Analysis of sampled imaging systems by Richard H. Vollmerhausen

By Richard H. Vollmerhausen

Advances in reliable kingdom detector arrays, flat panel monitors, and electronic picture processing have brought on an expanding number of sampled imaging items and probabilities. those know-how advancements offer new possibilities and difficulties for the layout engineer and approach analyst--this tutorial's meant reader.

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16 and the square wave input voltage shown in the figure. The input voltage is a scan of the bar target (with infinitesimal detector size) converted to time by the scan velocity. The target is a rectangular bar which produces a quick rise in detector voltage and then a quick drop in detector voltage. The detector voltage is the circuit input signal, and the circuit output voltage is driving the display. 16 Low pass filter (a) and input signal (b). 40) where the initial current is zero. Taking the Fourier transform of the equation gives Vin (ω) = 1 I (ω) + I (ω) R.

Cox, and T. Edwards, Introduction to Infrared and ElectroOptical Systems, Artech House, Norwood, MA, 1999. , Linear Systems, Fourier Transforms, and Optics, Wiley, New York, NY, 1978. , Introduction to Statistical Optics, Addison-Wesley, Reading, MA, 1963. , Vision and Acquisition, Crane, Russak, New York, NY, 1976. , Electro-Optics, Wiley, New York, NY, 1985. 3 SAMPLED IMAGER RESPONSE FUNCTION In this chapter, the response function for a sampled imager is derived. The sampled imager response function quantifies the transfer response of the sampled system; that is, it describes how well the desirable scene content is preserved within the image.

Linear Systems, Fourier Transforms and Optics, Wiley: New York, NY, 1978. Goodman, J. , Introduction to Fourier Optics, McGraw-Hill: San Francisco, CA, 1968. Holst, G. , Sampling, Aliasing, and Data Fidelity, SPIE Optical Engineering Press, Bellingham, WA, 1998. LePage, W. , Complex Variables and the Laplace Transform for Engineers, Dover Publications, Inc, New York, NY, 1961. Oppenheim A. V. and R. W. Schafer, Digital Signal Processing, Prentice-Hall: Englewood Cliffs, NJ, 1975. 18(a) Sampling replicates the spectrum F(ξ) at every integer multiple of the sample frequency.

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