36 results about "External field" patented technology

The invention discloses a rapid three-dimensional electromagnetic simulation method and verification device for a large-scale uninsulated coil, and aims to solve the problems of large calculation load, difficulty in homogenization, poor field-circuit coupling convergence and low result precision of the three-dimensional simulation of the existing large-scale uninsulated coil. The simulation method comprises the following steps: establishing a homogenized coil which does not divide specific turns, and setting anisotropic resistivity; constructing a current source area intercepted on the coil body and a free turn-to-turn resistance area connected in parallel with the current source area; applying current source excitation according to an open loop / closed loop coil; and the precision is ensured through radial grid encryption and result convergence verification. The verification device comprises a three-dimensional multi-turn verification coil, a direct current source, a multi-direction alternating external field applying module and a voltage and magnetic field measuring unit, direct current is supplied, an alternating external field is applied, and the simulation accuracy is measured and verified in real time. The method is simplified in modeling, rapid in calculation, good in convergence and high in precision, adapts to open-loop / closed-loop and single-cake / multi-cake coils, and is suitable for large uninsulated superconducting coils in rotary and linear motors, nuclear fusion equipment and the like.

The invention relates to the field of quantum calculation and combinatorial optimization solution, and provides a measurement resource adaptive allocation and risk control recursive dimension reduction method and system based on a parameterized quantum circuit, and a medium. The classical controller issues a circuit control and read-out instruction to the quantum processing unit, executes calculation base projection read-out sampling, counts and estimates diagonal Pauli observable measurement and a tensor product term thereof, and generates point fixation and edge contraction candidate actions. Constructing a lower confidence boundary based on observation uncertainty and dynamically distributing sampling times; forming classical confidence in combination with the flipping cost, performing weighted fusion on the classical confidence and the quantum confidence according to uncertainty to obtain a score, and calculating the risk; selecting low-risk actions in batches under conflict constraints, performing elimination, updating coupling and an external field, and executing amplitude cutting, re-calibration and rarefaction; and iterating to a scale solvable solution and backfilling an output solution.

The present technology pertains to an information processing device, method, and program that enable quick response of a user to be supported and risk to be reduced. An information processing device detects an intervening person from the outside with respect to a user wearing a device that blocks an external field of view and sound, and performs control to present information related to the detected intervening person to the user. The present technology can be applied to an environmental computing system.

The invention discloses an external field response absorbent and application thereof, and belongs to the technical field of gas purification and separation. The external field response absorbent provided by the invention is prepared from the following raw materials: a main absorbent, an activating agent, a conditioning agent and an absorption enhancer in a mass ratio of (5-20): (5-20): (5-20): 1. The external field response absorbent provided by the invention has the advantages of high regeneration rate and high cycle capacity under the action of light waves, sound waves or microwaves, and the CO2 capture cost is remarkably reduced; the regeneration performance is improved by 50-80% compared with that under the traditional heat treatment condition; and the regeneration temperature is 95-105 DEG C, which is reduced by 5-35 DEG C compared with the regeneration temperature of 110-130 DEG C of the traditional industrial absorbent, and the industrial absorbent has significant advantages in energy consumption and operation cost.

This invention discloses a method for enhancing the uranium separation efficiency of commercial iron powder using an external field, comprising: adding commercial iron powder to a reactor containing fluorine- and uranium-containing wastewater; applying an external weak magnetic field or magneto-optical coupling; and performing uranium separation treatment on the fluorine- and uranium-containing wastewater under continuous stirring. This invention magnetizes the commercial iron powder by introducing a weak magnetic field, thereby attracting Fe... 2+ Migration disrupts the passivation layer on the surface of iron powder, promoting the reaction of U(VI) with Fe. 0 The redox reaction simultaneously strengthens the affinity between the magnetized iron powder particles and the paramagnetic O2 molecules, leading to the formation of γ-FeOOH nanosheets with a high specific surface area on the iron powder surface. The γ-FeOOH surface is rich in oxygen-containing functional groups, which achieve U(VI) separation through the bonding of -OH groups with U(VI). This invention, based on a weak magnetic field, further improves the separation efficiency of commercial iron powder for U(VI) in fluoride- and uranium-containing wastewater by coupling with an optical field.

