102 results about "Environmental measurement" patented technology

Systems and methods for monitoring and evaluating time-series real-time environment data to create a high-resolution, high-fidelity actual (e.g., nowcast) and predicted (e.g., forecast) representation of an environment of interest. In some aspects, the system comprises instructions to obtain a set of real-time environment measurements stored in a data repository corresponding to a time-series capture of environment data across an observational time period, identify one or more precursory signals within the set of real-time environment measurements, determine at least one anomalous precursory signal from the one or more precursory signals that exceeds the corresponding signal threshold, generate a time-series representation of an actual environment state across the observational time period based on the at least one anomalous precursory signal and the set of real-time environment measurements, and display, at a user interface, the generated time-series representation of the actual environment state.

The invention relates to the technical field of coal mine safety monitoring, in particular to an underground coal mine dust concentration monitoring method and system based on multi-modal data fusion, and the method comprises the steps: synchronously collecting dust concentration time sequence data, dust image data, sound wave signal data and environmental parameters through a multi-modal sensor array deployed in an underground coal mine; carrying out preprocessing and feature extraction on the collected data; predicting the decomposed high-frequency and low-frequency component signals by adopting a long short-term memory neural network and a grey Markov model; when the environment humidity is greater than 80%, carrying out light scattering compensation on the predicted value; inputting various predicted values into an improved D-S evidence theory fusion device, and outputting a fusion dust concentration monitoring value; and when the threshold value is exceeded or the temperature and humidity composite condition is reached, an acousto-optic alarm is triggered and a spraying dust-settling device is started. According to the method, the problems of low precision of a single sensor, multi-source data conflict, high-humidity environment measurement deviation and insufficient time sequence and fusion precision in underground coal mine dust concentration monitoring can be solved.

The invention provides an inclined non-contact water level measurement method, and relates to the technical field of water level measurement, and the method comprises the steps: transmitting a high-frequency electromagnetic wave to a target water body region through a high radio frequency transmitting module according to an inclination angle; receiving the high-frequency echo signal, carrying out multi-path interference filtering and noise suppression, obtaining an optimized echo signal, and extracting the reflection time of the optimized echo signal; deploying an environment measurement sensor, and collecting real-time environment data of the target water body area through the environment measurement sensor; and constructing a water level measurement model, synchronizing the inclination angle, the reflection time, the real-time environment data and the reference measurement height to the water level measurement model for water level calculation, and determining a real-time water level value. The technical problem that in the prior art, due to multi-path interference and environmental noise influences, the water level measurement precision is insufficient is solved, and the technical effect of improving the water level measurement accuracy and reliability is achieved.

The invention provides a method and device for carrying out privacy protection on data in large model reasoning, and relates to the technical field of computers.The method comprises the steps that a large model is divided into a secret state domain model and a plaintext domain model, and the secret state domain model is placed in a trusted execution environment of a server side to be isolated; privacy data is encrypted by using a derivative key generated by the trusted execution environment measurement secret state domain model, and can be transmitted into the trusted execution environment; inferring the privacy data through a secret state domain model and a random confusion low-rank matrix connected in parallel with the secret state domain model, and transmitting inferred inference data to a plaintext domain model for continuous inference to obtain target inference data; and based on the client public key UserPK and the client private key UserSK, returning an inference result plaintext of the private data to the client. Therefore, large model reasoning is realized by means of centralized outsourcing computing power of the server, and privacy data is protected from being leaked in the reasoning process.

The application discloses a kind of acoustic-optical fusion's cold spring methane detection method, system, device and storage medium, comprising: obtaining first preprocessed acoustic measurement data and second preprocessed optical measurement data, obtains environmental measurement data;According to the acoustic measurement data, the optical measurement data and the environmental measurement data, form joint data;According to the joint data extraction joint feature, according to the joint feature determines current methane total concentration, according to the joint data determines current methane total leakage flux.The embodiment of the application can improve the accuracy of cold spring methane detection, and can be widely applied in gas detection technical field.

