46 results about "Coupling matrix" patented technology

The invention relates to the technical field of laser control, and discloses a multi-axis laser flight compensation control method and device, and the method comprises the steps: collecting the position, speed and acceleration data of multi-axis motion, carrying out the fusion and denoising, and obtaining a smooth multi-axis state vector; constructing an inter-axis coupling matrix to determine the dynamic interaction strength, and extracting a dominant axis pair and a preliminary deviation trend vector when the dynamic interaction strength exceeds a threshold value; simulating trajectory evolution to obtain prediction deviation distribution, and constructing a compensation control law to determine a multi-axis cooperative correction increment; and when the track stability does not reach the standard, iteratively updating the matrix to obtain a refined model, generating a real-time adjustment instruction and feeding back the instruction to an actuator, and updating a state vector after an effect is verified. According to the method, the multi-axis laser flight path can be accurately compensated, the control precision and the dynamic adaptability are improved, and technical support is provided for precision machining.

The invention discloses a U-shaped aqueduct prestress multi-beam cooperative tensioning control method and system. The method comprises the steps that S1, a quantitative derivation model is constructed, based on an aqueduct structural mechanical equilibrium equation, a prestress coupling effect item is introduced for calculation, a prestress coupling matrix is output, and an initial tensioning sequence is derived; the device is simple in structure, and an initial tensioning sequence is deduced by establishing a mechanical equilibrium equation and introducing a coupling effect item; meanwhile, stress / displacement deviation data collected by a monitoring system in real time are fed back to an edge calculation terminal to calculate a control strategy in real time, adjustment is executed by a tensioning device, and therefore a field data closed-loop optimization mechanism is constructed, the tensioning force and sequence can be dynamically corrected, the limitation of a static model is broken through, and the construction efficiency is improved. And a displacement constraint term is introduced as a punishment or control condition in the optimization process, so that deformation overrun of key parts of the structure is effectively prevented, and the precision, safety and intelligent level of prestress construction are remarkably improved.

The invention relates to the technical field of solid oxide fuel cells, and discloses a construction method of a solid oxide fuel cell multi-physical field bidirectional strong coupling simulation model and a computer program product. The method comprises the following steps: respectively constructing an electrochemical model, a positive / negative electrode fluid flow model and a heat transfer model of the solid oxide fuel cell based on an established geometric structure model; solving equations of the physical fields in all the models are combined to form a full coupling matrix, and iterative solving is carried out according to a set initial value; and judging whether the constructed model is converged or not according to an iterative solution result. According to the model constructed by the method, the mutual influence among electrochemistry, flow and heat transfer processes is fully considered, and synchronous solving is performed through a unified matrix system, so that real-time interaction and collaborative updating among multiple physical fields are realized, and the convergence efficiency and numerical stability of a nonlinear coupling problem are remarkably improved; through inspection, the deviation between a simulation result and actually measured data is less than 8%, and the method has high engineering practical value.

The invention relates to the technical field of resonators, in particular to a resonator parameter analysis method and system based on artificial intelligence, and the method comprises the steps: generating an ideal coupling matrix of a target resonator according to the center frequency, the passband bandwidth and the in-passband return loss; acquiring a corresponding relationship among an external quality factor, a coupling coefficient between resonant cavities, a coupling window width and a resonant cavity length through electromagnetic simulation or theoretical calculation, constructing a training data set, and training a regression model to predict the coupling window width; obtaining an external quality factor and a coupling coefficient of a target frequency band by utilizing baseband-passband transformation, solving the width of each coupling window through a prediction model, calculating the length of a resonant cavity by combining interpolation and scale transformation to form an initial size, establishing a three-dimensional simulation model to extract a coupling matrix, and iteratively correcting the length of the resonant cavity according to diagonal elements, so as to obtain an initial size; and obtaining a final physical size meeting the index. According to the method, the problems that an existing resonator design and parameter analysis process depends on experience, the number of simulation iterations is large, and the parameter reverse solving efficiency is low can be solved.

