81results about How to "Implement detection" patented technology

The invention relates to the technical field of underwater static target object detection and processing, in particular to an unmanned cross-domain positioning and acoustic fingerprint processing method and system for an underwater static target. Comprising the following steps: performing wide-area scanning on a task sea area, and scheduling an AUV and unmanned aerial vehicle cluster to a target area after discovering a suspicious target; the unmanned aerial vehicle cluster receives an acoustic signal of the AUV and transmits the acoustic signal to the cooperative resolving center in combination with self-positioning data so as to provide accurate coordinate guidance for the AUV; the AUV sails to a target area, parallel processing map construction and accurate positioning, target identification and dual-mode fingerprint generation are carried out, and a target task package is packaged; the ROV receives and analyzes the task packet, autonomously plans a path and sails to a target area, a sonar is started to collect data and generate real-time feature fingerprints, and the real-time feature fingerprints are matched with fingerprints in the task packet; and after matching succeeds, a specific job task is autonomously executed. According to the invention, a complete automatic solution is provided for scenes such as deep and far sea detection, emergency salvage, pipeline maintenance and the like.

The invention discloses a house water seepage position positioning method and system, and relates to the technical field of house water seepage detection, and the method comprises the steps: carrying out the detection of a house based on an ultrasonic positioning technology, obtaining the coordinate data of a house structure, converting the coordinate data of the house structure based on a point cloud reconstruction technology and a parametric modeling technology to generate a house structure diagram, the house structure diagram comprises a house internal space structure diagram and a wall internal structure diagram; water is fed into each water pipe of the house, and water feeding is stopped after the set water feeding duration is reached; according to the method and system for positioning the water seepage position of the house, the structural chart of the house needing water seepage position positioning can be constructed through ultrasonic detection, fine water flow sound in the house can be monitored by monitoring the ultrasonic sensor, and whether the position of the water flow sound is abnormal or not is judged by combining the structural chart of the house while the water flow sound is positioned; therefore, the position of the abnormal water flow sound is quickly locked, and the quick positioning of the leakage reason position is realized.

A landfill and leachate distribution range detection method based on multiple physical property parameters relates to the field of environmental protection, and comprises the following steps: acquiring a target area selected by a user, and detecting the target area by adopting a multi-frequency electromagnetic method to obtain surface area detection data; determining a preliminary distribution range of landfill and leachate according to the surface area detection data; according to the initial distribution range and the surface area detection data, determining a wiring area of refined detection; detecting electrical structure parameters of different depths in the wiring area by adopting an electrical sounding method, and generating line area detection data; determining a plurality of detection point locations according to the wiring area and the line area detection data; detecting speed construction parameters of different depths in the detection point by adopting a micro-motion method, and generating point area detection data; and inputting the surface area detection data, the line area detection data and the point area detection data into a joint inversion formula to obtain a distribution range result. By implementing the application, the landfill and the percolate in the designated area can be accurately detected.

The invention relates to the technical field of sonar detection, and discloses an inspection well underwater pipeline and flow direction detection method, device, equipment and medium, and the inspection well underwater pipeline and flow direction detection method comprises the steps: obtaining sonar detection data of a plurality of target inspection wells by using target sonar scanning equipment equipped with a jacking rod rail device; the target sonar scanning equipment is used for transmitting an ultrasonic original frequency in a target inspection well and receiving a reflected target ultrasonic frequency; performing three-dimensional modeling on the target inspection wells according to the sonar detection data to obtain a target inspection well three-dimensional model of each target inspection well; according to the three-dimensional model of each target inspection well, determining a pipe orifice circle center coordinate of each target inspection well; the water flow direction of each target inspection well is determined according to the ultrasonic offset frequency data corresponding to the coordinates of the circle center of the pipe opening of each target inspection well, the water flow direction of each target inspection well is determined through sonar detection, and the accuracy of determining the water flow direction of the inspection well is improved.

