146 results about "Study analysis" patented technology

Systems and methods are provided for creating and maintaining an ecosystem, such as for trading securities. For example, in one system, at least one eligibility prerequisite is identified—governing whether an entity is eligible to participate in the ecosystem—and whether the entity meets the eligibility prerequisite(s) is determined. In addition, at least one ecosystem rule is identified, governing whether an entity is qualified to participate in the ecosystem. An eligible entity may execute a contract in which the entity agrees to adhere to the ecosystem rule(s), thus allowing the entity to participate in the ecosystem. The entity may then enter into at least one designated ecosystem transaction, such as buying a security. Participants in the ecosystem may include issuers of securities, investors, brokers, dealers, and research analysts. In this example, the ecosystem seeks to maximize liquidity and transparency while minimizing regulatory obligations.

The invention discloses a method and a device for analyzing brain wave signals, which comprises steps of: (1) collecting original brain wave signals; (2) removing artifacts or noises in the original brain wave signals; (3) phase-space reconstructing of the preprocessed brain wave signals for obtaining a recurrence plot; (4) quantitative analyzing of the recurrence plot for calculating assured value DET of the recurrence plot; wherein, the artifacts in the original brain wave signals are removed by a mixed method of wavelet transformation and empirical mode decomposition. The phase-space reconstructing reconstructs phase-space vector by a method of delaying time so as to obtain the recurrence plot and calculate the ratio of recursion points on diagonal structure of the recurrence plot to all recursion points for obtaining the assured value DET. The method and the device provide good quantified indexes for doctors and accurate and real-time changing situation of depth of anesthesia during the process of the anesthesia, or are used for researching and analyzing change of brain functions, situation of sedation and analgesis, change of a cognizing function, etc.

A computer-aided financial analysis system and method provides research analytical capabilities for modeling financial security holdings that include the capability to conduct multi-dimensional dynamic searches across fundamental research, technical research, market data and exposure to exogenous economic and market factors. The capability to isolate securities most susceptible to market movements and overlay available research analyses on top of this view and to view exposure to directional change in any exogenous economic and market factor on an individual security or portfolio of securities in a real-time, intuitive manner via charts, tables and / or heat maps is also provided.

The invention discloses a single molecule control transverse magnetic tweezer device, comprising: microscopic imaging device, magnetic tweeze device, sample holder and central monitor, where the magnetic tweezer device comprises magnetic tweezer and magnetic tweezer controller, the magnetic tweezer is horizontally arranged on the side surface of the sample tank and controlled by the magnetic tweezer controller; the sample tank is a transparent closed container, the two ends of the sample tank are provided with solution inlet and outlet, respectively, one end of a biological single molecule is connected with the side wall of the transparent container far from the magnetic tweezer and the other end is connected with a paramagnetic ball, which is controlled by the magnetic tweezer; the microscopic imaging device is arranged at the upper or lower part of the sample tank, and the microscopic imaging device and the sample tank can horizontally and relatively translate; the microscopic imaging device transmits the obtained image information to the central monitor for data processing. And its beneficial effects: it can research and analyze biological single molecule, including related enzyme and protein, etc, and it can directly give length information of the biological single molecule and it can rotate the biological single molecule.

The invention discloses an engineering rock mass fracture degradation numerical simulation method based on a continuous medium. The engineering rock mass fracture degradation numerical simulation method comprises the following steps: establishing an engineering object numerical model; selecting a constitutive model of a rock mass in the engineering object numerical model, and endowing the constitutive model with corresponding mechanical parameters; setting an engineering object numerical model boundary condition; excavating the engineering object numerical model, and executing engineering rock mass fracture degradation iterative computation; and obtaining a simulation result, and carrying out research and analysis on a research object. On the basis of keeping original numerical iterative computation, the engineering rock mass fracture degradation numerical simulation method adds the dynamic development of a fracture due to excavation disturbance and caused surrounding rock Young modulus degradation in a stress redistribution process in the surrounding rock, a degraded residual Young modulus can be obtained by data inversion obtained by field observation or theoretical empirical estimation, and a numerical simulation process based on the continuous medium can be more reasonable and precise so as to make a numerical simulation result reliable and true.

