Conversion Method of Impact Dispersion in Substitute Equivalent Tests Based on Error Propagation
Since there are discrepancies of test environment, target and range between substitute equivalent tests and overall operational tests, this study explores a method for converting the impact dispersion of missiles with homing radar from the substitute equivalent test to that in the overall operational test. According to the law of error synthesis, differences between impact dispersion in different tests are decomposed and propagated to the measurement elements of the homing radar by analysing factors which influence the impact dispersion. Furthermore, the measurement errors in different tests were drawn from their related parameters of radar measurement elements in different tests by analysing the error sources. Then, the different measurement errors were propagated and synthesised into the impact dispersion in different environments. Precision of the conversion process and reliability of the conversion results have also been analysed. Feasibility and effectiveness of this method have been proved in simulation tests.
Defence Science Journal, 2009, 59(1), pp.15-21, DOI:http://dx.doi.org/10.14429/dsj.59.1479
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