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冲击波测试系统的动态建模及应用

DOI: 10.11858/gywlxb.2014.04.007, PP. 429-434

Keywords: 动态建模,补偿滤波,冲击波测试,带宽

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Abstract:

若测试系统的带宽不能完全覆盖冲击波信号的有效带宽,就会存在较大的动态误差。根据冲击波测试系统的激波管动态校准实验数据,建立了冲击波测试系统动态数学模型,设计了动态校正数字滤波器。仿真结果表明,动态校正滤波器明显提高了系统动态响应的快速性,展宽了工作频带。实弹测试结果显示,校正滤波器能提高冲击波测试的精度和可靠性。该方法能有效消除动态误差,提高测试数据的准确性。

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