171 results about "Wave coupling" patented technology

The invention relates to the technical field of wireless communication, in particular to a wide-stop-band filtering coupler based on a rectangular coaxial structure, which comprises a rectangular coaxial outer conductor upper cavity, an inner conductor circuit and a rectangular coaxial outer conductor lower cavity, and is characterized in that the inner conductor circuit is arranged between the rectangular coaxial outer conductor upper cavity and the rectangular coaxial outer conductor lower cavity through a medium supporting block; the inner conductor circuit comprises an input port, a straight-through port, a coupling port, an isolation port and a branch line coupler structure. Four ports of the branch line coupler structure are respectively in coupling connection with the input port, the straight-through port, the coupling port and the isolation port through a quarter-wavelength open-circuit parallel coupling line structure. The novel rectangular coaxial transmission line is adopted for design, so that the circuit has the advantages of the rectangular coaxial metal transmission line, the electromagnetic shielding structure enables the circuit not to be easily interfered by external electromagnetic wave signals, and the rectangular coaxial transmission line can control the impedance requirement by changing the proportion of the inner conductor and the outer conductor according to different design requirements.

An antenna assembly includes a stack and an antenna structure. The stack includes at least one electrically conductive layer structure and at least one electrically insulating layer structure, and a component, at least partially embedded in the stack. At least a portion of the electrically conductive layer structure is provided at the external side of the stack and is configured to act at least as part of an electromagnetic wave coupling structure. The component is coupled to the electromagnetic wave coupling structure. The antenna structure provides an opening to a channel. The stack and the antenna structure are connected so that the electromagnetic wave coupling structure and the opening to the channel face each other.

The invention discloses a rock burst ultra-deep hole blasting unloading wave absorption coupling prevention method for a steeply inclined coal seam, and belongs to the technical field of coal mining, and the method comprises the following steps: step 1, determining an unloading target rock stratum where a working face top plate and / or bottom plate stress concentration area is located in the steeply inclined coal seam; 2, determining a wave absorbing target rock stratum between the unloading target rock stratum and a roadway on the corresponding side of the working face of the steeply inclined coal seam; 3, arranging a plurality of unloading blast hole groups in the roadway; step 4, arranging a wave absorbing blast hole group at the position where the unloading blast hole group is arranged in the roadway; 5, all the wave absorbing blast holes are detonated, and all the unloading blast holes are detonated; and 6, after blasting is completed, the near-surface surrounding rock of the roadway on the corresponding side subjected to blasting serves as a supporting bearing layer for combined supporting. According to the invention, a three-level cooperative control mechanism of source unloading, propagation weakening and terminal bearing is realized, and steeply inclined coal seam clamping type roof and floor rock burst disasters are prevented fundamentally.

The invention relates to the technical field of harmonic wave evaluation, and particularly discloses a follow-up network parallel system harmonic wave anti-interference evaluation method and system considering frequency coupling, and the method comprises the steps: obtaining grid-connected current data of a GFL converter and a GFM converter under different background harmonic waves, calculating the harmonic wave coupling admittance matrix of the GFL converter and the GFM converter, and calculating the harmonic wave coupling admittance matrix of the GFL converter and the GFM converter; obtaining a harmonic coupling admittance matrix of the parallel system at the common coupling point; calculating a power grid side harmonic coupling admittance matrix based on the harmonic coupling admittance matrix of the parallel system at the common coupling point and the power grid line impedance; and based on the power grid side harmonic coupling admittance matrix, calculating an evaluation index of the anti-background harmonic interference capability of the parallel system, and realizing evaluation of the harmonic anti-interference capability of the parallel system. According to the method, harmonic mutual impedance is introduced, the influence of harmonic coupling is fully considered, and the harmonic anti-interference capability evaluation precision is effectively improved in part of scenes.

The invention relates to the technical field of photovoltaic power station data transmission, and discloses a method and a system for carrier transmission data of a real-time monitoring system of a photovoltaic power station. The carrier wave data transmission method specifically comprises the following steps: S101, deploying a sensor network on key equipment of a photovoltaic module, an inverter, a combiner box and a transformer of a photovoltaic power station, collecting equipment operation state data in real time, and quantizing an analog signal into a 16-bit-precision digital signal through an ADC (Analog to Digital Converter); and S102, packaging the quantized 16-bit precision digital signal into a data frame, adding a device ID, a timestamp and a CRC check code to the head of the data frame, and loading a power line through carrier communication. The optimized OFDM modulation 512 subcarrier / 1-30 MHz frequency band and pi-type filtering coupling design guarantees communication reliability, stable transmission can still be achieved even in a strong electromagnetic interference environment, the false alarm rate is effectively reduced by more than 40% through a dynamic threshold mechanism, and crossing from passive response to predictive maintenance is achieved.

