73 results about "Height finder" patented technology

The invention relates to the technical field of elevation measurement, in particular to an unmanned aerial vehicle height measurement method and system based on data fusion. The method comprises the following steps: acquiring various influence data of the unmanned aerial vehicle at each moment; according to the distribution condition of the influence data, the abnormal degree of each influence data is obtained, and then effective influence data is screened out; based on the effective influence data and the distribution condition of the abnormal degree of the effective influence data, obtaining a reliability degree; and correcting the fixed weight of each altimeter according to the reliability degree of each type of influence data and the abnormal degree of each type of influence data at the termination moment of the preset time period, obtaining the corrected fixed weight, and then obtaining the real height of the unmanned aerial vehicle. According to the invention, each type of influence data is analyzed, the modified fixed weight of each height measuring instrument is accurately determined, the real height of the unmanned aerial vehicle is accurately obtained according to the modified fixed weight of each height measuring instrument, and the flight state of the unmanned aerial vehicle is accurately analyzed.

The utility model relates to the technical field of foundation treatment construction, in particular to an automatic pounder hooking recognition and compaction settlement measurement device for a dynamic compaction machine. Comprising a stay wire type altimeter, an automatic unhooking mechanism and a hook head mechanism, and the hook head mechanism comprises a hook head drag hook, a pressure sensor connected to the outer side of a hook head rotating shaft and a hook head pressure spring connected to the outer side of the upper end of the hook head drag hook; the automatic unhooking mechanism comprises an automatic unhooking starting device connected to the upper portion of the hook head protrusion, and the stay wire type altimeter is connected to the upper end of the automatic unhooking starting device. The device is simple in structure, reasonable in design and convenient to use, not only can realize automatic unhooking, but also can realize state monitoring, can accurately measure the compaction settlement, saves the labor intensity, improves the working efficiency, and creates better economic value and economic benefit.

The invention belongs to the technical field of three-dimensional positioning of aircrafts, and discloses a communication and guide integrated aircraft positioning method and system. The system comprises a satellite communication module, a GNSS receiver, a ground network module, a PPP / INS combined positioning module, an RTK / INS combined positioning module, an inertial measurement unit, a radio altimeter, an air pressure altimeter, a laser altimeter, a position comprehensive judgment module and a track correction module. External signal sources comprise a GEO communication satellite, an LEO communication satellite, a GNSS navigation satellite and a 4G / 5G ground network. The method solves the problem of inaccurate positioning of the aircraft, can obtain a reliable high-precision positioning result, and is used for correcting the flight path of the aircraft.

The application provides an automatic system and an assembling method of double-line supply integrated assembly, which comprises a first supply line and a second supply line, the first supply line and the second supply line are collected to a positioning assembly output line through a robot taking materials, the first supply line comprises a multi-axis running feeding machine and a secondary positioning platform in sequence, the second supply line comprises a flying feeder, an adsorption material taking device, a clamping material taking device, a point laser height measuring instrument and an upper visual positioning scanning module are arranged on an execution end of the robot, the positioning assembly output line comprises a lower visual positioning module and a product circulation mechanism in sequence, a positioning installation station is arranged on the product circulation mechanism, a material positioning module and a material blocking module are arranged at the positioning installation station, and the execution end of the robot is matched with the flying feeder, the secondary positioning platform, the lower visual positioning module and the positioning installation station in sequence. Through the double-line supply cooperation, multi-stage visual positioning and full-process automation design, the efficiency bottleneck and the precision problem in the assembly of special-shaped parts are effectively solved.

The utility model discloses a height-adjustable height-limiting rod for municipal roads, which particularly relates to the field of municipal roads and comprises a height-limiting body, and a lifting support shaft is connected to the top of the height-limiting body in an embedded manner; a top plate is fixedly connected to the middle of the top of the lifting supporting shaft, a connecting transverse plate is fixedly connected to the bottom of the top plate, and a buffering assembly penetrates through the hollowed-out portion of the connecting transverse plate. The height of the height measuring body is adjusted through the lifting supporting shaft when the height measuring device is used, different road condition requirements are flexibly met, the top plate and the front plate not only stabilize the structure, but also integrate the height measuring instrument and the warning light bar, and the height measuring instrument automatically detects the height of a vehicle and prevents an over-limit accident; the buffer assembly and the buffer plate pad can effectively absorb impact force, protect vehicles and facilities from direct impact and reduce accident loss, the reflective stripe can enhance visibility at night and guarantee driving safety, and the combination of the driving motor and the heightening column enables height adjustment to be more accurate and efficient.

