154results about How to "Enables continuous monitoring" patented technology

The invention relates to method and system for realizing video intelligent track navigation. The method for realizing video intelligent track navigation comprises the following steps: establishing a camera association relation table for storing camera association relations among all cameras; acquiring information of a newly added camera from a camera association relation maintenance module, and setting basic attributes of the newly added camera; generating associated camera information according relevant camera attribute information; displaying associated cameras according to the associated camera information; carrying out association relation adjustment and confirmation on the associated cameras; and storing the camera association relation information in the camera association relation table. The system for realizing video intelligent track navigation comprises a control terminal, a server, a video matrix and a plurality of cameras and can intelligently prompt monitoring personnel with the possible moving direction of a monitored target and display relevant images in advance so that the monitoring personnel can switch to relevant images quickly after the monitoring target enters into another image, thereby realizing the continuous track and improving the security quality of video monitoring systems. The system for realizing video intelligent track navigation has the advantages of simply operation, convenient control and the like and can significantly improve the working efficiency of the monitoring personnel.

The invention discloses a data assimilation method for monitoring soil moisture. The method provided by the invention at least comprises an assimilation cycle, and each assimilation cycle comprises the following steps: (1) an ecological process model serves as a dynamic model to stimulate the space distribution state of soil moisture every day, the initial value in the dynamic model is an initial parameter and an initial soil moisture data, and the dynamic model is operated to output simulative soil moisture data; remotely sensed data on the soil surface is performed with inversion to obtain surface layer soil moisture data; the simulative soil moisture data in the remotely sensed data corresponding date is combined with the surface layer soil moisture data obtained by remotely sensed data inversion for data assimilation so as to obtain an optimized ecological process model parameter; (2) the optimized parameter is substituted into the dynamic model in step (1) to operate the dynamic model so as to obtain simulative soil moisture data every day. The method provided by the invention can connect soil moisture variety with vegetable physiological response mechanism by water deficit and stress, which improves the precision of field soil moisture monitoring and drought evaluation and has important application prospect.

The invention discloses a regional water body rapid dynamic extraction method combining optics and radar. The method comprises the following steps: obtaining optical remote sensing image data of a monitoring region; obtaining radar remote sensing image data of the monitoring area; preprocessing the optical remote sensing image data and the radar remote sensing image data respectively; obtaining aspectral index based on the preprocessed optical remote sensing image data; extracting an optical remote sensing area water body classification map based on the spectral index; based on the optical remote sensing area water body classification map, extracting a radar remote sensing area water body classification map in the preprocessed radar remote sensing image data; and obtaining a monitoring area water body map based on the optical remote sensing area water body classification map and the radar remote sensing area water body classification map. According to the invention, dynamic extractionand monitoring of water bodies in a regional range can be realized.

The invention discloses a method for monitoring and processing the reservoir bank slope deformation based on InSAR image data. The method is characterized in that on the basis of acquiring the InSAR data of a reservoir bank slope of a drainage basin, the deformation information of a monitoring area is extracted by means of the SqueeSAR technology and differential interference processing, abnormalvalue identification is performed for the acquired deformation time sequence to define unstable regions appearing within the monitoring range; secondly, two factors of a reservoir water level and therainfall are considered, in combination with relevant geological conditions, through the correlation analysis method, causes of deformation abnormality of the slope are determined and explained; and lastly, the monitoring data and related analysis are reflected in a monitoring report through graphs, tables and the like. Compared with the prior art, the method is advantaged in that continuous and semi-automatic monitoring of the large-scale and high-precision reservoir bank slope of the drainage basin can be realized, and deformation abnormality of the slope can be more reasonably predicted.

The invention discloses a cast-in-place concrete major-diameter pipe pile body strain monitoring method based on BOTDA. The cast-in-place concrete major-diameter pipe pile body strain monitoring method is characterized in that a pair of vertical reinforcing steel bars are connected with arc-shaped reinforcing steel bars with arcs which are 1 / 4 of the circumference of a pipe pile to form carrier reinforcing steel bars. Grooves are formed in the carrier reinforcing steel bars, sensor fibers are embedded in the grooves, and the grooves are filled with epoxy resin. The pair of carrier reinforcing steel bars with optical fibers in an embedded mode are embedded in the cast-in-place concrete major-diameter pipe pile. Short pulsed light and continuous probe light are injected from the two ends of the sensor fibers with the BOTDA method, and strain information of points in the axial directions of the sensor fibers is obtained by measuring frequency changes of stimulated brillouin scattering light in the sensor fibers. The cast-in-place concrete major-diameter pipe pile body strain monitoring method has the advantages of being simple in construction wiring, resisting to interference, being high in accuracy and the like.

