74 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 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 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.

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.

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.

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 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

Disclosed are various embodiments for sensing and integrating data of environmental conditions in animal research. A collection device is removably mounted to a cage. The collection device includes a sensor array that captures audio content or environmental measurements. A micro-environment monitor of the collection device can process the audio content to determine that audible or ultrasonic vocalizations of an animal are present. The micro-environment monitor sends data based at least in part on the audio content or environmental measurements to a computing environment.

A method for environmental monitoring of mineral material processing, comprising preparing a position measurement system and a dust measurement device and / or a noise measurement device; starting the position measurement system in such a way that the position measurement covers at least the area to be monitored; moving the dust measurement device and / or the noise measurement device around the area to be monitored along a desired path while measuring dust level and / or noise level and while the position measurement system is operating; combining position data derived from the data provided by the position measurement system with dust level data and / or noise level data measured; and providing a dust level map and / or a noise level map of the area to be monitored.

The present invention relates to the technical field of ship motion control, and specifically discloses a method and system for making an anchoring decision for an anchoring combined with a dynamic positioning system. The method comprises the following steps: S1: obtaining a target position, a target heading, and environmental measurement information that the ship needs to maintain when hovering, and calculating the environmental interference load to which the ship will be subjected; S2: based on the environmental interference load, with the goal of minimizing propeller energy consumption and wear, performing thrust distribution, and calculating the optimal force of the anchor cable; S3: calculating the optimal anchoring scheme based on the optimal force of the anchor cable. The present invention can calculate a combination of the optimal anchoring position and anchor cable length based on the current offshore wind, wave, and current environment, the hydrodynamic characteristics of the hull, the thrust of the propeller, and the installation position, on the premise that the ship can meet the positioning accuracy requirements, with the propeller energy consumption and wear being the minimum standard, thereby facilitating the ship to carry out long-term operations at the operating point.

The utility model relates to the technical field of environment measurement and control, and discloses a multi-angle sensing indoor environment monitoring sensing device which comprises a machine body shell, a display screen is fixedly installed on the front side of the machine body shell, a control button is arranged on the front side of the machine body shell, and multi-angle receiving grooves are formed in the front side, the left side and the right side of the machine body shell. The machine body shell is pressed down towards the interior of the fixing frame, the installation block automatically resets after the machine body shell moves to a proper position, the machine body shell is fixed through the installation groove, the bottom end of the transmission rod and the inclined face of the transmission block abut against each other by pressing the two sets of top plates, and therefore the transmission block is driven to push the installation block outwards. Compared with a traditional device, the device can be installed by pressing down the machine body shell, dismantling operation can be completed by pressing the two sets of top plates, dismantling is easy, installation is stable, and the satisfaction degree of a user is improved.

An environmental measuring device includes a sound wave transceiver unit, a setter, and an estimator. The sound wave transceiver unit transmits and receives detection sound waves. The setter divides the target space into sections, and sets a first virtual mesh. The estimator estimates temperature or airflow distribution in the target space, based on a time of flight of the detection sound waves passing through a section of the first virtual mesh. The estimator estimates temperature or airflow in each of the sections of the first virtual mesh, using a predetermined prediction method and a constraint condition. The constraint condition includes at least one of a value representing temperature or airflow in a second virtual mesh having fewer sections than the first, an amount of air flowing in at least one section of the first virtual mesh, and at least one measured temperature value in the first virtual mesh.

The invention provides an error compensation method for near space air pressure in-situ detection, and belongs to the technical field of near space environment detection, and the method comprises the steps: determining a change curve of the speed along with the height in the falling process of a sounding assembly; modeling an external flow field of the sounding assembly, and analyzing an external airflow field and a heat flow field of the sounding assembly; constructing an air pressure sensor arrangement point position temperature conversion model; constructing an error calculation model of the barometric sensor based on the position of the barometric sensor in the internal flow field, the analysis result and the heat flow field model; acquiring air pressure measurement data and environment measurement data of the near space; and according to the environmental parameter in-situ measurement data, compensating the near space in-situ air pressure measurement data by using the error calculation model to obtain a near space air pressure measurement error. The problem that the high-speed falling type sounding assembly cannot measure the ambient air pressure accurately is solved.

