137 results about "Radiation force" patented technology

The present invention relates to the technical field of coastal engineering, and disclosed is a method for evaluating a radiation hydrodynamic force for a concentric cylindrical structure, comprising the following steps: S1, coordinate system establishment: establishing a cylindrical coordinate system orθz and a Cartesian coordinate system oxyz by taking the intersection of the center of a concentric cylindrical structure and a still water surface as the origin, where the z-axis is vertically upward; S2, flow field division: dividing the entire flow field into an outer domain and an inner domain; S3, perforated boundary condition assumption; S4, determining radiation velocity potentials of the inner domain and the outer domain by means of governing equations and boundary conditions; and S5, by means of the expressions of velocity potential functions of the inner and outer domains, determining first-order radiation forces, added masses and damping coefficients generated by the vibration of an inner cylinder and an outer cylinder. The method takes into account both the effects of seismic and radiation hydrodynamic forces, provides accurate structural response prediction, fills the technological gap in the field of seismic analysis of concentric cylindrical structures as breakwater units, and provides a reliable basis for engineering design.

The invention discloses a hybrid nonlinear floating fan hydrodynamic load coupling calculation method. The method comprises the steps of obtaining a velocity potential of a wave field in a computational domain through OceanWave3D numerical simulation (a wave field calculation model), and performing post-processing to obtain wave field data; dividing an instantaneous wet surface according to the six-degree-of-freedom motion, calculated based on an OpenFAST (floating fan calculation model), of the floating fan in each time step, and performing pressure integration to obtain a Front-Krylov force; updating the hydrostatic stiffness matrix according to the real-time position change of the buoyancy center of the fan, and calculating hydrostatic restoring force; linear radiation force and diffraction force are calculated through time domain convolution of frequency domain data, nonlinearity of the radiation force and the diffraction force is considered based on an instantaneous wetting volume change coefficient, and hydrodynamic load and structural motion response calculation in the current time step is completed after the OpenFAST is coupled. According to the method, coupling calculation between the open source code OpenFAST and OceanWave3D is achieved, and compared with commercial software at the present stage, the method is more accurate in wave load calculation under the extreme wave sea condition.

The invention belongs to the technical field of sound tweezers, and particularly relates to a particle customization control method based on sound radiation force and torque, and the method comprises the steps: building a needed sound source array, evaluating the stress and torque of a to-be-controlled particle in a sound field, repeatedly adjusting and optimizing the phase and amplitude distribution in an array unit, and obtaining an optimal sound field configuration condition. In this way, the required optimal sound field environment can be determined in advance, so that the optimal control effect on the particles is achieved, and the suspension height and the rotation speed of the particles are accurately controlled. According to the method, particle behaviors can be more accurately regulated and controlled, the control precision is remarkably improved, the adaptability is enhanced, more complex control scenes and particle types can be coped with, and the method is particularly suitable for the situation that customized control particles are needed.

The invention provides a cell acoustic characteristic parameter estimation method and system based on a full-connection neural network and a computer medium, and relates to the technical field of biomedical engineering and micro-nano operation, and the method comprises the steps: constructing a three-layer spherical shell model of a target cell, defining the radius, density and sound velocity of each layer and a surrounding medium, and constructing a three-layer spherical shell model of the target cell; the acoustic impedance and the wave number of each layer are calculated; obtaining a transducer driving parameter, a displacement speed of the cell or equivalent particle solid sphere particle, and physical parameters of the cell and a medium; inputting the input feature data into a pre-trained full-connection neural network model to output acoustic characteristic parameters such as a scattering coefficient and an internal refraction coefficient; and calculating acoustic radiation force based on the acoustic characteristic parameters to realize dynamic control. Based on the full-connection neural network and the three-layer spherical shell model, the cell acoustic parameters are efficiently and accurately estimated, the problems that a traditional method is complex in calculation and insufficient in precision are solved, and accurate operation of the acoustic tweezers on the cells is achieved.

