水下爆炸爆源定位方法与误差分析

Alocationmethodforunderwaterexplosionsourceanderroranalysis

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。
- 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
Abstract: Abstract:Basedontheminimum mean-squareerrorapproach,acomputationalmethodwasproposed forlocatingthepositionsofunderwaterexplosionsources.Theverificationexperimentsshowthatthe proposedlocationmethodcanmeetwiththetestrequirementswhenthequantityoftheeffectivedata observedbythepressuresensorsisnotlessthanfour.Satisfactorycomputationalresultscanstillbe obtainedeveniftheaccuraciesofseveraltestdataareweak.Theinfluencingfactorsofthecomputationalerrorwerediscussedasfollows: veracitiesoftestdata,positionturbulenceoftestpoints,accuraciesofmodelparametersandquantityoftestpoints. Consequently,somesuggestionswereputforwardaboutthelocationcomputationforunderwaterexplosionsources.
- mechanicsofexplosion /
- locationmethodofexplosionsource /
- minimum mean-squareerror approach /
- underwaterexplosion /
- erroranalysis