The invention discloses a platform micro-vibration measurement method based on a laser inter-satellite link, which can be applied to measurement of in-orbit satellite platform micro-vibration and has the advantages of no occupation of satellite resources and simple system structure compared with a traditional mode of adopting an accelerometer for measurement. By accurately analyzing the spectrum characteristics of the micro-vibration, the source of the micro-vibration can be determined and the micro-vibration can be compensated, so that the communication reliability is improved. The platform micro-vibration measurement method based on the laser inter-satellite link comprises the following steps: 1) determining a laser terminal conversion relation according to the architecture of a laser terminal light beam pointing mechanism; 2) eliminating an environment measurement error, and fitting and eliminating a platform motion track; and 3) micro-vibration characteristic parameters are extracted.

The invention discloses a mobile underwater acoustic communication multipath channel modeling method based on sound field calculation, and relates to underwater sound waves. Channel modeling is carried out by inputting environmental parameters including an ocean sound velocity profile, submarine topography and the like, and modeling parameters including initial coordinates, motion trail equations and the like of a signal transmitting end and a signal receiving end. Performing ocean sound field calculation by adopting a ray tracing model, a normal wave model or a wave number integral model and the like, and calculating a sound field at each track sampling moment according to modeling parameters. And converting a frequency domain sound field result into a channel impulse response through inverse Fourier transform, and recovering the time-varying impulse response of the whole multipath channel by using local spline interpolation. And carrying out convolution on the transmitted signal and the time-varying impulse response of the multipath channel, and adding common propagation time delay to obtain a received signal simulation result. Through accurate sound field calculation and multipath channel modeling, the signal transmission condition in a specific marine environment can be simulated without actual marine environment measurement, the marine actual measurement cost is reduced, and the research and development efficiency is improved.

The invention relates to the technical field of environmental monitoring and water ecological safety, in particular to a eukaryotic algae outbreak early warning method and system based on genus-level specific recognition. The method comprises the following steps: collecting a water body sample at a monitoring position according to a preset sampling plan, collecting an environment measurement value, and respectively obtaining environment parameter data, a water sample sampling identifier and a sampling timestamp; extracting nucleic acid from the water sample at the monitoring position based on the water sample sampling identifier, performing targeted amplification, and performing high-throughput sequencing at the same time to obtain eDNA original sequencing data; therefore, by constructing the eukaryotic algae outbreak early warning process based on genus-level specific recognition, the problems that in a traditional method, sampling disturbance is uncontrollable, sequence judgment precision is insufficient, trend recognition is lagged, and an early warning link is not transparent are solved, and the accuracy, stability and traceability of early judgment of algae outbreak are improved.

The utility model relates to the technical field of grating performance testing, and particularly discloses a high-speed grating performance testing device, which comprises a testing motor, an output shaft of the testing motor is provided with a grating disc to be tested; a reference encoder which is installed on the test motor and is used for measuring the actual rotation amount of the test motor; the shading part is used for carrying a light-emitting element and a light-sensitive element to be detected; the moving assembly is used for carrying the shading cloth part and can drive the shading part to do linear translational motion along the X axis, the Y axis and the Z axis in the three-dimensional space; the temperature control part is used for wrapping the shading part and changing the temperature in the shading part; the test host is electrically connected with the reference encoder and the photosensitive element; according to the utility model, measurement errors at different installation distances can be obtained, the measurement precision of the high-speed grating encoder applied to the high-speed environment measurement work in the later period is ensured, and the production quality of the high-speed grating encoder is ensured.

The invention discloses a noise measurement and processing system and method, and relates to the technical field of noise measurement, the noise measurement and processing system comprises a noise data measurement module, a marine environment measurement module and a data acquisition and analysis module, the noise data measurement module is used for measuring noise data of a mariculture platform; the marine environment measurement module is used for measuring marine environment parameters; the data acquisition and analysis module is in communication connection with the noise data measurement module and the marine environment measurement module, and is used for acquiring noise data and marine environment parameters and obtaining arrangement point locations and measurement conditions of the noise data measurement module based on the marine environment parameters; and performing noise processing and analysis on the noise data. According to the method, the proper noise measurement point is obtained by collecting the marine environment parameters, various noise data are collected at the noise measurement point, noise analysis is carried out, and the accuracy of noise measurement and analysis of the mariculture platform is improved.