The invention relates to an ultra-wide-angle high resolution day and night dual-purpose camera lens which is characterized in that a front group (A) with negative focal power and a rear group (B) with positive focal power are respectively arranged along the incident direction from left to right of an optical path, the front group (A) comprises a negative meniscus lens (A-1) and a negative meniscus lens (A-2), the rear group (B) comprises a biconvex lens (B-1), a biconvex lens (B-2) and a cemented group with close connection of a biconvex lens (B-3) and a negative meniscus lens (A-4), and an optical stop (C) is positioned between the biconvex lens (B-1) and the biconvex lens (B-2). The ultra-wide-angle high resolution day and night dual-purpose camera lens has ultra-wide-angle, strong light power, high resolution and wide spectral confocal performance, and can provide a full-interface clear image better than 2 million pixels for a high-resolution network camera system and realize 24-hour continuous monitoring and no shift of an image focus during day-night switching.

The present invention discloses an artificial upwelling marine environment multi-parameter real-time continuous three-dimensional monitoring system, which comprises a plurality of same monitoring units, wherein every monitoring unit comprises a mooring line buoy body, an instrument cabin, a data acquisition and control module, a wireless data transmission module, a power supply module, an antenna, a connection mechanism, profile measurement sensor sets, a weight bearing cable line, a transmission cable line, a weight balancing block and a ground monitoring center, wherein the upper portion of the mooring line buoy body is provided with the antenna, the instrument cabin is arranged inside the mooring line buoy body, the data acquisition and control module, the wireless data transmission module and the power supply module are arranged inside the instrument cabin, the lower portion of the mooring line buoy body is connected with the upper end of the weight bearing cable line through the connection mechanism, the lower end of the weight bearing cable line is connected with the weight balancing block, and the plurality of the profile measurement sensor sets are arranged on the weight bearing cable line. According to the present invention, multi-parameter monitoring can be achieved with a variety of sensors, and real-time monitoring can be achieved with the wireless data transmission module.

The invention discloses a device and method for monitoring pile body strain of a round solid pile. The device comprises the round solid pile, a single-mode sensor fiber, a Brillouin time domain analysis meter, glue and epoxy resin, the single-mode sensor fiber is fixed on the surface of the round solid pile through the glue and coated with the epoxy resin, and the Brillouin time domain analysis meter is respectively connected with the two ends of the single-mode sensor fiber. The method includes the steps of enabling the Brillouin time domain analysis meter to be connected to the two ends of the single-mode sensor fiber to form a measurement circuit; collecting initial data of the single-mode sensor fiber; collecting real-time data of the single-mode sensor fiber after the pile body of the round solid pile bears external loads; obtaining a difference of the real-time data and the initial data, wherein the difference is a pile body strain value under the pressure effect; further calculating a deformation value and the stress of the round solid pile according to the pile body strain value of the round solid pile. According to the method, the shortcoming that a traditional strain gage is hard in installation method and not high in rate of survival is overcome, and the distributed continuity monitoring on the pile body strain of the round solid pile is achieved.

The invention discloses a railway vehicle monitoring method, system and device, a storage medium and a processor. The method comprises the steps of monitoring parameters and / or state of a vehicle through a vehicle-mounted sensor cluster to obtain first monitoring data, and preprocessing the first monitoring data to obtain second monitoring data; and sending the second monitoring data to the vehicle-mounted gateway, the second monitoring data being processed into third monitoring data by the vehicle-mounted gateway, and sending the third monitoring data to a ground management platform by the vehicle-mounted gateway so that the ground management platform is enabled to monitor the parameters and / or the state of the vehicle. The technical problems that in the prior art, the monitoring efficiency of railway vehicles is low, and real-time monitoring cannot be achieved are solved.

