78 results about "Conformal antenna" patented technology

Systems are provided for conformal antenna assemblies for increased low elevation radiation. The conformal antenna assembly includes a carrier of a base and a plurality of protrusions extending vertically therefrom, wherein the carrier is mounted on a printed circuit board (PCB), an antenna in face sharing contact with the base and electrically coupled to the PCB, a coupling plate spaced away from the antenna by the plurality of protrusions, and a switching system adapted to electrically couple the coupling plate to the PCB in a default mode or a switched mode.

The invention provides a conformal antenna skin curing deformation simulation method and system based on multi-physical coupling, and relates to the technical field of conformal skin deformation analysis. According to the method, a three-dimensional geometric model of the conformal antenna skin is established, a multi-physical field coupling environment of a chemical field, a thermal field, a resin flow-compaction field and a stress field is defined on the basis, and the curing degree, the temperature, the fiber volume fraction and the stress distribution in the conformal antenna skin in the curing process are simulated. Through the coupling simulation analysis, the influence of resin curing on the conformal antenna skin is comprehensively evaluated, and a scientific basis is provided for optimizing the design and preparation process of the conformal antenna skin.

A relay satellite platform communication device for space-ground networking belongs to the field of relay satellites, and is formed by system-level integration of four core technologies including a structure-electrical integrated central bearing frame, an integrated three-surface pluggable modular system, a conformal antenna integrated multifunctional shell and an internal and external cooperative heat pipe heat dissipation network. A framework-module-skin three-layer deep coupling system framework is constructed, six faces of a center bearing structure are divided into a movable area and a static area, the movable area is used for achieving function reconfiguration and on-orbit maintenance, and the static area is used for deploying a high-reliability platform foundation system which is fixed once launched. According to the invention, the problems of difficulty in on-orbit maintenance, low reliability and efficiency bottleneck caused by discrete architecture and functional coupling of a traditional relay satellite are solved, and a high-reliability, high-flexibility and easy-to-maintain satellite platform foundation is provided for constructing a dynamic reconfigurable space-ground integrated information network.

The broadband circular polarization conformal antenna adopts the combination of three layers of dielectric substrates and an air layer, and comprises an upper layer dielectric substrate, a middle layer dielectric substrate, a lower layer dielectric substrate, a central 2 * 2 corner cut square patch, a peripheral 16 corner cut square patch, a square feed patch with a rectangular groove formed along a diagonal line, a metal floor and a feed microstrip line, a metasurface structure is printed on the upper surface of the upper-layer dielectric substrate 1 and comprises a 2 * 2 corner cut square patch array 4 located in the center and 16 corner cut square patches 5 surrounding the center array; a square feed patch and a feed microstrip line are printed on the lower surface of the middle-layer dielectric substrate 2, the square feed patch is located at the dead center of the lower surface of the middle-layer dielectric substrate, and a rectangular groove is formed in the dead center of the square feed patch in the diagonal direction; and a complete metal floor is arranged on the lower surface of the lower dielectric substrate. The antenna has the characteristic of low profile, and the antenna can be conformal to a cylindrical surface carrier platform.

The invention discloses a multi-layer combined unmanned aerial vehicle and a control method, and relates to the field of high-altitude long-endurance unmanned aerial vehicles, the multi-layer combined unmanned aerial vehicle comprises a plurality of sub-aircrafts, each sub-aircraft comprises a fuselage, an empennage, wings, wingtips and protrusions, the wingtips are arranged at the ends, away from the fuselage, of the left and right wings, and the wingtips can be in butt joint with the wingtips of the other aircraft; protrusions are arranged on the upper surface and the lower surface of each wing, the end faces of the protrusions can be in butt joint with the end faces of the protrusions of another airplane, and the protrusions can be used for containing an aircraft undercarriage at the same time. Through aggregation and recombination of a plurality of small unmanned aerial vehicles, a multi-layer combined unmanned aerial vehicle with a high aspect ratio is formed, and the combined unmanned aerial vehicle can effectively overcome the defect that the rigidity of wings of a traditional unmanned aerial vehicle with a high aspect ratio is insufficient and can carry an oversized radar conformal antenna with long wave bands such as meter waves and the like. And long-time air-hang detection of high-value targets such as stealth aircrafts and the like is realized.

