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213 results about "Radiometric data" patented technology

Unmanned aerial vehicle identification early warning method and system

The invention provides an unmanned aerial vehicle identification early warning method and system. The method comprises the following steps: acquiring RGB image data, thermal radiation data and spectral data of an unmanned aerial vehicle no-fly zone through a visible light camera, an infrared thermal imager and a multispectral imager; performing transmission preprocessing on the RGB image data, the thermal radiation data and the spectral data, and adaptively adjusting multi-level fusion of a fusion weight based on real-time environmental parameters to generate target fusion data; based on a deep learning model and a tracking prediction algorithm, performing unmanned aerial vehicle identification early warning on the target fusion data, and generating early warning data; and transmitting the target fusion data and the corresponding abnormal event log to a cloud server, and updating the deep learning model by adopting the target fusion data and the abnormal event log. Through cooperative work of a multi-mode sensor, visible light, infrared, multispectral and other wave bands are covered, all-weather and full-scene unmanned aerial vehicle detection is achieved, the fusion weight is adjusted in real time based on real-time environment parameters, and the accuracy of the recognition result under the complex air situation is ensured.
Owner:GLOBAL GENERAL AVIATION (HANGZHOU) CO LTD

Radioactive substance multi-point synchronous detection and identification method and system

The invention discloses a radioactive substance multi-point synchronous detection and identification method and system, and relates to the technical field of radioactive substance monitoring. Comprising the following steps: step 1, collecting multi-point radiation data in real time, and preprocessing and storing the data; step 2, constructing a spatial adjacency matrix, estimating a local spatial gradient, calculating an anomaly degree value, taking optimization measures, and performing collaborative anomaly evaluation on the monitoring nodes; 3, calculating a total fitting error value, reversely deducing a leakage source position and leakage intensity in real time, and taking corresponding measures in real time; 4, abnormal trend identification is carried out, an early warning judgment value is calculated, and graded early warning and multi-node cross confirmation measures are implemented; and 5, receiving and storing various types of data, carrying out visualized analysis on the data, and supporting event processing and feedback. The problems that due to the fact that some devices are good in shielding and have physical obstruction, trace leakage is difficult to detect by a single-point monitor, and the risk of long-term retention pollution exists are solved.
Owner:ZHEJIANG JUNAN INSPECTION & TESTING TECH CO LTD

Photovoltaic module hot spot detection system and method

The invention relates to the technical field of photovoltaic module detection, in particular to a hot spot detection system and method for a photovoltaic module. Comprises: a multispectral imaging module configured to synchronously collect image data of a photovoltaic module in a visible light band, a near-infrared band and a long-wave infrared band; the electroluminescence analysis module is in signal connection with the multispectral imaging module and is used for acquiring carrier recombination radiation data of the photovoltaic module in a reverse bias state; the dynamic threshold value processing module is configured to establish a dynamic correlation model of the environment parameters and the hot spot characteristic parameters; the three-dimensional reconstruction module is configured to perform spatial registration on the multispectral imaging data and the electroluminescence data and construct three-dimensional temperature field distribution of the photovoltaic module; the defect positioning module is configured to determine the accurate position of a hot spot according to temperature field distribution and carrier recombination characteristics; according to the scheme, a novel detection system architecture with multi-mode collaboration, high dynamic adaptability and three-dimensional analysis capability is constructed.
Owner:GUANGDONG YAOYANG NEW ENERGY CO LTD

Ultra-short-term prediction method and system based on satellite inversion technology

