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45 results about "Radiation-Total" patented technology

Base station OTA intermodulation test method based on reverberation chamber

The invention provides a base station OTA intermodulation test method based on a reverberation chamber. The reverberation chamber comprises a shielding shell which encloses a closed cavity, and a stirrer which is arranged in the closed cavity and is used for stirring electromagnetic waves transmitted in the closed cavity; and the tested base station and the interference signal antenna are arranged in the working area of the closed cavity in parallel at a preset interval. The method comprises the following steps: starting a tested base station, and enabling the tested base station to transmit a main signal of a first frequency and bandwidth in a preset transmitting power mode; providing an interference signal of a second frequency and bandwidth with a predetermined power level to an interference signal antenna to generate intermodulation interference on the tested base station so as to perform an intermodulation interference test; under the condition that the stirrer is started for electromagnetic wave stirring, electromagnetic wave signals in the closed cavity are collected; and analyzing and processing the acquired electromagnetic wave signal to obtain a measurement result of the intermodulation interference test index based on the total radiation power. The universality of the emission intermodulation test is realized, and the test cost and time are reduced.
Owner:THE STATE RADIO MONITORING CENT TESTING CENT

Method and device for determining dip angle and azimuth angle of photovoltaic power station

The embodiment of the invention provides a method and a device for determining an inclination angle and an azimuth angle of a photovoltaic power station. The method comprises the following steps: acquiring background data of the photovoltaic power station; based on the background data, calculating the daily total radiation quantity corresponding to any inclination angle assumed value in the inclination angle initial range, and determining the inclination angle assumed value corresponding to the maximum daily total radiation quantity as a reference inclination angle; determining a new inclination angle range by taking the reference inclination angle as a center, and dividing the azimuth angle initial range to obtain three azimuth angle subareas; for each azimuth subarea, performing multi-target optimization on the total income and the unit income by using a Monte Carlo-gradient descent hybrid algorithm, and outputting an optimal inclination angle and an optimal azimuth angle corresponding to the azimuth subarea; and respectively calculating an optimal inclination angle corresponding to each azimuth subarea and a yield rate corresponding to the optimal azimuth angle, and obtaining and outputting the inclination angle and the azimuth angle corresponding to the highest yield rate. The optimal inclination angle and azimuth angle are accurately determined for the photovoltaic power station, and the power generation income of the photovoltaic power station is effectively improved.
Owner:HUANENG CLEAN ENERGY RES INST +2

Photovoltaic power station equipment operation optimization method, system, device and readable storage medium

The present application relates to the technical field of photovoltaic power generation, and discloses a photovoltaic power station equipment operation optimization method, system, device and readable storage medium, the present application obtains a radiation type index by using horizontal plane total radiation data and component surface direct radiation data of the photovoltaic power station equipment, to construct a proportional quantization model about direct radiation and scattered radiation, to facilitate capturing the radiation mutation of the actual operation of the photovoltaic power station under the condition of sand and dust; then by inputting the current radiation type index and real-time environmental data into the trained random forest prediction model, the present application breaks through the limitation of the traditional power prediction model which only depends on total radiation, and can obtain more accurate predicted power; by predicting the power, the current radiation type index and the working mode type, an intelligent decision model is used for decision-making to obtain the optimal equipment operation rule, and the operation state of the photovoltaic power station equipment is optimized by using the optimal equipment operation rule, so as to ensure the efficient and reliable operation of the photovoltaic power station equipment.
Owner:SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD

On-chip measuring circuit and method for threshold voltage of PMOS (P-channel Metal Oxide Semiconductor) transistor and total radiation dose monitoring circuit

