68 results about "Head wave" patented technology

The invention relates to an ultrasonic flow metering device and a metering method thereof, and relates to the field of ultrasonic measuring devices. According to the metering device, through a cross-correlation operation circuit, a microcontroller, a double-threshold comparator, a peak detector, a gain adjustment circuit and a head wave threshold adjustment circuit, self-adaptive processing and adjustment of echo signals and head wave thresholds are achieved, and the accuracy and reliability of flow metering are improved. The metering method adopts an adaptive adjustment strategy of echo signal amplifier gain based on an output signal of an echo signal peak detection circuit, and a head wave threshold adaptive adjustment strategy based on a correlation operation value of echo signal sampling data and pre-stored reference wave data. According to the scheme, the stability of the echo signal and the rationality of the head wave threshold value are guaranteed, the method has adaptability to echo contour feature changes caused by transducer aging or contamination, and then the reliability of the flow metering process is guaranteed.

The invention discloses a conversion efficiency calculation method and system of a wave energy power generation device, and relates to the field of field test and analysis of the wave energy power generation device, and the method comprises the steps: obtaining a matching data set of a test sea area in a set time period; the matching data set comprises multiple pieces of wave observation data and the average electric power of the wave energy power generation device in the time interval of each piece of wave observation data; performing quality control on the wave observation data in the matched data set by adopting a data quality control algorithm; the angle of the head wave direction of the wave energy power generation device in the set time period is obtained, and a target data set is constructed according to the angle of the head wave direction of the wave energy power generation device in the set time period and the matched data set after quality control; and calculating the conversion efficiency of the wave energy power generation device in the time interval of each piece of wave observation data according to the target data set. The accuracy of the calculation result of the conversion efficiency of the wave power generation device during the whole test period is improved.

The embodiment of the invention provides a head wave threshold processing method, an ultrasonic flow device and a chip, and relates to the technical field of flow measurement, in the method, a head wave signal in a forward measurement process is identified based on a forward initial threshold, and a head wave signal in a reverse measurement process is identified based on a reverse initial threshold. A plurality of forward peak values are obtained in the case of identifying the head wave signal in the forward measurement process, and a plurality of reverse peak values are obtained in the case of identifying the head wave signal in the reverse measurement process. A forward peak difference between adjacent ones of the plurality of forward peaks is determined, and a reverse peak difference between adjacent ones of the plurality of reverse peaks is determined. And determining a target peak difference based on the peak difference with the consistent corresponding signal sequence number in the forward peak difference and the reverse peak difference. And determining a forward head wave threshold value and a reverse head wave threshold value based on the target peak value difference. Therefore, the labor cost can be reduced, and the determination efficiency of the head wave threshold can be improved.

The invention discloses a concrete crack detection method based on coupling of an infrared thermal field and a Rayleigh wave field, which comprises the following steps of: comprehensively scanning concrete in a target area by adopting an infrared thermal imaging method, and identifying the position of a concrete crack; calculating the depths of a superficial crack, a deep crack and a junction region crack; extracting Rayleigh wave amplitude attenuation characteristics to calculate crack width, and inverting a crack inclination angle based on time domain waveform head wave arrival time difference; superposing an infrared thermal imaging method detection result and a Rayleigh wave detection result, and constructing a three-dimensional visual crack model by adopting a linear interpolation algorithm; the crack position, the crack depth, the crack width, the crack inclination angle and the three-dimensional visual crack model are input, and a mass concrete crack detection report is generated. Through coupling detection of an infrared thermal field and a Rayleigh wave field, seamless connection of a shallow crack and a deep crack is achieved, a three-dimensional visual crack model is constructed, and the problems that a traditional method is low in efficiency, poor in precision and incomplete in coverage are solved.

The embodiment of the invention discloses a wave period identification method and device based on deep learning, and the method comprises the steps: collecting wave data in a preset time length at preset time length intervals, carrying out the image processing of the wave data, obtaining a target sea wave image, and obtaining the white-head wave value data; and performing calculation based on the target sea wave picture and the white head wave value data to obtain a wave period estimation value, and constructing a wave period identification model of the wave truth value and the wave period estimation value. A target sea wave picture is automatically extracted in a deep learning mode, and errors and cost of manual intervention are reduced; based on calculation of a target sea wave picture and white head wave value data, an accurate prediction basis is provided for wave period estimation, the accuracy and stability of the wave period estimation are further improved in combination with application of a deep learning algorithm, and a wave period recognition model constructed by the embodiment can automatically learn and optimize the relationship between sea wave features and wave periods. Through continuous learning and iteration, the model can adaptively adjust parameters, and the prediction precision is improved.

