199 results about "Dot array" patented technology

The invention provides a thoracic surgery pathological section image super-resolution reconstruction method, and relates to the technical field of image processing, and the method specifically comprises the steps: collecting a high-resolution thoracic surgery pathological section image, and generating a low-resolution image; constructing a local directional dot matrix tensor and a response adjustment factor based on the low-resolution image, calculating an angle response aggregation kernel tensor, and performing segmented mapping in combination with a nonlinear response reconstruction function to complete directional fusion normalization so as to obtain a directional aggregation enhanced image; a robust local reference value and local texture energy are calculated in a neighborhood range, a structural strength weight is generated in combination with a variance balance parameter and a contrast balance parameter, a difference amplification item is constructed, image fusion with direction aggregation is enhanced through a residual mode, and a structure guide enhanced image is obtained; carrying out weighted mean and variance calculation to generate a difference regulation factor, and combining convolution smoothing and nonlinear amplitude limiting processing to obtain a structure contrast mapping image; and finally, inputting the image into an image reconstruction module to realize resolution improvement.

The invention discloses a vertical-horizontal mixed enhanced selective laser melting lattice structure based on a face-centered cube (FCC) and a preparation method of the vertical-horizontal mixed enhanced selective laser melting lattice structure. According to the method, starting from a basic FCC lattice unit, firstly, an in-plane enhanced transition lattice structure FCC-H (FCC-Horizon) is formed through a crossed structure of an inclined main rod and an auxiliary rod perpendicular to the main rod; the secondary auxiliary rods are distributed in a radial mode to construct a continuous bridging grid by further optimizing the rod piece connecting mode and the diameter proportion, and finally the vertical-horizontal mixed enhanced FCC-VH (FCC-Vertical Horizon) lattice structure is obtained. According to the structure, through the synergistic effect of the inclined main rods and the auxiliary rods perpendicular to the main rods, the compressive strength, the specific stiffness, the specific strength and the specific energy absorption of the structure are remarkably improved while the light weight is kept. According to an experiment, 316L stainless steel powder is adopted, an FCC-VH lattice structure is prepared through a selective laser melting (SLM) technology, the compression deformation mode of the FCC-VH lattice structure is converted into multi-node cooperative bearing from local buckling of a basic FCC, and the overall compression performance is more remarkably improved.

The invention belongs to the technical field of laser material processing, and relates to a low-temperature laser synchronous welding method for a main-grid-free structure of a TOPCon battery, which comprises the following steps of: dividing and shaping incident laser into a plurality of paths of independent laser sub-beams matched with a fine grid line pattern through a spatial light modulator, and constructing a synchronous laser dot matrix energy field; the method comprises the following steps of: obtaining temperature distribution of a welding area in real time through a high-resolution infrared thermal imager, constructing a full-field temperature data set, performing temperature extraction and deviation analysis on the data set, generating power compensation amount of each sub-area, and judging whether to trigger power fine adjustment or not based on a preset temperature uniformity control judgment rule. And a fine adjustment object and a final compensation amount are determined during triggering, heat preservation and curing treatment are carried out on a fine-adjusted welding area, finally, a main-grid-free welding structure which is in uniform low-temperature connection with all the fine grid lines is formed, and uniform, reliable and low-damage synchronous connection between all the fine grid lines and the welding strip is achieved.

The application provides a high-precision dot array density development method, system, medium and product of a beauty lens, relates to the technical field of beauty lens production, and comprises the following steps: obtaining multi-modal fashion data through a crawler technology and extracting a trend semantic vector from the multi-modal fashion data; mapping the trend semantic vector to micro-physical parameters for defining a beauty lens pattern based on a pre-trained neural network model to obtain an initial dot array parameter set; performing graphical rendering on the initial dot array parameter set to obtain a plurality of initial beauty lens dot array patterns; simulating the wearing effect of each initial beauty lens dot array pattern on a three-dimensional human eye model through simulation software to obtain a plurality of virtual wearing effect diagrams; and determining an initial beauty lens dot array pattern with an aesthetic evaluation score greater than a preset score threshold as a final beauty lens dot array pattern. By implementing the method, the limitations of a traditional design element library are broken, the generation of beauty lens patterns is more innovative and diverse, and the innovation and pop fit of the beauty lens patterns are improved.