To provide an energy-saving effect determination system capable of providing convenience to customers when displaying energy-saving effects.SOLUTION: In an energy-saving effect determination system 1 that determines energy-saving effects using measurement data of operation track records of an evaluation object (air conditioner 21) before and after applying energy-saving means to the evaluation object, measurement data of the energy-saving effects and environmental measurement data obtained by measuring a state of an environment in which the evaluation object is installed before and after applying the energy-saving means to the evaluation object are displayed with an average value.SELECTED DRAWING: Figure 1

Embodiments of the present disclosure relate to capturing sensing RF environmental features. In an aspect, a first device determines mapping information between a plurality of sets of radio frequency (RF) environmental features and a plurality of report format rules related to RF environmental channel state. The plurality of sets of RF environmental features correspond to a plurality of sensing services. The first device, based on receiving a sensing request related to a sensing service, transmits, to a second device, a request message for requesting a measurement report of an RF environmental measurement for the sensing request. The measurement report is based on a report format rule among the plurality of report format rules, and wherein the mapping information indicates that the report format rule is associated with a set of RF environmental features of the sensing service. In this way, the measurement result may meet particular sensing requirements for a specific sensing service from a variety of dimensions.

A method generally includes providing calibration node information to a user system communicably coupled to the calibration management system and associated with at least the user sensor, the calibration node information identifying a calibration node of a plurality of calibration nodes communicably coupled to the calibration management system and disposed at a plurality of geographical locations; receiving, from the user system, a request to access information generated via the calibration node; causing the calibration node to perform at least one calibration action based on the request, wherein the calibration action comprises at least one of: performing an environmental measurement to measure at least one aspect of an environment at the geographical location of the calibration node, or providing a calibration reference signal to the user sensor; receiving calibration results information containing results of the calibration action; and providing information associated with the calibration results information to the user system.

Aspects of the present disclosure provide an environmental probe configured to be at least partially inserted into the ground at a location and to provide defensible space monitoring and maintenance for a home or other structure. The environmental probe may include one or more environmental sensors configured to perform various environmental measurements to generate environmental measurement data. The environmental probe (e.g., a processor of the environmental probe) may compare the environmental measurement data to one or more thresholds to determine an alert state associated with the location. The environmental probe may include one or more wireless interfaces configured to enable communication with a remote device, such as a smart hub device or other environmental probes. The environmental probe may transmit an indicator of the alert state to the remote device to enable performance of one or more operations based on the alert state.

The invention discloses a gas detection device and an intelligent carrier, and relates to the technical field of gas detection. The device specifically comprises a stretching mechanism, the stretching mechanism comprises a telescopic shell set, a gas measuring piece and a folding rod set, and the telescopic shell set is provided with a plurality of shells which are connected in a sliding mode; the gas measuring piece is connected to a shell on the innermost side of the telescopic shell group; the folding rod set is contained in a shell on the innermost side of the telescopic shell set, a notch is formed in one side of the telescopic shell set, the folding rod set can be unfolded outwards from the notch of the telescopic shell set, and the input end of the gas measuring piece is connected to the tail end of the folding rod set. The telescopic shell group is composed of a plurality of shells connected in a sliding mode, the gas measuring piece is driven to be lifted to different heights by adjusting the height, the folding rod group can be horizontally unfolded, the input end of the gas measuring piece can be driven to move to different corners of a coal mine well through combined adjustment of the telescopic shell group and the folding rod group, and a stretching mechanism does not need to be moved to the position below a to-be-measured corner. The adaptability of environment measurement is greatly improved, and the measurement range is effectively expanded.