The invention provides a receiving waveform position judging method of an ultrasonic flow metering device, and aims to improve the reliability of flight time measurement and reduce flow metering errors. According to the method, head wave and tail wave detection is achieved through the variable threshold comparator, the threshold is dynamically adjusted to adapt to different detection stages, and it is ensured that echo signals are accurately recognized. Through combination of zero crossing point flight time measurement and pulse width difference comparison, the method can determine the position of a tail wave, forwards presumes the position of an echo waveform, and judges the accuracy of a zero crossing point. In addition, the measurement accuracy is further improved by adjusting the phase of the transmitted ultrasonic signal to enhance the tail wave characteristic. The method is suitable for the field of flow measurement of water meters, heat meters, gas meters and the like, and metering errors caused by signal fluctuation or interference are effectively reduced.

The invention relates to the technical field of geological exploration, and discloses a thick loess highland coal field three-dimensional seismic exploration method, which comprises the following steps: S101, acquiring an artificial seismic source shot seismic record and superficial Rayleigh wave detector data; s102, performing grid division on the target area, and setting parameters to be inverted; s103, performing vertical ray path time estimation, multi-layer medium dispersion forward modeling and post-stack energy estimation; s104, generating a multi-target error function according to the head wave arrival time observation value, the Rayleigh wave observation dispersion curve, the theoretical ray path time, the phase velocity and the post-stack energy; s105, dividing the target region into three sub-regions, and performing differential evolution iteration until local convergence; s106, establishing a plurality of parallel annealing chains, setting chain temperatures, progressively decreasing the chain temperatures, optimizing to-be-inverted parameters, and outputting optimal to-be-inverted parameters; and S107, calculating the static correction time difference and the absorption compensation coefficient of each acquisition point. The coal seam structure imaging precision and the exploration data reliability under the complex earth surface condition are improved.

The invention relates to the technical field of ultrasonic measurement, and discloses an ultrasonic measurement head wave detection level online correction method and device, a medium and a product, in the correction method, by detecting level values AM1-AMn corresponding to wave crest amplitude values of a head wave and a plurality of receiving waves in a subsequent receiving sequence, delta AMm with the maximum absolute value in a quantity difference value delta AMn is obtained, and the maximum absolute value of delta AMm is obtained; and further, comparing the flight time difference delta Tn of two adjacent received waves with a first threshold value, and when the data exception proportion exceeds a second threshold value, further correcting to obtain a corrected head wave detection level FHLC. The design is reasonable, the metering precision can be improved, and the use cost of a user can be reduced.

The invention provides a programmable linear bipolar high-voltage ultrasonic driving device which comprises a ZYNQ and DAC driving module used for executing analog signal output for converting digital quantity into analog quantity according to a waveform file; wherein the ZYNQ module executes data reading according to a waveform file and sends a data port to the DAC driving module; the method further comprises the steps of generating a time-sharing switching signal; the DAC driving module is used for converting the digital quantity voltage value into analog waveform voltage and outputting the analog waveform voltage; the DAC driving module converts a digital signal into an analog electric signal, and the passive low-pass filtering unit performs signal filtering to obtain sine wave output; and the bipolar linear power amplification module is used for converting the analog waveform voltage into ultrasonic high voltage according to the analog waveform voltage. The problems that the service life of an energy converter is affected and the energy converter is easily damaged due to the fact that rectangular pulse square waves can generate large resonance current under abrupt-change high voltage, main lobes and side lobes of echo signals are difficult to distinguish, and the position of a head wave is difficult to judge are solved.

According to the overtopping type wave-resistant power generation system for the offshore floating type photovoltaic system, in the system, a head wave ramp comprises a slope surface which is inclined downwards in the direction away from the photovoltaic power generation system so as to be opposite to the photovoltaic power generation system to receive waves; a plurality of long-strip-shaped guide plates extending in the direction away from the photovoltaic power generation system are arranged on the slope surface, the long-strip-shaped guide plates are arranged according to a preset angle so as to form a contraction ramp with a narrow upper part and a wide lower part on the slope surface, and the rotor comprises a rotor shell which receives waves from the head wave ramp to rotate and a permanent magnet connected with the device shell; the permanent magnet rotates along with the rotor shell to rotate relative to the stator coil to convert wave energy into electric energy and weaken waves at the same time. The system improves the stability and safety of the structure.