The present application relates to the technical field of intelligent manufacturing and production scheduling, and particularly relates to a garment multi-process digital twin monitoring method, which comprises the following steps: establishing a process digital twin by using a colored time-delay Petri network and an event dictionary; hierarchically updating a processing time distribution and a line change cost matrix online; obtaining a coupling matrix and calculating a dual price vector by using a regularized optimal transport, and quantifying a work-in-process capacity upper limit as a work-in-process quota; calling a Koopman operator driven counterfactual generator to evaluate an incremental cost and generate a release sequence by optimal sorting within a rolling prediction window; locking and issuing a process path according to the quota, implementing a reversible fine-tuning based on a deviation, and triggering a withdrawal and path diversion according to a topological structure abstract. The present application reduces work-in-process peak value and line change loss, and improves production capacity utilization and stability of on-time delivery.

The application relates to an inter-axis coupling suppression method and device, wherein the inter-axis coupling suppression method comprises the following steps: after a preset high-frequency modulation field is applied to a first measurement axis and a second measurement axis of an atomic magnetometer, a first excitation strategy and a second excitation strategy of the atomic magnetometer are independently executed respectively, and execution results of the excitation strategies are analyzed to obtain a first frequency response and a second frequency response; a coupling matrix is determined based on the first frequency response and the second frequency response; a decoupling filter matrix corresponding to the coupling matrix is determined and is converted into time-domain filter coefficients; when the atomic magnetometer performs actual double-axis measurement, a first actual measurement signal corresponding to the first measurement axis and a second actual measurement signal corresponding to the second measurement axis are acquired in real time, and the first actual measurement signal and the second actual measurement signal are decoupled based on the time-domain filter coefficients to obtain a first decoupled signal and a second decoupled signal. Through the application, the problem that the measurement accuracy of the magnetometer is low is solved.

The invention discloses a mutual inductance-considered SiC MOSFET random number chip parallel connection dynamic current sharing determination method, which comprises the following steps that: finite element simulation is carried out on a multi-chip parallel connection power device to obtain a (3n + 1) order matrix, an interconnection structure in the multi-chip parallel connection power device comprises a drain electrode interconnection structure, a source electrode interconnection structure and a grid electrode interconnection structure, and the drain electrode interconnection structure, the source electrode interconnection structure and the grid electrode interconnection structure are connected in parallel; elements in the (3n + 1) order matrix are used for representing self-inductance parameters and mutual inductance parameters of the multi-chip parallel power device; constructing a coupling matrix Mcoupled according to the (3n + 1) order matrix; whether the multi-chip parallel power device can achieve multi-chip parallel dynamic current sharing or not is determined according to the coupling matrix Mcoupled, the method can determine whether any number of SiC MOSFETs can achieve parallel dynamic current sharing or not, and operation is simple.

The invention provides a multi-link channel modeling method and device based on a shared cluster. The method provided by the invention comprises the following steps: determining a multi-link scene comprising at least two communication links; collecting channel data related to the shared clusters, and extracting and determining physical characteristics of the shared clusters from the channel data; constructing a cross-correlation function based on the physical characteristics of the shared clusters; the cross-correlation function is used for describing correlation characteristics generated by shared clusters among different links, and the cross-correlation function comprises a joint power and cluster summation item, a joint angle-delay power distribution item, a phase deviation item and a frequency-delay coupling item; processing the cross-correlation function to obtain a cross term, and fusing the cross term into a multi-cluster superposition model; on the basis of a multi-cluster superposition model, carrying out association superposition on the channel characteristics of the links, and constructing a multi-link channel model; a diagonal block of the multi-link channel model is a single-link channel matrix generated by each link based on an autocorrelation term, and a non-diagonal block is an inter-link coupling matrix generated based on a cross term.

