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45 results about "Regular array" patented technology

Liquid cooling plate

The invention discloses a liquid cooling plate which comprises a liquid cooling plate body, the interior of the liquid cooling plate body is provided with a cooling cavity, the interior of the cooling cavity is provided with a plurality of polygonal heat conduction columns which are connected with the cavity bottom wall of the cooling cavity and are arranged in a regular array, and the polygonal heat conduction columns have at least two shapes; gaps between the polygonal heat conduction columns and gaps between the polygonal heat conduction columns and the cavity side wall of the cooling cavity are communicated with one another and form liquid cooling flow channels allowing cooling liquid to flow, the liquid cooling flow channels comprise honeycomb flow channels and straight flow channels, and the width of the honeycomb flow channels is at least partially narrowed; and the liquid cooling plate body is also provided with a flow channel inlet and a flow channel outlet which can be communicated with the liquid cooling flow channel. The honeycomb structure and the straight flow channel of the liquid cooling flow channel are formed by combining the polygonal heat conduction columns in different shapes, and the width of the honeycomb flow channel is at least partially narrowed, so that the flowing path of cooling liquid can be effectively optimized, the flowing speed of a cooling medium is increased, and the cooling efficiency is improved.
Owner:BYD CO LTD

Method for manufacturing regular array of single NV color centers in diamond and structure

The disclosure provides a method for manufacturing a diamond single NV color center regular array structure, comprising: pretreating a diamond surface to obtain a pretreated diamond surface. Uniformly coating poly methyl methacrylate mixed glue on the pretreated diamond surface to form a poly methyl methacrylate film, baking and reinforcing, then plating a conductive film on the poly methyl methacrylate film, and then performing electron beam exposure treatment, developing the exposed sample to obtain a diamond sample with a regular array. The diamond sample with a regular array is subjected to 14 N ion implantation, cleaning to remove poly methyl methacrylate mixed glue on the surface of the sample, then annealing, and cleaning to obtain a diamond single NV color center regular array structure.
Owner:UNIV OF SCI & TECH OF CHINA

Cup bottom die cutting forming device

The invention relates to the technical field of paper board product equipment, in particular to a cup bottom die cutting forming device. Comprising a mounting frame; the upper mold is fixedly mounted on the mounting frame; the lower die cutter is arranged below the upper die and is driven by a lifting driving device to move up and down; a blade of the lower die cutter comprises a plurality of linear blades arranged in the feeding direction, and the linear blades can divide a raw material paper tape into a plurality of S-shaped paper strips. The winding device can wind the paper strips into paper discs respectively; through the S-shaped arrangement of the cup bottoms, the utilization rate of the paper tape can be improved, more space can be utilized compared with a regular array, and the cost is reduced.
Owner:RUIAN GREAT WALL PRINTING & PACKAGING MASCH CO LTD

An autostereoscopic screen that is considered to be of photographic quality

The present invention relates to a screen (10) for the autostereoscopic display, considered to be of photographic quality, of autostereoscopic images with M x N viewpoints, where N is an odd integer and M is an integer selected from 1, 2, 3 and 6, said screen comprising a panel (20) of pixels arranged by rows and columns, each pixel (26) consisting of a plurality of P active sub-pixels of different colors, and a regular array of cylindrical lenses (30) inclined at an angle equal to arctan(1 / 12) with respect to the columns of the screen, said array comprising , with a pitch of N / 2 pixels wide so that even and odd lenses (30) of the array can be distinguished by the different distribution of the active zones (26) and black zones (24) of the pixels located under the lenses, and so that each of the M×N viewpoints can be decoded, distributed in N vertical blocks of 6 pixels high, consisting of M viewpoints by 12 rows when the panel's subpixels are horizontal, and in P×N vertical blocks of 6 / P subpixels high, consisting of M / P viewpoints by 12 / P rows when the panel's subpixels are vertical.
Owner:ALIOSCOPY

