73 results about "Wave period" patented technology

A Beidou / GNSS-based real-time high-precision sea surface measurement method and a buoy, wherein by using free-to-use broadcast ephemeris freely broadcast by GNSS satellites, precise point positioning of China's Beidou satellites, and other high-precision service space signals, real-time centimeter-level element information comprising time, longitude, latitude, water level, wave height, wave period, wave direction, sea surface current velocity and direction, atmospheric water vapor content, and the like can be directly obtained. The information can be stored locally in a buoy or transmitted back by communication, and is suitable for real-time high-precision sea surface measurements in offshore and far-sea scenarios.

The invention discloses a ship engine control system, and relates to the technical field of engine control. A ship engine control system comprises a data processing module, a data prediction module, a decision optimization module, a parameter generation module and a control execution module. According to the invention, a plurality of disturbance prediction parameters such as surge arrival time, environment temperature change, port congestion, pitching and rolling change trend, wave period and countercurrent intensity change trend are fused in the data prediction module, and a disturbance arrival time window and an intensity level are calculated, so that potential navigation disturbance is identified in advance; and a basis is provided for feed-forward adjustment of power distribution and combustion control, so that active intervention is realized before disturbance occurs.

The invention discloses a method for determining the crest elevation of a rolling type earth and rockfill dam in water conservancy and hydropower engineering. Comprising the following steps: collecting meteorological data, determining a calculated wind speed, determining a water area plane, determining an equivalent wind area length, determining a water area average depth, determining an average wave height and an average wave period, determining an average wavelength, determining a designed wave climb height, determining a wind congestion water surface height, determining a safe height, determining a dam body total superelevation, and determining a wave wall height. And determining the dam crest elevation. The method is suitable for earth and rockfill dams such as clay core-wall rockfill dams, asphalt concrete core-wall rockfill dams, asphalt concrete face rockfill dams, concrete face rockfill dams and homogeneous dams. The method not only has scientificity, accuracy, comprehensiveness, systematicness, safety and economical efficiency, but also is easy to popularize and apply, and has important significance for improving the accuracy and safety of dam design.

The invention discloses a real-time monitoring and analyzing method and system for underwater settlement deformation, and belongs to the technical field of marine surveying and mapping and deformation monitoring. The method comprises the following steps: calculating wave height, wave period and wave direction elements of waves through a water surface fluctuation inversion model; carrying out denoising processing on the obtained water depth data; a gyroscope and a GNSS buoy are used for dynamic wave measurement, and sea level and wave information is separated through low-pass filtering according to the frequency spectrum characteristic difference of the sea level and waves so as to correct the attitude of the buoy; the buoy measurement data and the water depth data collected by the pressure sensor are synchronized, the water surface height right above the measurement pile is calculated in combination with a water surface fluctuation inversion model, and the real-time elevation of the water bottom is obtained; and according to the water bottom real-time elevation and the water bottom settlement grade division standard, triggering early warning of a preset grade through the data cloud platform. According to the invention, real-time monitoring of underwater settlement deformation is realized, the monitoring period is shortened, the monitoring timeliness is improved, and the underwater settlement risk is found in time.

The embodiment of the invention discloses an electric leakage detection method, device and equipment, a medium and a program product. Comprising the steps of obtaining a to-be-processed signal in an electric leakage judgment period; according to the to-be-processed signal, waveform peak points in the electric leakage determination period and peak left edge points corresponding to the waveform peak points are determined; determining every two adjacent peak left edge points as a peak left edge point group, and counting the total sampling number and the trough sampling number corresponding to each peak left edge point group; according to each total sampling number, each trough sampling number, a preset correction wave period sampling number lower limit value, a preset correction wave period sampling number upper limit value and a preset trough sampling number threshold value, determining a leakage waveform from correction waveforms corresponding to each peak left edge point group; and determining an electric leakage detection result according to the distribution condition of each electric leakage waveform in the electric leakage judgment period. The complexity and the data operand of a circuit required by electric leakage detection are reduced, and the stability and the universality of electric leakage detection are improved.