1. The name of the design product: touch high. 2. The use of the design product: for jumping touch high exercise. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The application provides a laser scribing height measuring method, comprising the following steps: controlling a horizontal motion platform to move in a horizontal plane, wherein the movement of the horizontal motion platform in the horizontal plane at least comprises an acceleration stage and a deceleration stage; when the horizontal motion platform starts to move, controlling a height measuring instrument to start to sample at a predetermined period, so that the height measuring instrument obtains height data of a measuring target at multiple positions at least in one of the acceleration stage and the deceleration stage; performing function approximation processing on the height data obtained by the height measuring instrument, to obtain a function formed by the height data and motion coordinates; and determining the height of the measuring target on the function according to processing coordinates of laser scribing. The laser scribing height measuring method provided by the application can measure in the whole movement process of the horizontal motion platform, and is beneficial to improving the efficiency and precision of laser scribing.

The invention discloses an electric altitude touch device which comprises a base, and a first power source and a first circuit board are arranged in the base. The linkage mechanism comprises a motor, the motor is in electric signal connection with the first circuit board, the motor is fixed to the end of the base, a linkage lead screw is fixedly connected to the motor, and the linkage lead screw is sleeved with a lead screw nut; the height touch block is fixedly connected with the lead screw nut, a slapping cover plate is arranged on the height touch block, a second power source and a second circuit board are arranged in the height touch block, the second circuit board is in electric signal connection with the first circuit board, a slapping key is arranged on the second circuit board, and the slapping cover plate abuts against the slapping key. When a user hits the panting cover plate, the panting key is triggered and sends a control signal to the first circuit board through the second circuit board, the motor is controlled by the first circuit board to rotate by a fixed number of turns, and therefore longitudinal movement of the height reaching block is achieved, and compared with traditional physical linkage control, electric signal control of the product is more accurate and effective, and the user experience is improved. And the stability of man-machine interaction can be effectively ensured.

The present invention provides a method, device and electronic equipment for satellite laser altimetry positioning under complex terrain, belonging to the field of satellite laser positioning. The method includes: obtaining a footprint image of a laser footprint to be measured, a laser echo signal and the corresponding image point coordinates of the laser footprint to be measured in the footprint image; performing image segmentation on the footprint image to obtain a ground object segmentation image, constructing a multi-component echo energy model based on the laser echo signal, determining the optimal Gaussian component based on the ground object segmentation image, the multi-component echo energy model and the image point coordinates; and solving the altimetry positioning result based on the optimal Gaussian component. The present invention can flexibly select Gaussian components by performing image segmentation on the footprint image to obtain a ground object segmentation image in satellite laser altimetry under the full waveform laser altimeter plus laser footprint camera mode. It can effectively select the nearest Gaussian component of satellite laser altimetry under various complex terrains, effectively reducing the error of satellite laser altimetry.

An interval tunnel through measurement method relates to the technical field of tunnel measurement, and comprises the following steps: A, moving a measurement device to a measurement part; b, the height of the measuring device is adjusted, so that the measuring instrument is located at the needed height; c, the parallelism measuring equipment is adjusted through a positioning instrument on the measuring device, height detection is carried out through a height measuring instrument after adjustment is completed, the measuring device comprises a moving trolley, a power source, a PLC and a lifting mechanism are installed on the top of the moving trolley, a wireless transceiver is assembled on the PLC, and the lifting mechanism is connected with the power source. According to the interval tunnel cut-through measurement method, measurement is convenient, the trouble that a worker needs to repeatedly move measurement equipment for measurement is avoided, time and labor are saved, and therefore the measurement efficiency is improved.

The invention provides a high-latitude ionosphere phase flicker prediction method based on a segmented recurrent neural network, and belongs to the technical field of aviation navigation. According to the method, four kinds of heterogeneous data of a super dual aurora radar, an altimeter, a geomagnetic solar activity index and ionospheric scintillation are integrated, and a minute-level fusion data set is constructed through space-time registration; complementing missing values by using a self-attention neural network and keeping data distribution characteristics; a segmented recurrent neural network model is innovatively designed, cross-day scale long-range dependence and minute-level sudden flicker evolution characteristics are synchronously captured through a double-path state transfer architecture, and continuous high-precision prediction of flicker phases is achieved. A time decay weighted evaluation mechanism is adopted to carry out non-linear penalty on the deviation of the starting moment and the ending moment of flicker, and the robustness of the model in complex space weather is verified. The support efficiency of the dynamic suppression strategy of the navigation receiver is remarkably improved, and the positioning stability in the polar region ionosphere environment is enhanced.

