45results about How to "Improving Impedance Matching" patented technology

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 invention discloses a method and equipment for improving matching of a measured piece in an attenuation measurement system, belongs to the field of radio metering, and comprises the method for improving matching of the measured piece in the attenuation measurement system, and the core of the method is that a precise matching absorption load is added in a front-end transmission system of the measured piece; energy transmission is realized on a waveguide wide side of the precise matching absorption load through a coupling hole; a transmission waveguide is additionally arranged above the coupling hole, and energy is transmitted to a measured piece in the forward direction; and a precise matching absorption load is added in the reverse direction to absorb energy in the reverse direction, so that the measured piece matching improvement equipment in the attenuation measurement system is formed, and finally the measured piece matching of the attenuation measurement system is improved. According to the method and the equipment, the impedance matching of the measured piece is improved by using the precise matching load, the voltage standing-wave ratio of the load level is realized, and the attenuation measurement accuracy is improved. The tested piece matching improvement equipment developed by using the method is directly connected to two ends of the tested piece in an attenuation measurement system, so that the impedance matching of the tested piece is improved.

This invention discloses a coatable, moldable dual-functional coating material for heat protection and stealth, and its preparation method. The coating material is formed from a SiC-based composite ceramic aerogel slurry, a perovskite / MAX phase composite ceramic absorber, and a high-temperature resistant binder. The composite ceramic aerogel slurry is composed of SiC micro / nano-scale aerogel powder, SiC nanowires, and a high-temperature resistant binder; the perovskite ceramic absorber is lanthanum strontium manganese oxide (La). 1‑x Sr x MnO3), lanthanum strontium iron oxide (La) 1‑ x Sr x FeO3), lanthanum strontium cobalt oxide (La) 1‑x Sr x The MAX phase ceramic absorber is Ti3SiC2, and it contains substances such as CoO3. The technology of this invention enables the rapid application of coating materials to the surface of equipment via brushing, enhancing high-temperature radar absorption stealth and thermal protection capabilities, and facilitating the preparation and efficient repair of high-temperature stealth coatings.

The application belongs to the technical field of antenna in the communication system comprehensive design, and particularly relates to a kind of omnidirectional broadband antenna based on multimode resonance, L-shaped folded dipole, rectangular loop, U-shaped branch and SMA joint are located at the lower surface of dielectric substrate, feed line is located at the upper surface of dielectric substrate, first metallized via hole and second metallized via hole in the up-down direction are opened on dielectric substrate, the outer conductor of SMA joint is connected with the right arm of L-shaped folded dipole, the inner conductor of SMA joint is connected with one end of feed line by passing through the right arm of L-shaped folded dipole and first metallized via hole, the other end of feed line is connected with the left arm of L-shaped folded dipole by passing through second metallized via hole, the application generates new resonance frequency by bending traditional dipole to form L-shaped folded dipole;rectangular loop is added around L-shaped folded dipole, two new resonance modes are introduced, and the bandwidth of antenna is further widened.

The utility model relates to the field of automobile parts and vehicle communication technology, especially to a kind of silver-plated glass with integrated antenna structure and automobile parts, including glass substrate, silver-plated heat insulation layer, black ink area, local silver-removing area and conductive antenna unit, silver-plated heat insulation layer is arranged on the surface of glass substrate;Black ink area is arranged at the edge of glass substrate;Local silver-removing area is arranged in the projection range of black ink area;Conductive antenna unit is arranged in local silver-removing area, and equal net space gap is formed between the two side edges of conductive antenna unit and the boundary of local silver-removing area respectively, the utility model is by setting special "radio frequency window" on silver-plated layer, and local silver-removing area, effectively breaks the signal shielding of metal film, provides sufficient electromagnetic clearance for antenna, ensures the stability of radio signal.

This invention relates to a flame retardant with both microwave absorption and smoke suppression functions. The flame retardant is a hierarchical porous metal-organic framework material with a three-dimensional polygonal structure, a size of 1-3 μm, and a pore size distribution between 1.0-50.0 nm. It carries nano-transition metal oxides internally and on its surface, with the nano-transition metal oxides accounting for 25%-65% of the total mass. The flame retardant provided by this invention possesses microwave absorption, flame retardancy, and smoke suppression properties. Its initial decomposition temperature is 442℃±10℃, with significant mass loss in the temperature range of 450-700℃. At 800℃, the residue content is as high as 50% or more, exhibiting excellent thermal stability and meeting the processing requirements for flame retardants in polyurea, epoxy resin, and polycarbonate.

