164results about How to "Improve radiation efficiency" patented technology

The invention discloses a directional diagram reconfigurable antenna capable of switching feed through an MEMS switch, and belongs to the field of radio frequency front-end devices. The directional diagram reconfigurable antenna is composed of a micro-strip radiation unit, a guide parasitic unit, a composite beam ohmic contact type MEMS switch, a one-to-four feed network, a direct current bias line, a test patch bonding pad, a coplanar waveguide, a gradual change micro-strip line, a dielectric substrate and a metal ground backboard. The two-stage MEMS switches are erected on the one-to-four feed network, when the two-stage switches on a certain feeder line are turned on, radio frequency current can flow to the corresponding basic radiation unit through the feeder line to generate an inclined beam facing the quadrant, and the two basic radiation units on the front side can be enabled by simultaneously turning on the four switches on the front side to generate an inclined beam facing the quadrant. And generating an inclined beam in the front side positive direction. The antenna adopts a single-layer board design, the dielectric substrate does not need to be punched, the structure is simple, manufacturing is convenient, the adopted MEMS switch is small in loss and high in isolation degree, and rapid printing and manufacturing can be achieved through the surface etching process.

The invention discloses a circularly polarized dielectric resonator two-dimensional beam scanning phased-array antenna based on liquid crystal, and belongs to the technical field of microwave antennas. The antenna comprises an elliptic cylindrical dielectric resonator radiation structure, a sequential rotation feed network and a liquid crystal phase shifter structure based on a glass plate, wherein the elliptic cylindrical dielectric resonator radiation structure and the sequential rotation feed network are arranged on a flexible printed circuit board (FPC); the radiation structure and the feed network which are arranged on the FPC comprise a radiation unit, an FPC layer and a feed network; the liquid crystal phase shifter comprises a glass dielectric substrate, a liquid crystal layer, an inverted spiral microstrip line and a bias network; the elliptic cylindrical dielectric resonator radiation structure realizes wide impedance bandwidth and wide axial ratio bandwidth; the antenna array also uses a sequential rotation method, the axial ratio characteristic of the phased-array antenna is further improved, and the coupling feed structure is simplified by using the design that the L-shaped microstrip line is connected with the inverted spiral microstrip line after sequential rotation.

The invention discloses a terahertz wave band circularly polarized antenna based on sequential rotation feeding, and belongs to the field of radio frequency front-end devices. The circularly polarized antenna is composed of four microstrip patches, chamfers located on a radiation patch, a microstrip line, a microstrip line feed port, a sequential rotation feed network, a dielectric substrate, a metal ground backboard and a microstrip line matching structure. A 90-degree phase difference is generated by strictly designing the electrical length from each port to the feed network to realize circular polarization performance, right-handed circularly polarized waves are radiated, the radiation gain is 10.47 dB, the 3dB axial ratio bandwidth is greater than 8GHZ, the 3dB axial ratio range exceeds 90 degrees, and the complete half-power beam width is covered. The antenna adopts the microstrip line for feeding, the loss of the microstrip line is small, the microwave transmission characteristic is good, and the antenna radiation efficiency is high. The antenna adopts a single-layer board design, has no complex feed network, and is simple in structure and convenient to manufacture.

The invention discloses a millimeter wave polarization and directional diagram reconfigurable antenna, and belongs to the field of radio frequency front-end devices. The antenna is composed of symmetrical rectangular radiation patches, and a semicircular defect, a quarter circle defect, a rectangular branch load, an orthogonal bidirectional feed network, a T-shaped power dividing feed network, a composite beam ohmic contact type MEMS switch, a direct current bias line, a test patch bonding pad, a coplanar waveguide, a gradient matching structure, a dielectric substrate and a metal ground backboard which are located on the radiation patches. When the single-side MEMS switch on the T-shaped power dividing feed network is switched on, energy flows to the radiation unit on the side, and the leftward or rightward wave beam inclination effect can be achieved. When the MEMS on the two sides are both switched on, the radiation pattern points to the Z positive axis, no beam deflection exists, and therefore the pattern reconfigurable function in the left direction, the middle direction and the right direction can be achieved. When a switch on the orthogonal bidirectional feed network is closed, the size of the long line can realize 90-degree phase delay, and two orthogonal degenerate modes are synthesized into a circularly polarized wave to cover a complete half-power beam width.

