45results about How to "Clear logical structure" patented technology

The invention discloses a dielectric constant measurement system and method based on a multipath opening coaxial probe. The system comprises a vector network analyzer, a radio frequency multipath selector switch, a reaction kettle, a multipath temperature recorder and the opening coaxial probe; the vector network analyzer, the change-over switch controller and the multipath temperature recorder are all connected with the upper computer; and the radio frequency multipath change-over switch is connected with the change-over switch controller. The vector network analyzer is connected with the movable end of the radio frequency multi-way change-over switch through a stable-phase cable, the fixed end of the radio frequency multi-way change-over switch is connected with the opening coaxial probethrough a stable-phase cable, and the terminal of the opening coaxial probe is inserted into the reaction kettle. The method comprises the following steps: (1) setting and initializing calibration; (2) performing acquisition of multipath data and calculation of compensation errors; and (3) performing correction a reflection coefficient and inversion of a dielectric constant. According to the method, the dielectric constants at different positions of the hydrate are accurately measured on the premise that sample components are not damaged, and the spatial distribution of the dielectric constants of the hydrate is accurately evaluated.

The embodiment of the invention discloses a service providing method and device, electronic equipment and a storage medium, relates to the technical field of computers, and can effectively improve theservice providing efficiency. The method comprises: obtaining a service scene identifier corresponding to a to-be-provided service; according to the service scene identifier, selecting an operation process corresponding to the service scene identifier from a pre-established process library, wherein the operation process comprises at least two operation links, and each operation link is independently packaged into a corresponding link assembly; executing the operation process, and obtaining target material data from a material library corresponding to the service scene identifier; and providing the target material data. The method can be applied to services such as recommendation, pushing and searching.

The invention discloses a path diversity-based crossbar switch fine-grit fault-tolerant module in a network on a chip and a method thereof, and the crossbar switch fine-grit fault-tolerant module and the method are applied to a router which consists of five input ports, a routing computation module, a crossbar switch distribution module and five output ports. The crossbar switch fine-grit fault-tolerant module comprises a BIST detection unit, a fault-tolerant unit, an additional control unit and a crossbar switch. Through fine grit, different fault conditions of a data distributor, an internal link and a data selector in the crossbar switch are considered; the fault-tolerant unit is used for carrying out fault tolerance on the faults of the data distributor and the internal link, and enabling a fault-tolerant path to be diversified; meanwhile, the data selector is added to carry out fault tolerance on the data selector. According to the crossbar switch fine-grit fault-tolerant module and the method, normal data transmission can be carried out at the cost of relatively small hardware expense under the condition that the crossbar switch is high in fault rate, so that the network throughput is improved.

The invention discloses a reservoir dispatching system automatic calculation method based on information association. The method comprises the steps of firstly analyzing an association relation among calculation quantities of a reservoir dispatching system, defining and configuring the calculation priority of each calculation quantity of the reservoir dispatching system, performing configuration according to characteristics of the calculation quantities and the association relation among the calculation quantities for forming an automatic calculation information association strategy, and finally performing automatic calculation according to the information association strategy, the priority sequence and a corresponding algorithm which is bond with the calculation quantities, and storing a calculation result into a corresponding list of a database. According to the reservoir dispatching system automatic calculation method, on the condition that partial acquired information are discontinuous, because the automatic association relation exists among calculation data items, associated calculation can be performed in manual calculation for some quantities, thereby reducing workload in complementary calculation in automatic calculation and improving data consistency.

