210results about "Theodolites" patented technology

The invention discloses an intelligent photoelectric theodolite aerial target positioning and tracking system, which relates to the technical field of photoelectric detection, and comprises a multi-mode photoelectric sensor module integrating visible light, infrared thermal imaging, a laser radar and a polarized light sensor and supporting spectrum adaptive switching; the dynamic noise suppression processing module is used for eliminating environmental interference based on a time-space domain hybrid filtering algorithm; the multi-target tracking control module adopts a time-sharing partition scanning strategy and a graph neural network data association algorithm; the anti-interference servo driving module is used for realizing stable tracking under strong disturbance through inertial navigation-visual fusion compensation; and the edge computing platform is used for deploying a lightweight deep learning model to complete target recognition and trajectory prediction. According to the invention, through interdisciplinary collaboration of quantum dot materials, graph neural networks and physical equation constraints, the bottleneck of a single technology is broken through; and through closed-loop optimization of dynamic anti-interference and edge intelligence, full-link enhancement of'perception-decision-execution 'is realized.

The invention is applicable to the technical field of target range target measurement, and provides a post-event target range multi-target trajectory measurement method and system, a storage medium and a processor. Firstly, combined intersection calculation of targets at all moments is completed through azimuth pitch angles of the targets relative to multiple observation stations, three-dimensional position coordinates of the multiple targets at all moments are obtained, dimension raising operation of data to be separated is achieved, and due to the fact that one-dimensional data is additionally introduced, intersection of the target data is greatly reduced, and the trajectory separation difficulty is lowered; meanwhile, an unsupervised learning method, namely a clustering algorithm, is introduced, the algorithm can group the data without any guidance, and the efficiency is extremely high. The afterward target range multi-target trajectory measurement system adopting the method also has the above effects.

The invention provides a deep-sea subsurface buoy three-point positioning method. The deep-sea subsurface buoy three-point positioning method comprises the steps that the longitude and latitude of a subsurface buoy weight entering water, the seawater depth and the distance between a deep-sea releaser and the subsurface buoy weight are obtained when a deep-sea subsurface buoy is laid; within a set distance from the water entry point of the subsurface buoy heavy block, three position points which are not in the same straight line are selected, and latitude and longitude coordinates of the three position points are recorded; actually measuring the distances from the three position points to the deep sea releaser; and obtaining latitude and longitude coordinate positions of the deep sea subsurface buoy based on a three-point positioning method of solid geometry. The method has the advantages that the calculation method is simple, the operability is high, the actual laying position of the deep sea subsurface buoy can be corrected, and the estimation precision of the laying position of the deep sea subsurface buoy is improved. And powerful support is provided for subsequent acoustic experiment data processing and subsurface buoy recovery and salvage.

Disclosed are a method for determining an error component of a photoelectric theodolite and a method for compensating an error component of a photoelectric theodolite. A celestial region is divided into 60 sub-regions by star selection software, a star is selected from each sub-region to serve as a reference star, the theodolite is controlled to sequentially point at the reference stars, an azimuth deviation and an elevation deviation for each reference star are calculated, an axis systematic error pointing model, an azimuth error equation and an elevation error equation for the photoelectric theodolite are established, a least squares estimated value of an azimuth error component and a least squares estimated value of an elevation error component are calculated by a least squares method, a reference star with a large fitting residual is excluded, and an iterative calculation is performed repeatedly.

The invention discloses an unmanned aerial vehicle target tracking method and system, and relates to the technical field of radio monitoring and unmanned aerial vehicle control, and the unmanned aerial vehicle target tracking method and system can analyze the radio signal of an unmanned aerial vehicle, combine the three-dimensional map data, unify the coordinate reference, and eliminate the height reference difference. And a three-dimensional space model is constructed to accurately calculate the spatial position relationship between the unmanned aerial vehicle and the control equipment, so that the positioning precision and the tracking effect are improved, and the technical problem of large positioning error in a complex electromagnetic environment and terrain in a traditional method is solved.

