87 results about "Single shot" patented technology

The invention discloses a parallel imaging OCT (Optical Coherence Tomography) system based on a metasurface area array, which relates to the technical field of medical instruments, is small in size and can realize intraocular single-shot area array imaging and a three-dimensional position depth perception function by using metasurface and optical coherence tomography imaging information in a sample tissue with a limited size. According to the technical scheme, a light beam emitted by a laser is divided into two paths through a beam splitter, and the two paths enter a sample arm module and a reference arm module respectively; the sample arm module is a probe and comprises a multi-core optical fiber and a first metasurface; the reference arm module comprises a collimator, a motor and a right-angle reflector; the probe enters a sample tissue, a light beam is focused on the sample tissue and then is backscattered, the backscattered light beam reversely passes through the first metasurface, the multi-core optical fiber, the beam splitter, the second metasurface, the third lens, the grating and the focusing lens and then forms a spectral line beam on the CCD sensor, and the computer reads a signal from the CCD sensor and performs three-dimensional reconstruction imaging on the sample tissue.

An unmanned quadcopter aircraft system integrated with a pneumatic paintball projectile launching mechanism for recreational and training applications. The system includes a compressed gas powered single-shot paintball launcher with gravity-fed ammunition hopper, mechanical counterweight recoil compensation, and multiple electronic safety systems. GPS-based geofencing prevents firing in restricted zones, while altitude sensors prevent firing above predetermined heights. The flight control system automatically reduces aircraft speed and altitude limits when the projectile system is armed. A ground control system integrates standard flight controls with firing controls, safety indicators, and emergency stop capability. An alternative embodiment allows a used to adjust the elevation of the firing system while maintaining the orientation of the drone in space and also allowing recoil compensation. The system enables aerial paintball gaming and training scenarios while maintaining safety through redundant control systems and automatic parameter limiting.

The application relates to the technical field of image detection, and provides a human target detection method, an electronic device and a storage medium. The human target detection method comprises the following steps: acquiring an image frame from a video stream; extracting a foreground image of the image frame by using a mixed Gaussian background model; extracting an outline of the foreground image; calculating the area of a minimum circumscribed rectangle of the outline; judging whether the area of the minimum circumscribed rectangle of the outline is greater than or equal to a preset area threshold; and if the area of the minimum circumscribed rectangle of the outline is greater than or equal to the preset area threshold, performing human target detection on the image frame by using a single-shot multi-box detection (SSD) model. The application can effectively reduce the calculation of the image frame without a human target in the video stream detection task, and improve the human target detection speed.

The application discloses a kind of artillery barrel residual life prediction method, to the interior ballistic parameter obtained in artillery shooting process as foundation, in the process of each ammunition launch, the pressure of the bottom of the shell and the movement speed of the projectile at multiple discrete time points in the movement stage of the barrel are collected in real time, and the integrated feature vector for representing single shot process is constructed in combination with artillery state information, based on integrated feature vector, single wear prediction model based on BP neural network is constructed and trained, after model training is completed, the wear of barrel caused by each shot is predicted using single wear prediction model, and the degradation state of barrel is dynamically updated through wear accumulation mechanism, in combination with the preset barrel wear failure threshold, the wear evolution in the subsequent shooting process of artillery barrel is forwardly predicted, and then the residual available firing number of artillery barrel is obtained, to realize the quantitative evaluation of residual life.

The application provides a radar precipitation measurement method and device based on a 45-degree slant depolarization ratio, which uses a radar with or modified to realize 45-degree slant polarization to collect single-shot double-receiving two-channel complex voltage data, calculates a slant baseline linear depolarization ratio and a reflectivity factor Z; identifies a melting layer according to a vertical pointing profile observation collected by the radar in a vertical pointing mode, and applies upper and lower boundaries of the melting layer to a near-horizontal scanning mode to realize liquid rainfall identification; performs rain attenuation correction on and Z, and according to the rain attenuation corrected and Z, looks up a table or a neural network to inverse precipitation parameters such as rainfall intensity, mass-weighted mean diameter, normalized intercept, number concentration and water content. The application improves the precision and robustness of precipitation measurement.