The application relates to a vertical magnetization anti-ferromagnetic magnetic memory without external field assistance and a storage method thereof, which comprises an anti-ferromagnetic layer, an insulating layer and a heavy metal layer from top to bottom, two groups of write currents of the anti-ferromagnetic layer and the heavy metal layer are perpendicular to each other in space, the size and direction of the two groups of write currents of the anti-ferromagnetic layer and the heavy metal layer are controlled, the upward or downward state of a Neel vector in the anti-ferromagnetic layer is controlled, and the Neel vector state represents different information of storage. The Neel vector of an anti-ferromagnetic device is regulated by using direct current to realize data writing, improve the arrangement density of a storage unit array, and save energy consumption. The vertical magnetization anti-ferromagnetic magnetic random storage unit has higher magnetic moment flip speed, better storage stability, simple structure, high speed, anti-stray field disturbance and non-volatility, and the storage unit is especially faster in reading and writing speed.

The invention belongs to the technical field of detection, and particularly relates to an airborne active phased array radar and IFF equipment integrated test system. Comprising a comprehensive detection device, and the comprehensive detection device comprises a microwave link unit, a mass storage unit, a baseband signal processing unit, a signal interface unit, an IFF system unit, a comprehensive detection unit and a main control unit. And the man-machine interaction display and control computer is used for generating a control command, sending the control command to the main control unit, and analyzing and evaluating the received test result. According to the invention, automatic detection of external field radar and IFF equipment task functions and important task indexes can be realized, the method has the advantages of good versatility, portability, comprehensiveness, maintainability and economical efficiency, reduction of guarantee period, cost saving and the like, and the method accords with the integrated development trend of modern informatization electronic systems.

Provided are new classes of reconfigurable, multistable metasurfaces using the physics of colloids confined within nematic liquid crystals (NLCs). The colloids are physically moved from one stable location to another as defined by NLC-colloid interactions by external switching fields. These colloids can be scatterers within reconfigurable metasurfaces with electromagnetic (EM) responses that change with colloid location. because the colloids are moved between stable loci, these metasurfaces are also multistable, and require energy input only when changing colloid position. Furthermore, because the colloids can be returned to their original positions by simply reversing the switching field, all changes in EM responses are entirely reversible. Also provided are reconfigurable, multistable metasurfaces that utilize colloids disposed within a field of protrusions extended from a surface, with interactions between the colloid and the protrusions and the application of external fields operating to move the colloids between stable states.

The application discloses a kind of based on multi-physical field solid flow coupling calculation time sensitive target temperature field method and device, belong to computer aided engineering and thermal physical simulation technical field, including: the heat transfer model of time sensitive target is established, the topological network of time sensitive target is constructed, and one-dimensional fluid network of time sensitive target is constructed, according to the flow heat transfer of fluid region inside time sensitive target and time sensitive target solid convection establishes coupling model;Radiation angle coefficient matrix of time sensitive target surface is calculated based on coupling model, determine the shielding relationship between time sensitive target surface patch, obtain the radiation angle coefficient matrix of time sensitive target surface;Dynamic thermal radiation boundary condition of time sensitive target under external field environment is calculated;Based on heat transfer model, radiation angle coefficient matrix and thermal radiation boundary condition, time sensitive target energy conservation equation set is established, and the temperature field of time sensitive target is solved to obtain.The present application realizes high-precision solid flow convection coupling modeling with low computing overhead, improves the calculation precision and efficiency of time sensitive target.

The invention provides a shafting installation error calibration method for photoelectric comprehensive monitoring equipment, the equipment adopts a common azimuth axis integrated design and comprises a plurality of coordinate systems from an optical axis to an IMU (Inertial Measurement Unit) body, and a plurality of groups of installation error angles exist among the coordinate systems. The method comprises the following steps: firstly, establishing a coordinate system conversion matrix and deducing and constructing a compensation model for decomposing height and azimuth measurement errors into constant zero offset and related items of a target height angle; on the basis of the model, aiming at the characteristics of different error terms, mechanical adjustment is adopted to eliminate negligible terms, digital calibration is carried out through combination of azimuth axis rotation modulation and IMU output calculation, external field zero calibration is carried out through RTK and a target, and finally systematic and high-precision compensation of all shaft system installation errors is achieved. According to the method, theoretical modeling and engineering practice are combined, the influence of complex shafting errors on the equipment precision is effectively eliminated, the measurement precision and reliability of the photoelectric comprehensive monitoring equipment are remarkably improved, and the method has systematicness and universality.

