I applied online. The process took 1 week. I interviewed at Xiaomi (Shanghai, Shanghai) in Sept 2021
Interview
The whole interview duration was around 30 minutes.
They asked basic signal processing knowledge, like FFT and resampling, and matrix calculation.
Ask my research experience listed in CV. This depends on personal experience
They don't test coding, that is strange.
Interview questions [1]
Question 1
Q: how to realize downsampling
A: apply low-pass filter and downsample
Q: about my research experiences..