108 results about "Measurement site" patented technology

The present invention belongs to the field of dimension measurement technology, and specifically relates to a method, system, device, and medium for evaluating the uncertainty of a large-scale multilateral coordinate measurement system. The method inputs the acquired target point coordinates into an error transfer model to obtain three coordinate uncertainty components corresponding to the coordinate values. This uncertainty coefficient is then calculated based on the uncertainty introduced by the offset of the reflector's optical center, and the uncertainty evaluation is performed. The present invention, based on the fundamental principles of the multilateral coordinate measurement system, simplifies the system coordinate system to reduce parameters, thereby reducing the amount of calculations. The method also provides a specific mathematical formula, which facilitates rapid evaluation at the measurement site and is easy for metrologists to learn and apply.

The invention discloses a satellite precipitation two-stage error correction method based on an actual measurement site, and the method comprises the steps: extracting drainage basin DEM data, obtaining a mask file of a drainage basin, and extracting the satellite precipitation of the drainage basin; performing inverse distance weighted interpolation on the rainfall data of the actual measurement site to a corresponding resolution to obtain grid data of the actual measurement site; error correction data are obtained through a deep learning model or dynamic quantile mapping; calculating a residual error between the rainfall data after error correction and grid rainfall of the actual measurement site, and learning a nonlinear relationship between the rainfall data and the residual error by using a gradient lifting regression tree model; and adding the precipitation residual error of the nonlinear residual error correction model to the error-corrected satellite precipitation error to obtain a residual error-corrected precipitation product. According to the method, the satellite precipitation product is corrected based on the actual measurement site data, the high-precision precipitation product is obtained, point-to-surface conversion of the precipitation data can be realized, and data support is provided for input of a refined hydrological model.

The invention discloses a multi-source soil water data fusion method based on a Bayesian neural network. Obtaining original data, and cleaning the original data to obtain a cleaned data set; on the basis of an inverse distance weighted interpolation method, calculating the value of data in the cleaning data set at the actual measurement site, and performing error correction on the multi-source soil water data by taking the soil water data of the actual measurement site as a reference to obtain a site data set; segmenting data points in the site data set to construct a training data set and a test data set; time characteristic data and geographical spatio-temporal data in the cleaned data set are used as input, a prior linear layer is embedded to generate a weight coefficient of multi-source soil aquatic product data, and a normal distribution prediction model is established for a weight generation process, network parameters and a prediction standard deviation based on a multilayer Bayesian method; and training parameters of the normal distribution prediction model, and judging the prediction precision of the normal distribution prediction model. According to the invention, reliability is ensured in a complex environment.

Disclosed is an aerosol-generating device comprising: a heating unit for heating an aerosol source; a first temperature sensor for measuring a temperature change at a measurement site associated with heating by the heating unit; the first AD conversion circuit is used for converting the output voltage of the first temperature sensor into digital data; the second temperature sensor is used for measuring the temperature change of the heating unit; and a second AD conversion circuit for converting an output voltage of the second temperature sensor into digital data, in which the first AD conversion circuit has a higher conversion accuracy than the second AD conversion circuit, and the second AD conversion circuit has a faster conversion speed than the first AD conversion circuit.

This invention belongs to the field of biosensor technology, specifically a biosensor for real-time online monitoring of chemical components within plants. The biosensor of this invention mounts the working electrode and reference electrode within a liquid cavity between two substrates, preventing damage during electrode insertion and removal from the plant and improving sensor durability. It utilizes microfluidic technology to draw liquid from within the plant into the liquid cavity through microchannels, enabling real-time monitoring of chemical components within the plant. This ensures consistent calibration and testing environments, improving measurement accuracy. Employing multiple microfluidic channels eliminates the need for micron-level precise positioning of the working / reference electrodes at the measurement site within the plant, improving measurement efficiency and field applicability. This biosensor enables online monitoring of chemical components within living plants without causing inherent damage to the sample. The obtained data accurately and dynamically reflects the chemical composition information within the plant in real time. Its simple operation facilitates widespread application in plant cultivation.

