264results about How to "Great potential" patented technology

The invention discloses a preparation method of a chitosan-sodium alginate-diatomite composite adsorbent. The preparation method comprises the following steps: (1) carrying out calcination pretreatment on diatomite; (2) dissolving sodium alginate powder in water; (3) adding the calcined diatomite into a sodium alginate solution to prepare a mixed solution a; (4) adding CaCl2 into an acetic acid solution for dissolving; (5) adding chitosan powder into a CaCl2 solution, and uniformly stirring to obtain a mixed solution b; (6) dropwise adding the mixed solution a into the mixed solution b for crosslinking to prepare SA / DM / CS composite gel balls; and (7) washing the gel balls with water for several times, repeatedly freezing and thawing for several times, and drying to obtain the composite adsorbent. The composite adsorbent is prepared by dropwise adding the sodium alginate solution containing the calcined diatomite into the mixed solution of the chitosan and the CaCl2, so that the problem of low mechanical strength of single sodium alginate hydrogel is solved, and the recycling stability of the hydrogel microsphere adsorbent is improved.

The invention belongs to the technical field of biomedical high-molecular polymer materials, and discloses a pH and temperature dual-response lignin-based amphiphilic polymer and micelle as well as a preparation method and an application of the pH and temperature dual-response lignin-based amphiphilic polymer and micelle. The preparation method of the polymer comprises the following steps: purifying the alkali lignin, preparing a macroinitiator AL-Br based on the alkali lignin, and then preparing the lignin-based amphiphilic polymer with double responses of pH and temperature. The polymerization process is controllable, and the usage amount of copper is lower than 500 ppm. The lignin polymer disclosed by the invention can be self-assembled into nano-scale micelles in a water medium, the structure is stable, and AgNPs and an entrapped hydrophobic anticancer drug CPT can be simultaneously prepared in situ. The obtained single nano-carrier system has good silver nanoparticle stabilizing capacity, in-vitro pH and temperature double-response drug release capacity and excellent cytotoxicity and antibacterial capacity, can achieve the anti-tumor and antibacterial purposes at the same time, and is well applied to preparation of drugs with anti-tumor and antibacterial effects at the same time.

The invention discloses a two-stage potential diffusion model underwater image enhancement method based on a frequency domain. The method comprises the following steps: inputting a degraded image and ambient light estimated according to the degraded image into a lightweight underwater image enhancement model to obtain a preliminary recovery image; inputting the preliminary recovery image into a high and low frequency feature pyramid encoder to obtain a potential spatial feature map set and an intermediate feature map set, and inputting the potential spatial feature map set and the intermediate feature map set into a high and low frequency prior extraction module to obtain high and low frequency images and high and low frequency image prior; inputting the low-frequency guidance priori and the potential spatial feature map set of the low-frequency image into a low-frequency guidance condition module to generate a priori guidance condition, and sending the priori guidance condition into a potential diffusion model to obtain a reconstructed potential spatial feature map set; and inputting the reconstructed potential spatial feature map set, the intermediate feature map set and the high and low frequency images into a high and low frequency feature pyramid decoder in prior to obtain an enhanced image. And improving the performance of the potential diffusion model and recovering a high-quality underwater image by using high and low frequency information priori knowledge of the underwater image.

The invention discloses pediococcus acidilactici JW-015 as well as a selenium-rich microbial inoculum and application thereof, and belongs to the technical field of biology. According to the invention, a strain of pediococcus JW-015 which not only can be enriched with inorganic selenium, but also has oxidation resistance and ethanol tolerance is screened out, and the pediococcus JW-015 has huge potential and application value in the aspect of developing hangover-alleviating related probiotic health-care foods and medicines.

The invention relates to the technical field of polymer electrolyte, in particular to a perfluoropolyether-terminated single-ion polymer, a preparation method and application thereof, and a battery comprising the single-ion polymer. A scheme for synthesizing a brand new polymer is adopted, a perfluoropolyether-terminated single-ion polymer is provided, the key point is focused on PEO-based electrolyte window voltage, lithium ion transference number and inhibition of PEO-based electrolyte lithium metal battery negative electrode dendritic crystal growth, the polymer is blended with PEO through the design of the polymer, and the PEO-based electrolyte lithium metal battery negative electrode dendritic crystal growth is inhibited. Therefore, the performance of the PEO-based lithium metal battery is improved.

