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spaced target
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On the basis of modeling of multiple targets and radar returning signals, a new method for radar range superresolution is introduced in this paper. This method tums the resolution of multiple closely spaced targets into an identification of the target impulse response functions. The least-square (LS) method is then used to estimate impulse resoonse functions of the targets. The concept of radar range resolution probability is also introduced.It is shown from the simulation results that...

On the basis of modeling of multiple targets and radar returning signals, a new method for radar range superresolution is introduced in this paper. This method tums the resolution of multiple closely spaced targets into an identification of the target impulse response functions. The least-square (LS) method is then used to estimate impulse resoonse functions of the targets. The concept of radar range resolution probability is also introduced.It is shown from the simulation results that the new superresolution method is much efficient, and has advantages such as having a simple structure, as well as high resolution.

基于多目标及其雷达回波信号的建模,本文提出了一种实现雷达超分辨的新方法.该方法的基本思想是将空间上相距很近的多个目标的分辨转化为目标冲激响应的辨识,然后利用最小二乘法估计目标的冲激响应函数.文中还提出了距离分辨概率的概念,给出了其定义.仿真结果表明,新的超分辨方法是十分有效的,井且具有结构简单和分辨力高等特点.

To study the flight characteristics and penetrating power of EFP of the present desiging level, steel EFP simulants with L/D=1.5 were launched at impact velocities of 1.3 k/s or so by a cannon. They penetrated thin A3 steel spaced targets with big distance. The pills perforated five layer targets, and with little loss of its mass. High speed photography was used to investigate the flight characteristics of the EFP between targets. The paper also analyzes the process and principle of EFP against...

To study the flight characteristics and penetrating power of EFP of the present desiging level, steel EFP simulants with L/D=1.5 were launched at impact velocities of 1.3 k/s or so by a cannon. They penetrated thin A3 steel spaced targets with big distance. The pills perforated five layer targets, and with little loss of its mass. High speed photography was used to investigate the flight characteristics of the EFP between targets. The paper also analyzes the process and principle of EFP against multiplayer targest with big distance between each other to a certain extent. The results obtained from the analysis of the experiments indicate that the EFP designed has good stability of flight and penetration against spaced targets and provide important parameters for designing charge configuration of warheads against armour targets such as naval ships.

为考察现有设计水平下 ,爆炸成形弹丸 EFP(Explosively Formed Projectiles)的飞行特性及侵彻威力 ,用 3 7火炮发射长径比为 1 .5的钢 EFP的模拟弹丸 ,其着靶速度在 1 .3 km左右 ,对大间隔的多层 A3薄钢靶板进行侵彻 ,弹丸贯穿了 5层靶 ,质量损失较小。利用高速摄影考察了 EFP在靶间的飞行姿态变化 ,分析了 EFP对多层大间隔靶侵彻的作用过程及其机理。实验结果和分析表明 ,所设计的 EFP具有较为理想的飞行稳定性 ,对多层间隔靶的侵彻能力强 ,为设计攻击舰艇等装甲目标的战斗部装药结构提供了较重要的参数。

Steel EFP simulants with L/D =1.5 were launched at impact velocities of 1300m/s or so by a cannon for studying the flight characteristics and penetration ability of EFP. It penetrated thin A3 steel spaced targets at large distances. High speed photography was used to investigate the flight characteristics of the EFPs among targets. The paper also analyzes the process and principle of EFP against multiplayer targets with big spacing between each other to a certain extent. The conclusion...

Steel EFP simulants with L/D =1.5 were launched at impact velocities of 1300m/s or so by a cannon for studying the flight characteristics and penetration ability of EFP. It penetrated thin A3 steel spaced targets at large distances. High speed photography was used to investigate the flight characteristics of the EFPs among targets. The paper also analyzes the process and principle of EFP against multiplayer targets with big spacing between each other to a certain extent. The conclusion and its analysis obtained from the experiments indicate that the EFP designed has good stability of flight and penetration against spaced targets and provides important parameters for designing warheads against armoured targets such as naval ships.

为考察爆炸成形弹丸 (EFP)的飞行特性及侵彻威力 ,用火炮发射长径比为 1 5的钢EFP模拟弹丸 ,其着靶速度在 130 0m/s左右。对大间隔的多层A3薄钢靶板进行侵彻 ,利用高速摄影了EFP在靶间飞行姿态变化 ,对其侵彻过程及机理进行了分析 ,实验结果和分析表明 ,所设计的EFP具有较为理想的飞行稳定性 ,对多层间隔靶的侵彻能力强 ,为设计攻击舰艇等装甲目标的战斗部提供了较重要的参数。

 
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