To efficiently aggregate data within a construction site while reducing processing loads on the network by preferentially transmitting measurement data with high importance.SOLUTION: A construction information management system according to the present invention comprises a plurality of environmental measurement devices for measuring an environment of a construction site where work machines are working, a server for storing work information of the work machines, and a controller for transmitting at least a portion of environmental information measured by the environmental measurement devices to the server in accordance with instructions from the server. The server determines transmission priorities of the environmental information for each of the plurality of environmental measurement devices to the server based on measurement states of the plurality of environmental measurement devices and the work information, and transmits the transmission priorities to the controller.SELECTED DRAWING: Figure 2

The present invention relates to the field of mobile robot positioning processing technology, and in particular to an augmented reality environment modeling and positioning processing method for a mobile robot. The method comprises the following steps: obtaining sensor configuration monitoring parameters; collecting environmental image data of the monitoring sensor according to the sensor configuration monitoring parameters to generate environmental image data; modeling and processing an environmental measurement physical model based on the environmental image data to obtain an environmental measurement physical model; performing fused point cloud prior map analysis based on the environmental measurement physical model to obtain generated fused point cloud prior map data; analyzing inter-frame moving feature point matching data through fused point cloud prior map data; and performing mapping and positioning operations of the mobile robot based on the fused point cloud prior map data and inter-frame moving feature point matching data. The present invention realizes accurate mapping and positioning of the mobile robot in the dynamic process by expanding the monitoring information of the mobile robot.

The present invention discloses an end-to-end urban environment monitoring method based on deep learning, including data collection, data encoding, a deep learning model of urban environment quality and model training; the present invention belongs to the field of environmental measurement and deep learning technology, and specifically is an end-to-end urban environment monitoring method based on deep learning. The advantages of the present invention are: a multi-source data collection method is used for environmental monitoring, cloud computing is used for data collection and data processing, a deep learning model of urban environment quality is proposed according to the attention mechanism, the data sources are rich, the environmental quality of the city is fully reflected, computing resources are effectively used, and accurate environmental evaluation is given according to the collected environmental data and their interrelationships.

A multipath channel modeling method for mobile underwater acoustic communication based on sound field calculation is presented, involving underwater sound waves. Channel modeling is performed by inputting environmental parameters including ocean sound velocity profiles and seabed topography, as well as modeling parameters such as the initial coordinates and trajectory equations of the signal transmitter and receiver. Ocean sound field calculations are performed using kernels such as ray tracing models, normal mode models, or wavenumber integral models, calculating the sound field at each trajectory sampling time based on the modeling parameters. The frequency domain sound field results are converted into a channel impulse response using inverse Fourier transform, and the time-varying impulse response of the overall multipath channel is recovered using local spline interpolation. The transmitted signal is convolved with the time-varying impulse response of the multipath channel, and a common propagation delay is added to obtain the simulation results of the received signal. Through accurate sound field calculation and multipath channel modeling, signal transmission under specific marine environments can be simulated without actual marine environmental measurements, reducing marine field testing costs and improving R&D efficiency.

The utility model provides an intelligent shooting auxiliary aiming system based on a linear motor, which comprises a laser ranging module, an image acquisition module, an environment measurement module, a calculation processing module and an auxiliary aiming module, the laser ranging module is connected with the image acquisition module and the calculation processing module, the environment measurement module comprises a sensor, the calculation processing module is connected with the auxiliary aiming module, the difference of target aiming is calculated through the calculation processing module, and the auxiliary aiming module comprises a linear motor. Fine adjustment of the aiming opening is achieved by controlling the linear motor. According to the data calculated by the calculation algorithm, the vibration behavior of the linear motor can be accurately controlled by cooperatively adjusting the vibration frequency and the vibration amplitude of the linear motor, so that an accurate fine adjustment effect is generated, and a user is helped to aim at a target better.