A device and method for assembling objects by generating an axial acoustic radiation force in order to position the objects on pressure nodes and / or antinodes and generating a transverse acoustic radiation force in order to move the thus positioned objects on a porous membrane contact structure.

The invention relates to the technical field of soil physical parameter in-situ measurement, and discloses a soil layer natural water content portable intelligent measuring instrument based on multi-source sensing fusion, which comprises a composite probe assembly and an intelligent measurement and control host which are physically connected, the composite probe assembly is configured to be inserted into a soil layer to be tested to construct a multi-physical field test environment, and an electrical transceiving unit and an acoustic transceiving unit are integrated in the composite probe assembly. By constructing a cross physical field excitation and multiphase parameter collaborative decoupling mechanism, a multidimensional dynamic correlation model is established by using the thermosensitive drift characteristic of the sound velocity of a mixed medium during thermal disturbance and the transient step response of a dielectric constant under an acoustic radiation force field; the problems that the coupling influence of the water content and the volume weight cannot be distinguished and the conductivity of bound water and the conductivity of free water are difficult to separate in a traditional means are effectively solved, and four independent physical quantities including the volumetric water content, the in-situ dry volume weight, the bound water content and the actual conductivity of pore water are synchronously inverted through a single probe. And the decoupling precision of the equipment on complex multi-phase soil medium parameters is improved.

The present invention discloses a wireless cross-domain acoustic communication system and method based on acoustic holography. The acoustic holographic device used for cross-domain acoustic communication consists of a single-layer acoustic holographic phase plate, an array transducer, and a camera vision module, wherein each array element of the array transducer has two states: on / off. After receiving the communication coding signal transmitted in the water, the transducer array elements at the corresponding positions can be sequentially selected and the dynamic regulation of the incident sound field can be realized. Then, the sound is transmitted to the water-air interface through the single-layer holographic phase plate and phase-modulated. Under the action of the acoustic radiation force, the interface will deform. The camera vision module is used to capture and parse and decode the deformation of the water surface, completing the wireless reception of information across the water-air interface. The present invention can directly transmit underwater information to the air. The equipment is simple and the relative position requirements of the transmitting and receiving devices are not strict. It is applicable to liquid environments of any temperature, salinity, and density.

The invention relates to the technical field of nano control, in particular to a nano particle control method and device based on an acoustic streaming suppression principle, and the method comprises the following steps: S1, arranging a micro-fluidic chip with a cavity; s2, a target standing wave sound field is established on the cross section of the cavity, and the sound pressure node plane of the target standing wave sound field is parallel to the adjacent side wall of the cavity; s3, fluid containing nano particles is introduced into the cavity channel, the nano particles can be migrated and driven to a sound pressure node area under the action of sound radiation force, and stable aggregation clusters are formed; the device comprises a micro-fluidic chip, the micro-fluidic chip is provided with a cavity channel, the surface of the micro-fluidic chip is provided with a sound wave driving structure, and a sound pressure node plane of a standing wave sound field generated by the sound wave driving structure is parallel to an adjacent side wall of the cavity channel. According to the method, the directional or fixed-point control of the nano particles can be realized under the action of actively inhibiting the sound stream interference.

The invention provides a real-time analysis method for energy distribution of an ultrasonic hemorrhoid therapeutic apparatus, which comprises the following steps of: defining a boundary region of an initial displacement distribution map by using a boundary region of recurrent internal hemorrhoid and scar tissue, and extracting differential mechanical response characteristics of the boundary region, identifying the position of a high strain set area of the differential mechanical response characteristics as a shear strain concentration area; analyzing a strain value of the position of the shear strain concentration area, and if the strain value exceeds a preset strain threshold value, analyzing sound beam path deviation caused by sound radiation force pulse refraction in the scar tissue through two-dimensional correlation to obtain focus offset; adjusting the displacement distribution diagram through the boundary of the energy deposition region, and extracting the mechanical property distribution of the boundary region to obtain the energy deposition distribution of the target hemorrhoid tissue; and through the energy deposition distribution of the target hemorrhoid tissue, optimizing sound beam deflection parameters, obtaining target sound beam control parameters, and determining an energy deposition area.