Array type mesoporous iron oxide nanorod and preparation method thereof

The invention belongs to the technical field of mesoporous materials, and discloses a preparation method of array type mesoporous iron oxide nanorods. The method specifically comprises the following steps: mixing P123, glycerol, ferric chloride hexahydrate, concentrated hydrochloric acid and deionized water, stirring in a water bath, adding TEOS after a period of time, continuously stirring, stopping stirring after a period of time, and standing; and carrying out hydrothermal treatment on the obtained mixture, washing, drying, and removing the template agent and the structure-directing agent through calcination and alkali washing to finally prepare the target product. The mesoporous iron oxide nanorod prepared by the method has a regular array type characteristic, the length of the nanorod is about 200nm, the diameter of the nanorod is about 30nm, and the nanorod has a mesoporous structure with the average pore diameter of about 15nm. The nanorod has excellent active site exposure degree and loading adaptability, so that the nanorod has a wide application prospect in the fields of catalytic degradation, heavy metal adsorption and the like.
Owner:SHENYANG UNIV

Cost-effective engineering diffusers for laser-based lighting application

The invention provides a light generating system (1000) comprising a first regular array (500) of solid state light sources (10) and an optical element arrangement (2000), wherein: (A) the first regular array (500) is an n*m array, wherein n ≥ 1 and m ≥ n; wherein n + m ≥ 4; wherein the first regular array (500) of solid state light sources (10) has a first pitch (p1) in a first direction; wherein the first regular array (500) of solid state light sources (10) is configured to generate a first beam (5) of light source light (11); (B) the optical element arrangement (2000) is configured in a light receiving relationship with the first regular array (500) of solid state light sources (10); wherein the optical element arrangement (2000) comprises k lens arrangements (400); wherein k ≥ 1; wherein each lens arrangement (400) comprises a plurality of lenses (30) arranged in a second array (600); wherein the plurality of lenses (30) in each lens arrangement (400) have an average center-to- center distance (d1); wherein p1 / d1 ≥ 1.4; and (C) the optical element arrangement (2000) is configured to one or more of (i) diffuse and (ii) shape the first beam (5) of light source light (11) into a second beam (6) of light source light (11).
Owner:SIGNIFY HOLDING BV

Scattering homogenizing element, design method and point spread lens

PendingCN122283994APoint spreadTriacontagon
This invention relates to the field of optical element technology, and discloses a scattering and homogenizing element, a design method, and a point diffuser lens. The scattering and homogenizing element includes a microlens array, which includes several sub-lenses. The aperture boundaries of the sub-lenses are made of Thiessen polygons, and the seed point coordinates of the Thiessen polygons are randomly distributed. The geometric center point of any Thiessen polygon is the vertex position of the corresponding sub-lens. This invention can effectively suppress interference speckle caused by regular arrays, improve the uniformity of the light field, and has a better homogenizing effect in terms of irradiance distribution and intensity.
Owner:HEFEI NAIDEJIA OPTOELECTRONICS CO LTD +1

Fan regular arrangement method and device considering starting phase and row of dislocations

This application discloses a method and apparatus for wind turbine layout considering starting phase and row-column misalignment. The method includes the following steps: acquiring calculation data, acquiring the deployable area, initializing rotation angle, constructing and mapping a coordinate system, traversing parameter combinations, generating a candidate turbine location set, determining the layout scheme, reversing the rotation and mapping back to the global coordinate system, evaluating and checking the wake and outputting the results. Compared with existing technologies, the wind turbine regular layout method of this application introduces a starting point phase: by translating the array starting point within the basic unit, the system covers the "landing point difference" of the turbine positions caused by different starting points, significantly increasing the number of feasible solutions. By defining row and column offsets by g(j,ω), parallelogram arrays can be formed, and various regular array forms such as alternating odd and even offsets and periodic offsets can be uniformly described. At the same time, this application is adapted to complex boundary and multi-restricted area sites: by generating candidates and then performing constraint judgment and screening, it is applicable to complex geometric scenarios such as multi-boundary, concave polygons, and restricted areas with holes. Furthermore, it is configured with discrete search to adapt to different precisions: the range and step size of column spacing, row spacing, row and column offset parameters, and phase parameters can be configured by users or empirical rules, which is convenient for the needs and computing power control at different stages of the project. Moreover, it can be combined with the engineering wake model, based on the wind rose frequency or wind speed and direction time series weighting, to directly output the optimal solution for AEP / wake loss.
Owner:CHINA POWER ENG CONSULTING GRP CORP EAST CHINA ELECTRIC POWER DESIGN INST

