53results about How to "Make up for instability" patented technology

The invention discloses a medical knowledge base construction method based on a question-and-answer system, and relates to a medical knowledge base. The medical knowledge base construction technology based on the question-answering system mainly includes data processing, data analysis and an expert question-and-answer platform. Firstly, entity and correlation relations are extracted from clinical data by a hierarchical partitioning method at a data processing stage. Secondly, extracted results are analyzed by an association rule algorithm, entity correlation is mined, the mined entity correlation is matched with a medical dictionary, and correctly matched results are directly stored into the knowledge base. Finally, questions are automatically generated from entity correlation which cannot be confirmed by crowd-sourcing technology, the questions are submitted to an expert question-and-answer platform for answering the questions, and final results are selected from answers of experts by a majority voting algorithm and stored into the medical knowledge base.

The invention relates to a dyeing method for multilevel-color jean yarns. The dyeing method comprises the following steps: carrying out modification treatment on yarns by adopting a cationic modifying agent; padding 1-2 paths of pigment printing paste on the treated yarns at a room temperature and drying; then carrying out continuous rolling and dyeing by indigo blue and sulfur dyestuff or overdyeing of the indigo blue and the sulfur dyestuff. The jean yarns produced by the dyeing method are bright in color and luster, good in color fastness, pure in colored light and low in room-temperature dyeing power consumption; the quantity of indigo blue dyeing grooves is reduced by priming a high-fastness pigment; a process flow is shortened, the pollution discharge is reduced and the production cost is reduced.

The invention discloses a multi-dimensional power communication network flow prediction method and system; the method comprises the following steps: step 1, network flow is collected; step 2, a multi-dimensional flow prediction method is carried out; step 3, a dynamic weight updating strategy is introduced into a single exponential smoothing algorithm; the system comprises application layer equipment, an interface module, an SDN controller, an SDN coordinator, an SDN device, an OTN device and an EOPN device. The method and the system have the advantages that a cloud service technology is introduced in the adopted data measurement method; an SDN technology is introduced into a data acquisition part; the collected transverse dimension data are trained through a BP neural network algorithm; and an algorithm combined with an FARIMA algorithm and an ELman algorithm is adopted for the collected longitudinal dimension data. The precision of the prediction algorithm is improved; and the singleexponential smoothing algorithm is adopted to update the weight output by the multi-dimensional prediction algorithm, so that the fluctuation dimension of errors is reduced.

The invention relates to a multimethod-fused downscaling analysis system and method for meteorological elements of power transmission lines. The multimethod-fused downscaling analysis system comprisesa comprehensive forecasting device, a terrain-complexity closest-grid-point forecasting device and a dynamic integration device, wherein the comprehensive forecasting device is used for calculating acomprehensive forecasting value and sending the forecasting value to a dynamic integration module; the terrain-complexity closest-grid-point forecasting device is used for calculating a forecasting value by a terrain-complexity closest method and sending the forecasting value to the dynamic integration module; the dynamic integration device is used for receiving the forecasting values sent by thecomprehensive forecasting device and the terrain-complexity closest-grid-point forecasting device and calculating a dynamic integration forecasting value. The multimethod-fused downscaling analysis system and method have the beneficial effects that starting from the characteristics of a gridding numerical forecasting product, the meteorological elements of a small area or certain specified pointare accurately predicted by the downscaling technology, so that high-definition weather forecasting information of the power transmission lines can be obtained.

The invention discloses a solar absorption refrigeration system, which comprises an evaporator, an absorber, a generator, a condenser, a solar heating system with a solar heat collector and a heat collection water tank, an auxiliary heater for heating water flowing out of the solar heat collector and a branch which is provided with a compressor and is arranged between the evaporator and the generator, wherein after absorbing heat released in the absorption process by the absorber, cooling water absorbs refrigerant steam by the condenser to release the heat; and the solar heating system is used for heating a refrigerant solution in the generator. By the solar absorption refrigeration system, the problems of instability of the water outlet temperature of the solar heat collector and insufficient cooling caused by temperature reduction of the solar heating system are solved, influence on the cycle efficiency of a refrigeration cycle is reduced to the maximum extent, and the solar absorption refrigeration system operates stably.