The invention relates to the technical field of prediction modeling, in particular to an ultra-short-term prediction method and system based on a satellite inversion technology, and the method comprises the following steps: obtaining satellite inversion earth surface solar incident radiation data and ground observation data, calculating the matching degree, classifying and extracting stability indexes according to meteorological conditions, and screening short-term prediction applicable data. An applicable radiation data set is obtained. According to the method, a stability index is calculated by using satellite inversion and ground observation matching degree, an error mapping relation is extracted by combining an error trend and probability density, data stability is enhanced, noise is reduced by numerical adjustment and smoothing processing, prediction continuity is improved, multi-mode meteorological data is fused, dynamic weight optimization is performed, and precision is improved. Photovoltaic prediction is combined with radiation characteristics, error adjustment and abnormity elimination are carried out to reduce extreme fluctuation, regional fragmentation is combined with error feedback to dynamically optimize prediction parameters, adaptability is enhanced, and timeliness and accuracy of short-term prediction are improved.
Owner:GUIZHOU QIANYUAN POWER CO LTD +1

High-resolution solar radiation data correction method and system based on deep learning

The invention discloses a high-resolution solar radiation data correction method and system based on deep learning, and the method comprises the steps: obtaining meteorological data and digital elevation model data, and carrying out the preprocessing; dynamically optimizing parameter configuration of the WRF model, and simulating and outputting high-temporal-spatial-resolution meteorological data as training data; fusing solar radiation flux values in meteorological reanalysis data and near-real-time product meteorological data as label data of a correction model; inputting the high-temporal-spatial-resolution meteorological data and the label data into a pre-constructed multi-scale feature fused deep residual coding and decoding network model for training, and obtaining an optimal parameter model based on multiple loop iterations; and correcting solar radiation flux data output by the WRF mode by using the optimal parameter model. According to the method, the problem that the radiation variable value output by the WRF in the traditional numerical weather mode is consistent with the real data trend but deviates is effectively solved, and the reliability of meteorological data simulation is enhanced.
Owner:GUIZHOU POWER GRID CO LTD

Method for evaluating and analyzing calibration performance of stationary satellite hyperspectral infrared detector

The invention discloses a calibration performance evaluation and analysis method for a stationary satellite hyperspectral infrared detector, and the method comprises the steps: firstly obtaining an ERA5 data set and L1-level observation data of the stationary satellite hyperspectral infrared detector, and inputting the data into a rapid transmission radiation model to obtain simulated radiation data; then comparing the simulated radiation data with L1-level observation data of a stationary satellite hyperspectral infrared detector, calculating systematic deviation and carrying out deviation analysis; and finally, performing cross matching verification on L1-level observation data of the stationary satellite hyperspectral infrared detector and observation data of the polar orbit satellite infrared atmospheric detection interferometer. On the basis of an atmospheric radiation model, more accurate and reliable calibration performance daily variation characteristics are provided to replace a calibration technology by using latest high-quality data and combining multi-source reference data, so that the defects of the prior art are effectively overcome, and the quality and the application effect of detection data are remarkably improved.
Owner:SUN YAT SEN UNIV

Earth surface solar radiation intelligent forecasting method based on satellite remote sensing

PendingCN121093260AWeather condition predictionBiological modelsTerrainGeosynchronous satellite
The invention discloses an intelligent earth surface solar radiation forecasting method based on satellite remote sensing, and belongs to the field of information technology and meteorological technology. The method comprises the following steps: S1, acquiring geostationary satellite observation data, satellite inversion earth surface solar radiation data and terrain factor data, and executing Z-score standardization processing; s2, performing dimensionality reduction on the standardized input sequence and the target data by using a pre-training auto-encoder to obtain latent variables of a historical sequence and a future cloud picture observation sequence; s3, inputting the dimension-reduced historical sequence into a conditional potential space diffusion model, modeling the historical satellite cloud picture sequence, and predicting a probabilistic potential variable of a cloud picture at a future moment; converting the solar radiation prediction result into a corresponding earth surface solar radiation prediction result through an inversion model; and S4, the self-encoder is adopted to perform dimension raising to obtain a final prediction result. According to the method, based on a frequency domain and space domain multi-modal feature adaptive fusion mechanism, while a complex cloud-radiation relation is modeled, predicted structural consistency and physical rationality of radiation intensity are kept.
Owner:SHANGHAI TYPHOON INST OF CHINA METEOROLOGICAL ADMINISTRATION (SHANGHAI INST OF METEOROLOGICAL SCI) +1