The invention relates to a circuit and a method for measuring the threshold voltage of a PMOS (P-channel Metal Oxide Semiconductor) transistor in a radiation environment, in particular to an on-chip measuring circuit and a method for the threshold voltage of the PMOS transistor and a total radiation dose monitoring circuit, and solves the problem that the existing device for measuring the threshold voltage of the PMOS transistor cannot monitor the change of the threshold voltage on line. Or the size is large and the precision is low. According to the on-chip measuring circuit for the threshold voltage of the PMOS transistor, a differential mode is adopted, the subtracter circuit is used for sampling the voltage at the source end and the drain end of the PMOS transistor, common-mode noise generated by the outside to a measured signal can be effectively eliminated, the on-chip measuring circuit can be realized, the size and the weight of the measuring circuit are effectively reduced, and the cost is reduced. And real-time monitoring of the threshold voltage of the PMOS transistor is realized. Meanwhile, the invention further provides a total radiation dose monitoring circuit, signals are processed and amplified at the near end of the PMOS transistor, the strength and the anti-interference capacity of the measured signals can be effectively improved, and the size is further reduced.
Owner:NORTHWEST INST OF NUCLEAR TECH

Radiation total dose detection system and method based on radiation color-changing film

The application provides a radiation total dose detection system and method based on a radiation color-changing film, and the system comprises a luminosity detection system, a chroma detection system and a calculation module; the luminosity detection system is used for detecting the change of light power transmitted by the first radiation color-changing film; the chroma detection system is used for acquiring the image of the second radiation color-changing film; and the calculation module is used for determining the radiation total dose according to the change of light power and / or the image. The application is based on the corresponding relationship between the transmittance of the radiation color-changing film and the received radiation total dose, that is, when the light power loss transmitted by the film increases, the transmittance of the film decreases, and the received radiation total dose increases; when the color of the film image deepens, the transmittance of the film decreases, and the radiation total dose increases. Thus, the real-time monitoring of the radiation dose is carried out from two angles of the change of transmitted light power and the change of image color, respectively, and the online detection of the radiation total dose of the target environment is realized.
Owner:TSINGHUA UNIVERSITY

Ultraviolet radiation source and method for determining the fluorescent dose of

PendingCN121420660ARadiation-TotalWavelength range
Ultraviolet radiation source (2), in particular an LED emitter or an LED device, comprising at least one LED element (4), the wavelength of the main band gap radiation of which is less than or equal to 380 nm, and a preferably translucent substrate (6) on which the at least one LED element (4) is arranged; wherein the at least one LED element (4) and the translucent substrate (6) are encapsulated in a translucent material (12); wherein a predetermined amount of a fluorescent material (14) is at least partially dispersed in the translucent material (12), and / or on the at least one LED element (4), and / or on or inside the translucent substrate, said fluorescent material (14) being used to generate fluorescent material radiation in the visible light range in the wavelength range of 380-780 nm, preferably 400-500 nm, and wherein the fluorescent material (14) is at least partially dispersed in the translucent material (12), and / or on the at least one LED element (4), and / or on or inside the translucent substrate. To convert a portion of the total radiant power of the at least one LED element (4) into visible light; and the conversion part is 0.1% to 10% of the total radiation power of the at least one LED element (4).
Owner:FLOWIL INTERNATIONAL LIGHTING (HOLDINGS) CO LTD

Light generating system

ActiveUS20260046990A1Light source combinationsElectrical apparatusRadiation-TotalFluence
The invention provides a light generating system (1000) comprising (a) first light generating device (110) and (b) a control system (300), wherein: the first light generating device (110) is configured to generate first device light (111), wherein the first device light (111) comprises light having one or more wavelengths in a first wavelength range of 280-320 nm, wherein the first wavelength range comprises a lower subrange from λ11 to λ12 and a higher subrange from λ21 to λ22, wherein 280 nm≤λ11<λ12≤λ21<λ22≤320 nm, and wherein λ12 and λ21 are selected from the wavelength range of 290-315 nm, wherein a wavelength dependent radiant flux of the first device light (111) is controllable: the light generating system (1000) is configured to generate system light (1001) comprising at least part of the first device light (111); the control system (300) is configured to control the wavelength dependent radiant flux of the first device light (111) as a function of time, wherein the light gen-crating system (1000) is configured to provide the first device light (111) at a first time t1, at a second time t2, and at a third time t3; wherein the second time t2 is temporally arranged after the first time t1, and the third time t3 is temporally arranged after the second time t2; and wherein the first time t1, the second time t2, and the third time t3 are temporally arranged in a single day; wherein relative to a total radiant flux in the first wavelength range the radiant flux of the first device light (111) in the lower subrange is relatively lower at the first time t1 than at the second time t2, and wherein relative to the total radiant flux in the first wavelength range the radiant flux of the first device light (111) in the higher subrange is relatively higher at the first time t1 than at the second time t2; and / or wherein relative to the total radiant flux in the first wavelength range the radiant flux of the first device light (111) in the lower subrange is relatively higher at the second time t2 than at the third time t3, and wherein relative to the total radiant flux in the first wavelength range the radiant flux of the first device light (111) in the higher subrange is relatively lower at the second time t2 than at the third time t3.
Owner:SIGNIFY HOLDING BV