A computer-based method for combining investment recommendations of individual research providers such as stock analysts. The method includes providing a server running a research team management module. A list of individual research providers is displayed on a client node linked to the server network. A research team is generated based on user input including a number of the research providers. Team rules are assigned to the team defining an algorithm for processing recommendations from the members of the team. Recommendations for securities are retrieved for the research providers on the team, and team recommendations are generated by applying the team rules to the recommendations. Team recommendations are reported to the client node for guiding investments. Processing of the individual recommendations may include applying differing weights to the positive and negative recommendations and combining the weighted recommendations, with the weights being user-selected differentiating strengths of members of the research team.

Present invention discloses a dynamical fracture mechanics testing system referring to material mechanics analyse testing field. Said dynamical fracture mechanics testing system includes dynamical loading mechanism, dynamical fracture image collection unit, dynamic signal collection unit, temperature control unit, automatically verification unit and data processing unit etc. Said invention utilizes dynamical fracture mechanics testing system to make dynamical loading to dynamical fracture mechanics test sample with accuracy complete result, providing reference to metal and other material fracture behaviour, the rule of material anti-breaking ability variation depending to temperature, and dynamical fracture toughness analysis.

The invention discloses an ocean environment underwater navigation body movement track estimation method, and belongs to the field of target movement track estimation. According to the estimation method, firstly, an underwater space movement equation set of an underwater navigation body is built; wave and ocean current value models are respectively built by aiming at the two ocean environment features of ocean wave and ocean current with great influence on the movement track; the movement track parameter change rule when being influenced by the waves and the ocean current during the underwater navigation body vertical water outlet is studied; the rule is used for estimating the movement track of the underwater navigation body. The method has the advantages that the proper starting occasions proper for the underwater navigation body can be selected for a decision maker; the scientific basis can be provided for the attitude control and the like; the technical support can be provided for the relevant work of subsequent underwater navigation body underwater movement occasion and mode making and the like.

The invention discloses a re-hospitalization risk predicting method based on a deep learning hybrid model. The method comprises the following steps of 1, collecting a data set which comprises a patient personal characteristic and an outer environment characteristic; 2, performing characteristic grouping and preprocessing, dividing the characteristics to static characteristics and time sequence characteristics; 3, mining the time sequence characteristics, performing statistics analysis on the time sequence characteristics, and establishing an LDA model and a bidirectional LSTM model; 4, performing characteristic splicing, fusing the static characteristics and the time sequence characteristics after characteristic engineering processing, and using the fused characteristic as input of a CNN model; and 5, establishing the CNN model for predicting the patient re-hospitalization risk. The method is based on a deep learning algorithm. Researching and analysis are performed on patient health medical big data and the outer environment, thereby establishing the re-hospitalization risk predicting model, facilitating reasonable medical resource arrangement by a medical organization, supplyingbetter medical service to the patient, and improving efficiency and accuracy in performing re-hospitalization risk identification of a participant by an insurance organization.

The invention relates to a noise simulating calculation method for an automotive alternating current generator. The method comprises the following steps of initializing basic data, performing setting and grid division on a simulating calculation area, calculating an unsteady aerodynamic characteristic equation set of the generator at specific rotating speed by adopting finite volume method-based commercial CFD (computational fluid dynamics) software, verifying correctness, verifying the correctness of a simulating numerical value calculation result, testing and measuring the aerodynamic performance and the noise of the alternating current generator, and performing noise reduction structure optimization design on the alternating current generator according to a comparison result of the simulating numerical value calculation result and a practical verification result. According to the method, the far-field radiation aerodynamic noise characteristics of a main aerodynamic noise source part, different turbulence model for predicting the nose of the alternating current generator, aerodynamic noise time-frequency characteristics under different working conditions and the like are researched and analyzed; an experimental research method is adopted for verifying the aerodynamic noise characteristics of the alternating current generator; on such a basis, the noise reduction structure of the alternating current generator is optimized.