Multi-scale photovoltaic power prediction method and system fusing numerical weather forecast and physical information neural network

The invention provides a multi-scale photovoltaic power prediction method and system fusing numerical weather forecast and a physical information neural network, relates to the technical field of photovoltaic power prediction, and realizes rolling prediction of future meteorological parameters and horizontal radiation intensity through numerical weather forecast. The authenticity and the stability of the meteorological data are effectively improved by combining quantile mapping and cascade correction of the time sequence mode attention neural network; and through combined modeling of a physical information neural network and a time sequence characteristic network, meteorological and radiation data subjected to multi-level correction and conversion are deeply fused with a photovoltaic system physical law, and high-precision prediction of photovoltaic power is realized. The whole prediction process has automatic anomaly elimination and deletion complementation capabilities, the prediction robustness under complex meteorological conditions and extreme environments is enhanced, and the sequential response and physical consistency of photovoltaic power are optimized, so that the engineering applicability and intelligent level of the system are greatly improved.
Owner:NINGXIA UNIVERSITY +1

Visual monitoring method and device for electromagnetic radiation of base station

The invention provides a base station electromagnetic radiation visual monitoring method and device, and the method comprises the steps: determining a three-dimensional topographic map of a monitoring region, carrying out the electromagnetic radiation measurement of an actual geographic position corresponding to a preset collection point on the three-dimensional topographic map, and obtaining the actual measurement data; obtaining beam characteristic parameters of each base station and space coordinate data of the actual geographic position, and calculating predicted electromagnetic radiation data of the actual geographic position according to the electromagnetic radiation prediction model; correcting the model, and calculating electromagnetic radiation data of a target area on the three-dimensional topographic map based on actually measured electromagnetic radiation data and the corrected electromagnetic radiation prediction model; and visually displaying the actually measured electromagnetic radiation data of the preset acquisition point and the electromagnetic radiation data of the target area. Therefore, accurate monitoring and visual display of the electromagnetic radiation of the base station are realized, so that the accuracy and reliability of electromagnetic radiation evaluation are improved, and the overall change rule of the electromagnetic radiation value of each position in the whole monitoring area can be visually observed.
Owner:中国移动通信集团江西有限公司 +1

Broadband oscillation characterization platform of multi-chip power module and near-field feature evaluation method

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.
Owner:ZHEJIANG UNIV +1

Polar cloud mask quality inspection and correction method and equipment

The invention discloses a polar cloud mask quality inspection and correction method and device, and compared with the prior art, the method carries out the standardized grid projection of active and passive remote sensor data, and carries out the consistency evaluation of the data quality as the weight. Cloud mask quality inspection and correction between different active and passive remote sensing sensors are realized, the limitation that time-space matching needs to be performed one by one in traditional satellite remote sensing data fusion is broken, and a reliable cloud mask detection result is identified by using high precision of a laser radar and consistency of multiple passive satellites. And then the result is transmitted to radiation data for correction, so that the result is not influenced by different parameters among different satellite sensors, flexible adjustment can be performed according to output requirements of different data sources, spatial resolution and the like, and more comprehensive data support is provided for polar cloud mask product optimization. The method is helpful for improving cognition on scientific problems such as polar cloud radiation effect and polar climate change, and has important scientific research and application values.
Owner:NAT SATELLITE METEOROLOGICAL CENT

Ground surface downlink short wave radiation space downscaling method based on super-resolution reconstruction technology

