26results about "Humidity indication" patented technology

The invention provides a sunny and rainy period classification method based on microwave signal multi-time scale combination discrimination, and relates to the technical field of rainfall monitoring, and the method comprises the steps: obtaining microwave attenuation signal intensity data in a target drainage basin and rainfall data of a ground station; preprocessing the data; selecting and counting characteristic values of the microwave attenuation signals under different time scales to form a characteristic matrix, and taking the characteristic matrix as a data set of a machine learning model; first 75% of the data set is selected as a training set, and machine learning models of different time scales are trained respectively; optimal parameters are determined through Bayesian optimization; the last 25% of the data set is selected as a verification set, and the machine learning models of different time scales are verified; the verified model is driven by the actually measured data of the target drainage basin to obtain discrimination results of different time scales, and the rainfall period is discriminated through a weight factor scoring method, so that the feature information of multiple time scales can be fused, the limitation of single time scale discrimination is made up, and the reliability of rainfall period discrimination is improved.

This invention provides a method for classifying rainy seasons using microwave signals across multiple time scales, relating to the field of precipitation monitoring technology. The method includes acquiring microwave attenuation signal intensity data and rainfall data from ground stations within a target watershed; data preprocessing; selecting and statistically analyzing the feature values ​​of each microwave attenuation signal at different time scales to form a feature matrix, which is then used as the dataset for a machine learning model; selecting the first 75% of the dataset as the training set to train machine learning models at different time scales; determining the optimal parameters through Bayesian optimization; selecting the last 25% of the dataset as the validation set to validate the machine learning models at different time scales; using measured data from the target watershed to drive the validated models, obtaining discrimination results at different time scales, and using a weighted factor scoring method to determine the rainy season. This method integrates feature information from multiple time scales, overcoming the limitations of single-time-scale discrimination and improving the reliability of rainy season discrimination.

The invention discloses a water vapor inversion method based on microwave communication links and regional climate characteristics. The method comprises the following steps: constructing at least one microwave communication link in a target region; in a rainfall process, monitoring attenuation data of all microwave communication links in real time; inverting original water vapor data based on the water vapor inversion model and all the attenuation data; and optimizing the original water vapor data by using a pre-trained water vapor optimization model corresponding to the target area to obtain optimized water vapor data. The invention provides a water vapor inversion method and system based on a microwave communication link and regional climate characteristics, and the method comprises the steps: firstly, carrying out the inversion of water vapor data, namely, single data, of each sub-region in a target region based on the attenuation condition of the microwave communication link in a rainfall process; and then the water vapor optimization model is utilized to optimize the single data, so that the single data can better reflect the real rainfall condition of the sub-region, and the accurate monitoring of the overall rainfall condition of the target region is realized.

A VPD sensor for a horticultural environment is provided. The VPD sensor includes an upper housing, a lower housing, and a vapor pressure deficit sensing module. The lower housing is coupled with the upper housing and includes a lower sidewall and a bottom wall that cooperate to define an interior. The vapor pressure deficit sensing module is coupled with the lower housing and is disposed in the interior. The upper housing and the lower housing are spaced from each other along a centerline to define an air gap therebetween that is in fluid communication with the interior. The lower sidewall defines an opening that is in fluid communication with the interior and cooperates with the interior and the air gap to define a fluid pathway that extends through the interior and between the opening and the air gap.

This water vapor observation device (10) comprises an antenna (40), an RF amplifier (30), a frequency setting unit (21), and a water vapor index calculation unit (22). The antenna (40) receives radio waves radiated from an atmosphere including water vapor. The RF amplifier (30) amplifies the received radio waves and generates an observation signal. The frequency setting unit (21) uses the observation signal to set a plurality of observation frequencies excluding an accuracy degradation frequency. The water vapor index calculation unit (22) calculates a water vapor index using the spectral intensity of the plurality of observation frequencies. This configuration makes it possible to accurately observe a water vapor amount.

The present invention provides a detection device equipped with a light-emitting unit that can accurately correct the temperature detected by a sensor and perform appropriate display related to the temperature, and a method for correcting the detected value in the detection device. [Solution] The thermometer 1 comprises at least a sensor 20 for detecting temperature, a display unit 22 for displaying the detected temperature, a light-emitting unit 24 for indicating temperature-related information by the color of light emitted, and a control means 9. The control means 9 comprises an acquisition unit 92 for acquiring elapsed time information of the light-emitting unit 24 emitting light, a recognition unit 93 for recognizing the intensity of the light emitted by the light-emitting unit 24, a plurality of correction temperature tables T1 to T4 for indicating a correction temperature to correct the temperature detected by the sensor 20 based on the elapsed time information acquired by the acquisition unit 92 and selected according to the recognized light intensity, and a calculation unit 94 for calculating the corrected temperature from the corrected temperature determined using the selected correction temperature tables T1 to T4 and the temperature detected by the temperature and humidity sensor 20.