A total radiation prediction data revision method based on satellite inversion and ground monitoring

The application discloses a total radiation prediction data revision method based on satellite inversion and ground monitoring, and relates to the field of prediction data revision.The method comprises the following steps: acquiring prediction data and inversion data corresponding to total radiation of a target photovoltaic station, and simultaneously collecting monitoring data of the total radiation of the target photovoltaic station; establishing a mapping model based on the inversion data, correcting the monitoring data by using the mapping model, and outputting a total radiation monitoring correction value according to the correction result; taking the total radiation monitoring correction value as input and combining meteorological parameters in a target period to establish a prediction data revision model, and outputting a revision result of the prediction data of the target photovoltaic station in combination with a verification rule.The application is based on satellite inversion and ground monitoring, realizes revision of numerical mode total radiation prediction data, and thus provides complete total radiation time series prediction data for a photovoltaic power station, and improves short-term prediction accuracy of power generation of the photovoltaic power station.
Owner:HUANENG JIANGSU COMPREHENSIVE ENERGY SERVICE CO LTD

Two-dimensional infrared temperature measurement method and device for wall surface of combustion chamber of heavy-duty gas turbine

PendingCN121558186ARadiation thermographyPlanck's lawCombustion chamber
The invention discloses a two-dimensional infrared temperature measurement method and device for the wall surface of a combustion chamber of a heavy-duty gas turbine. The temperature measurement method comprises the following steps: determining gas transmittance, target emissivity and a measurement wave band; calibrating the key parameters; establishing a target exitance formula, an environment reflection exitance formula, a gas exitance formula and a total radiation energy formula; solving the radiation exitance of the target black body; and according to the Planck's law, the real temperature is calculated. The two-dimensional temperature monitoring system for the wall surface of the combustion chamber of the heavy-duty gas turbine in the high-temperature and high-pressure environment is formed on the basis of an infrared thermal radiation imaging technology in combination with emissivity measurement and gas transmittance calculation, and non-contact two-dimensional wall temperature full-working-condition real-time online accurate measurement is achieved; and an important foundation is laid for dynamic optimized operation and intelligent service life management of the gas turbine.
Owner:CHINA UNITED GAS TURBINE TECH CO LTD

Multi-source data fused vertical plane hourly total radiation calculation method and related equipment

The invention discloses a multi-source data fused vertical plane hourly total radiation calculation method and related equipment, and the method comprises the steps: firstly obtaining multi-source data of a target area, including horizontal plane solar radiation, ground meteorology, satellite inversion data and astronomical parameters; judging data conditions of a target area, wherein the data conditions are divided into two types with and without horizontal plane solar radiation data; selecting a corresponding input parameter combination from the multi-source data according to the data condition, selecting the horizontal plane solar radiation data and the ground meteorological data when the horizontal plane solar radiation data exists, and selecting satellite inversion and astronomical parameters when the horizontal plane solar radiation data does not exist; then training a predefined machine learning model by using the selected parameter combination to obtain a trained vertical plane hourly total radiation calculation model; and finally, inputting current multi-source data into the model to obtain a vertical plane hourly total radiation calculation value of the target area. The method aims at solving the problem that an existing method depends on experience judgment on input variable selection, so that the adaptability and generalization ability of a model are insufficient in a data condition change scene.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Horizontal plane hourly total radiation data calculation method and related device