The invention discloses an earth surface downlink short-wave radiation space downscaling method based on a super-resolution reconstruction technology, belongs to the technical field of meteorological data analysis, and solves the problems of insufficient solar radiation data space resolution and weak earth surface heterogeneity characterization capability in the prior art. Carrying out super-resolution reconstruction on the radiation data set by adopting a super-resolution combination model, and carrying out weighted fusion on a reconstructed data set output by the super-resolution combination model; according to the method, the output results of the multiple models are subjected to weighted fusion, weight optimization of the super-resolution sub-models is performed in combination with the high-resolution terrain factors, spatial downscaling from 5km to 1km resolution is finally realized, the spatial precision of the solar radiation data is remarkably improved on the basis of keeping the hour-level time resolution of the original data, and the accuracy of the solar radiation data is improved. And more earth surface heterogeneity information can be captured, and meanwhile, the high-time-resolution application requirement is met.
Owner:STATE QIHOU CENT +1

Multi-target path planning method and device, equipment and storage medium

The invention discloses a multi-target path planning method and device, equipment and a storage medium, and relates to the technical field of traffic path planning, and the method comprises the steps: obtaining solar radiation data and original map data, carrying out the multi-source data fusion based on the solar radiation data and the original map data, and obtaining the radiation road network data; based on the radiation road network data, a total cost function of the path length is constructed through an accumulated cost function of the path length and a heuristic function of the estimated cost, and candidate paths are generated according to the total cost function; on the basis of the radiation road network data, calculating the path average radiation intensity of the candidate path, and further obtaining the energy recovery amount of the candidate path; constructing a dual-target cost function based on the total cost function and the energy recovery amount, adjusting node priorities and screening and updating a non-dominated solution set according to the dual-target cost function, and generating a target candidate path set according to the non-dominated solution set; and determining an optimal balance path in the target candidate path set through multi-dimensional index quantitative evaluation and balance coefficient sorting.
Owner:JINAN UNIVERSITY

Multi-sensor data fusion method and system based on intelligent pod

The invention provides a multi-sensor data fusion method and system based on an intelligent pod. According to the method, a radiation data flow of an intelligent pod multispectral sensor in an electromagnetic interference field is collected; based on the data, the quantitative attenuation coefficient of the radiation value of each wave band in the interference field is calculated by using a radiation transfer equation. And generating a directional beam of the phased-array antenna by using the coefficient, and scanning a target area to obtain echo data. And finally, performing joint sparse representation on the original radiation data stream and the target echo data to generate a fusion result. The invention discloses multi-sensor data fusion based on an intelligent pod. According to the method, the anti-interference wave beam scanning target is dynamically generated by quantifying the attenuation of electromagnetic interference on radiation of each wave band, and the sensing performance of the intelligent pod in a complex electromagnetic environment is improved by combining the joint sparse representation and fusing the multi-source data.
Owner:LUSTER LIGHTWAVE CO LTD

Valley fan-based wind speed prediction method

The invention provides a wind speed prediction method based on a valley fan, and relates to the field of wind speed monitoring, and the method comprises the steps: data collection: collecting historical meteorological data of a valley, the historical meteorological data comprises air pressure, temperature, humidity, wind direction, wind speed and solar radiation data, and collecting data at the same time interval; the beneficial effects of the invention are that the method is specially designed for the unique wind regime characteristics of the valley region, comprehensively considers the topographic data and various meteorological factors of the valley, such as air pressure, temperature, humidity, wind direction and the like, and employs advanced data processing and feature extraction technologies, thereby achieving the real-time monitoring of the valley region. According to the method, the complex change rule of the wind speed of the valley fan can be more accurately captured through the effective learning of the LSTM on the time sequence features and the CNN on the spatial features in the deep learning model, compared with a traditional prediction method, the prediction error is remarkably reduced, and more reliable data support is provided for the stable operation and efficient management of a wind power plant.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Atmospheric water vapor detection method and system based on satellite

