93results about How to "Increase reflection" patented technology

The invention provides a plant disease feature extraction and classification method and system based on deep learning, and relates to the technical field of plant disease identification, and the method comprises the steps: mining the interdependence rule of different disease features through constructing a disease feature symbiosis wake-up network, and setting wake-up conditions; inputting a to-be-analyzed plant disease image into the network, capturing initial disease features, triggering associated feature wakeup, and generating a disease feature symbiotic set; conducting the characteristic information according to the hierarchical relationship to generate enhanced symbiotic disease characteristics; recording morphological change details to construct a disease characteristic evolution sequence; and inputting the disease characteristic evolution sequence into a pre-trained deep learning classification model, analyzing disease essential characteristics, and generating a classification result containing a disease type and a matching basis. The method can comprehensively and accurately extract features, and improves the accuracy and reliability of plant disease classification.

A device for measuring in-situ drilling rock hardness based on a high-pressure water pressure head comprises a hydraulic power system, a data acquisition system, a test probe and a push rod, the front end of the push rod is connected with the rear end of the test probe; the hydraulic power system comprises a manual hydraulic plunger pump; the manual hydraulic plunger pump is connected with the test probe through a reversing three-way valve; the data acquisition system comprises a data recorder, a displacement sensor and a pressure sensor, the displacement sensor and the pressure sensor are arranged on the manual hydraulic plunger pump, and the displacement sensor and the pressure sensor are connected with the data recorder through a signal receiver. The device is simple in structure, convenient to operate and capable of measuring the rock strength of different drill holes, different depths and different point positions so as to obtain the distribution condition of the roadway rock strength, the measuring result is close to the on-site rock mass, a water medium is used for pressure transmission, the measuring process is simple, convenient, environment-friendly and safe, errors in the processes of sampling, processing and the like are avoided, and the working efficiency is improved. And the measurement cost is reduced.

This invention provides an infrared thermal imaging method, relating to the field of infrared thermal imaging technology. The method utilizes a germanium infrared lens in an infrared thermal imaging system, whose surface is sequentially composed of subwavelength micro / nano structures and an anti-reflection film structure from the inside out. The infrared thermal imaging method includes: focusing target infrared radiation through the germanium infrared lens onto an infrared detection array; the infrared detection array converting the target infrared radiation into an electrical signal matrix; performing noise reduction and gain correction on the electrical signal matrix to obtain a preprocessed electrical signal matrix; performing temperature compensation on the preprocessed electrical signal matrix based on a temperature compensation formula and a transmittance temperature model to obtain a corrected signal matrix; and sequentially performing non-uniformity correction, image enhancement, and pseudo-color mapping on the corrected signal matrix before outputting and displaying the result. Using the method of this invention, higher transmittance, lower reflection loss, and more stable thermal imaging can be achieved.

An electrochromic structure with self-powered operation comprises: a photoelectric element having a first glass substrate, a solar power generation structure, and a second glass substrate; a reflective film structure having a glass substrate, an auxiliary layer, and a reflective layer, wherein the reflective film structure is bonded to the photoelectric element with a first resin; and an electrochromic element having a first transparent conductive glass layer, a first electrochromic layer, an electrolyte layer, a second electrochromic layer, and a second transparent conductive glass layer, wherein the electrochromic element is disposed on the reflective film structure and stacked with a second resin to form the electrochromic structure, and the electrochromic element is electrically connected to the photoelectric element. Therefore, the electrochromic structure can be self-powered, improves power generation efficiency, reduces the use of substrate glass, and lowers production costs.

This invention discloses a black-based blue-spotted glaze with an earthworm-like pattern and its preparation method. The glaze consists of a body, a black base glaze, and a blue-spotted glaze from the inside out. The raw materials for the black base glaze are: feldspar, calcite, calcium borate, dolomite, talc, barium carbonate, quartz, bentonite, zirconium silicate, rutile, cobalt oxide, manganese oxide, and iron oxide. The raw materials for the blue-spotted glaze are: feldspar, limestone, alumina, talc, barium sulfate, Datong clay, zinc oxide, quartz, and titanium dioxide. The preparation method includes: 1. Wet ball milling the black base glaze raw materials to obtain a black base glaze slurry; 2. Wet ball milling the blue-spotted glaze raw materials to obtain a blue-spotted glaze slurry; 3. Bisque firing the body; 4. Applying the black base glaze slurry to the body and drying it; 5. Applying the blue-spotted glaze slurry to the body and drying it; 6. Oxidation firing and reduction firing of the body, followed by natural cooling to obtain the black-based blue-spotted glaze. The raw material formula of this invention is reasonable and environmentally friendly, which can improve the mechanical properties of the glaze; the preparation method is simple and the yield is high.