The invention discloses a head wave threshold voltage setting method for an ultrasonic flow metering device, which relates to the field of ultrasonic flow metering devices, and comprises the following steps: setting a threshold voltage range and an initial value of a variable threshold comparator, transmitting an ultrasonic signal with a specific frequency, and starting a receiving circuit to detect an echo signal. When the amplitude of the echo signal exceeds a set threshold value, the time of flight TOF is measured through a zero-crossing comparator and a time measurement circuit TDC. And traversing all threshold settings to obtain a relationship between different TOF values and thresholds, calculating threshold differences, finding out an upper threshold limit and a lower threshold limit corresponding to the maximum threshold difference, and finally calculating an optimal head wave threshold. The method can effectively avoid the wrong wave phenomenon caused by signal fluctuation, improves the accuracy and stability of ultrasonic flow metering, and is suitable for liquid or gas flow metering and billing devices.

The invention relates to the technical field of breakwaters, in particular to a breakwater embedded with an oscillating water column type wave energy power generation device adapting to tidal range variation, which comprises a breakwater body, a plurality of mounting grooves are formed in the head wave surface of the breakwater body and are respectively arranged at intervals in the horizontal direction, and a driving system is arranged in each mounting groove. The driving system is connected with an oscillating water column type wave energy power generation device, and the oscillating water column type wave energy power generation device is driven by the driving system to ascend and descend in the vertical direction. A plurality of oscillating water column type wave energy power generation devices are embedded in the head wave face of the breakwater body at intervals, and the heights and opening orientations of the oscillating water column type wave energy power generation devices are flexibly adjusted through the driving system so as to adapt to and be matched with tidal range changes and incoming wave direction changes of a service sea area; on the basis of maintaining stable mooring conditions in the harbor, energy absorption and capture of waves with different tide levels and incoming wave directions are achieved in an efficient mode, and the capture efficiency is improved to the maximum extent.

The invention relates to the field of ocean engineering, and discloses a multi-layer pore plate structure for shock absorption of an ultra-large floating body, the structure is composed of a plurality of pore plates which are horizontally arranged, and the pore plates are rigidly connected with the floating body through fixing devices and are made of high-strength light materials; open pores are uniformly distributed in the surface of each pore plate, and the porosity, the plate spacing, the water entry depth and the plate layer number of the pore plates can be flexibly adjusted according to the working environment and the wave condition of the floating body; the porosity range is 6%-15%, the distance between the plates is 4.2%-16.7% of the working water depth of the floating body, and the water entering depth is 1-3 times of the height of the wave below the bottom surface of the floating body; through reasonable design and arrangement, the multiple layers of porous plates can effectively reduce transmission and reflection of wave energy, the energy dissipation capacity is enhanced, and vibration reduction of the head wave side and dynamic stability of the back wave side are achieved; the damping device has the characteristics of flexible structural design, remarkable damping effect and wide application range, and is suitable for offshore and deep sea ultra-large floating body engineering.

The invention relates to the technical field of disaster prevention and control engineering, discloses a glacial lake surge channel type energy dissipation and wave resistance tough structure and a layout method, and aims to solve the technical problems that the peak clipping capacity of head wave surge is insufficient, the structural stability depends on a rigid foundation, the energy clipping direction depends strongly and the like under the glacial lake working condition in an existing surge energy dissipation technology. The ice lake surge channel type energy dissipation and wave resistance tough structure comprises floating type wave dissipation elements, transverse array connecting cables and lateral restraining assemblies, the multiple floating type wave dissipation elements are connected in series through the transverse array connecting cables to form a transverse array, and the lateral restraining assemblies are arranged at the two ends of the transverse array connecting cables correspondingly. The floating type wave dissipation element is sequentially provided with an annular water-permeable flow guide energy dissipation crown, a water absorption-release elastic energy absorption array and a flexible air bag floating supporting assembly from top to bottom in the vertical direction, and a double-stone anchoring system is connected to the lower portion of the floating type wave dissipation element and comprises overhanging pumice stone, bottom anchoring stone and a vertical stroke limiting ring.