The invention provides an ultrasonic imaging method and an ultrasonic imaging system for a heart, and belongs to the field of ultrasonic imaging. Aiming at the problem that the heart has physiological movement to bring challenge to elastography, the method comprises the following steps: firstly, imaging the heart to obtain an ultrasonic image, then identifying the myocardium from the ultrasonic image and tracking the position of the myocardium (such as a to-be-observed myocardium segment) to obtain the real-time position of the myocardium, and then carrying out elastography on the basis of the real-time position of the myocardium; further, in consideration of the fact that the heart has chamber structures such as an atrium and a ventricle which can affect propagation of shear waves, acoustic radiation force is applied to the to-be-observed cardiac muscle (such as the geometric center or the gravity center) based on the real-time position of the cardiac muscle to generate the shear waves, and therefore the effectiveness of generation of the shear waves and the sufficient signal-to-noise ratio are guaranteed.

Various examples are provided related to estimation of viscoelasticity of an arterial or venous wall. In one example, a method includes obtaining ultrasound data of an arterial or venous wall for a defined acoustic radiation force; and determining viscoelasticity of the arterial or venous wall. The viscoelasticity can be determined based upon correlation between measured and simulated wall velocity of the ultrasound data in a space-time, a wavenumber-frequency, wavenumber-time, or space-frequency domain; or in a sequential manner by determining the elastic part of the modulus by matching measured and simulated phase velocities and determining the viscoelasticity part by matching measured and simulated wall velocities; or a combination of both. The simulated velocity can be determined for a wall thickness and viscoelastic modulus of the arterial or venous wall through full wave analysis. In another example, a system includes an ultrasound scanner and a computing device that can implement the method.

Various examples are provided related to methods and systems to reconstruct 3D image / map for the stiffness of soft tissues. In one example, a method includes obtaining particle velocities from generated mechanical waves in tissue of a subject; reconstructing a stiffness map of soft tissue in a region of interest (ROI) from the particle velocities; and generating an image of the stiffness map for rendering on a user device. In another example, a system includes an ultrasound scanner for shear wave elastography (SWE) and a computing or processing device that can obtain particle velocities; reconstruct a stiffness map of soft tissue in a ROI from the particle velocities; and generate an image of the stiffness map for rendering. The particle velocities can be generated from acoustic radiation forces produced by the ultrasound scanner.

The invention discloses a biological tissue viscoelasticity optical coherence elastography method, system and equipment, and relates to the technical field of biological tissue viscoelasticity measurement. Non-contact biological tissue viscoelastic mechanical property detection is achieved through acoustic radiation force optical coherence elastography, the device can be applied to application scenes with biopsy requirements, distortion of a sound pressure field is reduced by applying the focal length-diameter ratio of the ultrasonic transducer and the frequency of an excitation signal, and the detection accuracy of the viscoelastic mechanical property of the biological tissue is improved. The capturing capability of tiny deformation of the biological tissue is improved, and the imaging quality and accuracy of the obtained displacement data of the biological tissue are improved, so that the accuracy of viscoelasticity calculation of the biological tissue is improved; meanwhile, viscoelasticity calculation is carried out on the phase velocity frequency dispersion curve of the biological tissue based on the surface acoustic wave frequency dispersion model, main energy distribution corresponding to elastic waves can be calculated, the detection and recognition effect is improved, and the accuracy of viscoelasticity calculation of the biological tissue is improved.