The invention provides a power grid load loss risk assessment method based on a PSASP model and an emergency power supply automatic throw-in strategy. The method includes the steps of extracting a node card, a branch card and a virtual branch card of a PSASP load flow calculation model, establishing a mapping relation between emergency power supply automatic throw-in device action logic and the PSASP load flow calculation model, establishing an emergency power supply automatic throw-in device strategy simulation model configuration table and conducting power grid power supply load loss risk simulation assessment. According to the method, the problem that power grid power supply load loss risk cannot be accurately assessed in power grid operation research and analysis work is solved, previous power grid fault simulation analysis modes are changed, a powerful technological support is provided for simulation analysis work of faults of a power grid N-1, a power grid N-2, important transmission sections and the like, and power grid potential safety hazard checking and controlling are analyzed more accurately and effectively.

The invention provides a medical knowledge base system based on data mining, and relates to the technical field of the medical knowledge base system. The medical knowledge base system based on data mining comprises a clinical medical knowledge base visual editor based on data mining, a clinical medical knowledge Web Service application server based on data mining, and a clinical medical knowledge base based on data mining. The clinical medical knowledge visual editor based on data mining is connected with the clinical medical knowledge base based on data mining via the clinical medical knowledge Web Service application server based on data mining. With professional and systematic research and analysis of clinical knowledge and combination of a big data mining and analysis technology for revealing and positioning rationality of all clinical knowledge elements in the diagnosis and treatment behavior, including disease, medicine, examination and material, the clinical diagnosis and treatment behavior can be better standardized, overall clinical medical cost can be controlled and reduced and use of medical healthcare insurance fund is ensured to be safe.

The invention relates to an electronic study diagnosis and analysis device, in particular to a hand-held study analysis and diagnosis device, which analyzes the study of a user according to intelligent tests in combination with scientific methods for learning science subjects, such as mathematics, physics, chemistry and the like, and microcomputer technology, issues diagnosis reports on knowledge structures and capacity in taking examinations and can enable the user to repeatedly study parts the user does not master. The hand-held study diagnosis and analysis device consists of a shell, a central processor, a microprocessor unit, a display driving unit, a touch liquid crystal display screen, an I / A interface, a language processing unit, a sound producing device, a program memory, a master control program, an interface program, an examination paper marking program, a data management program, a knowledge structure and capacity level evaluation program, a personalized training mode program, an information evaluation program, a timing program, an input unit, a power processing unit, a data memory, a test question database, a test question-associated database, a knowledge base, a knowledge point conceptual base, a knowledge structure base, an intelligent remark base and a personalized database.

Systems and methods for distributing analyst's comments on breaking information to interested parties are disclosed. According to various embodiments, the system includes a report module, and a distribution system. The report module is for receiving the analyst comments via a templated user interface and generating a report based on the comments. The distribution system is for distributing the report to interested parties. The user interface may include, at least, a first field for receiving an identification by the analyst of the breaking information, a second field for receiving a description by the analyst of the details of the breaking information, and a third field for receiving an assessment of the breaking information by the analyst.

The invention provides an earthquake data recording and analyzing system based on mobile phone earthquake monitoring network and belongs to the field of earthquake monitoring. The earthquake data recording and analyzing system comprises an earthquake monitoring network server and mobile phone user terminals. Mass measuring nodes of the earthquake monitoring network constituted by multiple mobile phone user terminals are densely distributed at random. By utilization of the characteristics of low cost and random widely distribution of mobile phones, the measured data that shocking and terrestrial magnetism of each location continuously changes along with time before, during and after the earthquake can be easily obtained, especially the whole-process earthquake data of the crucial earthquake monitoring points or other adjacent places. The construction cost of the earthquake monitoring network can be greatly reduced, and the monitoring nodes are densely distributed, relatively even and wide in covering surface. Therefore, The earthquake data recording and analyzing system based on the mobile phone earthquake monitoring network can effectively solve the problems that the early-warning data, the post-earthquake data and the aftershock data of professional seismic stations are not sufficient, and lays the foundation for the big data research and analysis of the earthquake properties and early warning.