The invention discloses an analysis method for high-purity ferroelectric orthogonal phase regulation and control of a hafnium zirconium oxide ferroelectric film. The analysis method comprises the following steps: constructing a total free energy functional described by gradient energy density containing phase boundary energy and a non-ferroelectric phase; establishing a control equation set of multi-physics field coupling, and solving the control equation set; and carrying out data visualization and quantitative analysis on the output sequence parameter distribution, the phase distribution and the strain field, and quantitatively extracting key physical parameters from evolution data. According to the method, the phase boundary energy is accurately described, so that the model can truly reflect the characteristics of phase boundary migration, the domain overturning and phase boundary migration process in an external field can be visually and quantitatively analyzed, the key process which is difficult to capture in the traditional technology is broken through, and the accuracy and reliability of simulation prediction are remarkably improved. The method can be directly used for guiding the optimization of an experimental process, and meanwhile, the trial and error cost and time are remarkably reduced.

A technique is provided for cooling generic many-body quantum systems of unknown Hamiltonians to their ground states with a very high fidelity. The technique works by switching on a strong field and applying a sequence of projective measurements and RF pulses to polarize the system along the direction of the external field before we adiabatically switch the field off. The evolution of the system towards its ground state is governed by the quantum adiabatic theorem. We numerically simulate the proposed technique for quantum spin chains with long and short range interactions.

A sample holder for advanced in-situ microscopy is described. The sample holder includes integrated devices to apply external fields and other stimuli to samples being inspected. The integrated devices can emulate operating environments for the samples. The sample holder and advanced microscopy can be used to study quantum characteristics and properties of samples.

The application discloses a particle transport control method in a micro-nano fluid system, comprising the following steps: dividing a calculation domain of the micro-nano fluid system into multiple sub-domains, including an atomic domain, a continuous domain and a common region where the two coexist; defining a boundary condition of the common region, transmitting physical quantity information in the atomic domain to the continuous domain by defining a constraint condition on the common region, and transmitting fluid velocity and pressure information in the continuous domain back to the atomic domain; adopting an iterative solution strategy to update the physical quantity information of the atomic domain and the continuous domain; and applying an external field factor to verify the particle transport control performance in the micro-nano fluid system based on the multi-scale coupling calculation method. The application solves the technical problems of low particle cross-domain transport precision, large dynamic flow field prediction deviation and low simulation efficiency in the existing micro-nano fluid system.

This invention relates to the field of gas detection technology, specifically to a magnetic rotation spectroscopy multi-pass absorption cell and gas sensing device based on a steady-state static magnetic field. The absorption cell includes a dual-wavelength multi-pass cell and permanent magnet rings disposed on the dual-wavelength multi-pass cell. The permanent magnet rings are sleeved on the dual-wavelength multi-pass cell and coaxially arranged with it. Ten to twenty permanent magnet rings are arranged sequentially from the inlet to the outlet of the dual-wavelength multi-pass cell. Each permanent magnet ring is of the same size and shape, and the distance between any two adjacent permanent magnet rings is 0 to 10 mm. The length of the permanent magnet ring arrangement matches the length of the dual-wavelength multi-pass cell, and they are symmetrically arranged from the center of the dual-wavelength multi-pass cell towards the inlet and outlet. This invention uses permanent magnets to replace the electromagnetic induction steady-state magnetic field, effectively avoiding the limitations of high energy consumption and excessive heat generation associated with AC solenoid coil induction of electromagnetic fields. It can promote the development of magnetic rotation spectroscopy into a high-sensitivity spectroscopic detection device that meets the requirements of external field applications.