The invention provides an application of bakuchiol in preparation of a drug for resisting pseudomonas aeruginosa infection. A research result verifies that bakuchiol obviously inhibits gene expression related to a PQS quorum sensing system of the pseudomonas aeruginosa under the condition that normal growth of the pseudomonas aeruginosa is not hindered. Further analysis shows that the action mechanism of the bakuchiol definitely points to a transcriptional activator PqsR of a PQS quorum sensing system, in addition, the bakuchiol remarkably reduces the athletic ability of pseudomonas aeruginosa in an experiment, remarkably reduces gene expression related to a virulence factor, and has a significant effect in infection models of plants and animals. The bakuchiol shows the effect of remarkably weakening the toxicity of the pseudomonas aeruginosa on the Chinese cabbage and the caenorhabditis elegans.

The invention discloses a long-acting polypeptide analogue and application thereof, the polypeptide analogue can act on a GLP-1 receptor, a GIP receptor and a Y2 receptor at the same time, and can play the biological activities of GLP-1, GIP and PYY3-36 at the same time; the PYY3-36 GLP-1 has the treatment effect of GLP-1 on diabetes mellitus, also has the beneficial effect of GIP on glucose and lipid metabolism and appetite inhibition, and also has the beneficial effect of PYY3-36 on appetite inhibition, so that the PYY3-36 GLP-1 has a synergistic effect on glucose, lipid and energy metabolism; the application of the compound in preparation of drugs for treating metabolic syndromes, such as diabetes, obesity and dyslipidemia, has greater potential in preparation of drugs for treating diseases such as diabetes, obesity and dyslipidemia.

The invention discloses a fault diagnosis method based on time sequence characteristic linear modulation intelligent oversampling, and the method supplements the details of a high frequency band through the improvement of the signal sampling rate, and improves the fault diagnosis performance. The method comprises the steps of obtaining an original vibration signal; an original vibration signal is preprocessed, and a low-sampling-rate signal is obtained through down-sampling. And pairing the low-sampling-rate signal and the original vibration signal for intelligent super-sampling network training. And a super-sampling rate model is constructed, and prediction output of super-sampling rate signals is realized. And constructing a fault diagnosis model, and learning features of signal fault classification. And inputting the training set into a super-sampling rate fault diagnosis model to train the model. And inputting a vibration signal into the trained model to obtain an oversampling rate signal, and classifying the oversampling rate signal to obtain a health state type of the oversampling rate signal. The fault diagnosis model provided by the invention better solves the problem that the diagnosis performance is poor when facing low-sampling-rate signals, and meanwhile, the high-frequency information of the signals is relatively truly recovered.

The invention relates to the technical field of robots, in particular to a mechanical arm model prediction interaction control method based on a hysteresis force model, which comprises the following steps of: abstracting a hysteresis nonlinear phenomenon into a linear combination of a plurality of basic play operators by adopting end force modeling based on a PI (Proportional Integral) model, jointly superposing to form a description of the overall nonlinear behavior; the inverse model of the PI model is constructed in an analysis mode, the inverse model is also a PI model, the parameter of the inverse model is a function of the parameter of the original PI model, and the hysteresis characteristic of the inverse model can be determined by the relation, so that the hysteresis effect of the original PI model is effectively counteracted; and finally, a least square method is adopted as a parameter identification method, model parameters of the hysteresis characteristics of the system are accurately described, and more accurate output is obtained. According to the model prediction interaction control method, the adverse effect of the hysteresis effect on the performance of the control system is remarkably reduced, and greater potential and possibility are provided for application of the robot in the real world.

The invention discloses a dielectric and magnetic loss coupling type multi-frequency high-absorption composite wave-absorbing material. The chemical formula of the composite wave-absorbing material is (FeCoNiCraMn) x. (BaTiO3) y, the invention also discloses a preparation method of the composite wave-absorbing material, which comprises the following steps: step 1, mixing iron, cobalt, nickel, chromium and manganese, and carrying out suspension smelting, vacuum gas atomization and sieving to obtain high-entropy alloy spherical powder; secondly, the flaky high-entropy alloy is obtained after ball milling; thirdly, the flaky high-entropy alloy is naturally cooled and then dried; and fourthly, the dried flaky high-entropy alloy is mixed with barium titanate powder, and ball milling is carried out. According to the composite wave-absorbing material, the FeCoNiCrMn series high-entropy alloy provides magnetic loss capacity, barium titanate provides dielectric loss capacity, the synergistic effect of multiple loss mechanisms is achieved, and the composite wave-absorbing material is suitable for the technical field of wave-absorbing materials.

