61 results about "Wave response" patented technology

The invention belongs to the technical field of grouting compactness detection, and particularly discloses and provides an intelligent detection system and method for the grouting compactness of a bridge prestressed pipeline, and the system comprises a signal acquisition and analysis module, a defect boundary calibration module, a defect recognition and analysis module and a compactness judgment and processing module. The method specifically comprises the steps that acoustic emission and fluctuation response signals are collected in real time through a sensor array arranged on the outer wall of a pipeline, and three-dimensional slurry density distribution is recognized; constructing an inner wall three-dimensional model in combination with a pipeline design drawing, dynamically setting a slurry density threshold value according to a grouting material formula and an environment temperature, and further calibrating a slurry defect boundary; extracting multi-dimensional features such as spatial positions, effective volumes, geometric regularity and types of the defects on the basis of boundaries, and calculating grouting compactness; and finally, according to whether the compactness reaches the standard or not, a grout supplementing early warning instruction or a detection report is automatically generated. According to the method, the reliability of defect identification and compactness calculation under complex working conditions is remarkably improved.

A wind and wave response modeling and ocean current inversion method based on machine learning relates to the technical field of artificial intelligence and ocean information services, and comprises the following steps: (1) data acquisition; (2) data processing; (3) constructing a data set; (4) establishing a sea surface flow velocity inversion model by using a particle swarm optimization machine learning algorithm; and (5) obtaining an optimal sea surface flow velocity inversion model through testing and case analysis. Aiming at ocean and Doppler frequency shift characteristics of the sea surface, the invention provides a particle swarm optimization XGBoost model wind wave Doppler contribution prediction method for the first time, and the wind wave Doppler contribution estimation precision and speed can be effectively improved.

The invention relates to the field of metal waste detection, in particular to a metal waste detection and identification method and system. The method comprises the following steps: applying high-frequency ultrasonic waves to a waste area to be detected, and collecting high-frequency ultrasonic wave response signals; performing metal vibration mode parameter mining on the high-frequency ultrasonic response signal to obtain metal vibration mode characteristics in the region; performing ultrasonic excitation path identification on the high-frequency ultrasonic response signal, performing ultrasonic spatial propagation modeling, and constructing a spatial ultrasonic trajectory propagation model; carrying out sound beam positioning detection on the high-frequency ultrasonic response signal based on the metal vibration modal characteristics in the region, and carrying out propagation error compensation calculation to obtain a response beam propagation error compensation value; and performing ultrasonic triangulation positioning measurement on the space ultrasonic trajectory propagation model to obtain accurate three-dimensional coordinates of the metal wastes. According to the invention, efficient and accurate detection, identification and positioning of the metal wastes are realized.

The invention relates to the technical field of ground wire damage detection, and provides a ground wire damage detection method and system based on magnetostrictive guided waves, and the method comprises the following steps: generating a white noise signal through a magnetostrictive transducer to excite a ground wire, and collecting a guided wave response signal of the guided waves; identifying the guided wave response signal through a spectrum analysis model to obtain the inherent frequency characteristic of the ground wire, and obtaining the optimal excitation frequency according to the inherent frequency characteristic and the amplitude frequency mapping relation; adjusting the excitation frequency of the white noise signal according to the optimal excitation frequency to obtain an optimized guided wave signal; identifying the optimized guided wave signal through a defect detection and tension monitoring model to obtain a defect tension detection result; and based on the defect tension detection result, judging the damage level of the ground wire, and generating a detection report. According to the invention, defect detection and tension abnormity monitoring are carried out at the same time, the reliability of ground wire detection is improved, and an effective monitoring means is provided for safe operation of the ground wire.

The invention discloses a bimodal optical coherence elastography device and method, and the device comprises an excitation unit which is used for generating a sound field; the imaging unit is an optical coherence tomography system and is used for detecting vibration of the sample to be detected, namely strain response and elastic wave response; and the coupling unit is provided with a sound reflecting surface with a middle through hole and is used for reflecting the sound field generated by the excitation unit, so that the detection light beam emitted by the imaging unit and the sound field emitted by the excitation unit are coupled and irradiated on the same side of the to-be-detected sample. According to the invention, the multi-beam optical coherence tomography system is utilized to emit two or more detection beams to carry out bimodal elastic imaging, high-resolution strain information and quantitative elastic information of the sample to be detected can be obtained at the same time, and the problem that strain imaging and elastic wave imaging cannot be carried out at the same time in the prior art is solved.