This invention relates to the field of intelligent diagnostic technology and discloses a quantitative X-ray scattering intensity anisotropy assessment system based on free-electron lasers. The system includes a signal excitation and acquisition end, a dynamic quantitative analysis end, and a power distribution station assessment adaptation end. By employing a free-electron laser source, the generated X-rays possess intrinsic high throughput and ultrashort pulse characteristics, laying the foundation for obtaining high-contrast scattering signals within materials. The system further introduces background noise filtering and data layering techniques to preprocess and hierarchically separate the acquired scattering signals, thereby supporting early identification and assessment of equipment status. Through signal synchronization and time series construction, the system can correlate external field loading with the material's scattering response, achieving dynamic tracking of the material's anisotropic evolution process under external field action, providing dynamic data support for predicting equipment lifespan and formulating maintenance strategies.

The invention provides an interoperation verification task autonomous operation method and system based on a process engine, and the method comprises the steps: simulating an actual operation scene of a highway electromechanical equipment interoperation mechanism through constructing a virtual-real combined simulation environment which comprises external field equipment operation data, laboratory scale component state information and a software simulation model; generating an interoperation verification task according to a preset verification demand parameter set, calling a process engine to analyze the task and plan an execution process, executing the task in a virtual-real combined simulation environment according to the execution process, and collecting message transmission data, state response data and time synchronization data in a device interaction process in real time; and based on the message transmission data, the state response data and the time synchronization data, generating an interoperation verification result containing an interaction message integrity description, a state response consistency record and a time synchronization accuracy description, thereby autonomously planning a verification task and providing a comprehensive and real test environment.

The invention relates to a thermal insulation material defect detection method and system.The thermal insulation material defect detection method comprises the following steps that periodic external field excitation is applied to a to-be-detected sample; the method comprises the following steps: in a state of keeping periodic external field excitation, transmitting 0.1-3THz full-spectrum terahertz light by adopting a reflective terahertz time-domain spectroscopy system to scan a to-be-detected sample, and collecting and processing a time-domain reflection signal of the to-be-detected sample under external field excitation; the full-spectrum terahertz light comprises a first frequency band and a second frequency band, and the spectrum of the first frequency band is smaller than that of the second frequency band; performing time gating processing on the acquired time domain reflection signals, and extracting defect response signals which are modulated by external field excitation and correspond to a first frequency band and a second frequency band; and identification and quantitative analysis of internal defects of the to-be-detected sample are realized. The device has the beneficial effects that the penetrability and the sensitivity of terahertz waves in thermal insulation material detection can be improved, and the defect detection accuracy of the thermal insulation material is improved.

This application provides a method, system, device, and storage medium for measuring the external field parameters of a superconducting quantum system, relating to the technical field of quantum information computing. The method for measuring the external field parameters of a superconducting quantum system includes: performing quantum evolution at multiple preset evolution times on multiple first preset external field parameters based on a target Hamiltonian and an initial state to determine first quantum state data; determining a target probability set based on the first quantum state data; performing quantum evolution at multiple preset evolution times on second preset external field parameters based on the target Hamiltonian and the initial state to determine second quantum state data; performing joint time-domain Bayesian estimation based on the target probability set, the second quantum state data, and a Bayesian estimation framework to determine the target posterior probability distribution corresponding to the second preset external field parameters; and determining the target external field parameters based on the target posterior probability distribution and the second preset external field parameters. This application can achieve stable and high-precision measurement of unknown external field parameters.

A variable step size LVC simulation method for respectively controlling a simulation step size and an interaction step size comprises the steps that communication interconnection of a plurality of LVC simulation objects is achieved through a simulation communication network supporting a TENA-like middleware protocol, simulation propulsion of a whole system is controlled according to global logic time, and simulation propulsion comprises a state evolution process and an object interaction process; wherein the object interaction process is triggered and executed based on a period or an event according to the requirement of current LVC simulation object interaction, and is divided into three modes of complete synchronization, equal-step-size asynchronization and variable-step-size asynchronization according to the logic time advancing characteristic of the LVC simulation object participating in the interaction process; the continuous variable type state parameters and the mark type state parameters are processed respectively, and outfield parameter values needed by the current logic time are obtained; the state evolution process is triggered and executed according to evolution periodicity of the LVC simulation object, and the state parameter of the LVC simulation object at the next simulation moment is calculated according to the current state parameter and the external field parameter of the LVC simulation object.