The application discloses an asymmetric phase-shifting control method suitable for a half-wave shaping MMC, and can realize wide-range operation energy balance of a converter. The method is characterized in that, in a 2pi period, a commutation unit switching function and a multi-level unit modulation voltage are not switched in a half-wave period pi, but in a positive half-wave mode, [0, pi] is taken as a reference to expand and shift an angle theta to the left and right, that is, the interval is [-theta, pi+theta], and in a negative half-wave mode, [pi, 2pi] is taken as a reference to shrink and shift an angle theta to the left and right, that is, the interval is [pi+theta, 2pi-theta]. The application adopts an asymmetric phase-shifting modulation method, generates and reverses polarities of two asymmetric partial sine waves through a commutation switch cooperating with a multi-level unit, and obtains a complete multi-level sine wave on an alternating current side. The application can eliminate the limitation of a power factor angle on a phase-shifting angle while realizing wide-range energy balance of the converter, is only affected by a modulation ratio, and compared with symmetric phase-shifting modulation, is beneficial to simplifying commutation control logic when the system is in a wide-range reactive power regulation, and has better engineering application value.

According to the ship stabilization system based on the electromagnetic actuators and the control method, the upper electromagnetic actuator, the lower electromagnetic actuator, the left electromagnetic actuator and the right electromagnetic actuator serve as executing mechanisms and are arranged on the upper portion, the lower portion, the left portion and the right portion of the central axis of a ship respectively. Rapid response in a full-wave period range is achieved, hydraulic oil or water tank liquid is not needed, a pure electrification scheme is adopted, energy consumption is low, occupied space is small, maintenance convenience is high, and an excellent stabilization effect is achieved; according to the method, actual current output values of the upper electromagnetic actuator, the lower electromagnetic actuator, the left electromagnetic actuator and the right electromagnetic actuator can be solved according to attitude signals collected by a ship, inherent parameters of the ship and a ship rolling kinetic equation, and the service life balance of the electromagnetic actuators and the reliable stabilization effect of the system are achieved. And the method is of great significance in improving the safety and comfort of the ship.

The invention discloses a sea-gas interface momentum flux calculation method coupled with sea wave data, and relates to the technical field of marine atmospheric boundary layer flux observation, and the method comprises the steps: carrying out the threshold screening and wild point removal processing of turbulence flux elements needed by the calculation based on a vortex correlation method, and carrying out the coordinate rotation of a three-dimensional wind speed; processing the obtained sea surface fluctuation data to obtain a sea wave spectrum and a wave parameter, and calculating a combined field peak parameter Qp based on the sea wave spectrum; on the basis of the Monin-Obhoff similarity theory, the Monin-Obhoff length, the atmospheric stability and the wind speed U10 of 10 meters on the sea are calculated; based on the data, the friction speed is split into a wind speed item and a wave mixing item for fitting, and finally the momentum flux is obtained. According to the method, key data such as the wave period and the wave direction of the sea waves are coupled into a calculation system, the Hendan peak parameter is introduced to represent the sea wave state, the influence of the sea waves on the momentum flux is comprehensively considered, the calculation precision is improved, and meanwhile the requirement for an observation instrument is lowered.

This invention proposes an automated measurement and verification method for multi-source wave parameters based on neural networks. This method can quantitatively calculate and acquire wave elements, improving the accuracy of wave element measurement. The invention extracts video images frame by frame from nearshore monitoring videos, extracts the features of the buoy based on its motion state on the sea surface, and quantitatively calculates and acquires wave elements, mainly including effective wave period, effective wave height, and wave direction. Simultaneously, it acquires effective wave period, effective wave height, and wave direction information through the wave sensor built into the float, and calculates the wave direction using the float's Beidou module and anchor position. By comparing and verifying in-situ measurements from the float with non-contact measurements from a camera, the methods complement each other, improving the accuracy of wave element measurement.

The present invention relates to the technical field of wave energy power generation buoys, and more specifically to a variable-diameter wave energy power generation buoy and method. The variable-diameter wave energy power generation buoy includes a main barrel cover and a waterproof rubber ring. The bottom of the main barrel cover is provided with an annular chassis, and the waterproof rubber ring encloses the chassis. An installation cavity is provided between the main barrel cover and the chassis. The installation cavity is provided with an expansion mechanism for controlling the expansion and contraction of the waterproof rubber ring and a sensor for collecting wave period data. The present invention replaces the traditional power drive system with an innovatively designed adaptive geometric adjustment mechanism, and dynamically optimizes the buoy diameter parameters in combination with real-time wave monitoring data, thereby forming a wave energy power generation solution that combines the advantages of energy conversion efficiency with practical engineering value.

