Zobrazeno 1 - 10
of 283
pro vyhledávání: '"ZHAODA ZHU"'
Publikováno v:
Sensors, Vol 8, Iss 5, Pp 3438-3446 (2008)
In this work, a 2-D subaperture polar format algorithm (PFA) based on steppedchirp signal is proposed. Instead of traditional pulse synthesis preprocessing, the presented method integrates the pulse synthesis process into the range subaperture proces
Externí odkaz:
https://doaj.org/article/40f66e7f57804bc8a76906d43c7e90cc
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2010 (2010)
The multichannel synthetic aperture radar ground moving target indication (SAR/GMTI) technique is a simplified implementation of space-time adaptive processing (STAP), which has been proved to be feasible in the past decades. However, its detection p
Externí odkaz:
https://doaj.org/article/e9583e6ca24f4df88591e2aa2272dce6
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing. 59:8382-8397
The processing of synthetic aperture radar (SAR) echoes collected during radar antenna beam steering, such as in the staring spotlight, sliding spotlight, and TOPS operating modes, requires additional efforts due to the limited pulse repetition frequ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41b41f0456a36c02546fa1f675d4e460
https://doi.org/10.1109/tgrs.2020.3033120
https://doi.org/10.1109/tgrs.2020.3033120
Publikováno v:
In Journal of Systems Engineering and Electronics 2008 19(3):486-492
Publikováno v:
In Journal of Systems Engineering and Electronics 2008 19(2):268-272
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. 49:2693-2706
Synthetic aperture radar (SAR) images are often blurred by phase perturbations induced by uncompensated sensor motion and /or unknown propagation effects caused by turbulent media. To get refocused images, autofocus proves to be useful post-processin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb6877c04326b859043f5579794cd544
https://doi.org/10.1109/taes.2014.6619958
https://doi.org/10.1109/taes.2014.6619958
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. 49:468-488
For spotlight mode synthetic aperture radar (SAR) autofocusing, the traditional full-aperture phase gradient autofocus (PGA) algorithm might suffer from performance degradation in the presence of significant high-order phase error and residual range
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b74b14975f1c8b5eed7f9da198d0bd88
https://doi.org/10.1109/taes.2013.6404115
https://doi.org/10.1109/taes.2013.6404115
Publikováno v:
Journal of Electronics & Information Technology. 34:1324-1330
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58998f0d54279229acce6856ea997dab
https://doi.org/10.3724/sp.j.1146.2011.00723
https://doi.org/10.3724/sp.j.1146.2011.00723
Publikováno v:
IET Radar, Sonar & Navigation. 6:465-471
An eigenvector method for maximum-likelihood estimation (MLE) of phase error has better algorithmic performance than phase gradient autofocus (PGA), which is implemented by the simultaneous processing of multiple-pulse vectors of the range-compressed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19a31d22804d776de6c03d0dbb4fdf63
https://doi.org/10.1049/iet-rsn.2011.0312
https://doi.org/10.1049/iet-rsn.2011.0312
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. 48:940-950
An analytical expression of the phase error from wavefront curvature in bistatic spotlight-mode synthetic aperture radar (SAR) image reconstructed via polar format algorithm (PFA) is derived in this paper. The wavefront curvature effect, which arises
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e4b560e52b0de2622456e8376221657
https://doi.org/10.1109/taes.2012.6178040
https://doi.org/10.1109/taes.2012.6178040