The invention discloses a wide-beam metal frame mobile phone antenna, which comprises a metal frame provided with a plurality of opening gaps and a plurality of short circuit columns, the metal frame is divided into a plurality of frame components to form monopole antennas, and at least parts of the monopole antennas are positioned on the same straight line. According to the wide-beam metal frame mobile phone antenna, the plurality of opening gaps are formed in the metal frame of the wide-beam metal frame mobile phone antenna, so that the plurality of monopole antennas are formed on the metal frame, the multi-element monopole antenna array is further formed, the beam width can be expanded, the radiation efficiency can be improved, and the effects of wide beam and high gain can be achieved; the metal frame serves as an outer frame of the intelligent terminal, can play a role in fixing and protecting the intelligent terminal, and also serves as a radiator of an antenna of the intelligent terminal, so that the radiation performance of the intelligent terminal is improved, extra space does not need to be occupied, and the compactness of the intelligent terminal is improved. The antenna can be widely applied to the technical field of terminal equipment antennas.

The invention discloses an integrated low-profile broadband programmable metasurface antenna which comprises an antenna cover, an integrated low-profile programmable metasurface and a structural frame. The integrated low-profile programmable metasurface comprises an integrated low-profile programmable metasurface array surface; the integrated low-profile programmable metasurface array surface comprises a plurality of integrated low-profile programmable metasurface units; the integrated low-profile programmable metasurface unit is sequentially provided with a metal radiation patch, an upper dielectric substrate, a bias control line layer, a semi-cured bonding sheet layer and a strip line feed network layer; the metal radiation patch is printed on the front side of the upper dielectric substrate, the bias control line layer is printed on the rear side of the upper dielectric substrate, and the upper dielectric substrate is bonded with the strip line feed network layer through the semi-cured bonding sheet layer. The invention has the advantages of low profile, low power consumption and light weight; the antenna is high in radiation efficiency, and is suitable for the military fields of satellite communication, navigation, unmanned aerial vehicle data link terminals and the like with beam scanning and tracking capabilities.

The utility model relates to the field of wireless communication, in particular to a transparent antenna with high light transmittance, which comprises a transparent dielectric layer, a transparent antenna main body, a bearing layer, a polymer layer and a transparent conducting layer on the surface of the dielectric layer, and a grounding layer is a conductor and has excellent light transmittance. According to the utility model, the excellent conductive performance of the metal nanowire and the conductive characteristic and high light transmittance of the graphene film are utilized, the light transmittance and conductivity of the transparent conductive film are improved, the radiation efficiency of the transparent antenna is improved, and meanwhile, the graphene film and the metal nanowire have the bendable characteristic, so that the transparent antenna is more flexible. Therefore, the flexible transparent antenna can be prepared, the graphene film has the characteristic of non-penetrability to molecules and atoms, the stability of the composite structure transparent conductive film can be improved, the metal nanowire can be formed into a film by adopting a printing method, and the preparation cost can be reduced.

The utility model provides an ultra wide band antenna, the ultra wide band antenna includes feed transmission line, ground plate, dielectric slab, radiation unit, ground plate, dielectric slab and radiation unit stack connection in proper order, feed transmission line is electrically connected with radiation unit, radiation unit includes patch antenna and via hole, and the patch antenna is electrically connected with the dielectric slab. The patch antenna is provided with the via holes, the feed transmission line is electrically connected with the patch antenna, the plurality of via holes are arranged at the edge position of the patch antenna, and the via holes penetrate through the dielectric plate and are communicated with the grounding plate. According to the patch antenna provided by the utility model, through adding the via hole, resonance which can be realized by half wave originally required can be realized with a smaller size under the condition that no slot is formed. Besides, miniaturization of the antenna area is realized, the polarization influence of the antenna is reduced, the radiation efficiency is increased, and the damage to the antenna gain is reduced, so that the positioning precision and distance are improved.