The invention relates to the technical field of acoustic driving, in particular to a passive ultrasonic resonance driving device. The device comprises a resonant cavity body, a standing wave focusing assembly, a spiral torque assembly and a friction gradient assembly are sequentially arranged in an inner cavity of the resonant cavity body, and the standing wave focusing assembly is used for focusing external incident ultrasonic waves to form standing wave nodes, generating vertical acoustic radiation force and driving a floating ball in the inner cavity of the standing wave focusing assembly to move in the axial direction. The spiral torque assembly is located below the standing wave focusing assembly, and a spiral groove of the spiral torque assembly converts longitudinal vibration into rotating torque. Through 20-100kHz broadband ultrasonic adjustment, the functions of lifting of the standing wave focusing assembly, rotation of the spiral torque assembly and sliding of the friction gradient assembly are activated in sequence, the function singleness of a traditional passive acoustic device (such as acoustic tweezers capable of only suspending) is broken through, a floating ball is driven to ascend and descend at 20kHz, cell interlayer positioning is completed, and the operation is simple and convenient. The 60 kHz trigger push teeth and the straight tooth grooves are in contact meshing through acoustic radiation force, so that the rotating shaft rotates, and the micro cutting tool bit is controlled.

The present application relates to the technical field of nanomanipulation, and more particularly to a method and device for manipulating nanoparticles based on the principle of acoustic streaming suppression, the method comprising the following steps: S1. setting a microfluidic chip with a cavity; S2. establishing a target standing wave acoustic field in the cross section of the cavity, wherein the sound pressure node plane of the target standing wave acoustic field is parallel to the adjacent side wall of the cavity; S3. introducing a fluid containing nanoparticles into the cavity, and the nanoparticles can be driven to the sound pressure node region under the action of acoustic radiation force and form a stable aggregation cluster; the device comprises a microfluidic chip, the microfluidic chip is provided with a cavity, and the surface of the microfluidic chip is provided with an acoustic wave driving structure, and the sound pressure node plane of the standing wave acoustic field generated by the acoustic wave driving structure is parallel to the adjacent side wall of the cavity. The present application can realize the directional or point manipulation of nanoparticles under the action of actively suppressing acoustic streaming interference.

The application belongs to the technical field of medical magnetic resonance image reconstruction, and discloses a magnetic resonance acoustic radiation force imaging reconstruction method and a system thereof. The method comprises the following steps: acquiring two groups of undersampling data; constructing a model based on the undersampling data and to-be-decided variables, wherein the model is a weighted sum of minimization functions, a data consistency function is used to measure the deviation between each group of undersampling data and k-space data under the same undersampling template calculated based on a corresponding to-be-solved complex number graph, a fitting consistency function is used to measure the deviation between any one complex number graph and a fitting graph thereof, the fitting graph is obtained by fitting based on another complex number graph and a phase difference, and a phase difference sparsity function is used to measure the sparsity of the phase difference; solving the model, and reconstructing the acoustic radiation force image of the sample based on the solving result. According to the method, the positioning accuracy can be ensured, and the imaging speed is accelerated.

The invention relates to a multi-part moxibustion auxiliary nursing device and a method thereof, and belongs to the technical field of modern rehabilitation and daily health care, and the method comprises the following steps: S1, arranging a sound wave agglomeration flow channel and a downstream variable cross-section cyclone separation guide pipe; s2, the driving frequency is corrected along with temperature adjustment, the pipe diameter is made to be integral multiples of the half-wavelength, and it is ensured that standing wave nodes are located in the center of the section; s3, moxa-moxibustion smoke is introduced, and the flow speed is controlled to be 2-4 m / s so that the laminar flow state can be kept; s4, starting 27 to 29 kHz, gt; 140dB ultrasonic standing waves are adopted, and tar is driven by acoustic radiation force until wave nodes are gathered into gt; 10 [mu] m large particles; s5, the airflow tangentially enters an inverted-cone-shaped pipe, large particles are captured through centrifugal force, and medicine volatile oil gas is discharged from the center. According to the method, harmful substances such as polycyclic aromatic hydrocarbon and the like are efficiently removed, meanwhile, monoterpenoids and sesquiterpenoids volatile oil components in the moxa smoke are reserved to the maximum extent, and the medicinal value of moxibustion nursing is ensured.

