4results about How to "Realize Broadband" patented technology

The embodiment of the present application discloses an antenna and a broadband matching network, the broadband matching network comprises: a passive impedance matching circuit and a non-Foster impedance matching circuit. The passive impedance matching circuit has a first port and a second port; the second port is connected with a coaxial port. The non-Foster impedance matching circuit has an input end and an output end; the input end is connected with the first port, and the output end is connected with a feed end of the antenna. The passive impedance matching circuit comprises at least one capacitor and at least one inductor which are connected with each other; and the non-Foster impedance matching circuit comprises at least one transistor and at least one capacitor, inductor or resistor which are connected with each other. The antenna of the embodiment of the present application realizes impedance matching between a coaxial cable and the feed end of the antenna by using the broadband matching network, realizes the broadband design of the antenna, and provides convenience for the miniaturization of the antenna.

The invention provides a ferrocene metal phthalocyanine-metal complex / ceramic composite wave-shrinking base material and a preparation method of the ferrocene metal phthalocyanine-metal complex / ceramic composite wave-shrinking base material. The ferrocene metal phthalocyanine-metal complex / ceramic composite wave-shrinking base material is characterized by comprising the following raw materials in parts by mass: a component A: 20-40 parts of a ferrocene metal phthalocyanine-metal complex organic magnet which is coordinated by any one of Cu, Co, Ni, Mn and Cr ions and contains Fe, Co and Ni; the component B is prepared from 20 to 50 parts of nano-scale dielectric ceramic powder; a component C: 10-20 parts of a thermosetting engineering plastic prepolymer or thermoplastic resin; a component D: 0.5 to 3.0 parts of a flame retardant; and the component E comprises 0.5-2.0 parts of a surface modifier, and the dose of the surface modifier subjected to Co < 60 >-gamma irradiation is 0-300 KGy. The base material disclosed by the invention can be used for realizing miniaturization and broadband of an antenna by using the simplest structural design in a wide frequency band of 0.1-10.0 GHz.

The invention discloses a four-port transparent broadband omnidirectional antenna, which relates to the technical field of communication and comprises a connector assembly, a plastic part is connected to the bottom of the connector assembly, optical cement is arranged at the bottom of an antenna film, a plastic supporting plate is arranged at the bottom of the optical cement, and a plastic part upper cover is arranged at the bottom of the plastic supporting plate. A large radiator is arranged in the center of the top of the radiator; 1, the light transmission is good, and the appearance is attractive; 2, the antenna is ultrathin and miniaturized, and ultra-wideband can be realized; 3.4 T4R array form can improve the capacity and transmission efficiency; the radiating body comprises five radiating units, namely a large radiating unit and four small radiating units, the radiating sheet adopts a metal mesh metal grid mode, and bonding pads are arranged on the radiating units. The four small radiation units are distributed on the periphery of the large radiation unit, feed branches extending out of the small radiation units are embedded into the large radiation unit to form a coupling effect, impedance can be changed by changing the embedding depth and gaps, impedance matching under the ultra-wide frequency band of 600MHz-7500MHz is facilitated, and the four small radiation units are distributed on the periphery of the large radiation unit.

The invention provides an antenna element capable of realizing broadband of available electromagnetic waves. An antenna element according to an embodiment of the present invention is provided with an inorganic material substrate, a first conductor layer, a support substrate, a cavity, and a ground conductor layer. The first conductor layer is disposed on one side of the inorganic material substrate in the thickness direction and includes a patch antenna. The support substrate is disposed on the opposite side of the inorganic material substrate from the first conductor layer. The cavity portion is disposed on the opposite side of the inorganic material substrate from the first conductor layer and on the inorganic material substrate side of the support substrate. The ground conductor layer is disposed in the hollow portion. The thickness t of the inorganic material substrate satisfies the following formula (1). When the patch antenna is projected in the thickness direction of the inorganic material substrate, at least a part of the projection surface of the patch antenna overlaps the cavity.