The invention discloses a full-sealed plant nutrient aeroponic cultivation device and a plant aeroponic cultivation method thereof. The problems are solved that for an existing plant nutrient aeroponic cultivation device, plant nutrients are not comprehensive, the diseases and pests are easily spread, air in an aeroponic cultivation box is not recycled, and accordingly waste is caused. The devicecomprises the aeroponic cultivation box, a cultivation plate divides the aeroponic cultivation box into a photosynthetic aeroponic cultivation box body and a rhizosphere aeroponic cultivation box bodywhich provide required different nutrient fogs for stem leaves and rhizospheres respectively, and the stem leaves and rhizospheres are collected separately and recycled. According to the device, a single-direction circulation mode and a complete internal-circulation mode which can be freely switched are set, through the single-direction circulation mode, entrance of purification air and utilization of the stem leaves to carbon dioxide generated by the rhizospheres can be achieved, through the complete internal-circulation mode, carbon dioxide generated by the roots can be conveyed to the stemleaves of plants, the photosynthesis is accelerated, and oxygen generated by the stem leaves based on the photosynthesis is conveyed to the roots for the respiratory action. The full-sealed plant nutrient aeroponic cultivation device has the advantages that the plant nutrients are comprehensive, full sealing is achieved, the infection risk of the plants is low, and the air in the aeroponic cultivation box is recycled.

The present invention discloses a blind source separation rapid method and system based on multi-standard fusion frequency point screening. The method comprises the steps of: performing the short-timeFourier transform of sound signals to be separated, and dividing all the frequency points after conversion into two sets; performing multi-standard fusion frequency point screening of one of the sets, and employing a complex number field independence component analysis algorithm to select frequency points with signal energy and independence meeting set threshold values; performing clustering of the screened frequency points to further reduce the number of the selected frequency points; and for the frequency points screened through adoption of the multi-standard fusion method, employing an ICAto solve a separation matrix, and employing a separation method without selection of frequency points is employed to recover source signals for the frequency points in other sets. The separation signals are subjected to the inverse short-time Fourier transform. The method can better consider the improvement of the performances and the time reduction, and is little in required operation time in the same performances compared to a single standard, and can be better used for voice enhancement.

The invention discloses a natural cooling air conditioning unit suitable for a data center in the northwest region. The natural cooling air conditioning unit comprises a unit shell, mixed air inlets and a primary air inlet b are formed in the two opposite side walls of the unit shell correspondingly, and the mixed air inlets are composed of a primary air inlet a and a secondary air inlet a which are arranged up and down; and a water side evaporation cooling unit is arranged at the position, close to the mixed air inlets, in the unit shell, the water side evaporation cooling unit is externallyconnected with the tail end of an air conditioner for a data machine room, and an air side evaporation cooling unit is arranged at the position, close to the primary air inlet b, in the unit shell. According to the natural cooling air conditioning unit, the problems that a current data center cooling system is high in energy consumption, high in operation cost and high in carbon dioxide emission are solved.

The invention discloses a removal device and a removal method for wastewater containing bisphenol A. The removal device comprises a wastewater conveying pipeline; and the removal device further comprises a photocatalytic reaction device for pretreating wastewater, and a biochemical reaction device for carrying out biochemical treatment on the wastewater treated by the photocatalytic reaction device. The device provided by the invention is simple in structure and compact in arrangement, and the method is realized through multiple synergistic effects of advanced oxidation, plants, microorganismsand physics, so that high load and low cost of the whole treatment process of the bisphenol A wastewater are ensured.

The invention relates to an oxidized Dumet wire and a molding processing method thereof. The oxidized Dumet wire comprises a nickel-iron alloy core wire and a copper cladding layer covering the outside of the nickel-iron alloy core wire. The processing technology comprises the following steps: step I, selecting materials; step II, performing the primary wire drawing; step III, pretreating, and polishing and processing; step IV, sleeving a copper pipe; step V, performing the surface treatment; step VI, laminating; step VII, annealing; step VIII, performing the secondary wire drawing; step IX, performing the tertiary wire drawing; step X, oxidizing; and step XI, collecting the wire. By adopting the copper pipe sleeving copper cladding technology, the production efficiency is greatly improved, and the product quality is improved; and by optimizing the oxidization process, and by combining the primary oxidization and gas burning secondary oxidization process, the stability and uniformity of a surface cuprous oxide layer can be improved, a burnt point or a leak point can be avoided, and the product quality is improved.