The present invention relates to a method for improving the wavy shape defects of the head of cold-rolled thin-gauge strip steel, comprising the steps of setting the roller shifting value according to the flatness, adjusting the frame load, and the like. The method for improving the wavy shape defects of the head of cold-rolled thin-gauge strip steel provided by the present invention is based on the existing plate shape control means of cold-rolled UCM equipment. By analyzing the influence of the intermediate roller shifting setting of the finished product frame on the plate shape control, a method for setting the intermediate roller shifting of the finished product frame for the wavy shape of the strip head is designed, as well as a method for resetting the load distribution if the plate shape control ability of the intermediate roller shifting is insufficient. Utilizing the method of the present invention, effective improvement measures can be implemented for the plate shape defects of the head of thin-gauge strip steel that plague production through manual intervention methods, which not only shortens the length of the thin-gauge strip steel with serious plate shape problems that needs to be sheared before entering the subsequent continuous annealing process, thereby improving the yield rate, but also improving the stability of rolling.

The invention discloses a tidal bore tide head line detection and segmentation method. According to the method, aiming at the problems of low tide line detection precision, weak generalization ability and large calculation overhead of an existing method, an instance segmentation method is innovatively used for detection. The method specifically comprises the following steps: introducing a C3k2ODConv module into a neck network, constructing a four-dimensional collaborative attention mechanism by using full-dimensional dynamic convolution, and enhancing the extraction and expression ability of a model to multi-scale features; a C2PSA module in a backbone network is replaced by a C2PSADA T module, and a DA attention mechanism and a feedforward network structure are introduced, so that the sensing and positioning capability of a key area in an image is improved; and meanwhile, a backbone network is replaced by a MobileNetV4 architecture, and a Fused-IB module and a UIB module are combined, so that the balance of model lightweight and deep semantic modeling is realized. Experiments prove that under the IoU threshold value of 50-95%, the average mask precision of the method reaches 68.2%, the model parameter quantity is 6.513 M, the reasoning speed is 25.2 ms / frame, the method is remarkably superior to an original model, detection precision and deployment efficiency are both considered, and the method is suitable for intelligent tidal bore monitoring in the complex environment.

The invention relates to the technical field of remote opening control, and discloses a power grid communication data processing system based on a remote communication unit, and the system comprises the steps: collecting the three-phase voltage traveling wave and temperature of a power grid according to a fixed time interval based on the remote communication unit in a safe operation time period of the power grid; determining a three-phase voltage traveling wave corresponding to the temperature T to extract a head wave zero-crossing density and a shoulder zero-crossing density at the temperature T, and determining a temperature wave baseline value corresponding to the temperature T; acquiring a voltage amplitude of the power grid, and triggering to acquire a fault three-phase voltage traveling wave of the power grid in response to voltage amplitude overrun; calculating a temperature wave monitoring value based on the fault three-phase voltage traveling wave; according to the temperature wave baseline value and the temperature wave monitoring value, carrying out correction processing on a preset reference speed to obtain an equivalent propagation speed; and calculating a correction fault distance according to the equivalent propagation speed and a timestamp corresponding to the head wave zero cross density of the fault three-phase voltage traveling wave, determining a fault section according to the fault distance, and carrying out opening control processing.

The invention discloses a touch positioning method and device and a storage medium, and the method comprises the steps: obtaining elastic wave signals detected by a plurality of elastic wave sensors; the energy value of the head wave signal of each elastic wave signal is calculated, the energy values of the head wave signals of the obtained elastic wave signals are compared, and the relative relation between the position of the touch action triggering the elastic wave signals and the position of the elastic wave sensor is determined according to the comparison result.

The invention discloses a float-type floating tunnel test device considering a ship impact variable head wave angle and immersion depth. The float-type floating tunnel test device comprises a tunnel pipe body in a segmental modular design, an end posture adjusting device, a float, a stand column, a ship impact simulation system and a measurement system. The end posture adjusting device can adjust the head wave angle and the immersion depth of the tunnel pipe body. A weak connecting assembly is arranged in the middle section of the stand column, and the weak connecting assembly is automatically disconnected when the impact load exceeds a threshold value. An impact device of the ship impact simulation system can adjust impact energy, position and angle; the measuring system collects the stress of the stand column and the tunnel pipe body, the acceleration of the tunnel pipe body and the displacement data of the buoy through a plurality of sensors. The device can simulate the dynamic response and failure process under multiple working conditions, and provides reliable test data support for design optimization and the like of the float-type floating tunnel.

