209results about How to "Make up for the error" patented technology

The invention provides a non-contact free space eye-gaze tracking method suitable for man-machine interaction. The method comprises the steps of positioning and tracking a face and eyes in real time, extracting eye movement biological characteristic information, building an eye movement model based on the eye movement biological characteristic information, building a mapping relational model of the eye movement model and an eye-gazed object and the like. The non-contact free space eye-gaze tracking method suitable for the man-machine interaction relates to multiple crossed fields of image processing, computer vision, pattern recognition and the like and has wide application prospect in the fields of new-generation man-machine interaction, disabled people assisting, aerospace relating field, sports, automobile and airplane driving, virtual reality, games and the like. In addition, the method has great practical significance for improvement of the life and self-care level of disabled people, building of a harmonious society and improvement of independent innovative capability in the national high-and-new technical fields of the man-machine interaction, unmanned driving and the like.

The invention discloses a system and a method for collaboratively navigating, investigating and monitoring an unmanned aerial vehicle and an intelligent vehicle. The system comprises an unmanned aerial vehicle unit, a PC (personal computer) and an intelligent vehicle unit, wherein the PC controls the unmanned aerial vehicle unit to transport the intelligent vehicle unit which is adsorbed to the bottom of the unmanned aerial vehicle unit to a designated area; the unmanned aerial vehicle flies and monitors in the designated area, and acquired a ground image of the monitored area at fixed frequency; the PC splices a plurality of acquired ground images of the monitored area to obtain the picture of the whole monitored area, and converts the picture into a binary picture; a ground grid and a barrier are identified to calculate positions of the ground grid and the barrier in a two-dimensional coordinate graph of the picture of the monitored area; optimal travelling path information is calculated by utilizing the positions of the ground grid and the barrier in the two-dimensional coordinate graph of the picture of the monitored area, and transmitted to the intelligent vehicle unit for being stored; the intelligent vehicle unit performs tracking travelling according to the optimal travelling path, and performs ultrasonic automatic obstacle avoidance to travel to a designated place.

The invention relates to a calibration method for representing dense sandstone pore size distribution by adopting nuclear magnetic resonance; the method comprises the steps of measuring the rock porosity and the skeleton density; carrying out a low-temperature broken sample N2 absorption and desorption experiment, and carrying out a nuclear magnetic resonance test and a high pressure Hg injection test on a regular column sample in a saturated formation water state; converting pore volume obtained through N2 absorption into porosity components under different pore throat radiuses by using a capillary accumulated Hg inlet curve, and establishing a pore proportion summation curve by synthesizing low temperature N2-high pressure Hg injection; determining a best calibration coefficient by comparing the nuclear magnetic resonance pore proportion summation curves under the different C values to realize the conversion between nuclear magnetic resonance T2 spectrum and the pore throat radius; establishing a relation between parameters of the calibration coefficient C and a reflection pore-throat structure according to lithological characters; carrying out nuclear magnetic resonance conversion on dense sandstone reservoirs which are positioned in the same region and have the same lithological character. According to the method, the nuclear magnetic resonance T2 spectrum is calibrated by combining low temperature N2 absorption and a high pressure Hg injection experiment, and large pores, micropores and mesopores are calibrated, so that the distribution of different grades of pore sizes in dense sandstone can be effectively represented.

The invention provides a Naive Bayesian classification based mobile phone spam short message filtering method and system. The system comprises a message intercepting module, a cache, a blacklist filtering module, a keyword filtering module and an intelligent Naive Bayesian classification filtering module. The message intercepting module is used for intercepting newly received short messages; the blacklist filtering module is used for filtering the new short messages according to a preset blacklist; the keyword filtering module is used for filtering the new short messages on the basis of preset keyword pairs; the intelligent Naive Bayesian classification filtering module is used for calculating probability that whether the new short messages are spam short messages or not by adopting a Naive Bayesian algorithm on the basis of a pre-trained feature word bank, and judging the new short messages as the spam short messages if the probability ratio exceeds a preset threshold, and as normal short messages otherwise. By the Naive Bayesian classification based mobile phone spam short message filtering method and system, through combination of the blacklist, the keywords, Naive Bayesian classification technology and Chinese word segmentation technology, the short messages are judged whether to be the spam short messages or not intelligently, so that the spam short messages are filtered.

