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中文摘要：
拖引的站台噪音的干扰特征源于推进器并且拖引身体因为活跃 / 被动的拖引的数组被分析。在浅水环境，反映的直接波浪和底部 / 海表面飘动，这被显示出将严重影响声纳系统的性能。为以各种各样的参数计算干扰的到达( DOA )的方向的公式例如数组深度，一些拖引电缆线，是干扰噪音的 derived.The 效果因为声纳系统的察觉性能是系统模拟的 described.The 结果为减少这些种干扰的效果提供方法。
英文摘要：
The interference characteristics of towed platform noise resulted from propeller and towed body for active/passive towed array is analyzed. It is shown that, in shallow water environment, the direct wave and bottom/sea surface reflected wave will seriously affect the performance of sonar system. The formula for calculating the direction of arrival （DOA） of interference in terms of various parameters, such as array depth, length of tow cable, is derived. The effect of interference noise for the detection performance of sonar system is described. The results of system simulation provide the method for reducing the effect of these kind of interferences.
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The time-delay estimation method od resolving left-right target ambiguity for twin-line array and it
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