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32results about How to "Improve measurement work efficiency" patented technology

Distance-constrained photogrammetric high-precision target positioning method

The invention discloses a distance-constrained photogrammetric high-precision target positioning method. The method comprises the following steps of: the step 1, calibrating parameters in a camera; the step 2, shooting a target image containing an indium steel ruler; the step 3, measuring coordinates of the target point image; the step 4, calculating the three-dimensional coordinate of the target point by adopting a least square method, and taking the three-dimensional coordinate as the initial value of the physical coordinate of the target point; the step 5, acquiring initial values of elements of the external orientation of the image; the step 6, calculating the net adjustment of the distance constraint; and the step 7, performing adjustment iteration convergence determination, determining the correction number calculated each time until the difference limiting requirement is met, and obtaining the high-precision coordinate of the target point. The method does not need to independently arrange control points, can obtain millimeter-level target point location precision, is simple and quick, reduces operation time, has high measurement speed, and greatly improves measurement operation efficiency.
Owner:WUHAN UNIV

Super-high-rise lift well measuring method

The invention relates to a super-high-rise lift well measuring method, which comprises the following steps: after finishing construction of a lift well, carrying out division of scanning sites; collecting coordinates of all position points corresponding to the scanning sites on the lift well at the corresponding scanning sites formed after division, and summarizing the coordinates to form three-dimensional point cloud data; according to the three-dimensional point cloud data, establishing a point cloud model of the lift well; establishing a BIM model of the lift well according to design paperof the lift well; and carrying out fitting analysis on the point cloud model and the BIM model, and obtaining deviation data of the point cloud model and the BIM model, thereby finishing measurement of the lift well. The measuring method is high in measurement precision; and compared with an existing plumb line method, the measuring method can effectively ensure safety of operators, and is high inefficiency of the measurement work.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Method for measuring height of tree and volume of wood by means of total station under condition that crown is covered

ActiveCN103486991ASolve the problem of not being able to measure the height of the treeImprove measurement work efficiencyMeasurement devicesTotal stationHydrology
The invention discloses a method for measuring the height of a tree and the volume of wood by means of a total station under the condition that the crown is covered. According to the method for measuring the height of the tree and the volume of wood by means of the total station under the condition that the crown is covered, the tree with the crowned covered serves as the study object, the total station serves as the measuring tool, the diameter d0 of the root portion of the trunk, the diameter d1.3 at breast height, 1.3m away from the ground, of the trunk, the trunk diameter dn of the highest position, within the vision reachable range, of the covered part of the crown, the distance h between the highest observable position and the ground, the trunk diameter dm of any position between the position, 1.3m away from the ground, of the trunk and the highest observable position, and the distance hm between the any position and the ground are measured in sequence, then the height of the tree and the volume of wood are measured and calculated accurately, field measurement processes are simplified, measurement intensity is relieved, and meanwhile the difficulty that the height of the tree and the volume of wood can not be measured under the condition that the crown is covered is overcome.
Owner:BEIJING FORESTRY UNIVERSITY

Tree crown volume and surface area metering technology taking three-dimensional laser scanner as tool

The invention provides a tree crown volume and surface area metering technology taking a three-dimensional laser scanner as a tool. The three-dimensional laser scanner is used as the tool to measure tree point cloud data and a peripheral point cloud in the tree point cloud data is extracted through an algorithm; and the measurement and calculation of a tree crown volume and a surface area can be realized through a computational formula, so as to greatly improve the computational accuracy of the tree crown volume and the surface area, and overcome the defects that the precision is low, and the process is complicated when the precision is high of a previous method for metering the tree crown volume and the surface area.
Owner:BEIJING FORESTRY UNIVERSITY

Whole cycle fuzziness initializing method in short-base line DGPS location

InactiveCN1403833AReliable ambiguity initialization estimatesReliable Initialization ValuationPosition fixationSatellite radio beaconingObservation dataComputer science
The present invention relates to the whole cycle fuzziness initializing method for the carrier phase in short-base line DGPS. The present invention designs the position of mobile GPS receiving antenna and the operation steps of extracting observation data as well as corresponding data processing method. The operation of the present invention is simple and practical and the corresponding data processing method can give out accurate and reliable whole cycle fuzziness estimation of carrier phase. The present invention can raise the operation efficiency in the DGPS positioning measurement.
Owner:WUHAN INST OF PHYSICS & MATHEMATICS CHINESE ACADEMY OF SCI