The invention provides a low RCS F-P resonant cavity antenna based on a lossy metasurface and an AMC structure. The low RCS F-P resonant cavity antenna comprises an absorption type partial reflection surface structure located on the upper portion and a feed source antenna structure located on the lower portion. The absorption type partial reflection surface structure comprises a lossy metasurface layer, a metal patch common ground layer and a metal patch AMC1 layer which are separated by a first dielectric substrate layer and a second dielectric substrate layer; the feed source antenna structure comprises an antenna patch layer, a metal floor layer, a coaxial structure and a third dielectric substrate layer, the antenna patch layer and the metal floor layer are oppositely arranged on the third dielectric substrate layer, and the coaxial structure is connected between the antenna patch layer and the metal floor layer. According to the invention, a method for analyzing the wave absorption and reflection performance of the two ports of the PRS structure unit is adopted, the process of integrated design of the low-RCS, high-directivity and high-gain F-P antenna is simplified, the overall profile of the antenna is effectively reduced, and the antenna is easier to be integrated with other radio frequency devices for use.

The invention relates to foldable electronic equipment, which comprises a first main body, a second main body and a rotating shaft, and is characterized in that the first main body and the second main body are rotatably connected through the rotating shaft, so that the foldable electronic equipment has an unfolded state and a folded state, and the first main body comprises a first radiator, a first feed part and a first grounding part; the first feed part and the first grounding part are electrically connected to the first radiator respectively, so that the working frequency band of the first radiator at least covers the first frequency band, the second main body comprises parasitic branches, and in the folded state, the first radiator and the parasitic branches are stacked at intervals in the first direction; the projection of the first radiator in the first direction at least partially coincides with the projection of the parasitic branch in the first direction, positive integer multiples of 1 / 2 wavelength corresponding to the first frequency band jointly form a first length number set, and the length of the parasitic branch is within the first length number set; therefore, the parasitic stub can have a resonance mode corresponding to a 1 / 2 wavelength current mode of the first frequency band.

The invention discloses a waveguide power dividing device with a ridge on an H surface and a waveguide antenna, and belongs to the technical field of antennae, the waveguide power dividing device comprises a waveguide power divider, the waveguide power divider adopts a T-shaped structure, the waveguide power divider is provided with a waveguide transmission line, a branch waveguide A and a branch waveguide B, and the ridge is arranged on the H surface of the waveguide power divider; the feed end of the waveguide transmission line is used for feeding, the radiation end of the branch waveguide A and the radiation end of the branch waveguide B are used for radiation, and the electric fields of the radiation end of the branch waveguide A and the radiation end of the branch waveguide B are in the same phase. According to the invention, the problem that the directions of electric fields are opposite when H-plane waveguide feed passes through a one-to-two power divider is solved. According to the waveguide antenna, the waveguide power divider with the H face and the ridge is adopted, the complex structure of waveguide E-to-H is simplified, and meanwhile the profile of the antenna can be further reduced; the waveguide antenna provided by the invention has the characteristics of ultra wide band, wide beam, low side lobe and the like.

