Radar module with software and hardware decoupling, radar system and method for acquiring radar data

The invention provides a software and hardware decoupling radar module, a radar system and a method for acquiring radar data, and the radar module comprises a transmitting and receiving antenna which comprises a transmitting antenna and a receiving antenna which are respectively used for transmitting and receiving radar signals; the MMIC is connected to the transmitting and receiving antenna and used for processing the radar signals to obtain processed radar wave original data; the data serial transmission circuit is connected to the MMIC data line and used for converting the radar wave original data output by the MMIC into serial data for transmission; the data signal superposition power supply circuit is respectively connected to the power supply management circuit, the data serial transmission circuit and the connector; the connector is used for being connected with an external transmission cable and transmitting serial data and a power supply; and the power supply management circuit filters and takes out