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中文摘要：
声纳中具方向性的宽带强干扰严重影响远处舰船的检测。本文针对此问题，提出一种能实时抑制此类干扰的方法，它以保证干扰方向输出功率最小为约束条件，本文还研究了此方法对目标信号的性能影响情况。最后，通过对海试数据的处理，证明此方法在实践中比较有效。
英文摘要：
Directional wideband interference severely affects the detection of a faraway ship. In order to solve this problem, this paper presents a novel way which uses the criteria of minimum output power to cancel the directional wideband interference by real-time processing. The characteristic of the target signal affected by this method is also studied. Sea trial data is finally used to verify feasibility of the method, and the result is promising.
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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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