The invention provides a cloud-computing-based traditional Chinese medicine health management cloud system. The cloud-computing-based traditional Chinese medicine health management cloud system is characterized in that the cloud-computing-based traditional Chinese medicine health management cloud system includes a user terminal, a cloud server, a data acquisition module, a data analysis processingmodule and a data security maintenance module, wherein the user terminal, the data acquisition module, the data analysis processing module, and the data security maintenance module are all connectedwith the cloud server through a mobile communication network, wifi or the Internet for data interaction; the cloud server is provided with an original database; and the original database is used for storing traditional Chinese medicine health information data of users with various physiques. Through the technical solution of the cloud-computing-based traditional Chinese medicine health managementcloud system, the personal user data is no longer saved in a medical institution, but is saved in the cloud server, and can be accessed anytime and anywhere; and a distributed statistical and learningplatform is formed by a large number of servers, so that individual users, health agencies, and experts can interact in real time to predict possible lesions.

The invention discloses a navigation enhancement system based on low-orbit constellation monitoring GNSS signals and broadcasting GNSS frequency band navigation enhancement signals. The system comprises a low-orbit constellation, a transportation control system and a navigation terminal. The transportation control system monitors and receives navigation signals, obtains monitoring data of the navigation signals, and transmits the monitoring data obtained through monitoring back to the transportation control system. The transportation control system generates correction parameters of respectiveorbits, clock differences, code Deviations (DCB) and carrier phase deviations (FCB) of navigation satellites and the low-orbit constellation of four GNSS systems according to the monitoring data transmitted back by the low-orbit constellation and the monitoring data monitored by the transportation control system, carries out framing to obtain navigation enhancement data, uploads the navigation enhancement data to the low-orbit satellites, carries out modulation and coding on broadcasting data to form the navigation enhancement signals, and broadcasts the navigation enhancement signals to thenavigation terminal. The navigation terminal carries out high-precision positioning, speed measurement and time service calculation, solves the problem of same-frequency receiving and transmitting, and achieves low-orbit navigation enhancement.

The invention discloses a monitoring device based on a flexible force sensing element for quantitative pulse waves. A flexible force sensing diaphragm and antennas with flexible radio frequency tags are integrated in an elastomer wristband with constant pretension force. A measuring circuit, a microcontroller chip, a radio frequency communication chip and a power management circuit are prepared into a flexible electronics system by adopting a flexible printed circuit board. The flexible force sensing diaphragm of an elastomer matrix is set to a fixed range of the pretension force by an elastomer wristband with constant elongation rates. Signal processing makes voltage changes of the force sensing element sent to a reader-writer device in a radio frequency tag protocol. Signals of the quantitative constant pulse waves are obtained by comparing the voltage change value with a standard calibration load or a voltage curve. The reader-writer device makes the signals uploaded to a background support data device in a Bluetooth, WIFI way or internet data formats. Management software makes single or a plurality of flexible pulse wave sensing devices with the radio frequency tags achievable in signal reading and management, and the low-cost monitoring device for the quantitative constant pulse waves can be generated.

The invention discloses a wireless remote automatic odor sampling monitoring system and a cascade sampling method thereof. The cascade sampling method comprises the steps: a monitoring center sends a sampling control command and an environment odor concentration measurement control command to sampling front-end equipment; the sampling front-end equipment receives the sampling control command and the environment odor concentration measurement control command, collects a gas sample, and measures the gas sample; the sampling front-end equipment measures the fetor concentration of the gas, and transmits the fetor concentration of the gas to a monitoring center through the Internet; the monitoring center receives the fetor concentration of the gas and manages and stores data; when the fetor concentration of the gas is more than or equal to a first threshold and less than a second threshold, a low-concentration sampler is adopted for collecting the gas sample; when the fetor concentration of the gas is more than or equal to the second threshold and less than a third threshold, a medium-concentration sampler is adopted for collecting the gas sample; when the fetor concentration of the gas is more than or equal to the third threshold, a high-concentration sampler is adopted for collecting the gas sample. The invention realizes real-time monitoring of the fetor concentration in a monitoring region.

The invention provides a heavy metal sensing and monitoring apparatus, and belongs to the field of water pollution monitoring and treatment. The heavy metal sensing and monitoring apparatus comprises a microbiological fuel cell, which comprises an anode chamber, a cathode chamber and a proton exchange membrane (PEM) for separating the anode chamber and the cathode chamber, wherein the anode chamber comprises an anode, microorganisms and organic matters; the cathode chamber comprises a cathode, heavy metal cations and an optionally existed cathode catalyst; the anode and cathode are connected to double terminals of an external resistor through circuits, and the circuits are also connected to a data acquisition apparatus.