This invention relates to the field of marine resource assessment technology, and particularly to a method and apparatus for refined assessment of marine wave energy resources. The method includes: acquiring wind field data, water depth and topography data, and boundary wave data of the target sea area to be analyzed; constructing a nested grid wave numerical model; based on the wave numerical model, obtaining wave elements for each moment within at least one complete climatic year, including significant wave height and wave period; based on the wave elements of the inner and outer grids, obtaining the target wave energy flux density corresponding to each inner grid; and based on the target wave energy flux density, obtaining the resource utilization rate, average wave energy flux density, significant wave occurrence frequency, and resource stability of each inner grid in the target sea area, thereby conducting a refined assessment of the wave energy resources of each inner grid in the target sea area. The above technical solution enables a refined assessment of wave energy resources in the target sea area, providing technical support for wave energy development.

The present invention relates to a ballast water tank adjustment method for a backward bent pipe wave energy power generation device. The method comprises the following steps: obtaining historical sea condition data of a working sea area, analyzing and obtaining n possible sea conditions in the sea area; presetting a corresponding ballast scheme for a buoyancy tank for each sea condition; monitoring the sea condition of the sea area at intervals of T after the wave energy power generation device is deployed in the working sea area; matching the monitored sea condition to one of the n preset sea conditions, and adjusting to the corresponding ballast scheme; and changing the state of each small ballast water tank so that the natural period of the adjusted pitching motion is the same as or relatively close to the wave period of the current sea condition. When the wave energy power generation device is acted upon by waves, a violent resonant motion will occur in the pitching direction, so that the pitching motion always maintains a large motion amplitude, and the wave energy power generation device maintains a high level of power generation efficiency.

The invention provides a dynamic Copula extreme wave energy prediction method based on wind speed covariant full-link driving. The dynamic Copula extreme wave energy prediction method is applied to safety evaluation of ocean engineering and a wave energy power generation system. Firstly, B-spline-logarithmic normal edge distribution with wind speed as a covariable is constructed through data preprocessing, and dynamic changes of wave height and wave period parameters along with the wind speed are described; secondly, selecting an optimal Copula function, coupling a Copula parameter with the wind speed through Logistic mapping, and establishing a dynamic dependency structure model; then, dividing a low wind speed interval, a medium wind speed interval and a high wind speed interval, and verifying the fitting precision of the model in each interval and extreme wave energy over-limit probability prediction performance; and finally, integrating edge distribution and dynamic Copula, and constructing a wind speed driven wave element joint probability prediction model. Compared with a traditional static model, the method can accurately capture the regulation and control effect of the wind speed on the wave height-wave period dependency relationship, remarkably improves the prediction accuracy of an extreme wave energy event, and provides reliable support for ocean engineering safety and wave energy power station operation.

The present application relates to the field of water traffic technology, and more particularly to a kind of pure battery power ship's voyage endurance optimization control method.The technical scheme includes: through the real-time acquisition of ship operation and sea state data by multi-sensor fusion, energy change model under the action of wave potential energy and tidal kinetic energy is constructed, energy envelope curve reflecting the cooperative relationship between battery energy and external energy is generated, central control system dynamically adjusts propelling power and rudder angle according to the curve, energy-saving navigation matching with wave period is realized, when detecting continuous wave rising section, intermittent propelling mode is triggered, so that ship body glides with the help of wave potential energy to reduce energy consumption, and the system uses self-learning algorithm to combine historical navigation and real-time sea state data to iteratively optimize control parameters.The present application successfully converts marine environment from resistance source to boost force by integrating environmental perception, energy modeling, intelligent decision-making and cooperative control, and realizes the improvement of pure battery power ship's voyage endurance capability.

The invention discloses a wave reduction type offshore photovoltaic array based on a wave reflection principle and a design method, and belongs to the technical field of renewable energy source development. Establishing a cylindrical buoy array frequency domain hydrodynamic model, calculating wave transmission indexes of different parameter combinations in the target wave period range, and determining candidate parameter combinations according to the wave transmission indexes; establishing a structural finite element model of the reflection unit group based on the candidate parameter combination, and performing strength check; a coupling dynamic model of the array structure and the mooring system is established, motion response and mooring stress are calculated, and judgment is carried out based on a preset criterion; outputting a reflecting unit group buoy array parameter combination meeting the requirement; the problem that the engineering construction and operation and maintenance cost is high due to the fact that an existing offshore floating photovoltaic array depends on external wave prevention / wave dissipation facilities in order to reduce the wave action is solved, and reduction of wave loads in the array and improvement of structural economy are achieved on the basis.