This invention provides a high backlobe suppression horn antenna, comprising a horn antenna cavity with a choke slot. The horn antenna cavity is installed within a reflector cavity to form a high backlobe suppression horn antenna. This invention uses a simple cabin structure as the reflector cavity, which is more suitable for horn antennas compared to complex cavity structures, and can be assembled with an radome, exhibiting high installation adaptability.

The application discloses a circuit board and relates to the technical field of circuit boards. The circuit board comprises a circuit board body, wherein a through hole structure for adapting differential signals is arranged on the circuit board body, the through hole structure comprises signal through holes and ground through holes, the signal through holes are two and are arranged in a straight line, the ground through holes are continuous rectangular structures and surround the periphery of the signal through holes, the rectangular structure comprises two long sides and two short sides, the two long sides are symmetrical about a connecting line between the two signal through holes, the two short sides are symmetrical about a perpendicular bisector of the connecting line, and the center points of the two signal through holes are located on the extension line of the connecting line. The embodiment of the application can reduce the area occupied by the signal through holes and the ground through holes as a whole, improve the utilization rate of the signal through holes, reduce the wiring difficulty, and be beneficial to the miniaturization design of the circuit board.

This invention belongs to the field of functional ceramics technology and discloses a garnet-type microwave absorbing dielectric ceramic and its preparation method. The general chemical formula of the garnet-type microwave absorbing dielectric ceramic is Y3Al. 5‑x Fe x O 12 Through a two-step atmosphere sintering method, firstly, high-temperature sintering is carried out in a reducing atmosphere, introducing a specific proportion of Fe. 2+ The introduction of ions, thereby introducing free charge carriers and lattice defects, significantly enhances conductivity loss and interfacial polarization loss; subsequently, medium-temperature annealing in an oxidizing atmosphere stabilizes the crystal structure, allowing Fe to... 2+ with Fe 3+ The molar ratio is controlled within a certain range to prevent over-reduction and optimize magnetic loss. At the same time, it achieves effective synergy between conductivity loss and magnetic loss in the 2-18GHz frequency band, and has the advantages of strong absorption, wide bandwidth, good high temperature stability and high repeatability.

The invention belongs to the related technical field of multifunctional gradient dot matrix sandwich structures, and discloses a gradient dot matrix sandwich structure with sound absorption and bearing functions and a design method. A microstructure in the sandwich structure comprises plate grids which are oppositely arranged up and down and a truss arranged between the plate grids, one or more micro-perforated holes are formed in the plate grids, and the truss is formed by a single rod array. The invention further discloses a design method of the microstructure. The sandwich structure comprises multiple layers, each layer is formed by tightly connecting the microstructures arranged in a gradient mode, the microstructure of each layer comprises multiple areas, the microstructures in the different areas are the same or different, and the thicknesses of the different areas are the same or different; the microstructural plate grids in the same area are the same, but the trusses are not necessarily the same. The invention further discloses a design method of the sandwich structure. According to the invention, the problem of low sound absorption and bearing performance of the sandwich structure is solved.

This invention discloses a high-power horn array antenna based on equal-power-division ridged waveguide feeding, characterized by high power capacity and high gain. A 4:1 unequal power distribution is achieved in the BJ100 waveguide placed along its short side by loading a cylindrical inductive post offset 5.2 mm from the branch centerline. Based on stepped impedance matching theory, an inductive module offset 5.2 mm from the branch centerline is loaded at the ridged waveguide branch to achieve a 4:1 unequal power distribution in the ridged waveguide placed along its long side. The antenna is entirely filled with sulfur hexafluoride gas to achieve even higher power capacity. A waveguide transition structure is applied to achieve a transmission transition between the standard rectangular waveguide and the ridged waveguide, and a metal plate is added to reduce the back lobe of the antenna pattern and improve the main lobe gain. The antenna feeding structure uses a standard BJ100 waveguide and its ridged waveguide, both with a waveguide wall thickness of 1.27 mm. This invention achieves a power capacity greater than 1MW in the 9.35~9.65 GHz frequency band, and within a 312mm×312mm aperture plane, the center frequency gain is greater than 29.6dBi, and the aperture efficiency across the entire frequency band is greater than 75%.