The invention provides a cross coupling microstrip filtering oscillator antenna and an array thereof, and belongs to the field of large phased array radar systems.The cross coupling microstrip filtering oscillator antenna comprises an antenna feed port, a reflecting plate, a suspended cross coupling microstrip circuit board, a filter cover plate and metal oscillator arms, the filter cover plate is located on the upper surface of the reflecting plate, and a suspended air cavity is defined by the filter cover plate and the reflecting plate; the suspended cross-coupled microstrip circuit board is located in the suspended air cavity, an inner conductor of the antenna feed port extends into the suspended air cavity to be connected with the suspended cross-coupled microstrip circuit board, an outer conductor of the antenna feed port is connected with the reflecting plate, and the metal oscillator arm is located on the filter cover plate. One radiation arm in the metal oscillator arms is connected with the suspended cross-coupled microstrip circuit board, and the other radiation arm is grounded; the radiation characteristic is directly realized on the filter cover plate, and a wider working bandwidth is realized under the conditions that the lower sideband of the suspended broadband high-pass filter is high in suppression, the original filtering performance of the filter is not changed and the profile height is basically kept, so that the problem of interference of an auxiliary radar on a main radar is solved.

An embodiment of the present application provides an electronic device, including an antenna structure, which can achieve the purpose of changing the antenna radiation characteristics and improving the antenna radiation efficiency by performing a secondary injection molding process through an NMT process to change the dielectric parameters of the dielectric layer corresponding to the radiator at different positions. The electronic device may include: a frame and a dielectric layer; the frame has a first position and a second position, wherein the frame between the first position and the second position serves as the antenna radiator; at least part of the inner surface of the frame is provided with a first medium except for the frame between the first position and the second position; at least part of the surface of the antenna radiator is provided with a second medium; the first medium and the second medium are different.

The invention provides a mobile terminal. The mobile terminal comprises three shells and an antenna system, wherein the three shells are rotationally connected in sequence. The antenna system comprises a satellite antenna, the satellite antenna comprises a satellite radio frequency link, a first radiator, a second radiator, a third radiator, a first tuning circuit and a second tuning circuit, and the satellite radio frequency link is coupled with the third radiator. The first radiator, the second radiator and the third radiator are respectively arranged in different shells, and the three radiators are located at one end of the mobile terminal. The first radiator is coupled with the first tuning circuit, and the second radiator is coupled with the second tuning circuit. By adopting the scheme, when the satellite antenna is in a working state, the first radiating body and the first tuning circuit as well as the second radiating body and the second tuning circuit as well as the third radiating body can be utilized to jointly generate the target directional diagram of the satellite antenna, so that the optimization of the directional diagram of the satellite antenna and / or the gain of the satellite antenna is facilitated; therefore, the communication performance of the satellite antenna can be improved.

The invention discloses a periodically broken grating surface emitting terahertz quantum cascade laser and an optimization method. The periodic broken structure is introduced into the electrode layer, the potential periodicity of the periodic broken structure ensures the formation of distributed feedback, resonance and frequency selection in the laser can be realized, and meanwhile, due to the non-periodic characteristic of the periodic broken structure locally, the resonance mode of the periodic broken structure is between a symmetric mode and an anti-symmetric mode, so that the frequency selection efficiency of the laser is improved. Therefore, the radiation efficiency and the power of the laser can be effectively improved. Meanwhile, grating parameters are optimized through the genetic algorithm, the difficulty and time cost of forward design of the grating structure by analyzing the mode field are reduced, and the method has high design freedom degree and flexibility. The terahertz quantum cascade laser grating structure designed by the invention has high radiation efficiency and can realize high-power output.

The utility model provides a millimeter wave antenna device and a terminal device, the millimeter wave antenna device comprises a grounding plate, a dielectric plate, a radiation assembly and a feed assembly electrically connected with the radiation assembly which are connected in sequence, and the vertical projection of the radiation assembly covers the grounding plate; the radiation assembly comprises a main radiation unit and a secondary radiation unit, and the secondary radiation unit is coupled with the main radiation unit; the secondary radiation unit comprises a first radiation patch antenna, a second radiation patch antenna, a third radiation patch antenna and a fourth radiation patch antenna, and the first radiation patch antenna, the second radiation patch antenna, the third radiation patch antenna and the fourth radiation patch antenna are coupled and connected around the main radiation unit. The millimeter wave antenna device not only can effectively improve the isolation between antennas, but also can effectively improve the overall radiation efficiency of the antennas.

