59 results about "Radiation level" patented technology

The embodiment of the invention provides a dual-polarization indoor distribution antenna, and belongs to the antenna communication equipment technology, the dual-polarization indoor distribution antenna comprises a vertical polarization radiation unit and a horizontal polarization radiation unit, the vertical polarization radiation unit comprises a grounding plate and a conical radiation oscillator arranged on the grounding plate, the conical radiation oscillator is used for being excited to radiate vertical polarization electromagnetic waves; the horizontally polarized radiation unit comprises a plurality of radiation subunits, the plurality of radiation subunits are sequentially arranged around the peripheral side of the conical radiation oscillator, a radiation gap is formed between every two adjacent radiation subunits, and the radiation gaps are used for being excited to radiate horizontally polarized electromagnetic waves; the orthographic projection of the radiation subunit on the grounding plate is located in the grounding plate. According to the dual-polarization indoor distribution antenna provided by the embodiment of the invention, broadband coverage can be realized, and the multi-band requirement of an indoor communication system is met.

The invention discloses a transmitting power configuration method and device, equipment, a storage medium and a product, and relates to the technical field of communication, and the method comprises the steps: determining a unified upper limit transmitting power according to a target overall electromagnetic radiation level value and a total number; generating a target power coordination strategy of each antenna according to the current application scene; and adjusting the unified upper limit transmitting power according to each power coordination strategy, and configuring the adjusted upper limit transmitting power for the corresponding antenna. Through the mode, the unified upper limit transmitting power is determined according to the target overall electromagnetic radiation level numerical value and the total number, and then the target power coordination strategy is generated according to the current application scene, so that an isolation decision mode among the communication units in the target communication module is broken, unified power management among the multiple communication units is realized, and the communication efficiency is improved. And then the adjusted upper limit transmitting power is configured for the corresponding antenna, so that the transmitting power configuration accuracy can be effectively improved, and the dual requirements of communication experience and compliance are ensured.

The invention belongs to the technical field of nuclear facility decommissioning and three-waste treatment, and particularly relates to an automatic laser decontamination system and method for polluted metal waste of a nuclear power plant. The decontamination / cutting workbench is transferred to all stations and an operation table through a transfer trolley; the operation table is used for controlling the transfer of the transfer trolley, controlling the operation of the workpiece turnover device, measuring the size of a to-be-decontaminated item and measuring the surface contamination level and radiation level of the to-be-decontaminated item before and after decontaminating; and the controller is used for recording a measurement result, presetting cutting parameters and decontamination process parameters of a to-be-decontaminated item, and controlling the laser cutting device, the laser cleaning device and the laser stripping device to carry out laser cutting and automatic laser decontamination operation. According to the invention, the labor intensity of personnel can be effectively reduced, the exposure dose of the personnel is reduced, the decontamination working efficiency is improved, waste degradation or clean control of surface polluted metal waste is realized, and waste minimization is further realized.

This application provides a communication method, apparatus, storage medium, and computer program product. The communication method includes: in response to the influence of the Maximum Allowable Radiation Level (MPE) on a terminal device, recording radiation impact information caused by the MPE; receiving a first Radio Resource Control (RRC) reconfiguration message from a source base station; recording a measurement report from the terminal device; and sending the measurement report and the radiation impact information to the source base station. Using this application embodiment can reduce the impact of MPE on mobility and improve the handover success rate.

This invention relates to the field of radiation early warning technology, specifically to an early warning system for the radiation impact on the environment surrounding a proton therapy system. The system includes a radiation monitoring data acquisition module, a radiation spatial distribution generation module, a radiation risk level determination module, a radiation leakage analysis module, a dynamic risk information notification module, and a treatment optimization suggestion module. In this invention, by real-time monitoring and data integration of the radiation monitoring environment, the response speed and accuracy of radiation safety early warning are improved. By utilizing spatial data and radiation intensity information, a detailed radiation distribution map can be constructed, making risk assessment more intuitive and easier to understand. Accurate assessment of radiation risk allows for specific and targeted protective measures, and potential leakage points are classified according to radiation level deviations. Dynamic notification of risk information ensures that treatment personnel receive critical safety alerts in a timely manner, optimizing the treatment process and reducing the radiation risk to patients.