The invention provides an efficient cooperative construction method, device and equipment for simultaneous operation of multiple geophysical prospecting teams, relates to the technical field of seismic prospecting, and aims to solve the problem that the construction efficiency is low under the condition that the distance between shot points constructed by the multiple geophysical prospecting teams in the same time window in adjacent work areas is smaller than the minimum distance of synchronous excitation in the prior art. The method comprises the following steps: integrating adjacent work areas for analysis, calculating the lower limit value of the root-mean-square energy of the upper cannon interference of a conventional production cannon, and drawing a first time distance curve meeting the condition that the upper cannon interference is not greater than that of the production cannon by utilizing a single-cannon data single-cannon energy attenuation time-space domain distribution plane graph of a long-record long-arrangement-point test; according to the seismic data of the work area, obtaining the lowest refracted wave speed, and calculating a second time distance relation curve when the last shot refracted wave does not enter the single shot data; and an area clamped by the first gun loading interference time distance curve and the second gun loading interference time distance curve is used as a distance range of staggered excitation of two guns in adjacent work areas, a blasting time interval is dynamically calculated, and staggered excitation is carried out.

Abstract Apparatus and methods are presented for spectral domain optical imaging, in particular for single shot 3-D spectral domain imaging of the retina of the human eye. In certain embodiments one or more 3-D images across elongated areas of an object are acquired, with scanning perpendicular to the long axis of the elongated areas for imaging extended volumes of 5 the object. In preferred embodiments the captured light is sampled in the Fourier plane, in a dimension substantially perpendicular to the long axis, with a cylindrical lenslet array, while in other embodiments the captured light is sampled in the image plane. Apparatus and methods are also presented for hyperspectral imaging of the retina, with the illuminating beams preferably angled to suppress interference from corneal reflections. Apparatus and methods are 10 also presented for multi-wavelength wavefront sensing, with simultaneous capture of light in two or more paths with different delays. 5 1020 26 20 47 51 19 J un 2 02 6 A b s t r a c t 1 9 J u n 2 0 2 6 5 2 0 2 6 2 0 4 7 5 1 1 0

This invention discloses a method for correcting firing parameters in a closed-loop firing correction system suitable for conditions with very few satellite measurement points. It adds a rotational speed measuring device to the projectile system to measure the real-time rotational speed of the artillery projectile. Based on external ballistics theory, this invention utilizes muzzle rotation speed, ballistic speed, and measurement data (coordinates and velocities) from a limited number of ballistic points to propose a method for estimating the range and lateral deviations of a single projectile relative to the target point. This allows for the rapid determination of the launch angle and directional corrections, enabling artillery firing correction. This invention solves the key problem of how to quickly and accurately determine the firing parameter corrections of a closed-loop firing correction system when there are very few ballistic measurement points, greatly improving the adaptability and reliability of the closed-loop firing correction system under complex battlefield conditions and effectively enhancing the combat capability of the weapon system.

The application belongs to the field of oil and gas geophysical exploration, and discloses a kind of geophone combination to improve the calculation method of signal-to-noise ratio degree of single shot data, and the signal-to-noise ratio of geophone combination is improved multiple times compared with geophone single point G , the surface wave suppression amplitude value of geophone combination b 1, the refraction wave suppression amplitude value b 2, the reciprocal of the signal-to-noise ratio of geophone combination suppression random interference wave b 3, the amplitude ratio of surface wave and refraction wave k , the surface wave suppression coefficient, refraction wave suppression coefficient and random interference wave suppression coefficient of geophone combination are obtained, and finally the formula of the signal-to-noise ratio improvement multiple of geophone combination compared with geophone single point is obtained.The application is suitable for calculating the degree of signal-to-noise ratio of single shot data improved by geophone combination, the calculation result is clear, the reliability is strong, the calculation method is fast, and the quantitative basis can be provided for the selection of geophone combination number and group distance in seismic acquisition engineering technical design.

The invention relates to the technical field of aero-engine numerical control system architecture design, and particularly discloses a backup control architecture of a single-engine manned rotorcraft engine control system, which comprises a backup control box, a backup control motor and a digital electronic controller, when the digital electronic controller receives a manual backup training instruction or judges that the engine has a fault currently, a manual backup control instruction is output to the backup control box, and when a pilot operates an oil adding and reducing switch, an oil adding and reducing instruction is output to the backup control box; the backup control box drives the backup control motor to control the action of the backup metering valve; and when the digital electronic controller receives the manual backup training quitting instruction and judges that the engine has no fault at present, the digital electronic controller enters an automatic control mode and outputs a neutral reset request instruction to the backup control box, and the backup control box drives the backup control motor to control the backup metering valve to move towards the neutral position. The method has the characteristics of simple logic, high safety and friendly pilot operation.

