28results about How to "Achieve observation" patented technology

The invention discloses a non-vision field imaging detection method and system fused with an event camera, and the method comprises the following steps: enabling the event camera and a standard optical camera on a detection prototype to be aligned with a ground region of a corner, forming a video file based on a tiny pixel color difference amplification technology, and carrying out the calculation and analysis of the video file; processing the video file by using an image matching algorithm, and eliminating noise by using Kalman filtering; establishing a linear system, and then obtaining a reconstructed image by using a forward transmission light intensity function; performing Euler video amplification processing on the reconstructed image, wherein the Euler video amplification comprises motion estimation, spatial decomposition, time filtering and signal enhancement; detecting the detection area, and mapping the motion track of the target hidden behind the corner to a two-dimensional plane; the system comprises a simulation scene construction module, a three-dimensional point cloud set construction module and an information integration module. According to the invention, a micro motion algorithm and optical flow calculation are popularized to non-vision field imaging, so that the optical imaging technology can act on a vision field range and also can act on a non-vision field range.

The utility model discloses a cell observation equipment with double camera module, including observation platform, first camera and second camera, and observation platform has a transparent observation area, and the observation area is used for placing the object to be observed, and the first camera is set below the observation area, is used for gathering the image information of observation area, to obtain the position of the object to be observed, and the second camera is set below the observation area, and the second camera is closer to the observation platform than the first camera, and the second camera can move to the just below the object to be observed according to the position of the object to be observed, to utilize the second camera to observe the object to be observed. The utility model discloses technical scheme has improved the alignment efficiency and alignment accuracy.

This application discloses a camera device including a rotating assembly. The rotating assembly includes a second rotating frame, which has an end plate, a first support arm, and a second support arm. The end plate extends along a direction parallel to a fourth axis. The first and second support arms are respectively connected to both sides of the end plate and extend along a direction parallel to a third axis. The first support arm has a first mounting hole, and the second support arm has a second mounting hole. The axis of the first mounting hole coincides with the axis of the second mounting hole. The technical solution provided by this application can achieve comprehensive observation of a large scene.

The application belongs to the field of positioning, and particularly relates to a submerged load distributed ultra-short baseline positioning system and a positioning method. The application discloses a submerged load distributed ultra-short baseline positioning system and a robust positioning method thereof, which effectively overcomes the problem that the positioning results of a traditional ultra-short baseline positioning system are inconsistent under limited observation space and different array patterns. By arranging acoustic elements at multiple positions on the surface of a submarine, a distributed acoustic array is formed, and the observation space of the submarine is expanded. Meanwhile, a robust positioning method is proposed by introducing azimuth constraints, and the robustness of the acoustic positioning result to array changes is enhanced. Through the application, the observation of the acoustic array on the submerged load to a target in the whole space can be realized, and stable positioning accuracy can be maintained when part of the acoustic elements fail.

The present application relates to a kind of microscope systems, in particular to a kind of short wave infrared waveband confocal microscopic system.The system includes bright / dark field microscopic subsystem, photonic emission microscopic subsystem, short wave infrared laser scanning confocal microscopic subsystem, fluorescent confocal microscopic subsystem, control module.The system presented in the present application can be through the electrical light emission and / or photoluminescence emission of semiconductor device in integrated circuit, obtain short wave infrared fluorescence lifetime curve, that is, the determination of semiconductor defect type can be made.In addition, the system uses the structure of multiple subsystem optical path multiplexing in structural design, while collecting the short wave infrared fluorescence generated by excitation defect or failure point, and has higher integration, only using the single system presented in the present application can realize the observation, positioning and failure analysis of defect or failure point.