A VPD sensor for a horticultural environment is provided. The VPD sensor includes an upper housing, a lower housing, and a vapor pressure deficit sensing module. A lower housing is coupled with the upper housing and includes a lower side wall and a bottom wall that cooperate to define an interior. The vapor pressure deficit sensing module is coupled to the lower housing and disposed inside the lower housing. The upper housing and the lower housing are spaced apart from each other along a centerline to define an air gap therebetween in fluid communication with the interior. The lower sidewall defines an opening in fluid communication with the interior and cooperates with the interior and the air gap to define a fluid path extending through the interior and between the opening and the air gap.

The invention relates to a method (200) for determining the relative humidity in a cabin (110) of a vehicle (100), comprising acquiring (220, 230) an instantaneous dew point temperature for a geographical location (210) near the vehicle (100), determining (240) the actual interior air temperature inside the vehicle cabin (110), and determining (260) the relative humidity of the air inside the vehicle cabin (110) based on the dew point temperature and the actual interior temperature. A computing unit (130) and a computer program for carrying out such a method (200) are also proposed.

The invention provides a side slope state monitoring method and system for monitoring a side slope, relates to monitoring of the side slope state and / or early detection of side slope instability, and is used for taking prevention measures of side slope instability in time. The method comprises the following steps: acquiring volumetric water content from a plurality of sensors arranged on a slope; determining a safety factor of the slope using the volumetric water content based on a linear regression model obtained from the simulated volumetric water content corresponding to the humid meteorological conditions; and generating an alert in response to the safety factor being below a safety threshold, the alert indicating that a slope instability may occur. The system includes a controller arranged to perform the method and a sensor arranged on a selected slope and arranged to provide volumetric water content. The sensors can comprise osmometers arranged at the slope top and the slope toe of the selected slope and capacitive moisture sensors distributed at different elevations of the selected slope. According to the invention, a slope evaluation solution with relatively high cost effectiveness can be provided.

This water vapor observation device (10) comprises an antenna (40), an RF amplifier (30), a frequency setting unit (21), and a water vapor index calculation unit (22). The antenna (40) receives radio waves radiated from an atmosphere including water vapor. The RF amplifier (30) amplifies the received radio waves and generates an observation signal. The frequency setting unit (21) uses the observation signal to set a plurality of observation frequencies excluding an accuracy degradation frequency. The water vapor index calculation unit (22) calculates a water vapor index using the spectral intensity of the plurality of observation frequencies. This configuration makes it possible to accurately observe a water vapor amount.

A wearable environmental sensor includes an environmental sensor arranged on a wall surface of a housing including a sealed section, the wall being in contact with an environment, and a protective structure formed around the environmental sensor, wherein the protective structure includes a plurality of ventilating holes, a sensor surface of the environmental sensor is arranged to face an opening of at least one of the ventilating holes, and an attaching part for attaching the environmental sensor to the wall surface comes into contact only with an edge of a sensor substrate of the environmental sensor and with a portion of a back face of the sensor substrate.

METHOD FOR MANAGING ATMOSPHERIC WATER GENERATION DEVICES The invention relates to a method for controlling at least one atmospheric water generation device. The method comprises the generation (GEN1) of at least one control indicator based on an estimation of meteorological conditions (EST1), an estimation of infrastructure water consumption requirements (EST3), an estimation of electrical energy availability (EST2) and an estimation of the performance (EST4) of the atmospheric water generation device. Figure for the abstract: Fig.9

METHOD FOR MANAGING ATMOSPHERIC WATER GENERATION DEVICES The invention relates to a method for controlling at least one atmospheric water generation device. The method comprises generating (GEN1) at least one control indicator based on an estimate of meteorological conditions (EST1), an estimate of infrastructure water consumption needs (EST3), an estimate of electrical power availability (EST2), and an estimate of the performance (EST4) of the atmospheric water generation device. Figure for the abstract: Fig. 9

The invention relates to a system and method for meteorological modelling. The method comprises carrying out data exchange in an infrastructure network, receiving navigation satellite system signals (5) from the navigation satellites (2) of the global navigation satellite system in the infrastructure network nodes (20, 21, 22, 23, 24, 25, 26), and controlling operation of the infrastructure network nodes (20, 21, 22, 23, 24, 25, 26) based on the received navigation satellite system signals (5). The method further comprises determining atmospheric delays of the navigation satellite system signals (5), and calculating atmospheric quantities between the navigation satellites (2) and the infrastructure network nodes (20, 21, 22, 23, 24, 25, 26) based on the determined atmospheric delays of the navigation satellite system signals (5).

