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RESEARCH ON DESCRIPTIONS AND TESTING METHODS OF SYNTHETICFIGURES OF MERIT FOR IR SCANNING DETECTING SYSTEMS
红外扫描探测系统综合性能描述和测试方法的研究

Keywords: IR system,scanning detecting system,performance evaluation,IR system,testing of performances
红外系统
,扫描探测系统,性能评价

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Abstract:

Taking the output signal to noise ratio ( SNR ) of systems as a criterion, the relationships among the detecting distance R , the noise equivalent temperature difference NETD , the minimal resolvable temperature difference MRTD , the minimal detectable temperature difference MDTD and the modulation transfer function of IR scanning detecting systems ( SDS ) were established. The testing methods for these figures of merit were also studied.As a result, the bases of the synthetic performance evaluation and the practical testing methods of IR SDS were provided.

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