The invention discloses a satellite laser footprint position forecasting method considering a fixed field, and relates to the field of satellite laser altimeter in-orbit geometric calibration. The method comprises the steps of setting a fixed field center point coordinate; selecting a nearest sub-satellite point trajectory to forecast a satellite top crossing moment; calculating a side swing angle, a pitch angle or laser delay light emitting time of a satellite platform so as to enable the laser footprint to accurately fall on the fixed field detector array; before the satellite passes through the top, parameters are uploaded, enough execution time is reserved, and meanwhile a ground detector is started up in advance; when the satellite passes the top, laser is emitted to trigger the detector. According to the method, satellite parameters are actively regulated and controlled, the problem of low efficiency of a traditional passive waiting mode is solved, the footprint position forecasting precision is controlled within 20 meters, the calibration success rate and efficiency are remarkably improved, and the operation cost is reduced.

A method includes providing a radar sensor onboard a vehicle, and providing one or more active radar beacons around a landing point. Each beacon generates one or more man-made echoes in a certain mode, the one or more man-made echoes in the certain mode being different from the echoes in the certain mode generated by other beacons in the beacon. The method further includes directing the vehicle toward the landing point by transmitting a radar signal from the radar sensor to an area around the landing point; receiving return signals from the area around the landing point, including ground reflected signals and transmit signals from each beacon; and determining whether an artificial echo is detected in the received return signal. When artificial echoes are detected, beacon parameters are loaded from an airborne active beacon database; identifying a pattern in the artificial echo and associating it with a corresponding beacon from the database; and estimating a slope distance to each of the beacons through the pattern.

This invention discloses an automatic frequency-elevation map measurement method and system based on residual networks, enabling rapid and automatic extraction of key ionospheric parameters from frequency-elevation maps acquired by digital altimeters. The method first parses the header information and echo intensity data from the original binary file of the altimeter to generate a frequency-elevation map image. Then, a small number of samples are manually labeled to establish a training set with critical frequencies such as foF2 and h'F2 as ground truth. Based on this, an end-to-end model including a backbone residual network, pooling layers, and a feature extraction head is built. This model is trained to convergence through backpropagation and further fine-tuned using expanded sample data to obtain an engineering-deployable model. Finally, the frequency-elevation map to be processed is input into the model, and the predicted values ​​of the target parameters are output and written to the results file. This method reduces the workload of manual interpretation and verification and improves the measurement accuracy of irregular and disturbed frequency-elevation maps.

The invention provides a filter altimeter and a height measurement method thereof, and belongs to the technical field of height dimension measurement, the filter altimeter comprises a workbench, the workbench is provided with a longitudinal track, the longitudinal track is provided with a slidable lifting seat, the lifting seat is provided with a measuring arm extending in the transverse direction, and the lifting seat is further provided with an angle adjusting motor connected with the measuring arm. A first pressure sensor and a second pressure sensor which are arranged side by side in the transverse direction are arranged at the bottom of the measuring arm, an adjusting hole is formed in the workbench, a floating base body is arranged in the adjusting hole in a penetrating mode, a groove for containing a filter is formed in the floating base body, and three clamping mechanisms evenly distributed around the adjusting hole are further arranged on the workbench. The working table is provided with three clamping mechanisms, the action points of the clamping mechanisms are located on the same horizontal datum plane of the floating base body, each clamping mechanism is provided with a clamping force sensor, the three clamping mechanisms respond to the downward movement of the measuring arm to clamp the floating base body at three points, and the working table is further provided with three jacking mechanisms which abut against the floating base body.