The application relates to a full polarization high-gain wide-band conformal antenna, belongs to the technical field of electromagnetic propagation and energy collection, and particularly relates to a full polarization high-gain wide-band conformal antenna and a small-size rectifier circuit. The application conforms to the inner wall of an energy collection box by using an improved structure simple Yagi antenna, expands the working frequency band range of the antenna, is convenient for integration with equipment, and reduces the size of the energy collection device. The application designs an ultra-wide-band and compact structure quadrature coupler which is integrated at the bottom of the device. The quadrature coupler can realize 3db coupling in a wide frequency band range, evenly divides the energy received by each port into two paths, and solves the problem of low efficiency caused by the imbalance of the rectifier link in the prior art. The rectifier is small in size, has a good joint simulation effect, and is convenient for integration. The antenna can work in different radio frequencies and power ranges.

The application provides a circularly polarized conformal antenna for a curved carrier. 11 The antenna comprises a full-metal floor, a ring-shaped patch, a feed patch and four parasitic patches. The ring-shaped patch resonates in a TM The sequential 90° phase difference provided by the arc-shaped strips can realize circularly polarized radiation. Four parasitic patches surrounding the ring-shaped patch are introduced to excite another circularly polarized resonant mode, thereby widening the bandwidth and improving the gain. In order to verify the conformal performance of the antenna, the performances under different bending radii are compared and discussed. Finally, the final profile of the antenna of the application is 0.054λ0, λ0 is the free space wavelength of the antenna at the center frequency, and the antenna has the characteristics of low profile, wide bandwidth and high gain.

The invention discloses a light-weight conformal antenna and a processing method of the light-weight conformal antenna, and relates to the technical field of antennae, the light-weight conformal antenna comprises an antenna protection layer, a metal layer, a dielectric layer and a PMI foam layer which are laminated in sequence, the PMI foam layer is used as a core bearing structure, a composite design of a metal grid structure and a dielectric grid structure is adopted, and the PMI foam layer is used as a core bearing structure. The processing method comprises the following steps: performing hot press molding on the curved surface of the PMI foam board; a medium layer and a metal layer are printed on a curved surface layer by layer by using printing equipment, post-treatment thermocuring is carried out, a PMI foam lightweight material is adopted, large-curvature conformal is realized by combining a 3D printing technology, and a metal grid and medium grid composite structure is adopted on a third antenna metal layer to enhance the bonding strength, so that the antenna has a wide application prospect. The composite material has the advantages of high structural strength, good dielectric property, light weight, short processing period and the like.

The invention discloses a rail transit 5G Massive MIMO conformal antenna based on a holographic metasurface and a beam regulation and control method of the rail transit 5G Massive MIMO conformal antenna, and belongs to the technical field of wireless communication. The conformal antenna comprises a flexible dielectric substrate, a holographic metasurface unit array, an impedance matching layer, an active feed network and an intelligent control system. The beam regulation and control method comprises a hologram calculation step, a dynamic beam forming step and a multi-mode vortex beam generation step. Conformal deployment of the antenna, the tunnel inner wall, a train body and other complex curved surfaces is achieved through the holographic metasurface technology, the intelligent beam regulation and control algorithm is utilized to adapt to the rail transit fast time-varying channel environment, the problems that a traditional antenna is limited in form and too high in energy consumption are effectively solved, and meanwhile high-capacity, low-power-consumption and high-safety wireless communication is achieved.

