20 results about "Broadband antennas" patented technology

Competing tradeoffs of overall footprint, weight, and performance impact the design of antennas for many applications. However, those for compact portable devices or mobile platforms exploiting global navigation satellite systems these are further compounded by seeking good performance over a wide angular range. Accordingly, it would be beneficial to provide designers of a wide range of electrical devices and systems with compact broadband antennas which offer a low vertical profile relative to that provided by the common filar element approaches for high precision applications. Accordingly, through a combination of a dipole, a parasitic element, and additional ground elements to a convention ground plane the inventors provide broadband high performance antenna designs with low profile and low overall footprint.

A portable multifunctional AI enabling electronic countermeasure system relates to the technical field of electronic countermeasure, and comprises a host housing, the bottom of the host housing is provided with a tripod, and the surface of the host housing is provided with a plurality of broadband antennas and a reference omnidirectional antenna; a plurality of transceiving front-end assemblies, a receiving front-end assembly and a signal processing unit are arranged in the host shell, the transceiving front-end assemblies are electrically connected with the broadband antennas in a one-to-one correspondence manner, and the reference omnidirectional antenna is electrically connected with the receiving front-end assembly; the plurality of transceiving front-end assemblies and the receiving front-end assembly are electrically connected with the signal processing unit; the signal processing unit is used for processing the radio frequency signals output by the plurality of transceiving front-end assemblies and the receiving front-end assembly by adopting an AI algorithm model to generate corresponding interference signals, and the interference signals are sent to the broadband antenna through the plurality of transceiving front-end assemblies; the method is used for solving the problems of weak interference capability and slow deployment speed in the prior art.

The present application provides a small base station broadband antenna, including an antenna unit and a metal carrier, wherein the antenna unit is arranged at the edge of the metal carrier. The antenna unit includes: a radiator, a circuit board, and a current path branch. The radiator is connected to the circuit board so as to be arranged on the metal carrier through the circuit board; the current path branch is a metal sheet structure connecting the radiator, and the current path branch is parallel to the metal carrier; the feeding current flows through the current path branch to form a construction current, so that the feeding current distribution path on the radiator is opposite to the ground current on the side close to the center of the metal carrier; and a compensation current path is formed to offset the reverse current on the radiator. The present application improves the radiation roundness by constructing an antenna to compensate for the radiation current, and has a simple structure, stable performance, and easy installation, thereby solving the problem of poor radiation roundness of existing broadband antennas.

The invention relates to the technical field of broadband antennas, in particular to a high-isolation broadband antenna system which comprises a main body plate, a detachable broadband mechanism is arranged at the upper end of the main body plate, the detachable broadband mechanism comprises a placement groove formed in the upper end of the main body plate, and a plurality of connecting plates arranged at equal intervals are arranged in the placement groove of the main body plate. The side surfaces of the plurality of connecting plates are slidably connected with a plurality of first fixing bodies respectively, the upper ends of the plurality of first fixing bodies are fixedly connected with grounding plates respectively, and the upper ends of the plurality of grounding plates are fixedly connected with dielectric substrates respectively; and the fourth limiting body is blown by the airflow to drive the scraping block to clean the coating at the antenna slot, so that the cleanliness in the antenna slot is ensured, and the signal strength of the slot broadband antenna is improved.

Competing tradeoffs of overall footprint, weight, and performance impact the design of antennas for many applications. However, those for compact portable devices or mobile platforms exploiting global navigation satellite systems these are further compounded by seeking good performance over a wide angular range. Accordingly, it would be beneficial to provide designers of a wide range of electrical devices and systems with compact broadband antennas which offer a low vertical profile relative to that provided by the common filar element approaches for high precision applications. Accordingly, through a combination of a dipole, a parasitic element, and additional ground elements to a convention ground plane the inventors provide broadband high performance antenna designs with low profile and low overall footprint.