The application provides a preparation method of a dot array biochip. The application forms a nano-pore dot array on a chip substrate through nano-imprinting, uniformly forms a functional modification layer on the dot array surface through a hydrogel, and then performs etching treatment on the substrate by using a deflected ion beam; an angle between an ion beam incident direction and a surface of a slide stage is θ during etching, so as to perform selective etching on the functional modification layer; through the etching with the angle, the functional modification layer of the bottom and part of the sidewall of the nano-pore can be reserved, and the functional modification layer of other parts is etched clean by the ion beam; the ion source of the IBE is argon, which is stable in chemical property and has no obvious influence on the chemical composition of the material, so that the damage of chemical residues to the performance of the functional material is avoided; the IBE does not produce chemical reaction byproducts, so that the risk of surface residual particles and pollution is reduced; the ion beam energy of the IBE is adjustable, the relatively mild etching avoids damage to the substrate, and the influence on the lattice and surface state of the surface layer material is small.

The invention relates to an anti-dazzle glass dot matrix arrangement method and anti-dazzle glass, and the anti-dazzle glass dot matrix arrangement method comprises the following steps: setting an initial round dot in a central area of a layout area, and annularly generating a first round chain by taking the initial round dot as a center; a common circumscribed circle is generated outwards with the starting circle point and the end point circle point of the first circular chain as the reference to serve as a first circular chain extension circle point, and a second circular chain is generated outwards in the clockwise direction or the anticlockwise direction with the first circular chain extension circle point as the center; and sequentially generating second round chain extension dots along the generation direction of the second round chain, sequentially generating a next round chain along the generation rule of the second round chain and the second round chain extension dots, and stopping the generation of the round chains until the layout area is full of the round chains.

The invention relates to the field of medical health, in particular to a breathing throw pillow used for collecting abdominal breathing signals. Comprising a throw pillow case and at least one bag body which is fixed on the throw pillow case and is made of an elastic material, an accommodating space for accommodating the embedded sensing device is formed between the bag body and the throw pillow case, and a notch for embedding the embedded sensing device is formed between the bag body and the throw pillow case; the size of the notch is smaller than that of the short edge of the embedded sensing device; an anti-skid dot matrix is arranged on the throw pillow case in the accommodating space, and the density of the anti-skid dot matrix is gradually reduced from the periphery to the central area; correspondingly, the four corners and the center of the bottom of the rectangular bearing frame are each provided with a spherical groove, and the height of the anti-skid points, corresponding to the spherical grooves in the bearing frame, in the anti-skid dot matrix is larger than that of the anti-skid points in other positions in the anti-skid dot matrix. According to the invention, the sensor can be detachably mounted in the bolster by means of the supporting frame.

The invention relates to the technical field of molecular diagnosis and graphic processing, in particular to an electronic microarray chip dot matrix negative and positive judgment method based on an ISFET sensor. A chip hole site corresponds to an ISFET sensor, and after a hole bottom specific nucleic acid probe and a target sequence are hybridized and extended, the voltage of the sensor is changed. The method specifically comprises the following steps: data preprocessing: filtering median values of multi-frame electric signals of a hole site and taking a mean value; the dot matrix identification comprises the steps of threshold demarcation, Canny edge detection, circular Hough transform, optimal circle screening by Kdtree, array numbering and abnormal deletion processing to position a dot matrix; and calculating a result, extracting a signal difference value of the D1 stage and the D4 stage, evaluating numerical values of the positive quality control array and the to-be-detected sample array through a numerical value of the negative quality control array, and judging a final calculation result. According to the method, response changes are rapidly analyzed through image recognition, false detection and missing detection caused by numerical value differences in different arrays are reduced through multiple times of detection, and the detection accuracy is improved by selecting the most possible area through tickets.