The invention discloses a wearable electro-cardio signal collection device based on a fabric electrode. The device can carry out complete collection of electro-cardio signals of a human body aiming at the fabric electrode which is a novel flexible electrode. The device is characterized in that input impedance conversion of the fabric electrode could be achieved by an impedance conversion circuit, so the problem about high input impedance of the fabric electrode could be solved; common mode rejection and differential amplification are completed by a low-pass filtering circuit and a differential circuit; and finally, AD sampling and data set package transmission could be achieved. In comparison with a traditional electro-cardio collection circuit, the device disclosed by the invention is characterized in that the impedance conversion circuit is added at the fabric electrode part; power is supplied by a single power source; and an operational amplifier with a high signal to noise ratio and high input impedance is selected. In this way, the puzzle that signals are incomplete when the traditional electro-cardio collection circuits are used to extract the electro-cardio signals of the human body with application of the fabric electrode could be solved. The device is characterized by good performance, the small size and low power consumption. The device can be widely applied to wearable electro-cardio signal collection based on the fabric electrode; and comfort and convenience of use are enhanced.

The invention provides an online synchronous and continuous monitor of total phosphorus, total nitrogen and total organic carbon of ultraviolet digestion. The online synchronous and continuous monitor is characterized by comprising a washing device, a micro-filter, a plurality of reagent bottles, a plurality of peristaltic pumps, an acidification reactor, an oxidization reactor, a mixer, a color developing reactor, an oxygen bottle, a flow meter and the like, which are connected with a water sample pipeline to be detected, and is provided with an infrared carbon dioxide detector, a total nitrogen detector, a total phosphorus detector, a sewage flow detector and the like for detecting; then a signal processor, a data processor and the like are used for processing detected data; continuous running of a water sample and a reagent is realized by utilizing continuous running of the plurality of peristaltic pumps, and the degradation efficiency and the degradation speed are high; the efficiency of continuous oxidization is not lower than 95%; a traditional constant volume sampling mode is changed into a mobile sampling mode, and a water sample to be analyzed can be sampled for 30 times or above every minute; and the single-item average value data of the concentration of the total phosphorus, the total nitrogen and the total organic carbon, which are collected and stored every day, reaches 1440 times or above, so that real-sense continuous monitoring of the total phosphorus, the total nitrogen and the total organic carbon is realized.

The invention relates to a continuous online CO2 monitoring system and method for underground fluids. The continuous online CO2 monitoring system comprises a gas inlet, a first solenoid valve, a dehumidification restorable pipe, a second solenoid valve, an array type infrared CO2 sensor, a third solenoid valve, an electromagnetic pump, a fourth solenoid valve and a gas outlet which are connected sequentially through a pipeline, wherein one end of a drying and filtering pipe is connected with the second solenoid valve through the pipeline, and the other end of the drying and filtering pipe is connected with the fourth solenoid valve through the pipeline; the dehumidification restorable pipe, the array type infrared CO2 sensor, the electromagnetic pump and the four solenoid valves are electrically connected with a master control unit respectively. The monitoring method comprises the following steps: the master control unit controls a communication channel of the four solenoid valves, and a monitoring gas channel, a cleaning gas channel and a dehumidification restoring channel are formed. With adoption of the monitoring system and method, wide-range continuous monitoring of CO2 concentration in a high-humidity environment is realized, various filter and compensation means are adopted, the anti-interference performance is good, errors are reduced effectively, the monitoring precision is high, the stability is good, and effectiveness of earthquake prediction is improved.

The invention relates to an intelligent monitoring system for a beam end expansion device of a long-span railway steel bridge. The intelligent monitoring system comprises an environmental impact variable monitoring sub-module, a main guide bridge beam end displacement monitoring sub-module, an expansion device main body monitoring sub-module, a beam end running condition monitoring sub-module anda rail inspection vehicle beam end detection sub-module. Through adoption of the intelligent monitoring system, intelligent monitoring of the beam end expansion device is realized, and monitoring content covers environmental impact variables; main lead bridge end displacement monitoring is realized; longitudinal and lateral displacement monitoring of the expansion device, vertical deflection and strain monitoring, and video monitoring are realized; beam end driving state monitoring is realized; and access to rail inspection vehicle detection data is realized. The intelligent monitoring systemrealizes automatic real-time monitoring and evaluation of the working state of the beam end expansion device, has the functions of intelligent monitoring, data analysis and evaluation, and state prediction and diagnosis, covers the monitoring of various static and dynamic parameters of environments and structures as well as driving state, and provides technical reference for the engineering department.

