59 results about "Measurement site" patented technology

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 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.

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 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 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 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.

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).

A first holding member and a second holding member are arranged so as to sandwich a measurement site of a measurement subject, and are capable of clamping the measurement site. A light beam emitted from a light emitting unit is guided to the first holding member by an optical fiber, passes through an optical system, is reflected by a reflection unit, and is then incident on the measurement site. A detection unit housed in the second holding member detects a photoacoustic signal generated in the measurement site irradiated with the light beam emitted from the light emitting unit. A matching member is arranged between the second holding member and the measurement site, and is in contact with the measurement site.

The invention relates to the technical field of measuring devices, in particular to a deformation measuring device and method for an assembled bridge, and the device comprises a mounting disc, a measuring instrument body and an adjusting assembly which comprises a mounting arm, a sleeve seat, a connecting rod, a rotating insertion rod, a locking part, a plane supporting member and a length adjusting member. During measurement, the positions of the rotating inserting rod and the plane supporting component can be adjusted according to the soil texture condition of a measurement site, supporting can be carried out through the rotating inserting rod when soft soil exists, supporting can be carried out through the plane supporting component when not in the soft soil, and it is achieved that a single device is directly arranged in different environments; therefore, the problems that most of supporting frames of traditional bridge deformation measuring devices are only suitable for a single environment, different support structures need to be selected for use in different environments, and use is inconvenient are solved.

The utility model discloses depth measuring equipment for river channel construction, which comprises a base, the upper surface of the base is fixedly connected with an angle adjusting seat, the inner wall of the angle adjusting seat is hinged with a primary support frame, and the front surface of the angle adjusting seat is fixedly connected with a motor. According to the device, the laser distance measuring sensor is matched with the sonar sensor, the laser distance measuring sensor in a shallow water area quickly obtains accurate data by means of the high precision advantage, the sonar sensor in a deep water area effectively works, the limitation of a single sensor in different water areas is avoided, and the accuracy of measurement data of the whole water area is ensured; meanwhile, the first-stage supporting frame with the adjustable angle can flexibly adjust the measurement angle according to the actual conditions of different measurement sites, and the device adapts to diversified measurement environments; the electric hydraulic telescopic rod can adjust the measurement length according to the estimated river channel depth, the measurement requirements of river channels with different depths are met, and the application range of the device is greatly expanded.

A non-invasive, optical-based physiological monitoring system is disclosed. One embodiment includes an emitter configured to emit light. A diffuser is configured to receive and spread the emitted light, and to emit the spread light at a tissue measurement site. The system further includes a concentrator configured to receive the spread light after it has been attenuated by or reflected from the tissue measurement site. The concentrator is also configured to collect and concentrate the received light and to emit the concentrated light to a detector. The detector is configured to detect the concentrated light and to transmit a signal representative of the detected light. A processor is configured to receive the transmitted signal and to determine a physiological parameter, such as, for example, arterial oxygen saturation, in the tissue measurement site.

The present disclosure provides a shape evaluation method of a thermally conductive adhesive, including collecting two-dimensional shape information of a measurement site of the thermally conductive adhesive distributed on a substrate, dividing the measurement site into two or more units, measuring heights of each unit to evaluate a thickness of the measurement site, and measuring shading of each unit to evaluate a discontinuity of the measurement site.

Methods, systems, and devices for quantifying geothermal heat flux using shallow subsurface temperature measurements are provided. A method can include deploying vertical temperature probes with fiber optic sensors, strain sensors, and advective sensors at measurement sites. Time-series temperature data is then recorded, processed to determine equilibrium temperature profiles, and corrected for climate-driven signals, strain, and advection effects. Geothermal heat flux is calculated by combining the corrected temperature gradient with subsurface thermal conductivity, and a heat flux map can be generated to identify geothermal energy resources.

The present application provides a kind of double-sided metal-clad laminated board and circuit substrate, with excellent dimensional stability can also be faced with size Large-scale.A kind of double-sided metal-clad laminated board, including insulating resin layer and the metal layer of the two sides of laminated in the insulating resin layer long strip film type double-sided metal-clad laminated board, and the length of the width direction of double-sided metal-clad laminated board with length direction orthogonal is 230mm or more, when the thickness direction birefringence of at least three measurement sites is measured to the multiple measurement sites of the same length direction position and different width direction positions in the insulating resin layer is set, in the coordinate of the value of the thickness direction birefringence is set as longitudinal axis, the width direction distance from the arbitrary reference position of width direction to each measurement site is set as transverse axis, the absolute value of the slope of straight line obtained by least square method to the plotting point corresponding to each measurement site is less than 1 × 10 ‑5 / mm.

A hand-held type non-contact thermometer for which a measurement site is a forehead, the non-contact thermometer including: a casing having a rod shape including a fore end portion with a built-in infrared sensor; and a measurement button provided in the casing for operating the infrared sensor. The fore end portion of the casing includes a foremost end portion and a flat sensor surface extending to be inclined from the foremost end portion toward the base end portion. The measurement button is provided on the same side of the casing as the sensor surface in a side view.

This application provides a lifting lighting illuminance measuring device, relating to the field of illuminance measurement. The lifting lighting illuminance measuring device includes: a lighting device for illumination; a horizontal angle measuring assembly for measuring rotation angles on the top of the lighting device; the lighting device consists of a lifting lamp post with adjustable height and a lamp holder with a rotatable angle on its top; a crown gear on the bottom surface of the lamp holder; a drive motor that drives the crown gear to rotate on one side of the outer surface of the lifting lamp post; and the illuminance measuring assembly located on the front of the lighting device. When illuminance measurement is required, the illuminance measuring assembly is placed 50 meters in front of the lighting device. After the drive motor operates, its output terminal causes the lamp holder to rotate left and right. As the lamp holder rotates, data is measured through the horizontal angle measuring assembly on its top, reducing the requirements for the measurement site and simplifying the operation steps.

An extracorporeal blood treatment apparatus, comprises: at least a pressure sensor (24, 25) located in a respective measurement site on an extracorporeal blood circuit (6, 7); an electronic control unit (23) operatively connected at least to the pressure sensor (24, 25). The electronic control unit (23) is configured to perform at least the following procedure: receiving from the pressure sensor (24, 25) a signal correlated to a measured blood pressure (P1measured, P2measured) in the measurement site; correcting the blood measured pressure (P1measured, P2measured) through a mathematical correction model to obtain a blood actual pressure (Pinlet, Poutlet) in a reference site other than the measurement site. Between the reference site and the measurement site, a circuit section and, optionally, at least one additional device (18, 27, 28) is / are positioned. The mathematical correction model is a model of a pressure drop in the circuit section and, optionally, in the additional device (18, 27, 28).