A system for monitoring ultraviolet (UV) exposure of a wearer. The system comprises a wearable device operable to sense UV radiation levels to which the wearer is exposed, and to transmit UV radiation information. The system further comprises an external computing device in remote communication with the wearable device, operable to receive the UV radiation information from the wearable device and configured to determine the wearer's real-time UV index value and the wearer's daily cumulative percentage of minimal erythema dose based upon the UV radiation information.

Interstitial brachytherapy is a cancer treatment in which radioactive material is placed directly into target tissue at the affected site using a afterloading machine. The accuracy of this placement is monitored in real time using a catheter, which positions the radioactive material based on radiation levels measured by sensors embedded in the catheter wall. A scintillator embedded in the catheter wall produces light when irradiated with the radioactive material. This light is proportional to the radiation level at each location. The light produced by each scintillator is transmitted via optical fiber and then converted into an electrical signal proportional to the light and radiation levels at each location. The location of the radioactive material is determined based on multiple electrical signals. This location can be used as quality control feedback to the afterloading machine.

Effective radioactive waste management will be implemented to ensure that radiation levels do not harm the environment or all forms of living organisms. [Solution] An apparatus and method positioned in close proximity to a radiation source to receive radiation from a radioactive material and configured to return the received radiation back to the source comprises at least one reflective means that partially reflects radiation, thereby effectively reducing the leakage of radiation emitted from the radiation source.

The double-station radioactive filter element transfer device comprises a vehicle body, a winding device, a three-jaw automatic centering mechanism and a corrugated pipe sealing sleeve, a shielding case is installed on the vehicle body, and a shielding door is formed in the side face of the shielding case; the interior of the shielding cover and the vehicle body are divided into a first station and a second station, the first station and the second station both comprise round holes formed in the vehicle body, and cover plates are arranged on the round holes; a shielding cylinder is arranged at the position corresponding to the first station. The transferring method comprises the following steps that S1, the shielding cover plate and the shielding plug are hoisted; the new filter element is transferred to a station II; s2, grabbing an old filter element; and S3, replacing the old filter element with a new filter element. By adopting a double-station method, aerosol of the pit filter can be prevented from overflowing in the replacement process, the radioactive sealing containing boundary of the pit filter is guaranteed, the filter element can be rapidly replaced, the shielding cylinder is shielded by a lead layer, and it is guaranteed that the radiation level of personnel is controllable.

The invention relates to the technical field of radiation detection, and particularly discloses a patrolling device for hospital radiation health protection detection, which comprises a detection shell, a radiation detection module, an airborne radioactivity monitoring module, a man-machine interaction module and a control unit are integrated in the detection shell, and the airborne radioactivity monitoring module comprises a detection fan and a specially designed air duct. A cyclone effect can be generated to enrich aerosol, and the control unit adaptively adjusts the rotating speed of the fan according to the real-time radiation level and controls the display light bar and the vibration module to provide visual and tactile alarms matched with the risk level and direction; by arranging the speed-adjustable detection draught fan and the cyclone separation structure, the airflow speed can be dynamically adjusted according to the radiation level, selective enrichment of airborne radioactive substances is achieved, the centrifugal enrichment effect is enhanced by increasing the wind speed under the low-concentration condition, and the detection sensitivity and response speed of equipment to airborne radioactivity are remarkably improved.