The invention relates to the technical field of semiconductors, discloses a beam forming chip array coupling suppression method and system, and aims to solve the technical problems that electromagnetic coupling between array units under high-density integration causes radiation performance degradation, and a traditional decoupling method depends on additional hardware and lacks dynamic adaptive capacity. The method comprises the following steps: acquiring near-field response data of each antenna unit through a near-field sensing unit, and constructing and dynamically updating an array coupling matrix model; and calculating a decoupling predistortion matrix based on the model in combination with target beam pointing, generating an excitation correction value sequence, and injecting the excitation correction value sequence into a transmitting channel to realize signal precorrection. Through the above scheme, real-time sensing and adaptive suppression of the internal coupling effect of the chip array are realized, dependence on external test equipment is not needed, the beam pointing precision and the system stability are improved, the method is compatible with a mainstream process platform, and the method has good engineering portability and industrialization prospects.

The invention discloses a miniaturized broadband band-pass filter based on a transformer resonator, a design method and a filter, relates to the technical field of filters, and solves the technical problem of low efficiency caused by complex design of an on-chip filter. The design method comprises the following steps: determining a target performance index of a filter based on an application demand, and converting a prototype of the filter into a coupling matrix; performing one-to-one mapping on each element in the coupling matrix and the physical structure parameters of the filter to obtain a transformer structure layout; importing the transformer structure layout into electromagnetic simulation software for electromagnetic simulation, and outputting a multi-port S parameter model; operating circuit simulation to obtain the overall frequency response of the filter circuit, and verifying the accuracy of the preliminary design; and obtaining a final physical layout of the filter until all the performance indexes meet the requirements. The mapping relation from the coupling matrix theory to the physical layout parameters is established, a large number of simulation iterations in traditional design are avoided, and the design efficiency and the success rate are improved.

The invention relates to the technical field of testing interface boards, and discloses an optimized wiring method for testing the signal integrity of an interface board. Comprising the following steps of test interface board TIB layout pre-analysis and forced coupling channel determination, forced coupling channel region multi-layer parameterization modeling, forced coupling channel bearing bus data coding mode and weight acquisition, dynamic field calculation and parameterization crosstalk model construction, field phase collaborative optimization and test interface board physical wiring implementation. According to the method, physical geometry and time delay control parameters are generated through S2 multi-layer parameterized modeling, S4, a dynamic field solver is driven to calculate a coupling matrix in real time and construct a parameterized crosstalk model in combination with a data coding mode and weight extracted in S3, then S5, the model is called to start a global optimization algorithm, the physical geometry and time delay parameters are synchronously adjusted, and therefore the crosstalk performance is improved. The algorithm linkage of parameter modeling, field resolving, model building and collaborative optimization is realized, and the traditional crosstalk control limitation only depending on geometric spacing is broken through.

The invention discloses a high-speed test method for quality detection of a semiconductor chip, which relates to the technical field of semiconductor chip testing and comprises the following steps: extracting parasitic electrical parameters in a storage array of the semiconductor chip and establishing an electrical coupling matrix; generating a micro-test sequence library according to the electric coupling matrix, and selecting an optimal micro-test sequence set through comprehensive detection contribution calculation and peak power consumption constraint; in the test execution stage, the optimal micro-test sequence set is called for testing according to the batch risk coefficient, and the test time and the coverage rate are controlled in combination with an early stop judgment and spot check fallback mechanism. According to the invention, accurate identification of a high-coupling area, directional excitation of coupling defects, coverage rate maximization within power consumption limitation and remarkable improvement of test efficiency are realized.