This invention relates to the field of spectroscopic measurement technology, and particularly to a measurement system and method for measuring the concentration of high-temperature combustion gases in aero-engines. The measurement system includes a supercontinuum laser source, a first collimating mirror, a second collimating mirror, a spectrometer, and a computer. The measurement method includes acquiring the actual transmittance spectrum of the high-temperature combustion gases; calculating the theoretical transmittance spectrum of the high-temperature combustion gases; constructing constraints; fitting the actual transmittance spectrum and the theoretical transmittance spectrum into the constraints; and calculating the concentration of the high-temperature combustion gases. The measurement system has a lightweight structure, requiring only holes for mounting the laser emission and absorption devices on the inner wall of the aero-engine casing. The measurement method uses a supercontinuum laser source, which, compared to ordinary lasers used in active gas detection, offers better spatial coherence, a wider spectral adjustment range, and higher intensity, enabling the detection of more types of gases. The method uses a multi-band combustion gas absorption model to solve for the temperature of the high-temperature combustion gases, improving the accuracy of the concentration calculation.

The invention discloses a cascade double-color photoelectric detector for realizing optical signal amplification based on an avalanche effect, and belongs to the technical field of photoelectric detection and photoelectric imaging. According to the invention, a semiconductor double heterojunction structure from top to bottom is designed, the PIN-type infrared photoelectric detector and the solar blind ultraviolet avalanche photoelectric detector are induced to excite each other through bias voltage regulation and control, and rapid detection of ultraviolet light and infrared light incident to the detector is realized. In this way, the problem that the wavelength range of absorbed light of a traditional detector is limited is solved, ultraviolet band light signals and infrared band light signals are detected at the same time in the target environment, and meanwhile the light current gain of infrared band light signal detection is improved. The invention is suitable for the field of photoelectric detection, improves the detection capability of target light, and improves the light responsivity.

The invention discloses an installation and adjustment system and method for an optical device, and the system comprises a light splitting module and a plurality of detection modules, and the light splitting module is used for dividing the light emitted by the optical device into a plurality of light paths; the plurality of detection modules are respectively arranged on the plurality of light paths and are used for detecting the light of the corresponding light paths, and the light of each light path is transmitted to the corresponding detection module by different optical paths from the optical device. By using the adjustment system provided by the invention, the detection of a plurality of focusing distances of the optical device can be realized at the same time, the repeated adjustment of the plurality of focusing distances is not needed, and the adjustment efficiency and the adjustment precision are improved.

The invention discloses a rotary motor control system and application thereof, the rotary motor control system comprises a sonar calibration device, a rotary motor device, a rotary motor transmission device and a rotary motor cable collection device, the first end of the rotary motor transmission device is used for connecting a pitching motor control system; the second end of the rotary motor transmission device is connected with the first end of the rotary motor device; the second end of the rotary motor device is connected with the first end of the sonar calibration device, and the rotary motor cable collection device is arranged in each device shell. The two bearings are additionally arranged at the two ends of the second step of the rotary cylinder connecting piece respectively and used for reducing rotary resistance, so that rotary motion is more sensitive, and the control precision of a rotary system is improved. A pressure balance air bag is additionally arranged behind the high-precision rotary motor to directly balance internal and external pressure, so that the rotary motor control system can stably work for a long time in a high-pressure environment.

The invention provides a composite detection automatic fire extinguishing system and method suitable for a closed small space, the system comprises a fire extinguishing component, a nozzle, a composite detector, a signal communication component and a power supply module, the fire extinguishing component is connected with the nozzle, the fire extinguishing component is connected with the signal communication component through a signal line, and the composite detector is connected with the signal communication module. The method comprises the following steps: configuring a corresponding number of composite detection automatic fire extinguishing devices according to the number of electrical screen cabinets, and selecting signal communication according to the type of a detector and a communication protocol; fire characteristic data in each screen cabinet are monitored in real time by using a composite detector or a detector group, and the data are uploaded to a signal communication part in real time; the signal communication part compares the fire characteristic data with a set threshold value, and if the fire characteristic data exceeding the threshold value exist, an early warning signal is sent out; and if not, the signal communication component performs data processing and environmental parameter acquisition compensation.