The present invention relates to offshore floating wind-wave complementary power generation technology, in particular to a wind-wave complementary grid-connected optimization method based on VSG technology and feedforward control. A floating wind-wave coupled cooperative power generation system is designed, and the spatiotemporal complementary characteristics of wind energy and wave energy in the marine environment are utilized to improve the utilization rate of the anchor chain system and power transmission and transformation equipment. A nonlinear mathematical model of the power generation power of the floating wind turbine and wave power generation device is constructed. A feedforward control strategy of the floating wind-wave complementary power generation system is designed, and the wind and wave conditions in the medium and far sea areas are obtained by using a laser wind measuring radar and a laser wind measuring radar. The sea conditions near the wind-wave complementary power generation system are predicted in seconds and converted into a feedforward signal for power prediction and wind turbine state adjustment. An inverter virtual synchronous control strategy is designed, and the virtual synchronous control technology is adopted. Virtual inertia and virtual damping coefficient are introduced, and the inverter is used to realize primary frequency modulation, voltage / frequency regulation, and damped oscillation suppression functions, thereby improving the stability of the grid side.

The invention provides a Josephson junction array microwave coupling cavity. The Josephson junction array microwave coupling cavity comprises a reflecting spherical surface, a reflecting plane, a matched circuit board and a Josephson junction array chip, a Josephson junction array circuit is arranged on the Josephson junction array chip; a rectangular waveguide tube is arranged above the reflecting spherical surface; the rectangular waveguide tube is connected with the central position of the reflecting spherical surface so as to feed in microwaves; the matched circuit board is arranged on the reflecting plane and is connected with the Josephson junction array chip; a first through hole is formed in the position, corresponding to the center of the reflecting spherical surface, of the matched circuit board, so that a Josephson junction array chip can be placed in the first through hole; the Josephson junction array chip is installed on the reflection plane, and the part, provided with the Josephson junction array circuit, of the Josephson junction array chip and the reflection plane are installed in a separated mode. The influence of a reflection plane on a magnetic field in a near space range can be eliminated, and the critical current of the Josephson junction array is stabilized.

The invention discloses a dynamic simulation analysis method for a floating type offshore wind turbine generator, and the method comprises the steps: carrying out the simulation and mechanical analysis of all parts in the floating type offshore wind turbine generator through dynamic analysis software in combination with a topological structure diagram; the dynamic analysis software performs joint simulation on the variable pitch control model and the yaw control model and controls rotation of blades and a main frame, so that full-coupling dynamic analysis of the floating type wind turbine generator is realized; the situation that offshore wind power is in an unattended state for a long time when the floating type offshore wind turbine generator is subjected to the wind wave coupling effect is avoided, and it can be guaranteed that parts of the wind turbine generator run reliably for a long time under the complex working condition.

The invention discloses a construction ship operation parameter optimization method and system based on the wind wave coupling effect, and belongs to the technical field of construction ships. The multi-body dynamic model comprises a rigid body model constructed based on parameters of a ship body and a hanging object, an elastomer model constructed based on parameters of a hanging rope and a nonlinear spring model constructed based on parameters of a mooring system; the multi-body kinetic equation comprises a translation analysis module and a rotation analysis module based on a rigid body model; the tension analysis module is based on an elastomer model; the nonlinear deformation analysis module is based on a nonlinear spring model; the environment load calculation module is used for firstly calculating the acting force of the environment load on the workboat, and then taking the calculation result as the input of the multi-body dynamic model; the motion response solving module solves the motion response of the multi-body dynamic model through a numerical integration method; the mooring force calculation module calculates tension distribution of each cable based on the motion response and nonlinear characteristics of the mooring system.