The invention discloses a nanoimprint template and a manufacturing method thereof, and belongs to the technical field of nanoimprint template manufacturing, the manufacturing method comprises the steps that a small template, an exposure film and a positioning film are manufactured, the exposure film is a thin plate composed of a light-proof area and a light-transmitting area, the edge of the exposure film is provided with a dot array which is complementary left and right and is complementary up and down, and the dot array is arranged in the light-proof area and the light-transmitting area; the density of the lattice points in the lattice point array is gradually reduced from the light-proof area to the light-transmitting area, and the light-transmitting state and the background state of any two lattice points in an axial symmetry state are opposite; manufacturing a first splicing structure; and carrying out transfer printing on the lattice points on the right side of the first splicing structure again to obtain the traceless nanoimprint template. Through the design of the dot array on the exposure film, the edge patterns are randomly cured, the edge patterns of the two transfer structures are complementary, and splicing seam traces are weakened.

The invention discloses a thin-walled workpiece robot polishing follow-up dot matrix circulating auxiliary device which comprises a polishing robot mechanism, a thin-walled workpiece and a follow-up dot matrix magneto-rheological supporting mechanism arranged right in front of the polishing robot mechanism. A left positioner and a right positioner are arranged on the two sides of the follow-up dot matrix magneto-rheological supporting mechanism and are configured to clamp the thin-wall part from the two sides so that the thin-wall part can be synchronously displaced along with the left positioner and the right positioner. The thin-wall part is arranged vertically above the follow-up dot matrix magneto-rheological supporting mechanism, and the working end of the polishing robot mechanism is arranged above the thin-wall part. Active and self-adaptive supporting is provided from the lower portion, cutting force applied by a grinding robot is effectively offset, vibration and deformation of a workpiece are greatly restrained, and machining precision and surface quality are guaranteed.

The invention discloses a disposable photo-thermal self-heating wet tissue, a preparation method of the disposable photo-thermal self-heating wet tissue and a wet tissue product, and belongs to the technical field of hygienic products. The disposable photo-thermal self-heating wet tissue sequentially comprises a transparent leakage-proof layer, a photo-thermal layer and a cleaning layer from top to bottom, wherein the photo-thermal layer comprises a three-branch azobenzene / graphene composite fiber woven mesh and a hot melt adhesive dot array, and the hot melt adhesive dot array fixes the three-branch azobenzene / graphene composite fiber woven mesh between the cleaning layer and the transparent leakage-proof layer. The three layers can be compounded and fixed through the hot melt adhesive dot array in the photo-thermal layer of the wet tissue, the energy density of composite fibers of the photo-thermal layer is high, rapid and stable photo-thermal conversion can be achieved through sunlight or blue light irradiation, a traditional chemical heating agent is replaced, the chemical leakage risk is completely eliminated, the temperature is controllable, and the mechanical stability is good; the requirements of one-time cleaning and warm keeping are met, and wide application prospects are achieved.

The invention relates to the technical field of cadmium telluride power generation glass, in particular to a copper-doped back contact layer, a preparation method of the copper-doped back contact layer and cadmium telluride power generation glass. The preparation method of the copper-doped back contact layer comprises the following steps: firstly preparing the back contact layer, then preparing a copper paste dot matrix on the back contact layer, and finally carrying out two-stage heat treatment, the first-stage heat treatment temperature of the two-stage heat treatment is 180-220 DEG C, and the second-stage heat treatment temperature of the two-stage heat treatment is 250-300 DEG C. According to the preparation method, an intrinsic zinc telluride (i-ZnTe) buffer layer is introduced and combined with a dot-matrix copper doping technology, and a super-stable back contact structure which is gently transited in energy band, extremely low in interface recombination and strictly limited in Cu ions is constructed between the CdTe absorption layer and the metal back electrode, so that the cadmium telluride power generation glass which is higher in efficiency and longer in service life is prepared.