The application relates to a porous SiCN nw composite wave-absorbing ceramic and a preparation method thereof, and belongs to the field of ceramic-based wave-absorbing materials. The porous SiCN nw composite wave-absorbing ceramic comprises a porous Si3N4 ceramic matrix, a carbon layer uniformly wrapped on the pore wall surface of the porous Si3N4 ceramic matrix, and SiCN nanowires uniformly grown in the pores of the porous Si3N4 ceramic matrix; wherein the total mass of the carbon layer and the SiCN nanowires is 1-10 wt% of the porous Si3N4 ceramic matrix. By introducing the carbon layer and the SiCN nanowires with different structures into the pore structure of the Si3N4 matrix ceramic, the two components of the wave-absorbing phase can synergistically exert the advantages of each component, optimize the impedance matching degree of the material, and broaden the absorption bandwidth of the material. Moreover, the process is simple, the proportion of the two wave-absorbing phases can be regulated by changing the heat treatment temperature, the impedance matching degree of the material is optimized, and the prepared porous SiCN nw composite ceramic has good wave-absorbing performance.

This utility model discloses a signal acquisition and amplification circuit, relating to the field of signal acquisition and transmission. The circuit includes: a Wheatstone bridge module for feeding back a fixed voltage signal and a temperature change signal to a differential amplifier module; and a differential amplifier module for varying the output voltage when there is a difference between the input fixed voltage signal and the temperature change signal. The advantages of this utility model are: by setting a differential amplifier module, the small signal obtained from the sensor is linearly amplified, which is more conducive to acquisition and identification by subsequent circuits; the circuit makes the correspondence between the output voltage signal Vout and the NTC resistor value clear and easy for subsequent circuits to acquire; the signal input impedance is high and the output impedance is low, which is beneficial for impedance matching with subsequent circuits and reduces power consumption; the differential amplifier module provides filtering for high-frequency noise; and the NTC resistor has low self-heating, ensuring the accuracy and stability of temperature acquisition.

This invention belongs to the field of electromagnetic wave absorbing materials technology, specifically relating to an absorbing material, its preparation method, and its application. This invention uses multi-walled carbon nanotubes (MWCNTs), potassium permanganate (KMnO4), and divalent manganese as raw materials, based on Mn... 2+ With MnO4 ‑ The redox reaction between the two components allows for in-situ uniform loading of MnO2 nanoparticles onto the MWCNT surface through simple stirring in a room-temperature liquid environment, resulting in microwave absorption performance superior to most similar absorbing materials. Compared to traditional methods for preparing absorbing materials, the technical route of this invention offers significant advantages, including simple preparation process, no pollutant emissions, energy-saving and environmentally friendly process, adjustable and controllable material structure, excellent microwave absorption performance, and scalability. This method effectively overcomes the technical limitations in the preparation of absorbing materials, providing a scalable new paradigm for the green and large-scale production of high-performance absorbing materials.

This invention belongs to the field of electromagnetic wave absorbing materials technology, and specifically discloses a hollow spherical Ti3C2T x @Molybdenum disulfide@cobalt / carbon composite materials, their preparation methods, and applications. The preparation method includes the following steps: reacting formaldehyde with melamine to prepare melamine-formaldehyde resin particles, ultrasonically dispersing them in water, and then adding Ti3C2T. x Suspension, stirred, melamine-formaldehyde resin particles with Ti3C2T x Self-assembly yields the core-shell material Ti3C2T x @MF; Ti3C2T x @MF, molybdenum source, and sulfur source are dispersed in water in a certain proportion and subjected to a hydrothermal reaction. The hydrothermal reaction product is washed and dried to obtain hollow spherical Ti3C2T x @Molybdenum disulfide composite material HTM; A dimethylimidazole alcohol solution is slowly added to a mixed alcohol solution of HTM and a cobalt source, stirred for a set time, and then allowed to stand for a set time to obtain HTM@ZIF67; HTM@ZIF67 is then pyrolyzed in an inert atmosphere to obtain hollow spherical Ti3C2T. x @Molybdenum disulfide@cobalt / carbon composite material. This material combination can effectively promote the attenuation of electromagnetic waves and reduce the material's filler content.