Array type space microsphere chip as well as preparation method and application thereof

The invention belongs to the technical field of space omics chips, and particularly relates to an array type space microsphere chip as well as a preparation method and application thereof. According to the spatial microsphere chip provided by the invention, the circular through holes in array distribution of the through hole film are used as a microsphere limiting area, the diameter and depth of the circular through holes are matched with those of the microspheres, and the microspheres are limited at unique positions after entering the circular through holes under the action of gravity or fluid spreading in cooperation with a regular array distribution structure and a double-sided adhesive film; a round through hole is formed in the substrate, and the round through hole is adhered to the substrate through a double-sided adhesive film, so that a chip bearing system with a stable structure can be formed, the structural stability in the subsequent blowing and beating, biological reaction and slide glass operation processes is ensured, and the risk of microsphere stacking, position deviation or falling off is avoided, so that the spreading and hole falling effects of the microspheres are improved, and the hole falling defect is not easy to occur; the technical problem that an existing space microsphere chip is prone to hole falling is solved.
Owner:LEAD HEALTHCARE TECHNOLOGY (GUANGZHOU) CO LTD

Method for producing a substrate comprising multiple tips for scanning probe microscopy

One embodiment of the present disclosure is related to a method for producing a substrate comprising a plurality of tips suitable to be used in scanning probe microscopy (SPM), wherein as a first step, a substrate is produced or provided comprising a plurality of nano-sized tips, preferably arranged in a regular array and spaced apart by nano-sized interspacings. A mask is applied to this substrate, comprising multiple mask portions, wherein each mask portion covers at least one tip, whereafter the substrate is subjected to an etching process relative to the mask portions. After the removal of the mask portions, the method results in the creation of a substrate comprising multiple pedestals having each at least one nanotip on the upper surface thereof and spaced apart at a distance suitable for performing an SPM measurement of a given type.
Owner:INTERUNIVERSITAIR MICRO ELECTRONICS CENT (IMEC VZW)

Granule counting device for andrographis paniculata dropping pill packaging

The utility model discloses a tablet counting device for packaging andrographis paniculata dropping pills, which relates to the technical field of medicine production and comprises a tablet counting box, a guide box connected below the tablet counting box, a first grid hole plate arranged at the bottom of the tablet counting box, and a second grid hole plate tightly attached to the lower bottom surface of the first grid hole plate, the grain distributing groove is arranged in the grain counting box in a sliding manner; one hole of the first grid hole plate can only contain one andrographis paniculata dropping pill, and the second grid hole plate and the first grid hole plate are the same in specification; the upper end of the guide box is provided with a first slot for accommodating the second grid hole plate in a sliding manner. The andrographis paniculata dripping pills are arranged in the holes of the first grid hole plate through the pill distribution groove, then the second grid hole plate is moved, the holes of the second grid hole plate are concentrically aligned with the holes of the second grid hole plate, and the dripping pills can smoothly fall into the guide box. Then, the holes are filled by moving the first grid hole plate of the particle distribution groove, the holes of the first grid hole plate are regular arrays, counting is facilitated, and the column number of the dropping pills is controlled through the particle distribution groove.
Owner:SICHUAN ZIKUSHAN PHARM CO LTD

Light detection and ranging

A method for light detection and ranging that includes forming a first light pattern within a region of a scene by holographic projection. The first light pattern includes n light spots arranged in a regular array. A light return signal is received from each light detection element of an array of light detection elements directed at the region of the scene. The intensity of the light return signals is assessed. If the light return signals do not meet at least one signal validation criterion, a second light pattern is formed within the region of the scene by holographic projection. The second light pattern includes m light spots arranged in a regular array, wherein m≠n. A time-of-flight in association with each light spot of the second light pattern is then determined.
Owner:ENVISICS LTD

