Some questions about nrf_dm sample

Hello,

       As I was using the sample“nrf_dm”(SDK v2.6.1),I wondered how programs were run, how threads were scheduled to give measurements, and how I could learn about this?

Also, when I do actual measurements (MCPD, with high precision turned off), the ranging fluctuates a lot even when the device is at rest. How can I improve this?

I would appreciate it if you could give me some help.

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