The invention relates to the technical field of intelligent medical treatment, and provides a blood vessel function detection method based on multi-physiological signal fusion and a related product. The method comprises the following steps: respectively acquiring arterial pulse wave signals of a first measurement part and a second measurement part of a user through a first sensor and a second sensor configured on the wearable equipment; collecting motion state data of a user in the process of collecting the arterial pulse wave signal through an inertial measurement unit configured on the wearable device, and dynamically compensating the arterial pulse wave signal based on the motion state data; extracting a characteristic waveform through a signal processing model based on the dynamically compensated arterial pulse wave signal; according to the first characteristic waveform and the second characteristic waveform after dynamic compensation, calculating the characteristic time difference of the pulse wave conducted from the first measurement part to the second measurement part; and inputting the characteristic time difference, the static physiological parameter of the user and / or at least one waveform morphological parameter into a blood vessel hardness evaluation model to obtain a blood vessel hardness evaluation value.

A sphygmomanometer (1) of the present application includes a cuff for pressing a measurement site of a subject, and measures blood pressure by observing the pressure of the cuff. The sphygmomanometer (1) includes a feature acquisition unit (220) that acquires feature information about a pressure change pattern that increases in rate and rises over time from the start of pressurization, during pressurization of the cuff, for a subject to be authenticated, and an authentication unit (240) that compares the acquired feature information with registration feature information about a user registered in advance, and performs individual authentication of the subject.

An information processing device according to the present disclosure comprises a control unit. The control unit classifies, into at least one group, measurement site candidates at which data pertaining to communication characteristics is measured in a prescribed area. The control unit selects, from among candidates in correspondence to the group, measurement sites at which data is to be measured.

The present invention aims to provide a coupling frame for measuring the wavelength of a steady-state surface wave based on a vibrating geophone, comprising a vibrating geophone, a vibrating geophone bracket, and a truss. The vibrating geophone bracket comprises a central circular ring extending from two ends, each end being provided with a set of threaded rods and level adjustment nuts, an I-shaped component being provided below the threaded rods, a spring structure being provided on the threaded rods between the I-shaped component and the ends of the circular ring, a level being provided on the inner sides of the two level adjustment nuts, a hole being provided on the circular ring for fixing the vibrating geophone, and the vibrating geophone bracket being mounted on the truss. The present invention enables simpler installation of the vibrating geophone, easier level adjustment (based on the measurement site), more convenient adjustment of the horizontal distance, and clearer distance reading, thereby reducing the operational complexity of steady-state surface wave wavelength measurement and improving the accuracy of steady-state surface wave exploration results.

The utility model belongs to the technical field of fluxgates, and particularly relates to a fluxgate-based detection net structure, which comprises symmetrically arranged vertical rod structures, a plurality of cross rod structures are arranged between the vertical rod structures at equal intervals, a plurality of fluxgate sensors are arranged on the cross rod structures at equal intervals, the vertical rod structures comprise a plurality of first connecting rods, and the first connecting rods are connected with a plurality of second connecting rods. First circular plates are arranged at the two ends of the first connecting rod, and first connecting columns are fixedly connected to the sides, away from the first connecting rod, of the first circular plates; through the arrangement of the vertical rod structure and the cross rod structure, the detection net structure can be assembled by bringing each component to a measurement site, the detection net is convenient to carry, the convenience in use is improved, and in addition, due to the equidistant arrangement of the plurality of fluxgate sensors, the detection efficiency is improved. And the precision, comprehensiveness and reliability of local space slope magnetic field measurement can be obviously improved.

Provided is a brain wave measurement device (10) comprising: an electrode unit (30) that acquires brain waves by contacting a measurement site of a subject; and a support member (20) that supports the electrode unit (30). The support member (20) includes: a film member (120) (substrate, circuit pattern (22), protective layer, and shield layer); and a mounting part (25) that is provided to the film member (120) and that is for mounting the electrode unit (30). The electrode unit (30) and the mounting part (25) are fixed by a detachable engagement structure.