Transition metal dichalcogenide patterning growth method based on ink-jet printing water-based precursor

The invention discloses a transition metal disulfide patterning growth method based on an ink-jet printing water-based precursor, which comprises the following steps of: preparing precursor ink containing molybdate or tungstate, combining with a sulfur, selenium or tellurium source, and forming a high-precision array precursor pattern on a substrate by utilizing an ink-jet printing technology; and in-situ growth of the two-dimensional transition metal chalcogenide (such as MoS, MoSe and WTe) is realized through a high-temperature chalcogenization reaction. According to the method, the two-dimensional single crystal material which is controllable in thickness and good in crystallinity and has a regular array structure can be prepared by regulating and controlling the ink ratio, printing parameters and reaction conditions, and the method is suitable for the fields of flexible electronics, photoelectric detectors and integrated circuits. The method is simple in process, low in cost and high in expandability, and the technical problem that complex patterning integration is difficult to achieve through a traditional chemical vapor deposition method is solved.
Owner:FUZHOU UNIV

Rolled adherent cell culture substrates for uniform flow in fixed bed reactors

A cell culture matrix for culturing cells in a fixed bed reactor is provided. The cell culture matrix includes a first substrate material with an ordered and regular array of openings passing through the layer, the openings being separated by the substrate material having a physical structure that is substantially regular and uniform and that is configured for growing cell thereon. The physical structure and array of openings are configured such that, when the first substrate material is rolled into a rolled substrate matrix comprising rolled layers of the first substrate material, a variation in packing density of the rolled layers is less than about 20×, less than about 10×, less than about 5×, or less than about 2× throughout the rolled substrate matrix.
Owner:CORNING INC

Methods for designing the optimal secondary electron emission coefficient rectangular slot array structure dimensions

This invention discloses a method for designing the optimal secondary electron emission coefficient (SEEC) rectangular slot array structure size, comprising the following steps: S1, establishing the size and variation range characterizing the regular array rectangular slot structure; S2, calculating and obtaining the maximum SEEC and SEEC curve based on the size of the regular array rectangular slot structure; S3, calculating the surface impedance based on the operating frequency and the size of the regular array rectangular slot structure; S4, treating the size of the regular array rectangular slot structure as an individual in a population, calculating the fitness value of each particle, and obtaining the optimal combination of rectangular slot array structure sizes. This method can simultaneously reduce the SEEC and surface impedance, and can be used to reduce the SEEC of metal surfaces, providing support for suppressing micro-discharge in high-power microwave components in space.
Owner:BEIJING INFORMATION SCI & TECH UNIV +1

Self-assembled guided hole and via patterning over grating

Described herein are IC devices include vias deposited in a regular array, e.g., a hexagonal array, and processes for depositing vias in a regular array. The process includes depositing a guiding pattern over a metal grating, depositing a diblock copolymer over the guiding pattern, and causing the diblock copolymer to self-assemble such one polymer forms an array of cylinders over metal portions of the metal grating. The polymer layer can be converted into a hard mask layer, with one hard mask material forming the cylinders, and a different hard mask material surrounding the cylinders. A cylinder can be selectively etched, and a via material deposited in the cylindrical hole to form a via.
Owner:INTEL CORP

A flexible matrix array light guide module and method of assembly

PendingCN122504835ASimplify the work processImprove production taktLight guideOptical coupler
This invention provides a flexible matrix array light guide module and its assembly method, comprising multiple integrated optical coupler light-emitting carriers integrally injection molded into a matrix array via flexible connecting ribs; wherein, the matrix array has an N×M or N×N regular array layout, the spacing between the integrated optical coupler light-emitting carriers is set according to the distance to the light source, the thickness of the flexible connecting ribs is 0.2-0.6mm, the width of the flexible connecting ribs is 0.1-2.0mm, the material of the flexible connecting ribs is the same as that of the integrated optical coupler light-emitting carriers, the matrix layout can be an N×M or N×N regular array, and the spacing can be customized according to the distance to the light source; the flexible connecting ribs have a V-shaped groove in the middle along the length direction, the V-shaped groove is used for manual breakage when needed; the bending radius of the flexible connecting ribs is ≥200mm, used to adapt to the curvature of the car roof; the advantages of this invention are: the flexible matrix integrated design supports modular assembly and curved surface assembly.
Owner:CHANGCHUN FAWAY AUTOMOBILE COMPONENTS CO LTD