The invention discloses a distance measurement control method for track mobile equipment based on millimeter wave secondary radar. The distance measurement control method comprises the following five steps: S1, a vehicle-mounted interrogator generates a coding interrogation signal of a millimeter wave frequency band and transmits the coding interrogation signal to a transponder deployed along a track; s2, after a transponder receives the inquiry signal conforming to the predefined coding format, a millimeter wave response signal carrying a unique identity label is generated; s3, the vehicle-mounted receiver extracts an identity label and carrier phase information in the millimeter wave response signal to form an accurate distance measurement value resisting multipath interference; s4, the control unit fuses the accurate distance measurement value and the data of the vehicle-mounted sensor to generate real-time pose information with millimeter-level precision; and S5, the execution mechanism adjusts the operation state of the mobile equipment according to the dynamic control instruction, and cooperative operation or accurate parking control of the track mobile equipment is achieved. According to the millimeter wave secondary radar-based distance measurement control method for the track mobile equipment, the problems of high-precision continuous distance measurement and anti-interference control of the track mobile equipment can be solved.

The invention provides a floating type wind energy and wave energy combined power generation device, and belongs to the technical field of new energy application. The direct-driven generator is directly driven through vertical movement of the buoy shell, so that direct conversion of mechanical energy is realized, and intermediate energy loss is reduced; the combination of the buoy shell and the elastic cable has high response sensitivity and is suitable for different wave frequencies and amplitudes; the wave response is optimized by adjusting the buoyancy center of the cavity of the buoy; and the elastic mooring rope can absorb dynamic impact of waves and transmit energy at the same time, so that the device adapts to various wave frequencies and amplitudes, and the resonance phenomenon is avoided. The device comprises a semi-submersible type floating platform and a floating type wind driven generator, and further comprises an oscillating floater type wave energy power generation assembly. A floating type wind driven generator is fixedly arranged in the middle of the semi-submersible type floating platform, and three sets of oscillation floater type wave energy power generation assemblies are arranged on the periphery of the bottom of the floating type wind driven generator at equal angles.

In order to solve the problems that in an existing hemispherical harmonic oscillator quality leveling technology, the inherent rigid axis positioning efficiency is low, and manual intervention is relied on, the invention provides a method for rapidly positioning the azimuth of an inherent rigid axis of a hemispherical harmonic oscillator based on pulse broadband excitation and quasi standing wave response and a corresponding leveling device. Through an analytical expression of a main standing wave and an auxiliary wave in a second-order four-amplitude resonance working mode, a double-excitation vibration stopping system (comprising two knocking hammers and a vibration stopping hammer with the azimuth difference of 22.5 degrees odd times) is ingeniously designed, and the azimuth of an inherent rigid shaft is quickly positioned by combining orthogonal detection signals. According to the method, the limitation on the excitation direction and the detection direction is relaxed, and through the design of the vibration stopping hammer, the positioning efficiency of the inherent rigid shaft is improved, and the extraction precision of residual vibration on the characteristic parameters can be avoided. The formed hemispherical resonator leveling device provides reliable technical support for batch production of high-precision hemispherical resonator gyroscopes.

A compact cylinder superstructure plate with vibration control comprises a homogeneous thin plate structure and a plurality of local resonance cylinders vertically arranged on the homogeneous thin plate structure, and the local resonance cylinders are evenly distributed on a circle with the center of the homogeneous thin plate structure as the circle center and the radius being R, outward transmission of elastic waves is restrained through the coupling effect between the local resonance cylinders, and vibration control of the multi-pole mode is achieved. The elastic wave response of the homogeneous thin plate is controlled in the annular structure through multi-pole coupling resonance between the local resonance cylinders, a symmetric protection mechanism is applied, high-precision low-transmission vibration control is achieved, the structure is simple and compact, and machining is convenient.