The present invention provides an image motion compensation method for a space optical remote sensor, relating to an image motion compensation method and solving the problem that the current image motion velocity vector calculation method used in image motion compensation cannot satisfy complex imaging tasks and the calculation result is not accurate. The process of the image motion compensation method is as follows: creating five coordinate systems starting from ground targets to image points, transferring the coordinates for a plurality of times according to the rotation and translation principles among vectors, describing the positions of the targets and the image points in the camera coordinate systems, obtaining the image motion velocity vector calculation formula and the calculation method when the satellite forms images of the targets, then obtaining the image motion velocity vector used in the image motion compensation of the space optical remote sensor. The image motion compensation method overcomes the deficiency in the prior art, dependently calculates the target positions needed in the image motion velocity vector calculation and integrally considers the orbit and attitude parameters, besides. The image motion compensation method is suitable for complex imaging tasks and general satellite orbit, and is used in the fields such as atmospheric environment monitoring, resources exploration, disaster prevention and the like.

The invention discloses an automatic feeding and discharging device, which comprises a distribution mechanism, a dropping mechanism and a conveyance mechanism. The conveyance mechanism is arranged between the distribution mechanism and the dropping mechanism and consists of a base, a feeding mechanism, a lifting mechanism and a conveying mechanism are disposed on the base, the lifting mechanism is arranged between the feeding mechanism and the conveying mechanism, and the feeding mechanism is connected with the distribution mechanism, and is also connected with the dropping mechanism. By the aid of the joint action of the distribution mechanism, the feeding mechanism, the lifting mechanism, the conveying mechanism and the dropping mechanism, automatic feeding and discharging of pipes can be realized, labor intensity of feeding and discharging of the pipes can be greatly reduced, production efficiency is enhanced, and production cost is lowered.

The invention relates to a garbage classification robot realizing identification and classification by an infrared sensor, and aims to provide with a trolley for identifying a target object by adopting hardware equipment. The garbage classification robot is characterized by comprising the trolley, wherein the trolley is provided with a garbage box, a mechanical arm for grabbing the garbage and placing the garbage in a garbage can and can rotate, and an intelligent processing unit; and the mechanical arm is provided with the infrared sensor, the trolley is also provided with an ultrasonic sensor in the direction of the mechanical arm, and the ultrasonic sensor and the infrared sensor are both connected with the intelligent processing unit. The garbage classification robot provided by the invention adopts the hardware, namely the infrared sensor to identify the garbage and classify the garbage, and has instantaneity and unique novelty, thus avoiding the phenomena of errors and slow identification caused by image processing; the ultrasonic wave and the infrared sensor are comprehensively applied, so that error of the sensor is remedied; and the whole system adopts an automatic and mechanized implementation manner, thus having high technical content.

The invention provides a view synthesis correction method and device. The method includes the following steps that: a test image sample is obtained according to a preset grating inclination angle, a preset grating pitch, sub pixel width and sub pixel offset; the test image sample is loaded onto a standard module set and a module set to be corrected; when the standard module set and the module set to be corrected meet preset conditions, sub pixel offset corresponding to the standard module set and sub pixel offset corresponding to the module set to be corrected are obtained; a difference value between the sub pixel offset corresponding to the standard module set and the sub pixel offset corresponding to the module set to be corrected is calculated, and the difference value is determined as phase compensation quantity corresponding to the module set to be corrected; and view synthesis correction is performed on the module set to be corrected according to the phase compensation quantity. According to the view synthesis correction method and device of the invention, the phase compensation quantity corresponding to the module set to be corrected can be obtained, and view synthesis correction can be carried out according to the phase compensation quantity when the module set to be corrected displays an image in a follow-up stage even if grating attachment errors exist on the module set to be corrected, and therefore, the quality of image display of the module set to be corrected can be improved.

The invention discloses a method for reducing distributed machine learning communication overhead, which is based on a parameter server architecture, is suitable for multi-machine cluster distributed machine learning of a data center, and is also suitable for end cloud collaborative distributed machine learning with a server as a cloud end, a mobile phone or an embedded device as a terminal. The method comprises the following steps: firstly, calculating gradients of all working nodes, solving a global momentum by combining two rounds of parameter difference, summing the global momentum and a previous round of memory gradient to obtain a new round of memory gradient, sending a part of the new round of memory gradient to a server node, and accumulating the rest part; then enabling the server node to accumulate all sparse memory gradient sums so as to update parameters and broadcast the parameter difference of two rounds to all working nodes; and finally, enab;omh the working node to receive the two rounds of parameter difference and update the parameters. The method is based on global gradient compression, and only a part of global momentum is transmitted when the working node communicates with the server node, so that the communication overhead in distributed machine learning is reduced.