Modular physiological sensors that are physically and / or electrically configured to share a measurement site for the comfort of the patient and / or to ensure proper operation of the sensors without interference from the other sensors. The modular aspect is realized by providing outer housing shapes that generally conform to other physiological sensors; mounting areas for attachment of one sensor to another sensor; providing release liners on the overlapping sensor attachment areas; and / or providing notches, tabs or other mechanical features that provide for the proper placement and interaction of the sensors.

The present invention homogenizes maintenance work. A maintenance work assistance system provided with a work robot that performs maintenance work for each work item, the maintenance work assistance system comprising: a measurement unit that measures a prescribed measurement site for the work item every time the maintenance work for the target work item is performed; a determination unit that determines whether or not a measurement result measured by the measurement unit satisfies a work quality set for the work item; and a control unit that, if it is determined that the work quality is not satisfied, controls to perform an additional operation for the maintenance work of the work item until the determination unit determines that the work quality is satisfied.

The invention relates to a scattering measurement-based metrology system and method. The measurement model is trained from raw scatterometry data collected by a scatterometry-based overlay metrology system from an experimentally designed DOE wafer. Each measurement site includes one or more metrology targets fabricated with programmed overlay variations and known process variations. Each measurement site is measured with a known metrology system variation. In this manner, the measurement model is trained to separate the actual overlay from process variations and metrology system variations that affect overlay measurements. Thus, estimation of the actual overlay from the training measurement model is robust to process variations and metrology system variations. The measurement model is trained based on scatter measurement data collected from the same metrology system used to perform measurements. Thus, the measurement model is insensitive to system errors, asymmetry, and the like.

To provide a new technique for specifying a change in the form of a tissue of an eye to be examined.SOLUTION: The ophthalmic information processing method includes a layer thickness specifying step, a characteristic position specifying step, and a risk determining step. In the layer thickness specifying step, the one or more processors specify a layer thickness of a predetermined layer region in a measurement site in an A scan direction based on the OCT data of the subject's eye. In the characteristic position specifying step, the one or more processors specify a characteristic position of a change amount of the layer thickness in a direction intersecting the A-scan direction based on the layer thickness specified in the layer thickness specifying step. In the risk determination step, the one or more processors determine the risk of the disease based on the amount of change in the characteristic position. In the risk determination step, the risk of the disease is determined based on risk determination information in which information indicating the risk of the disease is associated in advance with each of the plurality of change amounts.SELECTED DRAWING: Figure 6

The present disclosure relates to a radioactive waste barrel activity measuring device, comprising a chassis and a conveying mechanism arranged on the chassis, the bottom of the chassis is connected with walking wheels, a dose measuring mechanism and a detector assembly are arranged on one side of the conveying mechanism on the chassis, the detector assembly is movably arranged on the chassis to be able to approach or move away from the conveying mechanism, a control system is further arranged on the chassis, and the control system is electrically connected with the dose measuring mechanism and the detector assembly respectively. In this way, the device can conveniently adjust the waste barrel and the radioactive activity measuring device for radioactive measurement, and move to the required measurement site according to the requirement. Through the control system, all running actions of the whole measuring device can be controlled, and the data collected by the dose measuring mechanism and the detector assembly are collected, the efficiency of the activity measurement of the radioactive waste barrel is improved, and the measurement operation of the low-activity radioactive waste barrel is conveniently and quickly completed.

This invention discloses a method for downscaling satellite precipitation based on measured stations. It extracts watershed DEM data, including satellite precipitation, wind speed, and temperature. Weighted interpolation of precipitation data from measured stations yields grid data. A deep learning model learns the nonlinear, spatiotemporal coupling relationship between multiple factors and precipitation distribution, and predicts low-resolution satellite precipitation using dynamic weights. High-resolution satellite precipitation is predicted by upsampling satellite precipitation, temperature, wind speed, and station precipitation using a deep learning model and dynamic weights. The residual between the low-resolution precipitation and the measured station precipitation is calculated and upsampled. The high-resolution satellite precipitation is then added to the sampled residual to obtain the downscaled precipitation product. This invention downscales satellite precipitation products based on measured station data to obtain high-resolution precipitation products, achieving refined precipitation data and providing data support for inputting refined hydrological models.

