一种声测量弹目偏差的方法研究

针对现有测量火炮武器系统射击弹目偏差实时性差、漏测率高和设备庞大等问题,提出采用声学空间定位测量方法,并对弹丸N波特征进行了研究.建立了数学、物理模型和测量系统,攻克了全向接收弹丸激波的N波传感器、N波信号数字处理模块等关键技术,使测量系统具有抑制空中气动和高速飞行平台振动等外部环境噪声的能力,能够从复杂的背景噪声中正确提取出弹丸的N波信号信息.试验数据证明了超音速飞行弹丸所具有的特征,验证了测试系统的技术指标.声测量弹目偏差的测量方法较电子雷达或光电系统等其它测量方法具有响应快、漏测率低、不受环境影响和实时性强等优点.

An Acoustic Measurement Method for Missdistance

This paper put forward an acoustic space position test method aiming at low realtime ability,high rate of miss test and huge equipment of the test system for measuring projectile deflection against targets when gun firing at targets.We established the mathematical and physical model,studied the N wave characteristic,broke through the key technology of N wave sensor and N wave DSP mode,and set up the test system.The system can restrain the atmosphere noise made by high-speed flying platform and extract the N wave information from complex noise.Test results show the characteristic of flying projectile with supersonic speed,and demonstrate the technology index of the measurement system.This method has advantages of high response,low miss test rate,free of environment influence,and high realtime ability compared with the measurement methods of electronic radar and opto-electric system.