The present application relates to a method (100) for use in cutting a substrate or preparing a substrate for cleaving. The method (100) comprises: irradiating (102) the substrate with a plurality of pulses of a laser beam, the pulses having a pulse duration of less than a nanosecond and an elongate cross sectional spatial profile, and wherein the fluence of the plurality of pulses is controlled to be less than a single shot damage threshold fluence of the substrate; providing (104) relative movement between the laser beam and the substrate such that the plurality of pulses are arranged along a cutting path; and controlling (106) the relative movement such that each of the pulses is spatially overlapped with at least one other of the pulses along the cutting path. An apparatus having a laser system configured to perform the method (100) is also disclosed.

It is described a method of performing quantum error correction on a measurement-based quantum computer using fault complexes. A first chain complex is derived based on a first parity check matrix (PCM) and a second PCM that describe a quantum surface code. A second chain complex is derived based on a third PCM of a binary linear code. A fault complex having one or more boundary operators is generated based on a tensor product between the first and the second chain complexes. Qubits on the measurement-based quantum computer are prepared to implement a fault-tolerant graph state based on the one or more boundary operators of the fault complex. Quantum error correction can be performed based on the measurement of the prepared qubits.

This invention discloses a dual-wavelength optical signal receiving method for a 50G ONU optical device, relating to the field of optical communication technology. The method involves sequentially arranging a 0-degree filter, a tilt filter, and a reflection filter in the receiving optical path of an optical receiving module. The received optical signal is processed sequentially by these filters to obtain optical signals with wavelengths in the ranges of 1342±2nm and 1366±2nm, which then enter the optical receiving module. This invention replaces the existing receiving optical path that uses a combination of a 45-degree filter and a 0-degree dual-bandpass filter by employing a 37-degree reflection filter, an 8-degree tilt filter, and a horizontally arranged 0-degree filter to form a dual-wavelength optical signal receiving optical path. This solves the problem of high production costs associated with the use of 0-degree dual-bandpass filters in existing single-transmitter dual-receiver 50G ONU optical devices.

The invention discloses an earthquake single shot wave field identification method based on micro-logging and ground combined acquisition. The method comprises the following steps: synchronously arranging ground linear arrangements penetrating through a wellhead during micro-logging construction, and collecting seismic single shot records and VSP (Vertical Seismic Program) data excited by different well depths; extracting a common shot point gather with excitation depth and at least two common detection point gathers with different offsets; the method comprises the following steps: accurately identifying direct waves, reflected waves, multiples, refracted waves and transverse waves in a time-depth domain by utilizing the characteristic that a common geophone gather is physically equivalent to zero offset or small offset VSP record, and reading first arrival time; and based on the principle of time-space consistency of the same seismic trace in two types of data sets, an identification result is directly mapped to a corresponding position of a common shot point gather, and objective and accurate calibration of the event of each wave field in a single shot record is realized. According to the method, the defects of high subjectivity and high multiplicity of traditional manual discrimination are overcome, and a reliable basis is provided for high-precision static correction and imaging processing.

The utility model discloses a single firework packaging base which comprises a vertical rectangular sleeve, the top of the rectangular sleeve is open, each of four sleeve walls is provided with three horizontal creases, and the three horizontal creases divide the corresponding sleeve wall into an upper sleeve wall part, a first middle sleeve wall part, a second middle sleeve wall part and a lower sleeve wall part. The upper cylinder wall part and the lower cylinder wall part of the adjacent cylinder walls are connected, and the first middle cylinder wall part and the second middle cylinder wall part are separated. The sleeve has a folding state and a supporting state, the sleeve is in a vertical rectangle shape when folded, the size is small, and transportation and storage are convenient; during supporting, the first middle cylinder wall part and the second middle cylinder wall part are folded outwards to form inclined struts, fireworks are stably supported, and potential safety hazards are reduced. The single firework packaging and setting-off device is simple in structure, convenient to operate, low in cost, simple in processing technology, free of complex equipment and capable of effectively meeting the packaging and setting-off requirements of single fireworks.

Measuring overlay using enhanced overlay targets is described. Multiple dimensional (e.g., x and y components) of an overlay measurement may be acquired in parallel in a digital holographic microscope (for example) system using non-cartesian overlay targets (e.g., overlay targets with structures oriented at angles other than typical ninety degree x and y orientations, but within forty five degrees of a radiation axis). This scheme enables single-shot acquisition of the multiple dimensional components of the overlay measurement (e.g., a full overlay vector). A processor is configured to deconstruct data from the single-shot acquisition (based on the orientation of the overlay targets) into the x and y components of an overlay value. Or the non-cartesian targets may be oriented to correspond to patterned features of interest in a substrate such that the single shot acquisition directly provides an overlay value relative to those features of interest.