This invention proposes an on-orbit autonomous geometric calibration method and system for wide-field-of-view optical remote sensing satellites. The method includes: camera imaging and transmitting the captured images to an on-board calibration type autonomous identification module; the on-board calibration type autonomous identification module, combined with satellite orbit and attitude data, determines whether the camera's field of view simultaneously images deep space and the ground; if both exist simultaneously, the Earth's edge is extracted as the boundary between stars and landmarks to delineate their distribution areas; if not, the calibration point type is explicitly determined to be either a landmark or a star; based on the calibration point type, the corresponding image is transmitted to an on-board stellar autonomous calibration module or an on-board landmark autonomous calibration module, and geometric calibration parameters are calculated; the calculated calibration parameters are transmitted to an on-board information processing unit for satellite imaging. This invention ensures the geometric calibration accuracy across the entire field of view of the camera; it avoids the process of transmitting satellite images down to the ground for calculation, thus improving the real-time performance of the calibration parameters.

The present invention discloses a two-dimensional magnetic lattice vibration experimental device and method. It includes an oscillating component, a shooting component and an oscillator mechanism. The oscillator mechanism is provided with a plurality of oscillators with magnets. The oscillating component is used to touch the oscillator to oscillate and conduct a two-dimensional lattice vibration experiment. The shooting component is used to shoot the two-dimensional lattice vibration experiment. The oscillator mechanism includes two different "spring-magnet" oscillators. Each "spring-magnet" oscillator includes a closely wound spring, a columnar hollow magnet and a rubber ring. The upper end of the closely wound spring is provided with a columnar hollow magnet, and the lower end of the closely wound spring is inserted into a square acrylic plate. The present invention is used to "macroscopically" simulate the phonon and lattice wave phenomena in the crystal lattice. By adjusting parameters such as the vibration amplitude and frequency, the physical experiment teaching of the phonon band theory is made more intuitive. By changing the periodicity and spatial structure of the magnetic oscillator, the characteristic differences of the two-dimensional lattice vibration mode and the mechanical wave behavior under different interactions can be shown.

The utility model discloses a toy cabin, which belongs to the technical field of toy cabins, and has the technical key points that the toy cabin comprises a bottom plate, a support frame is spliced and mounted on the bottom plate through a wallboard mounting mechanism, and when the wallboard mounting mechanism is used for splicing and mounting, an integral splicing structure of the toy cabin can be realized. The toy house can be used for simulating opening and closing of a door, splicing construction of a plurality of toy houses can be completed, a glass roof of the toy house can be well simulated through a second cover plate on a fixed frame and a first cover plate on a rotating frame, splicing construction of the glass roof can be achieved, and observation of the interior of the toy house can be achieved. Through the arranged limiting mechanism, the rotating frame can be shifted to drive the first cover plate to turn over by a certain angle, so that the first cover plate on the rotating frame is in a standing and supporting state, the using interestingness of the toy is greatly improved, and the toy has the advantages that splicing is convenient, the roof angle can be adjusted, and the interestingness is high.

The invention relates to an omni-directional wheel train, an omni-directional frame, an omni-directional moving platform and a bearing platform, the omni-directional wheel train comprises two side supporting plates, a wheel set with the two ends rotationally connected to the middle ends of the two side supporting plates respectively, a wheel carrier with the lower end rotationally connected to one ends of the two side supporting plates respectively, and a damping assembly; the upper end of the wheel frame is horizontally bent to form a transverse structure located over the wheel set, and the transverse structure is provided with a rotatable rotation gear. The damping assembly comprises a fixed blocking rod, a damping rotating shaft and at least one damping pair, wherein the two ends of the fixed blocking rod are rotationally connected to the other ends of the two side supporting plates correspondingly, the two ends of the damping rotating shaft are rotationally connected to the transverse structure, and the two ends of the damping pair are connected to the fixed blocking rod and the damping rotating shaft correspondingly. By the adoption of the technical scheme, the technical problems that when the load gravity center of an existing wheel train is biased, a vehicle body swings, steers unstably and even rolls over can be solved.

A large cell factory incubator with a real-time monitoring system belongs to the field of cell culture monitoring technology. It includes a box, a tray arranged in the box, a cell factory and a control system. The cell factory is placed on the tray, and the tray is placed on the tray bracket at the bottom of the box. An upper real-time observation device and a lower real-time observation device are respectively arranged in the box top plate at the top of the cell factory and the tray bracket at the bottom of the cell factory. The upper real-time observation device and the lower real-time observation device are relatively arranged. The imaging device of the upper real-time observation device and the lower real-time observation device are controlled by the control system to move or the light source is rotated to observe the growth state of cells in the cell factory in real time, and the heating module, CO2 concentration control module, and humidification module are controlled according to the growth state of the cells. The present invention can observe the growth state of cells in the incubator in real time, and adjust the environmental parameters in the incubator in real time to meet the growth needs of the cells.