The invention provides a monitoring method and device and a readable storage medium. The method comprises the following steps: acquiring current flight data of an unmanned aerial vehicle; inputting the current flight data into a global AI model, performing feature extraction on the current flight data by using a global feature mapping function in the global AI model, and generating corresponding current observation trajectory features; calculating a trajectory difference degree between the current observation trajectory feature and a historical normal trajectory feature; and in response to the situation that the trajectory difference degree is greater than a preset abnormal threshold value, judging that the unmanned aerial vehicle has black flight. According to the method, the device and the readable storage medium, the problems that in an existing monitoring technology for black flight of the unmanned aerial vehicle, the precision of a radar monitoring technology is limited in a short-distance low-height scene, the monitoring error of a visual identification technology facing a high-speed unmanned aerial vehicle or complex weather is large, and comprehensive monitoring is difficult to achieve in an ADS-B technology due to the unmanned aerial vehicle configuration problem can be solved.

The invention relates to the technical field of data processing, and discloses a 5G-A unmanned aerial vehicle track monitoring method and system for power grid inspection. The method comprises the following steps: acquiring 5G-A base station sensing data and cleaning to obtain a space coordinate sequence; converting the geographic coordinates into relative position coordinates, and performing dynamic slicing and standardization processing; extracting time sequence features through an LSTM model to determine a target category, and calculating a space deviation distance between a sensing track and a reported track; and according to the deviation distance and the matching result, determining a security situation and generating an alarm. According to the invention, accurate identification and safe controllable supervision of the low-altitude target in the power grid inspection area are realized.

The embodiment of the invention provides a motor vehicle auxiliary parking method and device and a computer readable storage medium, and the method comprises the steps: fusing the positioning data of a combined navigation positioning system and odometer information to form latitude and longitude coordinates; converting the latitude and longitude coordinates into vehicle poses, and determining initial vehicle poses and initial latitude and longitude coordinates; a three-dimensional scene map and a two-dimensional scene map are constructed in combination with image information and vehicle poses in the driving process of the motor vehicle; selecting a target parking space; based on the latitude and longitude coordinates of the current position and the initial latitude and longitude coordinates, a coarse positioning pose is obtained through calculation, matching search within a preset range is carried out in a two-dimensional scene map with the coarse positioning pose as the center to correct the coarse positioning pose, and three-dimensional matching is carried out according to the corrected coarse positioning pose to obtain a fine positioning pose; calculating and generating a target parking path based on the two-dimensional scene map; and controlling the motor vehicle to drive into the target parking space based on the parking path and the fine positioning pose. According to the embodiment, the positioning precision can be effectively improved.

A range finding device 100 is operable to determine an estimated range R and bearing B to a target object location T11. Based on the estimated range R and expected range error ΔR, near and far offsets Δn, Δf are calculated. Based on the estimated bearing B and expected bearing error ΔB, left side and right side offsets Δl, Δr are calculated. Together the offsets define a target object location area T12. The estimated range is determined by varying the size of scale markers 202, 203 corresponding to the estimated size of the particular type of target object at the estimated range R, until the scale markers 202, 203 match the apparent size of the target object within the output image, the apparent size thereby providing an estimate of range R.

The invention discloses a coaxial refraction and reflection type infrared low-temperature optical system and an adjustment test method thereof. The optical system is composed of a main optical system, a main system supporting frame, a rear light path infrared lens group, an infrared lens group lens seat and a rear light path mounting bottom plate. In order to improve the assembling and adjusting precision and simplify the assembling and adjusting freedom degree, precision assembling and adjusting equipment such as an interferometer, a laser tracker, a centering instrument and a theodolite is adopted, a main optical system and a rear optical path infrared lens group serve as independent units to be assembled and adjusted, and then precision integration testing is conducted. In order to reduce the test period and cost of the low-temperature optical system, a test compensation lens is inserted into a low-temperature optical path, so that the low-temperature optical system can perform imaging test and image quality evaluation in a normal-temperature and normal-pressure environment. The method has the advantages of being simple in principle, high in precision, short in period and low in cost, and is suitable for adjustment testing of the coaxial refraction and reflection type infrared low-temperature optical system.