The embodiment of the invention provides a first arrival take-off point time determination method and device, equipment and a medium, and relates to the field of oil exploration seismic data processing, and the method comprises the steps: carrying out the leveling processing of the first arrival peak time of seismic single-shot data, and obtaining first seismic single-shot data; determining the first seismic single shot data of which the first arrival peak time is within the time window range as first arrival wavelet data; performing autocorrelation processing on the first arrival wavelet data to obtain first arrival autocorrelation wavelet data; according to the amplitude value of the first arrival autocorrelation wavelet in the first arrival autocorrelation wavelet data, determining the time of the peak maximum value of the first arrival autocorrelation wavelet and the time of second zero crossing; determining a first arrival time difference value according to the time of the peak maximum value of the first arrival autocorrelation wavelet and the time of the second zero crossing; and according to the first arrival time difference and the first arrival peak time, determining the first arrival take-off point time. Through the method provided by the invention, the precision of the first arrival take-off point time obtained in the first arrival low signal-to-noise ratio region is improved.

The invention discloses a three-dimensional space-variant pre-stack denoising processing method and device based on signal-to-noise ratio attributes of a stacked data volume, electronic equipment and a medium. The method comprises the following steps: obtaining an initial seismic data volume stack profile according to an original single shot; performing whole-region signal-to-noise ratio calculation on the stacked section to obtain signal-to-noise ratio attribute distribution; determining a first signal-to-noise ratio threshold value, and dividing the original single shot into a high signal-to-noise ratio region and a low signal-to-noise ratio region; determining a second signal-to-noise ratio threshold value, and determining physical point coordinates of single-shot low signal-to-noise ratio distribution in the low signal-to-noise ratio region; and extracting a corresponding single-shot record according to the physical point coordinates, and performing single-shot enhanced denoising processing. The method protects the integrity of the wave field, guarantees the imaging of a complex structure, provides a high signal-to-noise ratio for the pre-stack time migration, maintains the gather of the amplitude characteristics, and can maintain the integrity of the wave field to the greatest extent.

Single-mask X-ray imaging simultaneously captures attenuation, differential phase contrast (DPC), and dark-field images in a single exposure by capturing multiple contrast features like dark field and differential phase contrast using mask alignment with relatively low-resolution detectors and smaller magnification. New light transport models are used for various system configurations to effectively extract contrast features from various single mask X-ray configurations, thereby eliminating the need for highly coherent X-ray sources, ultra-high-resolution detectors, and intricate gratings, and as such simplifying the imaging process and significantly reducing costs and improving the prospects of clinical translation. Three variations of the single-mask setup are each optimized for different contrast types, offering flexibility and efficiency in a variety of applications.

The present application relates to a kind of single shot co-transmission shaft four-rotor tilt unmanned aerial vehicle transmission system and rotorcraft, include one engine output, connect to intermediate reduction unit, through two groups of coaxial horizontal transmission shaft connection left and right four reduction reversing units, four reduction reversing units are finally connected four rotors respectively;The transmission system adopts one engine output, through intermediate reduction unit and two groups of coaxial horizontal transmission shaft power transmission to left and right symmetrical four reduction reversing units, finally power is transmitted to rotor, realizes single power input, four direction power output;The configuration design of this single shot co-transmission shaft left and right four-rotor tilt unmanned aerial vehicle, so that four rotors mutually offset the influence of torque, and co-transmission shaft design is conducive to reducing the size of helicopter and miniaturization design, solve the current dual-rotor tilt unmanned aerial vehicle transmission system fuselage structure size larger and transmission system weight heavier and cause the problem of poor machine maneuverability.