The invention belongs to the technical field of semi-submerged platforms, and discloses a transverse supporting structure and a semi-submerged platform, the transverse supporting structure comprises two transverse supporting pieces which are arranged in the transverse direction of the semi-submerged platform and arranged in the longitudinal direction of the semi-submerged platform at intervals, and the two transverse supporting pieces are located between two stand columns of the bow or the stern of the semi-submerged platform; each transverse supporting piece is used for being connected with two stand columns of the bow portion or the stern portion of the semi-submersible platform. The heaving plate is arranged between the two transverse supporting pieces and connected with the two transverse supporting pieces, and first reinforcing ribs are arranged on the heaving plate. According to the cross arm structure, the heaving, rolling and pitching periods of the semi-submerged platform can be prolonged, resonance, equipment damage and the like caused by the fact that the inherent period of the semi-submerged platform is close to the wave period are avoided, the motion response of the semi-submerged platform is reduced, and the seakeeping performance of the semi-submerged platform is improved.

The present invention discloses a method for filling continuously missing raw data for bottom-mounted acoustic wave observation, which relates to the technical field of bottom-mounted acoustic wave observation in the ocean. The method comprises decomposing the original time series into different characteristic subsequences through a singular spectrum analysis algorithm, extracting trend components and transient change components; filling missing data of the trend component by generating overall trend component data based on existing time series data through a BP neural network fitting; and filling missing data of the transient change component by using a GRU-DTW neural network model based on the complete time series data in the forward and backward directions of the period when the transient component data is missing. After the data filling is completed, the complete raw data is reconstructed for statistical calculation of wave eigenvalues. The present invention efficiently restores the original state of different amounts of continuously missing data, thereby improving the measurement accuracy of wave height and wave period.

To provide a Magnus wave power generating device that can resonate with waves by following large changes in the wave period. [Solution] The device main body 10 is configured as an integrated structure with a float section 12, a Magnus turbine power generation section 14, and a weight section 16 arranged in order from top to bottom. The weight section 16 includes a solid weight 16a and a water tank 16b2. A pump 26 adjusts the amount of water stored in the water tank 16b2 by supplying and discharging water surrounding the device main body 10 to and from the water tank 16b2. A wave height change detection section 36 detects changes in the height of the water surface surrounding the device main body 10 due to waves. From the changes in water surface height detected by the wave height change detection section 36, a control section 15 detects the period or frequency of a fundamental wave whose wave height value is determined to be equal to or greater than a predetermined value and whose occurrence frequency within a predetermined time is determined to be relatively high compared to waves of other periods, and drives the pump 26 to cause the natural period of the device main body 10 to follow the period or frequency of the detected fundamental wave.

The present invention relates to the technical field of tsunami monitoring, and discloses a tsunami monitoring and early warning method, system and storage medium with multi-source interference compensation. The tsunami monitoring and early warning method with multi-source interference compensation comprises: S1, collecting seabed pressure, atmospheric pressure, temperature and humidity, wind speed, wind direction and wave data, wherein the wave data at least includes wave height, wave period and wave direction; S2, transmitting the collected data to a shore-based tsunami data monitoring and early warning platform via a satellite communication system; S3, filling data with different sampling intervals and filtering abnormal data; S4, using a weighted fusion algorithm to dynamically allocate weights of seabed pressure, atmospheric pressure and wave data to generate comprehensive monitoring data, etc. The method effectively improves the accuracy of tsunami monitoring, enables it to work effectively in different sea areas and different environmental conditions, and improves the adaptability of the system.

The application discloses a pressure type wave measuring instrument metering calibration device and method, relates to the technical field of hydrological measuring instrument calibration, and comprises the following steps: a wave simulation device drives a lifting platform to make periodic lifting movement according to a set wave height and a wave period, wave height measurement values of the pressure type wave measuring instrument and water depth measurement values of an echo sounder are collected; the water depth measurement values are converted into water depth standard values according to a correction value fitting function of the echo sounder; wave height standard values are calculated from the water depth standard values of each period, and an arithmetic average value is obtained as a standard wave height; the wave height measurement values are subjected to arithmetic averaging, and the difference between the arithmetic average value and the standard wave height is a wave height indication error. The lifting platform is driven to move again, a time interval corresponding to adjacent wave crests or troughs collected by the pressure type wave measuring instrument is taken as a wave period measurement value, a time interval corresponding to adjacent movement turning points of the lifting platform is taken as a wave period standard value, arithmetic average values are respectively obtained, and a difference value is taken as a wave period indication error.