The invention relates to a system and method for meteorological modeling. The method comprises performing a data exchange in an infrastructure network, receiving, in an infrastructure network node (20, 21, 22, 23, 24, 25, 26), a navigation satellite system signal (5) from a navigation satellite (2) of a global navigation satellite system, and controlling operation of the infrastructure network node (20, 21, 22, 23, 24, 25, 26) based on the received navigation satellite system signal (5). The method further comprises determining an atmospheric delay of the navigational satellite system signal (5) and calculating an amount of air between the navigational satellite (2) and the infrastructure network node (20, 21, 22, 23, 24, 25, 26) based on the determined atmospheric delay of the navigational satellite system signal (5).

The present application is a water vapor observation device, a water vapor observation system, a water vapor observation method, and a computer-readable storage medium. The water vapor observation device (10) includes an antenna (40), a radio frequency amplifier (30), a frequency selection unit (21), and a water vapor index calculation unit (22), wherein the antenna (40) receives radio waves radiated from an atmosphere containing water vapor, the radio frequency amplifier (30) amplifies the received radio waves to generate an observation signal, the frequency selection unit (21) selects a plurality of observation frequencies except for a precision degradation frequency based on the observation signal, and the water vapor index calculation unit (22) calculates a water vapor index using spectral intensities of the plurality of observation frequencies, thereby enabling observation of the amount of water vapor with good precision.

There is provided herein an automatic defog sensor comprising: a flexible printed circuit board having mounted thereon a first sensor portion configured to measure a surface temperature of a windshield of a vehicle, and a second sensor portion configured to measure an interior temperature and humidity of the vehicle; a first housing configured to receive the flexible printed circuit therein and to be adhered to the surface of the windshield; and a second housing coupled to the first housing to shield the flexible printed circuit board and having a passage through which air flows.

METHOD FOR ESTIMATING A VERTICAL PROFILE OF ATMOSPHERIC RELATIVE HUMIDITY Method (500) for estimating a vertical relative humidity profile (11a-b,30), said method using an input dataset (200), comprising at a minimum an estimated vertical relative humidity profile VPRHe(t) (10a-b, 20), an estimate of cloud cover CFe(t) (21) and an observation of cloud cover CFo(t) (22), said method being implemented by means of a computer device (800), said method comprising the following consecutive steps: (520) identification of local maxima RHmaxi(t) (15a-b) of the vertical relative humidity profile VPRHe(t) (10a-b,20); (530) verification of variability in the observed cloud fraction ∆CFo(k), over a time interval ; and (540) identification of the type of correction that is applied to the VPRHe(t) profile (10a-b,20). Figure from the abstract: figure 4

Method for determining local weather conditions (41), local precipitation (42) and / or local road surface conditions (43) in the immediate vicinity of a vehicle (1) by evaluating signals (23-30) from at least one vehicle environment sensor (2; 3), wherein at least one interference signal (24; 26; 28; 30) of the at least one vehicle environment sensor is taken into account for determining the local weather conditions (41), local precipitation (42) and / or the local road surface conditions (43), wherein the at least one vehicle environment sensor (2; 3) comprises a radar, lidar sensor and / or a laser scanner.

The application relates to a three-dimensional water vapor tomography inversion method and system fusing Beidou and Fengyun data, and comprises the following steps: constructing a multi-source data joint observation system integrating Beidou observation signals, Fengyun remote sensing observation signals and Fengyun occultation observation signals, wherein the Beidou observation signals are provided by Beidou satellites, and the Fengyun remote sensing observation signals and the Fengyun occultation observation signals are provided by Fengyun satellites; and establishing and solving a joint observation equation set to obtain a three-dimensional water vapor field. Firstly, the multi-source data joint observation system is constructed, the Beidou observation signals guarantee a basic geometric framework and a high-precision benchmark required by tomography; the Fengyun remote sensing observation signals provide fine structure information in the horizontal direction of the atmosphere; and the Fengyun occultation observation signals provide a high-vertical-resolution water vapor profile as a strong constraint in the vertical direction of tomography. Then, the three-dimensional water vapor field is obtained by establishing and solving the joint observation equation set, and the geometric configuration of the observation signals is fundamentally optimized, so that the inversion precision is effectively improved.

