53results about How to "In-depth analysis" patented technology

The invention discloses a signaling flow analysis method. The method comprises steps that: a signaling acquisition step, a signaling pre-processing step, a signaling flow analysis step, a state machine editing step, a script editing step and a script interpreting step; a signaling flow analysis system is further disclosed, the signaling flow analysis system comprises a signaling acquisition module, a signaling pre-processing module, a signaling flow analysis module, a state machine editing module, a script editing module and a script interpreting module. The signaling flow analysis steps or modules are in combination with a customized state machine of an lua script to realize signaling reception, signaling analysis and signaling calculation, and a final state of the customized state machine is taken as an analysis result which is outputted to one application for use.

The invention discloses a capsule endoscope system. A conical mirror is added on an optical lens of a traditional capsule endoscope, and when a patient swallows a capsule endoscope body, a conical mirror is used together with the optical lens to carry out imaging on a lesion part, then images are transmitted to a personal computer (PC) by a USB sensor, and the PC performs mosaic and three-dimensional reconstruction on the images so as to obtain high-precision three-dimensional images. The capsule endoscope system has the characteristics of simple structure, simplicity in implementation, small calculated amount and the like and can be applicable to the application of current medical development.

The invention discloses a design method for rock biaxial compression blasting. The method includes the following steps: step S1, obtaining the basic mechanical parameters of rock; step S2, performingtheoretical modeling on the dynamic mechanical response of blast holes during the propagation of cylindrical surface blast waves under a biaxial compression condition; step S3, utilizing a classic Kirsch method to calculate the static stress distribution at the peripheries of the blast holes when the rock is subjected to uniformly distributed horizontal confining pressure Px and vertical confiningpressure Py under plane strain and plane stress conditions; and step S4, adopting a Laplace transform method to solve the dynamic response of the blast holes when the inner walls of the blast holes are subjected to the action of explosion loading under the plane strain condition; Thus, the problems of lack of theoretical basis and guidance of experimental parameter design, large workloads and easy destruction on rock samples by confining pressure loading modes of previous testing methods can be solved.

The invention discloses a searching method for an impossible differential path of a related key of a block cipher. As an impossible differential attack method and a related key attack method are combined, the problems of automatic searching of the impossible differential path of the related key and searching of a longest analysis path in cryptanalysis are solved, and deeper and more thorough analysis for a cryptographic algorithm can be carried out. According to the searching method for the impossible differential path of the related key of the block cipher, the method for searching the impossible differential path of the related key is upgraded from the traditional manual analysis to computer automatic searching, the disadvantages that an existing manual analysis method is fussy and error-prone when being used for analyzing the cryptographic algorithm are avoided, the maximum length of the impossible differential path of the related key of the block cipher algorithm can be calculated rapidly and accurately, and the cryptanalysis efficiency is improved. The searching method for the impossible differential path of the related key of the block cipher realizes transformation of the cryptographic algorithm from a non-generalized Feistel structure to a generalized Feistel structure, can be widely applied to automatic search of the impossible differential paths of related keys of various cryptographic algorithms in different structures.

The invention discloses a distributed-type cardiovascular system simulation model. The distributed-type cardiovascular system simulation model is characterized by comprising a cardiac four-cavity sub-model, a pulmonary circulation sub-model, a blood vessel network sub-model, a reflection control sub-model and a vein collapse sub-model, the cardiac cavity sub-model is provided with a left ventricle connected with a left atrium and a right ventricle connected with a right atrium, the left ventricle and the right ventricle drive systemic circulation and pulmonary circulation, the blood vessel network sub-model comprises an arterial system, a peripheral circulation system and a venous system which are connected sequentially, an input end of the arterial system is connected with an output end of the left ventricle, an output end of the venous system is connected with an input end of the right ventricle, the vein collapse sub-model is connected with another input end of the venous system, an output end of the arterial system is connected with the reflection control sub-model through a carotid artery, and the reflection control sub-model controls blood pressure fluctuation of a model system through heart rate and heart contractility effectors arranged on the cardiac four-cavity model and arterial resistance, venous volume and vascular tone effectors arranged in the blood vessel network model.