The invention relates to the technical field of artificial electromagnetic materials, and discloses an electric control-based phase coding metasurface structure, which comprises a top unit structure layer, a first dielectric substrate layer, a middle ground layer, a second dielectric substrate layer and a bottom bias layer which are sequentially arranged from top to bottom, and is characterized in that the top unit structure layer comprises two C-shaped metal patches; openings of the two metal patches are arranged back to back, a PIN diode is connected between the two metal patches, each metal patch is connected with the bottom bias layer through a metal via hole, and the bottom bias layer is externally connected with a voltage source. The electromagnetic response of the metasurface unit can be quickly and conveniently changed by adopting an electric control mode, the problem that once a traditional metasurface is designed and manufactured, the electromagnetic wave response and the electromagnetic function of the traditional metasurface are solidified, and the requirement of a complex electromagnetic system cannot be met is solved, a new thought is provided for intelligent metasurface design, and the intelligent metasurface can be widely applied to the field of intelligent metasurface design. And the requirement of intelligent components on high integration level in practice is met.

The invention discloses a forward modeling simulation method for a multidirectional sea wave induction electromagnetic field. The method comprises the following steps: expressing energy distribution of different propagation directions and frequency components through a spectral function; setting external environment input required by forward modeling according to the seawater depth and geomagnetic field parameters of the research area; after parameter setting is completed, electromagnetic response calculation is carried out on each frequency-direction sampling point; component response is called on a preset frequency set and a preset direction set, linear superposition is carried out by adopting a frequency direction correspondence method, and a total electromagnetic field is obtained; and outputting time sequences and frequency spectrum results of the wind wave induction electromagnetic field, the surge induction electromagnetic field and the mixed wave induction electromagnetic field, thereby providing a reference basis for noise analysis, background interference suppression and target signal identification in electromagnetic detection. According to the method, the limitation of a traditional model is broken through, the electromagnetic interference characteristics under the complex sea condition are represented more truly, and reliable support is provided for noise suppression and target recognition in electromagnetic detection.

The application discloses a dual-mode optical coherence elastography device and method. The device comprises an excitation unit for generating an acoustic field; an imaging unit which is an optical coherence tomography system and is used for detecting the vibration of a sample, i.e. a strain response and an elastic wave response; and a coupling unit which has an acoustic reflection surface with a middle through hole and is used for reflecting the acoustic field generated by the excitation unit so that the coupling between a probe light beam emitted by the imaging unit and the acoustic field emitted by the excitation unit is on the same side of the sample. The application uses a multi-beam optical coherence tomography system to emit two or more probe light beams for dual-mode elastography, and can simultaneously obtain high-resolution strain information and quantitative elastic information of the sample, thereby solving the problem that the prior art cannot simultaneously perform strain imaging and elastic wave imaging.

The application discloses a lightning stroke event online guided wave monitoring method and device for a composite material structure, and comprises the following steps: arranging a plurality of piezoelectric sheets in a composite material structure to be monitored to form a sparse piezoelectric array; when the outer surface of the composite material structure to be monitored is struck by lightning, lightning impact force guided wave response mechanical quantities are excited, and the generated mechanical quantities are conducted to the piezoelectric sheets; the lightning impact force guided wave response mechanical quantities are converted into lightning impact force guided wave response signals; the lightning impact force guided wave response signals are transmitted to a data acquisition module through an online sensing mode; the lightning impact force guided wave response signals are subjected to direct current component removal and filtering pretreatment; and through a lightning impact force guided wave response signal imaging monitoring mode of the sparse piezoelectric array, lightning attachment point impact force passive imaging results are constructed. The lightning stroke event online guided wave monitoring method and device can not only improve the quality of lightning piezoelectric guided wave response signals, but also can perform high-precision positioning and imaging on lightning attachment points.

A defect detection method is provided for a pressurized pipe having at least one defect. According to the method, an acoustic source generates a probing wave of a frequency range from 10 kHz to 100 kHz, where the probing wave is scattered by the at least one defect to create a reflected wave; an acoustic receiver measures a wave response to obtain a measured response, where the measured response is attributed essentially to a superposition of the probing wave and the reflected wave; and a computer device processes the measured response to locate the at least one defect.

The present application relates to the technical field of pipeline nondestructive testing, and discloses a pipeline defect diagnosis method based on guided wave technology. The method obtains original guided wave response signals under multiple excitation frequencies through a guided wave sensor array arranged on the outer wall of the pipeline, performs multi-stage analysis and separation on the signals, extracts a set of independent wave mode components directly related to the defects, including longitudinal wave components, torsional wave components and surface wave components. According to the propagation time delay and energy distribution of each component, a multi-dimensional defect feature tensor is constructed, input into a trained pipeline defect discrimination network for feature mapping and abstraction, and a preliminary diagnosis report of the defect category and geometric profile is output. Combined with the pipeline service environment parameters, the physical field coupling correction is carried out to generate the final diagnosis result. The method solves the problems of serious mode aliasing and poor environmental adaptability in the traditional guided wave technology, and realizes accurate identification and positioning of defects.