The invention discloses a mark point array for a visual tactile sensor, a sorting matching method of the mark point array, the visual tactile sensor and a binocular matching and three-dimensional reconstruction method. According to the mark point array, the mark points are divided into the center mark point, the multi-level anchor points and the common mark points according to functions, the mark points are achieved through size layering, rapid classification can be achieved, point-by-point comparison is not needed, and the grouping efficiency of follow-up recognition is greatly improved; meanwhile, the multi-level anchor points and the common points are arranged in a concentric circle layer mode with the center mark point as the center, the multi-level anchor points are arranged on even circle layers, the first-level anchor points are arranged on multiple even circle layers and located on multiple first-level rays starting from the center, multiple main sectors are divided, and a global position reference datum is established; finally, the secondary anchor points are arranged on a preset ring layer and located on a plurality of secondary rays, each main sector is equally divided into sub-sectors, the local reference is refined, the efficiency, robustness and certainty of follow-up mark point sequencing matching can be improved, and therefore high-precision three-dimensional reconstruction is achieved.

The application is suitable for the technical field of image display control, and provides a display control method, a display control device and a display screen controller, which comprises the following steps: determining S different random arrays corresponding to S LED dot arrays respectively; determining the cumulative value of the values included in the random arrays to obtain the total number of time segments corresponding to each random array; for each random array, determining the time segment duration corresponding to each value included in the random array according to the display duration of a single image frame and the total number of time segments corresponding to the random array; after obtaining an image frame to be displayed, determining, for each LED dot array, whether the LED dot array is lit on the time segment corresponding to the value included in the random array corresponding to the LED dot array according to the image data corresponding to the LED dot array in the image frame and the total number of time segments. Through the above method, the probability of leaking the displayed information of the LED display screen when displaying information can be reduced.

This invention discloses a vehicle-mounted backlight that eliminates white clumps, relating to the field of vehicle-mounted display devices. It includes a light guide plate, an LED light source disposed on one side of the light guide plate, and an optical film assembly disposed on the light-emitting surface of the light guide plate. The light guide plate has an incident light surface and an emitting light surface. Its back side has a dot array for converting point light sources into surface light sources. The dot array includes several light-guiding dots arranged in a non-uniform pattern, forming at least one directional channel on the back side of the light guide plate for directing airflow during adsorption, thereby reducing air stagnation in the edge areas. The LED light source is arranged in an array, with its density and position matching the high-density areas in the non-uniform dot layout of the light guide plate. The LED light source is used to inject light into the light guide plate. This vehicle-mounted backlight, through its non-uniform dot layout and airflow channel, combined with a light source matching design, eliminates adsorption white clumps at the source, improving display quality and reliability in vehicle environments.

The invention discloses a method and a device for correcting a light-emitting device array image and a storage medium, which are used for converting an irregular light-emitting device array into an array image with a fixed repetition period so as to facilitate defect detection and improve the defect detection efficiency. The method comprises the following steps: acquiring a chip array diagram for shooting a target screen, and acquiring coordinate positions of chips in the target screen and the number of rows and columns of the chips; constructing a chip coordinate matrix according to the coordinate position of the chip; according to the coordinate positions of the chips and preset chip size parameters, the row and column spacing between the chips is obtained through calculation; according to preset chip size parameters, the number of rows and columns of the chips and the row and column spacing between the chips, theoretical dot matrix coordinates are constructed; dividing the chip coordinate matrix into a first area coordinate group; according to the theoretical dot matrix coordinates and the first region coordinate group, performing regional calculation to obtain a region transformation matrix; and processing the first region coordinate group according to the region transformation matrix to obtain a corrected image.

The utility model relates to the technical field of optical lenses, in particular to a miniature dot matrix contrast-reducing lens, which comprises a lens, the lens comprises a central optical area and a miniature dot matrix area, the miniature dot matrix area comprises two dot matrix structures, namely a large dot matrix with the diameter of 0.18 mm and a small dot matrix with the diameter of 20-30 microns, the number ratio of the large dot matrix to the small dot matrix is 1: 3-1: 8, and the number ratio of the large dot matrix to the small dot matrix is 1: 3-1: 8. The covering density of the dot matrix areas is 10-45%, the dot matrix spacing is 0.2-0.65 mm, the depth of the dot matrix is 2-8 microns, the edge of the dot matrix is provided with a smooth transition area of 0.05-0.1 mm, the lens further comprises micro-lens areas, and the micro-dot matrix areas and the micro-lens areas are alternately distributed. The central optical area of the lens is not covered by the dot matrix, so that clear view is guaranteed; the contrast of the dot matrix area is accurately regulated and controlled, full-view blurring is avoided, micro-lens defocusing and dot matrix contrast reduction are combined, eye axis growth is doubly inhibited, dot matrix size and interval optimization is achieved, and glare and visual interference are reduced.