The utility model discloses an efficient logistics automatic scanning identification device, which relates to the technical field of logistics code scanning equipment and comprises a mounting frame and an L-shaped fixing frame which are sequentially and fixedly connected to the outer wall of the rear side of a belt conveyor, and the L-shaped fixing frame is connected with an air cylinder through a reciprocating motion mechanism. The bottom end of a piston rod of the air cylinder is fixedly connected with a connecting plate, and the outer wall of the bottom of the connecting plate is fixedly connected with a bar code scanner through bolts. According to the utility model, the height of a cargo package can be automatically measured through the infrared altimeter before the cargo package is scanned, detection data are transmitted to the controller, and the controller controls the air cylinder to work to automatically adjust the scanning height of the bar code scanner to the optimal scanning height. Therefore, the device can be well adapted to goods packages with different heights; the scanning range of the bar code scanner can be effectively expanded through rapid reciprocating motion of the bar code scanner, and the scanning recognition efficiency of different goods packages can be improved.

1. Name of the designed product: height measuring instrument (forestry). 2. Use of the designed product: used for measuring the height of plants, etc. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view 1.

The screw locking and detecting equipment comprises a gantry mechanism, a screw locking machine, a height gauge, a camera and a control mechanism, the gantry mechanism stretches across a product through a platform supporting seat and is located above the product, and the screw locking machine, the height gauge and the camera are fixed to the moving end of the gantry mechanism; the screw locking machine, the height gauge and the camera can be driven by the gantry mechanism to move to the position over a product, the height gauge can detect the distance between the height gauge and the product, the screw locking machine can lock a screw at the top of the product, a lens of the camera right faces the product, and the gantry mechanism, the screw locking machine, the height gauge and the camera are electrically connected with the control mechanism. The automatic screw locking device is high in automation degree, high in screw locking efficiency and high in screw locking precision.

The utility model relates to the technical field of water rocket experimental equipment, in particular to a water rocket altimeter, which comprises a power supply module, an attitude data acquisition module, a data transmission module, a remote control receiving module and an electromagnetic lock driving module, the power supply module is electrically connected with the attitude data acquisition module, the data transmission module, the remote control receiving module and the electromagnetic lock driving module, the attitude data acquisition module is in communication connection with the data transmission module, and the remote control receiving module is in signal connection with the electromagnetic lock driving module through a signal line. A remote control signal is received through the GLX433RX module, a macro relay HFD / 3 is triggered through an S8050 triode, and an SX1308 boosting chip is matched to drive an electromagnetic lock to achieve 0.1-second top-speed parachute opening. The ten-axis sensor and the full-duplex module form closed-loop control to adjust the parachute opening time in real time; the shunt power supply ensures stable operation of strong current and weak current, the RS485 serial port and 433MHz wireless anti-interference design ensures accurate execution of instructions, and the improvement of high performance and reliability of the water rocket altimeter is realized.

The invention discloses a method and a device for setting a submicron-grade linear light spot encoder, which are characterized in that a light spot measuring head is combined with a plurality of short-distance altimeters to detect a straight line error and an angle error so as to timely correct the straight line error and the angle error; the light spot leveling ruler is used for measuring the length of the interferometer and the reflector through the laser, and is matched with the position recording of the light spot to obtain extremely accurate position positioning, so that the device and the method for setting the sub-micron grade linear light spot encoder are formed; in addition, a grating is not needed, subsequent compensation processing in the prior art is omitted, the device is particularly suitable for occasions of extremely precise measurement and positioning, processing time can be shortened, and cost can be greatly reduced.

This invention discloses a Bayesian inversion extraction method for the equilibrium signal of wide-span altimeter data. The method involves acquiring and preprocessing sea surface height anomaly sequences from radar interferometers and nadir altimeters. A normalized sine square window function is applied for windowing, and multidimensional spatial averaging is used to estimate the one-dimensional wavenumber power spectrum. A piecewise power law-based equilibrium signal spectrum model and a noise spectrum model constrained by dynamic sea state are constructed, and the set of spectral parameters is extracted through logarithmic domain weighted least squares fitting. A set of spatial covariance matrices is constructed using cosine integral transform and Abelian forward and inverse transforms. A graphics processor is scheduled to perform batch matrix decomposition and singular fault-tolerant regularized inversion to solve for the posterior mean vector and posterior covariance matrix of the target equilibrium signal. Window fusion and index mapping are applied to fill the gaps in nadir observations. Geostrophic dynamics parameters are calculated, uncertainty quantification is performed based on the linear error propagation law, and the knowledge base is updated based on the exponential moving average algorithm. This invention achieves suppression of observation noise and physical filling of observation gaps, improving the adaptability of the inversion system to environmental changes while preserving non-Gaussian dynamic characteristics.