This invention provides a conformal antenna array capable of radiating vortex waves and its usage method, comprising a cylindrical conformal support bracket with multiple through holes on its upper surface. An antenna support column is axially movable within each through hole, and the antenna support column is detachably connected to the conformal support bracket via a connector. An antenna element is located at one end of the antenna support column outside the conformal support bracket, and the antenna element is connected to a power divider via a coaxial line. The projection of the multiple antenna elements outside the conformal support bracket onto a horizontal plane is polygonal. Each antenna element includes a first metal sheet, a dielectric substrate, and a second metal sheet stacked from top to bottom. Isolation holes are formed on the second metal sheet and the dielectric substrate, and non-metallic through holes are provided within these isolation holes. A coaxial line passes through the non-metallic through holes and connects to the first metal sheet. Phase modulation is achieved by adjusting the height of the antenna element, providing a simple and effective means for antenna beamforming and vortex mode number variation design, avoiding the complexity and high cost of traditional complex feed networks.

This invention relates to the field of urban rail transit inspection technology, and particularly to a characteristic mode design system for broadband conformal antennas used in inspection. The system includes an inspection condition parameter input module for acquiring the condition parameters of the target inspection section, which at least include the section type, communication link requirements, and target operating frequency band; a multi-rotor UAV body modeling module for establishing a full-size three-dimensional electromagnetic model of the UAV based on its geometry and material properties; and a characteristic mode analysis module, signal-connected to the inspection condition parameter input module, for analyzing the characteristic modes based on the target operating frequency band. This invention deeply integrates inspection condition parameters into the entire process of characteristic mode selection, antenna element design, and beamforming. Based on the communication link requirements of different inspection sections, it selects matching dominant characteristic modes and implements targeted beamforming, ensuring that the antenna radiation characteristics are highly adapted to the complex inspection environment of rail transit and overcoming communication attenuation problems.

This invention provides a conformal antenna for insect-scale small biomimetic aircraft, relating to the field of biomimetic aircraft technology. In this invention, the body structure of the insect-scale small biomimetic aircraft includes legs, a tail, and wings; several conformal antennas are respectively configured around the legs, tail, and wings, operating in different frequency bands and receiving electromagnetic signal excitation from corresponding feed points. The insect biomimetic antenna is both a structural component of the organism and a communication component for electromagnetic transmission, essentially integrating multiple functions into one structure; multi-functional multiplexing is an effective way to achieve miniaturization and lightweighting of insect biomimetic aircraft. The application of the antenna described in this invention significantly improves the level of multi-frequency high-speed data transmission in biomimetic aircraft, while also endowing them with extremely high stealth capabilities.

The invention relates to a wearable detection device based on an antenna, the device comprises a collection module, a PCB, a flexible conformal antenna and a silica gel shell, the collection module is used for collecting human body signals, the silica gel shell is used for packaging the PCB and the flexible conformal antenna, the collection module is connected with the PCB through a flexible wire, the flexible conformal antenna is attached to the inner surface of the silica gel shell, and the flexible conformal antenna is connected with the collection module. One side, close to the PCB, of the flexible conformal antenna is provided with a bonding pad, and the flexible conformal antenna is welded with the PCB through the bonding pad. According to the invention, the problem of unstable signal transmission caused by the influence of the human body on the antenna is solved, the distance between the human body and the antenna is increased by arranging the antenna on the inner surface of the silica gel shell, and the electromagnetic energy absorption of the human body is reduced. Furthermore, the adopted flexible conformal antenna can be attached to a curved surface or an irregular surface, and the antenna structure and the equipment form are deeply fused.

The invention provides an integrated antenna, and belongs to the technical field of antennas. The integrated antenna is composed of a plastic shell and a conformal antenna, wherein the plastic shell is composed of a parabola-shaped head and a platform-shaped bottom, and the conformal antenna is attached to the plastic shell. The integrated antenna can maintain high-gain directional radiation of the antenna on a curved surface with a sharp angle.

