A solution is found for the problem of phase cancellation between adjacent bright points in wavefront-division phase-shift interferometry. To this end, a design is proposed that optimizes the visibility of the interference pattern from multiple slits. The method is explained in terms of Fraunhofer diffraction and convolution imaging. Optical simulations verify the technique. The final design can be calculated using a simple equation.
The enterprise image is the general impression that the public gets in association with an enterprise directly. In the imformation age, the emergency of e-commerce provides a new way for the construction of enterprise image by the help of network technology. However, because of its abstraction, intangiblity, and complexity, it is become diffcult to get to know the enterprise image all-round. In order to find out the disadvantages and make the enterprise image more specific, this article provided a new model, a multi-granular fuzzy comprehensive evaluation model (MFCEM). Firstly, we bulit a new evaluation index system about e-commerce enterprise image. Then, a multi-granular fuzzy comprehensive evaluation method is designed based on the theory of granular computing, which has more flexible evaluation process. Finally, we put the model into application. From the result, the MFCEM has been proved to be effective on the evaluation of e-commerce enterprise image.
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