All questions asked by Yihan Hu

List all solved & unsolved questions asked by Yihan Hu

How to derive 2nd order Butterworth condition for the damping coefficient mathematically?

1 Signal Processing Asked on 10/24/2021

butterworth damping filter design filters lowpass filter

Why are blown-out highights pink instead of white in Darktable?

1 Photography Asked on 07/29/2021

darktable highlights raw

How to get lighting text effect

0 Photography Asked on 07/29/2021

lighting portrait

Broken memory card cover Canon 7D markII, is there an override?

1 Photography Asked on 07/29/2021

canon canon 7d memory card

Can I put different lenses with a lens adapter on a point and shoot?

2 Photography Asked on 07/29/2021

adapter dslr lens

How to use my display calibration settings with photoshop

3 Photography Asked on 07/29/2021

color management display calibration photoshop

What photo editing software will keep tags (incl. face/people tags) with the file (EXIF/XMP)?

7 Photography Asked on 07/29/2021

face detection metadata photoshop elements tagging

What are these spots all over my pictures?

3 Photography Asked on 07/29/2021

Without modification, is the built-in pop-up flash EVER appropriate?

6 Photography Asked on 07/29/2021

flash popup flash

Preferred scan orientation for all-in-one scanner

2 Photography Asked on 07/28/2021

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