The invention discloses an ecological restoration method for the geological environment of a coal mine. The ecological restoration method for the geological environment of the coal mine comprises the following steps that S1, an open pit coal mine is investigated; S2, at the initial stage of comprehensive treatment, structures, garbage and waste influencing construction in a treatment area are removed; S3, surface soil is collected; S4, overlying rock is stripped, and stripped objects are stacked at a pre-selected site; S5, residual coal is extracted; S6, a deep boundary coal pillar is blocked and covered; S7, a repair area is backfilled and leveled, specifically, the repair area is backfilled, leveled and compacted by using the rock which is stripped firstly; S8, matrix soil covering is conducted; S9, after the matrix soil is backfilled, appropriate plants are selected for planting within the matrix soil backfilling range to conduct ecological restoration; S10, management is conducted after restoration; and S11, microorganisms are added, so that the fertility and air permeability of the soil are favorably preserved. According to the ecological restoration method for the geological environment of the coal mine, waste open pit coal mines and solid waste are subjected to resource utilization, so that the restoration cost is reduced, and ecological balance is achieved.

The invention discloses a wind-light supplementary power generating energy storing device which comprises a wind machine, a photovaltaic array, a controller and a storage battery, wherein the wind machine, the photovaltaic array and the storage battery are all connected with the controller; the controller is connected with a pumped storage power generation device which comprises a lower reservior, an upper reservior and a pipeline used for connecting the upper reservior with the lower reservior; the pipeline is provided with a reversiable water pump turbine; and the reversiable water pump turbine is provided with a first working condition that the water in the lower reservior is pumped into the upper reservior and a second working condition that the water in the upper reservior flows intothe lower reservior. Compared with the prior art, the energy storing device provided by the invention has the advantages that pumped storage can be used for partially replacing a storage battery for energy storing, the defects such as short service life, high cost, pollution and the like of the storage battery are overcome, simultaneously the reliability and stability of a system can be improved,and the device is environment-friendly.

The invention discloses a communication converter for a resident electric energy centralized meter reading system. The communication converter comprises a pass-through unit, a conversion unit and a router unit; the pass-through unit is connected with the conversion unit, and further used for being connected with a router of an electric transformer district concentrator of the resident electric energy centralized meter reading system; the conversion unit is connected with the router unit; the route unit is further used for being connected with nodes of the resident electric energy centralized meter reading system. The communication converter is not designed for specific manufacturers, and is easy to achieve and suitable for all conditions under which node networking needs to be compatible with; if there are more than two schemes on the site, the number of converters can also be increased according to the condition, and thus the problem is solved that spare meters and electricity metersin an electric transformer district are incompatible with each other in communication on the condition that the collecting scheme of the original electric transformer district is unchanged; there is no need to reserve many communication modules anymore, the communication converter is particularly suitable for modification of former electric transformer districts, so that in one electric transformer district, different meter reading modes run simultaneously without mutual interference, and the instability problem of meter reading through a carrier wave or micropower wireless technology is solved; moreover, on-site construction installation is convenient, and the operation is simple.

The invention discloses a user identification method based on multi-kernel learning fused with mouse and keyboard behavior characteristics. In an uncontrolled environment, human-computer interaction behaviors of a user are monitored through a program to obtain real data generated by keyboard and mouse operations in daily work, two characteristics of a mouse and a keyboard are extracted, characteristic fusion and efficient classification are carried out through MKL, and finally efficient identity authentication of the user is achieved.