The invention relates to the technical field of surface treatment, and discloses an aluminum alloy surface treatment method and an aluminum alloy material.The aluminum alloy surface treatment method comprises the steps that S1, an aluminum alloy matrix is subjected to deoiling, alkali washing and electric polishing, and a pretreated aluminum alloy matrix is obtained; and S2, a porous aluminum oxide layer is formed on the surface of the pretreated aluminum alloy base body through laser combined machining, a boss dot matrix is formed at an orifice of the porous aluminum oxide layer through reverse dissolution and heterogeneous particle deposition, a composite aluminum alloy base body is obtained, and laser combined machining is combined machining of laser etching and anodic oxidation. According to the aluminum alloy surface treatment method and the aluminum alloy material, the meshing effect of pore channels and bosses is formed, surface energy and acid-base Lewis sites are regulated and controlled through component and crystalline phase heterogeneous sites, interface chemical compatibility and heat and humidity resistance stability are improved, meanwhile, pore blocking caused by a continuous film is avoided, and therefore the specific surface area, interface energy and stability are improved, and the service life of the aluminum alloy material is prolonged. And the aluminum alloy surface with high bonding strength is formed.

The application discloses a low-frequency broadband seismic metamaterial filled with a five-mode dot array core and a design method thereof. The seismic metamaterial is composed of a five-mode dot array core, a concrete hollow pipe and an outermost soil layer. The five-mode dot array core is composed of a plurality of hexagonal crystal system units arranged periodically. The hexagonal crystal system unit is connected by an axial direction and is obtained by space structure conversion. The hexagonal crystal system unit is arranged periodically to form a three-dimensional dot array core structure composed of a plurality of hexagonal crystal system units. The low-frequency broadband seismic metamaterial filled with the five-mode dot array core can form a low-frequency broadband in a target frequency band. The seismic metamaterial is arranged in a vibration isolation area underground. When a seismic Rayleigh wave propagates to the area, the wave energy is significantly weakened under the action of a forbidden band, so that effective isolation and attenuation of the Rayleigh wave can be realized under the condition of a limited space.

The application provides a distortion model calibration method, a video perspective method and a head-mounted display device, and is used for improving the video perspective effect of a low-cost optical machine. The method comprises the following steps: capturing each first feature point displayed in the head-mounted display device by using a camera to obtain a first dot array image; performing feature point matching according to the image position coordinates of each second feature point obtained by feature extraction on the first dot array image and the position coordinates of each first feature point in a micro display to obtain each feature point matching pair; calibrating a distortion model of the optical machine by using the three-dimensional position coordinates of the first feature point in the lens of the optical machine and the image position coordinates of the second feature point in each feature point matching pair to obtain a calibrated distortion model; the distortion model is a radial distortion parameter added in an augmented Brown model, and the three-dimensional position coordinates of any first feature point in the lens of the optical machine are obtained based on the position coordinates of the first feature point in the micro display.

The application discloses a glass substrate hole modification method and an integrated waveguide manufacturing method, and comprises the following steps: focusing a laser focus on one side of a glass substrate close to the bottom surface thereof; controlling the laser focus to perform annular scanning along the outer contour of a preset hole to form a closed modification ring; controlling the laser focus to perform point-by-point scanning with a preset dot array interval in the internal area surrounded by the modification ring to form an array distributed modification dot array; and making the laser energy density of the annular cutting area of the modification ring lower than the laser energy density of the filling area of the modification dot array. The application can assist in high-precision preparation of a through hole and a blind hole with a vertical sidewall and a flat bottom on a glass substrate, thereby effectively improving the performance of a millimeter wave slow wave passive device and reducing the cost.