The invention belongs to the field of film testing, and discloses a device and a method for testing the ionic conductivity of a film in the Through-Plane direction, the device comprises a base and a testing device, a vertical support frame on the base is provided with a distance adjusting device capable of sliding up and down so as to accurately adjust a film clamping gap, the testing device is divided into a first testing unit and a second testing unit, a contact electrode and a built-in field adjusting device are respectively configured and are used for accessing and adjusting an electric field, a magnetic field or a thermal field. According to the integrated design, the operation process is remarkably simplified, dependence on skills of personnel is reduced, the testing precision is greatly improved, the application range is greatly widened through precise external field control and direction adaptability, the device can efficiently meet the actual working condition characterization requirements of different types of thin film materials, and the device is suitable for large-scale popularization and application. Finally, the defects in the aspects of external field integration, test direction matching and multifunctional cooperation in the prior art are overcome.

The invention relates to an external field inspection method for a laser illuminator, belongs to the technical field of optical equipment inspection, and solves one of the problems that the inspection efficiency is low, the debugging and calibration precision of aiming equipment is low and the optical axis of the aiming equipment is easy to deviate due to the fact that the aiming equipment needs to be frequently replaced in the external field inspection of the laser illuminator in the prior art. According to the external field inspection method for the laser illuminator, an external field inspection instrument is adopted to inspect the performance of the laser illuminator at different distances, and the method specifically comprises the following steps that S1, the laser illuminator is installed on an inspection host of the external field inspection instrument, and a first sighting device and a second sighting device in the inspection host are debugged and calibrated; and S2, carrying out performance inspection on the laser measuring and illuminating device under different external field distances. According to the invention, aiming equipment does not need to be frequently replaced when the performance inspection of different distances is carried out on the laser measuring and illuminating device, and the external field inspection efficiency of the laser measuring and illuminating device is improved.

Sensor detection integration device (006) comprising the following: a sensor object information unit that generates integration object information (205A, 205B) by integrating sensor object information (207A, 207B, 207C) with respect to a sensor object obtained by multiple detection sensors for an external field that detect an object in an external field, the sensor object information integration unit (010) comprises: an integration object information storage unit (106) that stores the integration object information (205A, 205B), a prediction update unit (100) that extracts a predictable prediction object from the integration object information (205A, 205B) previously stored in the integration object information storage unit (106), and predicts a position of the prediction object after a predetermined time without using the sensor object information (207A, 207B, 207C), an allocation unit (101) that estimates the prediction object to be assigned to the sensor object information (207A, 207B, 207C), an offset parameter update unit (102) that updates an offset parameter required for calculating an offset to be applied to the sensor object information (207A, 207B, 207C), an integration target information generation unit (104) that applies the offset to the sensor object based on the offset parameter and generates integration target information (204) in which the prediction object and the sensor object with applied offset are linked, based on an estimation result of the assignment unit (101), and an integration update unit (105) that generates the integration object information (205A, 205B) with the estimated position of the object based on the integration target information (204).

The invention discloses a particle transport control method in a micro-nano fluidic system, and the method comprises the following steps: dividing a computational domain of the micro-nano fluidic system into a plurality of sub-domains, including an atomic domain, a continuous domain and a common region where the atomic domain and the continuous domain coexist; boundary conditions of the public area are defined, constraint conditions are defined for the public area, physical quantity information in the atomic domain is transmitted to the continuous domain, and fluid velocity and pressure information in the continuous domain is transmitted back to the atomic domain; updating physical quantity information of the atomic domain and the continuous domain by adopting an iterative solution strategy; and applying an external field factor, and verifying the particle transport control performance in the micro-nano fluidic system based on the multi-scale coupling calculation method. The technical problems of low particle cross-domain transport precision, large dynamic flow field prediction deviation and low simulation efficiency in the existing micro-nano fluidic system are solved.

