An antenna assembly, comprising: a metal protector of an image acquisition assembly, wherein the metal protector comprises a plurality of radiating slots, the plurality of radiating slots comprise a first radiating slot formed in a first direction and a second radiating slot formed in a second direction, and the first direction and the second direction are arranged at a first set angle; and a phase shift feed assembly configured to generate a first signal and a second signal having a phase difference of a second set angle, wherein the first signal is configured to excite the first radiating slot, and the second signal is configured to excite the second radiating slot, wherein the phase shift feed assembly comprises: a processing assembly configured to generate the first signal and the second signal having the phase difference of the second set angle; and a feed assembly connected to the processing assembly and configured to feed the radiating slots, characterized in that the feed assembly comprises: a feeder line electrically connected to the processing assembly and electrically connected to a feed point of each radiating slot, wherein the feed point is located on an outer edge of each radiating slot or an inner edge of each radiating slot, and wherein a distance between the outer edge of each radiating slot and a center of the metal protector is larger than a distance between the inner edge of each radiating slot and the center of the metal protector. a metal protector of an image acquisition assembly, wherein the metal protector comprises a plurality of radiating slots, the plurality of radiating slots comprise a first radiating slot formed in a first direction and a second radiating slot formed in a second direction, and the first direction and the second direction are arranged at a first set angle; and a phase shift feed assembly configured to generate a first signal and a second signal having a phase difference of a second set angle, wherein the first signal is configured to excite the first radiating slot, and the second signal is configured to excite the second radiating slot, wherein the phase shift feed assembly comprises: a processing assembly configured to generate the first signal and the second signal having the phase difference of the second set angle; and a feed assembly connected to the processing assembly and configured to feed the radiating slots, characterized in that the feed assembly comprises: a feeder line electrically connected to the processing assembly and electrically connected to a feed point of each radiating slot, wherein the feed point is located on an outer edge of each radiating slot or an inner edge of each radiating slot, and wherein a distance between the outer edge of each radiating slot and a center of the metal protector is larger than a distance between the inner edge of each radiating slot and the center of the metal protector. a processing assembly configured to generate the first signal and the second signal having the phase difference of the second set angle; and a feed assembly connected to the processing assembly and configured to feed the radiating slots, characterized in that the feed assembly comprises: a feeder line electrically connected to the processing assembly and electrically connected to a feed point of each radiating slot, wherein the feed point is located on an outer edge of each radiating slot or an inner edge of each radiating slot, and wherein a distance between the outer edge of each radiating slot and a center of the metal protector is larger than a distance between the inner edge of each radiating slot and the center of the metal protector. a feeder line electrically connected to the processing assembly and electrically connected to a feed point of each radiating slot, wherein the feed point is located on an outer edge of each radiating slot or an inner edge of each radiating slot, and wherein a distance between the outer edge of each radiating slot and a center of the metal protector is larger than a distance between the inner edge of each radiating slot and the center of the metal protector.