583 results about "Radiant energy" patented technology

Provided herein are various apparatuses and systems for providing edge heating of semiconductor wafers using optical means. Such systems may direct radiant energy towards the edge region of a semiconductor wafer.

The invention discloses a power generation efficiency optimization method for a floating photovoltaic power generation system. The method comprises the following steps: analyzing the motion response of a floating body in a marine environment, and determining the boundary condition of the floating body swinging under the action of waves; based on hydrodynamic analysis software AQWA, a hydrodynamic analysis model of the floating body is built, and the pitching angle of the floating body is verified; in combination with an inclined surface irradiance calculation model, an improved particle swarm algorithm is adopted for optimization, and the initial inclination angle of the photovoltaic panel when the photovoltaic panel receives solar radiation energy to the maximum extent is solved; in combination with different wave conditions of a certain sea area, simulation software is used for performing dynamic simulation on the floating body and the assembly, the influence of different environmental conditions on the power generation efficiency is analyzed, and the effectiveness of the scheme is verified. According to the method, the optimal initial angle is determined by optimizing the initial mounting inclination angle of the assembly, fully considering the movement condition of the floating body under the action of waves and combining the influence of different wave conditions, the radiation quantity received by the assembly is maximized, and the defects in the aspects of laying design, dynamic adaptability and power generation efficiency in the prior art are overcome.

The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of three-dimensional printing. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and a ductility agent. The fusing agent can include water and electromagnetic radiation absorber. The electromagnetic radiation absorber can absorb radiation energy and convert the radiation energy to heat. The ductility agent can include water, a water-soluble pore-generating compound that chemically reacts at an elevated temperature to generate a gas, and a plasticizer. The plasticizer can have formula (I) wherein n is an integer ranging from 3 to 8; or formula (II) wherein m is an integer ranging from 3 to 8.

The present disclosure describes multi-fluid kits for three-dimensional printing, materials kits for three-dimensional printing, and methods of making three-dimensional printed articles. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and a pore-promoting agent. The fusing agent can include water and a radiation absorber. The radiation absorber can absorb radiation energy and convert the radiation energy to heat. The pore-promoting agent can include water and a water-soluble pore-promoting compound. The pore-promoting compound can chemically react at an elevated temperature to generate a gas.

Apparatuses and methods for drying an object are provided. An apparatus for drying an object may include a first airflow channel that has an airflow inlet and an airflow outlet. The apparatus may also include one or more radiation energy sources configured to provide thermal radiation toward the object. The apparatus may also include an airflow generating element configured to provide an airflow by effecting the airflow into the first airflow channel through the airflow inlet and direct a first portion of the airflow in the first airflow channel toward the airflow outlet. The apparatus may further include an airflow guide assembly configured to provide a second airflow channel through which a second portion of the airflow in the first airflow channel is guided to a target region. The target region abuts at least one of the one or more radiation energy sources.

The invention relates to the technical field of new energy, in particular to an optimization method based on urban building group solar radiation energy utilization, and provides an optimization method integrating multiple factors by adopting the method provided by the invention, so that the solar energy utilization potential can be evaluated more comprehensively, and the solar energy utilization efficiency can be improved. The method comprises the following steps: firstly, comprehensively obtaining preprocessed CIM, BIM, GIS and other urban three-dimensional environment model data, accurately calculating a shielding angle and a shielding area so as to optimize an arrangement scheme of a solar panel, secondly, introducing a dynamic correction mechanism, updating a solar radiation model in real time, and combining meteorological data (such as cloud amount and atmospheric transmissivity) and seasonal green plant coverage change so as to optimize the arrangement scheme of the solar panel; an energy utilization scheme is dynamically optimized, the prediction precision and the solar energy utilization effect are remarkably improved, solar panel layout suggestions are provided by constructing an optimization objective function and combining algorithm solution, a solar panel layout scheme avoiding the caustics effect is designed by analyzing the influence of different building shapes on a caustics surface, and potential risks are reduced.

Apparatuses and methods for drying objects are provided. The apparatus can comprise a housing configured to provide an airflow channel having an airflow inlet and an airflow outlet, an airflow generating element configured to generate an airflow through the airflow channel, and one or more radiation energy sources configured to generate infrared radiation and direct the infrared radiation toward an exterior of the housing. A device controller can control the operation of the airflow generating element and the one or more radiation energy sources, and a power element controller in connection with the device controller can control the operation of the power element that can provide power at least to the radiation energy source and the airflow generating element.