The utility model belongs to the field of aircraft structure design, and particularly relates to a conformal antenna mounted on the front edge of an airfoil, which comprises a skin, a partition plate, an end rib, a root rib, a conformal antenna and a core, a cavity is formed between the skin and the partition plate. The conformal antenna is of an equal-diameter columnar structure, the conformal antenna and the core are both arranged in the cavity, and the end rib and the root rib are fixedly connected to the two ends of the conformal antenna respectively. During assembly, the conformal antenna and the core are combined and placed into the skin, the partition plate covers the skin, and finally, the upper end rib and the root rib are mounted, so that integral fixation can be completed; during disassembly, the skin, the partition plate, the end rib, the root rib, the conformal antenna and the core are integrally disassembled from the front edge of the airfoil and then integrally replaced. The conformal antenna is simple in structure, reliable in installation, beneficial to improving aerodynamic efficiency and reducing weight, easy to replace, low in replacement cost, good in rigidity and capable of enhancing bird impact resistance of the airfoil structure when installed on the front edge of the airfoil.

The invention discloses an automatic measuring, assembling and adjusting system and method for a curved surface conformal antenna array connector, and mainly solves the problems of low manual assembling efficiency and poor precision of a curved surface conformal antenna array radio frequency connector in the prior art. Comprising a machine cover, an assembling workbench, an industrial personal computer, a visual sorting feeding mechanism, an assembling mechanism, a tail end quick-changing mechanism and a curved-surface conformal antenna plate, wherein the visual sorting feeding mechanism, the assembling mechanism, the tail end quick-changing mechanism and the curved-surface conformal antenna plate are installed on the workbench; the feeding mechanism is provided with a main robot sorting feeding area and an auxiliary robot sorting feeding area which are provided with industrial vision cameras and material boxes correspondingly and used for recognizing and grabbing TR assemblies and connectors. The assembling mechanism comprises a six-axis main robot, a six-axis auxiliary robot, a 2D visual camera, a positioning tool, a curved surface conformal supporting tool and a six-degree-of-freedom platform used for pose adjustment. And the tail end quick-change mechanism supports various tail end actuators. The full-process automatic closed-loop control is realized, the assembly precision, consistency and efficiency can be remarkably improved, and the method is particularly suitable for assembly, electric measurement and debugging of the large-curvature curved surface conformal antenna.

The invention relates to a preparation method of a low-RCS conformal antenna, and belongs to the field of antennas. According to the method, the conductive polymer PEDOT: PSS treated by ethylene glycol is spin-coated on the surface of the LIG, so that the conductivity of the LIG is further improved, and efficient and environment-friendly preparation of the antenna function is realized. Compared with the defect of poor conformality of a traditional metal-based rigid antenna and the defect that part of metal film flexible antennas are easy to strip due to weak interface bonding, the interface bonding strength of the LIG and the base material is extremely high, the dynamic deformation requirement can be stably met, the manufacturing process is relatively simple, and the cost is low. And the comprehensive performance of the antenna in the aspect of electromagnetic wave absorption can be improved in combination with a metasurface wave absorber, and a new solution is provided for high-frequency-band communication and the like.

The invention relates to a fuzzy optimization partition positioning method and system based on a different-plane conformal antenna, and the method comprises the steps: initializing system configuration, and setting system working parameters; bluetooth data are collected, data preprocessing and data fusion are carried out, and fused data are obtained; performing positioning calculation according to the fused data to obtain an angle of arrival; calculating a fuzzy coefficient and a comprehensive guide vector according to the angle of arrival; calculating a correction angle according to the comprehensive guide vector; judging whether the correction angle meets the positioning accuracy requirement or not, and if the correction angle meets the positioning accuracy requirement, returning to the step 1 to execute the processing of the next packet of Bluetooth data; if the positioning precision requirement is not met, optimizing an antenna sampling strategy, and dynamically adjusting an antenna sampling parameter according to the current environment condition; and feeding back the optimized antenna sampling strategy to a sampling device. Compared with the prior art, the method has the advantages of high positioning accuracy and good flexibility.