The invention discloses a double-antenna phase synthesis method and a double-antenna conformal synthesis navigation antenna, relates to the technical field of navigation antennas, and solves the technical problem of insufficient phase compensation caused by significant directional attenuation of signal coverage in a dynamic environment of an existing miniaturized antenna. The method comprises the following steps: S1, obtaining the impedance Zi of an antenna i and the impedance Zj of an antenna j in real time through a directional coupler; s2, a mutual coupling matrix is constructed based on the impedance of the antenna i and the impedance of the antenna j, the current rotation angular velocity omega is introduced, and the optimal synthesis phase weight is calculated; and S3, adjusting the phase of the radio frequency channel according to the optimal synthetic phase weight obtained in the step S2 to realize dynamic compensation in a preset angle range, and the method has the advantages of stable phase, complete signal coverage and the like.

The present disclosure is a device that detects each loss occurrence point of an optical fiber under test by using at least one of a loss distribution of first backscattered light from a first core or a loss distribution of second backscattered light from a second core, calculates a mode coupling matrix Ti at an i-th loss occurrence point of the optical fiber under test, calculates a fiber length Li of an i-th fiber section having a separation at the i-th loss occurrence point of the optical fiber under test, and calculates bidirectional crosstalk in the first core or the second core by using the calculated mode coupling matrix Ti and fiber length Li and using a fiber loss factor α and power coupling coefficient h of the optical fiber under test measured in advance.

This invention provides a data-driven quality control method for the entire manufacturing process of ultra-high voltage (UHV) equipment, comprising the following steps: using a hybrid algorithm combining attention mechanism and mutual information entropy to screen coupling factors, constructing a multi-stage bidirectional coupling matrix to quantify coupling strength, and introducing the Lyapunov exponent to determine the critical state of deviation amplification; constructing a multi-objective optimization model based on the coupling matrix and Lyapunov exponent, deriving the correction amount of key process parameters for each process, and conducting dynamic intervention throughout the entire process by combining adjustments to the testing process and adaptation of terminal testing accuracy; establishing a manufacturing and maintenance coupling mapping library, mining implicit mapping paths through graph neural networks, adapting to different equipment types using transfer learning, and updating model parameters through bi-cycle iterative updates. This invention can capture the nonlinear amplification risk of small deviations, avoids relying on manual experience to adjust process parameters, and clarifies the correspondence between manufacturing parameter deviations and maintenance failures, thereby achieving traceability of quality defects.

Disclosed is a transmitting device for contactless transfer of electric energy by means of inductive coupling or by means of capacitive coupling to one or several receiving modules, each comprising a field receiving element for receiving electric energy, the transmitting device including: a plurality of transmitting modules, each including a field generating element for generating an alternating energy field and an electric energy source for providing an electric alternating quantity to the respective field generating element in a wired manner; and controller configured, in an energy transfer mode, to control the electric energy sources such that a plurality of the transmitting modules simultaneously generate one of the electric alternating fields each, wherein, in the energy transfer mode, the electric alternating fields are controlled in dependence on a singular value decomposition of a matrix depending on a coupling matrix, wherein the coupling matrix comprises coupling factors to several or to all of the field receiving elements for several or for all of the field generating elements.

Characterization of each transducer group(s) of a transmitting and receiving acoustic antenna. The present invention relates to a method (30) for determining the voltage sensitivity in reception and current sensitivity in transmission of each transducer group(s) belonging to a plurality of reciprocal transducer groups of a transmitting and receiving acoustic antenna, comprising the following steps, - until each group is used as a transmitting group: - transmission (32) of an acoustic signal by one of said groups; - simultaneous near-field acquisition (34) of the current and voltage of said transmitting group and the receive voltage of each distinct group of said plurality; then: - obtaining (42) a reciprocal coupling matrix of said plurality of transducer groups;- from said matrix, determination (44) of the voltage sensitivity in reception and current sensitivity in transmission of each group. Figure for the abbreviation: Figure 2;