The present application belongs to the field of radiation cooling material design, and relates to a high-radiation cooling performance composite fiber membrane PVDF-HFP / PDMS and a preparation method thereof, characterized by preparing a composite fiber membrane with uniform single nanofiber and excellent radiation cooling effect by using a mixed solution of polyvinylidene fluoride-hexafluoropropylene (PVDF-HFP) and polydimethylsiloxane (PDMS). The preparation method has the advantages of simple preparation method, environmental friendliness, large-size preparation, easy scaling, etc., and makes up for the problems of the existing radiation cooling materials, such as insufficient daytime cooling effect, hydrophobicity, poor flexibility, insufficient tensile resistance and the like.

The invention provides a red-light nitride epitaxial wafer, a preparation method thereof and a Micro-LED. The red-light nitride epitaxial wafer comprises a sapphire substrate, an insertion structure, an n-type nitride pattern structure layer, a light-emitting layer and a p-type metal nitride layer, the insertion structure penetrates through the n-type nitride pattern structure layer, the light-emitting layer and part of the p-type metal nitride layer and comprises a composite Si nano-column and a composite regulation and control layer, and the composite Si nano-column comprises a Si nano-column and a semi-ellipsoid structure; the composite regulation and control layer comprises a protection layer and a buffer layer, the protection layer is arranged on the outer wall of the Si nano-column, and the buffer layer is arranged on the area between the adjacent composite Si nano-columns; and an n-type nitride pattern structure layer, a light-emitting layer and a p-type metal nitride layer are laminated on the buffer layer between the adjacent composite Si nano columns. The In component merging and uniformity can be improved, the light-emitting efficiency and brightness of the Micro-LED are improved, the half-peak width of the light-emitting wavelength is reduced, and the color purity of display application is improved.

The purpose of this disclosure is to provide a polarization-sensitive optical coherence tomography apparatus capable of obtaining tomographic images that better reflect the polarization characteristics of a sample. This disclosure is a polarization-sensitive optical coherence tomography apparatus that obtains a signal representing the polarization characteristics of the sample from the interference light between the reflected light of a measurement light illuminating the sample and a reference light used for reference. The apparatus includes two collimators for the reference light arranged opposite each other on the optical path of the reference light, and the optical path length of the reference light is adjusted using these collimators.

An image processing apparatus and air conditioner include: an acquisition unit configured to acquire low-light and infrared images; and a processing unit comprising: a low-light image enhancement algorithm model, which includes: a gradient reconstruction module comprising: a frequency domain processing branch configured to transform the gradient map of the low-light image from the spatial domain to the frequency domain to extract the phase spectrum and amplitude spectrum; and a spatial domain processing branch configured to fuse the gradient map of the low-light image with the infrared image in the channel dimension; the gradient reconstruction module adds the residual of the spatial domain processing branch to the amplitude spectrum to obtain an enhanced amplitude spectrum; an amplitude-enhanced gradient map of the low-light image is obtained through an inverse Fourier transform between the enhanced amplitude spectrum and the original phase spectrum; and an enhanced visible light image is generated through an encoder-decoder architecture based on the gradient features of the amplitude-enhanced gradient map of the low-light image and the image features of the low-light image; this application has high accuracy and is suitable for use in smart home appliances.

This invention discloses an end-face coated crystal optical element for a laser resonator and its fabrication method, belonging to the field of optical element fabrication. It includes an optical crystal, a high-reflectivity film disposed on one end face of the optical crystal, and a partially transmissive film disposed on the other end face. The high-reflectivity film sequentially includes Y-coatings along the end face of the optical crystal outwards. b F3 First Floor, H f O2 first layer, Y b F3 Second Layer, H f O2 second layer...Y b F3, Q layer, H f O2, Q layer. This invention utilizes Y... b 3+ Sensitization improves pump absorption efficiency and through Y b To E r Energy transfer effectively alleviates high-doped E r The self-termination effect in YAG lasers enables high efficiency and high energy output of 2940nm lasers, making them suitable for fields such as medical aesthetics and precision machining.

