正弦FBI测试卡
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名 称:正弦FBI测试卡
型号:SINE M-13-60-S-RM
品牌:Applied Image
描述:The Ronchi Ruling grating is on reflective material, with an active image measuring 101.6mm x 101.6mm and an overall size of 127mm x 127mm with a single frequency grating of 1.0 cycles per mm.
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There are two SINE Sinusoidal arrays designed for FBI applications: the SINE M-13-60-S-RM and the SINE M-13-60-FBI Kit.

The SINE M-13-60-S-RM was designed jointly by the Federal Bureau of Investigation, of Washington DC, and MITRE, of Bedford MA. The primary function of this Target is for computing Modulation Transfer Function (MTF) evaluation in live scanner fingerprint systems for conformance to Integrated Automated Fingerprint Identification Systems (AFIS) image quality requirements. The array is on reflective material measuring 16mm x 16mm with sinusoidal arrays ranging in frequency from 1.0 to 10.0 cycles per mm; with nominal modulation of the sinusoidal areas at 60%. The top and bottom rows are density scales, from 0.20 to 1.20 densities.

The SINE M-13-60-FBI Kit consist of two individual components, the SINE M-13-60-1X-RM and the RR1-N-RM Ronchi Ruling grating. 
      The sinusoidal array is on reflective material, with an active image area measuring 70mm x 46mm and an overall size of 85mm x 157mm with sinusoidal arrays ranging in frequency from 0.1875 to 12.0 cycles per mm; with nominal modulation of the sinusoidal areas at 60%. The top and bottom rows are density scales, from 0.20 to 1.20 densities.
    The Ronchi Ruling grating is on reflective material, with an active image measuring 101.6mm x 101.6mm and an overall size of 127mm x 127mm with a single frequency grating of 1.0 cycles per mm.

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