi.org/10.2478/eletel-2014-0028
https://doi.org/10.2478/eletel-2014-0028
Publikováno v:
Progress In Electromagnetics Research B. 53:1-24
The synthetic aperture radar (SAR) is a widely used instrument for high-resolution imaging from aircraft or satellite platforms. In the paper, the problem of the defocusing of multi- look SAR images by uncompensated phase errors presented in the rece
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd37a5accaf7b7364d4193b48aff1acf
https://doi.org/10.2528/pierb13043007
https://doi.org/10.2528/pierb13043007
Publikováno v:
2016 IEEE Radar Methods and Systems Workshop (RMSW).
Synthetic aperture radar is a very popular and widely used instrument for various remote sensing tasks. One of the most challenging problems is to obtain high-quality images in the case of unstable flight conditions. In the paper the problem of full
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12ad80180abc2abad02cef57b5af53bf
https://doi.org/10.1109/rmsw.2016.7778568
https://doi.org/10.1109/rmsw.2016.7778568
Publikováno v:
2015 European Microwave Conference (EuMC).
Autofocusing is one of the key steps in the high-resolution SAR imaging. In the paper several important improvements to the recently developed local-quadratic map-drift autofocus are proposed. Important SAR image preprocessing steps applied before th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32f290115e7db392d03cc464d33f36d1
https://doi.org/10.1109/eumc.2015.7346079
https://doi.org/10.1109/eumc.2015.7346079
Publikováno v:
2015 Signal Processing Symposium (SPSympo).
Formation of high-resolution SAR images from light-weight platforms is a challenging task primarily due to high instability of such platforms. Additional difficulties are related with the precision of navigation systems. In the paper the problem of r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af522f32c6df2efb7cb9cf842ec67cab
https://doi.org/10.1109/sps.2015.7168271
https://doi.org/10.1109/sps.2015.7168271
Publikováno v:
2015 16th International Radar Symposium (IRS).
Multi-look processing is a well-known technique actively used in the SAR research community. In the paper, a method is described for the extraction of the ground moving targets parameters from a sequence of SAR look images obtained with a single-ante
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::721e544e1748591e0949addc2631f6da
https://doi.org/10.1109/irs.2015.7226323
https://doi.org/10.1109/irs.2015.7226323
Publikováno v:
2015 German Microwave Conference.
The accuracy of trajectory measurements is one of the crucial factors in high-resolution SAR imaging. Common navigation systems often do not fulfill the requirements that results in significant image quality degradation. In the paper, a new autofocus
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a352d4731bcb142329ad9a10fcdace1
https://doi.org/10.1109/gemic.2015.7107784
https://doi.org/10.1109/gemic.2015.7107784
Publikováno v:
2014 IEEE Microwaves, Radar and Remote Sensing Symposium (MRRS).
Presence of phase errors in radar data is a crucial problem for high-resolution SAR imaging. In the paper, a new idea for representation of an arbitrary phase error by its local approximations is proposed. Within such approach, a general analytical e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cc994899755b4c83efb2f9022ab12d2
https://doi.org/10.1109/mrrs.2014.6956675
https://doi.org/10.1109/mrrs.2014.6956675
Autor:
V.A. Volkov, S. S. Sekretarov, Oleksandr O. Bezvesilniy, R.V. Kozhyn, V.V. Vynogradov, Ievgen M. Gorovyi, Dmytro M. Vavriv
Publikováno v:
2014 15th International Radar Symposium (IRS).
In the paper, an X-band airborne SAR system developed and produced at the Institute of Radio Astronomy is described. The system is designed to be operated from light- weight aircrafts. Implemented hardware and real-time software solutions are discuss
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aacaf759c3f8e083489c39fd2f84835b
https://doi.org/10.1109/irs.2014.6869304
https://doi.org/10.1109/irs.2014.6869304
Publikováno v:
2014 15th International Radar Symposium (IRS).
The quality of high-resolution SAR imaging is strictly related with the precision of the platform trajectory measurements. This is one of the crucial points in the case of image formation from light-weight aircrafts and UAV platforms, which undergone
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a3876b78e55fcaeaed71bcc41e5988a
https://doi.org/10.1109/irs.2014.6869242
https://doi.org/10.1109/irs.2014.6869242