基于地震动信号的目标识别
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摘要
地面目标地震动信号的特性分析是进行地面目标识别的关键,针对人员、车辆地面目标运动时产生的地震动信号,利用JLD—3传感器和DSP设计了一种信号采集与处理系统,并进行多次外场测试。得到的信号时域、频域特征向量可作为目标分类的依据。试验结果表明,该系统结构简单、可靠性高,能有效识别由人员与车辆运动引起的地震动信号。
Characteristic analysis of the ground target vibration signal is the key to the classification of the ground object.According to the seismic signal produced when the ground targets such as personnel,vehicle move,use JLD—3 sensor and DSP to design a signal acquisition and processing system,and test in the outside field some times.The time domain of signal and frequency domain feature vector get can be providen basis for the target classification.The test results show that,the system has the advantages of simple structure,high reliability,and can effectively identify the vibration signal caused by personnel and vehicle’s motion.
Characteristic analysis of the ground target vibration signal is the key to the classification of the ground object.According to the seismic signal produced when the ground targets such as personnel,vehicle move,use JLD—3 sensor and DSP to design a signal acquisition and processing system,and test in the outside field some times.The time domain of signal and frequency domain feature vector get can be providen basis for the target classification.The test results show that,the system has the advantages of simple structure,high reliability,and can effectively identify the vibration signal caused by personnel and vehicle’s motion.
引文
1杨兴国.边防哨所重要路口无人值守自动监控系统的研究——基于DSP的小型便携式地震动目标探测识别系统.成都:成都理工大学,2007
2曹茂永,王霞,孙农亮.仪用放大器AD620及其应用.电测与仪表,2000;37(10):49—52
3谢仕强.基于地震动传感器的人员车辆探测系统.南京:南京理工大学,2006
4石云波,刘俊,王玲.地面运动目标的震动信号的特性分析.传感技术学报,2007;20(4):874—876
5刘勇,赵河明,张亚,等.地面震动信号采集及分析技术研究.水电能源科学,2010;28(5):130—132
2曹茂永,王霞,孙农亮.仪用放大器AD620及其应用.电测与仪表,2000;37(10):49—52
3谢仕强.基于地震动传感器的人员车辆探测系统.南京:南京理工大学,2006
4石云波,刘俊,王玲.地面运动目标的震动信号的特性分析.传感技术学报,2007;20(4):874—876
5刘勇,赵河明,张亚,等.地面震动信号采集及分析技术研究.水电能源科学,2010;28(5):130—132
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