A backlit X-ray diffraction imaging device based on bent crystal coupling includes a high-power pulsed laser source, a metal target, a spherical bent crystal, a dual-focus photon sieve and a detector. The present invention utilizes a spherical bent crystal to converge the divergent X-rays generated by the high-power pulsed laser source loaded on the metal target to perform X-ray backlighting on the object to be measured, and then diffracts and images through the dual-focus photon sieve, and the detector receives the amplified imaging results. Compared with the existing backlit diffraction imaging, the present invention can increase the light flux in the imaging system by three orders of magnitude, increase the detection efficiency of the imaging system, and can achieve two-level zoom, making it simple to change the imaging magnification in experimental detection. Combined with the imaging characteristics of high time / space resolution and large field of view of backlit diffraction imaging, the present invention can be applied to research fields such as plasma fluid dynamics instability imaging and ultrafast biological living cell imaging.

The present application belongs to the field of exploration geophysics, and particularly relates to a transient electromagnetic perspective detection method for water-bearing area in a coal mining face. Measurement points are arranged in two roadways of the coal mining face. A transmitting wire frame is fixed at a first point of a transmitting roadway for transmission, and a receiving wire frame receives at different positions in a certain range of the opposite roadway. The transmitter and the receiver are consistent in time and can synchronously collect. After the first point transmits, the transmitting coil is moved to a next position for transmission at a second point. Similarly, the receiving coil can receive in a certain range of the opposite roadway. After the second point transmits, the third point transmits, and so on until the transmission of the whole roadway is completed. The transmitting roadway and the receiving roadway are exchanged, and the above steps are repeated until the whole face is detected, and then inversion calculation is performed. The present application can solve the problems of low positioning accuracy of water-bearing abnormal body and inaccurate abnormal shape discrimination of the existing mine transient electromagnetic method.

The present invention provides an efficient airborne atmospheric information comprehensive detection and processing system, including: multiple meteorological probe components for acquiring raw meteorological data; an airborne network component for providing an airborne high-speed network interface to achieve high-speed communication and information exchange between airborne components; a meteorological probe interface component connected to the meteorological probe component for converting the interfaces of multiple meteorological probe components into an airborne network interface; a meteorological information comprehensive processing component connected to the airborne network component for receiving raw meteorological data centrally sent from the meteorological probe interface component through the airborne high-speed network interface, and uniformly parsing and processing; a meteorological information display component connected to the meteorological information comprehensive processing component for displaying the parsed raw meteorological data. The present invention realizes efficient detection, processing and intelligent diagnosis of airborne atmospheric information through integrated, modular, networked design, and intelligent health management design.

This application provides a method, apparatus, electronic device, and storage medium for detecting deforestation in forest areas, relating to the field of artificial intelligence technology, to solve the problems of poor real-time performance and high detection costs in forest deforestation detection. The forest deforestation detection method includes: upon detecting the presence of a first feature in a first forest area image, detecting the presence of a second feature in a second forest area image. The first forest area image is acquired by a detection device installed on an outdoor tower. The second forest area image includes all or some features of the first forest area image, and includes the first feature, which is a feature matching the features of deforestation equipment, and the second feature is a feature matching the features of tree felling. If the second forest area image contains the second feature, it is determined that deforestation has occurred in the forest area corresponding to the second forest area image.

A target detection method based on acoustic vortex spatial phase correlation analysis includes: generating a vortex-like excitation sound field; receiving scattered sound pressure information after the acoustic vortex is incident; extracting the correlation coefficient between the scattered sound field spatial phase and the reference phase matrix, predicting the presence, size and spatial orientation of the target, and realizing the target detection function. The invention can achieve small target detection that breaks through the diffraction limit and can detect the target's spatial position; using acoustic vortices as information carriers, it provides new ideas and technical solutions for the field of target detection.

The invention relates to an automatic flaw detection device for a butterfly-shaped casting, the automatic flaw detection device comprises a flaw detection assembly and a fixing tool for fixing the butterfly-shaped casting, the flaw detection assembly comprises an ultrasonic generator, an ultrasonic sensor, flaw detection assembly body equipment and a detection moving part, and the ultrasonic generator and the ultrasonic sensor are integrated on the detection moving part; the detection movable part can transversely move to perform flaw detection on a to-be-detected workpiece, the fixing tool comprises a supporting frame and a fixing frame, the fixing frame can slide relative to the supporting frame to give way to the current space where the fixing frame is located, and the detection movable part is connected with a first contact type detection sensor; a driving assembly for driving the fixing frame to slide is arranged on the supporting frame, and the driving assembly is connected with the first contact type detection sensor and responds to a trigger signal of the first contact type detection sensor; the method and the device have the technical effects that the detection accuracy is improved, and the detection mode is simple.

