The measurement of object signals and ambient noise at sea, as well as the analysis of its results are described in this paper.

本文主要论述对海上目标信号和海洋环境噪声的测量及其结果的分析。

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The test results show that the object segmentation method based on recursive threshold analysis is effective. Its segmentation performance is better than the traditional methods.

试验结果证明，基于递归门限分析的方法是一种行之有效的目标分割方法，分割性能优于传统方法。

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Information processing and analysis are two important steps relating to finally acquired surface object recognition results in space imaging spectrometry.

信息处理和分析是空间成像光谱技木中涉及最终取得地物目标识别结果的两个重要步骤。

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