The utility model relates to a single-beat type double-breakpoint auxiliary group, which comprises a shell, a connecting rod and a combined normally-closed contact. Two groups of static contacts corresponding up and down are arranged in the shell, a contact support is slidably mounted between the static contacts, and a clamping groove is formed in the top of the contact support. And a spherical head at one end of the connecting rod is movably arranged in the clamping groove and can move at multiple angles to ensure that the contact system acts accurately and reliably, and a cylindrical head at the other end penetrates through the side wall of the shell to be matched with the contactor body. A bridge-shaped contact is arranged in a first rectangular window of the contact support, and contact points at four corners of the bridge-shaped contact are provided with silver wires which are in line-surface contact with a static contact, so that weak signal conduction performance is improved. The combined normally-closed contact is composed of a fixed plate and a reed type movable plate, and a silver contact is installed at one end of the movable plate and penetrates through the second rectangular window to correspond to the lower static contact. When the contactor is powered on and off, the connecting rod drives the contact support to act to realize opening and closing of the contact. In addition, the convex hulls on the reed type movable plate increase the opening distance of the normally-closed contact, thereby preventing the generation and spreading of electric arc, and improving the breaking capacity and the insulating property.

The utility model discloses a basic detonator single-shot vacancy automatic detection device, which comprises a first reciprocating driving mechanism and a vertical plate, a product carrier is fixed at the driving end of the first reciprocating driving mechanism, the vertical plate is arranged beside the first reciprocating driving mechanism, a second reciprocating driving mechanism is fixed on the vertical plate, and the second reciprocating driving mechanism is fixed on the vertical plate. A displacement sensor is fixed to the driving end of the second reciprocating driving mechanism, and the lower end of the displacement sensor is connected with a conductive measuring rod. According to the basic detonator single-shot vacancy automatic detection device, an operator does not need to be in direct contact with a detonator medicament, the safety is good, the automation level of basic detonator vacancy detection is also greatly improved, and the product quality is ensured.

Devices, systems, and methods are provided for treating conditions of the heart, particularly the occurrence of arrhythmias. The devices, systems, and methods deliver therapeutic energy to portions of the heart, such as to the pulmonary vein ostia when treating atrial fibrillation, to provide tissue modification. Generally, the tissue modification systems include a specialized catheter, a high voltage waveform generator, and at least one different energy delivery algorithm. Other embodiments include conventional ablation catheter and system components to support use with the high voltage waveform generator. Example catheter designs include a variety of delivery types, including localized delivery, "single shot" delivery, and various combinations thereof. In some embodiments, energy is delivered in a monopolar fashion. However, it will be appreciated that a variety of other embodiments are also provided.

According to the manufacturing method of the clutch damping spring and the clutch damping spring, in the stress strengthening link of a traditional production technology, the depth of a residual compressive stress layer formed through single shot blasting treatment is limited, the surface roughness is in the high level, and conditions are created for generation of fatigue cracks; during nitriding treatment, residual compressive stress introduced by shot blasting is relaxed due to the fact that the temperature is set to be too high in a conventional gas nitriding process, and meanwhile nitriding layer distribution is obviously uneven; in the aspect of a protective layer, a protective film formed through traditional oil immersion treatment is insufficient in thickness and poor in wear resistance, the anti-rust capacity cannot meet the actual requirement, and the contact stress in the working state cannot be effectively relieved. Through composite strengthening, low-temperature nitriding and coating optimization, the problems that the depth of a residual compressive stress layer is insufficient, the surface roughness is high and the performance of a protective layer is poor are effectively solved, and the method has the advantages that the anti-fatigue performance of the clutch damping spring is improved, and the service life of the clutch damping spring is prolonged.

The utility model relates to a single-transmitting and double-receiving assembly module, which comprises a T / R module, a heat conduction pipe is arranged on the outer side of the T / R module in a penetrating manner, the heat conduction pipe and the T / R module are sealed, the inner side of the heat conduction pipe is in threaded connection with a heat dissipation pipe fitting for sealing, and a space for cooling liquid to use is reserved between the outer side of the heat conduction pipe and the heat dissipation pipe fitting. According to the utility model, through the heat conduction pipe and the heat dissipation pipe fitting installed on the inner side of the heat conduction pipe in a matched manner, the heat conduction pipe is sealed by the heat dissipation pipe fitting, a gap is reserved between the heat dissipation pipe fitting and the heat conduction pipe and is filled with the cooling liquid, external air can be guided into the heat conduction pipe, and the cooling liquid is subjected to heat dissipation treatment; the cooling liquid circulates in the T / R module to absorb heat and dissipate heat, the sealing performance of the T / R module is not affected, the overall heat dissipation performance of the T / R module is improved, and the service life of internal elements is guaranteed.