The invention discloses a nuclide treatment patient excrement intelligent collection and radiation shielding system and method, and relates to the technical field of nuclide treatment, and the system comprises a data collection module which collects the excrement data of a patient, detects and records the nuclide information in the excrement of the patient, and carries out the data preprocessing; the nuclide analysis module is used for carrying out nuclide type and content analysis on the collected excrement data and outputting a nuclide analysis result; the intelligent collection module intelligently adjusts the working state of the excrement collection system according to the nuclide analysis result; the radiation shielding module is used for shielding radiation generated in the excrement collection process; and the real-time monitoring module feeds back radiation level, excrement amount and nuclide content data in real time. Through intelligent data analysis and real-time feedback, the nuclide type, concentration and radiation level in excrement are monitored, the safety standard is ensured, the container capacity and the collection speed are automatically adjusted, waste is avoided, and the efficiency is improved.

The utility model discloses an annular shielding device for a high-radiation horizontal pipeline, relates to the technical field of ionizing radiation shielding, and is used for solving the problem that the high-radiation horizontal pipeline needs to be quickly shielded in a small-range space. The pipeline annular shielding device comprises a flexible shielding body, the flexible shielding body is filled with flexible radiation protection shielding materials, a hook side of a hook-and-loop fastener is designed at one end of the inner surface of the flexible shielding body, and a fine brush of the hook-and-loop fastener is designed on the outer surface of the other end of the flexible shielding body. The flexible shielding bodies are connected end to end, the hook sides of the hook-and-loop fasteners are adhered to the fine hairbrushes of the hook-and-loop fasteners to form an annular closed body, and pipelines with different pipe diameters are shielded according to different adhering positions between the hook sides of the hook-and-loop fasteners and the fine hairbrushes of the hook-and-loop fasteners.

The application discloses a radiation level monitoring method and system, an electronic device and a storage medium. The method comprises the following steps: collecting first radiation data through a preset radiation monitoring sensor; performing data dimension reduction processing on the first radiation data through a feature dimension reduction model to obtain second radiation data; the feature dimension reduction model comprises a boundary smoothing-based autoencoder; performing data augmentation on the second radiation data through a preset generative adversarial network model to obtain third radiation data; the preset generative adversarial network model comprises a quantum state-based generative adversarial network model; performing model training on a preset monitoring model through a federated learning architecture according to the third radiation data to obtain a target radiation monitoring model; inputting to-be-analyzed radiation data into the target radiation monitoring model for radiation level analysis to obtain a radiation level monitoring result. The embodiment of the application can effectively alleviate the data privacy risk problem and improve the accuracy of radiation level monitoring. The application can be widely applied to the technical field of monitoring.

The application relates to an oral X-ray machine room for a residential building and a design method, a fixed machine room, a closed space composed of M installation surfaces, an oral X-ray machine is internally installed, wherein M is a positive integer, and M is greater than or equal to 6; a partition plate is arranged in the fixed machine room, is parallel to the installation surface, and is spaced apart from the installation surface by at least a distance of a meters, the interval between the partition plate and the installation surface forms a partition layer, wherein a is a natural number greater than or equal to 1; a detection port is arranged on the installation surface and is communicated with the partition layer and the outside of the fixed machine room, and is used for detecting the radiation level in the partition layer through the detection port. The application solves the technical problem that the oral clinic is difficult to normally operate due to the fact that neighbors in the residential building do not cooperate with the radioactive examination.

1. The name of the design product: ionizing radiation dose alarm. 2. The use of the design product: the design product is based on single-chip microcomputer technology, used for real-time monitoring of ionizing radiation (such as X-rays, gamma rays, beta rays, etc.) dose, and issuing an alarm when the radiation level exceeds the preset threshold. It is a portable instrument for ensuring the safety of personnel in a radiation environment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a decontamination shielding system, a using method thereof and a manufacturing method of a shielding structure. According to the decontamination shielding system, the movable decontamination device provides a decontaminant for decontamination of the radioactive hotspot interception device, the purification and filtration device purifies and filters hotspots washed out by the radioactive hotspot interception device, the shielding structure effectively shields a bent pipeline, and the movable decontamination device, the purification and filtration device and the shielding structure achieve a synergistic effect; the decontamination effect and the shielding performance can be obviously improved. The manufacturing method of the shielding structure is scientific and reasonable, and the quality and performance of the shielding structure are ensured. The use method of the system is simple and convenient, the operability is high, the radiation level of the radioactive hot spot interception device can be effectively reduced, and safe operation of nuclear industry production is guaranteed.