The invention belongs to the technical field of meteorology and hydrology, and particularly discloses a method for predicting precision of remote sensing rainfall data of a site-free area, and the method comprises the following steps: obtaining multi-source satellite remote sensing rainfall data and corresponding environment auxiliary variable data, and carrying out the preprocessing of the multi-source satellite remote sensing rainfall data and the corresponding environment auxiliary variable data; based on a multiplication triple matching analysis method, an extended double-tool variable method and a verification method based on an actual measurement site, performing precision evaluation on the multi-source satellite remote sensing rainfall data to obtain a corresponding precision evaluation index; constructing a deep neural network model, taking the precision evaluation index and the environment auxiliary variable data as input features, carrying out model training and cross validation, and revealing feature contributions by using an interpretability analysis method to obtain a trained deep neural network model; and using the trained deep neural network model to carry out precision prediction on the satellite remote sensing rainfall data of the site-free area, and outputting a precision prediction result. According to the method, reliable prediction of remote sensing rainfall data precision of a site-free area can be realized.

The utility model provides a tower crane detection device with an automatic early warning function. The tower crane detection device comprises a box body, an opening in the bottom of the box body, a semicircular dial plate arranged at the upper part of the front end surface of the box body, a pointer arranged in the dial plate, scale marks arranged in the dial plate, and microswitches arranged on two sides of the pointer in the dial plate; according to the utility model, the microswitches are simultaneously arranged on the two sides of the pointer inside the dial plate, so that when the inclination exists between the two standard knots of the tower body, the pointer can rotate to the positions of the microswitches to trigger the microswitches, and after the microswitches are triggered, the power supply module supplies power to the alarm lamp, so that the alarm lamp can be lightened, and the early warning function is achieved; a tester can observe whether the gradient between the two standard knots of the tower body is within a safety value or not on a measurement site, and the gradient between the two adjacent standard knots can be read through the scale marks in the dial plate.

The application discloses a method for matching airspeed and flight height under the condition of precision of radioactive measurement of an unmanned plane, and comprises the following steps: S1, using the unmanned plane to detect a geological body, and determining a relationship between the flight speed of the unmanned plane and the precision of radioactive measurement of the geological body; S2, determining a count rate according to the flight height of the unmanned plane and the effective detection area of a detector crystal; S3, determining a relationship between the measurement flight height of the unmanned plane, the precision of radioactive measurement and the flight speed of the unmanned plane according to the relationship between the flight speed of the unmanned plane and the precision of radioactive measurement of the geological body and the count rate, and matching the measurement flight height and the flight speed of the unmanned plane based on the set precision of radioactive measurement of the unmanned plane, the application is suitable for the technical field of unmanned planes, the flight speed of the unmanned plane is calculated according to the flight height of the unmanned plane and the precision requirement of a measurement site, the working time is reduced and the efficiency is improved while the measurement requirement is ensured, and a parameter contrast skeleton table is provided, difference calculation can be performed, and the calculation process is simplified.

Provided is a cuff worn by being wound around a measurement site for blood pressure measurement, the cuff being characterized in comprising: a bag-form exterior part having a circumferential direction that is the direction in which the cuff is wound on the measurement site, and a width direction that is orthogonal to the circumferential direction, the exterior part having an outer-side surface positioned on the outer side when the cuff is worn and an inner-side surface positioned on the inner side when the cuff is worn; a fluid bag accommodated in the exterior part; and a hook-and-loop fastener provided to a surface of the exterior part, a scale that demarcates the circumferential direction of the exterior part being provided to the surface of the exterior part, and it being possible, when the cuff is worn, to identify where a prescribed part of the cuff is positioned on the scale.