The invention discloses a nondestructive testing method and system for the comprehensive quality of harvested bananas, and the method comprises the steps: building a high-precision prediction model through obtaining a hyperspectral image, a spectral feature, an infrared radiation energy distribution image, a visible light image and a dielectric property parameter of the bananas, and carrying out the subsequent nondestructive testing of a target banana through the prediction model. The quality of the collected and cold-stored bananas is monitored in real time, the ripening grade of the banana samples in the shelf life after cold storage and ripening can be accurately evaluated, and the banana samples are classified and sorted.

The invention relates to the technical field of immersion liquid cooling control, in particular to an immersion liquid cooling data control method and system combining photovoltaic and low-temperature waste heat power generation, and the method comprises the steps: transmitting low-temperature waste heat generated by the operation of a server to a liquid cooling circulation system, capturing solar radiation energy through a synchronous photovoltaic module, forming basic energy input, and transmitting the basic energy input to a server; generating a symbiotic energy substrate; the symbiotic energy substrate drives dual-path conversion, and photovoltaic electric energy is directly supplied to a cooling system pump set and a control unit to maintain liquid cooling circulation; afterheat pushes an expansion unit to generate power through organic working medium gasification, so that energy consumption of a cooling system is supplemented, and an energy flow self-driving system is formed; operation parameters of the energy flow self-driven system are input into the control core, and a three-state strategy is dynamically executed based on the load state and photovoltaic output. The system comprises a liquid cooling cabinet, a CDU control unit, a PLC, a solar panel, a photovoltaic cell, an illumination intensity sensor, a waste heat recovery device, a mode switcher and the like. According to the invention, system operation mode switching time delay is eliminated.

The utility model discloses a single-point infrared temperature measuring device for a hot end part of an aero-engine, and relates to the field of temperature in-situ detection of engine blades. The device mainly comprises an optical probe with a cooling function, a spectrograph, a photoelectric detector, a high-precision motion positioning platform and a data processing system. The front end of the optical probe reflects radiation energy on the surface of the blade into the collecting lens set through the reflector, the spectrograph divides spectral energy into three different wave bands, signals are collected through the photoelectric detector and the high-speed data collector, and temperature information is obtained through calibration and analysis. The high-precision motion positioning platform adopts a sliding table and a rotating mechanism, and can control the adjustment of the angle of a reflector and the stretching of an optical probe, thereby achieving the precise measurement of the temperatures of different target positions. The whole device is compact in structure, and has the characteristics of high measurement precision, flexible position, low energy loss and the like, and can resist high temperature of 1500 DEG C.

The invention discloses a multi-mode circularly polarized OAM (orbital angular momentum) filtering antenna based on an artificial surface plasmon. According to the antenna, the SSPP leaky-wave antenna and the HMSIPW filter are integrated, so that efficient emission of multi-mode OAM beams is realized, and the antenna has low axial ratio, high gain and good directional diagram matching performance; the SSPP leaky-wave antenna is composed of an Archimedes spiral line type SSPP waveguide and annularly distributed patches, wherein the SSPP waveguide realizes accurate regulation and control of dispersion characteristics through the combination of periodic sawtooth comb lines and uniform spiral lines; the HMSIPW filter is composed of a dielectric substrate layer, a metalized through hole and a gradient rectangular structure, impedance matching of a micro-strip and double lines is achieved, insertion loss is reduced, and radiation performance is improved. Compared with a traditional design, a filtering function is integrated, higher harmonic radiation and low-purity high-mode OAM are inhibited through the overall design, and selectivity and radiation energy uniformity are improved.

The invention relates to the field of textile detection, and discloses a fabric flame retardance analysis method based on infrared thermal imaging sensing data, which comprises the following steps: performing non-contact temperature measurement on a fabric sample in a controlled heat shock disturbance field, acquiring an infrared imaging signal sequence, and performing energy projection rearrangement on the infrared imaging signal sequence; based on the discontinuous change of the energy flow density in the primary thermal behavior field, establishing a boundary disturbance model of a local overheating region, and comparing the morphological difference between a thermal expansion path and a radiation energy attenuation region; mapping the heat potential difference of each region in the critical response diagram into an energy constraint state inside the material, and deducing time bias distribution of energy conduction; introducing a spectrum equalization function under time offset distribution, and executing asymmetric compensation on local abnormal points of the infrared response data; and based on the decomposition threshold dynamic trajectory, calculating a flame-retardant response equilibrium rate and an energy flow retention rate, and forming a flame-retardant performance evaluation index. The method has the advantage of improving the accuracy of flame retardant detection.