The invention discloses a device for a soil water, vapor, heat and salt coupled migration test of an unsaturated zone. The device comprises a soil pillar unit, an evaporation unit, a water supply unitand a monitoring unit, wherein the soil pillar unit comprises a soil pillar with an opening at the upper end, and the outer side wall of the soil pillar is wrapped with thermal insulation sponge. Themonitoring unit comprises a monitoring system and a data acquisition system, the monitoring system comprises multiple soil water-temperature-conductivity sensors and soil temperature sensors insertedinto the soil pillar, and the monitoring system is connected with the data acquisition system. The evaporation unit comprises a radiation lamp suspended above the soil pillar. The water supply unit comprises a water supply device mounted on a support frame through a lifting system, and the water supply device is communicated with the soil pillar and a peristaltic pump. The device can convenientlyand continuously monitor the water, temperature and conductivity of the unsaturated zone to obtain the migration condition of liquid water, water vapor, hot flows and salt in the unsaturated zone andprovides necessary information for study on the migration distribution law of water, heat and salt in the unsaturated zone.

The invention relates to a maize canopy leaf color modeling system and method. The maize canopy leaf color modeling system comprises a support module arranged on a field preset place, an image acquisition module, an automatic meteorological and moisture state acquisition module, a data acquisition and transmission module, and a cloud storage and calculating module. The image acquisition module, the automatic meteorological and moisture state acquisition module, the data acquisition and transmission module, and the cloud storage and calculating module are arranged on the support module. The cloud storage and calculating module is used for carrying out maize canopy image sequence analysis in dependence on the maize canopy image, the meteorological data and soil information, and establishes a maize canopy leaf color changing model in order to carry out analysis and evaluation on the maize canopy leaf color and the growth vigor of the image acquired in real time in dependence on the maize canopy leaf color changing model. According to the invention, maize populations in the field can be continuously monitored in the whole growth period, influence of factors such as different meteorological conditions, different soil moisture states and the like on the maize leaf color is considered, the maize canopy leaf color changing model is established, and a feasible scheme is provided for chlorophyll content determination and maize growth vigor analysis which are based on the maize canopy leaf color.

The invention belongs to the technical field of surrounding rock monitoring, and discloses an anchor rod. The anchor rod includes an anchor rod body, a supporting tray and an anchor rod head, the anchor rod body is internally provided with a cavity, distributed sensor fibers are distributed in the cavity, the supporting tray sleeves the anchor rod body and is locked through the anchor rod head. According to the anchor rod, strain continuous monitoring can be realized based on the support function of the anchor rod, and thus reliable judgment of the stability of surrounding rock is realized.

The invention relates to a monitoring technology for radioactive aerosol in an environment and discloses a method for continuously measuring concentrations of thoron daughters in the environment for limited times without replacing filter membranes. The method includes: measuring concentrations and of 220Rn daughters in a to-be-measured environment by primary sampling, and then, using an alpha-particle detector for measuring integral counting Nj(alpha)[Tj1, Tj2] and Nj(alpha)[Tj2, Tj3] of 8,78MeV alpha-particles emitted by a sample obtained by jth sampling within the time periods of [Tj1, Tj2] and [Tj2, Tj3] after continuing sampling for t0min without replacing the filter membranes; computing to obtain Nj''(alpha)[Tj1, Tj2] and Nj''(alpha)[Tj2, Tj3] according to the formulas (19a) and (19b); computing concentrations and of the 220Rn daughters in the to-be-measured environment according to the formula (20).

The invention relates to sugar-sensitive intelligent hydrogel based on a gold surface and a synthesis method thereof. The synthesis method of the gold surface-based sugar-sensitive intelligent hydrogel comprises the following three steps of pre-treating a gold sheet so that the surface of the gold sheet is provided with -OH, efficiently introducing double bonds on the surface of the gold sheet orderly by a silane coupling agent and an acid anhydride, synthesizing the hydrogel on the surface of the gold sheet from acryamidophenylboronic acid as a monomer, a glucose molecule as a template and N, N'-methylene bisacrylamide as a cross-linking agent by an ultraviolet light-initiated polymerization reaction, and after the reaction, removing the glucose molecule by washing so that a large amount of glucose molecular imprinting cavities are formed on a hydrogel membrane on the surface of the gold sheet. The sugar-sensitive intelligent hydrogel based on a gold surface will be used in the field of biological signal detection and realizes dynamic identification and detection of glucose and other physiological indexes under the human physiological conditions.