The invention relates to the technical field of non-linear regulation and control, in particular to a non-linear regulation and control method for a high-power narrow-linewidth multi-tone fiber laser system, which comprises the following steps: analyzing an influence mechanism of key parameters in the multi-tone fiber laser system on a non-linear effect; on the basis of the analyzed influence mechanism, establishing a nonlinear kinetic equation for describing the interaction of the pump wave, the stokes wave and the sound wave by combining a three-wave coupling theory, and forming a nonlinear propagation model; designing a Tab-DDPM generation network based on a nonlinear propagation model, and modeling a reverse mapping relation between a performance index and a design parameter by using a conditional diffusion mechanism to realize prediction of an optimal parameter; and inputting the optimal parameter into the nonlinear propagation model for verification, extracting an actually output performance index, and comparing the actually output performance index with a set target index to realize nonlinear performance evaluation and closed-loop optimization regulation and control. According to the method, the output capability and the signal fidelity of the high-power fiber laser system are effectively improved, and the method has good generalization capability.

The invention discloses a near-shore disaster-bearing body disaster-causing path tracing method based on a digital-analog experiment, and relates to the technical field of ocean dynamic disaster simulation, the near-shore disaster-bearing body disaster-causing path tracing method comprises the following steps: determining ocean dynamic disaster characteristics of a near-shore research area, integrating multi-source historical disaster data, real-time monitoring data and disaster-bearing body background data, and constructing a time-space association database; and based on a three-dimensional ocean and third-generation ocean wave mode, an offshore storm surge-ocean wave coupling numerical mode is established and verified. According to the method, a storm surge-sea wave coupling numerical mode is constructed, multi-disaster-type nonlinear interaction is comprehensively considered, an energy conservation equation is introduced to quantify generation, transmission and dissipation processes of disaster energy, limitation of a traditional single-disaster-type linear model is solved, real-time feedback of a disaster-bearing body three-dimensional dynamic model is combined, and the disaster-bearing body three-dimensional dynamic model is optimized. A closed energy-damage association mechanism is formed, the tracing accuracy of a disaster chain type propagation path is remarkably improved, and it is ensured that recognition of key nodes and dominant paths better conforms to physical reality.

The invention relates to an offshore floating type wind and wave complementary power generation technology, in particular to a wind and wave complementary grid-connected optimization method based on a VSG technology and feedforward control, designs a floating type wind and wave coupling cooperative power generation system, and improves the utilization rate of an anchor chain system and power transmission and transformation equipment by utilizing the space-time complementary characteristic of wind energy and wave energy in an ocean environment; constructing a nonlinear mathematical model of the generated power of the floating type fan and the wave energy power generation device; a feedforward control strategy of the floating type wind wave complementary power generation system is designed, wind wave conditions of middle and far sea areas are obtained by using laser wind measurement radars, second-level prediction is performed on sea conditions near the wind wave complementary power generation system, the sea conditions are converted into feedforward signals, and power prediction and fan state adjustment are performed; an inverter virtual synchronous control strategy is designed, a virtual synchronous control technology is adopted, virtual inertia and a virtual damping coefficient are introduced, primary frequency modulation, voltage / frequency regulation and damped oscillation suppression functions are realized by using the inverter, and the stability of a power grid side is improved.

The invention relates to a dynamic submerging information determination method based on overflow and wave romantic, and relates to the technical field of marine disaster prediction and coast protection engineering. The target area is divided into target grids corresponding to an ocean circulation mode, a sea wave mode and an atmosphere numerical value mode, and a coast protection structure is arranged in the target area; determining hydrodynamic data and wave element data based on an atmosphere-ocean circulation-wave coupling model; dividing the coast protection structure of the target area into a plurality of calculation units; and based on the hydrodynamic data, the wave element data and the constructed dynamic coupling calculation model of the coast protection structure overflow and wave romantic roof model, determining the total submerging amount of the coast protection structure in each calculation unit, and generating dynamic submerging information of the target area. The total submerging amount caused by the synergistic effect of overflow and wave romantic top is reflected in real time, and the calculation precision of submerging in the composite coast protection structure is improved.

The invention provides a safety management system and method for an offshore wind turbine generator, and relates to the technical field of offshore wind power. Comprising a meteorological sensing subsystem, a wave analysis subsystem, a dynamic modeling subsystem and a safety regulation and control subsystem, wherein the meteorological sensing subsystem comprises a wind speed monitoring module, an air pressure monitoring module, a temperature and humidity monitoring module and a data fusion module; the wave analysis subsystem comprises a wave height monitoring module, a wave period monitoring module, a wave direction monitoring module and a wave coupling calculation module; the dynamic modeling subsystem comprises a kinematics modeling module, a dynamics modeling module, a wind wheel load calculation module and a platform stability evaluation module; the safety regulation and control subsystem comprises a wind speed sudden change response module, a wave coupling optimization module, a platform posture adjustment module and an emergency shutdown module. According to the scheme, the operation safety of the offshore wind turbine generator is improved.