The utility model relates to the technical field of broadband antennas, in particular to an adjustable multi-array broadband antenna. The utility model provides an adjustable multi-array broadband antenna which comprises a router, first antennas, second antennas, an interface and the like, the first antennas are rotatably arranged on the left side and the right side of the router, the first antennas are rotatably arranged on the rear side of the router in a bilateral symmetry mode, the second antennas are slidably arranged on the first antennas, the interface is arranged on the front side of the router, and the adjustable multi-array broadband antenna further comprises a stabilizing assembly. And a stabilizing assembly is arranged at the bottom of the router. According to the utility model, the electric suckers are started to be adsorbed on the desktop, the router is fixed, compared with a traditional placement mode, the stability of the router when the router is placed on the desktop is improved, the router is effectively prevented from shifting and even toppling over due to external force collision, touch and the like, and the normal use of the router is guaranteed.

A compact broadband antenna system for a water meter module including a dual-band monopole antenna system having an elongated ground plane, spiral radiating elements that enable operation in a first frequency band, and patch radiating elements that enable operation in a second frequency band, separate from and higher than the first frequency band. The water meter module may include a water-tight enclosure to house the dual-band-monopole antenna system and other components.

The embodiment of the application relates to the technical field of broadband antennas, and discloses an antenna, the antenna comprising a dielectric substrate, a dielectric patch, an adjusting assembly, a ground plate and a feeding structure, the dielectric substrate comprising oppositely arranged first and second surfaces; the dielectric patch is arranged on the first surface, the dielectric patch is provided with a first groove, one end of the first groove is provided with a first opening; one end of the adjusting assembly abuts the groove bottom of the first groove, the other end of the adjusting assembly extends out of the first opening, the adjusting assembly can move forward or backward along the direction of the first opening to change the length of the first groove; the ground plate is arranged on the second surface, the ground plate is provided with a gap for coupling with the dielectric patch; the feeding structure is arranged on the second surface. In the above manner, the embodiment of the application can adjust the frequency of the antenna.

Overall coverage area, weight, and performance tradeoffs affect the design of antennas for many applications. However, for small portable devices or mobile platforms using global navigation satellite systems, these devices are further combined by seeking good performance over a wide angular range. Thus, designers providing a wide variety of electrical devices and systems with compact broadband antennas that provide low vertical profile relative to the vertical profile provided by the common wire element approach for high precision applications would be beneficial. Thus, by combining a dipole, parasitic element, and an additional ground element to a conventional ground plane, the inventors provide a broadband high performance antenna design with low profile and low overall coverage area.

Systems, devices, and methods relating to dual broadband antennas with arbitrary frequency ranges are provided. An exemplary antenna structure includes a high-band patch antenna for wirelessly transmitting a first signal in a first frequency band; a low-band patch antenna for wirelessly transmitting a second signal in a second frequency band lower than the first frequency band, wherein the low-band patch antenna is vertically stacked below the high-band patch antenna and spaced from the high-band patch antenna by a dielectric substrate; a high-band excitation contact hole electrically coupled to the high-band patch antenna; and a low-band excitation contact hole electrically coupled to the low-band patch antenna, wherein the high-band excitation contact hole is separated from the low-band excitation contact hole.

The invention provides a dual-polarized broadband MIMO antenna, which comprises at least two dual-polarized broadband antennas adjacently arranged on a reflective conductive plate, each dual-polarized broadband antenna comprises a dual-polarized radiation unit, the dual-polarized radiation unit is surrounded by two conductive rings, the two conductive rings are connected through at least two conductive bands, and the conductive bands are connected with the dual-polarized radiation unit. A lens is arranged above the dual-polarized radiation unit; the lens provides the same delay coefficient for any polarized electromagnetic waves propagating parallel to the axis of the lens, and the delay degree of the lens to the electromagnetic waves propagating in the axis direction of the lens is larger than the delay degree of the lens to the electromagnetic waves propagating in other directions. Compared with a conventional antenna, the dual-polarization broadband MIMO antenna has higher gain and lower sidelobe level. The focusing device in the dual-polarized radiation unit and the conductive ring connected through the conductive band can focus electromagnetic waves radiated by the radiation unit to the lens above, so that mutual coupling between adjacent lens antennas is reduced.