The invention provides an atmospheric water vapor detection method and system based on a satellite, and relates to the technical field of satellite remote sensing, and the method comprises the steps: obtaining satellite remote sensing data and solar radiation angle data of a target area; performing correction processing according to the satellite remote sensing data and the solar radiation angle data to obtain corrected radiation data; establishing an atmospheric radiation transmission model according to the corrected radiation data, and generating radiation simulation data; performing water vapor inversion processing according to the radiation simulation data, and calculating to obtain vertical distribution data of water vapor in the atmosphere; and performing three-dimensional interpolation processing according to the vertical distribution data to obtain three-dimensional hierarchical water vapor monitoring data. According to the method, the radiation error in the satellite remote sensing data is corrected by using the solar radiation projection model, so that the radiation error problem caused by ground reflection and the sunlight angle is solved; morphological prediction is carried out on the missing area through a topology analysis technology, fitting filling is carried out in combination with neighborhood water vapor data, and the accuracy and reliability of a monitoring result are improved.
Owner:SINOGNSS TECH LTD

Nuclear radiation detection management system based on artificial intelligence

The invention relates to the technical field of nuclear radiation detection management, and discloses a nuclear radiation detection management system based on artificial intelligence, comprising: a dynamic sensing module which detects nuclear radiation through quantum sensing to obtain radiation data, captures NV color center fluorescence intensity, analyzes to obtain gamma ray dose rate, constructs a nanoscale olfactory receptor simulation structure, and sends the radiation data to a control module; radioactive gas is detected and cooperatively monitored; the reasoning calculation module is used for analyzing space-time correlation based on radiation data, optimizing algorithm to accelerate result output, adjusting calculation complexity by calculating dynamic weight distillation, and correcting data transmission in real time; the decision management module is used for constructing a four-dimensional causal graph based on the radiation data, performing intervention simulation, evaluating a decision long-term effect, screening an optimal decision, and performing adversarial training based on historical repair case data; and the fusion cooperation module is used for establishing a cross-mechanism federated learning framework, carrying out hash operation on the radiation data, and establishing an NFT (Network Fourier Transform) on a block chain through an intelligent contract for query, verification and transaction.
Owner:SHAANXI QINZHOU NUCLEAR & RADIATION SAFETY TECHNONLOY CO LTD

Solar radiation forecasting method fusing decomposition algorithm and GraphCast model

The invention discloses a solar radiation forecasting method fusing a decomposition algorithm and a GraphCast model, and relates to the technical field of solar radiation forecasting. Comprising the following steps: acquiring meteorological variable data in an ERA5 reanalysis open source database; preprocessing the data to obtain meteorological variable data conforming to the input format of the GraphCast model; a GraphCast model is constructed to carry out weather forecast; acquiring actually measured meteorological variable data and solar radiation data of a certain region site; through an XGBoost feature screening algorithm, meteorological variables with high importance relative to solar radiation are screened out; preprocessing the screened meteorological variables by using a VMD decomposition algorithm, and constructing a training set and a test set by using the preprocessed data; taking actually measured solar radiation as a label of the model, and performing training optimization on the RF model by using data of the training set; and on the basis of a GraphCast coupling VMD decomposition algorithm hybrid RF model, solar radiation is predicted according to meteorological data of a test set. According to the invention, solar radiation forecasting with higher precision can be achieved.
Owner:NANCHANG INST OF TECH

Hyperspectral remote sensing image generation method and device based on three-dimensional scene radiation simulation

The invention provides a hyperspectral remote sensing image generation method and device based on three-dimensional scene radiation simulation, relates to the technical field of remote sensing data processing, and aims at solving the technical problems that in the prior art, hyperspectral remote sensing image data acquisition cost is too high, data sources are few, and the resolution is low. The method comprises the following steps: determining three-dimensional scene data according to a user demand; inputting the three-dimensional scene data into a pre-constructed hyperspectral imaging simulation model, and executing the following operations: based on a global coordinate system, starting from an original point, and emitting randomly distributed light to a three-dimensional scene object through a virtual imaging plane, the three-dimensional scene object being used for simulating optical response of a real ground object structure after light incidence; determining an intersection point of each light ray and the three-dimensional scene object; according to the geometric information and the material information corresponding to the intersection point, combining atmospheric radiation parameters, calculating radiation information of light and radiation data of an entrance pupil of the remote sensor; and generating a hyperspectral remote sensing picture according to the radiation data at the entrance pupil.
Owner:AEROSPACE INFORMATION RES INST CAS