The invention relates to the technical field of engineering surveying and mapping, in particular to an adjustable inclinometer for engineering surveying and mapping. Comprising a data pipe, a moving structure, a winding structure, a cleaning structure, a storage box and a probe rod, the moving structure comprises a bottom plate, moving wheels are arranged at the bottom end of the bottom plate, the winding structure comprises a winding wheel, the winding wheel is placed above the bottom plate, the two ends of the winding wheel are movably sleeved with supporting rods, one side of one supporting rod is provided with a motor, and the other side of the supporting rod is provided with a cleaning mechanism. One end of the motor is connected with one end of the winding wheel, the cleaning structure is arranged on one side of the winding structure, an adjusting structure is arranged at the bottom end of the cleaning structure, the cleaning structure is connected with the bottom plate through the adjusting structure, the cleaning structure comprises a connecting cover, and the two ends of the connecting cover are communicated. The movable inclinometer has the beneficial effects that the movable structure is arranged, so that the inclinometer can conveniently move among different measurement sites, the flexibility and convenience of measurement are improved, and the workload of carrying the inclinometer by surveying and mapping personnel is greatly reduced.

The present invention is a method for measuring the film thickness of a visible metalworking agent that is adhered to a mold. According to the present invention, a film thickness measurement method for a metalworking agent includes an image data acquisition step for acquiring image data obtained by capturing an image of the appearance of the surface of a mold to which a metalworking agent is adhered and a plurality of markers that have different measured L* values, a correspondence relationship derivation step for using the measured L* values and captured L* values for the plurality of markers from among captured L* values from the image data to derive the correspondence relationship between the measured L* values and the captured L* values, a film thickness derivation step for using the correspondence relationship and the correlation between the measured L* values and film thickness values to derive a film thickness for the metalworking agent from a captured L* value for a measurement site in the image data, and an outputting step for outputting the film thickness derived for the metalworking agent.

The invention discloses a standardized evaluation method for shell hardness of crassostrea gigas, and belongs to the field of aquatic shellfish mechanical phenotype determination and biomineralization material performance detection. The method comprises the following steps: carrying out cleaning pretreatment on double shells of crassostrea gigas; respectively determining the longest axis and the widest axis in the contours of the left shell and the right shell, constructing an orthogonal reference cross axis, axially arranging three standardized measurement sites of the left shell and the right shell at positions about 5mm away from the inner sides of the edges of the shells, and marking the standardized measurement sites; cutting the marked area to obtain a flat shell sample; applying a load of about 10 gf to each measurement site by using a Vickers microhardness tester, maintaining the pressure for about 10 seconds, and carrying out multiple indentation tests to obtain an original hardness value; carrying out abnormal value elimination and mean value calculation on the data to obtain representative hardness values of all sites; and further comprehensively calculating representative hardness values of six sites of the left shell and the right shell, and constructing an individual comprehensive shell hardness index. Compared with an existing single-point or random sampling measurement method, the method has the advantages that the problems of irregular shell shapes, asymmetry of left shells and right shells and the like of oysters are considered, and the accuracy and repeatability of oyster hardness phenotype measurement are remarkably improved through standardization of measurement sites and multi-site high-repetition measurement. The method can be widely applied to the fields of oyster stress resistance evaluation, marine acidification, environmental monitoring and the like, provides possibility for accurate phenotype determination in GWAS and QTL positioning in breeding, and has a huge application prospect.

The embodiment of the present application provides a detection module and electronic equipment. The detection module comprises a pressing member and a thin film sensor. The pressing member is used for pressing a measurement site. The thin film sensor is used for measuring a pulse wave signal of the measurement site, and the thin film sensor is arranged between the pressing member and the measurement site. The detection module and the electronic equipment provided by the embodiment of the present application can reduce the difficulty of miniaturization of the electronic equipment.