The application discloses a kind of super surface broadband antennas based on eigenmode analysis, the upper surface of the antenna adopts non-periodic square super surface structure, by adjusting the size of different parts square patch and gap width, the modality significance and current distribution of super surface whole can be regulated, to filter out suitable mode.Determine the size of super surface whole, based on the current distribution obtained by eigenmode analysis, select the optimal feeding position, and adopt coaxial feeding mode to feed the antenna.The application applies eigenmode analysis to the design of non-periodic square super surface structure, by optimizing square patch of different cutting modes, the peripheral surface current is gathered on the center patch, so as to facilitate the observation of the modal characteristics and current distribution of super surface structure, quickly determine the appropriate mode and feeding position, simplify the design process of super surface antenna.

The invention discloses a precise tuning system for a broadband antenna, which comprises a PIFA antenna, a tuner, a tuning component and a filter, and is characterized in that the PIFA antenna comprises a radiator, a first pin and a second pin, the first pin and the second pin are arranged on the lower end wall of the front end part of the radiator side by side, the lower end part of the first pin is provided with a grounding point, and the lower end part of the second pin is provided with a second grounding point; the lower end part of the second pin is provided with a feed point, the feed point is electrically connected with the radio frequency front end through a feed line, one end of each tuner is electrically connected with the lower end part of the first pin or the feed line, the number of the filters is one or more, the filters are arranged at the lower end parts of the tuners, and the filters and the tuners are connected in parallel. The tuning components are connected with the filters in series and electrically connected with the ground. According to the technical scheme provided by the invention, different frequency bands can be accurately tuned by matching different filters without influencing other frequency bands, and meanwhile, additional resonance caused by inherent Ron and Coff of a radio frequency tuning switch can be avoided.

The dual-polarization broadband MIMO antenna provided by the invention is better in return loss and wider in working frequency band. Wherein the arrangement of the decoupling wall significantly reduces the mutual influence between the lenses, so that the wave beam is more stable, the isolation between the dual-polarized broadband antennas is improved, and the antenna gain is enhanced. The multiple decoupling layers arranged side by side generate surface traveling waves and focus electromagnetic waves propagating in the direction perpendicular to the layers into the radiator. In addition, the lens composed of the layered stubs has significantly reduced energy reflected from waves penetrating the outer contour thereof compared to a lens made of a homogeneous dielectric material. Therefore, compared with a dual-polarized antenna using a traditional dielectric lens, the dual-polarized antenna adopting the lens has the advantage that the interference on an adjacent dual-polarized antenna is much smaller. In addition, this decoupling wall has little impact on return loss and is easier to manufacture compared to conventional solutions.

The invention relates to the technical field of broadband antennas, and provides a broadband antenna matching structure and a working method and design method thereof, the broadband antenna matching structure comprises a radio frequency input interface Rfin, a power amplifier PA, a matching network, a directional coupler and an antenna which are connected in sequence; and the matching network is used for carrying out frequency band division, impedance matching and signal synthesis according to an antenna standing wave coefficient. According to the invention, the broadband antenna is divided into two or more sections, then low-frequency-band signals are connected with the antenna after passing through the matching network, and high-frequency-band signals are directly connected with the antenna. Signals are automatically shunted and converged according to the impedance of a designed matching network, a certain overlapping band exists between different frequency bands, broadband signals can work at the same time, theoretically, the circuit can be utilized to continue to expand and reduce the antenna standing wave coefficient of each frequency band, and the circuit can be applied to various radio frequency systems.

The utility model provides a portable multifunctional AI empowers electronic countermeasure system relates to electronic countermeasure technical field, including host computer casing, the bottom of host computer casing is installed with tripod, and the surface of host computer casing is installed with a plurality of broadband antennas and a reference omnidirectional antenna, be provided with a plurality of transceiving front end components, a receiving front end component and signal processing unit in host computer casing, wherein a plurality of transceiving front end components and a plurality of broadband antennas are corresponding electric connection, reference omnidirectional antenna and receiving front end component electric connection, and a plurality of transceiving front end components and receiving front end component all are electric connection with signal processing unit, signal processing unit is used to adopt AI algorithm model to process radio frequency signal that a plurality of transceiving front end components and receiving front end component output, generates corresponding interference signal, and the interference signal is sent to broadband antenna through a plurality of transceiving front end components again, it is used to solve the problem that traditional interference ability is weak, and slow deployment.