The invention relates to the technical field of computer vision measurement, and particularly provides a large-scale space axis measurement method and system based on computer vision, a terminal and a storage medium, and the method comprises the steps: constructing a space axis measurement environment which comprises a feature plate and a to-be-measured object containing a to-be-measured axis, a dot matrix is arranged on the characteristic plate; the method comprises the following steps: in a space axis measurement environment, acquiring images of a plurality of feature plates and a to-be-measured object in the same picture at different positions and angles by using image acquisition equipment to obtain a to-be-measured axis key point image set; and fitting the three-dimensional coordinates of the key points of the axis to be measured to obtain an axis equation, calculating the distance from the three-dimensional coordinates of the current position of the image acquisition equipment to the axis equation, and when the distance is shortest, the position of the image acquisition equipment is the position of the axis. The method does not need to design and install a clamp for the to-be-measured object, and is suitable for objects in various shapes.

The invention relates to the technical field of bacterium detection. The invention provides a bacteriophage labeled array micro-fluidic chip based on dot matrix luminescence quantitative analysis, a preparation method thereof and a method for detecting by using the same, target pathogenic bacteria are enriched by adopting magnetic beads, and specific recognition and capture of virulent strains are realized by combining an array micro-fluidic chip integrated with a bacteriophage coding probe. And after the captured viable bacteria are cracked to release ATP, bioluminescence imaging and quantitative detection are realized. The method comprises the following steps: enriching and eluting to-be-detected bacteria through magnetic beads modified with bacteriophage, then introducing a sample into an array micro-fluidic chip system, and realizing rapid qualitation and accurate quantification of live strains according to the distribution area of light-emitting signals and the number of light-emitting points in an array. The chip detection system has the characteristics of high efficiency and rapidness, can finish on-site instant detection of at most 12 food-borne pathogenic viable bacteria and virulent strains thereof within 30 minutes, and provides a new method for food safety monitoring.

The invention discloses a preparation method of an addressable disc ultramicro electrode array for electrochemical imaging, which comprises the following steps of: 1, preparing a nanowire array by using an ultrathin slicing machine as processing equipment and a silicon wafer with a micron groove array structure as a template; 2, transferring the nanowire array to a silicon wafer, performing three-dimensional alignment on a molybdenum mask plate with a lead pattern and the nanowire array, and realizing lap joint of a lead and the nanowire array and preparation of the lead by combining a physical vapor deposition method; 3, resin is poured on the silicon wafer for normal-temperature curing, and the pattern is transferred to the resin; 4, macroscopic wire lap joint and packaging are carried out, a resin block with an embedded array structure is obtained, the end face is trimmed through an ultra-thin slicing machine, the dot array is exposed, and preparation of the addressable disc ultramicro electrode array is completed. According to the method, the addressable disc ultramicro electrode array which is high in consistency, high in spatial resolution and capable of being expanded at will can be prepared simply and efficiently at low cost.

The invention discloses a method for preparing 18Ni300 breathable die steel through a selective laser melting forming lattice structure method, 18Ni300 alloy is used as a raw material, the advantage that a complex shape can be formed through the selective laser melting technology is utilized, three lattice structure models of BCC, FCC and FBCCZ are designed, optimized selective laser melting forming technological parameters are combined, and the 18Ni300 breathable die steel is prepared. The method comprises the following steps: preparing a 18Ni300 breathable die steel sample with a regular porous structure, and screening out a collaborative optimal process scheme of breathability and mechanical property by combining multi-dimensional performance verification; the performance requirements of different regions are met, and the problem that air permeability and mechanical properties are difficult to be compatible in the prior art is solved.

The invention relates to the technical field of ship paint spraying, in particular to a paint surface texturing and cleaning device. The paint surface texturing cleaning device comprises a shell, a laser light source, a collimating head, a Powell prism, a plano-convex cylindrical surface focusing lens, a micro-cylindrical lens array and a mode switching module. A collimating head, a Powell prism, a plano-convex cylindrical focusing lens and a micro-cylindrical lens array are sequentially arranged in the shell at intervals in the transmission direction of laser emitted by the laser light source, and the central axis of the Powell prism and the central axis of the plano-convex cylindrical focusing lens coincide with the optical axis of the laser. The micro-cylindrical lens array is movably arranged in the shell and provided with a texturing position and a cleaning position, and the mode switching module is in transmission connection with the micro-cylindrical lens array so as to drive the micro-cylindrical lens array to move to the texturing position or the cleaning position. The paint surface texturing and cleaning device can generate one-dimensional dot matrix light spots equally divided by total laser energy, the uniform and non-ablation paint surface texturing effect is achieved, and meanwhile switching between the paint surface texturing mode and the paint removing / rust removing operation mode is achieved.