The upper cover assembly is installed on a machine body of the respiratory humidification therapeutic apparatus and comprises a cover body, the cover body is provided with an installation part and a control part, the installation part is installed on the machine body, the control part and the installation part are arranged in an included angle mode, and the control part is provided with a control screen extending in the inclined direction; the upper cover assembly further comprises a rear cover located between the installation part and the control part, and the rear cover, the cover body and the machine body are matched to define an installation cavity used for installing the driving module. Under the condition that the therapeutic apparatus is placed in the middle of the table top and a certain distance exists between the therapeutic apparatus and an operator, a user does not need to move the position of the therapeutic apparatus, the control screen can be observed and operated at the edge of the table top, and the use experience of the user is optimized. Besides, the upper cover assembly further comprises a rear cover located between the mounting part and the control part, the rear cover, the cover body and the machine body are matched to define a mounting cavity, a relatively closed working environment is provided for the driving module in the machine body, and adverse interference of the external environment to the driving module is reduced.

The invention discloses intelligent micro-fluidic living cell culture observation and analysis equipment, and relates to the technical field of cell culture.The intelligent micro-fluidic living cell culture observation and analysis equipment comprises a base body, the base body is provided with a hollow cavity, a chip assembly is installed in the cavity, and the front section and the rear section of the base body are provided with a sample inlet pipe and a sample outlet pipe which are communicated with the chip assembly respectively; a culture chamber is arranged in the middle of the body, at least two sample introduction substrates are arranged at one end part of the body, and at least two sample discharge substrates are arranged at the other end part of the body. The valve rod disclosed by the invention solves the problem that a stable growth environment of cells cannot be provided in the prior art, and effectively controls influence factors such as air pressure, perfusion and temperature in a cell culture process.

The present invention relates to the field of signal denoising technology, and in particular to a method for purifying Beidou navigation satellite observation data under a complex electromagnetic background. The method comprises the following steps: obtaining satellite observation site location data and satellite location data; performing satellite signal acquisition on the satellite observation site based on the satellite observation site location data and satellite location data to obtain a satellite observation site receiving signal; discretizing the satellite observation site receiving signal into a multi-angle initial signal to generate an initial satellite observation comprehensive signal discrete graph. The present invention improves the recognition capability and filtering efficiency of interference signals through systematic interference identification, signal purification, multi-angle processing and automated precision optimization, thereby weakening the problem of electromagnetic interference to Beidou navigation satellite signals under a complex electromagnetic background, which not only improves the flexibility of the site selection of Beidou navigation satellite continuous observation stations, but also improves the accuracy and stability of its positioning, navigation and timing services.

The invention discloses an astronomical positioning measurement system and method based on a composite theodolite. The measurement system comprises a theodolite body, a main control board group, a telescope system, a driving device, a Beidou system and a north-seeking system, the telescope system is used for measuring satellites, the telescope system is electrically connected with the main control board group, and the telescope system can rotate to adjust an azimuth angle and a pitch angle; the driving device drives the telescope system to rotate to adjust the azimuth angle and the pitch angle; the Beidou system is used for providing time and position coordinate information data of a current test point and realizing time service and time synchronization, and the Beidou system is electrically connected with the main control board group; and the north-seeking system is used for seeking the due north direction of the current test point and is electrically connected with the main control board group. The measuring system can realize all-day observation of a fixed star on the ground, can measure and record angle coordinate information calculation of the fixed star at different moments, realizes positioning measurement in an inertial coordinate system, can automatically control the measuring process, and can realize automatic measurement.