The present application relates to the technical field of nuclear power plants, and particularly relates to a radiation signal monitoring apparatus and method for a nuclear power plant, and an electronic device and a storage medium. The radiation signal monitoring apparatus for a nuclear power plant in the embodiments of the present application comprises a power supply module, a radiation detector, a processing control module, a monitoring indication module and an integrated module, wherein the radiation detector is divided into a low-dose detection branch and a high-dose detection branch, which are respectively equipped with corresponding sensitive elements and signal conditioning modules, so as to adapt to radiation environments having different dose rates; the processing control module is responsible for selecting an appropriate detection branch on the basis of a radiation level, and generating a monitoring indication signal; and the monitoring indication module receives the signals and executes a monitoring response operation. By means of the unified management by an integrated module, effective monitoring of wide-range radiation signals is realized without significantly increasing the complexity and cost of a system. In this way, radiation signals within a relatively wide range can be effectively collected without significantly increasing the complexity and cost.

A method and a video capturing system for controlling at least one infrared (IR) illumination source, illuminating an area captured by a camera, the method comprising modulating emission from the IR illumination source between first and second emission intensities at a first frequency during a first predetermined time period. Upon capturing images using an image sensor of the camera during the first predetermined time period, determining a radiation level indicator for each of a plurality of images captured by the image sensor. Further, evaluating a sequence of determined radiation level indicators to determine whether a frequency resulting from the modulated emission at the first frequency is detected in the sequence of radiation level indicators. If the frequency resulting from the modulated emission at the first frequency is determined as not detected in the sequence of radiation level indicators, the IR illumination source is stopped.

Examples disclose a method, performed by a backscatter signal receiving node of a communication network, for receiving and decoding a backscatter signal produced by a wireless backscatter device by modulating incoming radiation, wherein the communication network comprises a plurality of nodes, including the backscatter signal receiving node and an emitter node, communicating in accordance with a predefined protocol, the method comprising upon an ambient radiation at the wireless backscatter device being insufficient for the backscatter signal receiving node to receive and decode the backscatter signal, sending, by the backscatter signal receiving node to the emitter node, a message triggering the emitter node to emit radiation that will increase a radiation level at the wireless backscatter device. Further examples disclose a method performed by the emitter node. Moreover, examples disclose a backscatter signal receiving node and an emitter node.

The utility model relates to the technical field of anti-radiation shielding, in particular to an anti-radiation shielding device of medical imaging equipment. The utility model provides an anti-radiation shielding device for medical imaging equipment, which can give an alarm prompt when detecting that the radiation level exceeds a preset value, is convenient for related personnel to take actions quickly, and reduces potential radiation hazards to the greatest extent. An anti-radiation shielding device of medical imaging equipment comprises a mounting frame, an anti-radiation plate and the like, and the mounting frame is connected with the anti-radiation plate. The radiation level in the environment is monitored in real time through the radiation detector, once the detected radiation level exceeds a preset safety threshold value, the alarm lamp is immediately started to send visual and sound alarm signals to on-site personnel, and the purpose of giving an alarm prompt when the detected radiation level exceeds the preset value is achieved. Related personnel can take actions rapidly and conveniently, and potential radiation hazards are reduced to the maximum extent.

This invention provides a method for dismantling nuclear reactor equipment that improves the efficiency of sorting and managing metal powder generated during dismantling and tools used in dismantling, while also preventing sorting errors. [Solution] The method for dismantling a nuclear reactor facility includes the steps of: preparing a plurality of types of containers separated according to the radiation level of the contents; cutting an object to be cut located inside the containment vessel to generate cutting pieces; placing the cutting pieces into containers selected from the plurality of types of containers according to the radiation level of each cutting piece; and placing at least one of the metal powder generated when the cutting pieces were produced and the tools used to produce the cutting pieces into a container capable of accommodating the cutting piece with the highest radiation level.