The invention relates to the technical field of acoustic wave device application and biological tissue engineering, in particular to a method for constructing a multi-component heterogeneous fiber structure under the assistance of acoustic tweezers. According to the method, an acoustic tweezers technology and a microfluidic spinning technology are combined, an electric signal is converted into an acoustic surface wave through the piezoelectric effect of a piezoelectric material, and a beam-shaped acoustic standing wave field is formed in a microchannel of a specific structure; different target cells form a stable fiber configuration under the interaction of microchannel limitation and acoustic radiation force, and spatial precise classification and arrangement of multiple types of cells are realized. The low-temperature-sensitive hydrogel is introduced in the cell injection process, and the fiber scaffold is formed after ultraviolet curing, so that the fiber structure of the cells is still maintained after the sound field is removed. The cells treated by the surface acoustic wave can form a complex three-dimensional bionic tissue structure more easily, and the cell viability is remarkably improved. Various fiber structures can be formed by regulating and controlling sound field parameters, and great potential is shown in the field of in-vitro barrier model construction.

The invention relates to the technical field of micropore machining, in particular to an ultrasonic micropore machining method and device, and the ultrasonic micropore machining method comprises the steps that a first ultrasonic vibration table is arranged between a workbench and a workpiece; the ultrasonic cutter punches the workpiece; the ultrasonic vibration table generates vibration and transmits the vibration to the grinding material flowing above the workpiece; determining the sound stream drag force Fdrag of the first ultrasonic vibration table on the abrasive particles in the abrasive material; determining the acoustic radiation force Frad of the first ultrasonic vibration table on the abrasive particles in the abrasive material; and the impulse I of the abrasive particles in the horizontal direction is determined based on the acoustic streaming drag force Fdrag and the acoustic radiation force Frad, and the impulse I is made to be larger than 0. And abrasive particles are driven to move through ultrasonic waves, so that the technical effect of improving the machining quality is achieved.

The application provides a solder ball coating method and device and a semiconductor packaging production line, relates to the field of solder ball surface coating, and is used for solving the problems of mechanical contact, surface damage, pollution introduction, incomplete coating and uneven thickness during solder ball surface coating. The solder ball coating method comprises the following steps: generating an ultrasonic standing wave field; placing a solder ball to be processed at a standing wave node position of the ultrasonic standing wave field, so that the acoustic radiation force generated by the standing wave node position can make the solder ball to be processed suspended in a non-contact state; feeding an organic coating material into the standing wave node position; and making the organic coating material deposited on the surface of the solder ball to be processed to form an organic coating. By constructing the ultrasonic standing wave field, the solder ball to be processed is suspended at the standing wave node by the acoustic radiation force, the organic coating material is coated in the suspended state, the collision friction and impurity pollution are reduced, the coating completeness and uniformity of the solder ball surface are improved, and the subsequent welding reliability and packaging yield are improved.

A liquid ejection device including an ejection head that ejects a liquid, a liquid supply flow path that supplies the liquid to the ejection head, an ultrasonic generator provided with an ultrasonic element that transmits ultrasonic waves in a first direction that intersects with a flow direction of the liquid in the liquid supply flow path, and a branch flow path that branches in a second direction that intersects the flow direction and the first direction from a position of the liquid supply flow path where the ultrasonic waves are transmitted, wherein the ultrasonic generator that generates a gradient of acoustic radiation force in which the acoustic radiation force increases from the liquid supply flow path toward the branch flow path.