The invention discloses an equipment indicating lamp control method and system, and the method comprises the following steps: obtaining the state of a person in an equipment region, and obtaining a first control value according to the state change condition of the person in the equipment region within a preset time duration; acquiring a second control value based on the personnel identity verification result and the user indication state; acquiring an environment measurement parameter, and acquiring a third control value according to the environment measurement parameter; and outputting an equipment indicating lamp control strategy according to a preset work and rest time period, the first control value, the second control value and the third control value. The method has the beneficial effects that the regulation and control complexity is reduced to reduce energy consumption under the condition of no personnel or no permission of the personnel, and meanwhile, the regulation and control brightness of the equipment indicator lamp is comprehensively obtained based on personnel states, user work and rest, user indication and environmental factors, so that the regulation and control accuracy of the equipment indicator lamp is improved, and the user experience is improved.

Apparatus for treating sleep apnea and methods for use include a wearable housing having a contact surface configured to removably engage a wearer's chin, a stimulator enclosed in the housing and configured to produce a magnetic field directed through the contact surface, and a control unit in communication with the stimulator and sensor(s), each sensor configured to produce signals indicative of i) biometric measurements of the wearer or ii) environmental measurements corresponding to an environment of the wearer. The control unit may be configured to analyze the sensor signals to detect an apneic event or a hypoxic condition of the wearer, and, responsive to the detecting, activate the stimulator to produce a magnetic field configured to deliver stimulation to targeted tissues(s) and / or nerve(s), thereby causing contraction of the wearer's pharyngeal tissue, tongue, and / or other dilator muscle.

The present application relates to the field of automotive aerodynamic test technology, and discloses a kind of non-steady flow environment aerodynamic test method based on front vehicle wake, comprising: S1, installs environment measuring device on test vehicle, carries out steady flow test calibration to test vehicle, obtains first environmental physical quantity based on environment measuring device, and establishes the corresponding relationship between first environmental physical quantity and steady flow environmental physical quantity;S2, test vehicle is in non-steady flow environment;S3, in the environment of non-steady flow, second environmental physical quantity is obtained by environment measuring device, and based on the corresponding relationship and second environmental physical quantity, the test environment physical quantity of non-steady flow environment where test vehicle is located is determined;S4, based on test environment physical quantity, carries out aerodynamic test under specific non-steady flow environment.The problem that wind tunnel cannot carry out non-steady flow simulation test and cannot provide important reference for automotive non-steady flow aerodynamic research is solved.

This underwater intelligent cable system, equipped with morphological perception and remotely operated capabilities, belongs to the fields of underwater robotics, marine inspection, and engineering measurement and control. In this system, one end of the intelligent cable is fixed to a mother ship, while the other end connects to an ROV (Remotely Operated Vehicle) for flexible deployment via towing. A three-core fiber optic grating sensor is integrated within the cable to acquire strain distribution along its length. Multiple sealed measurement boxes are deployed along the cable to collect environmental data and transmit it back to the mother ship. The mother ship is equipped with an FBG demodulator and a data processing and storage system to calculate curvature or deflection based on strain and reconstruct the cable's three-dimensional morphology. To suppress long-distance integral drift, some measurement boxes integrate IMU (Integrated Mutor Unit) outputs attitude data and calculates tangent vectors, which are then fused with FBG continuous curvature constraints for optimized filtering. Environmental measurements are mapped to corresponding spatial coordinates on the morphological curve according to the calibrated positions of each node along the cable length, forming a spatial registration dataset that is visualized, stored, and queried, improving the efficiency and accuracy of large-scale underwater detection.

The invention discloses a power plant CT and circuit breaker cooperative dynamic constant value correction method and system, and belongs to the technical field of power system relay protection, and the method comprises the following steps: collecting CT operation parameters, circuit breaker operation state parameters, system operation parameters and environment measurement parameters of a power plant; calculating based on the CT operation parameters and the environment measurement parameters to obtain CT dynamic saturation limiting current, and evaluating based on the circuit breaker operation state parameters and the environment measurement parameters to obtain circuit breaker health state factors; according to the CT dynamic saturation limit current and the system operation parameters, current protection constant value correction is carried out, a corrected quick-break current constant value and a constant time-lag current constant value are obtained, CTI increment is obtained through calculation according to the circuit breaker health state factor, and finally, after dynamic simulation verification is carried out, a protection constant value collaborative correction result is determined and obtained. The method can solve the problem that the protection setting value in the existing power system cannot be dynamically adjusted.

