A Method for Estimating the Detection Range of IRST
2012
A novel method of Infrared Search and Track System(IRST)which is modified from the Hudson's classic distance formulais proposed from the engineering application perspective.The modified formula not only calculates distance by the target radiation characteristicthe optical system designthe detector performance and the atmospheric transmittancebut also analyzes the influence brought by the target's energy utilization efficiencythe detector circuit noise and the background radiation.Finallythe superiority of the novel formula is verified in the empty distance measurement fieldwhich is deduced from the comparison between the results of the novel method and that of the Hudson's classic distance formula.
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