The invention discloses a multi-wave-direction self-adaptive wave energy collecting device which comprises a floating box, a longitudinal energy collecting mechanism and a horizontal energy collecting mechanism, an energy conversion mechanism is arranged in the floating box, the longitudinal energy collecting mechanism comprises a floating body, a connecting rod is installed at the bottom of the floating body, and the floating body drives the connecting rod to reciprocate in the vertical direction along with fluctuation of waves; the horizontal energy collecting mechanism comprises a supporting platform and a head wave cylinder, the head wave cylinder is slidably installed on the supporting platform in the horizontal direction, a plurality of concave faces are arranged on the outer surface of the head wave cylinder, an inhaul cable is arranged on the head wave cylinder, and the concave faces bear the horizontal acting force of waves, synchronously drive the head wave cylinder to move in the same direction and pull the inhaul cable to move. One end of the inhaul cable is vertically downwards connected with the reset mechanism; reciprocating motion of the connecting rod and the inhaul cable is converted into rotating motion through the first input end and the second input end of the energy conversion mechanism, so that multi-wave-direction energy collection is achieved, wave energy is fully utilized, and the energy collection efficiency of the device is improved.

The invention discloses a concrete filled steel tube interface void detection method based on head and tail wave conjoint analysis. A plurality of piezoelectric sensors are uniformly arranged on the inner wall of a steel pipe, modulation pulse or sine wave signals are adopted to cyclically excite the piezoelectric sensors, and response signals of the opposite side and the corresponding adjacent sensors are collected. Under the assumption that both the steel pipe and the concrete are uniform media, the characteristic change of the head wave signal mainly reflects the interface state on the propagation path, and can be used for identifying the interface void of the area where the excitation or receiving sensor is located; as the tail wave signal contains multiple reflection and scattering components, the symmetrical path contrastive analysis is carried out on the tail wave signal, and the medium change of an indirect area between the sensors can be effectively sensed, so that the void condition of a corresponding position is judged. According to the method, quantitative recognition of the head wave on the path defect and high-sensitivity sensing of the tail wave on the change of the adjacent region are combined, so that a completely-covered void detection system is constructed, and the technical problem that global monitoring is difficult to realize by a traditional method is solved.

The utility model relates to a device for bonding and positioning lenses of an optical climbing frame, and belongs to the field of optical climbing frames. The device comprises a base which is provided with a first clamping groove, a second clamping groove, a first adjusting hole and a second adjusting hole; the climbing frame body is fixed in the first clamping groove and is provided with a second positioning groove; the positioning bracket is fixed on the base and is provided with an optical path channel and symmetrical rubber head wave bead jackscrews; the first adjusting support is fixed to the base and provided with a first thread pair, and the first thread pair is located in the first adjusting hole; the second adjusting support is fixed to the base and provided with a second thread pair, and the second thread pair is located in the second adjusting hole; when the two reflecting lenses are clamped in an area formed by combining the second positioning groove and the second clamping groove, one end of the first thread pair, one end of the second thread pair and one end of the rubber head wave bead jackscrew abut against the reflecting lenses. The device can be adjusted on the front side and the rear side of the two reflecting lenses, so that multi-degree-of-freedom fine adjustment is realized.

The invention discloses a concrete micro pile body integrity detection method based on an ultrasonic technology, and relates to the technical field of defect detection.The method comprises the steps that original waveform data of multiple depths in a concrete micro pile are obtained; according to smooth continuity of reflection extreme points of different depths in the original waveform data, a reflection extreme chain is constructed, and the reflection extreme points are waveform maximum values in the original waveform data; determining a suspected head wave extreme point in the reflection extreme points of different depths based on the matching optimization degree and the matching mutability of different reflection extreme points on the reflection extreme chain; based on the matching optimization degree of the suspected head wave extreme points of different depths, defect existence probabilities of different depths are calculated; and when the defect existence probability meets the preset condition, the depth position of the defect of the concrete micro pile is determined. The technical effect of improving the accuracy of defect identification is achieved.

A marine propulsion system (102, 202, 302 402) includes a propulsion device (1), an up-and-down movement sensor (2b), and a controller (4, 204, 304, 404) configured or programmed to control driving of the propulsion device, and perform a wave control including an attitude control to reduce an up-and-down attitude change of a hull (101) by temporarily reducing a vessel speed based on a measurement result of the up-and-down movement sensor each time a marine vessel rides over a wave when waves are occurring. The controller is configured or programmed to, in the wave control, perform the attitude control when determining that a wave condition is a head wave, and not perform the attitude control when determining that the wave condition is a following wave.