The application discloses an epitaxial method of a very long wave InAs / InAsSb superlattice infrared detector and relates to the technical field of semiconductor devices. The method comprises the following steps: first, preheating a GaSb substrate; then, growing an InAs layer by applying In beam and As beam; then, growing a transition layer by synchronously increasing As and Sb beams at equal increments; then, growing an InAsSb layer by stabilizing As and Sb beams; then, synchronously adjusting As and Sb beams at equal decrements to restore the initial As beam and make the Sb beam zero; and then, repeating the growth process of each layer to form a superlattice structure, and obtaining a target epitaxial wafer through post-processing. The application realizes smooth transition of the InAs layer and the InAsSb layer by precisely controlling the beam and the V / III ratio, obtains a high-quality superlattice structure, guarantees the very long wave response characteristics, and significantly improves the response rate, the detection rate and the working stability of the detector.

This invention belongs to the field of wave height prediction technology and discloses a wave prediction method that considers the evolution characteristics of the marine environment. The method includes the following steps: (1) collecting historical data on significant wave height, average period, and wind speed of waves in the target sea area and processing the data; (2) performing seasonal trend decomposition on the significant wave height sequence to obtain trend terms, seasonal terms, and residual terms; (3) calculating wind and wave response indices based on wind speed changes, wave average period changes, and significant wave height changes; (4) generating wind and wave response state weights and using these weights to adjust the influence of different historical time steps, different wave height components, and meteorological and oceanographic elements in the prediction process; (5) correcting the prediction contributions of the trend terms, seasonal terms, and residual terms with weights, and reconstructing the predicted future significant wave height. This invention can improve the stability of significant wave height prediction during periods of significant wind speed changes or sea state transitions.

The invention discloses a seismic reflected wave response high-fidelity forward modeling calculation method suitable for a deep saline water layer, and the method comprises the steps: S10, building a saline water layer pore fluid rock physical model according to the development characteristics of the saline water layer, and calculating the viscosity, density, longitudinal wave velocity and bulk modulus of the saline water layer pore fluid; s20, according to the development characteristics of the salt water layer, establishing a multi-scale rock physical model of the salt water layer to obtain an equivalent stiffness matrix of the salt water layer; s30, establishing a geology-earthquake forward modeling model; s40, calculating a salt water layer reflection and transmission coefficient matrix by using a propagation matrix method; and S50, calculating the reflected wave seismic response of the salt water layer. According to the method, seismic rock physical modeling and seismic forward modeling technologies are combined, the viscoelastic characteristic and the thickness of the salt water layer are considered, the actual geological condition is better met, the cost is low, the precision is high, the deep salt water layer seismic reflected wave response can be rapidly and accurately calculated, and theoretical support is provided for evaluation and optimization of the carbon storage space.

The invention relates to the technical field of LCD (liquid crystal display) detection, and discloses a sensor-based LCD defect detection system, which comprises a frequency sweep synchronous excitation module for generating a frequency sweep excitation signal and an orthogonal reference signal; a pixel addressing driving module; the integrated multi-mode sensing assembly is used for synchronously detecting a pixel transient electric field and acoustic elastic wave response in a non-contact manner; the multi-channel synchronous data acquisition and phase-locked analysis unit is used for performing digital phase-locked demodulation on the response signal; and a master control and data analysis system. And the main control system controls frequency scanning, constructs a multi-physical field dynamic response spectrum for each pixel according to demodulation data, and finally realizes defect detection and classification by comparing and analyzing the response spectrum and a reference spectrum. According to the method, traditional single-point measurement is replaced by dynamic spectral line characterization, and multi-physical field information is fused, so that the detection sensitivity of weak defects is remarkably improved, and automatic and accurate diagnosis of defect types is realized.

