51 results about "Height finder" patented technology

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.

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.

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.

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.

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 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.

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.

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 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.

The invention belongs to the technical field of land planning measuring equipment, and discloses a land planning boundary positioning distance measuring instrument, which comprises a distance measuring and height measuring instrument body, fixed plates are connected to the distance measuring and height measuring instrument body, fixed rods are movably connected to the inner sides of the two fixed plates, and a supporting plate is connected to the fixed rods. According to the distance measuring and height measuring instrument, the hanging rope is tightened on the wrist of a user through the anti-falling assembly, so that the distance measuring and height measuring instrument body can be prevented from falling off through the hanging rope when the distance measuring and height measuring instrument body is held by a hand for use; the finger joints of a user held above the distance-measuring and height-measuring instrument body are pressed in the finger grooves through the rotary and downward-pressing supporting plate, and the limiting pads and the elastic pressing belts are elastically pressed on the finger joints of the user, so that the distance-measuring and height-measuring instrument body is prevented from sliding off from the hand held by the user after the fingers sweat and loosen, and the distance-measuring and height-measuring instrument is convenient to use. Therefore, the technical effect that the device is not prone to falling off when working in complex terrain environments such as mountainous regions, forest lands and hills is achieved.

1. Name of the product in this design: Height meter. 2. Purpose of this design: This design is used for vertical reach training. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention relates to a method, apparatus, and medium for analyzing elevation errors in satellite laser altimeter foothold positioning, belonging to the field of satellite surveying technology. The method includes acquiring sensor data from satellite sensors and discrete full-waveform data of laser light transmitted by a satellite laser altimeter; establishing a satellite laser ranging error model and determining influencing error factors, including laser ranging error; inputting the discrete full-waveform data into the satellite laser ranging error model to obtain the laser ranging error value; and obtaining a comprehensive elevation error value for satellite laser foothold positioning based on the sensor data and the laser ranging error value. This invention can calculate the laser ranging error value through the satellite laser ranging error model, thereby obtaining the comprehensive elevation error value for satellite laser foothold positioning from the laser ranging error value and data detected by other sensors, without requiring input of terrain parameters within the laser footprint, thus improving the usability of the model.

Embodiments of the disclosure provide for improving alignment of a vehicle to a landing site. In the context of a method, the method includes generating transmission signals via a radar altimeter onboard a vehicle, the vehicle being oriented proximate to a landing site comprising a plurality of radio-reflective targets; receiving, via the radar altimeter, a plurality of reflected signals; generating a plurality of power metrics based on the plurality of reflected signals; comparing the plurality of power metrics to a threshold to determine a subset of power metrics associated with the radio-reflective targets; generating alignment correction data based on respective difference values between the subset of power metrics; and causing output of the alignment correction data to a ground station or a control system onboard the vehicle, wherein the alignment correction data comprises at least one parameter for aligning the vehicle with the landing site to minimize the difference values.

The invention relates to the technical field of measurement, in particular to a spaceborne wide-swath interference altimeter cross-rail error calibration method, which comprises the following steps: acquiring original sea surface height observation data; redefining rail-crossing coordinates; establishing a parameterized cross-rail error model; obtaining the sea surface height difference of the intersection; obtaining the sea surface height difference of the overlapping region; establishing a cross point difference constraint equation; establishing an overlapping region difference constraint equation; establishing a minimization objective function based on the intersection point constraint, the overlapping region constraint, the regularization item and weights distributed for the intersection point constraint and the overlapping region constraint; performing iterative solution by adopting a weighted square method to obtain an error coefficient corresponding to the orbit; calculating a height deviation value for each original pixel in the track by using the error coefficient and the parameterized cross-track error model; and correcting the original sea surface height observation data by using the height deviation value to obtain corrected sea surface height observation data. Network adjustment joint solution is realized in point, surface and time dimensions, and sea surface height observation precision is improved.

1. Name of the product in this design: Height meter. 2. Purpose of this design: For use in height measuring devices. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides a double-line feeding integrated assembly automation system and an assembly method.The double-line feeding integrated assembly automation system comprises a first feeding line and a second feeding line, the first feeding line and the second feeding line take materials through a robot and gather the materials to a positioning assembly output line, and the first feeding line sequentially comprises a multi-axis operation feeding machine and a secondary positioning platform; the second feeding line comprises a feeder feeding machine, an adsorption material taking device, a clamping material taking device, a point laser altimeter and an upper visual positioning scanning module are arranged at the execution end of the robot, the positioning assembly output line sequentially comprises a lower visual positioning module and a product circulating mechanism, and a positioning installation station is arranged on the product circulating mechanism. A material fixing module and a material blocking module are arranged at the position of the positioning installation station, and the execution end of the robot is sequentially matched with the feeder feeding machine, the secondary positioning platform, the lower visual positioning module and the positioning installation station. Through double-line feeding cooperation, multi-stage visual positioning and full-process automatic design, the efficiency bottleneck and precision problems in special-shaped accessory assembly are effectively solved.

The utility model discloses a novel touch height finder, which comprises a fixing seat, a guide rod arranged on the fixing seat, a lifting seat slidably connected to the guide rod, a locking piece and a control piece arranged in the lifting seat and sleeved on the guide rod, a positioning boss arranged in the lifting seat, one end of the locking piece abutting against the positioning boss, a first reset piece arranged between the locking piece and the lifting seat, a second reset piece arranged between the control piece and the lifting seat, a linkage seat rotatably connected to the lifting seat, one end of the linkage seat arranged on the control piece, a linkage block slidably connected to the lifting seat, the other end of the linkage seat abutting against the linkage block, and a third reset piece arranged between the linkage block and the lifting seat; a beating plate rotatably connected to the lifting seat, one end of the beating plate abutting against the linkage block. When the touch height finder is used, the lifting seat moves a distance upward every time the user beats the beating plate, and the lifting seat gradually climbs upward in the beating process to attract children to continuously jump and beat, thereby enriching the interactivity and interestingness of the touch height finder.

The embodiment of the utility model provides an auxiliary structure of an altitude touch device for basketball teaching, and relates to a bottom plate, the top of the bottom plate is fixedly connected with a limiting groove, an adjusting bin is arranged in the limiting groove, a limiting rod is arranged in the adjusting bin, and a first bolt penetrates through the side wall of the adjusting bin; a plurality of first threaded grooves matched with the first bolts are formed in a rod body of the limiting rod, the top end of the limiting rod penetrates through the top of the adjusting bin, the top end of the limiting rod is sleeved with a positioning groove, the top of the positioning groove is fixedly connected with a U-shaped block, and the U-shaped block is sleeved with a pair of annular blocks; a touch block is fixedly connected to the side wall of the annular block, a second bolt penetrates through the annular block, a plurality of second threaded grooves matched with the second bolt are formed in the U-shaped block, and the height touch device has the advantages that the height touch device can be conveniently used by multiple persons, and the utilization rate of the height touch device is increased.

1. The name of the design product: touch high device (2). 2. The use of the design product: for children to jump training and touch high exercise. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: component 2 in use state reference map. 5. Other components that need to be explained: this design belongs to component product, including component 1 and component 2, component 1 is slide rail, and component 2 is touch high device body.