The invention provides a height gauge. The altimeter comprises a direct antenna, an upper cover plate, a first radio frequency layer structure, a radio frequency board, a second radio frequency layer structure, a first baseband layer structure, a baseband board, a second baseband layer structure, a first power supply layer structure, a power supply board, a second power supply layer structure, a lower cover plate, a reflecting antenna, a first connector, a second connector, a first inter-board connector and a second inter-board connector. The direct antenna, the upper cover plate, the first radio frequency layer structure, the radio frequency plate, the second radio frequency layer structure, the first baseband layer structure, the baseband plate, the second baseband layer structure, the first power supply layer structure, the power supply plate, the second power supply layer structure, the lower cover plate and the reflecting antenna are connected in sequence; the first connector is in communication connection with the direct antenna and the radio frequency board; the second connector is in communication connection with the reflecting antenna and the radio frequency board; the second inter-board connector is in communication connection with the baseband board and the power board; the first inter-board connector is in communication connection with the radio frequency board and the baseband board.

1. The name of the design product: touch high. 2. The use of the design product: touch high for jumping touch high training and data broadcast, display, record. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

1. The name of the design product: high touch device (frog type). 2. The use of the design product: for exercise equipment to touch high. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The invention relates to the technical field of construction monitoring, in particular to a dynamic compaction construction monitoring method based on target time sequence detection, and the method comprises the following steps: step 1, compaction point division: determining a compaction point matrix in a compaction area, spacing a compaction point between the compaction points of front and back compaction, and determining the coordinates of a compaction pit; 2, the tamping sequence is determined, and the moving path of the tamping machine is a retreating moving path; 3, the tamping settlement of a single tamping point is calculated, and the height of the tamping position of the rammer every time is recorded through a height gauge; according to the scheme, through video time sequence monitoring, a construction team can record and analyze the abnormity of the same tamping point between the third tamping time and the fourth tamping time in each link in the tamping process, the problems such as equipment faults or misoperation can be determined through video analysis, and through the monitoring, the construction safety is improved, and the construction efficiency is improved. In addition, traceability is provided for the construction process, and responsibility investigation and experience summarization can be conveniently carried out when problems occur.

The invention belongs to the technical field of building measurement, and particularly relates to super high-rise building engineering measurement equipment which comprises an assembly frame body, a roller shutter motor is fixedly installed at the bottom of the back face of the assembly frame body, a belt set is fixedly installed at the output end of one side of the roller shutter motor, and an attaching plate wheel is fixed to the surface of one side of the belt set. One side of the attaching plate wheel is clamped into the inner side wall of the assembly frame body in a sliding mode, the height gauge shell is fixedly installed on the front face of the attaching plate wheel, multi-angle rotation can be achieved through the spherical connector, the installation adaptability of equipment in the complex super high-rise environment is enhanced, the damping spring can effectively buffer external vibration, interference of vibration on the measurement precision is avoided, and the measurement accuracy is improved. Meanwhile, through the combination of the threaded rod, the nut and the clamping pressing plate, double fixation and reinforcement are conducted on the equipment from the transverse direction and the angle of connection with an external supporting structure, the overall stability of the equipment during super high-rise operation is improved, and the risk of measurement errors caused by equipment shaking is reduced.

The invention provides a polar region shipborne unmanned aerial vehicle high-precision positioning method and system, and the method comprises the steps: deploying a radio base station at a ship end, determining the positioning of the base station in real time, carrying out the real-time wireless communication, carrying out the distance measurement, and recording the timestamp of a communication signal; the unmanned aerial vehicle measures the height information relative to the ground in real time through a laser altimeter, and then the ship-end computer calculates the accurate distance between the unmanned aerial vehicle and each radio base station based on a flight time method; the ship-end computer receives and processes the radio distance data, the height data of the laser altimeter and the differential RTK positioning data in real time, and a linear equation elimination method is adopted to calculate the three-dimensional coordinates of the unmanned aerial vehicle; according to the continuous three-dimensional coordinate data of the unmanned aerial vehicle, the real-time horizontal speed and the flight direction of the unmanned aerial vehicle are obtained through differential calculation; and converting the calculated position information and the real-time speed and direction information into longitude and latitude height positioning information, and sending the longitude and latitude height positioning information to an unmanned aerial vehicle navigation control system in real time. According to the invention, the positioning precision and navigation stability of the shipborne unmanned aerial vehicle in a complex environment are effectively improved.