The application relates to the technical field of integrated circuits, and discloses an analog front-end circuit applied to a super-high-speed SerDes receiver, a transimpedance amplifier of which comprises a pair of input transistors, the gates of which are connected and connected with a T coil composed of a first inductor and a second inductor, one end of the first inductor is connected with the gate and connected in parallel with a second capacitor, the other end receives a front-stage input and is connected in parallel with one end of the second inductor and a first capacitor, the drains of the input transistors are connected and connected with a T coil composed of a fifth inductor and a sixth inductor, one end of the sixth inductor is connected with the drain and connected in parallel with a third capacitor, the other end outputs an amplified signal and is connected in parallel with one end of the fifth inductor and a fourth capacitor, and the other end of the second inductor and the other end of the fifth inductor are directly connected in series with a first resistor and a third inductor. The application optimizes zero-pole compensation high-frequency loss and optimizes impedance matching to reduce reflection, and better guarantees the integrity of signals.

The application discloses a terminal circuit with bandwidth expansion and impedance matching functions, and belongs to the technical field of basic electronic circuits. In view of the defects in the prior art, the terminal circuit is designed by adopting a simplified three-stage asymmetric T-coil technology, and the terminal circuit comprises a first pad capacitor, a second pad capacitor, a first impedance matching module, a first bandwidth expansion module based on a three-stage asymmetric T-coil structure, a second impedance matching module, a second bandwidth expansion module based on the three-stage asymmetric T-coil structure, a first terminal resistor, a second terminal resistor and a load circuit. The terminal circuit can greatly enhance the bandwidth expansion capability, uses a small number of inductors and capacitors, has a good impedance matching effect, and realizes a great reduction of area overhead. Meanwhile, the application has high engineering applicability, is suitable for engineering product design, can be widely used in the design of a SerDes analog front end, can greatly improve the performance index of the analog front end, and simultaneously reduces comprehensive overhead.

This invention belongs to the field of metamaterials technology, specifically relating to an adjustable integrated absorption and reflection metamaterial structure. It includes several basic units arranged in a periodic array. Each basic unit comprises a resonant unit, a dielectric layer, and a reflector layer stacked sequentially. The dielectric layer is deformable to create a cavity between itself and the reflector layer or to fit tightly against it. The resonant unit includes four sequentially connected arc-shaped segments arranged centrally symmetrically. The ends of adjacent arc-shaped segments connect to form sharp corners extending towards the center of the resonant unit, with a gap between opposing sharp corners. This invention offers good reconfigurability, high flexibility, and deformability, allowing for easy adjustment of the state and switching of operating modes according to actual usage needs, achieving broadband absorption or complete reflection functions from 4.9 GHz to 16.3 GHz.

The utility model discloses a sinking plate type FAKRA connector, and relates to the field of connectors, the sinking plate type FAKRA connector comprises a center pin, a medium body installed on the center pin, an outer conductor installed on the medium body and a plastic shell installed on the outer conductor, the inner wall of the outer conductor and the outer wall of the medium body form a first clamping position, and the inner wall of the outer conductor and the outer wall of the medium body form a second clamping position. The inner wall of the medium body and the center pin form a second clamping position, and the outer wall of the medium body and the inner wall of the outer conductor form a third clamping position. The connecting structure has the effects of enhancing the connecting stability and reliability and improving the convenience and rapidness of overall assembly.

The application discloses an amorphous carbon-based material with quasi-continuous sp 2 domains, which is prepared by a metal salt-assisted bubble method to induce carbon atoms to rearrange under the curvature of a nano-bubble interface, successfully constructing short-range ordered quasi-continuous sp 2 domains around nanopores, and having long-range electronic transmission channels and rich conjugated / non-conjugated heterogeneous interfaces, which can synergistically enhance conductive loss and interface polarization loss. The method can anchor single-atom metals on the carbon-based body and form M-Nx structures by selecting appropriate metal precursors, and provide strong dipole polarization. The material can effectively absorb an effective absorption bandwidth of 8.0 GHz under a low filling amount of 7 wt%, and the preparation method has strong universality and is suitable for various metals and carbon precursors, thereby providing a new strategy for light-weight wide-band electromagnetic wave absorbing materials.