The invention provides an electronic device. The electronic equipment comprises a floor and an antenna assembly. The floor comprises a first edge and a second edge which are connected in a bent mode, and the first edge is longer than the second edge. The antenna assembly comprises a first antenna, and the first antenna comprises a first radiator and a first feed source; at least part of the first radiating body is arranged corresponding to the first edge, the first radiating body comprises a first main radiating body and a first parasitic radiating body, the first main radiating body comprises a first end, a first feeding point and a first coupling end which are arranged in sequence, and the first parasitic radiating body comprises a second coupling end and a second end which are arranged in sequence; the first feed source is electrically connected to the first feed point and excites the first resonant mode to support a first sub-band of a first target band, the second resonant mode supports a second sub-band of the first target band, the band ranges of the first sub-band and the second sub-band are different, the first resonant mode comprises a parasitic mode of the first parasitic radiator, and the second resonant mode comprises a parasitic mode of the second parasitic radiator. The second resonant mode includes a zero-order mode.

The invention provides a substrate integrated trapped wave mirror image dielectric waveguide S-shaped circularly polarized antenna, which belongs to the field of antennas and comprises an S-shaped dielectric radiator, a metalized through hole, a microstrip feeder line, a first metal grounding plate, a first dielectric substrate, a second metal grounding plate and a second dielectric substrate, the S-shaped dielectric radiator is embedded in the first dielectric substrate and located in the center of the antenna, the lower surface of the S-shaped dielectric radiator is tightly attached to the second metal grounding plate, the upper surface of the S-shaped dielectric radiator is not covered, a plurality of metalized through holes penetrate through the first dielectric substrate and are arranged on the periphery of the S-shaped dielectric radiator in an array mode, and a gap is formed in the second metal grounding plate. The microstrip feeder is located on the lower surface of the second dielectric substrate and is perpendicular to the gap. The end, away from the gap, of the microstrip feeder is connected to a feed port in the second dielectric substrate. Circular polarization is easy to realize by combining the bent dielectric structure with the slot coupling feed at the bottom, and the radiation efficiency of the antenna is improved by using the notch mirror image structure in the antenna design.

An ultra-wideband end-fire antenna with a common aperture embedded in a metal carrier includes a metal cavity with a coaxial cable compartment on one side. A radiator module is connected to the bottom of the metal cavity via a radiator fixing slot. The radiator module includes a common aperture antenna substrate. A low-frequency radiator is printed on the side of the common aperture antenna substrate closer to the coaxial cable compartment, and a high-frequency radiator is printed on the side farther from the coaxial cable compartment. This invention utilizes a dual-band antenna in a common aperture design to enhance the channel capacity and anti-fading capability of the communication system. At the same time, by achieving the antenna's carrier conformal characteristics, high isolation, and miniaturization, it enriches the antenna's application scenarios and improves the overall performance of the communication system.

The present application discloses a waveguide structure and an antenna system, which relate to the field of wireless communication technology. The waveguide structure has a waveguide cavity, and the waveguide structure includes a metal shell and a metal sleeve, the metal shell has an annular convex portion, at least part of the metal sleeve is arranged in the accommodating space of the annular convex portion, the inner surface of the metal sleeve forms at least part of the waveguide cavity, the metal sleeve is provided with a feeding port, and the annular convex portion is used to be detachably connected to a reflective surface radiation component. This solution can solve the problem that the current antenna has a small application range due to a relatively fixed coverage distance during use.