The invention discloses a horizontal plane hourly total radiation data calculation method and a related device, and the method comprises the steps: firstly, obtaining the annual monthly average sunshine percentage, latitude, altitude and other data of a target region and a plurality of reference regions provided with solar radiation observation stations, and the reference regions need to obtain annual precipitation data; thirdly, determining the similarity based on the monthly average sunshine percentage, latitude and altitude of the target region corresponding to each reference region, and selecting the solar radiation observation station of the region with the highest similarity as a reference station; then, selecting a target model from two preset horizontal plane hourly total radiation calculation models according to the clearness index of the target region and the annual precipitation of the region where the reference station is located: selecting a first model when the clearness index is in a first preset range and the annual precipitation is greater than a preset threshold value, otherwise, selecting a second model, and the model coefficient is determined by fitting measured data of the reference station and related parameters. And finally, operating the target model, inputting target region parameters, and outputting horizontal plane hourly total radiation data, so as to solve the problems of few observation stations and poor precision of the traditional model.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Single building photovoltaic resource measurement method and system based on parameterized model library

ActiveCN122065418BRadiation-TotalProcess engineering
The application discloses a monomer building photovoltaic resource measurement method and system based on a parameterized model library, and is applied to the technical field of intelligent analysis, and the method comprises the following steps: constructing a basic solar radiation model library of a target region; acquiring three-dimensional data of a target building and surrounding buildings of the target building in the target region, and identifying all effective shelter buildings; identifying a radiation influence coefficient of each effective shelter building on the surface of the target building at different time periods through the basic solar radiation model library, and superimposing the radiation influence coefficients of all the effective shelter buildings to form a total radiation influence coefficient; and analyzing a region where photovoltaic components can be installed on the target building according to the total radiation influence coefficient. The application solves the inherent defects of high calculation cost and weak shelter influence evaluation of the existing method by using the standardized basic solar radiation model library, and provides core tool support for scientific deployment of monomer building photovoltaic.
Owner:SHANGHAI RESEARCH INSTITUTE OF BUILDING SCIENCES CO LTD

High emissivity far infrared ceramic module for therapeutic device

This invention relates to a ceramic module for assembly into a therapeutic device for treating a human or animal body with irradiation of far infrared. More specifically, said ceramic module can simultaneously emit blackbody-like thermal radiation and stimulated FIR-photons radiation in 3-16 μm wavelength spectrum, while the overall radiation in 8-14 μm wavelength range is measured to be an approximated blackbody radiation at a temperature that is at least 1° K (or 1° C.) higher than the actual body temperature of said ceramic module, signifying an effective emissivity greater than 1.0. Said ceramic module may be used alone or serve as components of a therapeutic device for increasing physiologic performance, immune competence, health, and mean lifespan of human or animal.
Owner:WEY ALBERT CHIN TANG

Method and system for correcting total solar radiation data of photovoltaic power station

The application relates to the technical field of photovoltaic power station evaluation, and particularly discloses a photovoltaic power station total solar radiation data correction method and system. The method uses high-precision ground surface radiation observation sequence data of a solar radiation in a certain range of the power station, corrects a weather scale radiation component, namely a low-frequency component, of meteorological satellite radiation sequence data at a position of the power station according to spatial similarity and randomness of total solar radiation through a wavelet analysis method, reduces deviation caused by an optical thickness related parameter model inversion, and improves evaluation accuracy of satellite radiation data.
Owner:SUNGROW (SHANGHAI) CO LTD

Solar irradiance scene generation method considering multiple time dimensions and related device

ActiveCN121705784ARadiation-TotalSky
The invention discloses a solar irradiance scene generation method considering multiple time dimensions and a related device, and the method comprises the steps: obtaining the extraterrestrial radiation data of a target geographic position, and constructing a daily clearness index sequence based on the extraterrestrial radiation data of the target geographic position; obtaining a symbolic aggregation approximate sequence; a plurality of types of daily clear sky state DCS are obtained; constructing a state transition vector, and generating a DCS sequence of multiple consecutive days based on the state transition vector and a plurality of types of day clear sky state DCS; in each type of daily clear sky state DCS in the DCS sequence, randomly selecting a corresponding SAX symbol sequence, generating a daily definition index sequence according to conditional probability distribution corresponding to each symbol in the selected SAX symbol sequence, substituting the daily definition index sequence into a clear sky radiation model, and calculating to obtain intraday hourly total radiation data, the solar irradiance scene is constructed based on the intraday hourly total radiation data, the method and the related device generate the solar irradiance scene, and the scene authenticity and diversity are high.
Owner:XI AN JIAOTONG UNIV +1