The present application relates to the technical field of research on the interaction between ocean engineering structure and wave, in particular to a method for predicting wave slamming pressure distribution of shallow-submerged circular-arc bottom section ocean engineering component, comprising: obtaining wave slamming pressure data of the circular-arc bottom section ocean engineering component and extracting pressure envelope, establishing spatial coordinates along the direction of the structure bottom plate, adopting double Gaussian function and linear function superposition to construct component pressure distribution model, determining model parameters through nonlinear fitting, and predicting wave slamming pressure spatial distribution according to the fitting result. μ 1, μ 2The present application can effectively reflect two main pressure peak values existing in the actual wave slamming process through the superposition form of double Gaussian function, can clearly locate the potential slamming hotspot area of the structure bottom, and can be applicable to different wave periods and structure clearance conditions through parameter calibration, and can provide more reliable wave load prediction basis for ocean structure design.

The invention relates to the technical field of ocean engineering and renewable energy sources, and discloses a back wave water inlet type oscillating water column structure based on long wave reduction and energy extraction, which comprises a wave absorption main body, a support, a pile foundation and a turbine generator set with an air turbine, and further comprises an arc-shaped moving door, the two arc-shaped moving doors are connected into an interlayer of the wave absorbing body in a sliding mode, and a back water inlet matched with the two arc-shaped moving doors is formed in one side of the wave absorbing body. Water level modulation caused by the phase difference between the liquid level fluctuation of the cavity and the liquid level fluctuation outside the cavity is formed to reduce waves. According to the technical scheme, wave response optimization under different wave periods can be achieved by synchronously adjusting the size of the water inlet, the energy extraction efficiency is improved, the wave transmissivity is reduced, and the device is suitable for various layout forms of offshore and open sea areas and has the good wave adaptability and the integration characteristic of wave reduction and energy extraction.

The application discloses a wave field reconstruction method, which comprises the following steps: firstly, obtaining a standardized space-time data set, the data set containing effective wave height, average wave period and wave direction; then, constructing a low-rank joint wave feature subspace according to the data set; after obtaining sparse observation data and constructing an observation matrix and an observation vector based on the observation data, performing sparse regression on each variable of the data set based on the feature subspace, the matrix and the vector, obtaining a preliminary spatial distribution result of each variable, then performing Gaussian weighted fusion smoothing according to the distribution result, obtaining a preliminary reconstruction result, then determining the dynamic weight of each variable based on the reconstruction result, and optimizing the preliminary reconstruction result according to the weight, obtaining a target reconstruction result. The embodiment of the application can effectively reconstruct a high-resolution wave field under limited observation conditions, improve the reconstruction accuracy, simplify the calculation process, adapt to complex data scenarios, and quickly output high-quality results.

The application discloses a kind of sea-air interface momentum flux calculation methods of coupling sea wave data, it is related to marine atmospheric boundary layer flux observation technical field, including the threshold value screening of required turbulent flux elements based on the calculation of eddy correlation method, outlier processing is handled, and three-dimensional wind speed is rotated to coordinate;The sea surface undulation data obtained are processed to obtain sea wave spectrum and wave parameter, and based on sea wave spectrum calculation Q p ; Based on the theory of Monin-Obukhov similarity, Monin-Obukhov length, atmospheric stability and 10-meter sea wind U 10 ; Based on the above data, the friction velocity is divided into wind speed term and wave mixing term for fitting, and finally the momentum flux is obtained. The application couples the wave period, wave direction and other key data of sea wave into the calculation system, introduces the Q p peak parameter to represent the sea wave state, fully considers the influence of sea wave on momentum flux, improves the calculation accuracy, and reduces the requirement for observation instrument.

The application discloses a wave energy resource quantity accounting method and device, medium and product, relates to the field of wave energy development, and comprises the following steps: constructing a wave numerical model based on measured wave data and environmental data; performing numerical simulation analysis by using the wave numerical model; calculating the wave energy flow density of each grid node in the accounting sea area according to the effective wave height and the average wave period of each grid node in the accounting sea area; determining the boundary grid unit where the boundary is located and a group of boundary grid nodes around the boundary according to the boundary of the accounting sea area; determining the wave energy flow density actually transmitted into the accounting sea area of the boundary grid nodes according to the wave energy flow density at the boundary grid nodes and the included angle between the wave propagation direction and the normal vector of the midpoint of the corresponding grid boundary line segment pointing to the inside of the accounting sea area; determining the total wave energy power of the accounting sea area according to the wave energy flow density, and accounting for the wave energy resource quantity. The application can improve the accuracy and scientificity of the wave energy resource quantity accounting of the sea area.

