[Atria Development Board AT32F421 Review] TEST06 CFFT related tests

Gen_X

[Atria Development Board AT32F421 Review] TEST06 CFFT related tests [Copy link]

 

Previously, we did a lot of tests on 1024-point CFFT. The test results show that

The ADC clock of AT32F421 is more stable and accurate than other clocks at 20M.

And CFFT-1024 can be completed within 2mS. It is very powerful.

This test mainly tests CFFT with points other than 1024. The test structure is satisfactory, except that CFFT-128 is not supported.

512, 1024, 2048, 4096, 8192... etc. are almost all acceptable. With ADCs of different rates, you can do FFT with a very wide or finer range (spectrum below 1 Hz).

I hope the official will provide logarithmic FFT and RFFT libraries later.

soso

The suggestions have been received and we will feedback to the manufacturer.

freebsder

DSP related functions are all done by ARM, and Arteli probably won't do this for you.

Gen_X

freebsder posted on 2021-5-17 23:25 DSP-related functions are all done by ARM, and Arteli probably won't do this for you.

Don't underestimate the wisdom of the Chinese!

Most of the smartest people in the world are in Asia.

The Chinese are Asians who are both smart and able to endure hardships.

Creation and grafting are what Chinese people are good at.

freebsder

Gen_X posted on 2021-5-19 20:59 Don't underestimate the wisdom of the Chinese! The smartest people in the world are basically in Asia. The Chinese are Asians who are both smart and hardworking. Creation...

That's nonsense. That's not how you get your blood pumped up.

Gen_X

I have only been to less than 10 countries, so it is impossible to be comprehensive. This is just my personal feeling.

Jacktang

Gen_X posted on 2021-5-22 21:22 I have only been to less than 10 countries, so it is impossible to be comprehensive. This is just my personal feeling.

I have been to many foreign countries.