The present application provides a dual-frequency dual-polarization antenna unit, a subarray phase-shifting module and a phased array antenna array, wherein the antenna unit includes a radiation loading unit, a horn antenna and an orthogonal coupler; the subarray phase-shifting module includes a transmitting and receiving feeding network and a plurality of dual-frequency dual-polarization antenna units arranged in a straight line; the dual-frequency dual-polarization phased array antenna array includes a plurality of dual-frequency dual-polarization phased modules arranged in sequence; by integrating the orthogonal mode coupler into the radiating antenna unit, dual-frequency dual-line polarization is realized and the mutual interference between the transmitting and receiving ports is reduced; by adopting a broadband horn antenna as a basic radiating unit, co-aperture radiation of transmitting and receiving is realized; a radiation loading unit is added above the antenna to suppress the sidelobe level and improve the main polarization gain; a low-loss transmitting and receiving air waveguide feeding network is adopted to realize equal-radiation and in-phase excitation of the antenna unit, thereby improving the compactness of the array structure and effectively reducing the profile height; through the modular design of the subarray of the phased array, the phase-shifting radio frequency module is reduced to reduce the cost.

The utility model relates to the technical field of remote control, and discloses an antenna for an air mouse remote controller, which can integrate a plurality of antennas on a small dielectric substrate and simultaneously give consideration to effective transmission and reception of signals, thereby realizing efficient and smooth user interaction experience. The antenna comprises a dielectric substrate, a plurality of bottom radiation units, a plurality of side radiation units, a first metal layer and a plurality of dielectric ridges. The dielectric ridge vertically protrudes upwards from the top surface of the dielectric substrate, the top surface of the dielectric substrate is provided with the first metal layer, the plurality of bottom surface radiation units are arranged on the bottom surface of the dielectric substrate, each bottom surface radiation unit is internally provided with a slot and a feed structure hole, and the first metal layer is arranged on the top surface of the dielectric substrate. The bottom surface radiation unit is connected with the first metal layer through a second metal layer on the inner wall of the slot, the plurality of side surface radiation units are arranged on the outer side surface of the dielectric ridge, and the side surface radiation units are connected with the first metal layer through third metal layers arranged on the upper surface of the dielectric ridge and the inner wall of the dielectric ridge. The number of the bottom surface radiation units is equal to that of the side surface radiation units, and the positions of the bottom surface radiation units correspond to those of the side surface radiation units.

The invention discloses a quasi-single-mode circular waveguide conical horn antenna, a radar and a communication device. The quasi-single-mode circular waveguide conical horn antenna comprises a circular waveguide section and a conical horn section. Conductor loss is reduced by remarkably increasing the diameter of the circular waveguide, and axial periodic annular grooves are formed in the inner wall of the circular waveguide to form a spatial mode filter and a selective attenuation high-order mode, so that high radiation efficiency and high mode purity are realized at the same time in a millimeter wave frequency band. And the conical horn section adopts an index profile to realize high-directionality radiation. The antenna structure effectively solves the technical problems of large loss and impure mode in a millimeter wave high-frequency band in the traditional design.

The invention provides a microstrip antenna and a radar. According to the microstrip antenna provided by the invention, the antenna unit comprises the plurality of patch antennas, the plurality of feed microstrip lines and the microstrip power divider, the patch antennas are respectively connected to the microstrip power divider through the feed microstrip lines to form a linear array, and the distances between the adjacent patch antennas are unequal. According to the antenna, the insertion loss increased by a series-parallel combined feed network can be reduced, the maximum beam offset is realized, and the radiation efficiency of the antenna is effectively improved.

The application provides an X-band broadband high-gain radar metasurface antenna and a design method thereof. The metasurface antenna comprises, from top to bottom, a metasurface layer, an intermediate metal layer and a lower microstrip feed line layer. The metasurface layer comprises at least one metasurface unit. An asymmetric chamfer structure is designed on each metasurface unit. A center fork-shaped slot is arranged at the center of each metasurface unit, and four embedded parasitic branches are arranged at four side edges, respectively. Rectangular coupling slots corresponding to each metasurface unit are arranged on the intermediate metal layer. Feed lines corresponding to each metasurface unit are arranged on the lower microstrip feed line layer. The design method provided in the application can improve the design efficiency.