The utility model discloses a motor electromagnetic force measuring device concretely relates to motor electromagnetic force measuring technical field, including work table, the work table top is equipped with the detection piece for measuring motor electromagnetic force, and detection piece shifts up and down through drive piece, the detection piece outside is equipped with the auxiliary part for reinforcing the measurement accuracy, the auxiliary part includes the pure copper bellows of being equipped at the work table top, and the pure copper bellows top end and bottom respectively install the link ring and fixed ring. The utility model discloses through the elasticity of pure copper bellows, so that pure copper bellows can always be fitted in the motor outside, and then it is convenient to by pure copper bellows to the electromagnetic interference of external environment carries out reflection and absorption, so it can ensure that the measurement data is more accurate, and by the guidance of two first telescopic rods of inside and outside setting, can avoid the pure copper bellows to appear skew and distortion situation, thereby guarantee the service performance of pure copper bellows.

This invention relates to a thermally insulating and high-pressure resistant polypropylene material, comprising the following components in parts by weight: polypropylene resin, hollow glass fiber, modified nano-ATO, hollow glass microspheres, antioxidant, latex powder, nucleating agent, and lubricant; wherein the modified nano-ATO is a product obtained by coupling nano-ATO with MPS and then copolymerizing it with octadecene and acrylate. Because the modified nano-ATO introduces long alkyl chains of octadecene, which are similar in polarity to polypropylene, the two molecules are more tightly packed through intermolecular forces and entanglement between molecular chain segments. The modified nano-ATO contains ester groups and other oxygen-containing groups that form hydrogen bonds with the hydroxyl groups on the surface of the hollow glass fiber, resulting in strong interactions between the nano-ATO and both the polypropylene matrix and the hollow glass fiber. This gives the modified nano-ATO excellent compatibility and stability with other components, significantly improving the pressure resistance and other mechanical properties of the polypropylene material.

The application is a medical image segmentation method based on multi-modal self-supervision. First, the multi-modal medical image of the lesion tissue is obtained, including A-mode image and B-mode image, and the image is preprocessed. Then, a cycle-consistent modal contrast domain translation network is constructed, including two generators and two discriminators. The generator is used to convert the image of one mode into the image of another mode, including an encoder, an intermediate shared module and a decoder. The discriminator is used to judge the source of the input. Then, the cycle-consistent modal contrast domain translation network is pre-trained, the training loss is calculated, and the loss function includes multi-modal semantic consistency loss, adversarial loss, cross-domain translation loss and cycle consistency loss. Finally, the A-mode segmentation network and the B-mode segmentation network are constructed, the pre-trained weights are migrated to the two segmentation networks, and the trained two segmentation networks are respectively used for medical image segmentation of the corresponding mode. The contrast cross-domain translation is used as a multi-modal self-supervised pre-training task to learn more comprehensive modal features, promote the network to better learn modal characteristics and common knowledge, and improve the segmentation ability.

This invention relates to the field of soil monitoring technology, specifically to a method, equipment, and system for determining the physicochemical properties of terraced soil. The method involves acquiring spectral data from various monitoring points in the terraced fields at different times and in both in-situ and experimental environments. Given the spatial heterogeneity of the physicochemical properties of terraced soils, the method analyzes the intensity differences and similarities of spectral peaks at different monitoring points under each environment, determining similarity indicators and clustering them to obtain clusters. Since soil nutrient changes are reflected in the spectral data, the method analyzes the fluctuation characteristics of spectral peak differences at different times within each cluster under each environment to determine soil nutrient fluctuation indicators. Because the experimental environment is relatively controllable, a target straight line is fitted based on the experimental data as a reference for in-situ spectral correction. Finally, by combining the differences and numerical characteristics of soil nutrient fluctuation indicators at monitoring points within the clusters under in-situ conditions, in-situ environmental parameters, in-situ spectra, and the target straight line, the in-situ spectrum is corrected, thereby improving the accuracy of soil nutrient element determination.

The present application relates to the technical field of soil parameter remote sensing estimation, and particularly relates to a microwave soil equivalent temperature physical estimation method considering thermal sampling depth, comprising: obtaining soil temperature and humidity profile, surface temperature and soil texture data; combining dielectric constant model to calculate attenuation coefficients at different depths; determining thermal sampling depth based on the attenuation coefficients and dividing into multiple discrete layers; calculating average temperature using top and bottom temperatures of each layer according to soil heat conduction characteristics; calculating contribution weight of each layer to equivalent temperature based on attenuation coefficients and thickness of each layer; and obtaining microwave soil equivalent temperature by weighted sum of average temperature and weight of each layer. The present application has clear physical meaning, high estimation precision and is suitable for multiple frequencies, and overcomes the problem of limited precision or unclear physical meaning in the prior art.