The application discloses an analysis method for key local vibration of fluid-solid coupling bridges based on a substructure method, and relates to the technical field of bridge vibration analysis, and comprises the following steps: dividing a response key area in a bridge structure into substructures, performing static condensation, and obtaining a condensed substructure model; establishing a whole bridge-wave coupling model, and adopting a dynamic explicit solving strategy based on a coupling Euler-Lagrange method; independently solving the substructures by using a dynamic implicit method; coupling the substructures to the whole model by an interface coordination condition, and jointly calculating the whole explicit model and the local implicit model. The analysis method adopts an explicit method to process a strong nonlinear fluid-solid coupling process at a whole level, and establishes a fine substructure model through Guyan static condensation at a local area, so that the analysis precision is effectively improved.

The invention relates to a coupling structure for coupling electromagnetic waves into and / or out of a waveguide. The coupling structure comprises a substrate which comprises a pot-shaped, electrically hollow structure having an oval basic shape, wherein the electrically hollow structure is defined on one side of the substrate and is terminated on the opposite side of the substrate.

A Ka-band double-layer substrate integrated waveguide directional coupler belongs to the technical field of communication and comprises two layers of laminated dielectric substrates, a plurality of mounting holes are formed in the surfaces of the dielectric substrates and used for mounting waveguides; after the two layers of dielectric substrates are laminated, the surface between the outer surface and the dielectric substrates is coated with copper, and the wide wall part of the outer surface is provided with a mounting hole matched with the mounting hole of the dielectric substrate, a butt joint groove used for being in butt joint with the waveguide port, and a metalized through hole penetrating through the two layers of dielectric substrates. Coupling grooves which are regularly arranged are formed in the wide wall between the two layers of dielectric substrates in the electromagnetic wave transmission direction and used for coupling electromagnetic waves of one layer of dielectric substrate to the other layer of dielectric substrate. The feed structure adopts a waveguide-substrate integrated waveguide transition structure, the bandwidth is relatively wide, the waveguide joint is used as a feed end interface, and the transmission loss is relatively small. The two substrate integrated waveguide wide-wall coupling structures improve the miniaturization degree of the product.

The present invention relates to a test probe (10) for contactless measuring of the electromagnetic properties of a radio unit (20), in particular an antenna unit, the test probe (10) comprising a waveguide (1) for transmitting electromagnetic waves, a filler element (2) made of dielectric material and disposed in the waveguide (1), a lens element (3) for coupling electromagnetic waves into the waveguide (1), the lens element (3) being made of dielectric material and being disposed at one end of the waveguide (1), and a contact portion (4) for coupling out a measurement signal, the contact portion (4) being disposed at an end of the waveguide (1) opposite the lens element (3).

The invention discloses a split-band synthetic electromagnetic wave coupling device based on Rydberg atoms. The split-band synthetic electromagnetic wave coupling device comprises an energy collecting and processing case, a millimeter wave local oscillator source, a coaxial switch matrix, a surface plasma transmission line, a microwave local oscillator source, a laser generator and a photoelectric detector. The energy collecting and processing case comprises a plurality of frequency band antennas, a waveguide magic T, a waveguide adapter, a waveguide probe and a parabolic mirror, the frequency band antennas are connected with the corresponding coaxial switch matrix and the waveguide magic T after receiving incoming wave signals, and the coaxial switch matrix is connected to a plasma transmission line channel of the surface plasma transmission line; and the waveguide magic T is connected to the waveguide adapter, and is irradiated to the atomic gas chamber above the plasma transmission line channel through the waveguide probe and the parabolic reflector. And the laser generator irradiates the atomic gas chamber and then outputs to the photoelectric detector for detection. According to the invention, the problem of integration of a plurality of coupling channels is effectively solved, and meanwhile, efficient coupling of local oscillator signals, received incoming wave signals and the atomic gas chamber is met.

The invention provides a grating coupler and a design method thereof, relates to the technical field of optics, and aims to realize dynamic regulation and control of the grating coupler. The grating coupler comprises a substrate, a waveguide layer and a phase change material metasurface layer. The waveguide layer is disposed on the substrate. The phase change material metasurface layer is arranged on the side, away from the substrate, of the waveguide layer. Wherein the phase-change material metasurface layer comprises a plurality of protruding structures, so that filtering coupling and switching of the grating coupler on a target working wavelength are achieved.