The invention relates to the technical field of short-wave broadband antennas, in particular to a folding type three-wire short-wave broadband antenna which comprises a stay wire, insulating rods, antenna oscillators and a matcher machine box, the insulating rods are evenly arranged on the stay wire, the matcher machine box is arranged below the stay wire, the antenna oscillators are arranged between the matcher machine box and the stay wire, and the stay wire is connected with the matcher machine box. A radio frequency cable is arranged at the bottom of the matcher machine box, the number of the stay wires is three, the insulating rod comprises a middle rod and two folding rods, the two ends of the middle rod are rotationally connected with the ends of the folding rods through hinges, positioning rings are fixedly arranged on the lower side rod wall of the middle rod and the ends of the two folding rods, and the three stay wires penetrate through the three positioning rings respectively. The interior of the middle rod is hollow, and a first locking mechanism is arranged between the inner side of the middle rod and the two folding rods. According to the invention, the broadband antenna can be folded conveniently, the folding efficiency is high, the labor intensity of workers is reduced, the occupied space is small during storage and transportation, and the transportation convenience is improved.

The invention belongs to the technical field of broadband antennas, and particularly relates to a broadband and low-insertion-loss millimeter wave reconfigurable reflection unit based on an HTCC technology. The HTCC multi-layer wiring ceramic tube shell comprises an HTCC multi-layer wiring ceramic tube shell, a unit metal circuit sheet is installed in the HTCC multi-layer wiring ceramic tube shell, the unit metal circuit sheet is connected with a plurality of pin switching diodes, a direct current control branch knot is arranged in the tube shell, the other end of the direct current control branch knot penetrates out of a cavity of the HTCC multi-layer wiring ceramic tube shell, and the other end of the direct current control branch knot is connected with the pin switching diodes. A round pad for welding a ball grid array (BGA) ball is formed at the bottom of the HTCC multilayer wiring ceramic tube shell, the tube shell is further provided with a plurality of quartz plane spiral inductors, the quartz plane spiral inductors are respectively connected with unit metal circuit sheets and direct current control branches through gold wires, an opening of the tube shell is connected with a metal cover plate, and the metal cover plate is connected with a metal wire. And a metal short circuit column is connected between the center of the unit metal circuit sheet and the metal cover plate. The invention provides a broadband and low-insertion-loss millimeter wave reconfigurable reflection unit based on an HTCC technology.

The invention relates to the technical field of broadband antennas, in particular to a method and system for controlling the output power of a broadband antenna, and the method comprises the steps: firstly obtaining the real-time load data and historical load data of the broadband antenna, calculating a real-time load index, predicting a predicted load index through a preset prediction model according to the historical load data, and calculating the output power of the broadband antenna; and performing layered dormancy control on the broadband antenna according to the real-time load index and a plurality of preset load thresholds, and awakening the broadband antenna according to the predicted load index. Reasonable antenna dormancy control is realized to save energy consumption based on accurate judgment of the real-time load index and the multi-level threshold value, meanwhile, the system is awakened in advance to respond to the communication requirement by pre-judging the future load requirement through the preset prediction model, the continuity of signal transmission is guaranteed, and the communication efficiency is improved. And hardware loss caused by frequent start and stop is avoided, and the problem of low energy efficiency of the existing broadband antenna power control method is solved.

The application discloses a broadband wireless signal receiving method based on Rydberg atoms, and utilizes the interaction between multi-wavelength laser light fields and alkali metal energy levels to prepare Rydberg states. Through the accurate regulation of each frequency component of the multi-wavelength laser light fields, multiple Rydberg states with different response frequency bands exist in a single atomic medium. The response of different Rydberg states to different electromagnetic spectra is utilized to realize the frequency point identification and wide spectrum receiving of wireless signals. The application utilizes a single atomic medium and multiple pump wavelengths, and can effectively meet the application requirements of small-size long-wave antennas, same-structure cross-band broadband antennas and frequency-independent frequency modulation antennas, and provides a technical solution for upgrading the performance of a broadband wireless communication system.