The invention belongs to the technical field of functional composite materials, and particularly relates to a hollow porous magnetic carbon fiber framework material, a composite coating with electromagnetic wave absorption and anti-corrosion functions, a preparation method and application. The hollow porous magnetic carbon fiber framework material is prepared by adopting a method comprising the following steps: transferring a mixture of nickel nitrate hexahydrate, 2, 5-dihydroxyterephthalic acid and DMF (Dimethyl Formamide) into a reaction kettle, and heating for reaction to obtain a nickel metal organic framework material; taking a mixture of PAN, copper nitrate monohydrate, a nickel metal organic framework material and PMMA as a shell layer solution, taking a polymethyl methacrylate solution as a core layer solution, and performing coaxial electrostatic spinning to obtain a core-shell structure nanofiber felt; and carrying out pre-oxidation, template sacrifice and carbonization treatment. Impedance matching of the coating filler can be effectively optimized, and excellent electromagnetic wave absorption performance is achieved through the synergistic effect of dielectric loss, magnetic loss and multi-interface polarization.

This invention discloses an electromagnetic wave absorbing material based on in-situ grown carbon nanotubes from FeCoNi alloy and its preparation method. First, an iron-based metal-organic framework is synthesized via a hydrothermal reaction, followed by ultrasonication, washing, and drying to obtain iron-based metal-organic framework nanoparticles. Then, the surface of the iron-based metal-organic framework nanoparticles is modified using polyvinylpyrrolidone, and Co is adsorbed onto them. 2+ and Ni 2+ Polyvinylpyrrolidone (MOF)-modified iron-cobalt-nickel (FeCoNi)-based metal-organic framework (MOF) nanoparticles were obtained. Finally, melamine and the cobalt-nickel-adsorbed MOF-modified FeCoNi-based MOF nanoparticles were subjected to a carbothermal reduction reaction under a nitrogen atmosphere to obtain the electromagnetic wave absorbing material. This invention relies on MOF porous templates and metal nanoparticles to catalyze the growth of carbon nanotubes, improving conductivity loss. Simultaneously, the interfacial polarization between the generated FeCoNi nanoparticles and the carbon matrix optimizes impedance matching and enhances electromagnetic wave absorption performance.

The invention relates to a hexagonal sheet-shaped Fe3O4 (at) FeO (at) C (at) ZnIn2S4 core-shell structure wave-absorbing material as well as preparation and application thereof, the hexagonal sheet Fe2O3 with the diameter of about 12 microns is taken as a template, and a double-layer core-shell structure with a magnetic core-PDA-derived carbon middle layer-semiconductor shell is constructed through surface coating polydopamine carbonization and in-situ growth of ZnIn2S4 nanosheets. Impedance matching is effectively improved through the hexagonal sheet structure, multiple loss mechanisms such as magnetic loss, interface polarization and dipole polarization are introduced into multiple heavy components, and the electromagnetic wave absorption performance of the material is cooperatively improved. The preparation method is simple, and the product is regular in morphology and excellent in performance and has wide application prospects in the technical fields of electromagnetic protection and stealth.

The utility model provides a kind of integrated stealth water column antenna, through the integration design of shell, water pump assembly, ground net plate and signal transmission component, significantly reduce antenna volume and promote stealth performance, shell columnar structure inlaying injection channel and isolation magnetic ring, realize the physical isolation of radio frequency signal and seawater, avoid the radar scattering problem caused by exposed metal parts of traditional shipborne antenna;Water pump assembly is directly connected with the lower side of shell, and forms radiator by injecting seawater, and after communication, pump can be stopped to realize antenna invisibility, signal transmission component and ground net plate are horizontally arranged on the upper end surface of shell, form compact plane layout, ground net plate arranged on the upper end surface of shell floats in sea level during use, only makes nozzle part above sea level, greatly enhances stealth performance, avoids the technical problem that water column antenna in the prior art is only applicable to ship platform use, use scene has great limitation, cannot meet the stealth demand.

The application discloses a carbon-composite high-entropy metal oxide electromagnetic functional material and a preparation method thereof, and relates to the technical field of microwave absorbing materials. The electromagnetic functional material is composed of (Fe 0.2 Co 0.2 Ni 0.2 Mn 0.2 Cr 0.2 )3O4 / C, and the preparation method comprises the following steps: adding equimolar iron salt, cobalt salt, manganese salt, chromium salt and nickel salt into water together with urea, polyvinylpyrrolidone and a carbon source to configure a mixed solution, then heating and reacting, centrifuging and drying the reaction product after the reaction is completed, and obtaining the electromagnetic functional material. By introducing the carbon material with high dielectric constant, the electric conduction performance and the electric loss performance are enhanced, the impedance matching is optimized, the overall density is reduced, the absorption bandwidth is widened, the effective absorption bandwidth covers the full wave band of 2-18GHz, the electromagnetic functional material is suitable for multi-wave bands, and the problems of low absorption rate and narrow frequency band are solved. Moreover, the preparation process is simple, and the one-time hydrothermal reaction can be completed, so that the scale production is facilitated.