This application provides a self-injection-locked narrow-linewidth laser with a quasi-continuous locking region, comprising: a semiconductor laser source for generating an initial linewidth laser and outputting it via end-face coupling; a photonic integrated microcavity chip including a bus waveguide and a microring resonator coupled to it via an evanescent wave, for receiving the initial linewidth laser and providing feedback light to the semiconductor laser through Rayleigh backscattering of the microring resonator to excite a self-injection-locking effect; the microring resonator is a compact folded waveguide microcavity with an ultra-low free spectral range, the free spectral range of which is less than a preset threshold, so that when the driving current of the semiconductor laser is changed for wavelength tuning, the self-injection-locking regions of adjacent resonant modes in the cavity physically overlap or are closely spliced ​​in the current tuning parameter space, so that the semiconductor laser can continuously transition between adjacent modes without experiencing permanent unlocking during continuous current tuning, forming a quasi-continuous locking region.

The application provides a visual micro-nano optical waveguide refractive index sensing system, and a hardware part comprises a nano fiber taper coupled fluorescent doped polymer microwire; the nano fiber taper coupled fluorescent doped polymer microwire is coupled by a nano fiber taper and a fluorescent doped polymer microwaveguide; the nano fiber taper is obtained by adopting a flame tapering method from a standard single-mode optical fiber; the fluorescent doped polymer microwaveguide is directly prepared by wire drawing from a mixed solution doped with a fluorescent dye; the nano fiber taper and the fluorescent doped polymer microwaveguide placed in a channel of an optical substrate jointly form an evanescent wave coupling structure; a signal analysis part enhances, edge extracts, smoothes and peak extracts a fluorescent image of the microwire through an image analysis algorithm, obtains an oscillation period of a fluorescent light path in the microwire under a current environment, establishes a response relationship between the light path period and the environmental refractive index, realizes direct real-time obtaining of environmental change conditions from optical images of a sensing unit shot by a camera, and thus obtains the change of the refractive index.

The present invention discloses a regional refined ocean-air-wave coupled numerical prediction method based on a non-hydrostatic model, the purpose of which is to improve forecast accuracy. A regional refined ocean-air-wave coupled numerical prediction system is first constructed, consisting of data collection, preprocessing, data assimilation, coupled model calculation, and post-processing subsystems. The data collection subsystem acquires atmospheric, ocean, and wave-related data; the preprocessing subsystem generates atmospheric, ocean, and wave model grid files, interpolates the atmospheric, ocean, and wave forecast fields, and obtains preprocessed data, namely, the atmospheric initial field, atmospheric boundary field, atmospheric forced field, ocean initial field, ocean boundary field, and wave boundary field. The data assimilation subsystem assimilates the preprocessed data to obtain assimilated data; the coupled model calculation subsystem integrates the assimilated data to obtain forecast fields for the atmosphere, ocean, and waves. The post-processing subsystem generates forecast products based on the forecast fields. The present invention reduces forecast error and improves forecast accuracy.

The invention discloses a dielectric-filled metamaterial filter. The dielectric-filled metamaterial filter comprises a waveguide, a plurality of metamaterial resonance units, an input port and an output port. The waveguide is filled with a dielectric material. The plurality of metamaterial resonance units are arranged in the waveguide, and each resonance unit in the plurality of metamaterial resonance units is electromagnetically coupled with at least one adjacent resonance unit. The input port is used for receiving input electromagnetic waves and coupling the input electromagnetic waves to the waveguide. The output port is used for receiving the output electromagnetic wave from the waveguide and transmitting the output electromagnetic wave to the outside of the dielectric-filled metamaterial filter; wherein the output electromagnetic wave is generated by filtering the input electromagnetic wave through the plurality of metamaterial resonance units.

This invention relates to a method for predicting ship maneuvering motions under high sea states, comprising the following steps: establishing a three-dimensional numerical model of ship-wave coupling under high sea states based on computational fluid dynamics; installing sensors on the ship to collect real-time motion data of the ship under high sea states, and preprocessing the collected data; extracting feature parameters related to the ship's six degrees of freedom motion based on the preprocessed data; using the feature parameters as input, constructing a ship maneuvering motion prediction model using a neural network model, the output of which is the prediction result of the ship's six degrees of freedom motion over a future period; training and validating the prediction model using historical data; inputting the real-time collected data into the trained prediction model to perform real-time prediction of the ship's six degrees of freedom motion; generating ship maneuvering suggestions based on the prediction results; and providing real-time feedback and correction to the model based on the comparison between actual operating data and the prediction results. This invention has the effects of improving prediction accuracy, ensuring ship safety, and improving prediction precision.