The invention provides a multi-engine collaborative robot simulation method and system according to the claim 1, and the system comprises the steps: developing a simulation management system based on a UE5 three-dimensional simulation engine, and achieving the effective management and display of various information and data in a simulation process; a high-precision map is developed, a laser radar and other sensors are simulated to realize scene data acquisition and interaction, and the authenticity and credibility of a simulation environment are optimized for practical application simulation; based on Vortex dynamics modeling software, through a VHLInterface data interaction mode, robot and scene interaction dynamics modeling is carried out, and a robot simulation result is obtained; based on FastDDS communication middleware, data communication between the UE5 and the ROS2 is established, an ROS2 message format is compatible, and a hardware-in-the-loop simulation test of the controller is carried out. The technical problems that a multivariate control algorithm and a fine dynamic model are difficult to consider, data interaction of a simulation system is difficult, complexity and cost of the simulation system are high, and reliability is low are solved.

The invention discloses a gas sensor for detecting dissolved gas in oil, an array of the gas sensor and a preparation method of the gas sensor. The gas sensor comprises a substrate, an interdigital electrode deposited on the surface of the substrate, and a p-n junction modified TMDCs gas sensitive material attached to the surface of the interdigital electrode, the p-n junction modified TMDCs gas sensitive material is a MoS2-WS2 heterostructure material, and the molar ratio of W to Mo in the MoS2-WS2 heterostructure material is (1.3: 1) to (1.7: 1). The MoS2-WS2 heterostructure is formed by adjusting the ion proportion of W and Mo, and the sensitivity and selectivity of the sensor to gas dissolved in oil are remarkably improved.

The invention provides a metal organic framework sodium ion battery positive electrode material Mn-PTO, a preparation method and application, and belongs to the technical field of battery development. According to the material, an organic ligand pyrene tetraketone with conjugate extension is selected, 2, 7-dicarboxyl-4, 5, 9, 10-pyrene tetraketone PTO-(COOH) 2 is synthesized through a series of reactions, and the material has four energy storage sites and can provide high specific capacity. The high reversible specific capacity of 160.1 mAh g < 1 > can be achieved under the current condition of 0.1 A g < 1 >; even under the current condition of 5A g < 1 >, the reversible specific capacity of 118.1 mAh g < 1 > can be realized after 7000 cycles. And stable circulation can be carried out for 10000 times under the high current of 10A g < 1 >. Therefore, the material has huge potential in the aspect of being used as a sodium-ion battery positive electrode.

The invention provides a nano enzyme, a preparation method and application thereof, and a glucose concentration detection method. The Ru / Co-N and Zn-CNCs nano-material is prepared by adopting a calcination method and a reduction method, the material can quickly catalyze the oxidation reaction of TMB in the presence of hydrogen peroxide, the cascade reaction colorimetric sensor for glucose detection is successfully constructed by combining with glucose oxidase, and the preparation method is simple and convenient to operate, economical and efficient; due to the synergistic effect generated by doping of Ru metal, the nano-enzyme has better catalytic activity, meanwhile, through combination with glucose oxidase, the system can achieve ultra-sensitive colorimetric detection of glucose, excellent stability and linear response characteristics are shown, and the detection accuracy is further improved. Through colorimetric detection, the method can sensitively detect glucose in a range of 10-2000 [mu] M, and the detection limit is as low as 0.61 [mu] M.

The invention discloses a method for predicting concentration dependence of nano-plastics on crop toxicity. The method comprises the following steps: S1, obtaining a crop sample polluted by nano-plastics, and carrying out sample treatment to obtain a prediction sample; s2, carrying out scanning electron microscope, laser confocal, Raman spectrum and Fourier infrared spectrum comprehensive experiments on the prediction sample at the same time, and collecting a scanning electron microscope spectrum, a laser confocal spectrum, a Raman spectrum and a Fourier infrared spectrum; s3, performing comprehensive operation based on the scanning electron microscope spectrum, the laser confocal spectrum, the Raman spectrum and the Fourier infrared spectrum to obtain a comprehensive spectrum; and S4, predicting the concentration dependence of the nano plastic on the crop toxicity based on machine learning and targeted metabonomics of the comprehensive spectrum. The invention further discloses a corresponding system, electronic equipment and a computer readable storage medium.