The invention discloses an LSB replacement steganalysis method based on grey co-occurrence matrix statistic features. The method includes the steps of image bit plane decomposition, grey co-occurrence matrix calculation, feature selection and extraction and classification. Firstly, a grey image is decomposed into eight bit planes, differential matrixes between the lowest bit plane and other seven bit planes are respectively calculated, then a sum matrix of the differential matrixes is calculated, a grey co-occurrence matrix of the sum matrix is generated, the obvious features are extracted and calculated by researching and analyzing the characteristics of the co-occurrence matrix, and a support vector machine is used as a classifier to distinguish carrier images and hidden images. According to the method, the number of feature dimensions is small, curse of dimensionality is effectively avoided, detection precision is high, an algorithm is stable, robustness of image processing of retaining operations of JPEG compression, median filtering, noise addition and the like is achieved, satisfying generalization ability is achieved, and calculation complexity is low.

The invention discloses an experiment system for simulating cable burning under the fire environment and a method thereof. The experiment system for simulating cable burning under the fire environment comprises a weighing device which is provided with a sample frame used for fixing cable samples; a heating device which comprises a radiation heating shell and an igniter, wherein the radiation heating shell covers the weighing device, and the igniter is arranged in the cavity of the radiation heating shell and used for igniting the cable samples fixed on the sample frame; multiple thermocouples and heat flow meters; and a smoke collection device which comprises a smoke collection hood and a smoke composition analyzer, wherein the smoke collection hood is connected with the radiation heating shell of the heating device, and smoke emitted by burning of the cable samples is guided to the smoke composition analyzer through the smoke collection hood. According to the experiment system for simulating cable burning under fire environment and the method thereof, more accurate nature determination and classification of the burning characteristics of the cables are facilitated so that deeper research and analysis can be performed in the aspect of cable fire dynamics.

The invention belongs to the field of micro-fluidic chips, and discloses a micro-fluidic chip device for separating bacteria by using laminar flow and chemotaxis effects. The device comprises two parts namely a micro-fluidic chip for separating the bacteria and an inducing reagent concentration control system, wherein the micro-fluidic chip is an approximately 'X'-shaped PDMS-glass chip which is integrated with an inducing reagent inlet, a bacterium inlet, a bacterium separation channel, a bacterium collection outlet and a waste liquid outlet; and the inducing reagent concentration control system consists of a plurality of groups of injection pumps and injectors, parameters such as flow rates and the like can be controlled by virtue of the injection pumps, and thus an inducing reagent of which the concentration dynamically changes with time can be obtained. According to the micro-fluidic chip device disclosed by the invention, operations of separating interested bacteria from a bacterial mixed liquid can be achieved by mainly using the characteristics that the bacteria swim with tendency to high attractant concentration and low repellent concentration directions under the action of laminar flows and chemical inducing reagents. The micro-fluidic chip device disclosed by the invention can be applied to research and analysis of the fields of food safety, water quality monitoring, pharmaceutical engineering, clinical medicines and the like.

The present invention relates to the technical field of financial services, and in particular to a method and system for analyzing bank customer relationship circles. The specific steps of the analysis method are: collecting and organizing the customer's capital flow information in the bank to form capital flow data; A customer is represented by a node, and the relationship formed between customers and customers is represented by an undirected edge, forming a customer fund relationship network. Based on the community division theory gained by Modularity, a divided relationship circle is obtained; in each relationship obtain the importance index of customers in the circle; after obtaining the importance index of all customers in each relationship circle, select the most important customer in the relationship circle as the central customer, and mark its upstream and downstream customers according to its capital flow, Form a customer chain, research and analyze the funds and financial relationship of customers in the customer chain, and then formulate customer marketing plans and risk prevention and control plans. The method has the advantages of many analysis reference indexes and high accuracy of analysis results.