A method performed by an apparatus associated with a moving object is introduced. The method may comprise obtaining data about a velocity of the moving object, a global positioning system (GPS) altitude, a GPS latitude, a GPS longitude, and a gradient associated with the moving object. The method may further comprise determining, based on integrating the data, an integrated altitude value, determining, based on the integrated altitude value, an observed inclination offset value, determining, based on the observed inclination offset value, inclination offset estimation data, automatically adjusting, based on the inclination offset estimation data, an inclination offset value of an inclinometer associated with the moving object, and outputting a signal indicating the adjusted inclination offset value.

The invention discloses a steel pipe pile support perpendicularity control device and a construction method, and belongs to the technical field of steel pipe pile construction. The device comprises a double-theodolite monitoring assembly, a hydraulic deviation correction execution assembly, a real-time data transmission assembly and a central control unit, all the assemblies work cooperatively to achieve whole-course accurate control over the steel pipe column vibration pile sinking process, and the problems that in the prior art, perpendicularity control precision is low, and adjustment lags behind are solved. The perpendicularity of the steel pipe column is monitored through the double theodolites in a 90-degree crossed mode, dynamic adjustment is achieved in combination with the hydraulic deviation correction frame, the steel pipe column perpendicularity deviation is controlled through the processes of datum positioning, graded pile sinking monitoring, real-time deviation correction and final hammer acceptance inspection, and the method is suitable for the scene of bridge cast-in-place related to high pier column support construction. And the construction safety and the engineering quality are effectively improved.

This application applies to the field of target measurement technology at firing ranges, providing a method, system, storage medium, and processor for post-mission multi-target trajectory measurement at firing ranges. This method departs from the traditional "separate first, then rendezvous" approach, instead employing a "rendezvous first, then separate" process. First, it utilizes the azimuth and elevation angles of the target relative to multiple stations to perform combined rendezvous calculations for targets at various times, obtaining the three-dimensional position coordinates of multiple targets at each time point. This achieves dimensionality enhancement of the data to be separated. By introducing additional one-dimensional data, the overlap between target data is significantly reduced, lowering the difficulty of trajectory separation. Simultaneously, an unsupervised learning method—a clustering algorithm—is introduced. This algorithm can group data without any guidance and is highly efficient. The post-mission multi-target trajectory measurement system at firing ranges using this method also achieves the aforementioned effects.

The utility model relates to the technical field of theodolites, in particular to a theodolite for lightning protection detection. The theodolite comprises three supporting frames, the upper surfaces of the three supporting frames are provided with the same theodolite body, the lower surfaces of the supporting frames are provided with fixing structures, the fixing structures comprise connecting frames, the connecting frames are fixedly connected with the supporting frames, sliding grooves are formed in the two sides of each connecting frame, the inner walls of the sliding grooves are connected with connecting plates in a sliding mode, and the connecting plates are connected with the supporting frames in a sliding mode. The sides, close to each other, of the two connecting plates are fixedly connected with the same first spring, clamping blocks are fixedly connected to the lower surfaces of the connecting plates, limiting plates are slidably connected to the side faces of the clamping blocks, positioning blocks are fixedly connected to the lower surfaces of the limiting plates, and two fixing grooves are formed in the lower surface of the connecting frame; the inner wall of the fixing groove is slidably connected with a fixing rod. The problems that the theodolite slides due to abrasion of the positioning block, and errors are caused by inaccurate measured data are solved.

A surveying system comprises a base 3, a first alidade 7 mounted on the base and rotatable relative to the base about a first axis 9, a first optical instrument 17 mounted on the first alidade 7, wherein the first optical instrument is configured to emit a first beam 41 of measuring light, a second alidade 19 mounted on the base and rotatable relative to the base about a second axis 21, and a second optical instrument 25 mounted on the second alidade, wherein the second axis substantially coincides with the first axis. The first optical instrument includes a scanner 31, and the second optical instrument includes at least one camera 63.