This utility model discloses a protective performance testing device for the risk of damage to the rotating components of a centrifuge. The device includes a housing with a door. A splash tracking unit is located around the top perimeter of the housing. An angle measuring unit and a splash collection unit are located at the bottom of the housing. A speed monitoring unit is located on the side wall or top of the housing for alignment with reflective markings on the centrifuge spindle. This utility model integrates the splash tracking unit, angle measuring unit, splash collection unit, and speed monitoring unit within a sealed housing, creating an integrated testing system for the displacement, rotation angle, movement distance, and scattering distance of fragments after damage to the rotating components of a laboratory centrifuge. It can simultaneously perform multiple tests, including explosion protection, fragment scattering distance measurement, and equipment attitude stability assessment, achieving simultaneous measurement of multiple parameters and active safety protection, significantly enhancing the product's safety attributes.

The utility model relates to the technical field of agricultural machinery, and provides a compound fertilizer particle anti-caking device which comprises a storage cylinder, a top cover is arranged at the top of the storage cylinder, crushing mechanisms are arranged on the two sides of the bottom of the top cover, a first motor is fixedly connected to the middle position in the top cover, and a second motor is fixedly connected to the middle position in the top cover. The output end of the first motor is fixedly connected with a stirring rod, a spiral conveying blade is arranged outside the stirring rod, small-particle compound fertilizer naturally falls into the bottom, large-particle caked compound fertilizer is conveyed to the top, and after the crushing mechanism is started, the compound fertilizer can be crushed and then falls into the lower portion of the interior of the storage barrel from the net face to be continuously stored. And meanwhile, continuous anti-caking operation is achieved, and the technical problems that in the prior art, if caking occurs at the bottom after falling into the bottom, it is difficult to input the caking into the upper portion again to be crushed, and the storage limitation is large are solved.

The invention provides a sand stabilization and water retention device for water and soil conservation and a method thereof, and relates to the technical field of sand stabilization and water retention equipment. Comprising an adjusting column, the adjusting column comprises a column body, the interior of the column body is hollow and provided with a spiral baffle, and the spiral baffle is arranged in the length direction of the adjusting column; a water storage cavity is formed in the bottom of the column body, a water diversion port is formed in the top of the column body, and a water diversion port is formed in the side face of the column body; the two ends of the adjusting column are located on the earth surface and underground respectively, and heat conduction is conducted through the difference between earth surface temperature and underground temperature to adjust earth surface temperature. Compared with the prior art, water collection can be achieved through the temperature difference between the sand land surface and the underground, the surface temperature can be adjusted through heat conduction, the influence of high and low temperatures on seed growth is reduced, sand land treatment and conversion are achieved by improving the sand land ecological environment, and guarantee is provided for agricultural use and forest use.

The utility model relates to a plastic bottle cap, in particular to a sealing plastic bottle cap which comprises a plastic bottle cap body, a sealing ring is fixedly connected to the interior of the side wall of the plastic bottle cap body, a sealing bottle cap is fixedly connected to the interior of the plastic bottle cap body, the sealing bottle cap is fixed to a bottle opening in a threaded mode, and an elastic pressing mechanism is fixedly connected to the exterior of the sealing bottle cap. The bottom of the elastic pressing mechanism is fixedly connected with a fixing plate, the bottom of the fixing plate is fixedly connected with a sealing ring, the side wall of the sealing ring and the side wall of the fixing plate are both attached to the inner wall of the plastic bottle cap in a sliding mode, the outer portion of the bottle body can be sealed through the arranged sealing ring, and the sealing ring is attached to the plastic bottle cap in a sealing mode. After the sealing bottle cap and the bottle opening are fixed in a threaded mode, if a loose state exists, the sealing ring can be attached to the bottle body to prevent water flow from leaking out, and the risk of water leakage after the bottle cap is loosened is reduced.

The invention discloses a preview imaging method, device and equipment for a transparent fluorescent sample, and the method comprises the steps: carrying out the shooting of a transparent fluorescent slice, and obtaining a transparent preview; switching a fluorescent light filter or a light source until a plurality of fluorescent channels for developing the transparent fluorescent section are obtained; determining a preview scanning area according to a sample position range in the transparent preview, selecting a target fluorescent channel from a plurality of fluorescent channels to perform coverage scanning on the transparent preview based on the determined preview scanning area to obtain a plurality of view images, and splicing the plurality of view images to generate a large preview scanning image; zooming the large preview scanning image to be the same as the preview scanning area in size, and replacing a corresponding area in the transparent preview image with the zoomed large preview scanning image to obtain a replaced preview scanning image; and identifying and framing a sample scanning area in the preview scanning image to obtain a target preview image. A sample scanning area can be clearly identified and framed, and the accuracy and efficiency of scanning are improved.

