一种鱼雷自导信号频率检测方法研究

靶场在进行智能鱼雷鉴定试验任务时，实时准确地检测出鱼雷自导信号的频率成分是靶标信号处理中的重要环节，谱线比值法便是靶标进行信号处理时检测信号频率的一种有效方法。本文介绍了谱线比值法的基本原理，针对目前鱼雷自导信号特点，对该方法提出了改进方案并进行了仿真。仿真结果表明，经改进的谱线比值法能够满足靶标检测复杂鱼雷自导信号体制下信号频率的使用要求。

A Torpedo Homing Signal Frequency Detection Method Research

It is an important part of the target signal processing for real-time and accurate detection of torpedo homing signal frequency component when the range in torpedo test intelligent tasks, and spectral ratio method is an effective method for detection of target signal frequency signal processing. This paper introduces the basic principle of spectrum line ratio method, and aiming at the characteristics of torpedo homing signal, the method is improved and simulated. The result shows that, spectral ratio method can satisfy the target detection of torpedo homing signal using the complex signal frequency under the system requirements.