基于窄带声探测的反直升机雷系统  

Anti-helicopter mine system based on acoustic sub-band detection

作　　者：刘向东[1] 程翔[1] 张河[1] 

机构地区：[1]南京理工大学机械工程学院教研室,江苏南京210094

出　　处：《传感器技术》2005年第1期35-37,共3页Journal of Transducer Technology

摘　　要：研究了反直升机雷(AHM)的抗干扰问题和分析了直升机声音特性后,提出了窄带声探测的方案及实施该方案时所需的软硬结构。并给出了硬件结构中的主要器件及参数。实验结果说明:系统的方位角探测是有效的,探测精度能够满足实用要求,还可以大大降低数据采集量和存储空间,从而提高系统的实时性和实用性。On the basis of the research of inference defense of the AHM and analysis of the helicopter sound's properties,a new way of passive acoustic sub-band detection is provided.The structure of software and hardware for the system and their parameters are shown.Experiment results show that the system can detect effectively the azimuth angle of the target; the detection precision can meet practical applications,and collected data for time-delay estimation and memory to store data are reduced by a long way.Sequentially real time's performance and practicality are improved.

关 键 词：反直升机雷 被动声探测 窄带 

分 类 号：TJ4[兵器科学与技术—火炮、自动武器与弹药工程] TP272[自动化与计算机技术—检测技术与自动化装置]