The invention discloses a system and method for regulating the temperature of an environmental wind tunnel test cabin. The system includes a main heat exchanger, a cooling pipeline and a heating pipeline, and the cooling pipeline and the heating pipeline are connected in parallel between the inlet and outlet of the main heat exchanger ; The cooling pipeline includes the first cooling branch, the second cooling branch and the third cooling branch arranged in parallel, which exchange heat with the exchangers circulating cooling water, frozen water and deep cooling water respectively; the first cooling branch The first on-off valve is set on the cooling line, the second on-off valve is set on the second cooling branch, and the third on-off valve is set on the third cooling branch; the first three-way regulating valve and the second three-way regulating valve are arranged in parallel on the cooling line. valve; the heating pipeline is provided with a third three-way regulating valve. The method of the present invention is applied to the system described above. The invention significantly improves the control accuracy level and response speed of the temperature regulation of the environmental wind tunnel test chamber, and the system and method of the application have a clear and simple logical structure, high reliability, and strong engineering implementability.

The invention discloses a distribution network reliability evaluation method based on a trapezoidal fuzzy number system. The method considers the fuzziness of the basic parameters obtained during the reliability evaluation, and uses the fuzzy reasoning SNP system to quickly and efficiently process fuzzy According to the characteristics of data information, a corresponding reliability evaluation model is established, and by defining propositional neurons and different rule neurons and presenting them in a graphical form, the logical structure of the model is clearer, and the reasoning relationship is more intuitive and clear. The method can ensure the accuracy of evaluating the convergence of the method and identify the weak points of the system.

The invention relates to a random planning method for a power distribution network containing large-size photovoltaic power generation and gird connection. The random planning method comprises the steps of simulating an output curve of a large-size photovoltaic power station according to real-time illumination intensity and ambient temperature data, considering randomness and fluctuation of photovoltaic output, building a random expectation value two-layer planning mathematical model of the power distribution network containing large-size photovoltaic power generation and gird connection according to an equivalent energy function method and a random planning theory, designing a reasonable hybrid algorithm according to a self-adaptive genetic algorithm and a primal-dual interior point method, and performing effective solving on the planning model to obtain an optimal planning scheme. By the random planning method, the random planning demand of a power grid containing large-size photovoltaic power generation and gird connection is satisfied, and the random planning method has the advantages of clear logic structure, practicability and reasonableness. The method conforms to the large-size photovoltaic development trend at the present stage and in future, has high theoretical property and practicability, and can be widely applied to random planning simulation calculation of a power system for large-size photovoltaic power generation.

The invention relates to a power distribution method for renewable energy participating in medium and long-term power trading, comprising the following steps: 1) formulate the declared electricity price of power generation enterprises according to the clearing data of the energy market; 2) establish the renewable energy according to the two-level planning theory Participate in the two-level programming model of medium- and long-term power trading; 3) Use the hybrid algorithm combining discrete particle swarm and continuous particle swarm and nonlinear programming method to solve the two-level programming model, and complete the electricity and Allocation of electricity prices for electricity users. Compared with the prior art, the present invention has the advantages of accurate distribution, practicality and reasonableness.

The invention discloses a dynamic-data general framework facing embedded system development. The dynamic-data general framework comprises a resource manager for being responsible for providing data in the global range, a virtual loader for dynamically loading classes in a dex file or classes in an external file and obtaining required sources through the resource manager and a view binder for binding different-type data provided by the virtual loader to corresponding controls. By means of the dynamic-data general framework facing embedded system development, the code quantity can be reduced, and the code reliability is improved; the logical structure can be clear, a data business process and other logic (view logic and the like) are separated, and the testability of codes is improved.

The invention discloses a signaling transmission adaptation method of the H.248 protocol of the Mc interface, which adapts the link layer interface to the network layer interface through the management link, thereby providing a unified signaling for the H.248 entity The transmission interface, where the link management manages the status of the link and reports it to the office management; the office management calculates the outgoing information based on the link information and reports it to the H.248 entity, or forwards the office information of the network layer interface to the H.248, and Allocate links for outbound signaling data to realize load sharing and link failure backup; the data processing performs data sending and receiving, and the adaptation method of the present invention shields the details of lower layer signaling transmission from the H.248 protocol, which is H. The .248 entity provides a unified signaling transmission interface, and can meet the requirements of load sharing, fault backup and orderly transmission of messages.