The invention discloses a submarine cable protection based ship external destruction risk assessment method. Based on a cable protection mode and a current situation, in combination with factors of ship tonnage, anchor weight, transverse and longitudinal position regions of a ship relative to a submarine cable, a ship speed and the like influencing a submarine cable ship external destruction risk, mutual relations among the factors are studied and analyzed; mathematic models of an ''anchor damage resistance safety index'', a ''damage-of-anchor-to-submarine-cable probability index'' and a ''damage-of-anchor-to-submarine-cable risk index'' are established by utilizing the mutual relations among the factors; and finally a ''ship external destruction risk value'' favorable for daily staffs to perform risk identification and grading is proposed. According to the assessment method, a modern mathematic method and the risk index models are adopted, so that the factors influencing the ship external destruction risk can be combined and converted into a mathematic analysis model; and the method has an important significance for performing precontrol in advance and taking effective control measures for standard and systematic identification and grading of the ship hazard risk.

The invention discloses a measuring device and a measuring method for a variety of motion parameters of product under logistics environment, and the device comprises a main body device and a synchronous timing device; the main body device comprises a microprocessor, and an interaction unit, a real-time clock unit, a data storage unit, a power supply management unit, a reset unit, a wireless radio frequency receiving and dispatching interface and a synchronous timing interface connected to the microprocessor; the main body device is connected to the synchronous timing device through the synchronous timing interface; the measuring device and a measuring method for a variety of motion parameters of product under logistics environment can measure the accelerated speed, speed, posture and other motion parameters of the product in a time synchronous mode, and store the measured data for offline research and analysis, the practicability is strong, the measuring device can be used as the detecting device for evaluating the security of the product under logistics environment.

The invention provides a test system for measurement of space charge distribution in transformer oil under impulse voltages. The test system comprises a voltage system and an optical system. The optical system comprises a helium-neon laser and a light receiving device. A polarizer, a lambda / 4 wave plate I, a beam expander, an oil tank, a lambda / 4 wave plate II, an analyzer, a space filter and a light receiving device body are sequentially arranged on a light path between the helium-neon laser and the light receiving device. An electrode is arranged in the oil tank. Compared with other methods for measuring space charges, a device for measuring the space charges in transformer oil under impulse voltages has the advantages of being visual, safe and reliable, and computer information processing is easy. Especially, light signals serve as measurement media, direct contact with high voltages is eliminated, safety is achieved, automatic control and signal processing are easy, the device has large advantages when applied to measurement of the space charges under the impulse high voltage effect, and the requirements for research and analysis of generation, transport and dissipation of the space charges in the transformer oil are met.

The invention provides a city land mixed utilization characteristic grid calculating method and device. The city land mixed utilization characteristic grid calculating method comprises steps of obtaining a research area and constructing a research area kilometer grid system according to a research area, obtaining an interest point data set corresponding to each unit grid and an information type corresponding to each interest point according to a kilometer grid system and an internet map, obtaining a city land mixed utilization multi-dimension characteristic vector corresponding to each unit grid according to the interest point data set and the information type, and obtaining a city land mixed utilization characteristic grid system and displaying according to the city land mixed utilization multi-dimension vector. The city land mixed utilization characteristic grid calculating method and device use internet map data in a city scope which is massive, updates timely and has strong timeliness, solve problems that the timeliness is poor and difference exists between data and a real urban space because of traditionally adopting city planning, land investigation and data statistics as data basis, and can meet the demand for multi-scale research and analysis from a small scale to a big scale.