The utility model discloses an all-directional angle measurement engineering construction measuring device, which relates to the technical field of engineering surveying, and comprises a triangular bracket, a placing seat is arranged on the triangular bracket, a theodolite main body is rotatably arranged on the placing seat, an observation eyepiece is arranged in the middle of the upper end of the theodolite main body, and an observation lens is arranged on the observation eyepiece. According to the theodolite disclosed by the utility model, through the synergistic effect of the bidirectional threaded rod, the sliding piece, the adjusting block and the clamping plate in the adjusting assembly, the angle of the observation eyepiece can be accurately fixed, and in engineering construction measurement, the observation eyepiece can be accurately adjusted, so that the measurement accuracy is improved, and the measurement precision is improved. And the device can ensure that the angle of the observation eyepiece cannot be changed due to external force interference or self-looseness in the measurement process, so that the accuracy and the reliability of measurement data are ensured, and a reliable measurement basis is provided for construction engineering.

Range finding devices and target object management systems each having one or more features that enhance their functionality. In some embodiments, a disclosed range finding device includes a target object location area calculation unit that defines near and far edges and side edges of a target location area. In some embodiments, a disclosed range finding device is a passive range finding device that inserts a scale marker into an output image, varies the size of the scale marker in response to user actuation of a scale input, and determines the size of the scale marker and an estimated range to a target object. In some embodiments, a disclosed target object management system includes a processing unit operable to manage new location records for existing and new target objects via target object registers. Other embodiments are disclosed, as are corresponding methods and software.

The present invention discloses a calibration method, device, medium and product for the relationship between a two-axis turntable and a collimator, relating to the technical field of data processing. The method includes: when the theodolite and the collimator are in the light alignment condition, obtaining first angle data of the rotation of the two-axis turntable and second angle data of the rotation of the theodolite; constructing a coordinate system conversion model according to the first angle data and the second angle data; based on the first angle data, the second angle data and the coordinate system conversion model, determining a plurality of conversion matrices between the two-axis turntable coordinate system, the theodolite coordinate system of the theodolite and the collimator coordinate system; and determining the conversion relationship between the two-axis turntable and the collimator according to the plurality of conversion matrices. The present invention enables the two-axis turntable in the ground inspection simulation system to be accurately aligned and calibrated with the collimator, provides a reliable guarantee for the research and development test of the laser communication terminal, and improves the accuracy and reliability of satellite communication simulation.

Disclosed are a method and an astrophotographic apparatus for acquiring images of targets in a sky area. The method includes: step 1, an image acquisition device is driven through a controlled rotatable component to point to the position near a target in a sky area, and images of the sky area are acquired through the image acquisition device; step 2, the images of the sky area are analyzed to obtain the right ascension coordinates and the declination coordinates of the center point of images for synchronizing the coordinates to the controlled rotatable component; step 3, the image acquisition device is driven by the controlled rotatable component to point to a target position of the target right ascension coordinates and the target declination coordinates corresponding to the target celestial body to acquire the images; and step 4, an image processing is performed on the images to obtain the processed images.

The application discloses a tree breast height auxiliary measurement system and method, and relates to the technical field of breast height measurement.The navigation auxiliary module loads the navigation file of the corresponding measurement area before the measurement personnel work, and then the current all trees in the to-be-measured state are selected as the target trees in sequence to perform the auxiliary navigation, so that the target loss problem caused by the dense trees in the measurement area is completely avoided, and the real-time longitude and latitude of the tree when any tree is determined as the target tree is acquired to determine whether there is a detour, a virtual auxiliary tree is selected in front of the tree according to the determination result, and when the next measurement task is performed again, a visual guide arrow is generated to navigate to the auxiliary tree first, and then navigate to the auxiliary tree, so that the navigation interference problem of the traditional navigation caused by the failure to identify the detour demand of the forest area is effectively avoided, and the safety of the auxiliary navigation is further improved.