The invention relates to the technical field of power generation glass, and discloses VO2 cadmium telluride composite intelligent power generation glass and a preparation method thereof. The power generation glass comprises a transparent glass substrate; the FTO front electrode layer is deposited on the glass substrate; the VO2 nano dot array is formed on the FTO front electrode layer; the CdSe window layer is deposited on the VO2 nano dot array; the CdTe absorption layer is deposited on the CdSe window layer, and the CdTe absorption layer is etched to form a suede structure; the ZnTe: Ag: Cu back contact layer is deposited on the CdTe absorption layer; the ITO or metal back electrode layer is deposited on the back contact layer; the VO2 cadmium telluride composite intelligent power generation glass is divided into sub-cell units through laser etching. Based on the working principle of a CdTe solar cell and the application of a VO2 material, the technical bottleneck of the photovoltaic glass in the fields of dynamic dimming and high-temperature efficiency maintenance is solved through the intelligent phase change of the VO2 nanodot array and CdTe energy band engineering, and a standardized solution is provided for a next-generation intelligent photovoltaic device.

The present application belongs to the field of mechanical design, and particularly relates to a method for extracting a center line of a rod body based on internal point array information of a three-dimensional model. The method comprises the following steps: S1, extracting an outer surface and a bounding box information of a rod body model with a cross-sectional radius R of the rod body; S2, generating an initial point array in the bounding box; S3, extracting a point inside the rod body model and a nearest point of the point to the outer surface of the rod body model; S4, calculating coordinates of a center O of a rod body cross section corresponding to each point in a point array sub-set extracted in step S3; and S5, performing curve fitting on all points O to obtain a center line of the rod body model. The present application can realize fast extraction of a center line of a non-straight rod body three-dimensional model, and is particularly suitable for application in a rod body design environment with a relatively complex shape.

The utility model discloses a loudspeaker digital beam array module, and belongs to the technical field of loudspeakers. The loudspeaker comprises a plurality of loudspeaker digital wave beam dot matrix modules which are arranged in an array along the long axis and the short axis of the loudspeaker digital wave beam dot matrix modules; each loudspeaker digital beam dot matrix module at least comprises a sound post; the top and the bottom of the sound post are respectively provided with at least three grooves, and the side wall of the sound post is provided with hole sites matched with the grooves; the plug-in assembly is arranged in the groove, and the connecting assembly is connected with the loudspeaker digital beam dot matrix modules which are arranged in an array mode. The loudspeaker digital beam dot matrix modules are arranged in the long axis direction and the short axis direction in an array mode, and therefore multi-dimensional sound coverage and directivity control can be achieved. And the plug-in component and the connecting component improve the flexibility and expandability of the device. The connecting strips are arranged in an array mode in the short-axis direction, and stability and firmness in the short-axis direction are guaranteed.

The application discloses a kind of based on lateral light guide and spatial perception neural network's visual haptics deformation reconstruction device and its reconstruction method, reconstruction device includes: micro camera;Sleeve is configured to be covered outside micro camera, multiple mounting holes are formed on the barrel wall of sleeve;Light guide plate has reflecting surface;Elastic component has reflective layer;Multiple optical fibers are located in corresponding mounting hole;The light emitted by optical fiber is reflected to elastic component by reflecting surface, and irradiates reflective layer;When elastic component contacts target, reflective layer is deformed, micro camera is configured to take pictures to reflective layer and obtain haptic image, so as to determine the haptic information of target according to haptic image.Multiple optical fibers emit axial light under the action of light guide plate to form multiple lateral light, that is, annular discrete dot array light source is formed, the uniformity of light in elastic component is improved, so as to facilitate to improve the accuracy of three-dimensional deformation reconstruction.