Light field particle image velocimetry system and method based on meta-lens array

The application provides a kind of light field particle image velocimetry system and method based on super lens array, comprising: super lens array, digital camera, main imaging lens, laser light source and computer;The super lens array contains a series of super lenses, constitutes a regular array, the light scattered or emitted by the tracer particle in the region to be measured is imaged, and the image formed is located in the plane of the digital camera photosensitive chip;The digital camera is used to collect the image of tracer particle in the flow field to be measured formed by the super lens array;The computer processes the calibration and experimental image data collected by the digital camera, calculates the camera parameters through the calibration image, and performs three-dimensional cross-correlation or particle matching tracking analysis on the experimental image to obtain the particle displacement of the region to be measured and three-dimensional flow field data;The application can also be effectively expanded to high-speed, microscopic and other special measurement fields, thereby effectively reducing the hardware cost and test space requirement.
Owner:SHANGHAI JIAOTONG UNIV

Hydrogen evolution catalytic material with gamma-prime phase nano-array structure and preparation method thereof

The application discloses a hydrogen evolution catalytic material with a gamma prime phase nano array structure, and the hydrogen evolution catalytic material comprises a cobalt-based alloy base and a nano catalytic layer; the cobalt-based alloy base is a Co-xAl-yW alloy; wherein x and y are atomic percentages, the value range of x is 8-10, and the value range of y is 9-10; the nano catalytic layer is in-situ grown on the surface of the cobalt-based alloy base, the nano catalytic layer has a gamma prime phase nano array structure, and the gamma prime phase nano array structure is composed of gamma prime phase nano units in a rectangular array distribution. The hydrogen evolution catalytic material has high-density active sites and optimized hydrogen evolution reaction kinetics characteristics, has excellent catalytic activity, and realizes the double improvement of acid resistance and long-term stability by relying on the oxidation layer protection and the regular array structure, and fundamentally solves the technical pain point that the activity and stability of traditional non-noble metal catalysts are difficult to be considered.
Owner:NANJING TECH UNIV

Current collector and preparation method and application thereof

The invention relates to the field of batteries, in particular to a current collector and a preparation method and application thereof. The current collector comprises a groove current collector substrate, wherein at least one surface of the groove current collector substrate is provided with a regularly arranged groove array; the lithium-loving nano-particles are fixed in the grooves in an in-situ deposition manner; and the composite carbon layer is laminated and attached to the surface of the groove current collector substrate provided with the groove array. According to the current collector, through the collaborative design of the groove current collector, the lithium-loving nano particles and the composite carbon layer, the battery performance is comprehensively improved: the groove structure and the composite carbon layer jointly inhibit the growth of lithium dendrites and the agglomeration of active substances, effectively accommodate the volume change and ensure the interface stability; meanwhile, the lithium-loving nano-particles guide lithium to be uniformly deposited, and the rigid carbon cloth framework provides excellent mechanical strength, so that the current collector can still keep a complete structure when bearing high pressure in the battery, and the cycle life and the safety of the negative-electrode-free battery are remarkably improved.
Owner:CHINA FAW CO LTD