To provide a device for separating oil from water in generated oil, which does not require a large separation tank and operates with high energy efficiency and a method.SOLUTION: A method for separating oil droplets from water includes the steps of: flowing a mixture through a pipe of a first length having a first outlet orifice; generating a first acoustic standing wave within the interior of the pipe of the first length to produce an acoustic radiation force having a first pressure node, causing oil droplets to aggregate and coalesce at the first pressure node, the acoustic wave having a first frequency; forming a pipe of a second length in a plane having a radius of curvature and an axis when flowing the mixture from the first outlet orifice into the pipe of the second length having a second outlet orifice, and generating an acoustic standing wave within the pipe of the second length, the acoustic wave having a frequency lower than the first frequency; and separating the coalesced oil droplets from the water passing through the second outlet orifice.SELECTED DRAWING: Figure 5

The application belongs to the field of physical property measurement, and discloses a kind of electroplating additive concentration online detection method and system based on multispectral fusion, comprising: guiding flow electroplating liquid through detection cell, control transducer array generates sub-cavitation megahertz standing wave field, utilize acoustic radiation force to drive free gas bubble to gather to wave crest area, make node area form the light path of no scattering interference;Real-time monitoring impedance phase, when reaching resonance extreme point, produce synchronous trigger signal, drive light source to emit ultraviolet wave band light beam, visible wave band light beam and near infrared wave band light beam to light path;Extract the intensity correction absorption brightness parameter of main salt reference wavelength, obtain response sequence and output additive concentration, the application reconstructs the phase distribution of measurement environment, blocks random scattering to the erosion of spectral information, ensures the fidelity of measurement data corresponding to physical fact, solves the problem that trace component signal is hidden in complex matrix.

This invention discloses a method for the synergistic metabolic analysis of multiple components of traditional Chinese medicine (TCM) integrated with the gut microbiota. After initializing the microbiota ecosystem, a solution of multi-component TCM extracts is continuously injected into a microfluidic chip. Stable isotope-labeled precursors are pulsed into a specific simulation region to perform spatial isotope encoding. A standing wave acoustic field is applied at the sampling node of the microfluidic chip, and multiphase fluid spatial splitting is performed using the difference in the primary acoustic radiation force experienced by the particles to derive cell-free TCM metabolites. The cell-free TCM metabolites are separated by chromatography and gas phase drift separation. A four-dimensional metabolic feature array is constructed, and the absolute value of the mass shift is calculated for spatial inverse decoding. Closed-loop feedback is triggered based on the rate of change of target metabolite ion abundance, increasing the amplitude of the standing wave acoustic field pressure to confine intestinal bacteria and performing in-situ enrichment of synergistic metabolic intermediates. This invention realizes the spatial metabolic trajectory tracing and network reconstruction of multiple components of TCM in a complex gut microbiota ecosystem.

The present description relates to a printing nozzle (20) for a 3D printer comprising a duct (21) that has an opening (23), wherein the duct (21) contains a fluid material to be printed (30) which forms an interface (31) with the air at the opening (23), wherein the printing nozzle further comprises an electro-acoustic transducer (40) configured to generate and send first ultrasonic waves (50) through the fluid material to be printed (30) to the interface (31), resulting in the formation of a droplet (32) of the fluid material to be printed at the interface (31) as a result of acoustic radiation forces.

The invention relates to the technical field of micron-sized droplet jet flow and ink jetting, in particular to an acoustically-driven micro-droplet jetting method and device, and the method comprises the steps that to-be-jetted liquid is stably conveyed to a nozzle micropore assembly; generating an ultrasonic signal, and driving an ultrasonic transducer after power amplification; the resonant vocal cavity nozzle is driven by the ultrasonic transducer, and a stable standing wave sound field with a sub-wavelength scale is formed in the cavity; acoustic radiation force is used for acting on a liquid column at the end of the spray head, and non-contact separation and directional spraying of liquid drops are achieved. The nozzle is controlled by the multi-axis motion platform to move on the substrate, so that liquid drops are deposited according to a preset track. According to the method and the device, the problems of nozzle blockage and the like caused by high viscosity or high solid content of liquid in a traditional piezoelectric or electrofluid driving mode are solved; the control precision of the liquid drop size and the spraying speed can be remarkably improved, and the device has excellent fluid adaptability and spraying stability and is particularly suitable for precise deposition and graphical jet printing of complex fluid such as photoresist, metal slurry and functional nano materials.