The utility model discloses a miniaturized conformal antenna, which belongs to the technical field of signal receiving antennas and comprises an antenna pedestal and an antenna cover, the antenna pedestal is provided with an accommodating space used for mounting a signal receiving assembly, and the signal receiving assembly comprises a radiant panel and an oscillator arranged on the radiant panel. A first support and a second support are arranged on the two vertical sides of the radiant panel respectively so that the radiant panel can be fastened in the antenna pedestal. The radiant panel is connected with the feed connector, and the contact surfaces of the two supports and the radiant panel are I-shaped, cross-shaped or T-shaped. According to the miniaturized conformal antenna, the support is simple in structure, miniaturization and light weight of the antenna are achieved, meanwhile, high stability is achieved, the extending part of the oscillator relative to the radiant panel can be adjusted, the miniaturized conformal antenna can be suitable for different aircraft or missile body environments, and the miniaturized conformal antenna has good application value and market prospects.

A conformal antenna system for Synthetic Aperture Radar (SAR) applications, the system comprising a tubular POD, a curved vertically polarized radio frequency (RF) antenna conformally integrated into a curved surface of the tubular POD at a first location, and a curved horizontally polarized RF antenna conformally integrated into the curved surface of the tubular POD at a second location, wherein the first location and the second location are arranged such that the curved vertically polarized RF antenna and the curved horizontally polarized RF antenna share a common RF emission axis.

The application provides a single-layer broadband curved surface conformal antenna array, relates to the technical field of antennas, and comprises a flexible circuit board, a wave-absorbing structure and a supporting foam; the supporting foam is arranged between the flexible circuit board and the wave-absorbing structure; the flexible circuit board, the supporting foam and the wave-absorbing structure are integrally bonded and fixed; and the flexible circuit board is a single-layer flexible PCB substrate. The flexible circuit board is provided with front and back surface circuits; a radiation unit is obtained by combining the front and back surface circuits; a feeding structure is arranged at the center position of the radiation unit; and the feeding structure is electrically connected with the radiation unit. The application solves the problems of the existing curved surface conformal antenna, such as narrow bandwidth, or wide bandwidth but complex structure of multilayer structure.

The invention discloses a conformal antenna system for a double-lens capsule type endoscope and the double-lens capsule type endoscope comprising the conformal antenna system. The conformal antenna system for the double-lens capsule type endoscope comprises two lenses arranged at the two ends in a shell and lens supports corresponding to the two lenses respectively, and further comprises a conductive radiator, and the lens supports are made of non-metal materials. And the conductive radiator is integrated on the surface or inside the lens bracket of one or two lenses and forms a conformal structure with the lens bracket. According to the invention, the antenna and the lens bracket are designed in an integrated and conformal manner, so that the problem that the installation space of the capsule type endoscope is deficient is fundamentally solved, and metal interference in the capsule type endoscope is effectively isolated, thereby realizing high radiation efficiency and stable remote wireless communication.

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a light conformal antenna unmanned aerial vehicle wing and a preparation method thereof. The antenna is arranged on the surface of the foaming core, or the antenna is wrapped in the foaming core to form a conformal antenna; the prepreg is overlapped and coated on the surface of the conformal antenna to form the unmanned aerial vehicle wing; the prepreg is an epoxy glass fiber prepreg, and oligomeric polyphenyl ether and polystyrene are added into the prepreg; the foaming core is formed by a PPO / PS material through supercritical foaming; the antenna is made of a PPO / PS material of thermoplastic resin. Compared with the prior art, the problems that in the prior art, a conformal antenna in an unmanned aerial vehicle wing is limited by signal interference, and the material is high in dielectric and high in loss are solved. According to the scheme, wing weight reduction and antenna conformal design of the unmanned aerial vehicle are achieved, and finally light weight and high gain are achieved.