The invention relates to the technical field of liquid crystal display, in particular to quantum dot and YAG fluorescent powder doped liquid crystal display equipment. A light source structure is composed of a solid cooling aluminum shell (1), a PCB (2), a blue light LED (3) and a quantum dot film (4). The solid cooling aluminum shell (1) is in a strip-shaped groove shape, the blue light LED (3) is installed at the groove-shaped bottom of the solid cooling aluminum shell through the PCB (2), light-transmitting glass (12) is arranged on a notch of the solid cooling aluminum shell (1), the quantum dot film (4) is laid on a light entry of a light guide plate (5), and quantum dots and yellow fluorescent powder are distributed in the quantum dot film (4). The color gamut width is increased and can reach 110%; in addition, the quantum dot film is arranged on a reflecting plate, the quantum dot film and the light source structure are two parts, heat dissipated by the light source structure can be effectively isolated, and the instability, caused by the temperature change, of the quantum dots is further reduced.

The invention relates to the technical field of liquid crystal display, in particular to a light-emitting method utilizing quantum dots to obtain a white light spectrum and a light-emitting device thereof. The light-emitting method comprises the following steps that blue light emitted by a blue-light LED light-emitting lamp (1) passes through red-light quantum points (2), and then red light (R) is emitted, and green light (G) is emitted by green-light quantum points (3); the blue light (B) passes through yellow-light fluorescent powder (4), and then second mixed yellow light (Y2) is emitted; after the red light (R), the green light (G) and the blue light (B) are mixed, first mixed white light (W1) is obtained, and second mixed white light (W2) is obtained after the blue light (B) and the second mixed yellow light (Y2) are mixed; the stable white light spectrum (W) is obtained after the first mixed white light (W1) and the second mixed white light (W2) are mixed. The color gamut is improved to 110%, and instable factors of a quantum dot light source are also made up.

The invention discloses a control method and system of a frequency-conversion solar heat pump water heater. The control method comprises the following steps that system operation parameters are initialized, specifically, (11) the initial optimal operation time Time0 and the initial average heating power Qh0 are obtained according to the initial solar irradiation intensity value E0 and the initialenvironment temperature Te0; and (12) the initial operation frequency f0 of a compressor and the initial open degree EXV0 of an electronic expansion valve are calculated according to the initial average heating power Qh0, the system operates according to the initial operation frequency f0 of the compressor and the initial open degree EXV0 of the electronic expansion valve, and the operation frequency of the compressor and the open degree of the electronic expansion valve are adjusted periodically in the system operation process. According to the control method, heat absorption of an evaporatoris increased through solar radiation heat, the instability of the solar radiation heat is made up through air heat, and double sources of solar energy and air energy are integrated to achieve the purpose of improving the performance of a solar water heater system.

The invention discloses a frequency conversion solar energy heat pump water heater control method and system. The frequency conversion solar energy heat pump water heater control method includes the following steps that system operation parameters are initialized, specifically, (11) according to an initial solar radiation intensity value E0 and the initial ambient temperature T<e>0, the initial optimal operating time Time0 and the initial average heating power Q<h>0 are obtained; (12) the initial running frequency f0 of a compressor and the initial opening degree EXV0 of an electronic expansion valve are calculated according to the initial average heating power Q<h>0; and a system is run according to the initial running frequency f0 of the compressor and the initial opening degree EXV0 ofthe electronic expansion valve, the running frequency of the compressor is periodically adjusted during system running, and the opening degree of the electronic expansion valve is adjusted according to the air suction superheat degree of the compressor. According to the frequency conversion solar energy heat pump water heater control method, absorption of heat of an evaporator is improved throughsolar energy radiation heat, then air heat is used for compensating the instability of the solar energy radiation heat, and thus two sources of solar energy air energy are combined into one to achievethe purpose of improving the performance of a solar water heater system.

The invention relates to a particle filter tracking method based on infrared significance feature fusion. A particle filtering framework is adopted, a corresponding feature observation model is established in a multi-feature fusion mode to calculate particle weights, the position information and the weights of the particles are used for obtaining an estimated target state to achieve target tracking, and the figure 1 in the abstract figure of the specification is a specific implementation flow chart of the invention.