Monomer building photovoltaic resource measuring and calculating method and system based on parameterized model library

The invention discloses a method and a system for measuring and calculating photovoltaic resources of a single building based on a parameterized model library, which are applied to the technical field of intelligent analysis, and the method comprises the following steps: constructing a basic solar radiation model library of a target area; obtaining three-dimensional data of a target building in the target area and surrounding buildings of the target building, and identifying all effective shielding buildings; identifying radiation influence coefficients of each effective shielding building on the surface of the target building in different time periods through the basic solar radiation model library, and superposing the radiation influence coefficients of all the effective shielding buildings to form a total radiation influence coefficient; and according to the total radiation influence coefficient, analyzing an area where the photovoltaic module can be installed in the target building. According to the method, the inherent defects that an existing method is high in computing power cost, weak in shielding influence evaluation and the like are overcome through the standardized basic solar radiation model library, and core tool support is provided for scientific photovoltaic deployment of a single building.
Owner:SHANGHAI RESEARCH INSTITUTE OF BUILDING SCIENCES CO LTD

An online radiation total dose detection method based on fiber microbend loss

The application provides an online radiation total dose detection method based on fiber micro-bending loss, which comprises the following steps: firstly, placing a reaction cavity in a detection device at a detection position; a transmission window is arranged on the reaction cavity, and a polyethylene detection material is arranged in the reaction cavity; secondly, arranging the transmission window to face a radiation source; an elastic film is arranged on the reaction cavity, so that the inside of the reaction cavity is a sealed environment; then, acquiring a power value at a current time detected by a fiber micro-bending sensor in the detection device; one end of the fiber in the fiber micro-bending sensor is connected to a light source, and the other end is connected to an optical power meter; the fiber is arranged directly above the elastic film; finally, determining the radiation total dose at the current time according to the power value at the current time. The application is based on the principle of fiber micro-bending loss, and the radiation total dose received by the detection material is calculated by monitoring the power change of the fiber in real time, so that the online detection of the radiation total dose of a target environment is realized.
Owner:TSINGHUA UNIVERSITY

A high power microwave antenna establishment method

The application discloses a high-power microwave antenna establishing method, and belongs to the technical field of antennas. The method comprises the following steps: determining the total radiation aperture of the antenna according to the size and gain requirement of the microwave antenna of a system, and estimating the aperture and quantity of the required transmitting antenna by considering the beam synthesis efficiency; and selecting a proper rotating table according to the aperture and quantity of the transmitting antenna. Since the antennas are installed on the same rotating table, the consistency between the antennas can be ensured through a tooling, so that all the antennas can be simultaneously aimed at a target or a certain direction by rotating the rotating table, the signal transmitting distances of the antennas to the target are the same, and the effective radiation power in a certain direction can be maximized by only ensuring that the amplitude, phase and time delay of the front-end link of the transmitting antenna are the same. Since the antennas are on the same rotating table, the driving systems of the antennas are the same, and the influence of the time delay between different driving systems is eliminated.
Owner:THE 54TH RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION

Total irradiation intensity ultra-short-term prediction correction method

PendingCN121707043AForecastingBiological modelsRadiation-TotalNew energy
The invention relates to the technical field of new energy, and discloses a total irradiation intensity ultra-short-term prediction correction method, which comprises the steps of collecting multi-source data of a photovoltaic power station; based on the historical total radiation intensity and satellite inversion data of the photovoltaic power station, extrapolating the total radiation intensity in a future time period by using a partial least square technology to obtain total radiation intensity extrapolation forecast data; based on the numerical weather return data and the numerical weather forecast data, predicting a weather abrupt change index and a weather abrupt change probability of a future time period, and identifying weather phase state features of the future time period in combination with a collaborative analysis result of the weather abrupt change index and the weather abrupt change probability; and inputting the total irradiation intensity extrapolation forecast data and the weather phase state characteristics as influence sources into a pre-constructed total irradiation intensity correction model, and outputting a real-time total irradiation intensity correction value through the total irradiation intensity correction model. According to the method, the total irradiation intensity ultra-short-term prediction correction is realized by combining the historical data of the photovoltaic power station, the satellite inversion data and the numerical mode data.
Owner:HUANENG JIANGSU COMPREHENSIVE ENERGY SERVICE CO LTD

