For example, "You want the radar to cooperate with mobile devices and check whether your posture is biased with your own radar wave" is actually an innovation of self-detection, and your technical disclosure needs several aspects:
(1) put forward the existing problems;
(2) Put forward your suggestion, that is, your suggestion is "let the radar cooperate with the mobile device and use its own radar wave to check whether its attitude deviates".
(3) What technical means did you use to achieve this goal, right? Which mobile devices, how does the radar calculate its own offset angle, what algorithm is this, and then how does this angle calculate how to trigger the mobile device?
As long as these three points, especially the third point, are explained clearly, the technical disclosure will be complete.
Just like your second situation, "take the best of the two beats", you understand correctly. What you don't know is to be expressed to the patent agent, so the technical disclosure must be clear about the plan, otherwise it is impossible to carry out detailed technical disclosure. But if you just want a patent and have no technology, you can honestly tell the agent that an agent like us will think with you.