The invention provides a satellite-borne product installation precision testing device and method. The satellite-borne product installation precision testing device comprises a single-machine product, a reference mirror LJ1 assembly, a satellite platform and a reference mirror LJ2 assembly. According to the invention, the assembly precision test of the satellite product is realized through a high-precision measurement system, and the assembly precision is rapidly calculated, and the adjustment direction and the adjustment amount are directly given in an Euler rotation angle mode, so that rapid calculation and accurate orientation adjustment are realized; a reference mirror is used as a measurement basis, an electronic theodolite is used as test equipment, industrial measurement software (SA) is matched for use, and the size requirement and the use method of the reference mirror are provided. The method has the advantages that the error rate of testing and adjusting is effectively avoided, and the method is simple, easy to understand and high in operation adaptability; the device is suitable for assembly precision test and adjustment of all aerospace products.

The utility model discloses an auxiliary observation device for a theodolite, which belongs to the technical field of surveying and mapping instruments, and comprises a mounting cylinder, an auxiliary observation device and an auxiliary observation device, the connecting seat is detachably connected with the mounting cylinder, two mounting surfaces are arranged on the connecting seat, and a reflecting mirror in the shape of a straight triangular prism is jointly embedded into the two mounting surfaces; the cover plate is detachably arranged on one of the mounting surfaces, an observation opening is formed in the cover plate, and a transparent lens is arranged in the observation opening; according to the scheme, an observer only needs to bend to lower the head and overlook the observation opening for observation, so that the observer is converted from head-up eyepiece observation to overlook observation, which is different from the mode that the observer squats or half squats to make the eyes and the eyepiece translate, the observation is more convenient, the comfort of the observer is improved, and the observation efficiency is improved. In addition, the situation that the observation effect is affected due to the fact that observers shake during observation is avoided, the observation accuracy is improved, and high practicability is achieved.

The invention relates to the field of engineering surveying and monitoring, in particular to a scaffold body inclination monitoring device based on the Internet of Things, which comprises a plurality of sensor groups, a communication module group and a data processing device, and the sensor groups are in communication connection with the data processing device through the communication module group. The sensor group collects and uploads the inclination angle, the collection time and the longitude and latitude information of the target scaffold body along the horizontal X axis and Y axis, the data processing equipment receives and processes data, inputs a risk index R calculation formula to obtain a dumping risk index R, and judges whether an early warning signal is sent to the alarm terminal or not according to the dumping risk index R. The data processing device can also calculate the angular velocity, the angle change rate and the like, the collection frequencies of a plurality of sensor groups are aligned, a risk index R calculation formula can be adjusted through a weight coefficient change model, and the server can collect historical data to iterate the formula. The technical effects of accurately monitoring the inclination condition of the scaffold body, predicting the toppling risk and carrying out early warning in time are achieved.

The present invention provides a method for obtaining continuous magnetic declination. First, a first geomagnetic theodolite is set up in the target area, and the voltage-time series data is stored in real time through a continuous data acquisition board. Then, the initial reading of the horizontal dial is set, the horizontal dial is finely adjusted and left stationary after fine adjustment, and the difference between the reading after each fine adjustment and the initial reading, the corresponding voltage value, and the corresponding time before and after fine adjustment and stationary are recorded. The magnetic declination grid value is calculated, and the continuous magnetic declination sequence data is calculated and generated. Finally, the second geomagnetic theodolite set up in the target area is used for absolute measurement of magnetic declination, and the generated magnetic declination sequence data is calibrated according to the measurement results. The present invention collects the voltage signal that can represent the magnetic signal and calibrates it through the measured data. The calibrated continuous magnetic declination data obtained can accurately reflect the magnetic declination value at any time, successfully solving the current situation of difficult or inaccurate acquisition of magnetic declination diurnal variation information due to the shortage of geomagnetic stations.

The invention provides land reclamation measuring equipment, and relates to the technical field of measuring equipment, the land reclamation measuring equipment comprises a base, the top of the base is provided with a theodolite, the bottom of the theodolite is fixedly provided with a stud, the base is provided with a screw hole, the stud is inserted into the screw hole in a threaded manner, the bottom of the base is fixedly provided with a slide rail disc, and the slide rail disc is provided with a slide rail. Three sets of sliding rotating shaft seats are slidably connected to the outer side of the sliding rail disc, telescopic supporting legs are rotatably installed on the outer sides of the sliding rotating shaft seats, rotating assemblies are arranged on side plates of the sliding rotating shaft seats, the rotating assemblies comprise gears, and the gears are fixedly connected with rotating connecting shafts of the telescopic supporting legs and the sliding rotating shaft seats. The three sets of telescopic supporting legs at the bottom of the base do not need to be separated from the theodolite after measurement is finished, the theodolite is wrapped and stored through cooperation of the rotating assembly and the fence assembly, certain anti-collision and dustproof effects are achieved, meanwhile, the theodolite can be conveniently and rapidly carried and used outdoors, and inconvenience caused by repeated disassembly and storage of the theodolite is reduced.