The invention discloses an electromagnetic transient simulation method used for a power distribution network comprising distributed power sources. The method includes the steps that the power distribution network and the distributed power sources are decoupled to obtain respective equivalent models, and equivalent parameters of the equivalent models are determined; in combination with transient state time constants of the distributed power sources and the power distribution network, simulation calculation is performed on the equivalent models of the distributed power sources and the power distribution network according to respective step lengths; physical interfaces are used for achieving interface data interaction of the distributed power sources and the power distribution network, and a simulation synchronous verification is performed after the data interaction is finished. The method can simulate normal running states and various failures of the power distribution network comprising the distributed power sources, closed-loop simulation and testing of a system are achieved, electromagnetic transient real-time simulation of the power distribution network comprising the distributed power sources is effectively achieved, and requirements for researching, analyzing, simulation experiments and simulation training performed on a new power distribution network technology and equipment are met.

The present invention discloses a social network data differential privacy protection method based on an uncertain graph. The method comprises: constructing an original graph, and constructing an uncertain graph with the weight value and an adjacency matrix of the uncertain graph according to the original graph; according to the uncertain graph, constructing a noise adjacency matrix which is required to be added by satisfying the differential privacy; and adding the adjacency matrix with the noise adjacency matrix of the uncertain graph to obtain the adjacency matrix of a to-be-published graph, converting the adjacency matrix of the to-be-published graph into a social network graph for publishing. According to the method disclosed by the present invention, when adding the noise, not only satisfying differential privacy is ensured, and more structure information of the original graph can be saved, so that the published graph will not add excessive noise, and the data analyst can do moreresearch and analysis in a facilitated manner.

The embodiment of the invention discloses an advanced detection method for a water-containing geologic structure of a tunnel, and relates to the technical field of tunnel engineering construction. Themethod can be used for detection theory study and engineering practice of the water-containing geologic structure of the tunnel to guide construction of the tunnel. The method comprises the steps ofconstructing a geologic model according to the specific variety of the water-containing geologic structure; arranging a laying-off circuit on the geologic model; receiving different geologic model condition parameters input by a user, and simulating different water-containing geologic structures; utilizing the laying-off circuit for laying off apparent resistivity values of the water-containing geologic structures under different condition parameters; drawing an apparent resistivity curve chart under the condition according to the apparent resistivity values; determining whether or not water is contained in a place in front of a working area of the tunnel according to the apparent resistivity curve chart. The method is suitable for detection forecasting and theory study analysis on the water-containing geologic structure of the place in front of the working area of the tunnel.

The invention relates to a method for analyzing coordination and safety of protective relaying of a regional power grid. Real-time remote measurement and communication information is acquired form an EMS / SCADA (energy management system / supervisory control and data acquisition) system, acquired real-time grid data is matched with an established grid topological structural graph, corresponding data formats are changed, and a precise initial grid model is generated; an anticipated fault set is established according to study on fault conditions and stored in a database; a fault calculation algorithm file and a check calculation rule file are imported into the database; the generated real-time grid model and the initial grid model in the database are compared, if a difference occurs, the stored anticipated fault set and a fault calculation algorithm are loaded to calculate faults of the generated precise real-time grid model, and check results are output. Auxiliary information is provided for scheduling operators to perform real-time decision making. A protection fixed value of a current regional grid protection system can be checked and estimated online, and all protective performance and stability of the system are judged in real time.

The invention discloses a two-dimensional scanning system for measuring sound fields. The two-dimensional scanning system comprises an ultrasonic transducer for emitting and receiving ultrasonic, an ultrasonic transducer driving module, a step motor displacement module, a signal acquisition module, a microcontroller controlling and processing module for controlling the movement of a step motor with an ultrasonic transducer probe by programming and processing acquired data, and a communication module. The two-dimensional scanning system disclosed by the invention can be used for performing fixed point measurement on each point on the surface of a solid measurement sample, data measured by the two-dimensional scanning system are combined with sound field characteristics to extract the critical characteristics of a signal, and three-dimensional measurement is simulated by a two-dimensional measuring method to form a two-dimensional transmission image and a dynamic sound wave transmission animation of the sound field, thereby facilitating accuracy analysis on detecting signals and well visualizing the change of signals in an ultrasonic transmission process. The signals can be applied to related research and analysis.