The invention discloses a constant-temperature fresh-keeping base station run on the basis of natural energy. The constant-temperature fresh-keeping base station comprises a base station box body, an energy system, an air-conditioning fresh-keeping system and a control system; the energy system comprises a ground source heat pump system and a photovoltaic power generation system; the photovoltaic power generation system is used for supplying power to the base station box body, the ground source heat pump system and the control system; the ground source heat pump system is used for adjusting the temperature atmosphere for a fresh-keeping chamber of the base station box body; the air-conditioning fresh-keeping system is used for adjusting the gas atmosphere for the fresh-keeping chamber of the base station box body; and the control system is used for collecting and adjusting the running parameters of the base station and realizing the normal running of the base station. The base station combines the photovoltaic power generation system with the ground source heat pump system, power and cold or heat are provided for the running of the base station by utilizing natural energy such as solar energy and shallow geothermal energy, the utilization of conventional energy sources is reduced, and a relatively constant temperature and gas atmosphere condition can be maintained in the fresh-keeping chamber.

A tray-piston type swing executor driven tray-piston type swing pressure-feeding fluid machine comprises a support, a tray-piston type swing executor in a tray-piston type swing executing device, a tray-piston type swing pressure-feeding fluid machine head, a cooling system, and a driving force generating system. The tray-piston type swing executor comprises an executor fixed swing tray set, and / or an executor piston cylinder piston set, and an executor fluid in / out channel system. The tray-piston type swing pressure-feeding fluid machine head comprise a pressure-feeding fluid fixed swing tray set in the tray-piston type swing executing device, and / or a pressure-feeding fluid piston cylinder piston set, and a pressure-feeding fluid machine head fluid in / out channel system. The tray-piston type swing executing device comprises at least one fixed swing tray set, a connection mechanism, a power in / out bonding structure, a lubricating system, and a sealing structure. The fixed swing tray set comprises a fixed tray, a piston sheet, and a swing tray. The angular travel range of the swing piston sheet is 0 to 300 degrees or so. The pressured fluid drives the piston sheet to pressurize the fluid to carry out pumping.

The invention discloses a frequency offset compensation method and device. The method comprises steps that terminal equipment triggers frequency calibration of a reference clock of the equipment according to the current receiving link frequency offset fo when monitoring that the terminal is in a static state, and obtains a current reference clock frequency offset value fc; when the terminal equipment receives data, receiving frequency offset estimation is carried out according to the received pilot frequency or demodulation reference signal to obtain a current receiving link frequency offset fo; a current receiving frequency offset compensation value and a sending frequency offset compensation value are calculated by utilizing the current reference clock frequency offset value fc and the receiving link frequency offset fo; and the terminal equipment performs frequency offset compensation on the data on the corresponding link by using the current receiving frequency offset compensationvalue and the sending frequency offset compensation value. By adopting the method, a Doppler frequency shift problem in a high-speed environment can be effectively solved, implementation cost is low,and implementation is easy.

The invention discloses a measuring system and a measuring method. The system comprises an optical fiber laser, a first optical fiber beam splitter, a time delayer and a detector. The optical fiber laser generates a pulse light beam, and the first optical fiber beam splitter splits the pulse light beam into pump light and probe light. The time delayer enables the delay time between the pump lightand the probe light to be adjustable. And the two paths of light are finally emitted into an object to be measured. The detector is used for obtaining signal light formed by reflection of the detection light through the to-be-detected object in multiple different delay time, and obtaining detection information according to the signal light. Therefore, the photoacoustic measurement of the to-be-measured object is realized by using the measurement system. Part of optical paths in the system are realized through optical fibers, the optical paths of the optical fibers have the advantages of softness, randomly changeable shapes, long transmission distance and suitability for various severe environments with strong electromagnetic interference, flammability, explosiveness and the like, and the stability and the anti-interference capability of the system are improved. Tedious work such as collimation adjustment and the like is omitted in an optical fiber light path, the device adjustment convenience in the measurement process is improved, and the test time is shortened.

