845results about How to "Deepen understanding" patented technology

Belonging to a rock mechanical determination method, the invention provides a determination method for mesoscopic parameters simulating mechanical properties of an intermittent crack rock. The method includes: firstly sampling an engineering rock mass to be tested, and making a complete and intermittent crack cuboid sample; placing the made sample in a sealed pressure cylinder of a servo test machine, firstly bringing a testing machine pressure head into close contact with the upper end and lower end of the rock sample; applying an axial pressure on the sample according to displacement loading, and conducting loading on the sample till fracture, thus obtaining a sample compression process stress-strain overall process curve, a crack propagation process and a final fracture mode; employing particle flow code in 2 dimensions (PFC2D) to establish a complete sample numerical model, and debugging the mesoscopic parameters continuously to acquire a set of mesoscopic parameters able to reflect complete rock sample test results; establishing an intermittent crack numerical model based on the mesoscopic parameters, carrying out compression process simulation, comparing the simulation results with the intermittent crack rock test results so as to further verify the accuracy of the mesoscopic parameters.

An image display controlling system of the present invention has an image combining splitting means (2) for splitting a picked-up image input from an imaging means (1), which picks up surrounding images of a vehicle, into a plurality of images, an image deforming means (3) for executing a different deforming process to the plurality of images respectively, and an arrangement controlling means (5) for arranging the plurality of images at predetermined positions and displaying the images. According to this configuration, a wide-range image having a horizontal angle of view of 180 degree is separated into a rear center image positioned at a center of the image and side images separated from the center like a vanity with three mirrors, and a sense of depth is provided by distorting and deforming intentionally the side images in contrast to the rear center image such that the side images can look as if the side images are just looked at.

The invention relates to a facial-recognition-based network teaching method and system. Facial feature identification can be carried out on a student in real time during the whole courseware learning period, so that the network teaching can realize the same effect as the face-to-face teaching. Meanwhile, a certain number of times of failure is allowed, so that a stable and smooth learning environment can be provided for the student in a real-time monitoring mode and the learning of the student can be prevented from being influenced due to the detection failure or other factors. In addition, the system also provides expression management, so that the teacher can know the reflection of the student conveniently during the courseware learning and thus the network teaching environment is close to the face-to-face teaching. On the basis of the off-line learning function provided by the system, the student can carry out learning on any occasion and an objective of real-time monitoring can be achieved. Besides, with the log management module provided by the system, no more network flow is increased because of real-time monitoring when the student uses a mobile terminal for learning, thereby lowering the learning cost.

The invention discloses a tourist attraction 360-degree panoramic construction system and method. The system comprises a system initial interface module and a panoramic roaming module. The tourist attraction 360-degree panoramic construction method comprises the steps of on-site shooting, landscaping builder picture splicing, roaming master scene manufacturing, Flash manufacturing and system compact disc releasing. According to the tourist attraction 360-degree panoramic construction system and method, an exquisite compact disc is designed as media for propagating 360-degree panoramic tourism resources and is convenient to carry and low in cost, the tourist attraction 360-degree panoramic construction system and method do not depend on the internet, and the viewing time is saved; the tourist attraction 360-degree panoramic construction system changes showing of original dull 2D plane pictures and videos with the poor interaction on the internet, mutual interaction between the three-dimensional real environment and a browser is achieved, the tourist attraction 360-degree panoramic construction system and method can be used as good teaching materials of a training tour guide, the operation process is simple, the full-dimensional showing effect is good, and economic benefits are large.

The invention discloses a local discharge development process diagnosis method based on pulse-train analysis. The diagnosis method comprises extracting pulse-train characteristics and building a fingerprint library and a discharge type and development process determination course; the diagnosis method specifically comprises the steps of firstly, acquiring a local discharge signal under a typical defect condition and preprocessing the signal, secondly, carrying out pulse-train characteristic extraction and analyzing the characteristic quantity by use of three spectrograms including a delta u spectrogram, a delta t frequency distribution diagram and a delta u/delta t spectrogram, extracting 9 characteristic parameters from the three spectrograms and building a discharge fingerprint library, and finally, finding out the discharge type and the discharge development stage both having the highest similarity to data to be diagnosed from the fingerprint library by use of the minimum Euclidean distance as diagnosis conclusions. The local discharge development process diagnosis method based on the pulse-train analysis is characterized in that the discharge information is utilized sufficiently, the influence of space charges and surface charges generated by last discharge on subsequent discharge is taken into account, and the algorithm implementation process is simple and the recognition rate is high; as a result, the local discharge development process diagnosis method is applicable to the diagnosis of the local discharge type and the discharge development process in a power device and assessment on discharge hazard.

