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| 水下爆炸爆源定位方法与误差分析 | |
| 引用本文： | 龙仁荣,付跃升,张庆明.水下爆炸爆源定位方法与误差分析[J].爆炸与冲击,2013,33(2):181-185. |
| 作者姓名： | 龙仁荣 付跃升 张庆明 |
| 作者单位： | 北京理工大学爆炸科学与技术国家重点实验室,北京,100081;福州大学紫金矿业学院,福建福州,350108 |
| 摘 要： | 提出了一种采用最小误差逼近法对水下爆源进行定位计算的方法。通过验证性实验表明,在有效
传感器观测数据不小于4个的情况下,该方法完全可以满足现场测量的要求;该方法在个别测量数据准确性
较差的情况下,仍能得出较好的计算结果。最后分析了测点数据准确性、测点布置紊乱度、模型参数的准确性
和测点数量对计算误差的影响,提出了定位计算实验所需要注意的问题。 |
| 关 键 词： | 爆炸力学 爆源定位方法 最小误差逼近法 水下爆炸 误差分析 |
A location method for underwater explosion source and error analysis |
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| Long Ren-rong , Fu Yue-sheng , Zhang Qing-ming.A location method for underwater explosion source and error analysis[J].Explosion and Shock Waves,2013,33(2):181-185. | |
| Authors: | Long Ren-rong Fu Yue-sheng Zhang Qing-ming |
| Institution: | 1.StateKeyLaboratoryofExplosionScienceandTechnology,2.BeijingInstituteofTechnology,Beijing100081,China; |
| Abstract: | Abstract:Basedontheminimum mean-squareerrorapproach,acomputationalmethodwasproposed forlocatingthepositionsofunderwaterexplosionsources.Theverificationexperimentsshowthatthe proposedlocationmethodcanmeetwiththetestrequirementswhenthequantityoftheeffectivedata observedbythepressuresensorsisnotlessthanfour.Satisfactorycomputationalresultscanstillbe obtainedeveniftheaccuraciesofseveraltestdataareweak.Theinfluencingfactorsofthecomputationalerrorwerediscussedasfollows: veracitiesoftestdata,positionturbulenceoftestpoints,accuraciesofmodelparametersandquantityoftestpoints. Consequently,somesuggestionswereputforwardaboutthelocationcomputationforunderwaterexplosionsources. |
| Keywords: | mechanicsofexplosion locationmethodofexplosionsource minimum mean-squareerror approach" target="_blank">approach')" href="#">minimum mean-squareerror approach underwaterexplosion erroranalysis |
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