The invention relates to the technical field of mine automatic monitoring, in particular to an algorithm for measuring a material level in an underground mine severe environment, which comprises the following steps of: 1, acquiring a material level signal in real time through a radar level gauge, and simultaneously acquiring a feeding rate (InflowRate) and a discharging rate (OutflowRate); 2, the material level value is dynamically corrected, and if the radar is effective (RadarValid = True), the actual material level (ActualLevel) directly adopts the radar material level value (RadarLevel); and if the radar fails (RadarValid = False), the actual material level is calculated through an integral formula: ActualLevel = ActualLevel + (InflowRate-OutflowRate) * delta t, and the delta t is a calculation period. According to the algorithm and system for measuring the material level in the severe environment of the underground mine, high precision and high reliability of material level measurement are achieved by dynamically fusing radar real-time correction and integral calculation and combining failure self-judgment and high-pressure aerial fog cleaning.

The utility model discloses equipment for detecting the compressive property of a PET (Polyethylene Terephthalate) bottle blank. The equipment comprises a detection box, a controller mounted on the detection box, a camera mounted in the detection box, a conveying and fixing mechanism arranged between the detection box and a partition plate, an extruding mechanism arranged between the detection box and the partition plate, and an environment measuring mechanism arranged on the detection box. The humidity condition in the detection box can be detected through the humidity sensor, detection data are synchronized to the display screen, when the humidity is too high, the heating pipe can heat air in the detection box, so that the humidity in the detection box is reduced, the air in the detection box can be extracted through the air extractor, and the detection efficiency is improved. Air is discharged through the first air pipe and the second air pipe, so that air pressure balance in the detection box is maintained, when the temperature in the detection box reaches a preset threshold value of the temperature sensor, heat of the heating pipe is controlled to be output evenly, an environment suitable for PET bottle blank detection is built, and it is avoided that humidity influences detection data.

A computer system manages drilling operations in an ocean environment. The system differentiates between nondrilling and drilling states in a closed-loop fluid system on a drilling vessel. In the non-drilling state, where the drillstring is held on the vessel during motion, a “piston effect” can alter downhole pressure. The system adjusts the surface backpressure automatically to counteract this pressure change and maintains the pressure within acceptable limits. The adjustment process incorporates a motion model that predicts the vessel's movement based on environmental factors and the vessel's characteristics. This model uses environmental measurements to calculate the necessary backpressure adjustments, ensuring stable downhole conditions despite the vessel's motion.

A computer system manages drilling operations in an ocean environment. The system differentiates between nondrilling and drilling states in a closed-loop fluid system on a drilling vessel. In the non-drilling state, where the drillstring is held on the vessel during motion, a "piston effect" can alter downhole pressure. The system adjusts the surface backpressure automatically to counteract this pressure change and maintains the pressure within acceptable limits. The adjustment process incorporates a motion model that predicts the vessel's movement based on environmental factors and the vessel's characteristics. This model uses environmental measurements to calculate the necessary backpressure adjustments, ensuring stable downhole conditions despite the vessel's motion.

The present invention belongs to the field of environmental measurement and control technology, and specifically discloses an environmental measurement and control system and method for a substation accident oil pool, comprising a power unit, a measurement and control unit, an environmental sensing unit, an oil pool load state sensing unit, and an oil pollution treatment unit; the measurement and control unit is respectively connected to the environmental sensing unit, the oil pool load state sensing unit, and the oil pollution treatment unit; the environmental sensing unit includes an environmental meteorological sensing module and a gas content sensing module; the oil pool load state sensing unit is used to measure the oil content and the liquid level of the oil-water mixture in the accident oil pool and send the data to the measurement and control unit; the oil pollution treatment unit is used to separate the oil and water in the oil-water mixture. In this technical solution, the environmental sensing unit and the oil pool load state sensing unit monitor the data of the accident oil pool in real time, and the measurement and control unit processes the monitored data in real time, thereby enabling timely detection of hidden dangers and timely warnings.

The present application relates to single-beam echo sounder shallow water measurement technology field, especially in kind of based on the single-beam echo sounder shallow water measurement method and system of tilt installation, the method comprises the following steps: obtaining single-beam echo sounder operation data, identifying measurement route and collecting environmental change, the simulated sounding process is combined to generate sounding simulation data;According to the environmental change and the disturbance response data of sounding angle, the environmental measurement coupling interference intensity is calculated, the dynamic abnormal condition of sound wave propagation path is identified;Detect the frequency drift phenomenon of sound wave in the shallow water area, and the error propagation prediction is carried out accordingly, the error propagation growth data is obtained, the deviation degree of the tilt sounder is evaluated based on the error propagation condition, and the deviation degree data is generated;The original sounding data is corrected to obtain the corrected sounding value;The present application realizes single-beam echo sounder shallow water measurement more accurately and efficiently by single-beam echo sounder shallow water measurement correction.