The invention relates to the technical field of image processing and fresh air control, and particularly discloses a fresh air system and a fresh air control method based on 5G network and human flowrecognition. The fresh air system comprises a frequency conversion fresh air ventilator, a plurality of human flow data obtaining facilities arranged in various stores for obtaining human flow data, data transmission equipment used for transmitting signals of the human flow data obtaining facilities to a computer, an electric control valve arranged at the fresh air pipeline inlet position and usedfor controlling the fresh air volume, the computer for controlling air conditioner tail ends, a DDC of a fresh air valve and corresponding lines, storage equipment for storing computer data and the multiple air conditioner tail ends capable of being applied to an air conditioner system. According to the scheme, large-scale carbon dioxide sensor installation in a commercial complex is avoided, thecost and the manufacturing cost are reduced, in the angle of the business side, unnecessary complaints and turnover reduction caused by exposure of carbon dioxide concentration are avoided, and multiple commercial complex factors are considered.

The invention discloses a drilling information collecting method and device based on a DIC technology, and relates to the technical field of mining. The drilling information collecting method comprises the steps that measuring holes in roadway surrounding rock are subjected to panoramic camera-shooting according to a certain time period, measuring hole images at different time are compared and subjected to analytical calculation, and drilling information which is not affected by initial fissures is obtained. The drilling information collecting device comprises a measuring rod, a cable, a winch, a pulse generator, a host and a panoramic camera, the panoramic camera is fixedly arranged at one end of the measuring rod and connected with the host through the cable, the cable is arranged on a roller of the winch in a wound mode, the winch can be used for triggering the pulse generator, and the pulse generator is electrically connected with the host. By adopting the drilling information collecting method and device, the influences of the initial fissures are avoided, thus the drilling information collected by the drilling information collecting device is more accurate, the pressure of astope mine is accurately analyzed advantageously, and high engineering application value is achieved.

The invention relates to method for interactive and virtual simulation of a combustion process. The method is oriented to a ceramic tunnel kiln. With the ceramic tunnel kiln combustion modelling technology, the visualization technology, the virtual reality technology and the numerical simulation technology taken as the core of the method, and VC++ and OpenGL graphics library taken as implementation tools, the method is used for realizing the interactive and virtual simulation of the combustion process in the ceramic tunnel kiln. Specifically, the method comprises the following steps: 1, an implementation environment is established; 2, the ceramic tunnel kiln is subjected to three-dimensiontal virtual modelling and displayed; 3, the ceramic tunnel kiln is subjected to combustion visualization modelling based on a particle system; 4, panoramic and local interactive three-dimensional travellings are made in a combustion space in the ceramic tunnel kiln; and 5, the three-dimensional dynamic visualization of the combustion process in the ceramic tunnel kiln is realized. By introducing the visualization technology in a research into the combustion process in the ceramic tunnel kiln, the invention can ensure that the analysis is more straightforward and in-depth. The invention has the characteristics of good virtual reality, excellent interaction and high practicability.

The invention discloses an internet protocol (IP) address sharing device (hereinafter abbreviated as IP sharing device), which is used for being in communication connection to at least one regional video-audio generator, and the IP sharing device is provided with a physical IP address and comprises a wide area network (WAN) connection end, a local area network (LAN) connection end and a processing unit. The WAN connection end is used for being connected with an Internet in a communication way; the LAN connection end captures at least one regional video-audio data generated by the regional video-audio generator in real time; and the processing unit converts the regional video-audio data to at least one regional real-time series-flow video-audio file according to a preset video-audio data series-flow format. One remote network communication device can be communicated to a management web of the IP sharing device through the physical IP address of the IP sharing device so as to capture the regional real-time series-flow video-audio file in real time.

The invention discloses a networking backup system which comprises a document uploading module, a document receiving module, a storage index module, a document recording module, a magnetic disk storage module and a document caching module, wherein the document uploading module is used for calculating a MD5 value of a document and transmitting the document from a client to a server; the document receiving module is used for receiving the document content uploaded by the document uploading module and the MD5 value calculated by the document uploading module and storing the document record; the storage index module is used for recording the MD5 characteristic information of different documents for indexing by the document receiving module; the document recording module is used for recording the original recording information of the uploading document; the magnetic disk storage module is used for storing the document content; the document caching module is used for caching the compressed files of the frequently downloaded applications. The networking backup system can utilize a document fingerprint technique to eliminate the redundant documents in the document storage on the server side and can save the server-side magnetic disk space. The invention also discloses a networking backup method.