The invention discloses a broadband oscillation characterization platform of a multi-chip power module and a near-field characteristic evaluation method, and belongs to the technical field of power electronics. The continuous operation condition of the power converter is decoupled into a series of discrete switching points, transient near-field radiation data of a to-be-tested power module under the discrete switching points are obtained through a double-pulse test, and near-magnetic field radiation signals are reconstructed; performing time-frequency analysis on the reconstructed near magnetic field radiation signal to generate a two-dimensional time-frequency matrix; and calculating a radiation energy entropy value based on the two-dimensional time-frequency matrix, fusing the radiation energy entropy value with the peak amplitude in the two-dimensional time-frequency matrix to generate a comprehensive EMI index for evaluating the broadband oscillation electromagnetic interference risk, and triggering EMI risk early warning when the comprehensive EMI index exceeds a threshold value. According to the method, the spectrum complexity is quantified through the radiation energy entropy, the multi-dimensional EMI risk assessment is carried out by fusing the peak amplitude of the time-frequency matrix, and the broadband oscillation in the multi-chip parallel power module can be accurately and efficiently represented.

The invention provides a low-illumination image enhancement method and device, a storage medium and an electronic device.The method comprises the steps that a low-illumination image of a low-illumination scene is acquired, and the brightness of the low-illumination image is lower than a threshold value; obtaining a camera pose and a scene sparse point cloud of the low-illumination image; performing three-dimensional scene reconstruction on the low-illumination image by adopting the camera pose and the scene sparse point cloud to obtain Gaussian ball distribution of the low-illumination image; the absorptivity attribute of the Gaussian ball distribution is constructed, and the absorptivity attribute is used for describing the absorptivity of an object to radiation energy projected to the surface of the object; and performing illumination enhancement on the Gaussian ball distribution according to the absorptivity attribute to obtain a scene reconstruction view of the low-illumination image. Through the embodiment of the invention, the technical problem of image detail missing in a low-illumination scene in related technologies is solved, and scene details of the low-illumination image can be effectively reserved.

The invention provides an electro / thermochemical gradient hydrogen production system and method for solar radiation energy grading and residual light energy thermal complementary coupling. The system comprises a light condensation assembly; the frequency division assembly is used for grading solar spectrum radiation; a photovoltaic cell power generation device; the methane oxygen-enriched combustion high-temperature photovoltaic power generation device is used for realizing oxygen-enriched combustion of natural gas by utilizing residual heat heat energy and generating power by utilizing radiation energy generated by high-temperature flue gas generated after combustion; the solid oxide electrolytic tank device is used for pushing solid oxide to electrolyze water to produce hydrogen by utilizing heat energy and electric energy contained in the high-temperature flue gas step by step; and the thermal chemical reaction device is used for promoting each step of thermal chemical reaction by utilizing heat energy and electric energy contained in the high-temperature flue gas step by step. The energy source of the system is solar radiation and natural gas, hydrogen and electricity are produced, the system utilizes different energy conversion modes to achieve temperature gradient ordered conversion and utilization of residual light energy after solar frequency division, and complementary coupling of different qualities is achieved on the basis of energy gradient conversion.

The present invention relates to a liquid crystal light modulating device comprising substrates coated with a transparent conductive layer and a liquid crystal composition sandwiched between the substrates with a dichroic dye added; the resulting liquid crystal light modulating device can exist in at least two stable states that remain substantially stable after removal of a voltage, wherein at least one of them is the liquid crystal molecules arranged in a substantially ordered manner, and at least one of them is the liquid crystal molecules arranged in a multi-domain and disordered manner; the applied voltage makes the arrangement of liquid crystal molecules can be quickly switched between the above stable states, and different liquid crystal molecule arrangements from the stable states can be obtained; the above liquid crystal light modulating device for incident light can be adjusted between the minimum absorption and minimum scattering state of high clarity and transparency to the maximum absorption and maximum scattering state of the private state, and at the same time realizes the zero-power privacy protection and zero-power clarity and transparency of the two states, and obtains the excellent regulation of the sun's radiant energy and energy-saving light modulating glass that can quickly switch between transparent and privacy-protecting states.