The present invention discloses a pre-drilling electromagnetic wave antenna system and a measurement method, wherein the system includes a front short section, a screw and a remote detection instrument, wherein the front end of the front short section is connected to the drill bit, and the rear end of the front short section is connected to the remote detection instrument via a screw. The front short section includes an inclined transmitting antenna and a group of axial receiving antennas, and the remote detection instrument includes an inclined transmitting antenna, a group of axial receiving antennas and multiple groups of three-axis orthogonal receiving antennas. The present invention can realize the function of pre-drilling at a large distance in front of the drill bit, and multiple groups of receiving antennas with different source distances can ensure that electromagnetic wave responses within different ranges of the surrounding space can be received, so that information on undrilled strata at different depths in front of the drill bit can be obtained through inversion. The present invention helps to solve difficult problems such as precise landing in complex reservoir drilling, elimination of pilot wells, improvement of drilling encounter rate, drilling risk control, reservoir optimization, and comprehensive and detailed evaluation of oil reservoirs.

The application relates to a liquid metal phased array antenna and belongs to the technical field of antennas, which solves the problem of limited electromagnetic wave response phase adjustment of the phased array antenna in the prior art. The liquid metal phased array antenna is characterized in that it comprises: a plurality of antenna units distributed in an array; the antenna unit comprises: a flexible dielectric layer and liquid metal; the flexible dielectric layer is provided with a linear microchannel, and the liquid metal is filled in the linear microchannel. The application adjusts the length of the internal liquid metal by supplying pressure in the linear microchannel cavity, thereby realizing the morphological reconstruction of the antenna unit. The reconstruction state is continuous, and the phase control coverage range is large.

The present invention relates to the field of semiconductor electronic device technology, and provides a photodiode and a method for preparing the same. The photodiode comprises at least: a substrate having a first surface and a second surface relative to each other; a device layer disposed between the first surface and the second surface, sequentially comprising an N-type doped region adjacent to the first surface, an undoped intrinsic layer (I layer), and a P-type doped region adjacent to the second surface; a cutoff ring disposed around the periphery of the upper end of the substrate and spaced apart from the P-type doped region, with the upper surface of the cutoff ring and the second surface located in the same plane; a photosensitive region located above the upper surface of the device layer and at least above the P-type doped region; an oxide ring disposed in the peripheral region of the photosensitive region, with an oxide layer disposed between the ring and the second surface; wherein the P-type doped region comprises a deep doped region and a shallow doped region disposed adjacent to each other, and the deep doped region and the shallow doped region are located in the photosensitive region. A photodiode with such a structure can improve the short-wave response capability of the photodiode.

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 high-performance Helmholtz nanoresonator responding to ultrasonic waves and a preparation method thereof. The method comprises the following steps: preparing a CeO2 mesoporous hollow skeleton by using a hydrothermal synthesis method in a one-pot method, covering a SiO2 shell layer on the surface of the CeO2 mesoporous hollow skeleton by using an in-situ polymerization method, and controlling the thickness of the SiO2 shell layer by adjusting reaction conditions to prepare the CeO2@SiO2 Helmholtz nanoresonator. The preparation process is simple, the prepared nanoresonator is not only uniform in structure, but also has high ultrasonic wave response performance, and has a wide application prospect.

The present application relates to the technical field of rock physics and reservoir geophysics, and particularly relates to a rock physics surface modeling method, system, storage medium and electronic device, the method comprising: assigning the elastic modulus of the carbonate rock along the logging axial direction to the rock matrix, adding the preset pores and / or preset fractures of the carbonate rock along the logging axial direction to the rock matrix to obtain a rock dry skeleton; adding the parameter data of the fluid to the rock dry skeleton, calculating the wave response characteristics of the carbonate rock containing the fluid, establishing a physical point model of the carbonate rock containing the fluid, unifying the physical point models corresponding to the multiple logging respectively to obtain a physical surface model of the carbonate rock containing the fluid, combining the advantages of the point and line modeling methods, realizing high-precision and unified rock physics surface modeling, and being suitable for surface modeling of complex carbonate rock reservoirs and the like.

The invention provides a medium-voltage cable distributed monitoring method based on electromagnetic traveling wave sensing, and belongs to the technical field of cable monitoring, and the method comprises the steps: employing electromagnetic sensing nodes disposed in a multi-voltage power supply network to synchronously collect an initial traveling wave response signal, extracting the traveling wave characteristic index, and calculating the traveling wave characteristic index of the initial traveling wave response signal; identifying the traveling wave characteristic indexes according to the difference characteristic template, and determining a first traveling wave boundary used for representing and distinguishing the low-voltage cable area and the medium-voltage cable area and a second traveling wave boundary used for representing and distinguishing the medium-voltage cable area and the high-voltage cable area; and marking a medium-voltage cable area by using the first traveling wave boundary and the second traveling wave boundary, after marking a medium-voltage electromagnetic sensing node corresponding to the medium-voltage cable area, receiving a real-time traveling wave response signal transmitted by the medium-voltage electromagnetic sensing node, and carrying out single-phase earth fault monitoring on the medium-voltage cable area according to the real-time traveling wave response signal. And outputting a monitoring early warning signal.