The invention discloses a survey method for an audience rating of digital television users. The method is characterized in that the method comprises the following steps that: a data collection step in which a data collection module is internally arranged on a middleware of a digital set-top box and is responsible for collecting user viewing behavior data; a data transmission step in which the digital set-top box is connected with an Internet network by a built-in Bluetooth or an externally connected network card and transmits the data to a server having a public network IP; a data storage process in which the server receives the data and then the data are parsed and stored to a database; a data analysis process in which the server carries out automatic analysis and statistics on the data; and a data presentation process in which a client invokes a server to carry out calculation and analyses on all indexes of the audience rating and present data of data analysis results of the reviewing behaviors. According to the invention, a set-top box with two-way transmission is supported; and user viewing behavior data is transmitted from an Internet or a metropolitan area network to a server; therefore, compared with the traditional survey mode, the survey method provided in the invention has advantages of high real-time performance, high accuracy and low cost and the like; moreover, lots of manpowers, material resources and financial resources are saved.

The invention discloses a method for measuring porosity in a piping development process. The porosity at a certain moment in the piping development process is determined by testing parameters such as initial porosity, volumetric strain and fine granule loss. By utilizing the method for measuring the porosity in the piping development process, the old problem that the soil mass porosity evolution process in the piping development process cannot be determined can be solved, and an important theoretical basis is provided for establishing a mathematical model for forecasting the piping occurrence and development process.

An image processing apparatus includes a gradient magnitude calculating unit that calculates a gradient magnitude of each pixel on the basis of pixel values of a target image in which a predetermined target object is imaged; a candidate-edge detecting unit that detects contour-candidate edge positions on the basis of the gradient magnitude of each pixel; a reference-range setting unit that sets a reference range, which is to be referred to when a contour edge position is selected from among the contour-candidate edge positions, on the basis of the gradient magnitude of each pixel; and a contour-edge selecting unit that selects, as the contour edge position, one of the contour-candidate edge positions in the reference range.

The invention discloses a shock insulation rubber support with working property parameters capable of being monitored and recognized. The support comprises a lead core rubber shock insulation device, a fiber bragg grating strain sensor and a pressure sensor, wherein the fiber bragg grating strain sensor is vertically installed in the lead core rubber shock insulation device and is used for monitoring the shear deformation in the horizontal direction; and the pressure sensor is arranged at the bottom of the lead core rubber shock insulation device and is used for monitoring the change of pressure in the vertical direction. According to the invention, relevant property parameters of the support can be automatically monitored, and the support has strong practicability and wide application prospects.

The present invention provides a method for detecting genomic structure variation based on nanopore sequencing, which includes performing nanopore sequencing data quality control and genomic mapping;excavating within-alignment reads and split reads information; defining structural variation and typing; and performing multi-sample data variation type integration. The method of the invention can detect the variation of mutants and wild-type materials, the variation between extremely resistant materials, transgenic events and the location of inserted fragments; can also organically integrate theresults of a large number of samples and assist in the correction of variation sites; provide rich structural variation data for natural resource groups for subsequent GWAS analysis; not only can detect common large fragment structural variations, but also have high accuracy and precision in the detection of chimeric mutations, and clusters the reads of the typed structural mutations to determinehomozygous and heterozygous structural variations.

The invention discloses a visualization method and browser for an operation state of a digital currency block chain. Firstly, a form similar to a block and an account book is provided for performing visualization; according to interval time generated by the block, the length of a chain is automatically reduced, so that the corresponding interval time is dynamically displayed; a display form is unique, intuitive and visual; for a person who does not know the block chain, visual display facilitates the person to understand the block chain more easily and quickly; and for a person with a block chain concept, understanding of the concept is deepened. The operation of the whole browser is simpler, more convenient and faster.

The application belongs to the computer calculation field of an electrical power system, and discloses a power grid black-start assistant decision-making system. The black-start assistant decision-making system includes three parts of a pattern platform, a database, and an algorithm analysis library. The pattern platform is formed by a picture browser of a smart power grid dispatching technical support system and a self-developed window. The database stores each element parameter in the electrical power system and analysis results, which is convenient for user modification and checkup. The algorithm analysis library includes a numerical analysis algorithm and an optimization algorithm used in a black-start process. The algorithm analysis library is a technology core of the whole system. The black-start assistant decision-making system based on the DTS is characterized in that the system adopts a modular hierarchical structure including a data layer, an application layer, an application support layer, an interface layer and a user layer. According to the invention, the black-start assistance decision-making system and the DTS based on a D5000 smart power grid dispatching technical support system are integrated together, share a real-time power grid database, a data communication platform, and power grid pictures.