A cellular mechanical property measurement and sorting method comprises: cells to be sorted being arranged in a straight line after passing through a standing wave acoustic field generated by a first interdigital transducer; the cells flowing through a focused acoustic field generated by a second interdigital transducer, and the focused acoustic field generating a radiation force on the cells, such that the cells are deformed; performing calculation according to information of the radiation force and deformation, so as to obtain elastic moduli of the cells; determining the positions of the cells, and selectively driving, with designed delay time, interdigital transducers in a cell sorting unit according to the moving speeds of the cells and the distances between the cells and the sorting unit, and triggering, according to the elastic moduli, a corresponding interdigital transducer to generate a planar acoustic field, so as to sort the cells.

The application belongs to the field of physical property measurement, and discloses a kind of electroplating additive concentration on-line detection method and system based on multispectral fusion, comprising: guiding flow electroplating liquid through detection cell, control transducer array to generate sub-cavitation megahertz standing wave field, utilize acoustic radiation force to drive free gas bubble to gather to wave crest area, make nodal area form the light path of no scattering interference;Real-time monitoring impedance phase, when reaching resonance extreme point, produce synchronous trigger signal, drive light source to emit ultraviolet wave band light beam, visible wave band light beam and near infrared wave band light beam to light path;Extract the intensity correction absorption brightness parameter of main salt reference wavelength, obtain response sequence and output additive concentration, the application reconstructs the phase distribution of measurement environment, blocks random scattering to the erosion of spectral information, ensures the fidelity of measurement data corresponding to physical fact, solves the problem that trace component signal is hidden in complex matrix.

The invention relates to an automatic assisted reproduction system based on sound-driven bubble microfluid, and belongs to the field of micro-nano operation robots. Comprising the key steps of focusing, capturing, rotating, three-dimensional reconstruction and evaluation and the like, and the problems of high cost and long period in traditional manual operation are solved. The system utilizes secondary radiation force generated by sound wave driving bubble vibration to perform non-contact accurate control on oocytes or embryos. Meanwhile, multi-angle image capture is realized in combination with a three-degree-of-freedom operation platform, and continuous and stable three-dimensional reconstruction and morphological evaluation of the embryo in a long-period culture process are supported. Wherein the deep learning neural network is responsible for analyzing an embryonic development image in real time, and the intelligent algorithm is used for dynamically optimizing an operation path and parameters, so that the system is ensured to efficiently and accurately complete tasks without manual intervention, and the stability and success rate of operation are remarkably improved.

The invention discloses a wireless cross-domain acoustic communication system and method based on acoustical holography. The acoustical holography device used for cross-domain acoustic communication is composed of a single-layer acoustical holography phase plate, an array transducer and a camera vision module, each array element of the array transducer has a connected state and a non-connected state, and after a communication coding signal transmitted in water is received, the single-layer acoustical holography phase plate is connected with the camera vision module through the single-layer acoustical holography phase plate. The transducer array elements at the corresponding positions can be sequentially gated according to the sequence, dynamic regulation and control of an incident sound field are realized, the incident sound field passes through the single-layer holographic phase plate and is subjected to phase modulation to be transmitted to a water-air interface, the interface is deformed under the action of acoustic radiation force, and the camera vision module is used for capturing, analyzing and decoding the water surface deformation condition, so that the water surface deformation condition is obtained. And information wireless receiving across a water-air interface is completed. According to the invention, underwater information can be directly transmitted to the air, the equipment is simple, the requirement on the relative position of transmitting-receiving equipment is not strict, and the device is suitable for a liquid environment with any temperature, salinity and density.