The invention discloses a short-period load predicating model based on a temperature accumulation effect and a gray correlation degree. The method comprises the steps of 1, selecting meteorological indexes with relatively high correlation degree; 2, considering a highest temperature of a previous day of a to-be-predicated day and average temperature data in a predicating process; 3, selecting a data sample; 4, establishing an LSSVM predication model; and 5, performing load predicating by means of trained model. The short-period load predicating model can well improve similar day selection precision and load predicating precision. The short-period load predicating model has advantages of optimizing a model training process, realizing consideration of the temperature accumulation effect, effectively tracking influence of air temperature change to the load according to a method of selecting the similar day according to the gray correlation degree, reducing time length in training, remarkably improving load predicating precision, and verifying feasibility of the presented predicating model.

The invention discloses a method for carrying out fusion processing on meteorological data and generating a numerical weather forecast, which comprises the following steps: step 1, collecting and receiving various meteorological element data from meteorological observation detection equipment or CCTV to obtain a meteorological element set X1; step 2, performing standardized preprocessing on the acquired meteorological element data to obtain a standardized meteorological element set X; step 3, performing three-dimensional data variation assimilation on the meteorological element set X, performing characteristic error analysis and cross covariance analysis on the data in the meteorological element set X to obtain a covariance error root mean square of each data in the meteorological elementset X, and obtaining an optimal meteorological element data type according to the covariance error root mean square; step 4, performing WRF numerical weather forecast mode compiling according to the optimal meteorological element type; and step 5, performing forecast post-processing on the WRF mode result to generate meteorological element numerical forecast.

The invention relates to a flammable liquid planar free-flowing combustion simulation experimental device and method. The device comprises an oil supply system, a rogue system, an overflow system anda test system. The flammable liquid is pre-placed in an oil drum, and is flown into a flow surface tray through a peristaltic pump, a silicone hose and a steel pipe buffer tub for ignition and burning, a thermocouple tree of the test system, a camera, a bonded thermocouple, a radiant heat flow meter and an infrared thermal imager are employed to perform experiment data and image collection, and are connected with a multi-channel data collection instrument for remote data transmission, real-time display and control so as to achieve measurement of parameters such as flow burning areas, temperatures, heat radiation and the flame heights, and through change of the leakage parameters, material cushion and flow surface angles, the flammable liquid planar free-flowing combustion simulation experimental device and method are high in experiment efficiency, safe and controllable, simple to operate, convenient to use and accurate in measurement, and can develop planar free-flowing combustion state research of different substances, different flow surface types and different flow angles.

The invention provides a method and a device for searching similar images based on perceptual hash. The device comprises an input unit, a difference unit, a searching unit, a screenshot unit, a perceptual hash algorithm unit, a comparison unit, and an output unit. The device has beneficial effects that after an input original image and a screenshot image of the original image are processed by the perceptual hash algorithm, the input original image and the screenshot image are respectively compared with images in a search library, so that under the condition that the input image is the screenshot image of a certain image, the source of the original image can be found. The device and the method improve accurate rate of the perceptual hash algorithm, and provide a new thinking for searching similar images.

The invention relates to a real-time sensor signal network transmission method based on linear predictive filtering. The technical proposal is that: a sending end only sends a sampling sequence needed by signal rebuilding, the received sampling sequence is recovered on a receiving end by adopting a linear predictive filtering method, and a source signal is rebuilt by adopting the sequence, thereby building a virtual local sensor of the signal, and a user can acquire a signal sampling estimation value by sampling the virtual local sensor. The method comprises the following steps: a, clock synchronization of the sending end and the receiving end, namely carrying out the clock synchronization of the sending end and the receiving end by adopting average round-trip time of multiple synchronous frames; b, sending optimization of the sampling sequence by the sending end; c, recovery processing of the sampling sequence by the receiving end; and d, signal rebuilding on the receiving end. The method has the advantages of optimizing sending data sequence, reducing network flow needed by data transmission, and ensuring that signal data use and network transmission of signals are separated and a user does not need to directly concern signal network transmission course.