The invention discloses a multi-port coupling matrix synthesis method for a resonant star junction multiplexer, and mainly solves the problems that the efficiency of solving a coupling matrix according to a multiplexer design index is low, the precision is poor, and the subsequent multiplexer physical structure design effect is poor in the prior art. Comprising the following steps: 1) designating design parameters of a multiplexer; 2) mapping a design index of the multiplexer from a physical frequency domain to a normalized frequency domain; 3) constructing a common end reflection coefficient of the multiplexer, and enabling a reflection correlation function to present constant-amplitude oscillation in each channel band; 4) constructing a multiplexer target scattering parameter polynomial which can be physically realized through a numerical iteration process; 5) acquiring an initial multi-port coupling matrix capable of realizing scattering characteristics of the target multiplexer by the constructed polynomial; according to the method, the coupling matrix model of the multiplexer can be rapidly synthesized according to the specified design parameters, and a reliable basis is provided for the physical structure design of the multiplexer.

The application is suitable for the field of new energy power generation grid operation and control technology, and provides a key voltage-reactive coupling path identification method considering reactive power regulation margin, which comprises the following steps: a linearized differential algebraic small perturbation model is established, and an explicit state space model is obtained by algebraic variable elimination; the mapping relationship between the input and the output is extracted, and a reactive power coupling gain matrix between devices is constructed; a unit scale coupling matrix is constructed, and column normalization processing is performed to construct a structure coupling matrix; the available reactive power regulation margin of each active support device at the current operating point is obtained, which is converted into a dimensionless equivalent command amplitude to construct an effective coupling matrix; according to the absolute value of the non-diagonal elements of the effective coupling matrix, the significant coupling relationship is extracted as the key voltage-reactive coupling path. The application can distinguish the coupling relationship which is sensitive to structure and significantly affects engineering, and improve the engineering interpretability of the key voltage-reactive coupling path identification result.

The application relates to the technical field of graph data processing, and discloses a graph alignment method and device based on GW distance, a system and a storage medium. The method first constructs an initial coupling matrix and obtains an optimization matrix for graph alignment from multiple rounds of global updating operations, and the construction and updating operations of the coupling matrix are based on a related algorithm of GW distance. Secondly, in the process of each round of global updating, a local selection block is first confirmed to ensure that an adaptive dynamic region selection strategy can be adopted in stages. Finally, the iterative updating operation in the current round of global updating is limited within the local selection block, and updating is performed according to a coupling submatrix obtained on the coupling matrix according to the local selection block, to obtain an updating submatrix, and then the coupling matrix is updated in a local range according to the updating submatrix, so that the updating range can be compressed to the local selection block range of each round under the condition that the total round number of direct updating is the same, thereby reducing the calculation complexity of the GW distance in the graph alignment task.

The application relates to the field of microwave technology and discloses a filter antenna coupling matrix construction method, which comprises the following steps: simulating a filter antenna model to obtain the reflection coefficient, radiation efficiency and far-field radiation phase of the filter antenna; fitting the reflection coefficient to obtain a high-order rational function; removing the embedding of the reflection coefficient according to the distribution of the zero points and the poles on the complex frequency domain plane when fitting; reconstructing the reflection coefficient of the filter antenna according to the form of the lossless reflection coefficient of the coupling resonant network of the filter antenna and the reflection coefficient after removing the embedding; taking the far field of the filter antenna as a virtual two-port of the filter antenna, taking the radiation efficiency as the amplitude of the virtual transmission coefficient of the filter antenna, taking the far-field radiation phase corrected based on the unit orthogonality of the coupling resonant network as the phase of the virtual transmission coefficient, combining the radiation efficiency to determine the virtual transmission coefficient of the filter antenna; and combining the virtual transmission coefficient and the reconstructed reflection coefficient to construct the coupling matrix of the filter antenna.