The invention discloses a bionic biped robot with variable rigidity joints and double-joint flexibility, which comprises a trunk, thighs, variable rigidity knee joints, shanks and feet, and the double-joint flexible part of each leg is driven by three elastic drivers connected in series; a front-side linear motor of the rigidity-variable knee joint is rotationally connected to a mounting frame at the lower end of the thigh, and an output shaft of the front-side linear motor is connected with one end of an L-shaped connecting piece; the rear-side linear motor is mounted on the mounting frame, an output shaft of the rear-side linear motor is sequentially sleeved with a rear-side shell, a rear-side spring and a front-side shell and then fixed to the output end connecting piece, and the two sides of the rear-side spring make contact with the rear-side shell and the output end connecting piece respectively; a rope is led out from the tail end of the front side shell, is wound on a rear side shaft and a knee joint shaft in sequence, penetrates through two pairs of rollers and is fixed on a knee joint output shaft; the rollers are installed at the other ends of the L-shaped connecting pieces, and the knee joint shaft is connected with the switching parts of the two L-shaped connecting pieces through bearings. The robot has good stability, flexibility and adaptability.

The invention belongs to the field of small molecule compound medicines, and relates to application of an APE1 inhibitor in preparation of a medicine for treating asthma. The invention provides a novel treatment strategy of asthma, discovers a new target APE1 for treating asthma, realizes an effective treatment effect on asthma by using an APE1 inhibitor C10 compound, can remarkably inhibit the inflammatory cell activity such as mast cells, eosinophilic granulocytes and lymphocytes of asthma, and can remarkably inhibit the inflammatory cell activity of mice lung pathology observation. The C10 compound disclosed by the invention has obvious relieving and relieving effects on lung pathological changes of asthma mice, so that the C10 compound can be clinically used for preventing or treating asthma, and has the industrial advantages of small molecular weight and simple synthesis process.

According to the two-dimensional lead-based perovskite PVDF piezoelectric-photoelectric composite film as well as the preparation method and the application thereof, (2-FBA) 2PbCl4 and PVDF are compounded, so that the content of a beta phase with a high piezoelectric constant in PVDF is effectively increased, the voltage output performance of a composite piezoelectric sensor is enhanced, meanwhile, the two-dimensional lead-based perovskite PVDF piezoelectric-photoelectric composite film has good performance in the photoelectric aspect, and the two-dimensional lead-based perovskite PVDF piezoelectric-photoelectric composite film has good application prospects. And a reliable scheme is provided for a piezoelectric-photoelectric self-powered device.

The invention provides a real-time flame and smoke detection method based on YOLOv8. The method comprises the following steps: S1, data acquisition: acquiring flame and smoke images in real time; s2, constructing a flame and smoke detection model: adding an ECA attention mechanism to the Backbone part of the YOLOv8 model, and adding a CBAM attention mechanism to the Head; s3, flame and smoke detection results are obtained, wherein the preprocessed to-be-detected flame and / or smoke images are input into a flame and smoke detection model, and the detection results are obtained; the detection result comprises a smoke value and a flame value. The detection method provided by the invention can ensure high accuracy and low false detection rate in fire detection in various scenes. Compared with an existing deep learning fire detection algorithm, the method can provide a more reliable detection effect when scenes with the background similar to the colors of flames and smoke and fire behaviors of different scales are processed.

The invention discloses a preparation method of oversized cubic calcium carbonate with controllable particle size, which comprises the following steps: adding a saccharide additive into a CaCl2 solution, and uniformly mixing to obtain a CaCl2 mixed solution; then placing the CaCl2 mixed solution in a carbonization tower, slowly adding Ca (OH) 2 as a pH regulator into the CaCl2 mixed solution, and preparing large cubic calcium carbonate at 25 DEG C by a carbonization method; by monitoring the reaction pH value, stopping introducing CO2 when the pH value is about 7, separating a product through suction filtration, and then drying to obtain the large cubic calcium carbonate. Large cubic calcium carbonate is prepared through a carbonization method, the large cubic calcium carbonate with different sizes is obtained by controlling the pH value of a reaction system, the maximum particle size can reach about 30 microns, and the monodispersity is good.