The application discloses a high-isolation plastic metalized waveguide slot antenna, which comprises a fixed back plate, a transmitting antenna, a transceiving isolation structure and a receiving antenna arranged on the fixed back plate. The transmitting antenna comprises one waveguide slot antenna unit and is used for transmitting electromagnetic signals. The transceiving isolation structure is arranged between the transmitting antenna and the receiving antenna and is used for inhibiting spatial wave coupling between the transmitting antenna and the receiving antenna. The receiving antenna comprises eight waveguide slot antenna units arranged according to predetermined positions and is used for receiving echo signals of a target. The application has the characteristics of high isolation while ensuring the gain requirement, and has the advantages of light weight and low cost.

The embodiment of the invention relates to an optical assembly of an integrated waveguide and an optical chip. According to some embodiments of the present application, a waveguide-integrated optical assembly includes: a first waveguide having a first end; the second waveguide is provided with a second end and is parallel to the first waveguide, and the second end of the second waveguide is coupled with the first end of the first waveguide; the optical device is located in the second waveguide, and the surface of at least one of the first end of the first waveguide and the second end of the second waveguide is gradually shrunk in the tail end direction so that light can enter the second waveguide from the first waveguide in an evanescent wave coupling mode. Another embodiment of the invention provides an optical chip. The optical chip comprises one or more optical assemblies. The optical assembly of the integrated waveguide and the optical chip provided by the embodiment of the invention can effectively solve the problems encountered in the traditional technology.

The present invention relates to a test probe (10) for contactless measurement of the electromagnetic properties of a radio unit (20), in particular an antenna unit, comprising a waveguide (1) for transmitting electromagnetic waves, a filling element (2) made of dielectric material arranged in the waveguide, a lens element (3) made of dielectric material arranged at the end of the waveguide (1) for coupling electromagnetic waves into the waveguide (1), and a contact section (4) arranged at an end of the waveguide opposite the lens element (3) for coupling out a measurement signal.

The invention discloses a bionic robotic fish cooperatively driven by rigid-flexible coupling pectoral fins and a variable-rigidity body, a left pectoral fin mechanism and a right pectoral fin mechanism are arranged in a mirror image manner and are mounted at an inclined included angle relative to a longitudinal neutral plane of a fish body, and branch fin bones in pectoral fins realize two-degree-of-freedom wing rocking and flapping movement by adopting coaxial gears and rope winding mechanisms; the pectoral fin on each side is provided with a plurality of fin rays, rigid and flexible joints are alternately matched with an elastic substrate and paired memory alloy wires for antagonistic actuation to realize controllable bending and traveling waves, and a hydrogel fin film is integrally poured outside the pectoral fin to form a continuous stress surface and ensure watertightness; the body part is driven by left and right pull wires which are wound and unwound in a differential mode and driving and driven gears to achieve bidirectional large-stroke bending, memory alloy actuators which are symmetrical up and down and hyperelastic wires are overlaid to regulate and control pretension and stress paths, and continuous adjustment of equivalent bending rigidity and damping is achieved. According to the structure, fin-body fusion, pectoral fin beat / wave coupling motion and body traveling wave propagation cooperative work are achieved under the compact size, and efficient propelling and sensitive maneuvering are both considered.

The present invention relates to a method for determining dynamic inundation information based on overflow and wave cresting, and relates to the fields of marine disaster prediction and coastal protection engineering technology. The method comprises: constructing an atmosphere-ocean circulation-wave coupling model to divide a target area into target grids corresponding to ocean circulation patterns, wave patterns, and atmospheric numerical models, with coastal protection structures located within the target area; determining hydrodynamic data and wave element data based on the atmosphere-ocean circulation-wave coupling model; dividing the coastal protection structures in the target area into multiple calculation units; and determining the total amount of inundation behind the coastal protection structures within each calculation unit based on the hydrodynamic data, wave element data, and a dynamically coupled calculation model of the constructed coastal protection structure overflow and wave cresting model, thereby generating dynamic inundation information for the target area. This method reflects the total inundation caused by the synergistic effect of overflow and wave cresting in real time, improving the calculation accuracy of inundation within the composite coastal protection structure.