The invention discloses a baud rate calibration method and calibration circuit for a CAN controller, and the method comprises the steps: S1, starting a calibration program, carrying out the calibration, and enabling a calibration module to transmit a data frame with a set length to a tested calibration module; s2, carrying out edge detection on the data frame received by the detected calibration module, obtaining and counting a single-bit high level count value, and then screening out a single extra-high level value for calculation; s3, calculating the selected single extra-high level count value and the count value of the calibration module to obtain the actual frequency of the current clock signal of the tested calibration module, and calculating the calibrated Baud rate according to the actual frequency of the tested calibration module to obtain a frequency division coefficient; and S4, storing the frequency division coefficient in the tested calibration module, and then performing data transmission or / and receiving between the tested calibration module and the baud rate test module to determine whether the baud rate of the CAN controller is successfully calibrated.

The invention discloses a variable-frequency solar heat-pump water heater control method and system, and the method comprises the following steps: a system operation parameter initialization step: (11), obtaining the initial optimal operation time and the initial average heating power according to an initial solar irradiation intensity value and an initial environment temperature; (12), calculating an initial operation frequency of a compressor and an initial opening degree of an electronic expansion valve according to the initial average heating power; operating the system according to the initial operation frequency of the compressor and the initial opening degree of the electronic expansion valve, periodically adjusting the operation frequency of the compressor in the system operation process, and adjusting the opening degree of the electronic expansion valve according to a suction superheat degree of the compressor. According to the method, the heat absorption of an evaporator is improved by utilizing solar radiation heat, and the instability of the solar radiation heat is compensated by utilizing air heat, so that the aim of improving the performance of the solar water heatersystem is fulfilled by integrating solar energy and air energy.

The invention relates to a time-shift facility agriculture electric load scheduling method in the micro energy grid. An electric load optimized scheduling model of facility agriculture is establishedby the steps that 1) maximum likelihood is achieved according to a power utilization curve and a photovoltaic output curve of the micro energy grid together with a storage battery model, an objectiveis described in a least square method, and an objective function f of the optimized scheduling model is obtained; 2) proper prediction models, namely a photovoltaic power generation model and the storage battery model, are selected, a predicted value of sunshine irradiance is obtained according to the prediction models, the photovoltaic power generation power in the scheduling period is obtained,and a lead acid battery serves as an energy storage device; and 3) historical data of energy consumed by the time-shift electric loads in the micro energy grid is obtained, and the time-shaft electricload model in the micro energy grid is established. Especially, the model is solved in a chaotic optimization algorithm. Via the steps, the onsite consumption of the photovoltaic output can be maximized by combining the electric load optimized scheduling model of facility agriculture with the storage model.

The present application discloses a frequency offset compensation method and device, wherein the method includes: when the terminal equipment monitors that the terminal is in a static state, triggering frequency calibration of the reference clock of the equipment according to the current frequency offset fo of the receiving link, to obtain the current The reference clock frequency offset value fc; when the terminal equipment receives data, it estimates the received frequency offset according to the received pilot frequency or demodulation reference signal, and obtains the current receiving link frequency offset fo; The reference clock frequency offset value fc and the receiving link frequency offset fo are used to calculate the current receiving frequency offset compensation value and the sending frequency offset compensation value; the terminal device uses the current receiving frequency offset compensation value and the sending frequency offset compensation value. Frequency offset compensation value, respectively perform frequency offset compensation on the data on the corresponding link. The present invention can effectively solve the problem of Doppler frequency shift in high-speed environment, and is low in cost and easy to implement.

The invention discloses a method for estimating a path and a distance traveling along a plane based on a plurality of camera lenses, which comprises the following steps: (1) deriving a depth map of three-dimensional coordinate mapping of each camera; (2) finding out the object to be observed in each camera; (3) For each found target problem, the bounding box is computed and the point in the centerof its lower edge is mapped to the bottom 2-D plane; (4) Eliminating duplicates of the target object to obtain a complete list of positions. The invention discloses a novel visualization method, which distinguishes the same object photographed by different cameras through a mapping dimension reduction method, and directly reproduces the moving track of the object in a certain large area. Multiplepositioning cameras not only make up for the outdoor space can not be installed high position camera alone, but also make up for the shake and instability of the unmanned aerial vehicle cameras.