System and method for laser flatness measurement

A method for laser flatness measurement comprises that: a tool needed for measuring workpieces is clamped onto a workbench of measurement equipment and fixed. A coordinate system is established, wherein the measurement equipment is provided with two laser heads. Two sets of scanning points are arranged along a horizontal direction and a vertical direction, and each set of scanning points comprises a start point and an end point. The workbench of the measurement equipment is separately moved to the each set of scanning points. The two laser heads are controlled to scan from the start point to the end point, and X, Y and Z axis coordinate values of the each scanning point is record. The coordinate system is corrected according to the X, Y and Z axis coordinate values of the each scanning point. The two workpieces are separately measured by controlling the laser heads. The flatness of each workpiece is calculated according to the corrected coordinate system and measurement data, and is determined whether to be qualified or not based on a predetermined range and a determined result is reminded. The invention further provides a system for the laser flatness measurement. The efficiency of measurement can be improved by applying the method and the system.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Stereophotogrammetric survey-based method for obtaining morphological parameters of maize plant

The present invention relates to a stereophotogrammetric survey-based method for obtaining the morphological parameters of a maize plant. The method comprises the steps of (1) forming a rectangular marking ruler by adopting 4-bit typical gray codes, with 1cm as the width of a code element, 1cm as the spacing between adjacent code elements and 2cm as the width of a reference code; (2) in the maize growing season, standing the rectangular marking ruler upright besides a to-be-measured maize plant, photographing by a binocular camera, and obtaining the three-dimensional counterpart of the maize plant with the above rectangular marking ruler as a reference; (3) according to the three-dimensional counterpart, calculating the morphological parameters of the maize plant through referring to the reading data of the rectangular marking ruler. According to the technical scheme of the invention, the maize plant is stereoscopically photographed by the conventional binocular camera, so that the morphological parameters of the maize plant can be obtained. Therefore, the field data acquisition speed and the indoor data processing speed are comprehensively improved. Meanwhile, the measuring and calculating precision and the measuring and calculating efficiency for the form factors of the maize plant are effectively improved.
Owner:BEIJING PAIDE WEIYE TECH DEV +1

Close-range photogrammetry target positioning method and system with known camera station position

The invention provides a close-range photogrammetry target positioning method and a close-range photogrammetry target positioning system with a known photographing position. The method comprises the following steps: acquiring a three-dimensional coordinate of a camera station position, namely measuring and acquiring the three-dimensional coordinate of the camera station during image shooting; measuring two-dimensional coordinates of the shot target point image on the image; introducing a unit quaternion to construct a rotation matrix from an image space to an object space; obtaining an initial value of an object space three-dimensional coordinate in a relative orientation manner, carrying out differential calculation on a rotation matrix constructed by the unit quaternion, and establishing an error equation about the unit quaternion; and establishing a unit quaternion constraint condition equation and block adjustment with limited conditions, including performing iterative calculation by using an indirect adjustment method with limited conditions, and solving three-dimensional coordinates of a target point. According to the method, image control points do not need to be arranged, solving of unknown numbers of photography bases during block adjustment is reduced, the method is simple and easy to implement, the measurement speed is high, the operation time is shortened, and the measurement operation efficiency is greatly improved.
Owner:WUHAN UNIV

Sectional surrounding rock convergence deformation close-range photogrammetry method

InactiveCN104390599AReduce volumeImprove physical resolution performanceImage analysisUsing optical meansFixation pointMeasurement point
The invention belongs to the technical field of section convergence deformation close-range photogrammetry of underground engineering caverns and tunnels and particularly relates to a sectional surrounding rock convergence deformation close-range photogrammetry method. The method comprises steps: 1, a measuring point A and a measuring point B are arranged at a left side and a right side of a surrounding rock section, and a measuring line A-B is obtained; 2, a fixing point A' and a fixing point B' are arranged near the measuring point A and the measuring point B, and the measuring point A, the measuring point B, the fixing point A' and the fixing point B' are ensured to be in a straight line; 3, by adopting the close-range photogrammetry technology, convergence deformation data of a measuring line A-A' and convergence deformation data of a measuring line B-B' are acquired respectively; and 4, summation is carried out on the convergence deformation data acquired in the third step to obtain surrounding rock convergence deformation data. The method of the invention can be particularly applied to the field of convergence deformation or displacement measurement of the surrounding rock section of the underground engineering cavern and the tunnel by adopting the close-range photogrammetry mode based on a non-measurement digital camera situation.
Owner:63653 FORCES PLA