The present invention discloses a method for estimating wave direction and wave period from X-band radar images. The method comprises the following steps: dividing each X-band radar image into multiple sub-images, extracting the texture features of the sub-images using a two-dimensional empirical curve transform (2D-ECT), and decomposing the sub-images into multiple two-dimensional curve components; selecting the curvelet component with the highest correlation with the sub-image and estimating the wave direction using an empirical ridge transform (ERT); simultaneously, eliminating the 180° ambiguity of the wave direction using a cross-correlation coefficient; calculating the periodogram power spectrum of the sub-images after extracting the texture features to estimate the wave period; then, obtaining the frequency corresponding to the maximum power spectral density in the azimuth pixel of the sub-image, and estimating the wave period by the reciprocal of the frequency. This estimation method can effectively obtain the texture features of ocean waves and provides an effective means and method for obtaining high-precision ocean wave direction and wave period.

The application provides a kind of weight calculation method and device of armor block, belong to coastal engineering technical field, this method includes: based on the wave height of target sea area, wave period, slope gradient and spectral peak rise factor, the stability coefficient of twisted king block, the stability coefficient of double block and the stability coefficient of fill block stone are calculated;Based on the stability coefficient of twisted king block, the stability coefficient of double block and the stability coefficient of fill block stone calculated, the required armor block structure is determined;Based on the required armor block structure, and the wave height of target sea area, wave period, slope gradient and spectral peak rise factor, the weight of the required armor block is determined.The application fully considers the wave height of target sea area, wave period, slope gradient and spectral peak rise factor, and then selects the most stable armor block structure, and determines the weight corresponding to the armor block structure, realizes the purpose of enhancing the stability of armor block.

The invention discloses a seabed erosion and deposition risk assessment method and device. The method comprises the following steps: acquiring underwater topographic data, hydrological observation data and seabed sediment data of an engineering sea area; according to the hydrological observation data and the underwater topographic data, calculating to obtain a hydrodynamic condition by utilizing a tidal current numerical model and a wave numerical model; wherein the hydrodynamic conditions comprise tidal flow velocity, tidal cycle, wave height and wave cycle; inputting seabed sediment data into the trained sediment starting model, and outputting to obtain sediment starting conditions; wherein the sediment starting condition comprises a starting flow rate and a starting wave height; and carrying out risk grade division on the engineering sea area according to the underwater topographic data, the hydrodynamic condition and the sediment starting condition to obtain a seabed erosion and deposition risk assessment result. According to the seabed erosion and deposition risk assessment method and device provided by the invention, the accuracy of seabed erosion and deposition risk assessment is improved, the risk grade index is clearly quantified, and engineering practice can be directly guided.

The invention relates to the technical field of explosion mechanics, fluid dynamics, multiphase flow, ocean engineering and experimental mechanics, in particular to a coupling test method and system for a wave load and an explosion physical field under a high gravity field. According to the time difference between wave movement and detonation, the wave stabilization time and the wave period, the phase where explosion is located is adjusted; wave parameter data and explosion load data in the coupling test are collected. The device can be used for expanding and researching other high-speed fluid dynamics problems, experimental simulation and observation of the full-physical process of underwater explosion under the combined action of a super-gravity field and a wave load are achieved, and an underwater explosion scene in a sea wave environment can be simulated more truly.

This invention proposes a radar wave parameter inversion method and a computer-readable medium. The invention calculates the Doppler frequency shift sequence using an energy equalization moment estimation method, and then calculates the space-time radial velocity sequence using the Doppler frequency shift sequence. A quasi-binary variational mode decomposition method is used to decompose the sequence, obtaining multiple two-dimensional intrinsic mode velocity sequences. The space-time radial velocity sequence is reconstructed using each two-dimensional intrinsic mode velocity sequence, resulting in a reconstructed space-time radial velocity sequence. The one-dimensional average velocity spectrum of each radar antenna is further calculated using the reconstructed space-time radial velocity sequence. The radial wave height spectrum of each radar antenna is calculated by combining the one-dimensional average velocity spectrum with the modulation transfer function. The radial wave height spectra of multiple radar antennas are accumulated and synthesized to obtain an undirected wave height spectrum. The significant wave height and average wave period are calculated using the zero-order and first-order moments of the undirected wave height spectrum. This invention improves the accuracy of wave parameter inversion.