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能否输出相关峰是相关器判定目标真伪的主要方式,但其元件调节精准度不高时,容易对相关峰产生误判。基于匹配滤波相关识别器,从理论上分析了相关峰产生误判的3种可能,重点对相关信号的强度判别进行了理论和实验研究,针对这3种可能产生误判的情况,分别从实验结果的相关峰阈值强度、形态、输入图像旋转方面探讨真伪相关峰的判别,为相关峰的判别提供实验参考。
Whether the correlation peak can be output is the main method of the correlator to determine the target’s authenticity. However, when the accuracy of component adjustment is not high, it is easy to make a false negative judgment on the correlation peak. Based on the matched filter correlation recognizer, three kinds of possible misjudgment of correlation peak are theoretically analyzed. The emphasis is put on the theoretical and experimental research on the strength determination of correlated signals. According to these three kinds of misjudgment cases, The results of the correlation peak threshold intensity, morphology, rotation of the input image to determine the authenticity of the correlation peak discrimination for the correlation peak to provide experimental reference.