The invention discloses a data analysis system, a data analysis method and a monitoring analysis system, which are used for providing statistics, deep analysis and quick response for the monitoring data with a large data volume. The system comprises an ETL module, a Hadoop module and an MPP database. The ETL module is used for acquiring the monitoring data, cleaning the monitoring data, obtainingthe valid first data and sending the first data to the Hadoop module; the Hadoop module is used for backing up the first data, performing data conversion and aggregation processing on the first data to obtain the second data and sending the data to an MPP database; the ETL module is also used for calling the MPP database for execution, performing early warning analysis on the second data accordingto a preset early warning rule, outputting the early warning data, and further generating an early warning data mode, performing hidden danger warning analysis on the second data according to a preset hidden danger warning rule, outputting the hidden danger warning data, and further generating a hidden danger warning data mode.

The invention discloses a simple device for dynamically measuring shaking of a rotating electrode bar. The device comprises a guide rail top plate fixed to a furnace wall, transparent glass and a sliding groove rail are arranged on the guide rail top plate, a support is hung below the guide rail top plate through wheels, observation glass marked with concentric circle scales is embedded on the support, a shading plate is arranged on the bottom face of the support, and is provided with an upper reflection mirror face and a lower reflection mirror face, the mirror face body of the upper reflection mirror face faces downwards, the mirror face body of the lower reflection mirror face faces upwards, the centers of the upper reflection mirror face and the lower reflection mirror face are staggered, the two mirror faces are perpendicular to the shading plate, and the shading plate is perpendicular to a support panel; the upper reflection mirror face and the lower reflection mirror face are parallel to the round observation glass, a laser emitter with the adjustable angle is arranged on the right side of the shading plate. Through the device, the running state of the bar can be conveniently and rapidly judged, the bar running state can be precisely subject to quantitative recording, whether running of a certain degree is safe or not is judged through actual operation, and according tothe size of detected light spot track, safe running process parameters can be determined.

The invention provides a driving style and state identification method based on vehicle controller local area network data information and belongs to the technical field of vehicle intelligent interaction. The driving style and state identification method comprises the steps of collecting and storing controller local area network data of a vehicle to obtain an original vehicle traveling database;extracting data features under the current data volume condition through the algorithm according to the collected data; conducting further analyzing according to the data features to identify and obtain a driving style conclusion under the current data volume condition; conducting continuous expansion to obtain a new vehicle traveling database along with continuous traveling of the vehicle and increasing of new data capable of being collected and stored, repeating the above steps, conducting iteration on identification results continuously to enable the identification results to be infinitelyconvergent to the true driving style of a driver. Through the driving style and state identification method based on vehicle controller local area network data information, autonomous iteration of anidentification system is realized, and the driving style can be accurately identified; and meanwhile, the driving style and state identification method has the advantages of low hardware requirements,easy popularization and quite strong practicality.

The invention relates to a model analysis method and system for an internal flow field of a hydraulic distance changer. The method comprises the following steps: S1, making a three-dimensional model of a working impeller of the hydraulic distance changer; S2, according to the three-dimensional model of the working impeller, establishing a full flow channel geometric model of the torque converter;3, carrying out mesh processing on that geometric model of the whole flow channel of the torque convert to obtain a mesh model; S4, setting and simulating the basic parameters of the mesh model to obtain a preliminary model; S5, setting dynamic parameters of the preliminary model and coupling the dynamic parameters with the preliminary model to obtain a dynamic model; 6, carrying out pressure field analysis and velocity field analysis on that dynamic model, obtaining a simulation value, and calculating a simulation efficiency value through the simulation value. This method can accurately findout the factors that affect the transmission efficiency of torque converter flow field, so as to deepen the analysis and understanding of the characteristics of the flow field.

The invention discloses an underwater friction stitch welding local dry method small draining device. A whole draining cover is a cylindrical shell, an opening is formed at the lower end of the whole draining cover, and planes are symmetrically milled in the vertical direction. A through hole is formed in the central position of the upper end face of the draining cover, and a sealed material layer is arranged in the through hole; air inlets are symmetrically formed on the left side and the right side of the through hole; observation windows are formed on the planes milled in the vertical direction of the draining cover; and a draining sponge layer is arranged on the lower end face of the draining cover, and connection between waterproof glue and the draining cover is utilized, so that connection airtightness is ensured. The sealing material layer is a solid annular sealing material layer and is in tight contact with a stopper rod; in the high-speed rotating process of the stopper rod, the airtightness can be ensured, and wear resistance is achieved; the problems that the underwater friction stitch welding quality is poor, and air environment needs to be built underwater for welding are solved. The aims of obtaining the better welding joint quality, optimizing the underwater welding working procedure, and expanding the technical parameter range are achieved.