The invention discloses an infrared bidirectional thermal effect simulation method based on radiation and GPU acceleration, and belongs to the field of thermal radiation simulation and parallel computing. Dispersing the complex geometry into patch units, constructing an inter-patch radiation energy balance equation based on a radiance theory, and iteratively solving the final temperature of the patches through a radiance method; a three-level parallel strategy of a task level, a data level and an instruction level is designed, data intensive tasks such as shape factor calculation and radiance iteration are migrated to a GPU to be executed, data storage is optimized in combination with a structure array (SoA) layout and a sparse matrix compression technology, and efficient data sharing of a CPU end and a GPU end is achieved through a CUDA zero copy technology. According to the method, the dependence of a traditional method on regular grids is broken through, the calculation efficiency and precision of million-level surface patch heat radiation transmission in a complex scene are remarkably improved, and an efficient tool is provided for heat radiation indirect transmission calculation and a global illumination model in the field of three-dimensional scene infrared simulation.

The invention provides an antenna protection efficiency testing system and method based on a reciprocity principle, and belongs to the technical field of antenna testing. According to the invention, the reciprocity characteristic of the energy selection protection antenna is utilized, the microwave source signal is directly injected into the energy selection protection antenna to be tested, the power of the microwave source signal is gradually increased, the electromagnetic wave radiated by the energy selection protection antenna is received through the standard receiving antenna, and the change of the radiation capability of the energy selection protection antenna is observed. When the radiation capability of the energy selection protection antenna is reduced, the energy selection protection antenna enters a protection state, and the accurate protection efficiency can be calculated through the comparison of the radiation capability. As the antenna is a reciprocal device, the change of the receiving capability can be reversely deduced through the change of the radiation capability, namely, the protection efficiency of the energy selection protection antenna is calculated.

The invention discloses a broadband circularly polarized scattering reconfigurable array antenna based on variable capacitance diode loading, and the broadband circularly polarized scattering reconfigurable array antenna is composed of a plurality of scattering reconfigurable antenna units. The scattering reconfigurable antenna unit comprises a resonance structure used for radiating or receiving signals and a feed and phase shift structure arranged on the lower surface of the resonance structure. The feed and phase shift structure comprises a broadband directional coupler and a reflection type broadband phase shifter. When the scattering reconfigurable antenna unit is in a radiation working state, the broadband directional coupler radiates energy to the resonant structure; when the scattering reconfigurable antenna unit is in a scattering working state, the broadband directional coupler transmits energy to the reflection type broadband phase shifter, and the reflection type broadband phase shifter regulates energy of secondary radiation of the reflection type broadband phase shifter according to bias voltage applied to an internal variable capacitance diode. The array antenna provided by the invention is wide in working frequency band, and the radiation performance can be ensured while the scattering characteristic is reconfigurable.

The invention discloses a low-power-consumption radiation-resistant quadrature voltage-controlled oscillator based on an SOI (Silicon On Insulator) process, relates to the technical field of quadrature voltage-controlled oscillators, and is used for solving the technical problems that an existing quadrature voltage-controlled oscillator is low in radiation resistance in a harsh radiation environment and does not have the characteristic of low power consumption. The invention discloses a low-power-consumption anti-radiation quadrature voltage-controlled oscillator based on an SOI process. The low-power-consumption anti-radiation quadrature voltage-controlled oscillator comprises a first voltage-controlled oscillator, a second voltage-controlled oscillator, a first tail filter and a second tail filter, the first voltage-controlled oscillator and the second voltage-controlled oscillator respectively form an LC resonant cavity with a parasitic capacitor of an inductor and a varactor through the inductor; the first tail filter is connected with the first voltage-controlled oscillator, and the second tail filter is connected with the second voltage-controlled oscillator; two inductors of the first tail filter and the second tail filter are coupled; lC resonant cavities of the first voltage-controlled oscillator and the second voltage-controlled oscillator output oscillation waveforms, and negative impedance is formed through configured transistor pairs, so that the waveforms are output constantly.

The invention discloses a mobile phone antenna based on an improved Huygens antenna, which is characterized in that a traditional Huygens antenna is placed at the top of a dielectric substrate, and the Huygens antennas on the two dielectric substrates are close to each other; modifying the shape of the metal grounding plate; when the included angle between the two dielectric substrates is 90 degrees, the antenna works in a dual polarization state, and when the included angle between the two dielectric substrates is 180 degrees, the antenna works in a linear polarization state. According to the mobile phone antenna, a traditional no-floor Huygens antenna is introduced into mobile phone antenna application, the metal grounding plate required by a mobile phone is added below the traditional no-floor Huygens antenna, and the metal grounding plate is modified, so that the terminal antenna has the advantages of high efficiency and low backward radiation, and the feed structure is more stable; and radiation energy is concentrated in the upper half space, so that the stability of communication connection between the mobile phone and the satellite is further enhanced, and the satellite communication experience of a user of the double-folding mobile phone is improved.