This invention relates to the field of production testing equipment technology and discloses a linear laser automatic calibration system, including a base. A fixed frame, a first support frame, and a linear guide rail are fixedly mounted on the upper surface of the base. An external parameter calibration plate is disposed at the top inside the fixed frame. An internal parameter calibration plate is fixedly mounted on the side of the first support frame. A movable sub-base is movably connected to the side of the linear guide rail. A second support frame is fixedly mounted on the top of the movable sub-base. A mounting frame is fixedly mounted on the top of the second support frame. A placement seat is rotatably mounted on the inner side of the mounting frame. A camera module is disposed inside the placement seat. This invention integrates four independent checkerboard-shaped internal parameter calibration plates, allowing the camera to acquire multiple sets of data required for internal parameter calculation in a single shot, eliminating the cumbersome process of repeatedly moving the camera or calibration plate and taking 10-20 images required in traditional internal parameter calibration. Simultaneously, the linkage between the linear guide rail and the angle adjustment component allows for rapid switching of the camera orientation, achieving seamless integration of internal and external parameter calibration.

This utility model discloses a multi-angle rotary shot peening device for large marine diesel engine piston rods, including a base and a shot peening gun. A support is fixedly mounted on the top of the base, and a transverse movement mechanism is mounted on the top of the support. A first cylinder is fixedly mounted on the bottom of the transverse movement mechanism, and an angle adjustment mechanism is mounted on the moving end of the first cylinder. The shot peening gun is positioned at the bottom of the angle adjustment mechanism. A protective hopper is located above the base. This utility model achieves multi-dimensional movement of the shot peening gun by rotating the workpiece with rollers and linking the transverse movement mechanism with the angle adjustment mechanism. This solves the problems of single shot peening angle and insufficient axial coverage in traditional processes, enabling shot peening of the entire surface and complex parts of the piston rod without dead angles, reducing manual intervention. The closed system composed of the protective hopper and the receiving box efficiently recovers shot, reducing waste and workshop pollution, significantly improving shot peening quality and production efficiency.

This invention discloses a single-shot shock wave velocity measurement system and method with timing calibration capability. The single-shot shock wave velocity measurement system includes a target chamber, a probe laser generation module, a timing calibration target, an interferometer, a streak camera, a focusing lens, a timing laser introduction module, and multiple main laser generation modules. During the timing calibration of the single-shot shock wave velocity measurement system, a customized timing calibration target reflects the main laser signal and the probe laser signal along the same optical path. A focusing lens is used to improve the signal-to-noise ratio. Simultaneously, a dedicated timing laser transmission component introduces the timing laser signal into the slit of the streak camera. This allows for the simultaneous acquisition of the main laser signal, the probe laser signal, and the timing laser signal in a single-shot measurement, achieving in-situ precise timing calibration for a velocity measuring instrument corresponding to any reflective surface.

The invention provides a device for realizing single pulse absorption spectrum measurement by using free electron laser, and relates to the technical field of spectral analysis. The device comprises an XFEL light source, a pumping laser light source, a sample table and a delay table, the XFEL light source is used for emitting XFEL, the pumping laser light source is used for emitting pumping laser, and the delay table is arranged in a light path of the pumping laser; a front monopulse spectrometer, a rear monopulse spectrometer and a time diagnosis mechanism are sequentially arranged in a light path of the XFEL along the propagation direction of the XFEL, and a sample is positioned in the light path of the XFEL and the pumping laser. According to the invention, high-precision spectral measurement under single pulse of XFEL can be realized, the absorption spectrum of the sample to be measured can be accurately calculated, and the problem of instability of spectrum, intensity and position of each pulse of XFEL is solved. Meanwhile, by recording the data of each single pulse of the XFEL, the influence caused by instability is eliminated, and high-precision spectral measurement is realized.

The invention relates to the technical field of oil field geological exploration, in particular to an omnibearing angle gather extraction method based on a wave equation. The method comprises the following steps: acquiring preprocessed seismic data and a velocity field; determining imaging grids, azimuth angles and reflection angle ranges and intervals; constructing a self-adaptive threshold condition, and screening to generate an effective point table; calculating propagation vectors in the effective point table; calculating an underground reflection angle and an azimuth angle based on the propagation angle geometrical relationship; constructing an angle domain imaging condition based on the wave field propagation vector; based on the azimuth angle and reflection angle information, the single-shot imaging value is reduced; and repeating all shot data, and superposing to obtain a final section and an omnibearing angle gather. According to the method, the azimuth angle and reflection angle information of the underground imaging point is fully utilized, a high-precision imaging profile and an all-dimensional angle gather are output, and powerful support is provided for follow-up work such as azimuth superposition imaging and crack prediction.