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ÌâÃû£ºStatistical assessment of H/A target decomposition theorems in radar polarimetry
ÆÚ¿¯ SCIENCE CHINA Information Sciences
³ö°æÉç Science China Press, co-published with Springer
ISSN 1674-733X (Print) 1869-1919 (Online)
ÆÚ Volume 53, Number 2 / 2010Äê2ÔÂ
ÎÄÕÂÀàÐÍ Research Papers
DOI 10.1007/s11432-010-0023-y
Ò³ 355-366
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SpringerLink Date 2010Äê2ÔÂ9ÈÕ
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FN ISI Export Format
VR 1.0
PT  J
AU  Liu, T
Huang, GM
Wang, XS
Xiao, SP
AF  Liu Tao
Huang GaoMing
Wang XueSong
Xiao ShunPing
TI  Statistical assessment of H/A target decomposition theorems in radar polarimetry
SO  SCIENCE CHINA-INFORMATION SCIENCES
LA  English
DT  Article
DE  target decomposition theorems; H/A; characteristic parameters; statistical analysis; MLE
ID  SCATTERING-MODEL; SAR IMAGERY; PARAMETERS
AB  Target decomposition (TD) theorems have been widely applied in radar polarimetry, serving as the bridge between radar measurements and the physical parameters of a scatterer. The H/A target decomposition is one of the most suitable tools for performing data interpretation in the study and characterization of natural scatters. In this paper, the statistics of the parameters of eigenvalue, eigenvector and H/A have been analyzed via a novel method, and the probability density functions (PDF) have been obtained. It is pointed out that all these parameters can be seen as asymptotically nonbiased with respect to the number of looks. In order to reduce the biases for a small number of looks, a novel estimator for the parameters has been proposed. We give the basic theorems for accurate estimation of parameters.
C1  [Liu Tao; Huang GaoMing] Naval Univ Engn, Sch Elect Engn, Wuhan 430033, Peoples R China.
[Liu Tao; Wang XueSong; Xiao ShunPing] Natl Univ Def Technol, Sch Elect Sci & Engn, Changsha 410073, Hunan, Peoples R China.
RP  Liu, T, Naval Univ Engn, Sch Elect Engn, Wuhan 430033, Peoples R China.
EM  liutao1018@sina.com
FU  National Natural Science Foundation of China [60901069]; Natural Science Foundation of Habei Province of China [2008CDB324]
FX  This work was supported by the National Natural Science Foundation of China (Grant No. 60901069), the Natural Science Foundation of Habei Province of China (Grant No. 2008CDB324).
NR  28
TC  0
PU  SCIENCE CHINA PRESS
PI  BEIJING
PA  16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
SN  1674-733X
J9  SCI CHINA-INF SCI
JI  Sci. China-Inf. Sci.
PD  FEB 10
PY  2010
VL  53
IS  2
BP  355
EP  366
DI  10.1007/s11432-010-0023-y
PG  12
GA  582LL
UT  ISI:000276598700014
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ÕªÒª: Target decomposition (TD) theorems have been widely applied in radar polarimetry, serving as the bridge between radar measurements and the physical parameters of a scatterer. The H/A target decomposition is one of the most suitable tools for performing data interpretation in the study and characterization of natural scatters. In this paper, the statistics of the parameters of eigenvalue, eigenvector and H/A have been analyzed via a novel method, and the probability density functions (PDF) have been obtained. It is pointed out that all these parameters can be seen as asymptotically nonbiased with respect to the number of looks. In order to reduce the biases for a small number of looks, a novel estimator for the parameters has been proposed. We give the basic theorems for accurate estimation of parameters.
ÎÄÏ×ÀàÐÍ: Article  
ÓïÑÔ: English  
×÷Õ߹ؼü´Ê: target decomposition theorems; H/A; characteristic parameters; statistical analysis; MLE  
KeyWords Plus: SCATTERING-MODEL; SAR IMAGERY; PARAMETERS  
ͨѶ×÷ÕßµØÖ·: Liu, T (ͨѶ×÷Õß), Naval Univ Engn, Sch Elect Engn, Wuhan 430033, Peoples R China  
µØÖ·:
1. Naval Univ Engn, Sch Elect Engn, Wuhan 430033, Peoples R China
2. Natl Univ Def Technol, Sch Elect Sci & Engn, Changsha 410073, Hunan Peoples R China  
µç×ÓÓʼþµØÖ·: liutao1018@sina.com  
³ö°æÉÌ: SCIENCE CHINA PRESS, 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA  
IDS ºÅ: 582LL  
ISSN: 1674-733X  
DOI: 10.1007/s11432-010-0023-y
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Originally posted by polarist at 2010-05-29 18:46:42:
ÌâÃû£ºStatistical assessment of H/A target decomposition theorems in radar polarimetry
ÆÚ¿¯ SCIENCE CHINA Information Sciences
³ö°æÉç Science China Press, co-published with Springer
ISSN 1674 ...

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