8results about How to "Understand the distribution" patented technology

The invention relates to the technical field of point cloud registration, in particular to a point cloud registration method for accurate measurement of sanitary appliance poses. The method comprises the following steps: carrying out scanning data acquisition on the sanitary appliance by utilizing a three-dimensional scanner to obtain multi-view original scanning data; performing surface point cloud generation according to the multi-view original scanning data to obtain sanitary appliance surface point cloud data; key point field searching is carried out on the sanitary appliance surface point cloud data to obtain a key point field set; performing key point feature analysis according to the key point field set to obtain a key point feature descriptor; performing feature point pair matching according to the key point feature descriptors to obtain preliminarily screened feature point pair data; and performing transformation matrix estimation on the data according to the preliminarily screened feature points to obtain transformation matrix data. According to the method, the local geometric features of the sanitary appliance surface are effectively extracted, the calculation complexity is effectively reduced, the method is more suitable for the assembly scene with the high real-time requirement, and then the sanitary appliance assembly precision and efficiency are improved.

The invention relates to a blood type specificity IgG antibody typing detection reagent card, a kit and a preparation method thereof. The blood type specificity IgG antibody typing detection reagent card comprises a plurality of accommodating holes and information identifiers, magnetic beads coated with anti-erythrocyte antibodies, acridinium ester-labeled anti-human IgG antibodies of different subtypes, and a working solution are respectively arranged in the accommodating holes. The preparation method comprises the following steps: preparing magnetic beads coated with anti-erythrocyte antibodies and different subtypes of anti-human IgG antibodies marked by acridinium ester; respectively mixing the magnetic beads coated with the anti-erythrocyte antibodies and the acridinium ester-labeled anti-human IgG antibodies of different subtypes with a protection solution; and the information identification is arranged on the outer side of the containing hole. The blood type specificity IgG antibody typing detection kit comprises the reagent card, a pre-excitation solution and an excitation solution. The reagent card is high in specificity, easy and convenient to operate and suitable for large-scale clinical detection, and the detection efficiency and accuracy are improved.

The present invention discloses a shallow sea environment intelligent monitoring system and method using multiple buoys, and relates to the technical field of marine environment monitoring. The monitoring system comprises: an equipment combination module, a response area division module, a regional change tracking module, a regional correction module, and a regional detection module. The technical key points are: dividing the buoy into a number of gradient intervals based on the distance between the buoy and its nearest coast, and then analyzing the movement direction and movement speed of the detection object according to the change of the concentration of the detection object within the same gradient interval or in different gradient intervals over time, so as to predict the diffusion position of the detection object in advance, provide a basis for the capture of aquatic products or the management of the environment, and adapt to the variability of the marine environment; and then based on the historical diffusion trend of the detection object with the same or similar concentration retrieved from the database, the diffusion trend of the detection object is corrected, thereby ensuring the accuracy of the diffusion trend analysis of the detection object.

The invention relates to a coal yard intelligent management and control system, and belongs to the technical field of coal yard management, and the system comprises a coal yard monitoring module which is used for obtaining the coal mine information of each coal storage area in a coal yard, and the operation state information and monitoring information of each device, and the coal mine information comprises the coal mine type, the coal mine quality, the coal mine stock and the coal storage time; the monitoring information comprises coal mine surface temperature, coal retaining wall temperature, gas concentration information and image information of each coal storage area; the scheduling plan generation module is used for generating a coal unloading strategy based on at least one piece of incoming material information, all the coal mine information, the state information of all the bucket wheel machines and a preset coal unloading rule; or generating a coal taking strategy based on the coal consumption demand information, all the coal mine information, all the state information of the bucket wheel machine and a preset coal taking rule. The method has the effects of optimizing the operation process of the coal yard, improving the operation efficiency and finding various potential safety hazards of the coal yard in time.

The invention discloses a non-contact water quality detection water meter, which relates to the technical field of water quality detection, and comprises a water quality and water quantity detection assembly used for detecting water quality and water quantity conditions. When the device is used, a servo motor is started, a driving wheel, a driven wheel and a convex rod are driven to rotate, and a connecting block, a detection plate and a sonic sensor are further driven to rotate along the outer surface of a detection pipe, so that the sonic sensor can detect water in the pipe from different circumferential angles; the limitation that fixed position detection can only observe from a single angle is overcome, the distribution condition of substances in water and possible non-uniformity are known more comprehensively, the reliability of a detection result is improved, measurement errors can be reduced, the detection precision is improved, and under the cooperation of the moving assembly and the rotating assembly, the detection accuracy is improved. The effect of water quality detection in the horizontal direction and at multiple angles is achieved, and it is avoided that dirt is accumulated at a certain position and influences the detection result.

The application discloses a kind of high-frequency single-photon tilt wavefront detection method and device, comprising the following steps: using wavefront modulation technique, high-speed coding and modulation are carried out to incident light wavefront;Single-photon signal acquisition, using single-photon detector, the single-photon signal focused after being focused by light signal guiding focusing device is collected, and the received photon signal is converted into electrical signal and is output by detector;Single-photon signal processing, single-photon signal wavefront reconstruction, according to the extracted wavefront tilt information, wavefront is reconstructed using wavefront reconstruction algorithm;Data correction;Data result analysis.The application uses wavefront modulation technique to carry out high-speed coding and modulation to incident light wavefront, can improve the performance of light signal guiding focusing device, enhance system flexibility, wavefront modulation technique allows the amplitude, phase, polarization state and wave vector direction parameter of light wave to be independently or simultaneously regulated, which greatly enhances the flexibility and functionality of light signal guiding focusing device, and can optimize imaging quality.

The invention provides a thick layered bottom water common heavy oil reservoir well pattern structure adjusting method, which comprises the following steps of: according to the oil saturation of remaining oil in a reservoir and a well logging interpretation result of an oil well, judging a water content rising reason of the reservoir in a well area and the enrichment condition of the remaining oil among the oil wells; theoretical water cone radiuses of different depths in the longitudinal direction of each vertical well and theoretical water ridge radiuses of different depths in the longitudinal direction of each horizontal well in the well area are calculated according to the oil saturation of the remaining oil; making a longitudinal water logging dynamic profile map of the oil well in the well area by adopting an oil reservoir dynamic analysis method, and determining oil-water distribution in a remaining oil enrichment area by applying numerical simulation so as to determine the type of remaining oil; according to the type of the remaining oil, well pattern parameters are determined through numerical simulation, and well pattern structure adjustment is carried out according to the well pattern parameters; and horizontal well production parameters are adjusted according to the determined well pattern parameters. According to the method, the remaining oil distribution can be described more accurately and finely, the water content rising speed of the block is effectively slowed down, and the overall reserve utilization degree is improved.

The invention discloses a grain surface flatness active monitoring system for a leveling robot, and relates to the technical field of leveling robots and grain surface leveling. The system comprises a plurality of base stations and a leveling robot which are arranged in a granary, the system further comprises a radio frequency module and a vibration sensing module, and the leveling robot comprises a robot body, a processing unit, a posture sensing module, a flash memory module, a scraper folding and unfolding module, a driving module and a communication module. A sensor in the leveling robot can automatically sense the self inclination angle and judge whether the grain surface is flat or not, the grain surface change is judged according to the change of the self inclination angle of the robot walking on the grain surface, the leveling robot does not have a blind area through data obtained through movement, and through mutual cooperation of a posture sensing module and a vibration sensing module, the grain surface can be leveled. And the grain pile distribution condition and the grain surface leveling condition are judged before and after the leveling module carries out leveling operation.