The utility model provides a kind of micro-nano ozone oxidation wastewater treatment device, it is related to wastewater treatment technical field, including cabinet, the two sides inner wall of cabinet are uniformly connected with two trapezoidal long plate, the top inner wall of cabinet and the bottom of trapezoidal long plate are equally spaced and installed with ultraviolet lamp, the two side walls of cabinet and located above trapezoidal long plate are all equipped with square hole, the side wall of cabinet and located at square hole are all fixedly connected with ring plate.The utility model in the present application, liquid pump drives wastewater circulation, reciprocating flow in cabinet by liquid suction pipe and liquid outlet pipe, cooperate trapezoidal long plate guide, wastewater spreads on the plate and flows, ultraviolet lamp irradiates from top, plate bottom multidimensional, covers deep layer wastewater, oxidation of refractory substance is more thorough, reflector enhances ultraviolet reflection, driving motor, fan blade accelerates gas-liquid exchange, ozone and wastewater are fully integrated, micro-nano bubble expands reaction interface, improves oxidation efficiency, and COD / TOC removal rate is significantly improved.

The invention relates to a preparation method of a composite material box body with an inner boss, in particular to a preparation method of a SiC / SiBCN ceramic matrix composite material box body with an inner boss. In order to overcome the defects that in the prior art, the preparation process of a composite box body with an inner boss is complex, holes are formed in areas with different thicknesses, and hole filling fiber bundles are prone to deformation and dislocation after being pressed, so that the structure is unstable. The preparation method of the SiC / SiBCN ceramic matrix composite box with the inner boss sequentially comprises the steps of SiC fiber prefabricated body preparation, high-temperature treatment, boron nitride interface layer preparation, Si3N4 matrix deposition, SiBCN matrix preparation, Si3N4 matrix deposition and the like, the SiC fiber prefabricated body is prepared from a U-shaped prefabricated body, a concentric-square-shaped prefabricated body and an exterior prefabricated body, and the stability of the mounting boss is improved.

This invention belongs to the field of building materials technology and relates to a radiation-cooled paving brick and its preparation method. The radiation-cooled paving brick comprises, from bottom to top, a base layer, a functional layer, and a surface layer. The functional layer comprises, by weight, the following raw material components: 20-50 parts cement-based binder, 20-50 parts radiation-cooling functional filler, 0-30 parts aggregate, 0.5-2.5 parts admixture, and 0.1-0.5 parts reinforcing fiber. Both the functional layer and the base layer of this invention are cement-based materials, resulting in strong bonding. Through the synergistic effect of the functional filler in the functional layer and the cement hydration products with radiation-cooling function, and with the surface coated with an inorganic nano-high-hardness self-cleaning surface layer, a highly efficient and long-lasting radiation-cooling effect can be achieved.

The invention relates to a non-expansive refractory coating and a preparation method thereof, the non-expansive refractory coating comprises a component A and a component B. The component A comprises, by mass, 15-25% of high-alumina cement, 8-12% of refractory soil, 5-10% of glass powder, 5-15% of aluminum hydroxide, 5-10% of hollow glass beads, 2-5% of silica fume, 3-5% of an ethyl cellulose composite system, and the balance modified vitrified microbeads; the component B comprises 10-20% of lithium silicate, 5-10% of an acrylic emulsion, 5-15% of a pure acrylic emulsion, 0.1-0.3% of a water reducing agent, 1-2% of a wetting agent, 1-3% of a coalescing agent and the balance of water; the modified glass beads comprise titanium dioxide composite glass beads, tetrabutyl titanate and silver. The coating has the effect of improving the fire resistance of the coating.

This utility model relates to the field of reflective film technology, specifically to a high weather-resistant reflective film for use in a lidar rotating mirror. It includes a Cr film layer for deposition on the rotating mirror, upon which a first Y₂O₃ film layer, an Ag film layer, a second Y₂O₃ film layer, a first SiO₂ film layer, a first TiO₂ film layer, a second SiO₂ film layer, a second TiO₂ film layer, a third SiO₂ film layer, and an anti-fingerprint (AF) film layer are sequentially deposited. This utility model has a simple structure, ultra-high reflectivity and high corrosion resistance, achieving a reflectivity of >99% at 905nm wavelength, and passing a 120-hour accelerated aging test under constant humidity and heat (85℃, 85%RH).

