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本文提出了一种适用于红外十字叉系统的脉冲信号检测方案。方案用来从系统探测器输出的信号与噪声的混合波形中鉴别周期性目标脉冲信号,并作出判决。在红外制导系统里,按功能分类,这一检测环节又被称为截获电路。对本文的这一方案进行了实验验证和计算机辅助性能分析。理论分析和模拟实验结果证明了设计思想及方案的合理性。
This paper presents a pulse signal detection scheme suitable for infrared cross system. The scheme is used to discriminate the periodic target pulse signal from the mixed waveform of signal and noise output by the system detector and make a decision. In the infrared guidance system, according to the functional classification, this test is also called the capture circuit. The scheme of this paper is verified by experiments and computer aided performance analysis. Theoretical analysis and simulation results prove the rationality of design ideas and solutions.