The invention belongs to the technical field of intelligent unmanned systems, and particularly relates to a towing distance device suitable for limit control and an unmanned motorcycle. The dragging distance changing device comprises a handlebar rotating shaft, a double-shoulder front fork, a handlebar upper holding piece, a handlebar lower holding piece, a double-shoulder front fork upper holding piece and a double-shoulder front fork lower holding piece. Wherein the handlebar upper clasping piece and the handlebar lower clasping piece are fixed on the handlebar rotating shaft, and the double-shoulder front fork upper clasping piece and the double-shoulder front fork lower clasping piece are fixed on the double-shoulder front fork; the double-shoulder front fork upper enclasping piece and the handlebar upper enclasping piece are connected through a connecting piece to form a revolute pair; a sliding groove is formed in the handlebar lower enclasping piece, a connecting piece is arranged to penetrate through the sliding groove to be connected with the double-shoulder front fork lower enclasping piece, the double-shoulder front fork lower enclasping piece can move in the sliding groove, and therefore the angle between the double-shoulder front fork and a handlebar rotating shaft is changed.

The invention relates to a projection device and a vehicle. The projection device comprises a shielding column and a projection assembly, the projection assembly comprises a first holographic projection sheet and a second holographic projection sheet, and the first holographic projection sheet is used for receiving light rays on the side, away from the observation point, of the shielding column and refracting the received light rays to the second holographic projection sheet; and the second holographic projection sheet is used for reflecting the received light to an observation point. According to the projection device, the light of the shielded scene is refracted and reflected to the observation point through the projection assembly for observation, and normal observation of the shielded scene is achieved. When the shielding column is applied to a vehicle, the shielding column can be an A column of the vehicle, so that a driver at a driving position can see the scene outside the A column, and the driving safety is improved.

The invention discloses a microwave band loss type metasurface lens for observing chiral singular points, and relates to the field of metasurfaces. The invention aims to solve the problem that a plasmon surface is difficult to form in a microwave band, so that loss is introduced. The microwave band loss type metasurface lens for observing the chiral singular point comprises a plurality of double-resonance-ring units arranged in a rectangular array, and each double-resonance-ring unit comprises a dielectric plate, a split-ring resonator and a line structure; the split resonant ring comprises three coaxially nested rectangular rings and a rectangular sheet located at the center of the innermost rectangular ring, and an opening is formed in one side of the outermost rectangular ring; the line structure is in an I shape; the split resonant ring and the line structure are both fixed on the dielectric plate, and a gap is reserved between the split resonant ring and the line structure. According to the invention, under the condition that a plasmon surface is not formed, through coupling resonance modes in two orthogonal directions and introducing loss, observation of an X-band singular point is realized.

This utility model discloses a cleaning mechanism and an internal working device for a generator enclosed busbar. It includes a cleaning component with cleaning blades for cleaning dust from the surface of insulators, a driving component mounted on the cleaning component to control its movement, and a driving tenon at the driving end of the driving component. A mounting assembly is disposed between the driving component and the cleaning component, including a receiving cavity inside the cleaning component, and connecting plates one and two for transmission connection between the driving component and the cleaning component. The advantages of this utility model are that by driving the cleaning component and cleaning blades to rotate, the cleaning of dust on the surface of fixed insulators can be achieved. Simultaneously, the cooperation of the receiving cavity and mounting sleeve, among other related structures, achieves the effect of embedding the driving component within the cleaning component, making the entire cleaning mechanism more compact, reducing its volume, improving the movement efficiency of the cleaning component, and making the cleaning mechanism lightweight and easy to operate in confined spaces.