Electric power intelligent monitoring system based on multi-device cooperative linkage and operation and maintenance method

The invention discloses an electric power intelligent monitoring system based on multi-device cooperative linkage and an operation and maintenance method, and belongs to the technical field of electric power intelligent monitoring and operation and maintenance. Radiation data and historical decay records are collected through a sensor, a linear regression algorithm is adopted to fit and establish an energy spectrum purity attenuation model, and the dose loss proportion is calculated in real time; carrying out dynamic compensation on beam intensity and irradiation time based on the proportion, fusing real-time dose monitoring data by utilizing a Kalman filtering algorithm, and optimizing a beam intensity value to suppress noise interference; the irradiation time is further adjusted according to whether the dose loss exceeds a threshold value or not, and a dynamic compensation combination is formed; the effectiveness of the combination in each stage of the source life cycle is verified through the simulation module, and the verified compensation parameters are updated to the control system in real time, so that closed-loop regulation and control are realized. According to the invention, the whole process of dose output in the irradiation process is accurately and stably controlled, and the consistency and reliability of the irradiation process are remarkably improved.
Owner:NANJING ABES INFORMATION TECH CO LTD

Resource evaluation method and system based on multi-landform feature correction

The invention discloses a resource evaluation method and system based on multi-landform feature correction, which remarkably improves the accuracy of wind speed and solar radiation data by combining physical constraint correction and machine learning methods, and particularly improves the accuracy of the wind speed and solar radiation data under the conditions of complex terrains and multiple earth surface types. The problem of systematic errors existing in ERA5 reanalysis data in the prior art is solved. Specifically, through elimination of invalid values of radiation data at night and correction of wind speed data based on surface roughness, deviation caused by factors such as terrain shielding, vegetation canopy reflectivity and urban building group wind resistance effect is effectively eliminated. The ERA5 data is trained and optimized by using a machine learning model such as a random forest, so that the wind speed and radiation data at different geographic positions, seasons and time periods can be more accurately corrected, and the corrected data is more in line with an actual observation result.
Owner:HUBEI PROVINCIAL METEOROLOGICAL SERVICE CENT (HUBEI PROVINCIAL PROFESSIONAL METEOROLOGICAL SERVICE DESK)

Energy System Scheduling Using Consumption and Production Prediction

Lowest cost usage scheduling of an energy system during a time interval of interest is achieved by utilizing two components of learning and optimization. First, several learning methods are used to forecast energy production and if needed energy consumption of a given group of energy components as a function of historical production data, weather, and solar irradiance data collected from weather and geo reports. A classification approach is used to select the learning model. A classification approach is used to select the learning model and approach. Then, an optimization problem is formulated and solved to create the optimal schedule of energy usage during time intervals of interests for the given group of energy components subject to scheduling and equipment constraints. Accordingly, integrated iterative methods, programs, and systems are described aiming at minimizing the cost of energy consumption for the given group of energy components within time intervals of interest.
Owner:YOUSEFIZADEH HOMAYOUN +1

Radiotherapy radiation dose detection device and detection method based on multi-sensor fusion