To provide a dew condensation rainfall meter and an environment testing machine using the dew condensation rainfall meter that are able to accurately estimate, with a simple structure, an adhering state of moisture on a sample surface.SOLUTION: A dew condensation rainfall meter includes: a dew condensation meter in which a hydrophilic material is installed on a substrate and an electrode is installed on the hydrophilic material; and a rainfall meter in which a water-repellent material is installed on a substrate and an electrode is installed on the water-repellent material. In an environment in which various samples are exposed outdoors or in an environment in which accelerated environmental conditions (temperature, humidity, sunlight, and the like) are artificially reproduced and a degree of deterioration of each of the samples is evaluated, the dew condensation rainfall meter 1 is installed at substantially the same position as the sample, and an adhering state of moisture on a surface of the dew condensation rainfall meter 1 is detected.SELECTED DRAWING: Figure 1

The invention relates to a system and method for meteorological modelling. The method comprises carrying out data exchange in an infrastructure network, receiving navigation satellite system signals (5) from the navigation satellites (2) of the global navigation satellite system in the infrastructure network nodes (20, 21, 22, 23, 24, 25, 26), and controlling operation of the infrastructure network nodes (20, 21, 22, 23, 24, 25, 26) based on the received navigation satellite system signals (5). The method further comprises determining atmospheric delays of the navigation satellite system signals (5), and calculating atmospheric quantities between the navigation satellites (2) and the infrastructure network nodes (20, 21, 22, 23, 24, 25, 26) based on the determined atmospheric delays of the navigation satellite system signals (5).

The invention relates to a three-dimensional water vapor chromatography inversion method and system fusing Beidou and wind cloud data, and the method comprises the steps: constructing a multi-source data combined observation system integrating a Beidou observation signal, a wind cloud remote sensing observation signal and a wind cloud occultation observation signal, the wind cloud remote sensing observation signal and the wind cloud occultation observation signal are provided by a wind cloud satellite; and establishing and resolving a combined observation equation set to obtain a three-dimensional water vapor field. The method comprises the following steps: firstly, constructing a multi-source data joint observation system, wherein a Beidou observation signal guarantees a basic geometric framework and a high-precision reference required by chromatography; the wind cloud remote sensing observation signal provides fine structure information of the atmosphere in the horizontal direction; the wind cloud occultation observation signal provides a water vapor profile with high vertical resolution as a strong constraint of chromatography in the vertical direction. And then a three-dimensional water vapor field is obtained by establishing and resolving a combined observation equation set, so that the geometric configuration of observation signals is optimized fundamentally, and the inversion precision is effectively improved.

The present invention relates to a system and method for weather modeling. The method includes performing data exchange in an infrastructure network, receiving a navigation satellite system signal (5) from a navigation satellite (2) of a global positioning satellite system at infrastructure network nodes (20, 21, 22, 23, 24, 25, 26), and controlling the operation of the infrastructure network nodes (20, 21, 22, 23, 24, 25, 26) based on the received navigation satellite system signal (5). The method further includes determining an atmospheric delay of the navigation satellite system signal (5), and calculating an amount of atmosphere between the navigation satellite (2) and the infrastructure network nodes (20, 21, 22, 23, 24, 25, 26) based on the determined atmospheric delay of the navigation satellite system signal (5).

The present invention provides a multifunctional natural disaster risk monitoring device and a monitoring method thereof, belonging to the technical field of natural disaster prevention. It comprises a protective tube; a main body, which is installed inside and on the top of the protective tube, and is used to collect rainwater and measure rainwater, wherein the main body comprises a shaft rotatably installed on the side wall of the protective tube, one end of the shaft extends out of the protective tube, a tipping bucket is fixedly installed on the shaft, and a bracket is fixedly installed inside the protective tube. When monitoring rainfall, the present invention can not only monitor the wind direction and wind speed, but also use the wind direction and wind speed to change the angle of the movable ring for collecting rainwater, so that the movable ring is perpendicular to the wind direction, thereby improving the rainwater collection efficiency. At the same time, the tipping bucket is turned over by a motor instead of gravity, so the turning accuracy is higher and the turning is more timely, thereby making the measurement more accurate.