The application discloses a microwave wireless transmission energy active phased array transmitting antenna modular design method, and the method comprises the following steps: obtaining a highest radiation level constraint outside a receiving area, an aperture field amplitude distribution function of a transmitting antenna with a maximum beam collection efficiency as a target; designing physical size and arrangement mode of a subarray, establishing a radiation model of the subarray, and obtaining subarray excitation coefficients according to the physical size and the arrangement mode and the aperture field amplitude distribution function; classifying the subarrays based on the subarray excitation coefficients, dividing each class of subarrays into a module, and calculating module excitation coefficients; and optimizing the module excitation coefficients to maximize the beam collection efficiency while suppressing the highest radiation level of the radiation model radiated to the outside of the receiving area. The application reduces the engineering implementation difficulty and manufacturing cost of the transmitting antenna under the condition of meeting high transmission efficiency, and the active phased array transmitting antenna with high beam collection efficiency, high safety and low cost can be effectively designed by the method.

The application relates to a radioactive waste classification method, device, equipment, storage medium and program product. The method comprises the following steps: detecting a first surface radiation level of target radioactive waste to be classified, and performing first classification on the target radioactive waste according to a comparison result of the first surface radiation level and a first surface radiation level threshold value, so as to determine an initial waste type of the target radioactive waste, wherein the initial waste type comprises a suspected extremely low level type and a low level type. If the initial waste type is the suspected extremely low level type, second classification is performed on the target radioactive waste according to a radioactive substance radiation decay rate of the target radioactive waste, so as to determine a decay type of the target radioactive waste. Third classification is performed on the target radioactive waste according to the decay type of the target radioactive waste, so as to determine a final waste type of the target radioactive waste, wherein the final waste type comprises an extremely low level type and a low level type. The classification result obtained by the method is more accurate.

The invention discloses a multi-source data-based smoke furnace rainfall enhancement operation condition discrimination method and system, and the method comprises the steps: obtaining the multi-source meteorological data and rainfall enhancement indexes of a preset smoke furnace, obtaining the cloud cover and cloud conditions based on the multi-source meteorological data, effectively raising the wind speed and the conveying wind direction, and obtaining the rainfall enhancement operation condition of the preset smoke furnace. The method comprises the following steps: acquiring atmospheric stability of a cloud region based on a solar radiation level, a cloud amount and a horizontal wind speed component of three-dimensional wind speed data, predicting a space-time point location of a low cloud cluster arriving at an operation hillside according to atmospheric stability grading based on a cloud region image, performing space overlapping calculation on a transmission wind direction and the space-time point location, and obtaining a target precipitation enhancement region. And the lifting efficiency is calculated according to the effective lifting wind speed and the smoke release amount, and the operation conditions of the target precipitation increasing area are judged based on the lifting efficiency, the atmospheric stability, the cloud amount and the cloud thickness. According to the method, the atmospheric stability and the operation cloud condition are used for comprehensively judging the operation condition of smoke furnace precipitation enhancement, the precipitation enhancement operation precision is improved, and meanwhile good interpretability is achieved.

The invention relates to the technical field of radiation detection, in particular to an intelligent bracelet type radiation monitoring method and system, and the method comprises the following steps: installing a radiation detector in intelligent bracelet type equipment, continuously monitoring the radiation level in an environment, converting detection data into a digital signal through analog, analyzing the fluctuation range of the data, and obtaining a radiation data set. According to the method, the distance of the radiation source is estimated by constructing the attenuation model, more specific environment information and an instant monitoring and alarm mechanism are provided, and remarkable improvement, classification of radiation levels and estimation of the distance of the radiation source are provided in the aspects of real-time performance and personalized safety management, so that a user can know the radiation environment where the user is located more accurately, and the user experience is improved. And the design of the built-in reflective lead plate further enhances the radiation shielding capability of the intelligent bracelet equipment, and is particularly important for individuals working in a high-radiation environment.