The application provides a kind of based on super surface dual-frequency non-diffractive multi-beam antenna and design method, it is related to electromagnetic field, antenna includes unit structure, unit structure includes first layer metal patch, second layer metal patch and third layer metal patch;First layer metal patch is sensitive to high-frequency electromagnetic wave response, and third layer metal patch is sensitive to low-frequency electromagnetic wave response.Through the parameter of first and second layer patch is respectively conditioned, the array reflection phase of array unit at two operating frequencies is realized independent control, and then the non-diffractive beam array reflection phase distribution is realized according to actual needs, realizes dual-frequency non-diffractive focusing effect, according to generalized Snell law, further realizes for non-diffractive beam arbitrary angle deflection, finally the superposition of multiple single-beam array reflection phase distribution can be realized multi-beam non-diffractive.The application has the advantages of small array, wide focusing range, flexible beam direction control and simple manufacturing.

The present invention provides a fatigue analysis method, electronic device, and medium for an offshore floating wind turbine foundation. The present invention establishes a multi-load fatigue analysis method based on stress superposition, linearly superimposing the time-series tower bottom load response, time-series mooring response, and time-series wave response of the same working condition to obtain a stress time history curve for the corresponding working condition; performing rain flow counting on the stress time history curve and combining it with the S-N curve to obtain the total fatigue damage of the working condition; and weighting the total fatigue damage of all working conditions within the target service time of the wind turbine foundation to obtain the fatigue damage of all working conditions. The present invention fully considers the influence of each load on an overall scale, matches different loads of the same working condition, is applicable to a variety of complex wind and wave coupling situations, superimposes the stress time series of different loads and performs fatigue processing to obtain the fatigue damage of the wind turbine foundation under all working conditions under multiple load components, thereby improving the accuracy of fatigue damage analysis.

The invention relates to the field of nondestructive testing of composite materials, in particular to a composite material damage thickness measuring method based on terahertz time domain compensation, which comprises the following steps: S1, preparing a plurality of composite material laminated plate samples with variable damage thickness and depth, and obtaining terahertz time domain signals of different samples; s2, establishing a multilayer composite material structure theoretical transmission model, and defining a reflected terahertz response signal; s3, based on terahertz wave response characteristics and a transmission model, proposing a damage thickness measurement thought based on flight time difference of a damage area and a non-damage area; s4, estimating damage flight time information of the composite material by using terahertz signal reference transformation, alignment and cross-correlation methods; and S5, establishing a terahertz signal flight time compensation model, and realizing accurate estimation of the damage thickness. According to the method, the flight time of the damage is simplified into the transmission time difference of the terahertz waves passing through the damage area and the non-damage area, and the influence of human intervention and complex interference can be theoretically avoided.

The invention discloses an FPV system design method based on forward wave performance, and belongs to the technical field of floating type photovoltaic systems, and the method comprises the following steps: S1, collecting and processing key design elements of an FPV system, S2, calculating the boundary and step length of a design variable by using a dimensionless parameter analysis normal form, S3, calculating the related data of working conditions and forward wave performance, and S4, calculating the design parameters of the FPV system. The method comprises the steps of S1, calculating a working condition name table and a wave-following property table according to the working condition name table and the wave-following property table, S2, calculating a local wave-following property map and an overall wave-following property map of a target array of the FPV system according to the content of the working condition name table and the wave-following property table, S5, obtaining a design interval of FPV system parameters through a map analysis method, S6, limiting the design interval in combination with specific conditions to obtain specific values of design elements of the FPV system, and S5, calculating the wave-following property of the target array of the FPV system according to the specific values of the design elements of the FPV system. By the adoption of the method, the response characteristics of the FPV system when the FPV system deals with the wave load are reflected along the wave, and meanwhile optimization design of key parameters of the FPV system is reversely guided.