Airborne energy radiation air conditioning work station air supply terminal system and its radiation capacity calculation method

ActiveCN116358123BMechanical apparatusRadiation-TotalAir conditioning
The application provides an air energy-carrying radiation air conditioner work station air supply end system and a radiation capacity calculation method thereof. The system comprises an air conditioner unit, which is communicated with a floor radiation cavity below a floor through an air distribution channel. A supply air pipe is arranged on a double-sided radiation plate corresponding to the work station on the floor. The lower end of the supply air pipe is communicated with the floor radiation cavity, and the upper end is connected with a cavity of the double-sided radiation plate of the work station. Radiation holes are distributed on the two sides of the double-sided radiation plate. The calculation method comprises the following steps: step one, calculating the capacity of the double-sided radiation plate of the work station; step two, calculating the radiation capacity of the floor radiation cavity; and step three, verifying whether the total radiation capacity of the capacity of the double-sided radiation plate of the work station and the radiation capacity of the floor radiation cavity meets the required radiation per unit area of the room.
Owner:CHINA THREE GORGES UNIV

Total radiation forecast data correction method based on satellite inversion and ground monitoring

The invention discloses a total radiation forecast data correction method based on satellite inversion and ground monitoring, and relates to the field of forecast data correction, and the method comprises the steps: obtaining forecast data and inversion data corresponding to the total radiation of a target photovoltaic site, and collecting the monitoring data of the total radiation in the target photovoltaic site; establishing a mapping model based on the inversion data, correcting the monitoring data by using the mapping model, and outputting a total radiation monitoring correction value according to a correction result; and establishing a forecast data correction model by taking the total radiation monitoring correction value as input and combining with meteorological parameters in the target time period, and outputting a correction result of forecast data of the target photovoltaic site by combining with a verification rule. According to the method, on the basis of satellite inversion and ground monitoring, correction of numerical mode total radiation forecast data is realized, so that complete total radiation time sequence forecast data is provided for the photovoltaic power station, and the short-term prediction precision of the power generation power of the photovoltaic power station is improved.
Owner:HUANENG JIANGSU COMPREHENSIVE ENERGY SERVICE CO LTD

Quality control method suitable for earth surface total solar radiation observation data

PendingCN121188340ASunshine duration recordersWeather condition predictionRadiation-TotalObservation data
The invention provides a quality control method suitable for earth surface total solar radiation observation data, and relates to the technical field of meteorological observation and energy, and the method comprises the steps: obtaining the earth surface total solar radiation observation data from a ground station or a satellite, and executing the multi-dimensional quality control cooperative processing of integrity, internal consistency, stiffness value and physical possible limit; and dynamically calculating a physical limit interval according to the sun position parameter, screening an abnormal value, and marking data passing all verification as available data. By combining the geographic position and the observation time, the dynamic quality control threshold value is calculated, so that misjudgment and data loss caused by a unified standard are effectively avoided, quality control is performed on the earth surface total solar radiation observation data, the method can be applied to earth surface total solar radiation observation data quality control work, the error rate of the observation data can be effectively reduced, and the accuracy of earth surface total solar radiation observation data quality control is improved. And therefore, the accuracy and reliability of data quality control can be improved, and the credibility and availability of the data can be ensured.
Owner:NAT SATELLITE METEOROLOGICAL CENT

Method and device for evaluating influence of secondary source item in coastal nuclear power liquid effluent