Assistant tool for measuring coordinate position of shielded part of ship and measuring method thereof

The invention discloses an assistant tool for measuring the coordinate position of a shield part of a ship. The assistant tool comprises a steel ruler part with scales and a light reflecting part. One end of the steel ruler part is sharpened to form a protruded tip. The other end is provided with a protruded cylinder. The cylinder is inserted into a groove arranged on one end of the light reflecting part. The light reflecting part is a steel ruler provided with a first light reflecting sheet and a second light reflecting sheet. The groove and the protruded cylinder are used to connect the steel ruler part and the light reflecting part so as to ensure that the center of the first light reflecting sheet, the center of the second light reflecting sheet, and the tip of the steel ruler part are in the same line. The light reflecting part can rotate on the steel ruler part so as to make the first light reflecting sheet and the second light reflecting sheet stay on the positions where the first light reflecting sheet and the second light reflecting sheet can be measured. The provided assistant tool utilizes the coordinate of measurable area of a total station to calculate the coordinates of a shield area to be measured, the coordinates of the shielded area can be obtained without building a new whole station; and solved is the problem that the whole station cannot measure a shielded area.
Owner:GUANGZHOU SHIPYARD INTERNATIONAL LTD

GNSS level measuring method

The invention discloses a GNSS level measuring method. The GNSS level measuring method comprises the following steps: performing the single-pass level measurement according to the regulation requirements, and acquiring an observation value of a single-pass level measurement height difference of each measured section; when a discrepancy of an observation height difference and a known height difference between the known level points is out of limit, or no other known level point can be provided for the closed tie measurement in a distance range stipulated by the regulation, checking the qualityof the single-pass level measurement result by utilizing the GNSS plane control measurement geodetic height data, discovering and correcting a measurement gross error and a mistake, so that the levelmeasurement back measurement can be avoided. According to the method, the GNSS plane control measurement data is used for checking the accuracy and reliability of a single-pass level measurement result, so that the level measurement operation workload can be greatly reduced, and the measurement operation efficiency can be improved.
Owner:CHINA MAJOR BRIDGE ENERGINEERING

Large ocean sea channel surveying vessel

The invention relates to a large ocean sea channel surveying vessel which carries various high-performance specialized ocean surveying equipment systems, and comprises a manned measurement boat, an unmanned measurement boat, an autonomous unmanned underwater vehicle release and recovery system, a pull-type measurement device, a navigation type multi-element measurement system, a thermohaline depth gauge detector, an underwater fixedly-mounted acoustic device and a measurement winch device. The measurement operation deck area comprises a tail operation area and a broadside operation area, and the multi-point putting and recycling requirements of measurement equipment can be met; the underwater fixedly-mounted acoustic device is mounted at the bottom of the ship in front of 1 / 3 of the length of a midship of the ship through a bow hoisting appendage; a stabilizer adopts a retractable fin stabilizer and a passive controllable anti-rolling tank, and two types of stabilizer equipment are intelligently and automatically controlled through a combined control system; the surveying vessel is further provided with a DP-2-level dynamic positioning system, and the surveying precision, continuity and reliability in the long-period gridding surveying operation and fixed-point surveying operation process in the deep sea and the far sea can be guaranteed.
Owner:708TH RES INST OF CSSC

Hand-push roller range finder, hand-push roller range finder monitoring device and range finding system

The invention discloses a hand-push roller range finder, a hand-push roller range finder monitoring device and a range finding system. The hand-push roller range finder comprises a hand-push roller range finder main body and a first communication module, the hand-push roller range finder main body is used for completing range finding under the operation of a user to obtain distance measurement data; and the first communication module is used for sending the distance measurement data to the hand-push roller range finder monitoring device through wireless communication connection. According to the hand-push roller range finder, the hand-push roller range finder monitoring device and the range finding system disclosed by the embodiment of the invention, the measurement operation efficiency is improved.
Owner:GUANGDONG POWER GRID CO LTD +1

A method for measuring tree height and volume with a total station instrument under the condition of tree canopy occlusion