An environment measuring device is controlled by a monitoring system and comprises a moving module, a lifting module and a measuring module. The lifting module is arranged on the moving module. The measuring module is arranged at one tail end of the lifting module. The moving module sequentially moves to a plurality of designated positions, and the lifting module lifts the measuring module to a plurality of heights to measure a plurality of groups of environmental data and transmits the environmental data back to the monitoring system.

This invention relates to a key parameter testing system and method for turbojet engines, belonging to the field of unmanned aerial vehicle (UAV) technology. It enables the measurement of key parameters and identification of dynamic characteristics of turbojet engines, providing prerequisite input conditions for the design and simulation of flight control laws and effectively reducing experimental risks. The system includes a mounting bracket, engine working components, a main control module, a thrust sensor, and an environmental measurement sensor. The mounting bracket is used to fix the turbojet engine under test. The engine working components are connected to the turbojet engine under test to ensure its normal operation. The main control module is connected to the turbojet engine under test and the environmental measurement sensor to control the actions of the turbojet engine under test according to test requirements and environmental data monitored by the environmental measurement sensor. The thrust sensor is located between the engine mounting bracket and the turbojet engine under test and is connected to the main control module to measure the thrust of the turbojet engine under test.

According to the low-altitude environment assessment method, device and equipment based on multi-source fusion and the storage medium, environment measurement data is determined, a sky image is obtained through a fisheye lens, and sol vertical distribution information and a low-altitude wind field are obtained through a laser wind finding radar; the environment measurement data comprises at least one of temperature and humidity data and rainfall intensity, performing dynamic fusion analysis according to the sky image and the sol vertical distribution information, determining a low-altitude cloud condition and an intensity grade corresponding to the low-altitude cloud condition, determining an intensity grade corresponding to the low-altitude wind field according to the low-altitude wind field, and determining the intensity grade corresponding to the low-altitude wind field according to the environment measurement data. The intensity grade corresponding to the environment measurement data is determined, the intensity grades are analyzed based on the multi-source data, the low-altitude environment evaluation result is comprehensively determined according to the intensity grade corresponding to the low-altitude cloud condition, the intensity grade corresponding to the low-altitude wind field and the intensity grade corresponding to the environment measurement data, and the accuracy is improved.

The object of the present invention is to provide an environmental measurement system and an environmental measurement method that can reduce the risk of failure of electronic equipment used for environmental measurement in a radiation environment. [Solution] The present invention relates to an environmental measurement system for measuring environmental information in a radiation environment, comprising: a detection unit equipped with a radiation emitter for detecting radiation; a first transport mechanism for installing the detection unit in a predetermined radiation environment; a second transport mechanism for retrieving the detection unit; and an analysis unit for analyzing environmental information where the detection unit is installed from measurement information measured by the retrieved detection unit. The detection unit is a measuring instrument that does not require power supply, and the second transport mechanism has a positioning function that identifies the location of the detection unit based on the light emitted from the radiation emitter.

To provide a technique for obtaining an environment when a compound located in a specific range among compounds is synthesized in a flow chemistry system.SOLUTION: An environmental actual measurement value acquiring unit 63a that acquires an actual measurement value of the chemical reaction condition measured by the measuring device 222324 in the chemical reactor 2 as an environmental actual measurement value, an environmental actual measurement value storage unit 63b that stores the acquired environmental actual measurement value and information on a time at which the environmental actual measurement value is measured in association with each other in a storage medium, a passage time information calculating unit 64b that calculates information on a time at which a specific synthetic compound which is a synthetic compound located in a specific range among the synthetic compounds passes through a measurement point by the measuring device as passage time information based on at least the sending condition, and an environmental actual measurement value specifying unit 64c that specifies an environmental actual measurement value when the specific synthetic compound or raw materials thereof pass through the measurement point by the measuring device based on the passage time information.SELECTED DRAWING: Figure 2