The invention provides a small-load impact abrasion testing machine with a tangential velocity. The small-load impact abrasion testing machine comprises a substrate, a motion system, a test piece installation system and an impacting device, wherein the substrate is provided with an upper table top 4 and a lower bottom plate 1; the upper table top 4 is provided with an installation hole; the motion system is arranged between the upper table top 4 and the lower bottom plate 1 and is fixedly connected with the upper table top 4 through a fixing device; the motion system is provided with a coupler 9 and is connected with the test piece installation system 6 through the coupler 9; the test piece installation system comprises a main shaft 16 and a disk test piece 11 installed above the main shaft 16. The testing machine is suitable for a small-load impact abrasion test, the abrasion experiment of an impact working condition of the tangential velocity can be realized through the arrangement of the impact device, the motion system and the test piece installation system, and the small-load impact abrasion testing machine has the advantages of high automation degree, stable working load, good lasting work capability, high precision and good test data reproducibility.

The present invention provides a data processing method and device which are applied to a shopping platform. The method comprises the steps of: obtaining first commodity information; according to thefirst commodity information, obtaining a shop information set comprising a first commodity; obtaining the position information of a user; according to the position information of the user, obtaining the first shop information in a first pre-determined distance; determining whether it is needed to perform offline experience for the first commodity or not; if it is needed to perform offline experience for the first commodity, performing distribution of the first commodity through the first shop; and after the user performs experience of the first commodity, obtaining purchasing information. Thedata processing method and device solve the technical problems that network shopping cannot perform actual experience, is poor in purchasing effect and influences the users' satisfaction in the priorart, achieve combination of network shopping and offline actual experience, improve the users' shopping satisfaction, make up errors because commodities cannot be actually checked through network shopping and ensure the user shopping experience.

The invention discloses an initiative mild grinding and polishing device and a method based on a viscous-elastic material, and mainly solves such problems as nonuniform removing quantity, imprecious positioning of a polishing head, mismatching between the shape of a polishing tool and the surface of a workpiece and generation of errors by vibration of the workpiece in the polishing process. The device consists of such several parts as an ultrasonic generation part, a laser displacement sensor detecting part, a viscous-elastic material polishing part and a worktable. The device machines an optical free curved surface, needs no frequent adjustment of the cutter position for the surface of a part with a more complex curved surface, adjusts the force application frequency to change the shape of the viscous-elastic polishing head so as to always keep a gapless bonding state between the viscous-elastic grinding and polishing head and the surface of the workpiece in the machining process, and realizes initiative mild grinding and polishing of the workpiece.

The invention discloses a prefabricated assembled bridge deck plate dry joint connection structure and an implementation method and belongs to the field of bridge engineering. The prefabricated assembled bridge deck plate dry joint connection structure comprises prefabricated assembled type bridge deck plates, a top reserved pre-stressing hole channel, a top pre-stressing tendon, a top anchorage device, a top spacer, a bottom reserved pre-stressing hole channel, a bottom pre-stressing tendon, a bottom anchorage device, a bottom spacer and a water stop. The top pre-stressing tendon and the bottom pre-stressing tendon are stretched by mounting the spacers and the anchorage devices, so that top parts and bottom parts of the adjacent prefabricated bridge deck plates are connected together. Inaddition, the bottom reserved pre-stressing hole channel, the bottom pre-stressing tendon, the bottom anchorage device and the bottom spacer can be replaced with a bottom embedded part, a bottom steelplate and nuts; the bottom steel plate is fixed by mounting the nuts so as to reduce the workload for stretching the pre-stressing tendons. According to the prefabricated assembled bridge deck platedry joint connection structure and the implementation method disclosed by the invention, the design is simple, the cast-in-place concrete is not needed, the mounting is convenient and rapid, the construction of the full prefabricated bridge is implemented, and the structure has the characteristics of being repairable, and easy to replace and update.