ActiveCN103486991BSolve the problem of not being able to measure the height of the treeImprove measurement work efficiencyMeasurement devicesVolume measurementsTotal station
The invention discloses a method for measuring the height of a tree and the volume of wood by means of a total station under the condition that the crown is covered. According to the method for measuring the height of the tree and the volume of wood by means of the total station under the condition that the crown is covered, the tree with the crowned covered serves as the study object, the total station serves as the measuring tool, the diameter d0 of the root portion of the trunk, the diameter d1.3 at breast height, 1.3m away from the ground, of the trunk, the trunk diameter dn of the highest position, within the vision reachable range, of the covered part of the crown, the distance h between the highest observable position and the ground, the trunk diameter dm of any position between the position, 1.3m away from the ground, of the trunk and the highest observable position, and the distance hm between the any position and the ground are measured in sequence, then the height of the tree and the volume of wood are measured and calculated accurately, field measurement processes are simplified, measurement intensity is relieved, and meanwhile the difficulty that the height of the tree and the volume of wood can not be measured under the condition that the crown is covered is overcome.
Owner:BEIJING FORESTRY UNIVERSITY

Steel rail centering device

The invention discloses a steel rail centering device comprising a suction base, a centering bracket, a lateral adjustment mechanism, a vertical adjustment mechanism and a centering rod. The suction base is fixed to the side of a unilateral steel rail. The centering bracket further includes a support bar and a pallet. The bottom of the support bar is fixed to the suction base. The pallet is fixed on the support bar and is located at the upper part on the top surface of the steel rail. A tapered hole is arranged in the pallet. The lateral adjustment mechanism is fixed to the upper part of the support bar. The vertical adjustment mechanism is fixed to the end of the lateral adjustment mechanism. The centering rod is fixed on the vertical adjustment mechanism. The lateral adjustment mechanism is used to adjust the lateral position of the centering rod on the top surface of the steel rail. The vertical adjustment mechanism is used to adjust the vertical position of the centering rod on the top surface of the steel rail. The bottom of the centering rod is located in the tapered hole. The steel rail centering device of the invention is applicable to various line conditions, and can quickly find the position of the center point of the top surface of the unilateral steel rail and the vertical direction of the point, thereby realizing the rapid measurement and improving the measurement efficiency.
Owner:ZHUZHOU TIMES ELECTRONICS TECH CO LTD

Underwater longitudinal and transverse section measurement method and system

The invention relates to the technical field of surveying and mapping, and provides an underwater longitudinal and transverse section measurement method and system. The method comprises the following steps: obtaining a river-crossing line horizontal curve design file, and generating an unmanned ship measurement plan line; transmitting the unmanned ship measurement plan line to a main control module of the target unmanned ship; enabling the main control module of the target unmanned ship to adjust and update working parameters and acquisition conditions of the unmanned ship according to the received unmanned ship measurement plan line; enabling the target unmanned ship to carry out four-dimensional sampling and water depth detection operation through GNSS equipment and a depth finder carried by the target unmanned ship in an on-line parallel manner; performing coordinate transformation on the acquired GNSS data, performing draught correction on the acquired water depth data, adding an acquisition time identifier to the data, and storing the data according to a time sequence; and after the target unmanned ship completes data acquisition, correcting the projection coordinate data and the water depth data, calculating underwater elevation data, and generating topographic data and / or an underwater longitudinal and transverse section report file.
Owner:GUANGZHOU SOUTH SATELLITE NAVIGATION INSTR

Forced centering device capable of being freely lifted, recycled and capable of achieving integrated operation

PendingCN111811491AConvenient and Integrated ObservationFast Integrated ObservationSurveying instrumentsSteel tubePier
The invention discloses a forced centering device capable of being freely lifted, recycled and capable of achieving integrated operation. The forced centering device comprises a concrete pier, a steelsleeve, a steel pipe column, an instrument erecting platform and centering screws. The lower portion of the concrete pier is buried underground, a circular lifting channel is formed in the center ofthe concrete pier in the axial direction of the concrete pier, the steel sleeve is embedded from a top opening of the circular lifting channel, and the steel pipe column is matched with the steel sleeve in inner diameter and can extend into the steel sleeve and the circular lifting channel to slide up and down. A plurality of threaded holes are formed in the top of the steel sleeve in different directions of the circumferential face of the steel sleeve, and a nut matched with the corresponding threaded hole is screwed in each threaded hole. The instrument erecting platform is fixed to the topend of the steel pipe column, and centering screws are arranged on the top face of the instrument erecting platform. The device has the advantages of free lifting, recyclability, simple processing andmanufacturing (shaping manufacturing), high construction measurement precision, integrated operation, effective reduction of measurement personnel, remarkable improvement of measurement efficiency and the like.
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD

Forest measurement angulometer and application method thereof

The invention discloses a forest measurement angulometer and an application method thereof. The forest measurement angulometer consists of a transparent narrow scale and a yardstick. During observation, a rope end is held in front of eyes with one hand, the scale body is held with the other hand, and counting is performed according to the relations of tangency, intercrossing and clearance between visual lines on both sides of the yardstick and a target tree crown breadth. Two functions are realized: (1) mathematical modeling is determined by measuring the ground diameter, crown breadth, height and biomass of each counted tree, and the total biomass of a sample land is computed by using a mathematical model; (2) measurement of the canopy density of spherical vegetation is realized through the mathematical model by measuring the crown breadth of the spherical vegetation and counting according to the rule. By adopting the method, the measuring efficiency and accuracy of the shrub biomass and canopy density are increased greatly, and the defects of great damage in the conventional destructive measuring method with high accuracy as well as low accuracy in a non-destructive measuring method with no damage are overcome.
Owner:BEIJING FORESTRY UNIVERSITY

Wheel rim and tread linkage measuring apparatus

The invention discloses a wheel rim and tread linkage measuring apparatus comprising a supporting framework and a measuring assembly. The supporting framework comprises a horizontal top arm and at least two vertical arms. A horizontal guiding element passes through the vertical arms. The measuring assembly comprises a wheel rim thickness main measuring plate and a wheel rim width measuring plate which are disposed on the guiding element and which are capable of moving horizontally along the guiding element, an inner positioning plate and a rolling circular positioning contact which are disposed on the free ends of the vertical arms; and a wheel height measuring head and wheel rim auxiliary measuring plate which are capable of moving up and down along the vertical arms. The wheel rim thickness main measuring plate is connected with a measurement transition plate. The wheel rim and tread linkage measuring apparatus may measure all parameters just by one action, achieves an effect of instant contact instant acquisition, greatly increasing measurement efficiency, and may simultaneously QR values if corresponding parts are replaced and added.
Owner:BEIJING SHEENLINE GRP CO LTD

A Measuring Method for Irregular Curved Tunnel

The present invention provides a method for measuring irregularly curved tunnels, by creating a BIM model with an accuracy level of LOD400; and using three-dimensional holographic scanning technology to scan the overall terrain of the construction site, collect three-dimensional point cloud data information, and create a three-dimensional point cloud Then, the BIM model and the 3D point cloud model are fitted and analyzed to obtain deviation data; the BIM model is revised to make the BIM model fully match the 3D point cloud model; finally, the BIM model is input into the terminal equipment of the BIM pay-off robot , control the BIM wire-laying robot to complete the measurement, wire-laying, and positioning of the tunnel construction work, and complete the measurement work of the irregularly curved tunnel construction. The method for measuring irregularly curved tunnels of the present invention can perform measurement operations on irregularly curved tunnels, has high measurement accuracy, simple measurement operation, high measurement operation efficiency, ingenious design, simple operation, low cost, and is suitable for large-scale popularization and application.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Rainproof cover for oil level gauge of transformer oil conservator

The invention provides a rain cover for an oil level indicator of a transformer oil conservator and belongs to the technical field of transformer protection facilities. The rain cover comprises a first supporting frame, a second supporting frame, rain cover bodies, a power supply mechanism, a driving mechanism and an illumination component, wherein the rain cover bodies are in a fan shape, and through the arrangement of the rain cover bodies which are mutual hinged, the unfolding angle of the rain cover is adjustable; and the arranged power supply mechanism can charge a storage battery in thedaytime and can provide a power source for illumination of the illumination component when the oil level indicator is checked at night. Therefore, the technical problems that circuit insulation is poor because the oil level indicator of the oil conservator is prone to be eroded by rainwater, readings of the oil level indicator cannot be seen clearly because light is weak at night, and measurementis not accurate are solved. The rain cover achieves the technical effects that the unfolding angle of the rain cover is adjustable, the oil level indicator can be illuminated, measuring operation efficiency is improved, and circuit insulation performance is protected.
Owner:STATE GRID CORP OF CHINA +1

Tree crown size and surface area measurement technology with electronic theodolite as tool