The invention discloses an information display method and an information display device and belongs to the technical field of networks. The method comprises the following steps: acquiring an information viewing operation performed on information related to a first user by the first user; acquiring position point information included in the information; obtaining at least one second user according to the position point information, wherein the second user is included in a user relationship link of the first user and history information issued by the second user comprises the position point information; displaying the second user to the first user. According to the method, the first user can acquire friends issuing the position point formation, the information amount of a position point is increased, the first user can better learn of the position point, and the position point information is more specific, so that the specific information requirement of the first user is met.

The invention relates to a drilling well control simulation teaching experimental device. The technical scheme is that the drilling well control simulation teaching experimental device comprises the five parts of a wellbore simulation system, a drilling liquid circulation system, a weighted drilling liquid circulation system, a gas-liquid mixing circulation system and a computer data processing system; the drilling liquid circulation system comprises a drilling liquid storage tank; the weighted drilling liquid circulation system comprises a weighted drilling liquid storage tank; the gas-liquid mixing circulation system comprises a stratum liquid phase liquid storage tank, a gas compressor and a gas-liquid two-phase mixture. The beneficial effects of the invention are that the drilling well control simulation teaching experimental device is simple and easy to assemble, can deepen students' understanding and mastery of the drilling well control theoretical knowledge, and can also perform similar simulation operation on the drilling well control site, thereby providing the students with an immersive feeling, improving their basic skills of drilling well control technology, achieving the purpose of engineering practice, and avoiding risk factors brought by on-site operation.

The invention provides a learning resource multilayer organization and expression method for an online education system, and the method comprises the steps: constructing a knowledge network accordingto the subject syllabus, subject knowledge and compound learning materials; forming a mapping relation between the knowledge points of the knowledge network and the compound learning materials; extracting the knowledge points of the compound learning materials, and enabling each part of compound learning materials to be associated with the knowledge points in a contained 3D knowledge map, therebyachieving the mapping relation between the compound learning materials and the knowledge elements; constructing extended learning resources for the knowledge elements, so as to provide more in-depth and more expansive explanation for the knowledge elements; building a quantitative model, quantifying the extended learning resources associated with the knowledge points according to a quantitative model, and sorting the extended learning resources under the same knowledge point according to the quantification result. The method achieves the arrangement of the learning resources based on knowledgenetwork, improves the availability of resources, optimizes and supports a learning process of a learner, strengthens the learning effect, and improves the learning efficiency.

The invention relates to an image identification and detection system, comprising an image collection and control module, an image processing platform and a procedure control module, wherein, the image collection and control module, the image processing platform and the procedure control module are respectively and independently arranged, and the image collection and control module and the image processing platform and the image processing platform and the procedure control module are respectively communicated by network communication equipment. The image processing platform adopts a design based on a database technology and an object oriented technology, and the bottom layer of the system is an object processing function library of various images designed according to a processing frame of the system; a figure full-Chinese configuration interface provided by the system is used for a user, and the system adopts a modularization design. The invention has the advantages that the user canflexibly add specific function modules by adopting the system so as to ensure the realization of the requirement of the user, and the functions of the system can be continuously expanded along with the increase of applications simultaneously.

The invention provides an intelligent teaching system for ideological and political education and belongs to the field of intelligent teaching systems. The system comprises a server which connects a teaching end and a plurality of learning ends to enable different learners to jointly learn ideological and political knowledge in a specific environment. The teaching end includes a database, a question module, a course display module, a teacher and student communication module, a teacher data storage module, a teacher attendance module, a camera and a main processor. Each of the learning ends includes a data storage module, a random question random calling and answering module, an inquiry module, a selection module, an automatic update module, a virtual scene simulation module, a data input module, a display output module, an analysis module, an evaluation module, a scoring module, a student attendance module, an error information classification module and an auxiliary processor. According to the system, a teacher and conveniently and timely understand the learning situation of students, the interaction between the students and the teacher is enhanced, the exchanges between the students and the teacher after class are facilitated, and the interest in learning and learning effects of the students are improved.