Aspects of the disclosure provide a device and method of adjusting received signals to correct for errors resulting from mode mixing in a multimode fiber (20,410,510) using an optical phased array (OPA) photonic integrated circuit (PIC) (112, 132, 500a, 500b) based device. The method including receiving, at an OPA PIC (112, 132, 500a, 500b), a first signal from the multimode fiber (20,410.510); receiving, at the OPA PIC (112, 132, 500a, 500b), a plurality of control wavelengths, wherein each of the plurality of control wavelengths is encoded with a distinct spatial mode and wherein the first signal and the plurality of control wavelengths are co-propagating signals; determining, by one or more processors (512,512b) of the OPA PIC (112, 132, 500a, 500b), a cross-coupling matrix based on the control wavelengths, the cross-coupling matrix being indicative of errors in the first signal; and adjusting, by the one or more processors (512,512a, 512b) of the OPA PIC (112, 132, 500a, 500b), the first signal based on the cross-coupling matrix.

The invention provides a multi-propeller power cooperative control system, and relates to the technical field of data processing, and the system is used for fitting the coupling effect difference between adjacent propellers through the thrust gradient change of the adjacent propellers, carrying out the partition accumulation according to the physical adjacent relation, recognizing the internal structure constraint of a multi-propeller overall power chain, and carrying out the cooperative control of the multi-propeller power. Overlapping interaction power among different propellers, calculating a non-uniform energy coupling degree among multiple propellers to obtain a power distribution index, performing reverse mapping on a local strength region of a propeller coupling matrix, establishing a power transmission path among the propellers, and performing power distribution on the power transmission path; and the synchronous stability degree between the main propulsion propeller and the auxiliary propulsion propeller is calculated to obtain a dynamic balance factor, the dynamic distribution index and the change trend of the dynamic balance factor are normalized to form a collaborative vector, and an instantaneous power adjustment sequence of each propeller is defined to obtain a control instruction matrix. The stable navigation of the fleet is ensured by controlling the power cooperation of the propellers.

Method (100) for optimizing the directivity of an antenna comprising at least one electromagnetic source (Si, i=1, N), the directivity in the direction (, ) being determined from a reduced coupling matrix of dimension N*N, the terms of which are defined from the terms of a coupling matrix of dimension 2N*2N, the terms of said coupling matrix being a function of the field radiated in the direction (, ) by a source Si and another source Sj, the method (100) comprising the following steps: determination (101) of a value of two parameters from among the three parameters: the position (, i=1, N), the complex excitation amplitude, the complex reflection coefficient in the direction , on the basis of the reduced coupling matrix, determination (102) of at least one corresponding value of the third parameter from among the three parameters, so that the directivity in the direction is locally optimal, for example locally maximum;Figure 1;

The application relates to the technical field of data security, and provides a recommendation system attribute forgetting method and device based on kernelization geometric constraint and electronic equipment. The method comprises the following steps: constructing an attribute kernel matrix for a sensitive attribute to be forgotten; performing mapping processing on original user representation output by a user representation layer of a target recommendation system by using an attribute forgetting block, so as to obtain user representation after forgetting of the sensitive attribute; calculating a Gram matrix of the user representation, performing Hadamard product operation on the Gram matrix and the attribute kernel matrix, and obtaining a coupling matrix; constructing a kernelization rate distortion target based on the coupling matrix, and updating learnable parameters of the attribute forgetting block by maximizing the target; and generating a recommendation result based on user representation output by the attribute forgetting block after being updated. The application does not need to retrain a recommendation model or modify parameters of the recommendation model, can better maintain the performance of the recommendation system when forgetting continuous attributes and discrete attributes, and has the advantages of low cost, high compatibility and good versatility.

The application discloses a kind of cascade robustness evaluation methods for space gravitational wave detector interference configuration, belong to the technical field of architecture design evaluation and operation strategy optimization of space gravitational wave detector, when random disturbance, intermittent failure or availability of inter-satellite optical link, measurement channel or related components of space gravitational wave detector occurs, based on the link and directionality dependence relationship of candidate interference architecture, the candidate interference architecture is mapped into directed dependence multilayer network and the directed coupling matrix is constructed, the overall function retention capability of architecture under disturbance condition is calculated by establishing self-consistent solution model of cascade response to form comprehensive evaluation index, quantitative comparison of multiple candidate interference architectures is realized, and the design selection, mode switching and on-orbit link management of interference architecture are provided with computable decision basis, and the influence of failure propagation and cascade degradation driven by dependence relationship can be effectively inhibited.