This application discloses a lidar, a method, apparatus, and medium for controlling the detection area, relating to the field of lidar technology. In this lidar, both the laser and detector are mounted on a moving module. When the moving module moves, it moves the laser and detector, causing changes in the direction of the laser's emitted light and the detector's receiving field of view. This means the detection area can be adjusted, improving the lidar's resolution when the detection area is small. Secondly, because the direction of the laser's emitted light can be moved, an area can be scanned by changing the direction of the emitted light. Therefore, fewer lasers can be used when detecting target objects, reducing costs. Furthermore, by using a collimation module to collimate the diverging light and a focusing module to focus the detection beam reflected back from the target object, detection of distant objects is achieved.

The utility model relates to the technical field of optical communication, in particular to ultra-long-distance optical fiber detection equipment, which greatly improves the optical power of a first optical signal through an optical amplifier, so that the optical signal is subsequently attenuated in an optical fiber to be detected within the length of 300km and then is still kept within the detection range of a first detector; in order to prevent the optical power of a second optical signal obtained after saturation amplification of the first optical signal from still exceeding the detection range of the first detector after being attenuated by the to-be-detected optical fiber, a third optical signal is obtained by estimating the length of the to-be-detected optical fiber and attenuating the second optical signal through a first adjustable attenuator; after the optical power of the fourth optical signal exceeds the detection range of the first detector, the second optical signal is attenuated by adjusting the first adjustable attenuator, so that the fourth optical signal meets the detection range of the first detector; according to the utility model, the to-be-detected optical fiber with the length within 300km can be detected, and the ultra-long-distance to-be-detected optical fiber can be detected.

The application belongs to the field of optical functional materials and detection applications, and relates to a terbium-doped fluorine-oxygen glass scintillator. The application discloses a terbium-doped fluorine-oxygen glass scintillator, which comprises the following components in terms of molar percentage: SiO2: 45-60%, Al2O3: 0-10%, MgF2: 2-10%, NaF: 2-15%, Na2CO3: 1-10%, B2O3: 0-15%, CaCO3: 0-10%, SrCO3: 0-10%, BaCO3: 0-10%, and TbF3: 0-5%. 3+ The application can adjust the terbium-doped fluorine-oxygen glass scintillator by adjusting the concentration of alkali earth metal, the ratio of B2O3 / Al2O3 or TbF3. The material in the application can be customized according to specific applications, thereby expanding the potential application market. The terbium-doped fluorine-oxygen glass scintillator has better performance than traditional scintillation crystals, and is expected to occupy part of the scintillator market by virtue of cost and performance advantages, and has high commercial value and practicability.

The utility model discloses a small-sized portable vibroseis device, which comprises a box body with an opening at the upper end and an accommodating space, a cover body is detachably arranged at the upper end of the box body, a servo motor is arranged in the accommodating space of the box body, a connector is arranged at the output end of the servo motor, and the small-sized portable vibroseis device further comprises three bevel gears, one end of the connector is connected with one bevel gear, the other two bevel gears are in transmission connection with the bevel gear connected with the connector, the other two bevel gears are connected with the eccentric parts respectively, and the servo motor drives the bevel gears to rotate so that the two eccentric parts can coaxially and reversely rotate. According to the utility model, the requirements of near-surface seismic exploration and small-area underground structure time-varying monitoring research can still be met while full miniaturization is carried out and the frequency of exciting the seismic source is improved.

The utility model discloses a near-infrared transmission and reflection mode fusion imaging system. The imaging system comprises an illumination system, a data acquisition system and an information processing system which are connected in sequence, the lighting system comprises a laser; the data acquisition system is used for acquiring near-infrared image information of a test object; and the information processing system is used for providing an image processing and analysis algorithm so as to analyze the near-infrared image information. According to the utility model, on the basis of near-infrared transmission and reflection mode fusion imaging technology, bone defect detection of a position point of the oral implant and the periphery of the implant is realized; based on selection of the near-infrared light source and the near-infrared detector suitable for the oral cavity, clear images can be obtained in the oral cavity environment.