The invention provides an influence evaluation method and device for a secondary source item in coastal nuclear power liquid effluent. The method comprises the steps of obtaining source item data of a target nuclear facility and meteorological data and hydrological data of an evaluation area; based on the hydrological data and the source item data, a water body radionuclide concentration field is obtained through a water body diffusion model; based on the radionuclide concentration field and the hourly evaporation rate of the water body, the average hourly evaporation flux of the region is obtained, and the hourly evaporation flux is compiled into a dynamic surface source input item; simulating transportation and diffusion of a secondary source item in the atmosphere through an atmospheric diffusion model based on the meteorological data and the compiled dynamic surface source input item, and obtaining an average concentration value of the secondary source item in the target residential area in the whole year period; based on the hourly evaporation flux, utilizing a secondary source item calculation model to obtain a secondary source item proportion in the liquid effluent of the target area in the whole year period; and obtaining the annual total radiation dose of the target residential area based on the average concentration value of the annual time period of the target residential area.
Owner:TSINGHUA UNIVERSITY

Test apparatus and method for an electronic device

The embodiment of the application provides a kind of electronic equipment testing device and method, it is related to testing field, can greatly reduce the test cost of SAR value and other parameters, simply and quickly determine that SAR value and other parameters possibly do not meet the requirements of electronic equipment, with higher practicality.The device comprises: host computer, test box, test link.The test box is used to place multiple devices to be tested.The first end of the test link is wirelessly connected with the multiple devices to be tested, and the second end of the test link is connected with the host computer.The host computer is used to determine the total radiation power of each device to be tested through the test link.A first discrete value is calculated according to the total radiation power of each device to be tested.When the first discrete value is greater than a first preset value, a first contribution value of each device to be tested is calculated according to the total radiation power of each device to be tested.The device to be tested with a first contribution value greater than a second preset value is identified as not passing the test.
Owner:HONOR DEVICE CO LTD

Millimeter wave total radiated power and receive sensitivity test apparatus and method

The application discloses a kind of millimeter wave total radiation power and receiving sensitivity test method, including test device, test device includes electromagnetic shielding unit, resonance control unit, signal generation unit, signal detection unit, processor and communication simulator.Electromagnetic shielding unit provides clean electromagnetic environment and efficient electromagnetic wave reflection plane;Resonance control unit contains at least a set of stirrer and controller, angle control is implemented, so that electromagnetic wave in electromagnetic shielding unit produces different reflection path;Signal generation unit is used to generate electromagnetic wave signal, and is input to the transmitting antenna in electromagnetic shielding unit by radio frequency line;Signal detection unit is received by the receiving antenna in electromagnetic shielding unit electromagnetic wave signal, is transmitted out by radio frequency cable, and voltage amplitude is measured;Communication simulator is used to establish communication connection with millimeter wave device under test;Processor establishes data model according to the data provided by signal detection unit, and also can obtain the data required for detection by model calculation, record and display.
Owner:GANT CLOUD TECH (WUHAN) CO LTD

Solar irradiance scene generation method considering multiple time dimensions and related apparatus

ActiveCN121705784BRadiation-TotalRadiation model
The application discloses a kind of solar irradiance scene generation method considering multiple time dimensions and related devices, comprising: obtaining extraterrestrial radiation data of target geographic position, daily clearness index sequence is constructed based on the extraterrestrial radiation data of target geographic position;Get symbolic aggregate approximation sequence;Get several types of daily clearness state DCS;State transition vector is constructed, and the DCS sequence of continuous multiple days is generated based on the state transition vector and several types of daily clearness state DCS;In each type of daily clearness state DCS in the DCS sequence, a corresponding SAX symbol sequence is randomly selected, and the daily clarity index sequence is generated according to the conditional probability distribution corresponding to each symbol in the selected SAX symbol sequence, the daily clarity index sequence is substituted into clearness radiation model, and the total radiation data of time in day is calculated, and the solar irradiance scene is constructed based on the total radiation data of time in day, the method and related devices generate solar irradiance scene, and the scene authenticity and diversity are higher.
Owner:XI AN JIAOTONG UNIV +1

A communication power far-field radiation prediction method and device, electronic equipment and storage medium