The application discloses a kind of flame-retardant bacteriostatic wave-absorbing PET fibers and preparation method thereof, the fiber includes fiber body and is arranged on the bacteriostatic wave-absorbing layer of fiber body surface, fiber body is skin-core composite structure, from inside to outside includes core layer and flame-retardant wave-absorbing barrier layer in sequence;Flame-retardant wave-absorbing barrier layer is the raw material of flame-retardant wave-absorbing mixture, includes the following components by weight parts:PET polyester chip 100, flame retardant 9-15, flame-retardant wave-absorbing particle 22-40, compatible agent 1.5-4.The bacteriostatic wave-absorbing layer in the application can provide excellent electromagnetic wave absorption capacity through the bacteriostatic wave-absorbing particle therein, can realize effective protection to electromagnetic pollution, and also can provide excellent antibacterial performance through active oxygen generated under light and / or electromagnetic wave irradiation.Flame-retardant wave-absorbing barrier layer can provide good reflection and absorption electromagnetic wave capacity in addition to being able to improve flame-retardant performance through the flame-retardant wave-absorbing particle therein.

The utility model discloses a nanometer gold brucellosis detection device, including the protection box, still including the first groove body and detection component, the first groove body is passed through and is set to the left end of protection box, and the storage box is slidably arranged to the inner wall of first groove body, and the bottom of storage box inner wall is slidably arranged with two clamping plates, and the spring is fixedly connected between the clamping plate and the inner wall of storage box, and the detection box is arranged between the two clamping plates, and the top of protection box inner wall is fixedly connected with two symmetrical ultraviolet disinfection lamp, and the inner wall of protection box is provided with the light reflection coating, and the detection component is arranged in the detection box, the utility model discloses by pulling two clamping plates outward, detection box is put into the clamping plate between, and the spring pushes the clamping plate and clamps the detection box, and then storage box is pushed into the protection box, avoids the interference of external factor to the detection result, and the inside of protection box is disinfected through the opening ultraviolet disinfection lamp, and the reflection of ultraviolet is enhanced by light reflection coating, and the disinfection effect is improved, and the influence of the residual bacteria on the next detection result is avoided.

The invention relates to the technical field of bridge detection, and discloses bridge construction displacement detection equipment which comprises a cross beam, a main beam is fixed to the tops of the two ends of the cross beam, first reflection targets are fixed to the bottoms of the two sides of the main beam, a mounting plate is fixed to the surface of the cross beam, and an indicator plate is fixed to the bottom of the mounting plate. According to the bridge construction displacement detection equipment, the first laser transmitter corresponds to the first reflection target, the displacement deviation between the main beam and the cross beam in the length direction is detected, the second laser generator corresponds to the second reflection target, the displacement deviation between the main beam and the cross beam in the width direction is detected, and the displacement deviation between the main beam and the cross beam in the length direction is detected. The main beam can be accurately hung on the top of the cross beam due to the displacement deviation between the main beam and the cross beam, then the accuracy of main beam installation is improved, meanwhile, after installation is completed, the installation plate and the installation frame can be conveniently disassembled, and then the convenience of disassembling detection equipment during construction is reduced.

The application relates to a target feature-based analysis method, system and device for predicting mutation pathogenicity. The method comprises the following steps: obtaining a mutation of a gene to be predicted; mapping the mutation of the gene to be predicted to a protein structure of the gene to be predicted to obtain a protein structure with the mutation mapped; extracting features of the protein structure with the mutation to obtain mutation protein structure features; selecting the mutation protein structure features to obtain a feature selection result; and inputting the feature selection result into a classification prediction model to obtain a classification result of the mutation being a pathogenic mutation or a benign mutation. The method aims to predict mutations based on target features in mutation protein structure features, and to explore high prediction capability and potential application value of the mutation pathogenicity.