A road vehicle monitoring and height warning system combining traffic radar and 4D millimeter wave radar comprises a radar sensor detection group, a high pitch resolution antenna array unit, a radar layout architecture unit, a cloud data processing unit and a road warning device unit; the radar sensor detection group comprises a traffic radar and a 4D millimeter wave radar; the high pitch resolution antenna array unit is installed on the 4D millimeter wave radar to provide it with high pitch resolution; the radar layout architecture unit installs the 4D millimeter wave radar on both sides of the road and the traffic radar in the middle of the road, so that the radar sensor detection group can detect the information of all vehicles on the road; the cloud data processing unit processes and integrates data, obtains and transmits the unique ID, speed, position and height information of all vehicles on the road, and performs height discrimination on the vehicles; the road warning device unit is installed on the road, receives an alarm instruction, and provides a vehicle over-height warning. The invention can provide height information of road vehicles.

The invention discloses a high-sensitivity single-photon detection system for high-precision ozone profile detection, and the system is characterized in that signal light collected by a telescope enters a micropore diaphragm compression receiving field of view, then passes through a dichroic mirror and is divided into first signal light and second signal light with different wavelengths, the first signal light passes through a first lens and is changed into parallel light, and the parallel light passes through a second lens; the optical signals reach a first high-sensitivity detector through a first narrow-band filter and a first F-P etalon, the first high-sensitivity detector converts the optical signals into electric pulse signals, and a first high-speed pulse counting unit collects the electric pulse signals and uploads the electric pulse signals to an upper computer for processing; the second signal light is emitted through a second light path similar to the first signal light. Through the background light suppression structure, the high-sensitivity detector and the high-speed pulse counting unit, background noise is reduced, the signal-to-noise ratio of the system is improved, and high-sensitivity single-photon detection for high-precision ozone profile detection is realized.

The invention discloses a shallow gas automatic detection device and method based on engineering investigation drilling equipment. The shallow gas automatic detection device comprises a sealing component, a jacking component and a counter-force component. The sensing control component comprises a gas sensor installed on the inner side of the drill rod casing and an independently-arranged controller, and the gas sensor is used for detecting the shallow gas concentration and transmitting sensing information to the controller. In the drilling process, when the concentration of shallow gas in a drill pipe sleeve exceeds an alarm threshold value of a sensor, an automatic control system (controller) starts a jacking component to quickly close a sealing cover, the shallow gas in the drill pipe sleeve is guided to a gas guide pipe and a gas guide hose and then enters a barometer and a gas collection box, and gas pressure measurement and gas collection are achieved; the problem that an existing shallow gas detection device developed on the basis of static sounding equipment is poor in applicability in water area exploration construction is solved.

The invention relates to an ice layer thickness dynamic data acquisition method and system, relates to the technical field of icing sensing, and solves the problem that the whole icing process of a fuselage is difficult to monitor. The method comprises the following steps: acquiring a current ice layer thickness value output by a currently used target device after acquiring the ice layer thickness; the target device is one of the first data detection device, the second data detection device or the dynamic thickness prediction model; the first data detection device is used for outputting a current ice layer thickness value when the ice layer thickness is lower than a first critical value; the second data detection device is used for outputting a current ice layer thickness value when the ice layer thickness is higher than a second critical value; the dynamic thickness prediction model is used for outputting a current ice layer thickness value when the ice layer thickness is in a target range; the target range is larger than or equal to a first critical value and smaller than or equal to a second critical value; and determining a target device for outputting the ice layer thickness next time according to the current ice layer thickness.

The present application provides an appearance detection method and apparatus for a bare cell, a computer device, a computer-readable storage medium, a computer program product, and an appearance detection system for a bare cell, where the method includes: obtaining a cell picture of the bare cell by shooting, the cell picture being obtained by shooting in alignment with positions of tabs on an edge of the bare cell; determining a detection object in the cell picture; and performing appearance detection based on the detection object to obtain detection result information. The cell picture is obtained by shooting in alignment with the positions of the tabs on the edge of the bare cell, such that imaging of cell edges is parallel light reflection imaging, which reduces an impact of a thickness of the cell on the edge authenticity of the tabs of the cell, and ensures the accuracy of image acquisition, thereby improving the accuracy of appearance detection of the bare cell.