The invention provides an A-mode ultrasound based urination monitoring and alarming device and method. The device comprises an A-mode ultrasonic probe with angle adjustable, an A-mode ultrasonic transceiving module, an ultrasonic signal processing module and an alarm module, wherein the A-mode ultrasonic transceiving module comprises a pulse signal generator, an ultrasonic transceiving control module and a signal filtering and amplifying circuit; and the ultrasonic signal processing module comprises a signal analyzing and processing module and an A / D data acquiring circuit. The device and the method have the following advantages: the device is simple, is convenient to carry, is powered with batteries, can realize continuous monitoring of urine volume in the bladder and has strong usability; and the device signal analyzing and processing procedure in the method is simple and is lower in cost.

The invention discloses a mirror and a method for monitoring the health of a user through integration of image processing and heart rate characteristics. The network technology is adopted, collected user health data can be timely transmitted to a cloud server to be stored, and accordingly the problem that the user cannot track the self-health-state in the long term is successfully solved and the user can timely adhere to the self-health-state when using equipment. According to the mirror and the method for monitoring the health of the user through the integration of the image processing and the heart rate characteristics, the continuous monitoring can be achieved, the problems can be found and adjusted timely, the use is convenient, the speed is high, the real-time effect is achieved, the cost is low, the application range is wide, and the like.

The invention discloses an intelligent monitoring system and method for large-section chamber deformation in a deep mine. The intelligent monitoring system comprises a signal receiving and transmitting device (1), a rotating control device (2), a horizontal rotating pier (3), a lifting column (4), a base (5), and a control device (6), the signal receiving and transmitting device (1) is mounted onthe rotating control device (2), and the rotating control device (2) is mounted on the horizontal rotating pier (3); and the horizontal rotating pier (3) is mounted on the lifting column (4), the lifting column (4) is mounted on the base (5), and the signal receiving and transmitting device (1), the rotating control device (2) and the lifting column (4) are in communication connection with the control device (6). According to the intelligent monitoring system and method for large-section chamber deformation in the deep mine, continuous monitoring and multi-directional deformation monitoring can be achieved, and the degree of automation is high.

The invention provides a BIM-based steel structure deformation monitoring method. The method comprises the steps of obtaining a field point cloud model of a steel structure; comparing the on-site point cloud model with the BIM model, expressing a monitoring result including the position of the steel structure of which the deformation value exceeds a theoretical allowable deviation range, the deformation form of the steel structure and the position of the steel structure of which the theoretical deviation is greater than a preset threshold value in a chromatographic form, and feeding back the monitoring result to the site; and adopting corresponding control measures on site. The problems that a traditional structural deformation monitoring means is large in point distribution workload, incomplete in monitoring range and large in measurement result error, and an existing BIM model is disjointed with field conditions can be solved, the three-dimensional laser scanning technology and the BIM technology are combined, overall continuous monitoring of the building construction process is achieved, the overall state of a building is reflected more quickly and comprehensively, reliable guarantee is provided for deformation control in the construction process, and meanwhile social and economic benefits are improved.

The invention discloses a blood pressure measuring method and blood pressure measuring equipment. The blood pressure measuring method comprises the steps that blood pressure is measured through a first measuring method to obtain first blood pressure data; the blood pressure is measured through a second measurement method to obtain second blood pressure data; and first calibration processing is performed on the second blood pressure data to obtain third blood pressure data, wherein first calibration processing comprises the step of adjusting the second blood pressure data according to the firstblood pressure data. The blood pressure is measured through the first measurement method to obtain the first blood pressure data, and the second blood pressure data is adjusted according to the firstblood pressure data, so that the measurement precision of the second measurement method is improved, wherein the second measuring method can be used for measuring the blood pressure in a connected mode so as to achieve continuous monitoring of the blood pressure, and therefore the accuracy of blood pressure measurement is improved.