The invention relates to an inhibitor compound, and aims to provide an acetohydroxy acid synthase inhibitor, a preparation method thereof and application of the acetohydroxy acid synthase inhibitor as a herbicide. The structural formula of the compound is as shown in formula (I), and the compound specifically inhibits the activity of p-acetohydroxyacid synthetase or a mutant W574L thereof in plants. The invention further provides an application method of the compound as an agricultural chemical herbicide. The compound has good enzyme inhibition activity on wild acetohydroxyacid synthetase and / or a mutant W574L thereof, so that the compound can be used as an agricultural chemical herbicide for preventing and treating various weeds in the agricultural field; the herbicide can be used as pre-emergence and post-emergence herbicides, can be used for preventing and treating various field weeds, and has a special effect on preventing and treating worst weeds, namely moleplant seeds; the weeding composition has the characteristics of low dosage, excellent weeding activity, wide weed control spectrum, good conductivity, wide use window period, safety to rice and the like.

The invention discloses a lightweight remote sensing image small target detection method. Through a lightweight convolution module LFC, parameter quantity and calculation quantity required by convolution operation are reduced, and feature extraction and down-sampling are completed on the premise of limited calculation resources and storage space; a receptive field expansion module RFEB is adopted, a receptive field of a backbone network is expanded through multi-branch expansion convolution, local and global context information is fully utilized, and the problem of insufficient feature representation of small targets in a remote sensing image is solved; a hierarchical fusion attention module HFAB is utilized, and spatial attention and self-attention are gradually stacked, so that feature fusion from coarse granularity to fine granularity is realized, and feature representation of a small target is richer; according to the method provided by the invention, on the premise of keeping the target detection precision, the model parameter quantity and the calculation overhead are reduced, the calculation complexity is effectively reduced, and the feasibility of application of a target detection algorithm in edge calculation and real-time monitoring scenes is improved.

The invention relates to the technical field of sensor preparation and antibiotic detection, in particular to a preparation method of a dual-emission fluorescence sensor, a product and application of the dual-emission fluorescence sensor. The preparation method of the dual-emission fluorescence sensor comprises the following steps: dissolving 1, 3, 5-benzene tricarboxylic acid and melamine in an organic solvent to prepare a suspension; the suspension liquid is subjected to a first heating reaction and then mixed with zinc salt to be subjected to a second heating reaction, and Zn-MBTC is obtained; the preparation method comprises the following steps: dissolving Zn-MBTC and Ru (bpy) 3 < 2 + > in water, carrying out ultrasonic treatment and oscillation, and then washing, centrifuging and drying to obtain the dual-emission fluorescence sensor. The dual-emission fluorescence sensor prepared by the method has the advantages of high sensitivity and high detection speed when being used for detecting four tetracycline antibiotics, namely doxycycline, tetracycline, oxytetracycline and gold tetracycline, and the detection limit is as low as 0.013 mu mol / L.

The present invention discloses a method for repairing concrete cracks at low temperature, its application and a concrete crack repairing agent, which belongs to the technical field of on-site processing of building materials and repair of existing buildings. In the method for repairing concrete cracks at low temperature of this scheme, a repairing agent with a low-temperature early strength agent of a string-stool-type structure component is used. The low-temperature early strength agent of the string-stool-type structure component is obtained by first subjecting the string-stool-type structure main chain obtained by ring-opening polymerization to an alkali-catalyzed reaction to obtain an incompletely condensed string-stool-type structure, and then reacting with the monomers to substitution-catalysis-copolymerization and substitution-ATRP reaction. This scheme can reduce the viscosity of the repair material by adding a low-temperature early strength agent of a string-stool-type structure component to the repair material, improve its early strength, fast hardening and adaptability, and is particularly suitable for repairing concrete cracks in a low-temperature environment. The repair material has simple components and good compatibility with concrete at the crack, and can effectively solve the problems of poor adaptability, high viscosity and low strength of the repair material, and has broad prospects for promotion and application.

The invention belongs to the field of compound medicines, and relates to application of an APE1 inhibitor in preparation of a medicine for treating allergic rhinitis. The invention finds that the APE1 inhibitor can effectively relieve and treat the allergic rhinitis for the first time, a new target and a new way are provided for prevention and treatment of the allergic rhinitis, and the APE1 inhibitor C10 compound and a small molecule compound represented by the APE1 inhibitor C10 compound show an excellent effect in treatment of the allergic rhinitis.

