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The present disclosure provides an object detection method, an object detection device, an electronic device and a computer readable storage medium, which belong to the technical field of wireless communication. The method comprises: receiving a first echo signal of a first probe signal sent by a first base station to a detected object; analyzing the first echo signal to determine communication awareness information; eliminating offset information in the communication awareness information to determine intermediate data; performing feature decomposition based on the intermediate data to determine a signal transmission posture parameter of a second probe signal sent to the detected object; sending the second probe signal to the detected object according to the signal transmission posture parameter, and receiving a second echo signal of the second probe signal to determine an object detection result of the detected object according to the second echo signal. The present disclosure can accurately and effectively detect the detected object through multiple base stations.

The application provides a refrigerator. The refrigerator comprises an inner container, a mounting piece, a vacuum drawer, a magnetic field device and an electric connecting piece. The vacuum drawer comprises a drawer body and a cover. The cover and the drawer body are movably connected. The magnetic field device is arranged on the outer periphery of the vacuum drawer and is used for generating a magnetic field. The electric connecting piece comprises a power supply part and an electric connecting part. The power supply part is located in the storage chamber. The power supply part is arranged on the side of the mounting piece away from the opening of the inner container. The power supply part is used for electrically connecting with an external power supply. Part of the electric connecting part is located in the mounting cavity. The electric connecting part is arranged on the side of the vacuum drawer away from the opening of the inner container. The electric connecting part is electrically connected with the magnetic field device. The power supply part and the electric connecting part are used for butt joint in the pulling direction of the vacuum drawer. The power supply part and the electric connecting part are butt joint through the pulling of the vacuum drawer, so that the external power supply supplies power to the magnetic field device. The power supply structure is simplified through the butt joint.