The invention is applicable to the technical field of wireless communication, and provides a slotted cross dipole antenna loaded with an artificial magnetic conductor structure, which comprises three layers of dielectric substrates, namely a first layer of dielectric substrate, a second layer of dielectric substrate and a third layer of dielectric substrate; the two pairs of crossed dipoles are printed on the top and the bottom of the first dielectric substrate in pairs, the surfaces of the crossed dipoles are provided with slots, and each pair of crossed dipoles is connected through a microstrip line segment; the metal columns penetrate through the three layers of dielectric substrates to feed the crossed dipoles; the artificial magnetic conductor structure is printed on the top of the second-layer dielectric substrate; the low-profile broadband high-isolation dual-linear polarization microstrip antenna realizes the characteristics of low profile, broadband, high isolation and dual-linear polarization, and is suitable for the field of Internet of Things and wireless communication.

The invention belongs to the technical field of microwave antennas, and particularly provides a tight coupling phased array based on a tail end array element loading parasitic short circuit structure. The antenna mainly comprises a radiation structure (I) which is composed of an opening type folding dipole, a broadband efficient electromagnetic structure and a parasitic short circuit structure, wherein the opening type folding dipole is vertically arranged above the broadband efficient electromagnetic structure; and the feed structure (II) is composed of a gradient microstrip feeder line, a coaxial feeder line and a metal floor. Different from a dipole adopted in a traditional tight coupling array, a broadband efficient electromagnetic structure and a folded dipole structure are used as a radiation unit together, a parasitic short circuit structure is loaded on the broadband efficient electromagnetic structure, and a 1 * 8 structure is constructed. In addition, by loading a parasitic short circuit structure around the broadband efficient electromagnetic structure, an additional capacitor can be introduced at the tail end of the array, impedance matching is improved, and the edge truncation effect of the tight coupling array is effectively inhibited.

The application discloses a preparation method of a transition metal oxide and / or transition metal sulfide / carbon cloth composite wave-absorbing material, and belongs to the technical field of wave-absorbing materials. The method comprises the following steps: dissolving metal salt and sodium citrate in a mixed solvent to obtain a mixed solution; immersing hydrophilic carbon cloth treated by acid in the mixed solution, and then moving to a hydrothermal kettle for heat preservation treatment to obtain a transition metal oxide / carbon cloth; dissolving a sulfur-containing compound in an alcohol solution, immersing the transition metal oxide / carbon cloth in the alcohol solution containing the sulfur-containing compound, and then moving to the hydrothermal kettle for heat preservation treatment; adjusting the temperature and time of the heat preservation treatment to control the content of sulfide in the product, and finally obtaining a transition metal oxide / sulfide / carbon cloth or a transition metal sulfide / carbon cloth. The application further discloses the obtained transition metal oxide and / or transition metal sulfide / carbon cloth composite wave-absorbing material. The method is simple, the micro-morphology and components of the obtained material are controllable, the material has excellent wave-absorbing performance, and has a wide application prospect.

The utility model relates to the field of electronic information and communication, and discloses a high-performance partition plate circular polarizer, which comprises a partition plate area and grid areas, the grid areas are symmetrically distributed on two sides of the partition plate area, the partition plate area comprises a first rectangular block, a first rectangular cavity and a partition plate, the distance between the front end face and the rear end face of the first rectangular block is 9.78 mm, and the distance between the front end face and the rear end face of the first rectangular block is 9.78 mm. The distance between the left end face and the right end face of the first rectangular block is 21.56 mm, the distance between the upper end face and the lower end face of the first rectangular block is 9.27 mm, and the distance between the front end face and the rear end face of the first rectangular cavity is 1.5 mm. According to the utility model, the innovative partition plate different from the existing partition plate is adopted, the gaps in the partition plate can be more beneficial to impedance matching, and the newly added grid structure has obvious gain for the circular polarizer, so that the problems of narrower working bandwidth, low gain and poorer impedance matching performance of the circular polarizer are solved, and the product performance is greatly improved.