Coherent integration method for high‐speed target detection using angular inverse rotation transform

High‐speed target often induces severe across range unit problem in the long‐time coherent integration (LTCI). This paper designates the bottom‐right corner of the 2‐D compressed signal as the coordinate system origin. It establishes a novel angular inverse rotation transform that accurately correct...

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Vydané v:	Electronics letters Ročník 60; číslo 22
Hlavní autori:	Wang, Le, Tao, Haihong, Yang, Aodi, Yang, Fusen
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	01.11.2024
Predmet:	long‐time coherent integration parameter estimation range walk correction
ISSN:	0013-5194, 1350-911X
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Shrnutí:	High‐speed target often induces severe across range unit problem in the long‐time coherent integration (LTCI). This paper designates the bottom‐right corner of the 2‐D compressed signal as the coordinate system origin. It establishes a novel angular inverse rotation transform that accurately corrects target's trajectory to the final location and achieves signal energy accumulation. Numerical simulation experiments and real‐world measured data confirm the effectiveness of the proposed method. High‐speed target often induces severe across range unit problem in the long‐time coherent integration (LTCI). This paper designates the bottom‐right corner of the 2‐D compressed signal as the coordinate system origin. It establishes a novel angular inverse rotation transform that accurately corrects target's trajectory to the final location and achieves signal energy accumulation. Numerical simulation experiments and real‐world measured data confirm the effectiveness of the proposed method.
ISSN:	0013-5194 1350-911X
DOI:	10.1049/ell2.70087