The utility model discloses a kind of muffler and compressor, it is related to compressor technical field, wherein, compressor includes bearing, bearing is equipped with air inlet hole, muffler includes shell and partition piece;Shell is sleeved in bearing;Partition piece is located in shell, for the inner chamber of shell is separated into first sound attenuation chamber, second sound attenuation chamber and third sound attenuation chamber, first sound attenuation chamber is communicated with air inlet hole, second sound attenuation chamber is communicated with first sound attenuation chamber and third sound attenuation chamber respectively, second sound attenuation chamber and third sound attenuation chamber are located in the side of first sound attenuation chamber away from bearing, second sound attenuation chamber is located in the periphery of third sound attenuation chamber, shell is equipped with the air outlet hole communicated with third sound attenuation chamber;The technical scheme provided by the utility model can solve the problem that traditional double-layer muffler is difficult to meet the requirement of high sound attenuation volume, cannot effectively reduce compressor frequency band noise.

The application relates to a temperature-sensitive adjustable heat rectification porous material and a preparation method thereof, and belongs to the technical field of functional materials and thermal management materials. The temperature-sensitive adjustable heat rectification porous material comprises an asymmetric porous polymer skeleton and a temperature-sensitive polymer network embedded in the interior of the polymer skeleton, wherein the asymmetric porous polymer skeleton has a pore size difference in the thickness direction, one side of the asymmetric porous polymer skeleton is a small-pore structure, and the other side is a large-pore structure. The temperature-sensitive polymer network is introduced into the asymmetric porous polymer skeleton, so that the heat rectification is changed from a static behavior to a dynamic adjustable behavior. Under a low-temperature condition, the temperature-sensitive polymer absorbs water to expand, the pore size of the large-pore side is reduced, the pore size difference is reduced, and the heat rectification ratio is reduced; under a high-temperature condition, the temperature-sensitive polymer is dehydrated to shrink, the pore size of the large-pore side is increased, the pore size difference is increased, and the heat rectification ratio is increased. Through the mechanism, the heat rectification ratio can be adjusted and changed in the range of 25-40 DEG C, and the heat regulation capacity is remarkably improved.

The utility model relates to the technical field of solar light and heat power generation discloses a solar heliostat. The solar heliostat includes: first sub mirror, the distribution of at least two second sub mirrors around the first sub mirror week side, support frame, stand and tracking mechanism, the axis of stand is perpendicular to ground, support frame is located at the top of stand, tracking mechanism is used for driving support frame action, first sub mirror and second sub mirror are located at the side of support frame away from the stand, first sub mirror and support frame fixed connection, every second sub mirror is connected with support frame rotation to the edge part of first sub mirror, the rotation axis of second sub mirror is perpendicular to the arrangement direction of itself and first sub mirror, and is parallel to the mirror surface of first sub mirror, and the part of second sub mirror away from first sub mirror is equipped with support part, and support frame is connected with support part through an adjusting part. The solar heliostat can realize the fast adjustment focal length, and the positioning accuracy is higher, and it is favorable for improving the focusing accuracy of heliostat.

This application relates to the field of textile fabrics, disclosing a three-dimensional anti-permeability fabric and its preparation process. The three-dimensional anti-permeability fabric includes a first woven layer and several second woven layers. The second woven layers are formed by weaving core-spun yarn onto the first woven layer using a weaving process. The edges of the second woven layers are formed by cutting and high-temperature setting of the core-spun yarn to create a three-dimensional plush structure. The core yarn of the core-spun yarn is made by twisting several high-melting-point yarns and at least one glass fiber yarn together, while the covering yarn is a low-melting-point yarn. The three-dimensional anti-permeability fabric obtained by this application, after cutting and high-temperature setting of the core-spun yarn at the edges of the second woven layers, shrinks the core-spun yarn to form a spiral shape, creating a three-dimensional plush structure at the edges of the second woven layer. Under the synergistic support of the core yarn and the shrunk covering yarn, a stable three-dimensional anti-permeability fabric is formed. It is not easily deformed during long-term wear and washing, maintaining good softness, three-dimensionality, and anti-permeability.

The invention relates to a Latin hypercube generation scene generation method considering meteorological factors. The method comprises the following steps: screening key meteorological factors influencing photovoltaic output based on Spearman correlation coefficients; generating a scene set through a Latin hypercube generation scene generation method combining meteorological factors and an extreme learning machine; the evaluation basis for improving the effectiveness of the scene generation method is set from the perspective of whether the scene set can stably and reliably describe the actual photovoltaic output. The method can reflect the photovoltaic output characteristics more accurately and reliably.