The invention relates to the technical field of quality control detection, in particular to a radiotherapy radiation amount detection device and method based on multi-sensor fusion, and the device comprises a data obtaining module which obtains the state information of the connection between a functional plug-in and a detection base, and a data processing module which obtains the state information of the connection between the functional plug-in and the detection base and obtains the state information of the connection between the functional plug-in and the detection base, determining first space attitude information of each functional plug-in relative to the detection base; the global space attitude determination module is used for determining global space attitude information of each functional plug-in in a radiotherapy coordinate system based on the first space attitude information and second space attitude information of the detection base; the multi-dimensional radiation data detection module is used for synchronously acquiring multi-dimensional radiation detection data from each functional plug-in based on global space attitude information in the process of executing radiotherapy irradiation; according to the invention, through combined sensing formed by the micro displacement sensor and the inertial measurement unit, real-time accurate measurement and dynamic compensation of the spatial attitude of each functional plug-in are realized.
Owner:SICHUAN CANCER HOSPITAL

Radioactive operation safety assessment and warning system for nuclear medicine medication nursing

The invention provides a radioactive operation safety assessment and warning system for nuclear medicine medication nursing, and the system comprises a data obtaining and processing module which is used for deploying a space monitoring network and detecting radiation data; the real-time radiation monitoring module is used for collecting operation behavior data and dose data in real time and carrying out abnormal operation identification and risk scoring; the intelligent prediction and evaluation module is used for constructing a risk prediction model and carrying out risk prediction on the real-time data to obtain a predicted risk level; the operation safety evaluation module is used for automatically calculating the safety score of the operation and generating a safety evaluation report; and the diversified intelligent warning module is used for calculating a comprehensive score and carrying out graded sound-light alarm. Through efficient and real-time data monitoring and intelligent and accurate risk assessment and operation safety assessment, the risk of radioactive exposure in nuclear medicine medication nursing can be effectively reduced, the safety of medical staff and patients is guaranteed, and the scientificity and normalization of medical operation are improved.
Owner:江西省肿瘤医院(江西省第二人民医院 江西省癌症中心)

Intelligent analysis system for nuclear radiation data

The invention relates to the technical field of nuclear radiation monitoring, in particular to an intelligent analysis system for nuclear radiation data, which comprises an acquisition planning module, a radiation intensity monitoring module, a sensor adjusting module, a radiation source positioning module and a radiation data processing module. According to the invention, the sensitivity and sampling frequency of the nuclear radiation sensor are intelligently adjusted by combining factors such as water flow velocity and temperature so as to cope with different environmental conditions and ensure the stability and accuracy of radiation data, and high-quality radiation monitoring data can be provided in a complex marine environment. Strong support is provided for accurate evaluation of a nuclear radiation source and analysis of the radiation quantity of marine products, the limitation of a traditional static monitoring technology is effectively overcome through real-time cooperation of the sensor and the unmanned ship, the response speed and precision of data acquisition are improved through continuous tracking and optimization of sensor configuration, nuclear pollution events can be rapidly coped with, and the real-time performance of the system is improved. And the radiation source position is updated in real time.
Owner:NANTONG CENT FOR DISEASE CONTROL & PREVENTION

Efficiency adaptation method applied to stratosphere solar communication unmanned aerial vehicle

According to the efficiency adaptation method applied to the solar communication unmanned aerial vehicle in the stratosphere, collaborative optimization of energy management and communication service of the solar unmanned aerial vehicle in the stratosphere environment is achieved by constructing a dynamic solar radiation database, predicting communication load and setting a dynamic threshold value and a multi-objective optimization mechanism. The method has the capability of responding to solar radiation fluctuation and communication load change in real time, effectively avoids the problems of misalignment of electric quantity management and interruption of a communication link, and remarkably improves the cruising ability and task reliability of the unmanned aerial vehicle. Meanwhile, according to the method, through a data-driven closed-loop optimization mechanism, the energy utilization efficiency and the communication quality are both considered, and the method has good practicability and popularization value.
Owner:HARBIN ENGINEERING UNIVERSITY SANYA NANHAI INNOVATION & DEVELOPMENT BASE

Ground surface short-wave radiation product production and long-short-term memory network training method and device