Flexible material conveying and packaging device and control method thereof

This invention discloses a flexible material conveying and packaging device and its control method, including an input conveyor belt, a clamping platform, a blocking mechanism, a guiding clamping mechanism, a sorting platform, a transfer platform, a transfer mechanism, and an output mechanism. The blocking mechanism guides the material to the clamping platform; a vision detection unit identifies the orientation of the material's long side; the guiding clamping mechanism, driven by a first multi-axis robot, rotates to be parallel to the long side of the material, receives a single row of material, and transfers it to the sorting platform, repeating this operation to accumulate and form an initial aligned array of materials; the sorting clamps push and straighten the material to form a regular array; the regular array is moved to the transfer platform and precisely positioned by positioning clamps; the transfer mechanism, driven by a second multi-axis robot, loads the regular array into a box. This invention achieves high precision, high flexibility, and a compact layout for material sorting and boxing through two-stage sorting and multi-axis robot handling.
Owner:QUANZHOU KESHENG PACKAGING MACHINERY

Hybrid ACIM and DCIM circuit based on 1T-nC-1T FeRAM

The invention provides a mixed ACIM and DCIM circuit based on a 1T-nC-1T FeRAM, and belongs to the technical field of novel storage and calculation. The circuit comprises a novel 1T-nC-1T FeRAM device structure, a plurality of ferroelectric capacitors connected in parallel form an nC structure, each ferroelectric capacitor adopts a planar capacitor structure or a three-dimensional cylindrical capacitor structure and forms the nC structure through planar parallel connection or three-dimensional vertical stacking, a top electrode of the nC structure is connected with source electrodes of two transistors to form the 1T-nC-1T structure, and a top electrode of the nC structure is connected with source electrodes of the two transistors to form the 1T-nC-1T structure. A bottom electrode of the nC structure is used as a plate line PL, a grid electrode and a drain electrode of the transistor are respectively used as a word line WL and a bit line BL, and the 1T-nC-1T structure forms a regular array structure in the horizontal direction and the vertical direction; the WL in the 1T-nC array is parallel to the PL, the BL in the 1T-nC array is perpendicular to the PL and is used for parallel computing of the ACIM, and the WL in the nC-1T array is perpendicular to the PL, the BL in the nC-1T array is perpendicular to the PL and is used for row-by-row computing of the DCIM; the method has the advantages of high calculation parallelism and high energy efficiency of the ACIM and high precision and high robustness of the DCIM, and the problem of write crosstalk of an nC structure is solved.
Owner:PEKING UNIV

Device and method for estimating far-field noise of capacitor device based on monopole array

The invention discloses a capacitor device far-field noise estimation device and method based on a monopole array, and the method comprises the steps: carrying out the monopole sound source modeling of each capacitor unit, and arranging the monopole sound sources into a regular array in a three-dimensional space; constructing a sound pressure analytical expression of a far-field measuring point, describing the positions of the measuring point and a sound source, calculating the sound pressure of each monopole sound source at the measuring point, and carrying out accumulated calculation on the sound pressure of the whole sound source array at the measuring point; a ground reflection effect is considered, a mirror image sound source is introduced into each monopole sound source model, and a total sound pressure value at a measuring point is corrected; a directivity factor is constructed to reflect the directivity characteristics of the array, and the directivity factor and the acoustic power level of a single capacitor are used to estimate the total sound pressure level of the entire array at a specific frequency. According to the method, the sound wave coherence and the ground reflection effect are considered, and the multi-measuring-point far-field sound pressure calculation speed can be remarkably increased while the prediction precision is guaranteed.
Owner:XI AN JIAOTONG UNIV +2

Image processing method and device, industrial system, computer equipment and storage medium

The invention relates to an image processing method and device, an industrial system, computer equipment and a storage medium. The method comprises the following steps: acquiring an original grayscale image of a regular array product; preprocessing the original grayscale image to obtain a down-sampling image; wherein the preprocessing comprises filtering processing and down-sampling processing; obtaining the gray level distribution condition of each pixel in the downsampling image based on a target convolution kernel; wherein the coverage area of the target convolution kernel comprises a product area and a background area; determining a gray mapping function corresponding to each pixel according to the gray distribution condition; and performing full-image convolution operation on the original grayscale image according to the grayscale mapping function to obtain a target image. According to the invention, aiming at the phenomenon of uneven illumination in the regular array product image, brightness optimization can be carried out on each pixel, so that the brightness performance consistency of each area of the regular array product is effectively improved.
Owner:SHENZHEN HANS GREEN POWER LIGHTING TECH