The invention provides an IPDA laser radar detection model construction method and device. The method provided by the invention comprises the following steps: simulating laser pulse emission based on a state matrix to obtain a first laser pulse; simulating radiation energy loss of the first laser pulse in the transmission process to obtain a second laser pulse; establishing a detector instrument model, and taking the sum of the performance degradation degree and the detection error as the system error of the detector; calculating first noise detected by the detector, calculating detection noise and signal processing noise of the detector, and calculating total noise of the detector based on the sum of the first noise, the detection noise and the signal processing noise; receiving the second laser pulse based on the response curve to obtain a predicted response; and correcting the prediction response according to the detection error and the total noise to obtain an output result of the detector. According to the IPDA laser radar detection model construction method and device provided by the invention, the performance of an IPDA laser radar detection system can be analyzed more comprehensively.

The invention relates to the technical field of supporting devices, and discloses a photovoltaic power generation panel supporting device which comprises a supporting frame, the inner wall of the supporting frame is slidably connected with sharp piles, the top of the supporting frame is fixedly connected with a motor, and the output end of the motor is fixedly connected with a belt pulley set. According to the invention, the sharp pile is fixed in the land, so that the supporting frame can be firmly fixed, the fixing frame rotates to drive the photovoltaic panel to rotate, and the photovoltaic panel can be always kept at an angle perpendicular to or approximately perpendicular to the sunlight; the photovoltaic panel can receive more solar radiation energy, so that the photoelectric conversion efficiency is improved, the generating capacity is increased, the impact force generated when the photovoltaic panel rotates can be offset, and the situation that the photovoltaic panel is damaged due to the fact that the photovoltaic panel is adjusted too fast due to strong wind and the impact force borne by the photovoltaic panel is too large is avoided.

The invention discloses a space radiant energy collection and conversion system, which relates to the technical field of energy conversion, and comprises a motor, a main shaft, a steam turbine, an expansion machine and a synchronous generator, a clutch I and a clutch II are respectively mounted on the main shaft on the right side of the motor and the left side of the steam turbine; and a transmission I, a transmission II and a transmission III are sequentially mounted on the main shaft between the clutch I and the clutch II. According to the space radiant energy collection and conversion system, energy sources are infinite, and radiant energy in air and water is utilized and is an inexhaustible energy source; the cost is extremely low: the cost of generating one kilowatt-hour can be reduced to one minute; the system does not depend on fossil fuel, and pollution of exhaust emission to the nature is avoided.

The present application relates to a liquid crystal dimming device, comprising a substrate coated with a transparent conductive layer and a liquid crystal composition with a dichroic dye added thereto sandwiched between the substrates; the resulting liquid crystal dimming device can have at least two stable states that remain basically stable after the voltage is removed, at least one of which is that the arrangement of liquid crystal molecules is basically orderly, and at least one is that the arrangement of liquid crystal molecules is multi-domain and disordered; an external voltage is applied so that the arrangement of liquid crystal molecules can be quickly switched between the above-mentioned stable states, and a liquid crystal molecule arrangement different from the stable state can also be obtained; the above-mentioned liquid crystal dimming device can adjust the incident light between a highly clear and transparent minimum absorption and minimum scattering state to a privacy state of maximum absorption and maximum scattering state, while realizing zero power consumption privacy protection and zero power consumption clear and transparent states, obtaining excellent solar radiation energy regulation and energy-saving intelligent dimming glass that can quickly switch between high-definition transparent and privacy protection states.

