3 results about "Back coupling" patented technology

The utility model provides a dual-polarized antenna and communication equipment, and relates to the technical field of antennas. The dual-polarized antenna comprises a dielectric plate, a metal floor, a front-side antenna body and a back-side coupled feed circuit structure, the dielectric plate is connected to the metal floor, the front antenna body is provided with a gap, and the front antenna body and the back coupling feed circuit structure are respectively arranged on two opposite surfaces of the dielectric plate; the metal floor is provided with a first grounding point, and the first grounding point is connected with the outer conductor of the feed cable; the front antenna body is also provided with a first feeding point; the first feeding point is connected with the inner conductor of the feeding cable; the back coupling feed circuit structure is provided with a second feed point, and the second feed point is connected with the inner conductor of the feed cable. The communication equipment comprises the dual-polarized antenna. The dual-polarized antenna is simple in structure and convenient to assemble, and the production and manufacturing cost can be reduced.

A washing machine with a drying function can include a tub, a drum inside the tub and including: a cylindrical body having a rear end opening, and a drum back coupled to the cylindrical body to be over the rear end opening and including: a plurality of recess portions, a plurality of openings between adjacent recess portions and a plurality of porous plates coupled to the plurality of openings, a motor to provide a rotational force to the drum, a flange shaft between the drum and the motor to transmit the rotational force of the motor to the drum and including: a hub, and a plurality of flange portions extending radially from the hub, a drying duct configured to supply heated air into the tub, and an exhaust duct configured to return the heated air from the tub through the plurality of porous plates to the drying duct.

The application discloses a kind of based on front and rear coupling band communication signal link construction method, it is related to band communication signal link construction technical field, including: according to the basic circuit topology of signal acquisition circuit, form reconfigurable link;Link planning model is built;Identify signal processing scene, to be based on the spectrum characteristics and interference characteristics of scene demand, quantitative index analysis is carried out, target parameter is determined;Target parameter is imported into link planning model, executes the filter mode topology analysis and parameter scaling configuration based on scene preset rule, determines target signal link;Determine coupling connection strategy and unit element value matrix, obtain reconfigurable acquisition circuit.The application solves the technical problem that existing fixed structure filter circuit cannot be flexibly modified and is difficult to compatible with multiple signal acquisition, achieves the adaptive topology reconstruction and parameter automatic configuration of multi-scene signal acquisition circuit, improves the scene adaptation capability and filter processing precision of signal acquisition circuit.