The invention relates to a line monitoring device installation information automatic correction method and system. The method comprises the following steps: a master station issues a correction command and a correction moment to each monitoring device on a line; after receiving the correction command, the monitoring device returns current waveform data, longitude and latitude within a preset time to the master station; the master station extracts a current phase from the current waveform data; the main station corrects the monitoring device mounting pole tower according to the longitude and latitude of the monitoring device; and the master station corrects the installation direction and the installation phase of the monitoring device according to the current phase of the monitoring device. According to the invention, by establishing a set of automatic correction system for the installation information of the line monitoring device, unified issuing of correction commands at a master station end, automatic checking of installation towers, installation directions and installation phases of all the monitoring devices, and automatic correction of ledger configuration information in a master station database are realized, so that the problem of time and labor consumption in manual checking is solved; and the accuracy of power transmission line fault section judgment and fault positioning is remarkably improved.

The application relates to the technical field of pre-construction detection, and discloses a building construction measuring device, which comprises a fixing mechanism and a base, the application aims at the problem that when a theodolite is in laser centering, the surrounding light is too strong to be observed clearly, the height position of the device is adjusted by rotating the threaded knob one to control the position of the connecting block two along the stretching position of the supporting leg one, the sliding block one drives the supporting arm to slide outward in the outward stretching process of the device supporting leg one, the supporting arm slides at the inner wall of the rotating block, the baffle is driven to rotate at the inner wall of the rotating block through the connecting rod while the supporting arm slides outward, the angle of the baffle can be adjusted to shield the light by adjusting the outward expansion degree of the supporting leg one, when the surrounding light is too strong in summer or the surrounding environment of the device, it is difficult to observe the clear infrared light point, the observation of the bottom infrared measuring point is affected, and a certain error is generated in the measurement result.

The invention relates to the technical field of unmanned aerial vehicle remote sensing, in particular to an observation geometric parameter acquisition method and device based on an unmanned aerial vehicle sensor image, and the method can accurately calculate the observation geometric parameter of each observation pixel according to the data during the shooting of the unmanned aerial vehicle sensor image. Comprise a solar zenith angle, a solar azimuth angle, an unmanned aerial vehicle zenith angle, an unmanned aerial vehicle azimuth angle and a relative azimuth angle. According to the technical scheme, the calculation accuracy is high, the result precision of unmanned aerial vehicle image inversion can be improved when the calculation result is substituted into a corresponding model for inversion, and technical support is provided for application of unmanned aerial vehicle remote sensing to crops.

The utility model provides a laser telegraph telescope system with image acquisition and display functions, which comprises a laser telegraph assembly, an image acquisition and processing assembly, an industrial lens, an industrial lens focusing mechanism, an image acquisition unit and an image processing and output unit, and the image acquisition and processing assembly is arranged at the rear end of an eyepiece of the laser telegraph assembly. The industrial lens is coaxially arranged at the rear end of the laser electric eyepiece, the industrial lens focusing mechanism is arranged outside the industrial lens and used for adjusting the focal length of the industrial lens, the image acquisition unit is connected to the rear end of the industrial lens and used for acquiring image data output by the industrial lens, and the image processing and output unit is arranged at the rear end of the image acquisition unit and used for outputting the image data. The image processing unit is electrically connected with the image acquisition unit and is used for processing and outputting image data; and the image display unit is electrically connected with the output end of the image processing unit and is used for displaying the image data. According to the utility model, telescope image acquisition and processing are added on the basis of the original laser telegraph, and are displayed through the display, so that operators can observe conveniently.