The invention discloses a 2-bit multi-polarization reconfigurable electric control metasurface antenna which comprises a linear polarization feed source horn and a reflection type metasurface. The reflective metasurface comprises a plurality of metasurface units arranged periodically, and each metasurface unit comprises a first metal layer, a first dielectric plate, a second metal layer, a prepreg layer, a third metal layer, a second dielectric plate and a fourth metal layer which are sequentially and coaxially stacked from top to bottom. And two pairs of p-i-n diodes are integrated on each metasurface unit and are used for regulating and controlling linearly polarized waves from the feed source. According to the metasurface antenna, the radiation capacity of dual linear polarization and dual circular polarization is achieved through the single linear polarization feed source and the single reflection type metasurface at the same time, the beam scanning capacity of + / -60 degrees is achieved, and the aperture efficiency is high. In addition, a direct-current control circuit for controlling a p-i-n diode switch is designed on the back surface of the reflective metasurface, so that the integration level of the metasurface system is greatly improved. The metasurface antenna has the advantages of being simple in structure, large in polarization number, low in structural complexity and high in integration degree.

The invention relates to the technical field of static storage, and particularly discloses an anti-radiation SRAM (Static Random Access Memory) unit, array and storage and calculation integrated system, which realizes the balance of anti-radiation capability and engineering feasibility through the collaborative design of a circuit and the system. A polarity-reinforced RHCIM-16T unit structure is adopted as the core, and directional conductive constraint is introduced, so that complex multi-node flipping is simplified into a single'lock 0 'error, and the error rate is reduced from the source. On the basis, a lightweight single error correction code is combined to form an efficient fault-tolerant mechanism of circuit simplification and SEC coding. According to the scheme, through the design of splitting word lines and the like, logic operations such as AND and NOR are compatible, and stable execution of the storage and calculation integrated function in a radiation environment is ensured. Simulation and experiment results show that the robustness and the expandability of the memory array in the radiation environment can be remarkably enhanced while the relatively low area and the relatively low power consumption overhead are maintained.

The invention provides a transmission metasurface multi-subarray beam forming method and device. The device comprises a support used for supporting, a subarray type transmission metasurface module used for transmitting electromagnetic waves and achieving beam forming, a multi-feed-source antenna module used for radiating the electromagnetic waves and a multi-feed-source control module used for wavefront modulation. Through the multi-feed-source control module, the consistency of the amplitude and the phase of signals input into the horn antenna unit is achieved, the whole array is formed by splicing the transmission metasurface subarrays in the same arrangement, meanwhile, the subarrays correspond to horn antennas of the multi-feed-source antenna module in a one-to-one mode, system beam forming is achieved, and the directivity and the quality of beams are remarkably improved. According to the embodiment of the invention, multi-feed-source radiation energy is converged by using a joint subarray idea, the signal transmission intensity of the transmission metasurface is improved, and wavefront regulation and beam forming with higher gain can be realized at a 10GHz frequency.

The utility model discloses irradiation rubber cable processing equipment, and relates to the technical field of cable production. The device comprises an irradiation box, a rotating assembly is arranged in the irradiation box, an irradiation assembly is arranged at the rotating end of the rotating assembly, a driving assembly is arranged on one side of the rotating assembly, and the driving assembly is in power connection with the rotating end of the rotating assembly. According to the utility model, the cable penetrates through the interior of the irradiation box and is driven by the winding device to continuously move in the irradiation box, at the moment, the driving assembly drives the rotating assembly, so that the rotating assembly drives the irradiation assembly to rotate on the outer side of the cable, and the irradiation assembly has a certain length; therefore, ultraviolet rays emitted by the irradiation assembly can be uniformly irradiated to the outer surface of the cable, radiation energy on the surface of the cable is relatively uniformly distributed, and the quality of the cable during irradiation can be guaranteed.

The invention relates to a preparation process and method for preparing core-shell nanoparticles and a polymer (PVP) film on a substrate of a common glass slide, wherein the core-shell nanoparticles are coated with tungsten-doped vanadium dioxide nanoparticles on the surface of silicon dioxide, and the process sequentially comprises the following steps of: pretreating a silicon dioxide and tungsten-doped vanadium dioxide core-shell structure and preparing a PVP mixed solution; the method comprises the basic operation procedures of ethanol dispersion of the core-shell structure, PVP dispersion, setting of stirring parameters, spin-coating parameters, drying parameters and the like. The invention also relates to an application of the core-shell nanoparticles and a polymer (PVP) film which are prepared on a substrate of a common glass slide and are coated with tungsten-doped vanadium dioxide nanoparticles on the surface of silicon dioxide in the fields of intelligent windows, infrared stealth, energy-saving glass and radiation refrigeration in the aspects of adjustable transmittance and adjustable radiation capability. The problems that a traditional vanadium dioxide nanoparticle film is low in visible light transmittance, poor in near-infrared modulation capacity, reverse in infrared radiance and the like are solved.