The invention discloses an earthquake geomagnetic observation data acquisition and processing integrated device which comprises a box body, a threaded rod is rotatably connected to the interior of the box body, the threaded rod is in threaded connection with a base, a vertical frame is fixedly connected to the upper portion of the base, the vertical frame is fixedly connected with a triangular frame, and electric pull ropes are arranged on three frame edges of the triangular frame. According to the device, the base is driven by the threaded rod to drive the vertical frame to ascend and descend automatically, point location data collection design without manual intervention in the subsequent measurement process is combined, and a worker does not need to manually pull a wire to determine a point location; moreover, the device can achieve the precise positioning and data recording of a measurement point through the structure of the device, and a worker does not need to bend down to draw points on the ground for marking. In the whole process, a worker only needs to carry the box body to a measurement site and complete initial operation, and does not need to repeatedly stoop or pull a wire subsequently, so that physical output is remarkably reduced, and the problem of back pain caused by frequent stoop and wire pulling is fundamentally avoided.

The application discloses a kind of local tissue oxygen saturation detection systems for postoperative free flap, including front-end flexible detection module and rear-end signal processing module;Front-end flexible detection module includes the flexible packaging layer of flexible material and the interface layer of being arranged on packaging layer, the material of interface layer is hydrogel mixture, and the detection circuit for being encapsulated in packaging layer is used to detect the blood oxygen saturation of human tissue;Rear-end signal processing module is connected with the front-end flexible detection module, and the rear-end signal processing module processes the signal detected by the front-end flexible detection module, and the local tissue oxygen saturation information is obtained by calculating detection signal.This application is all designed with flexibility, avoids the mechanical damage of detection part to measurement site, so that the sensing part can better adhere to the surface of human skin, improve the accuracy of measurement and the comfort of patient.

The utility model discloses a geomagnetic field measuring device with a wireless transmission function. The geomagnetic field measuring device comprises a single-chip microcomputer; and an analog-to-digital converter; the system further comprises a three-dimensional magnetic field detection module, the three-dimensional magnetic field detection module comprises a Hall sensor, the Hall sensor is electrically connected with the single-chip microcomputer through an analog-to-digital converter and used for measuring a space magnetic field and generating analog signals, and the analog-to-digital converter is used for converting the analog signals into digital signals and sending the digital signals to the single-chip microcomputer. And the positioning module is electrically connected with the single-chip microcomputer and is used for measuring the latitude, longitude and altitude of the position where the three-dimensional magnetic field detection module is located. According to the utility model, the magnetic field measurement technology and the positioning technology are combined, the magnetic field information and the geographical location information are displayed at the same time, the blank in the market is filled, the cost is low, the measurement site selection is more flexible, the data transmission real-time performance is enhanced, and the device can be loaded on an unmanned aerial vehicle, overcomes terrain obstacles, measures the geomagnetic field of a certain point, and is convenient to use. And more accurate geomagnetism at a certain position can be obtained and recorded.

A harmonization system for a brain activity classifier harmonizing brain measurement data obtained at a plurality of sites to realize a discrimination process based on brain functional imaging: obtains data, for a plurality of traveling subjects as common objects of measurements at each of the plurality of measurement sites, resulting from measurements of brain activities of a predetermined plurality of brain regions of each of the traveling subjects; calculates, for each of the traveling subjects, prescribed elements of a brain functional connectivity matrix representing the temporal correlation of brain activities of a set of the plurality of brain regions; using a generalized linear mixed model, calculates measurement bias data 3108 for each element of the brain functional connectivity matrix, as a fixed effect at each measurement site with respect to an average of the corresponding element across the plurality of measurement sites and across the plurality of traveling subjects; and thereby executes a harmonizing process.

The present invention provides a hand-held non-contact thermometer (1) using the forehead as a measurement site, the non-contact thermometer (1) being provided with: a rod-shaped housing (2) having a tip section (2a) in which an infrared sensor (11) is incorporated; and a measurement button (13) which is provided in the housing (2) and which operates the infrared sensor (11). The front end part (2a) of the housing (2) is provided with a foremost end part (2c) and a flat sensor surface (4b), and the sensor surface (4b) extends from the foremost end part (2c) to the base end part (2b) in an inclined manner. The measurement button (13) is provided on the same side as the sensor surface (4b) in a side view in the housing (2).