The invention discloses an earth surface short-wave radiation product production method and device and a long-short-term memory network training method and device, and relates to the technical field of aerospace, and a specific implementation scheme is as follows: extracting a first short-wave radiation data set and a second short-wave radiation data set which are aligned in time from first earth surface short-wave radiation data collected by a satellite; acquiring a photovoltaic short-wave radiation data set which is acquired by a ground photovoltaic radiometer and is aligned with the first short-wave radiation data set in time; determining an albedo data set based on the satellite albedo product and the surface land cover product; obtaining an input short-wave radiation data sequence based on the first short-wave radiation data set, the second short-wave radiation data set, the albedo data set, the photovoltaic short-wave radiation data set and the ground photovoltaic radiometer coordinate vector point; inputting the input short-wave radiation data sequence into a pre-trained long short-term memory network to obtain an initial earth surface short-wave radiation product; and obtaining a target earth surface short-wave radiation product based on the initial earth surface short-wave radiation product.
Owner:BEIJING SKYSIGHT TECHNOLOGY CO LTD +1

Solar radiation intensity short-term prediction method, device, equipment and storage medium

The invention discloses a solar radiation intensity short-term prediction method, device and equipment and a storage medium. The method comprises the following steps: in historical meteorological element reanalysis data and historical satellite observation data, matching target reanalysis data and target satellite observation data corresponding to a ground station based on position information of the ground station; training the short-term radiation prediction model based on the target reanalysis data, the target satellite observation data and the historical real solar radiation data to obtain a trained short-term radiation prediction model; and based on the current surface meteorological element data, the current satellite observation data and the trained short-term radiation prediction model, predicting the solar radiation intensity of the ground station in a future short term to obtain a prediction result. According to the technical scheme, the prediction precision and accuracy of the solar radiation intensity in a short period can be improved, so that the corresponding solar resources can be accurately predicted, a solar power station is better helped to perform reasonable scheduling, and the power generation efficiency is improved.
Owner:INFORMATION & COMM BRANCH OF STATE GRID JIANGSU ELECTRIC POWER

Sub-terahertz inversion imaging method and system for metasurface

The invention discloses a super-surface sub-terahertz inversion imaging method and system, and relates to the field of multi-dimensional electromagnetic imaging. The problems of view field mismatching, output delay, large-size imaging and the like existing in a directional aperture sharing TR framework of an existing APCI based on the metasurface are solved, synchronous extraction of sub-terahertz frequency band active scattering and passive radiation data is achieved through spatial staggered layout and related average processing technologies, and the system has the advantages that the system is simple in structure and convenient to operate, and the system is easy to popularize and use. And a solution is provided for single-region information decoupling and multi-target fusion imaging. The highly integrated and high-throughput sub-terahertz APCI technology promotes the development of the detection system towards the direction of miniaturized deployment and real-time data reading. Besides, a non-imaging security check scheme is also introduced, non-interactive autonomous identification and hidden monitoring of hidden objects in public scenes are realized, and the method is also suitable for the application fields of aircraft navigation positioning, abnormity monitoring, non-interactive hidden security check and the like.
Owner:HARBIN INST OF TECH

Radiation dosimetry method

ActiveUS12578489B2Raman scatteringChemical dosimetersNuclear engineeringCalibration curve
Methods and computing apparatus for implementing a radiation dosimetry process. An example process may include exposing a first radiation sensitive film to a series of known doses of radiation, measuring a first set of radiation data with a measurement device, and determining a calibration curve. The calibration curve may be determined by selecting Raman spectral ranges based on the first set of radiation data, determining a plurality of band area ratios, and generating the calibration curve based on plotting the band areas and ratios compared to known dose. The radiation dosimetry process then exposes a second radiation sensitive film to an unknown dose of radiation, measures a second set of radiation data for the second radiation sensitive film with the measurement device, and determines a dose exposure level for the second radiation sensitive film by comparing the second set of radiation data with the calibration curve.
Owner:ISP INVESTMENTS LLC