The invention belongs to the technical field of photoelectric coupler reliability, and particularly discloses a photoelectric coupler dynamic reliability evaluation method based on Bayesian data fusion. The method comprises the following steps: establishing a life distribution model as prior distribution by using accelerated degradation test data; introducing large sample data of a secondary screening link to construct a likelihood function, and performing first Bayesian updating on prior distribution; second Bayesian updating is carried out by combining the real service life and non-failure data used by the external field, and posterior distribution is obtained; and calculating the average failure time, the reliability and the confidence interval of the photoelectric coupler based on the posterior distribution. The problems that in the prior art, data sources are single, small samples are high in uncertainty, and non-failure data cannot be processed are solved, dynamic fusion of multi-source heterogeneous data is achieved, and reliability evaluation precision is improved. Cases show that the life prediction error is reduced to be within 8%, and reliable support is provided for quality guarantee, storage life extension and life prediction of the photoelectric coupler.

The invention provides an electromagnetic wave propagation model correction method and system based on external field data, electronic equipment and a computer readable storage medium, and relates to the technical field of electromagnetic transmission. According to the method, on the basis of a traditional offshore UHF frequency band channel electromagnetic wave propagation model, actual test collection data in a specific environment is effectively combined to correct the model, the defects that a numerical calculation model is low in efficiency and difficult to accurately model and a semi-empirical model is poor in precision are overcome, on the basis of ensuring the calculation efficiency, the calculation precision is improved, and the calculation efficiency is improved. And research on large-scale electromagnetic spectrum spatial propagation characteristics in a specific area can be carried out in the field of computer simulation.

The invention provides a method and a system for predicting influence of basal plane dislocation on material performance, which are applied to the technical field of material science, and the method comprises the following steps: obtaining input characteristics of a to-be-predicted material, the input characteristics of the to-be-predicted material at least comprising basal plane dislocation density, basal plane dislocation type, doping rate, temperature and external field intensity; inputting the input features of the to-be-predicted material into a performance influence prediction model for performance prediction to obtain a performance prediction value of the to-be-predicted material; the performance influence prediction model is obtained by training based on the first data set and the trained machine learning potential model. According to the scheme, the performance influence prediction model is obtained through training of the first data set and the trained machine learning potential model, and then the performance prediction value of the to-be-predicted material is obtained through prediction of the performance influence prediction model. The machine learning potential model covers the association between the long-term evolution of the basal plane dislocation and the performance of the large-size material, so that the prediction effect of the association between the basal plane dislocation and the performance of the material is improved.

The invention relates to the technical field of magnetic random access memories, and discloses a magnetic tunnel junction and a magnetic random access memory. The magnetic tunnel junction comprises a reference layer, a tunneling layer and a free layer. The reference layer is made of CrSe. The tunneling layer is arranged on one side of the reference layer. The free layer is arranged on the side, away from the reference layer, of the tunneling layer. The material of the free layer includes CrSe. In the application, the reference layer is made of CrSe, and the free layer is made of CrSe, so that the magnetic tunnel junction has higher external field interference resistance and higher response speed.

This invention provides a method for preparing BaM thin films by synergistically enhancing the properties of BaM thin films through external field assistance and doping. The method includes: Step 1, preparing a melt: using BaCO3, Fe2O3, TiO2, and CoO as raw materials, and K2CO3, Bi2O3, and B2O3 as fluxes, weighing the above raw materials and fluxes, mixing and melting them to obtain a uniformly mixed melt; Step 2, external field-induced thin film growth: cooling to 880~930℃, and after the melt temperature stabilizes, immersing a fixture with a substrate into the melt, and applying a strong vertical magnetic field to start growing the thin film by utilizing the guiding effect of the magnetic field on the grains; Step 3, removing the thin film: after growth, removing the thin film and cleaning it; Step 4, processing the thin film: cutting, grinding, polishing, and cleaning the cleaned thin film to obtain the BaM thin film. This invention pioneers a three-in-one synergistic control strategy of "substrate lattice matching - external magnetic field induction - element doping" to achieve a synergistic enhancement of high orientation, low defect density, and high magnetic properties of BaM thin films.