The invention discloses an optimal phase matching wave source estimation method based on head wave statistics and norm constraint, and belongs to the field of signal processing. On the basis of statistical method wave source estimation, a Hilbert orthogonal component and a constant phase rotation mechanism are introduced to realize RMS energy retention type all-phase scanning wave source extraction, and the method specifically comprises the following steps: carrying out dynamic correction, first arrival alignment and interception on a fluctuation signal observation data set to obtain an initial time domain wave source under a minimum phase assumption; generating an adjoint component through Hilbert transformation, carrying out phase rotation at a step length of 1 degree, carrying out L2 norm energy maintenance after each rotation, and constructing a candidate wave source library with consistent energy; and keeping the amplitude of each candidate wave source consistent with the original wave source, then carrying out convolution with the measured reflection coefficient to generate a synthetic record, and carrying out cross-correlation analysis on the synthetic record and the actually measured signal record to determine the optimal phase and wave source. The method has the obvious advantages of keeping lower inversion residual error, better fitting of profile waveform and measurement data, higher inversion resolution and the like.

A marine propulsion system includes a propulsion device, an up-and-down movement sensor, and a controller configured or programmed to control driving of the propulsion device and perform a wave control including an attitude control to reduce an up-and-down attitude change of a hull by temporarily reducing a vessel speed based on a measurement result of the up-and-down movement sensor each time a marine vessel rides over a wave. The controller is configured or programmed to, in the wave control, perform the attitude control when it is determined that a wave condition is a head wave, and not perform the attitude control when it is determined that the wave condition is a following wave.

The present invention provides a method for determining the position of a received waveform of an ultrasonic flow metering device, aiming to improve the reliability of time-of-flight measurements and reduce flow metering errors. The method uses a variable threshold comparator to detect the head wave and tail wave, dynamically adjusting the threshold to adapt to different detection stages to ensure accurate identification of the echo signal. Combining zero-crossing time-of-flight measurement and pulse width difference comparison, the present invention can determine the tail wave position, infer the echo waveform position forward, and determine the accuracy of the zero-crossing point. In addition, by adjusting the phase of the transmitted ultrasonic signal to enhance the tail wave characteristics, the measurement accuracy is further improved. This method is applicable to flow measurement fields such as water meters, heat meters, and gas meters, and effectively reduces metering errors caused by signal fluctuations or interference.

The light-weight floating breakwater with the wave energy dissipation characteristic comprises a floating type main body structure, and the front side and the rear side of the floating type main body structure are each provided with a side box; the whole floating type main body structure is in an inverted-T shape, so that a step area is formed on each of the head wave face side and the back wave face side of the floating type main body structure, and the step areas are both located below the free liquid level. Wherein the step area on the wave facing surface side is used for inducing wave reflection, and the step area on the wave backing surface side is used for increasing wave breaking on the wave backing surface side; a water-permeable porous component is arranged in each step area of the floating type main body structure, and the water-permeable porous components are fixedly connected with the floating type main body structure and the side box; and the water-permeable porous part is used for dissipating wave energy. According to the floating breakwater, the wave energy on the wave facing side and the wave back side can be dissipated, and the wave absorbing efficiency of the floating breakwater can be effectively improved while the reflected wave energy is reduced.

According to the U-shaped network head wave arrival time extraction method, a U-shaped coding and decoding network is constructed, forward and backward spatial-temporal characteristics of sound wave signals are captured in combination with a bidirectional convolution long and short time memory module, the modeling capability of a head wave propagation rule is enhanced, in addition, a multi-scale attention module is introduced into the U-shaped coding and decoding network, head wave key characteristics are adaptively focused, and the head wave arrival time extraction efficiency is improved. Interference of environmental noise is effectively suppressed, and the problems of large parameter setting error and poor noise immunity caused by traditional artificial experience are solved.

The invention relates to the technical field of ocean engineering protection, in particular to an embedded seawall wave-resistant device which comprises at least one energy dissipation unit and a fixing structure, the energy dissipation unit is arranged on the head wave side of a seawall, the energy dissipation unit is constructed to be of an annular structure with a notch in the radial face and is provided with an opening in the axial direction, and the notch forms the head wave face; the fixing structure is fixed in the embankment; through the geometrical characteristics of the energy dissipation units, wave energy is converted into internal mutually-counteracted fluid motion, so that the purpose of actively and efficiently dissipating waves is achieved, and direct scouring of waves to the embankment body is relieved. According to the device, on-site construction installation and subsequent maintenance are facilitated, the arrangement scale and mode of the energy dissipation unit can be flexibly adjusted according to the protection requirement of a specific shoreline, and good adaptability and practicability are shown.