This invention discloses a method and system for generating precise control actions for a dual-system medical laboratory robotic technician. The method comprises the following steps: a high-order semantic planner performs semantic analysis on multi-frame temporal visual data from a visual observation system and a structured subtask list from a top-level LLM planner using a two-stage cosine similarity semantic alignment retrieval mechanism to generate atomic instructions conforming to medical standards; a low-order action generator receives and processes the atomic instructions to generate a sequence of robotic arm action trajectories; the robotic arm executes the operation according to the generated action trajectory, delivering the sample container to be analyzed into the clinical testing equipment. The system includes an execution system equipped with dual robotic arms, a visual observation system, and a control system. Through the synergistic effect of the two-layer architecture, this invention minimizes the risk of error accumulation in long-sequence operations.

The utility model discloses a 5G-A sensing fusion accurate positioning data acquisition terminal, which comprises a communication module, a positioning module, a data acquisition module, a processing module and a power supply module, the communication module is a 5G-A chip; the positioning module comprises a satellite positioning chip and an accelerometer; the data acquisition module comprises a temperature sensor, a carbon monoxide sensor, a thermal imaging sensor and a multispectral camera; the processing module is an MCU chip and is used for processing the positioning signals and the collected data. The acquisition terminal disclosed by the utility model can realize forest fire searching, observation and positioning, and has the advantages of accurate observation result, low false alarm rate and high positioning precision.

The invention discloses a method for identifying adversity stress of roots of vegetable and fruit crops in the seedling stage, and belongs to the technical field of root development research of plants in the seedling stage. The method for identifying the adversity stress of the roots of the vegetable and fruit crops in the seedling stage comprises the following steps: (1) assembling a root identification research device which comprises a root growth observation container, a feeding module, a container bracket, a receiving disc and an observation device which are arranged in a matched manner; (2) filling a growth medium; (3) seedling raising and field planting; (4) plant growth management; and (5) observing plant root and overall growth and development. Aiming at the defects of the existing fruit and vegetable crop root system adversity stress identification research method, the growth environment of the actual fruit and vegetable crops can be simulated by applying a low-cost simple device, and various independent or composite adversity stress identification of water, fertilizer, pesticide and the like can be remotely and automatically carried out; and continuous growth and development observation and research of root adversity stress response can be carried out.

This invention relates to the field of optical measurement and discloses an airborne remote sensing instrument based on a Fourier spectrometer. Target radiation enters the front optical path assembly through a scanning mirror, then through a 45° plane mirror and a plane mirror window in the front optical path, and finally through two 45° plane mirrors inside the transmission optical path assembly before entering the interferometer assembly. After passing through a moving mirror, a fixed mirror, and a beam splitter inside the interferometer assembly, it enters the room-temperature optical assembly inside the telescope, and then through the room-temperature optical assembly and the plane mirror window before entering the low-temperature optical assembly inside the Stirling refrigerator. Finally, the detector converts the interference signal generated by the interferometric optics into an electrical signal, which is then processed, amplified, digitized, and transmitted to a computer data storage system.

The utility model relates to the technical field of metallurgical workpiece surfacing devices, in particular to a metallurgical workpiece high-efficiency surface surfacing device which comprises a shell, a plurality of arc-shaped arc-shaped arc-shaped arc-shaped arc-shaped arc-shaped arc-shaped arc-shaped arc-shaped arc-shaped arc-shaped arcs, a protection structure is installed on the front face of the shell and comprises limiting plates, the limiting plates are fixedly installed on the upper side and the lower side of the front face of the shell, a right moving glass door and a left moving glass door are slidably installed on the inner sides of the limiting plates, and a fixed spherical shell is fixedly installed on the left side wall of the right moving glass door. A movable ball block is movably installed on the inner side of the fixed ball shell, an observation mirror is fixedly installed on the inner side of the movable ball block, and a spring is fixedly connected to the bottom face of the movable ball block. The movable observation mirror is arranged on the right movable glass door, the surfacing welding condition can be clearly observed through the observation mirror, the angle of the observation mirror can be adjusted, comprehensive observation can be guaranteed, and the practicability of the device is improved.