The utility model provides a quick-change device for a tool head carried at the tail end of a robot in a high-radiation environment, which comprises a quick-change body, and the quick-change body comprises a robot connecting end used for connecting the robot and a tool connecting end used for connecting a tail end actuating mechanism. Accurate and rapid connection of a robot working arm and a tail end executing mechanism is achieved through the robot connecting end and the tool connecting end of the rapid replacing body, all butt joint work of media such as water, gas, electricity and servo can be completed at the same time through one-time butt joint propelling action, operation is convenient, and replacing work time is short. The problem that in the source item investigation and nuclear facility decommissioning process, due to the fact that the radiation level is high, space arrangement is complex, and the working space is narrow and small, accurate and rapid replacement of tools cannot be achieved is solved.

The present application relates to the technical field of ionizing radiation measurement, and particularly relates to a regional radiation monitor and an ionizing radiation monitoring method, which comprises the following steps: obtaining the radiation energy value, the environmental temperature value and the environmental humidity value of each monitoring point in each sampling moment in a radiation monitoring region, determining the relative radiation energy value of each monitoring point in each sampling moment, determining the radiation level and the radiation energy fluctuation factor of each monitoring point, determining the radiation grade of the monitoring region corresponding to each monitoring point, clustering the monitoring regions corresponding to all monitoring points according to the difference between the radiation grades of the monitoring regions corresponding to any two monitoring points, obtaining several radiation cluster regions, obtaining the radiation risk degree of each radiation cluster region, and dividing the risk of each radiation cluster region. The present application can improve the effectiveness and accuracy of radiation monitoring by accurately dividing the risk of each monitoring region.

Aeronautical radio direction finding pod and method of implementing the pod. Aeronautical radio direction finding pod 1, comprising a frame 11, a support member 12 of the frame for attaching to an aircraft 50 along a principal axis of force, an interferometer for receiving electromagnetic waves of a band selected from one or more of the radar bands P, L, S, C, X, Ku, K and Ka, the interferometer comprising at least two antennas, the antennas being supported by the frame 11, and having a radiation pattern with an aperture of -3 dB of at least 30° centered on a line of sight and beyond 80° from the line of sight a level at least 15 dB lower than that of the maximum radiation.

The present invention discloses a method for evaluating the extreme perception of tiny signals caused by changes in positive and negative low temperature differences, comprising the following steps: establishing a full-link timing simulation model based on target parameters, atmospheric transmission paths, and environmental background simulation to obtain image simulation sequences under different radiation levels in the imaging system; correcting the simulation sequence, obtaining the point target position through template matching with the actual differential image sequence, achieving sub-pixel-scale target scale resolution and background and target energy separation; and performing extreme perception evaluation of tiny signal targets using a weighted approach of the signal-to-noise ratio, speed ratio, and camera energy concentration ratio of the target's central pixel. The method of the present invention overcomes the problem of being unable to perceive a single tiny signal under low signal-to-noise ratios, integrates multiple target parameters, and establishes a more robust evaluation method for tiny signal extreme perception.

The embodiment of the application provides a dual-polarized indoor antenna, and belongs to the technical field of antenna communication equipment. The dual-polarized indoor antenna comprises a vertical polarization radiation unit and a horizontal polarization radiation unit. The vertical polarization radiation unit comprises a ground plate and a conical radiation oscillator arranged on the ground plate, and the conical radiation oscillator is used for exciting and radiating vertical polarization electromagnetic waves. The horizontal polarization radiation unit comprises a plurality of radiation subunits, the plurality of radiation subunits are sequentially arranged around the outer circumferential side of the conical radiation oscillator, a radiation gap is formed between two adjacent radiation subunits, and the radiation gap is used for exciting and radiating horizontal polarization electromagnetic waves. The orthographic projection of the radiation subunit on the ground plate is located in the ground plate. The dual-polarized indoor antenna provided by the embodiment of the application can realize wide-band coverage and meet the multi-frequency band requirement of an indoor communication system.