This dissertation focused on the ship target detection and track at the port and in narrow channel.

本文主要针对港口、窄水道中船舶目标的检测、跟踪。

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This paper describes the mechanism of ionosphere distortion and several correction algorithms. It is important for the improvement of ship target detection in practice.

本文分析了电离层失真的形成机理，并对几种失真校正方法进行了分析和比较，对工程中提高舰船目标的检测能力具有重大的现实意义。

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This paper expatiates the notion of image fractal dimension and multi-scale fractal feature, proposes a ship target detection method based on multi-scale fractal feature.

阐述了图像分形维和多尺度分形特征的概念，提出了一种多尺度分形目标检测方法。

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