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LI J F , ZHANG Y , LIU H . Penetration burst point control through layer-identification for complex layer [J ] . Journal of Projectiles, Rockets, Missiles and Guidance , 2014 , 34 ( 2 ): 59 - 62 . (in Chinese)

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黄莎玲 , 朱鸿志 , 程祥利 , 等 . 自适应阈值侵彻引信层目标识别算法 [J ] . 兵工学报 , 2020 , 41 ( 9 ): 1762 - 1771 . DOI: 10.3969/j.issn.1000-1093.2020.09.008 http://doi.org/10.3969/j.issn.1000-1093.2020.09.008 目前侵彻引信层目标识别算法通常采用固定阈值或多阈值方式对目标层信号进行判断，阈值的设定通常需要依赖先验数据，不具有普适性。针对此问题，在融合信号计层算法基础上提出一种自适应阈值层目标识别算法。该方法根据引信采集到的传感器信号，实时在线计算出下一层目标的判定阈值，根据计算出的阈值识别当前层数。采用半实物仿真，用多次火炮试验中采集到的数据对算法进行验证。结果表明：与固定阈值计层算法相比，自适应阈值算法在不同试验工况下均能正确给出层标识信号；自适应阈值算法给出的层标识信号与实际试验中高速摄像系统记录到的层时间能够较好地吻合。

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张雄星 , 邹金龙 , 王伟 , 等 . 新型磁敏感侵彻计层方法研究 [J ] . 兵工学报 , 2019 , 40 ( 11 ): 2204 - 2211 . DOI: 10.3969/j.issn.1000-1093.2019.11.004 http://doi.org/10.3969/j.issn.1000-1093.2019.11.004 为解决侵彻引信高速侵彻时的信号粘连问题，提出了一种磁敏感侵彻计层技术。在侵彻引信内安装磁钢和磁传感器，当战斗部侵彻有限厚钢筋混凝土靶板时，引信内磁场的强度随靶板与战斗部相对位置的改变而产生显著变化，可作为侵彻穿层的响应信号。由磁传感器检测穿层响应信号，实现计层。根据所提出侵彻引信磁敏感计层方法，采用有限元法建立了侵彻战斗部和钢筋混凝土模型，对侵彻过程进行了仿真。设计并制作了磁敏感模拟引信，使用钢网模拟钢筋混凝土靶板，进行静态半实物测试，验证了磁敏感计层方法的可行性。研究结果表明：该磁敏感侵彻计层方法不易受速度、振动影响，可以对大长径比侵彻战斗部在高速侵彻多层混凝土靶板时实现准确计层。

ZHANG X X , ZOU J L , WANG W , et al . Research on a novel magnetic sensitive layer-counting method for penetration [J ] . Acta Armamentarii , 2019 , 40 ( 11 ): 2204 - 2211 . (in Chinese) DOI: 10.3969/j.issn.1000-1093.2019.11.004 http://doi.org/10.3969/j.issn.1000-1093.2019.11.004 A magnetic sensitive penetrating layer counting method is proposed to solve the problem of signal sticking when the penetration fuze is penetrated at high speed. Magnetic steel and magnetic sensors are installed in the penetration fuze. When the warhead penetrates into the finite thick reinforced concrete target, the magnetic field strength in the fuze changes significantly with the change of the relative position of the target and the warhead, and can be used as a response signals of penetrated layers. The response signal of the penetrated layer is detected to count the layers by using the magnetic sensor. According to the proposed method, the penetrating warhead and reinforced concrete models were established by finite element method, and the penetration process was simulated. A magnetic sensitive simulation fuze was designed and fabricated. The reinforced concrete target was simulated by steel mesh, and the static semi-physical test was carried out to verify the feasibility of the magnetic susceptibility layer method. The proposed method has the advantages of being less susceptible to speed and vibration, and can realize the accurate metering when the penetrating warhead with large aspect ratio penetrates the multi-layer concrete target at high speed. Key

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段建 , 王可慧 , 周刚 , 等 . 弹体斜侵彻硬介质目标的临界跳弹评估方法 [J ] . 兵工学报 , 2016 , 37 ( 8 ): 1395 - 1400 . DOI: 10.3969/j.issn.1000-1093.2016.08.008 http://doi.org/10.3969/j.issn.1000-1093.2016.08.008 弹体斜侵彻硬介质目标过程将发生弹道偏转，甚至发生跳弹。弹体一旦跳弹，使弹体侵入不到目标内部，从而不能对目标形成有效打击。为保证弹体能够有效侵彻目标，需要对弹体侵彻目标的临界跳弹角度进行预测，给出弹体不发生跳弹的角度范围。为此，对弹体斜侵彻硬介质目标的跳弹进行研究，建立了预测弹体斜侵彻目标的跳弹分析评估方法。运用该方法对弹体分别侵彻抗压强度为30 MPa和60 MPa的钢筋混凝土的临界跳弹角度进行计算，并与实验结果进行了对比。结果表明，该方法能比较准确地分析和评估弹体的跳弹角度。

DUAN J , WANG K H , ZHOU G , et al . Evaluation method for critical ricochet of projectile obliquely penetrating hard target [J ] . Acta Armamentarii , 2016 , 37 ( 8 ): 1395 - 1400 . (in Chinese) DOI: 10.3969/j.issn.1000-1093.2016.08.008 http://doi.org/10.3969/j.issn.1000-1093.2016.08.008 The ballistic trajectory of a projectile may deflect or it ricochets off a target when the projectile penetrates a hard target obliquely. Once the projectile ricochets off a hard target, it cannot perforate into the target, which cannot bring effective damage to the target. In order to ensure that the projectile penetrate the hard target effectively, the critical ricochet angles of projectile impacting the hard target need to be predicted，and the range of angles of that the projectile does not ricochet is given. Consequently, the ricochet of projectile penetrating a hard target obliquely is studied, and then an evaluation method of predicting the critical ricochet of projectile is proposed. The critical ricochet angles of projectiles penetrating the reinforced concretes with compressive strength of 30 MPa and 60 MPa are calculated using the proposed method, respectively, and the calculated results are compared with the experimental results. The results show that the evaluation method can be used to analyze and evaluate the ricochet of projectile precisely.

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聂少云 , 薛鹏伊 , 代晓淦 . 模拟多层穿靶过程装药安全性评价方法 [J ] . 火炸药学报 , 2020 , 43 ( 5 ): 537 - 542 . DOI: 10.14077/j.issn.1007-7812.201907015 http://doi.org/10.14077/j.issn.1007-7812.201907015 采用显微红外光谱技术测试了某双基球扁药中邻苯二甲酸二丁酯(DBP)钝感剂的质量浓度分布,并采用液相色谱法验证了结果的可靠性; 测定了某双基球扁药在71℃、28d的加速老化过程中,不同老化时间的DBP钝感剂质量浓度分布数据,并依据Fick第二定律的高斯解拟合分布曲线方程,推算出DBP钝感剂的扩散系数。结果表明,该双基球扁药中DBP钝感剂质量浓度由表及里呈指数规律下降,符合Fick第二定律的扩散模型,钝感层深度约60μm; 通过DBP钝感剂质量浓度分布函数的三重积分获得双基球扁药中DBP钝感剂的总含量,与液相色谱测定值基本一致; DBP钝感剂的扩散系数在老化过程中不是一个恒定值:在0～3d的老化初期,DBP钝感剂的扩散速率相对较快,扩散系数为1.9×10^-15m²/s; 在3～28d的老化阶段,DBP钝感剂的扩散速率显著降低,扩散系数为5.2×10^-16m²/s。

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