The invention discloses a mountain land surface temperature remote sensing inversion method, which comprises the following steps of 1, downloading an on-board radiance product of a TIRS sensor carriedon a Landsat 8 satellite and a surface reflectance product of an OLI sensor, and carrying out data preprocessing; 2, calculating the surface emissivity; 3, calculating topographic parameters; 4, calculating atmospheric parameters; wherein the atmospheric parameters comprise atmospheric transmissivity, atmospheric uplink radiation and atmospheric downlink radiation; 5, carrying out mountain land surface temperature inversion. Aiming at complex terrains of mountain lands, terrain parameters such as gradient, slope direction and sky visual factors are introduced into a thermal radiation transmission equation, and a mountainous region surface temperature inversion method is established, so that errors caused by inversion of the mountainous region surface temperature by utilizing a conventional thermal radiation transmission equation are effectively reduced, and the mountain land surface temperature inversion precision is improved.

The invention provides a car-reversing auxiliary system. The car-reversing auxiliary system comprises a camera for obtaining images at the back of a car, and a display for displaying the images at the back of the car. The car-reversing auxiliary system further comprises a redrawing device which allows an operator to draw auxiliary indicators used for assisting the operator in reversing the car, and the auxiliary indicators are displayed on the images at the back of the car in a superimposed way. According to the car-reversing auxiliary system provided by the invention, the operator can redraw the auxiliary indicators by self under the condition that an auxiliary line does not meet the actual conditions, so as to make the auxiliary line meet the actual conditions. On the other hand, the invention further provides a car-reversing auxiliary method.

The invention discloses a modular epidemic prevention and control type police robot. The robot comprises a mobile chassis, a monitoring system, a temperature measuring system, an interaction system, adisinfection system, a storage cabin, a positioning navigation system and a control system. The robot adopts modular design, different functional modules can be carried according to actual combat requirements, the robot can adapt to complex epidemic prevention work as soon as possible, and the problem that an existing epidemic prevention robot is weak in environmental adaptability is solved.

The invention discloses a system for detecting sediment content by adopting capacitive differential pressure sensors. The system comprises a water sample pretreatment system, a signal acquisition system, a control treatment system, and a touch screen display system, wherein the systems are orderly connected, the touch screen display system is connected to a data transmission system; the data transmission system is connected with a configuration monitoring system; the signal acquisition system comprises a depth sensor, a sediment content sensor, a flow velocity sensor, a water temperature sensor and an analog quantity input / output module; and the depth sensor, the sediment content sensor, the flow velocity sensor and the water temperature sensor are connected with the analog quantity input / output module respectively; and the analog quantity input / output module comprises four analog signal input channels. The system comprehensively considers a plurality of environmental factors, realizes the high-accuracy sediment content measurement, can be applied in the field of general river sediment detection, and can also be applied in fields such as water quality management of reservoir areas and channel cleanout of yellow river basin, sludge discharge management of sewage treatment plants and the like.

The invention relates to a circuit breaker online monitoring and failure diagnosis device and a working method thereof. The device comprises a central processing unit, a power supply, an RTC (real-time clock) timer, a reset circuit, a displacement sensor, an analog / digital converter, a voice module, a JTAG (joint test action group) interface, an on-off input interface, an alarm circuit and the like. An idea for analyzing the running state of a circuit breaker by combining a mechanical characteristic method and a voice information method includes that characteristic parameters of the mechanicalcharacteristic method and a voice information analysis method are combined into a new characteristic parameter on a characteristic parameter layer, the new characteristic parameter is inputted to a trained gaussian mixed model to judge a model in which running state that the circuit breaker is closer to, accordingly, the running state of the circuit breaker is judged, parameters the most directlyreflecting the state of the circuit breaker are retained by the idea, voice characteristic parameters not easily affected by external environments are introduced, and running state online accurate monitoring and failure diagnosis of the circuit breaker are guaranteed.

The invention discloses a vehicle-mounted non-blind-area positioning navigation and travel posture measuring device and a measuring method. The measuring device comprises a satellite positioning module, a magnetic resistance sensor, a tilt angle sensor, a CAN bus interface, a micro controller and an external input / output interface; the outputs of the satellite positioning module, the magnetic resistance sensor and the tilt sensor are connected with the input of the micro controller; the micro controller is in two-way connection with a whole-vehicle CAN bus through the CAN bus interface; the micro controller is in two-way connection with an external device through the external input / output interface. The measuring device has the benefits of no positioning blind area, low development and design cost and low maintenance cost.