The invention provides a tree crown size and surface area measurement technology with an electronic theodolite as a tool. The technology is characterized in that peripheral feature points of a tree crown are measured by the electronic theodolite as a tool, data is stored in a memory card of the electronic theodolite, and a tree crown curve regression model is established by the peripheral feature points of the tree crown so as to measure the tree crown size and surface area. The technology can greatly improve the calculation accuracy of the tree crown size and surface area, and overcomes the defects of low accuracy of an existing simple tree crown size and surface area measurement method, and complicated process of an existing tree crown size and surface area measurement method with high accuracy.
Owner:BEIJING FORESTRY UNIVERSITY

Measuring device and measuring method

A measuring device and a measuring method are provided. The measuring device (10) includes a light emitting unit (13) that irradiates pulsed light coupled with a fiber optic component (20) adopted asan object to be measured; a light receiving unit (15) that detects light to be measured, the light to be measured being generated by pulse light irradiated by the light emitting unit (13) and propagating in a direction opposite to the propagating direction of the pulse light; and a control unit (11) that calculates a parameter related to the fiber optic component (20) based on the detection signalof the light to be measured detected by the light receiving unit (15). The control unit (11) determines whether the parameter calculated exceeds a predetermined threshold, and reduces the average intensity of the pulsed light when the calculated parameter exceeds the predetermined threshold.
Owner:YOKOGAWA ELECTRIC CORP +1

Wireless gauging device

The invention detects positional information of a measuring position easily and surely, even when the positional information cannot be detected by a position measuring system, such as GPS by being applied to a radio measuring device of a cellular phone system related to WCDMA, relative to the radio measuring device. The internal space of a structure relative to the measurement position is divided into the state of squares, to thereby set a space of a measuring unit, and a map of the internal space is displayed so that the space of the measuring unit can be discriminated, and a measured result is acquired by specifying the space of the measuring unit, by the display and stored in a memory, together with the coordinate data showing the corresponding space of the measuring unit.
Owner:SHIBASOKU

Small-range dynamic GPS topographic surveying method

The present invention discloses a small-range dynamic GPS topographic surveying method. Said method includes the following steps: first step, defining relative position of GPS base station and moving station, making distance of two station antennas be less than 29 cm; second step, slowly moving moving station, locking satellite according to traditional dynamic GPS location method,making continuous following observation; and third step, if the satellite is unlocked, again starting the above-mentioned surveying sequence in the known any point. Said method is simple, and can effectively raise surveying efficiency.
Owner:INST OF MECHANICS - CHINESE ACAD OF SCI

A rim and tread linkage measuring device

The invention discloses a wheel rim and tread linkage measuring apparatus comprising a supporting framework and a measuring assembly. The supporting framework comprises a horizontal top arm and at least two vertical arms. A horizontal guiding element passes through the vertical arms. The measuring assembly comprises a wheel rim thickness main measuring plate and a wheel rim width measuring plate which are disposed on the guiding element and which are capable of moving horizontally along the guiding element, an inner positioning plate and a rolling circular positioning contact which are disposed on the free ends of the vertical arms; and a wheel height measuring head and wheel rim auxiliary measuring plate which are capable of moving up and down along the vertical arms. The wheel rim thickness main measuring plate is connected with a measurement transition plate. The wheel rim and tread linkage measuring apparatus may measure all parameters just by one action, achieves an effect of instant contact instant acquisition, greatly increasing measurement efficiency, and may simultaneously QR values if corresponding parts are replaced and added.
Owner:BEIJING SHEENLINE GRP CO LTD

Digital measurement management method and management system

PendingCN114742528AGuaranteed accuracyAvoid situations where work is performed without reviewSurveying instrumentsOffice automationNetwork serviceDigitization
The invention provides a digital measurement management method and management system, and the method comprises the steps: S1, obtaining control points of a network server and coordinate information of an engineering structure through an intelligent mobile terminal, and carrying out the site building and lofting through measurement equipment, the control network building station and engineering structure lofting information collected by the measuring equipment is collected through the intelligent mobile terminal and is transmitted to the network server; s2, the network server comprises a measurement and control coordinate calculation management sub-module and a control network sub-module, the measurement and control coordinate calculation management sub-module sets a coordinate data deviation value judgment threshold value, the coordinate data deviation value judgment threshold value is called and used by the intelligent mobile terminal, and the control network sub-module generates engineering field data control network report data; and S3, the intelligent mobile terminal executes a rearview point and third point checking step, and engineering field checking operation is carried out according to the coordinate data subjected to threshold judgment and the engineering field data control network report data.
Owner:CCCC FIRST HIGHWAY XIAMEN ENG +1
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