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解决方案

SYNOPSYS™15.90 版本发布

The update to version 15.90 incorporates the following changes:

Features:

1.The narcissus program NAR has been improved. Now it can evaluate the ratio of the narcissus at the marginal and chief rays, which is a useful target for minimizing the effect where there is a large cold stop. And the new command FNAR can create a bitmap picture showing what you would see on a display in the presence of the narcissus.

2.A new operand, RNAR can control the above ratio, thereby improving the narcissus.

3.If MTF or ZMTF encounter a problem with the lowest spatial frequencies, where there are insufficient pupil samples, it prints a warning message.

4.The environment package ENM now warns you if you try to implement an index perturbation where an index pickup is involved.

Bugs Fixed:

1.A very long radius of curvature turns on the hyperhemisphere flag.

2.The CAP calculation did not work properly for object type OBD.

3.If switch 84 is on and the pupil is noncircular, the MTF calculation was incorrect.

4.There was a problem with the BGI plot.

5.The dialog for editing GRIN data required changing.

6.The tabulated data for OFPSPRD did not match what was plotted.