The invention discloses a multi-source sensor joint calibration method based on a three-dimensional regular octagonal structure. The method comprises the steps of calibrating internal parameters of acamera; constructing a three-dimensional laser point cloud model; correcting the three-dimensional laser point cloud based on inertial data; optimizing a laser jitter error superposition mean value; optimizing the laser stepping angle error increment; and constructing a multi-line-segment joint external parameter calibration model, and solving an external parameter optimal solution through a nonlinear method. The method can effectively improve the joint calibration precision and the data fusion effect of the multi-source sensor in a complex agriculture and forestry environment.

The invention belongs to a building reinforced concrete cutting apparatus, in particular to a hydraulic concrete cutting machine. The hydraulic concrete cutting machine is characterized by comprising a hydraulic supply source, an electric cabinet, a guide way component (1), a cutting feed component (4), a rotation component (7), a speed reducing component (12), a base component (14) and a hydraulic motor (16); the guide way component (1) is fixed on a guide way supporting frame (2); the base component (14) and the cutting feed component (4) are respectively installed at two sides of the guide way component (1); the rotation component (7) and the speed reducing component (12) are vertically connected and fixed above the base component (14); the hydraulic motor (16) is arranged at one end of the rotation component (7) and communicated with the hydraulic supply source through a hydraulic oil pipe; and the electric cabinet controls the operation of the cutting machine through a control cable. The invention adopts the cable control of the electric cabinet to automatically cut, is safe, has high efficiency, low cutting cost, convenient operation, no dust during operation and no repair for cutting processing.

The present invention provides a method of making up for walking two-value image distortion, main resolving the problem of human information defect contained in the walking two-value image of the walking database. The particular courses of the method is: processing denoising, cutting pretreatment to the walking two-value image to obtain a normal walking image; acting the difference value of the present representation walking image and a prevFrame normal walking image as frame difference of the normal walking image; adding each walking image in the walking cycle, and getting its average to obtain the walking energy image of the cycle; filtering the walk energy image according to the set threshold, removing the noise or weaker signal of the energy image to obtain a walking main image; combining the walking main image and the normal walking image to obtain frame difference main image to make up for distortion of the walking two-value image caused by human information defect, and embodying changes of the form under the walking course. The invention can effectively attribute the walking two-value image and improve discrimination, also can used for the image processing course of the walking identification.

The invention provides a connecting system for a parallel pipe type photobioreactor. The connecting system mainly comprises one or more of a photo-reactor connecting system, a photo-reactor and iron tube connecting system, a photo-reactor fixing system, an iron tube, pump and storage tank system and / or a self-control connecting system, which are combined and connected. The connecting system of the invention can overcome the defects of the prior art, provide a solution of a whole set of closed culture microalgae device which has the advantages of simple manufacture, convenient disassembly, highly efficient light energy utilization, conveniently assembly and self control, and effectively utilize the light energy; and in the process of assembling and using the connecting system, the photo-reactor products are protected to a great extent, and the assembly of the industrial scale-up type reactor is guaranteed.

The invention relates to a system and a method for improving the angle measuring accuracy of an inductosyn, belonging to the technical field of an inductosyn angle measuring system. A digital potentiometer, a FPGA and an active phase shift circuit are used to form a programmable signal phase adjustment unit, and the phase difference of two signals is adjusted through FPGA programming, so that theangle measurement accuracy of the system is improved.

The invention relates to a full-automatic detection device for an integrated type quantitative-sampling and reagent-filling device and particularly relates to a uniformly-mixing mechanism. The uniformly-mixing mechanism comprises a base, a uniformly-mixing motor, a testing-cup sleeve, a fixed plate and a lifting plate, wherein the fixed plate is fixedly arranged on the base; the lifting plate can slide vertically along the fixed plate and is provided with a transmission part for driving the lifting plate to act vertically; the testing-cup sleeve is rotatably arranged on the fixed plate by an ear shaft; a limiting component for limiting left-right free swinging of the testing-cup sleeve is arranged between the lifting plate and the testing-cup sleeve; and a positioning component for controlling accurate positioning of the lifting plate is arranged between the fixed plate and the lifting plate. The uniformly-mixing mechanism disclosed by the invention has the advantages that the structure is reasonable, the swinging and uniform mixing work of reagents can be effectively finished, the safe and sanitary effects are achieved, labor resources can be greatly saved, and the load of medical workers is relieved, so that the efficiency of blood-sample detection work is improved and the time of a patient is saved.