The invention relates to the technical field of communication antenna equipment, in particular to a double-frequency four-arm helical antenna structure and a design optimization and control method thereof. The double-frequency four-arm spiral antenna comprises an FPC base material, the FPC base material is made of polyimide materials, four spiral antennas are integrated on the FPC base material, the spiral antennas are made of electrolytic copper foil conductors, the total thickness of each spiral antenna is smaller than 0.15 mm, the four spiral antennas are arranged on the FPC base material in a 90-degree directional spiral mode, and the thickness of each spiral antenna is smaller than 0.15 mm. And the helical antennas are used for enhancing the directivity and gain ratio of signal transmission, are mutually independent and have phase differences. The invention provides an innovative dual-band four-arm helical antenna design which realizes dual-band accurate frequency control and performance balance through accurate structural parameter optimization, not only has good radiation characteristics and wide bandwidth, but also effectively reduces interference among the frequency bands; the problems of frequency precision, size, weight and the like in the prior art are solved.

The invention provides an antenna assembly and electronic equipment. The antenna assembly comprises a first radiator and a first feed source, the first feed source is connected with a first feeding point located on the first radiator, and the first feed source excites the first radiator to resonate in a first target frequency band; the second feed source and the adjusting circuit are respectively connected with a second feeding point and a third feeding point which are positioned on the second radiating body, and the second radiating body is coupled with the first radiating body through a gap between the second free end and the first free end; the second feed source excites the second radiator and / or the first radiator to resonate in a second target frequency band, and the adjusting circuit is used for adjusting and controlling the path length of the resonance current corresponding to the second target frequency band, and the path of the resonance current corresponding to the second target frequency band is different from the path of the resonance current corresponding to the first target frequency band. The radiation efficiency of the first target frequency band and the second target frequency band is effectively improved, so that the communication performance is improved.

The invention relates to a half-wave oscillator antenna device based on a reflection cavity structure and an adjusting method thereof, the device comprises a copper-clad plate reflection cavity, a half-wave oscillator antenna, a microstrip feeder line, a copper-clad plate, an SMA interface and a reflection cavity bottom surface, the copper-clad plate reflection cavity is connected with the peripheral edge of the reflection cavity bottom surface to form a semi-closed cavity with an opening facing one side; the bottom surface of the reflection cavity is provided with a through hole matched with the SMA interface, one side of the copper-clad plate is connected with the bottom surface of the reflection cavity, the half-wave oscillator antenna and the microstrip feeder line are both arranged on the surface of the copper-clad plate, and one end of the half-wave oscillator antenna is connected with the SMA interface through the microstrip feeder line. Compared with the prior art, the antenna has the advantages that the structure is simple, wave beams can be more concentrated under the condition that the bandwidth of the antenna is not affected, and therefore the high-gain effect of the antenna is achieved.

The invention provides an antenna and electronic equipment, and relates to the technical field of communication. The antenna includes: a metal body; the feeding point is connected with a first position of the metal body and is connected with a first connecting point representing grounding; and the frequency response device is connected with the second position of the metal body and is connected with a second connection point representing grounding, and the frequency response device enables the metal body to receive the receiving signal of the target frequency band and transmit the transmitting signal of the target frequency band at the same time.

The present application relates to the field of communication technology, and discloses an antenna, comprising: a substrate, comprising a first surface, a second surface and a through hole penetrating the first surface and the second surface; a radiation patch, arranged on the first surface of the substrate, configured to radiate a signal; a ground patch, arranged on the second surface of the substrate, and completely covering the second surface; the through hole, arranged in the center of the substrate; the radiation patch and the ground patch are electrically connected through the through hole. In the embodiment of the present disclosure, the size of the antenna is reduced and the unidirectional radiation efficiency of the signal is improved through the design that the ground patch completely covers the second surface of the substrate, and the radiation patch and the ground patch are connected through the through hole in the center of the substrate, so as to ensure that the antenna can be arranged in a smaller installation space, and improve the radiation efficiency of the antenna signal during communication with external equipment when used in a confined space. The present application also discloses a heating device, which includes the above-mentioned antenna.