The invention discloses a nonmetal pipeline detection positioning device, method and system, and the positioning device integrates a sound generation device, a sound pickup, a main controller and the like through a detection box body, and an operator can carry one detection box body to carry out the detection work of a nonmetal pipeline. The sound generating device and the sound pick-up are used in cooperation, the position of the non-metal pipeline can be accurately determined by emitting the sound with the specific frequency and receiving the echo generated after the sound is transmitted in the non-metal pipeline, and the mode based on sound transmission is not limited by the non-conductive and non-magnetic characteristics of the non-metal pipeline; and the problem of non-metal pipeline detection can be effectively solved. The display device is installed on the detection box body and can display the position information of the nonmetal pipeline in real time. The main controller accurately analyzes and processes sound signals sent by the sound generating device and echo signals received by the sound pick-up, specific signals related to the non-metal pipeline are extracted, and the detection accuracy is improved.

This invention provides a high-speed integrated circuit test loading board calibration adapter and calibration method, belonging to the field of integrated circuit test systems. The calibration method includes: inputting a calibration signal into a signal input unit; the signal input unit inputs the differential signal from the calibration signal to the front probe array and the back probe array respectively, and inputs the common signal from the calibration signal to the front probe array and the back probe array; acquiring the position of the coordinate origin in the images of the front probe array and the back probe array; mapping the coordinates of all pads on the front probe array and the back probe array to the probe points of the probe card; and moving the probe card in the xyz direction according to the coordinates of the pads to achieve calibration of the loading board. The calibration method provided by this invention has the characteristics of high positioning accuracy, fast response speed, and ease of use.

The application provides a method and system for detecting radial velocity of a flow field, and the system for detecting radial velocity of a flow field is used to generate a common Gaussian light beam and a high-order vortex light beam with a non-zero radial coefficient; the high-order vortex light beam is used to irradiate a measured fluid and pass through the measured fluid to generate target detection light carrying radial information of the fluid, and the common Gaussian light is interfered with the target detection light to generate a heterodyne interference signal; a detector is used to detect the heterodyne interference signal and analyze a Doppler spectrum; and the radial velocity of the measured fluid is determined according to the Doppler spectrum. When the detection light irradiates the measured fluid, fluid particles in the measured fluid move radially in a light spot of a high-order vortex light beam orthographic projection, the application uses the high-order vortex light with an intensity distribution in the radial direction to detect the flow field to generate a Doppler effect, so that the radial velocity of the flow field is detected, and therefore the application has a wide application scenario.

The invention provides a remote sensing water depth detection method, medium and system based on blue-green laser, which belongs to the field of water depth measurement technology, and includes: first, obtaining blue light and green light laser signals with known transmission power, and collecting water surface reflection and water bottom reflection data under different incident angles. Based on these data, a laser incident angle matrix is ​​established to calculate the water surface reflection coefficient and the water surface transmission coefficient. At the same time, an atmospheric transmission matrix is ​​established according to meteorological parameters to calculate the transmission loss of the laser signal in the atmosphere. Then, a water surface fluctuation model is established to separate the water surface reflection and water bottom reflection signals. Using the blue-green dual-wavelength signal intensity ratio matrix, combined with the optical characteristics of the water body, a water depth calculation equation group is established. Finally, according to the propagation time difference and equivalent propagation speed of the laser signal in the water, the water depth equation group is solved, and finally a water depth topographic map is obtained. The problem that the prior art cannot separate the water surface reflection signal and the water bottom reflection signal, which affects the measurement accuracy, is solved.

A three-band common aperture multifunctional optical system. The invention belongs to the field of optical imaging technology, and specifically relates to the technical field of multi-band common aperture optical systems. The invention solves the problem that the previous multi-band common aperture optical systems cannot realize integration, multifunctionality and miniaturization at the same time. The three-band common aperture multifunctional optical system comprises: a primary mirror L1, a secondary mirror L2, a multi-band compensation mirror group L3, a first reflector L4, a first beam splitter L5, a second reflector L6, a medium-wave infrared mirror group L7, a third reflector L8, a laser and short-wave infrared common mirror group L9, a second beam splitter L10, a laser emission mirror group L11, a fiber optic light source S1 and a short-wave infrared mirror group L12. The system comprises an imaging optical path and a laser emission optical path.