The invention discloses a low-profile high-load micro-strip conformal antenna and a preparation method, and relates to the technical field of communication antennae, and the low-profile high-load micro-strip conformal antenna comprises a conformal antenna housing, a micro-strip antenna, a conformal substrate, a feed connector, a conformal micro-strip radiation patch and a metal lining. The microstrip antenna is provided with a conformal microstrip radiation patch and is provided with a T-shaped slot; the edge of the conformal radome is provided with a mounting part, the mounting part is provided with a mounting countersunk screw hole, and the metal lining is embedded in the countersunk screw hole; the micro-strip antenna is fixedly connected with the conformal substrate, the conformal antenna housing wraps the micro-strip antenna and the conformal substrate, and gaps among the conformal antenna housing, the conformal substrate and the aircraft mounting plate are filled with adhesive glue. By arranging the conformal microstrip radiation patch on the microstrip antenna and forming the T-shaped slot, the surface current path is prolonged, the miniaturization of the radiation patch is realized on the premise of not reducing the resonant frequency, and the problems that the traditional microstrip antenna is large in size and difficult to integrate are solved.

A conformal interposer assembly for an electronically scanned array (ESA) includes a set of antenna-side conductive pads connected to an antenna element set into a printed circuit board (PCB) and conforming to a shared interconnection geometry, e.g., defining a single-axis, double-axis, or otherwise curved. Feed-side conductive pads are connected to a radio frequency (RF) feed board and likewise conform to a shared interconnection geometry, which may or may not conform to that of the antenna-side pads. Conductive vias conveys energy between the RF feed board and the antenna elements set into the PCB; for example, each conductive via may connect an antenna-side conductive pad and a counterpart feed-side conductive pad. Rigid dielectric interposers are disposed between the PCB and the feed board, providing insulation and physical bridging to the conductive vias and structural rigidity throughout the conformal assembly.

The application discloses a relay satellite platform communication device for networking between space and ground, belongs to the field of relay satellites, and is characterized in that the device is constructed by system-level integration of four core technologies, including a structure-electricity integrated central bearing frame, a plug-in modular system of 'one body and three surfaces', a conformal antenna integrated multifunctional shell and an internal-external collaborative heat pipe heat dissipation network, and a three-layer deep coupling architecture of'skeleton-module-skin' is constructed, six surfaces of the central bearing structure are divided into two areas of dynamic and static, which are a modularized enclosure area and a fixed function area respectively, the dynamic area is used for realizing function reconfiguration and on-orbit maintenance, and the static area is used for deploying a high-reliability platform basic system which is fixed and unchanged once launched. The application solves the problems of on-orbit maintenance difficulty, low reliability and performance bottleneck caused by the architecture dispersion and function coupling of traditional relay satellites, and provides a satellite platform foundation with high reliability, high flexibility and easy maintenance for constructing a dynamic reconfigurable space-ground integrated information network.

The invention discloses a conformal antenna applied to a high-temperature environment, and belongs to the technical field of antennas. The antenna comprises a high-temperature-resistant cable assembly, a circular ring structure, a resonance piece, a supporting block, a ceramic cover plate and a heat insulation coating, the high-temperature-resistant cable assembly is directly fixed to a cavity structure through threads on a connector of the high-temperature-resistant cable assembly, and a core on the connector is welded to the resonance piece. The fixing device is fixed to the tail of the aircraft through screw holes in the outer diameter. The heat insulation coating can insulate heat generated by the exhaust nozzle to a certain degree, and the heat is prevented from being directly transmitted to the cavity structure. The invention provides a high-temperature-resistant conformal antenna applicable to high-speed aircrafts.

The invention discloses an APT identification system based on conformal antenna array and multi-modal behavior fusion, and aims to solve the problems of insufficient feature fusion of a physical layer and a network layer, fixed response strategy and the like in existing APT identification. The system comprises a conformal antenna array, a radio frequency sensing unit, a network behavior sensing unit, a multi-modal fusion decision engine, a root of trust module and a response controller, a radio frequency signal is captured and regulated through the conformal antenna array, and the radio frequency sensing unit and the network behavior sensing unit extract physical layer and network layer features; transform and GAT fusion features are adopted by the multi-modal fusion decision engine, APT classification, recognition and traceability are executed through multiple tasks, the integrity of a link is guaranteed through a trust root module, and a grading strategy is executed by a response controller according to threat scores. According to the method, the cooperation of feature fusion and decision of the physical layer and the network layer is realized, the APT identification accuracy and response speed are improved, and the communication security can be effectively guaranteed.