The invention provides a complex coupling scheme weighing method based on MBSE, and the method comprises the steps: building a coupling matrix based on the hierarchical element and structure dependence relation of an MBSE model, and achieving the static coupling quantification; constructing a conditional probability network model by taking the coupling matrix as a prior structure constraint and combining with equipment simulation data to realize dynamic coupling quantification; determining a coupling degree threshold by combining a preset architecture knowledge base and a design rule base according to functional requirements and non-functional requirements of the equipment, and performing preliminary screening on the candidate schemes; and based on the static coupling quantification result and the dynamic coupling quantification result, carrying out comprehensive scoring by adopting a weight fusion algorithm combining a probability weight variable coefficient method and an entropy weight method, and screening out an optimal scheme.

The application provides a multi-screw power cooperative control system and relates to the technical field of data processing.The system is used for fitting the coupling effect difference between screws through the thrust gradient change of adjacent screws, accumulating in accordance with the physical adjacent relationship, identifying the internal structure constraint of the whole multi-screw power chain, superimposing the interaction power between different screws, calculating the non-uniform energy coupling degree between the multi-screws, obtaining the power distribution index, reversely mapping the local strength area of the screw coupling matrix, establishing the power transmission path between the screws, calculating the synchronous stability degree between the main propelling screw and the auxiliary propelling screw, obtaining the dynamic balance factor, mutually normalizing the change trend of the power distribution index and the dynamic balance factor to form a cooperative vector, defining the instantaneous power adjustment sequence of each screw, and obtaining a control instruction matrix.The application ensures the stable navigation of a fleet by controlling the screw power cooperation.

This invention describes a 3D stereoscopic hyperdirectional antenna and its optimization method. It includes: a multilayer substrate, several radiating elements, and an excitation module; the radiating elements are mounted on the multilayer substrate to form a 3D stereoscopic radiating element array; the excitation module includes an excitation circuit and a computing unit; it records the radiation field generated when the 3D stereoscopic radiating element array is uncoupled and the uniquely excited radiation field of different radiating elements when coupling exists; it expands the radiation fields before and after coupling using spherical wave coefficients to establish the connection between the coupled and uncoupled electromagnetic fields, obtaining a coupling matrix; it calculates and generates a hyperdirectional excitation vector based on the coupling matrix, thereby exciting the radiating elements through the excitation circuit to achieve hyperdirectional beam generation. Compared with existing antenna technologies, the hyperdirectional array excitation vector proposed in this invention can dynamically realize hyperdirectional beams with aligned directions, exhibiting excellent performance in both directivity and achievable gain.

The application relates to the field of Internet of Things information and communication technologies, and discloses an Internet of Things communication method based on a cloud all-in-one machine, which comprises the following steps: acquiring the Internet of Things node topology parameters of the access cloud all-in-one machine to construct a coupling matrix defining the physical cause-effect correlation relationship between the sensing and executing nodes, analyzing the data link layer identification bits of the uplink data frame to match a leading transition characteristic sequence, judging the intercepted physical trigger signal and extracting the receiving time stamp, injecting a time sequence preemption token into the branch queue of the following node according to the signal, enabling the branch queue to acquire the hardware sending queue priority access right, starting a timing loop and implementing decay processing on the token weight according to the flow loss time width, and canceling the token when the weight is zero or the time window is closed. The application establishes a direct mapping of the physical correlation and the link layer scheduling, eliminates the time delay fluctuation introduced by the protocol stack analysis, and ensures the synchronization of the network scheduling time sequence and the physical propagation process.