The invention belongs to the technical field of metal material science, and particularly relates to a heterostructure plasticized magnesium-based composite material, a preparation method and application. A preparation method of a heterostructure plasticized magnesium-based composite material comprises the following steps that S1, AZ61 magnesium alloy powder, pure titanium carbide and stearic acid are mixed and subjected to low-speed and high-speed ball milling, mixed powder is obtained, and powder loading and cold pressing are conducted after the powder is cooled; and S2, the powder obtained after cold pressing in the S1 is subjected to a gradient heating exhaust vacuum hot pressing process, cooling is conducted, thermal deformation is conducted, and the heterostructure plasticized magnesium-based composite material is obtained. The plasticity of the prepared magnesium-based composite material is obviously improved, and the application potential of the magnesium-based composite material in the industrial field is expanded.

The invention relates to a polymer composite material with a self-repairing conductive function as well as a preparation method and application of the polymer composite material. Polymer raw materials comprise the following components: polymer polyol, diisocyanate, 2-aminomethyl furan, bismaleimide and conductive filler. The polymer composite material contains dynamic reversible covalent bonds, has self-repairing capability, can be used for 3D printing, and has conductivity. The limitation of a traditional material in specific application can be solved, huge potential and value can be shown in multiple fields such as the Internet of Things, smart home and wearable equipment, and powerful support is provided for intelligence and convenience of the human society.

The invention discloses silver-coated calcium carbonate multi-layer core-shell structure composite powder and a preparation method thereof.The preparation method comprises the steps that firstly, the surface of inner core calcium carbonate is coated with a layer of SiO2 through a sol-gel method, a CaCO3 at-SiO2 core-shell structure is formed, then Ag is loaded on CaCO3 at-SiO2 through a reduction method, and the core-shell structure composite powder with CaCO3 at-SiO2 at-Ag double-layer shell layers is formed. According to the method, silicon dioxide is ingeniously used as a middle layer, calcium carbonate and silver can be well combined together in the presence of silicon dioxide, and the problem that calcium carbonate cannot be coated with silver is solved. The method provided by the invention provides a new method for preparing a calcium carbonate core-shell structure, and also provides a new research thought for inorganic coating.

The invention belongs to the technical field of analysis and detection, and discloses a preparation method of an Eu-MOF based ratiometric fluorescence sensor and application of the Eu-MOF based ratiometric fluorescence sensor in portable detection of natamycin. The preparation method comprises the following steps: (1) dispersing 2, 5-dihydroxyterephthalic acid, pyromellitic acid and ZrCl4 in deionized water, then adding acetic acid, heating to react for a period of time, and then cooling to obtain a suspension; (2) transferring the obtained suspension into another reaction container, adding deionized water, continuously reacting, cooling after the reaction is completed, sequentially centrifuging with water, DMF (Dimethyl Formamide) and ethanol, and finally performing vacuum drying overnight to obtain an off-white solid UiO-66 (OH) 2 / (COOH) 2; and (3) dispersing EuCl3. 6H2O and the obtained UiO-66 (OH) 2 / (COOH) 2 in deionized water, carrying out heating reaction, cooling after the reaction is completed, centrifuging the obtained product, washing with water and ethanol, and finally, carrying out vacuum drying on the generated precipitate overnight to obtain an off-white solid Eu-coated UiO-66 (OH) 2 / (COOH) 2. The obtained Eu (at) UiO-66 (OH) 2 / (COOH) 2 has the advantages of high sensitivity, high selectivity, ratio fluorescence response and the like on NAT.

The invention discloses a low-power-consumption dynamic coverage optimization method and system based on a distributed intelligent metasurface. The system comprises three low-power-consumption 2-bit intelligent metasurfaces and control panels thereof, a binocular camera and a matched upper computer control system. According to the system, a binocular camera is adopted to capture image data in real time, a human body target in an image is recognized by using a deep learning-based target detection algorithm, and relative coordinates of the human body target in a three-dimensional space are calculated. According to coordinates of a grid cell where a target is located, a corresponding intelligent metasurface coding sequence optimized by a conditional sample mean value algorithm is indexed, and the intelligent metasurface coding sequence is converted into a voltage control signal of the intelligent metasurface through a control panel with an FPGA as a main controller chip; and the real-time dynamic enhancement of the distributed intelligent metasurface on the wireless signal coverage of the area where the target is located is realized. According to the system, the real-time positioning of the target user and the dynamic coverage optimization of the wireless signal are realized by utilizing a visual perception combined distributed coding optimization technology, and the signal receiving quality of the target user is ensured.