Phase change material, heat exchanger and related thermal battery

The phase change temperature range of the phase change material (PCM) provided by the invention is about 3 DEG C to 27 DEG C. The PCM comprises 35% to 60% (by weight) of at least one inorganic salt, 1% to 9% (by weight) of at least one nucleating agent, 1% to 4% (by weight) of at least one thickening agent, and generally 30% to 66% (by weight) of moisture. The PCM can be used in a thermal battery (1) comprising a tank (2) for containing the PCM. The thermal cell (1) comprises a HEX 4 having a plurality of plates (5), each plate (5) forming a fluid flow channel (7) extending through the plate. The plates (5) are arranged in the storage tank (2) in a regular array, so that the fluid flow channels (7) of each plate (5) are arranged in a staggered mode in the storage tank (2) relative to the adjacent plates.
Owner:AMETALIN IP PTE LTD

A non-regular array real-time beamforming method based on generalized regression neural network

The application discloses a real-time beamforming method for irregular arrays based on a general regression neural network (GRNN). The method is characterized in that: firstly, the array geometry structure, the electromagnetic characteristics of array elements and the expected beamforming type are determined, and the method is applicable to non-uniform arrays and element heterogeneous arrays; secondly, an alternating projection algorithm based on a least square initial solution is used to iteratively solve the array element excitation meeting the shaping requirements; then, the least square initial solution is taken as input, and the alternating projection iterative excitation is taken as output to construct a standardized benchmark data set; finally, the data set is used to train the GRNN to establish a real-time mapping model from the initial excitation to the accurate excitation. The application takes the least square analytical approximate solution as input, reduces the mapping difficulty, combines the advantages of the GRNN, such as no iteration parameter adjustment and efficient training, greatly improves the comprehensive efficiency of beamforming of any array, and realizes the real-time and accurate beamforming of irregular arrays.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA +1

Omnidirectional Treadmill

An omnidirectional treadmill for facilitating the VR experience includes a concave platform with a regular array of openings in which ball-bearing elements are installed, spanning the platform's upper surface. The platform is supported by a frame connected to a freely rotating body support to hold the user in position above the platform's central point. The combined use of the concave, ball-bearing-covered platform and the body support allows the user to move freely in a manner that allows the user's feet to roll on the platform floor, giving the user a feeling of considerable freedom. The user's movement is tracked and translated into movement in the VR application.
Owner:ファヒナーマーヴィン

Omnidirectional treadmill

An omnidirectional treadmill device for supporting a VR experience includes a concave platform having a regular array of apertures in which ball bearing elements are installed, the array extending across the upper surface of the platform. The platform is supported by a frame connected to a freely rotatable body support to hold a user in a position above a central point of the platform. The combined use of the concave, ball-bearing covered platform and the body support allows the user freedom of movement in a way that allows their feet to roll on the floor of the platform in a way that feels natural. The user's movements are tracked and converted into joystick movements for the VR application.
Owner:FACHTNER MARVIN

A dual-band wave-transparent wave-absorbing frequency-selective radome structure design method, device and equipment

This invention relates to a design method, apparatus, and device for a dual-band transparent absorbing frequency-selective radome structure. The method includes designing a dual-passband transparent absorbing frequency-selective surface using bending, composite, and multi-layer cascading techniques, and a regular array composed of absorbing frequency-selective surface units. The apparatus includes an absorbing module and a dual-band transparent module, and the device includes a protective layer, an absorbing layer, a support layer, and a bandpass layer. This invention achieves an absorbing frequency-selective surface structure with two passband responses, which not only absorbs electromagnetic waves from the upper and lower frequency bands of the two passbands, suppresses electromagnetic wave reflection, reduces the risk of radar detection, but also ensures the dual-band communication requirements of the system. The two passbands operate in the C-band and X-band, respectively. This invention exhibits good polarization stability and angular stability for electromagnetic waves incident at different angles.
Owner:BEIJING UNIV OF POSTS & TELECOMM