This invention relates to the field of electromagnetic compatibility technology, and particularly to a method, device, electronic device, and storage medium for predicting far-field radiation from a communication power supply. The method includes: analyzing the common-mode noise propagation path of the communication power supply and establishing a dual-excitation-source radiation model containing both input port and output port common-mode excitation sources. This application achieves separate analysis of the radiation contributions from the input and output ports by establishing a dual-excitation-source radiation model; improves the accuracy of key parameters by obtaining the impedance parameters of each port separately and accurately converting the excitation source voltage using a sampling measurement circuit; further, it obtains the maximum radiation transfer function through full-angle simulation to ensure prediction coverage of the worst-case scenario; finally, it calculates the total radiation prediction value by integrating the above parameters, thus forming a complete and reliable prediction process that significantly improves the accuracy and practicality of far-field radiation prediction.
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD

Method and device for testing transmitting capacity of antenna capable of eliminating fluctuation

PendingCN121750116ATransmitters monitoringRadiation-TotalEngineering
The invention relates to an antenna emission capability test method and device capable of eliminating fluctuation. Acquiring first radiation power of a standard antenna in the darkroom at a plurality of polarization angles; obtaining a first radiation power curve according to the first radiation power of each polarization angle; determining a target polarization angle and target radiation power corresponding to the target polarization angle according to the first radiation power curve; calculating a correction factor according to the theoretical radiation power and the target radiation power of the standard antenna; after the standard antenna in the darkroom is replaced by the tested antenna, obtaining second radiation power of the tested antenna at multiple polarization angles; correcting the second radiation power of each polarization angle according to the correction factor, smoothing the corrected second radiation power, and calculating the total radiation power of the tested antenna; and according to the total radiation power, determining whether the emission capability of the tested antenna reaches the standard. According to the method, fluctuation is eliminated, and the accuracy of antenna emission capability testing is improved.
Owner:POTIN(BEIJING)TECH CO LTD

Simulation detection method, electronic equipment and computer readable storage medium

The invention provides a simulation detection method, electronic equipment and a computer readable storage medium, and the simulation detection method comprises the steps: carrying out the optical simulation detection of a simulation battery structure, obtaining a plurality of photon absorption relationships, and enabling the photon absorption relationships to be in one-to-one correspondence with a plurality of light wavelengths adopted by the optical simulation detection; generating corresponding relation copies according to the multiple photon absorption relations; performing electrical simulation detection on the simulation battery structure according to the plurality of relation copies to obtain a plurality of total radiation composite values; determining an initial light intensity proportion corresponding to each relation copy; a reference value is obtained from the total radiation composite values, the final light intensity proportion corresponding to the remaining total radiation composite values is determined according to the reference value and the initial light intensity proportion, the light wavelength corresponding to the reference value is the reference wavelength, and the light wavelength corresponding to the remaining total radiation composite values is the wavelength to be measured; and calculating a corresponding external quantum efficiency (EQE) relative value according to the initial light intensity proportion of the reference wavelength and the final light intensity proportion of the wavelength to be measured.
Owner:LAPLACE RENEWABLE ENERGY TECH CO LTD

Early warning method for sudden power change of photovoltaic power station based on data of ground meteorological station

The invention discloses a photovoltaic power station power sudden change early warning method based on ground meteorological station data, and belongs to the technical field of solar power generation. The method comprises the steps of data reading and preprocessing, key index calculation, dynamic threshold reading, logic judgment, early warning information generation and release and historical data queue updating. The method comprises the following steps: regularly reading total radiation GHI and scattered radiation DIF data of an existing meteorological station of a photovoltaic power station, calculating a scattering proportion Kt and a total radiation decline rate R after preprocessing, and constructing a dual-condition judgment logic by combining dynamic thresholds Rth and Kth, rth and a scattering proportion change rate dKdt gt; and when Kth is greater than Kth, generating and issuing early warning information. Hardware does not need to be newly added, and the cost is low; the device is not influenced by severe weather and has high reliability; the algorithm is simple, and the response real-time performance is high; the early warning mechanism is clear, the accuracy is high, buffer time can be provided for power grid dispatching and energy storage adjustment, and the friendly grid connection characteristic of photovoltaic power generation is improved.
Owner:SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD