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25 results about "Z-Coordinate" patented technology
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When they are, the z-coordinate is sometimes called the applicate. The words abscissa, ordinate and applicate are sometimes used to refer to coordinate axes rather than the coordinate values. Quadrants and octants. The four quadrants of a Cartesian coordinate system. The axes of a two ...
Method for automatically measuring center position of five-axis turntable cradle
PendingCN120985413AMeasurement/indication equipmentsLarge fixed membersWorking environmentZ-Coordinate
The invention discloses a method for automatically measuring the center position of a five-axis rotary table cradle, and relates to the technical field of five-axis machining tools. The method comprises the following steps: S1, placing a standard ball at a preset position of a five-axis turntable, and enabling a probe to contact and obtain a contact point coordinate; s2, fitting by using a least square method to obtain a sphere center coordinate and a radius; s3, controlling the C shaft to rotate, changing the position of the standard ball, obtaining the contact point again and determining the position of the standard ball; s4, rotating the standard ball to a second position, calculating the center coordinate of the ball, and estimating the center X and Y coordinates of the rotary table; s5, accurately measuring a plurality of sphere center coordinates, and calculating X and Y coordinates and a deviation angle of the center of the rotary table; and S6, controlling the A axis to rotate, calculating a Z coordinate, and finally obtaining a three-dimensional coordinate of the center of the rotary table. Through automatic accurate measurement and optimization calculation, the three-dimensional coordinates of the rotary table can be efficiently and accurately determined, and stable positioning and high consistency in a complex working environment are ensured.
Owner:INNOVISION INTELLIGENT TECH (HANGZHOU) CO LTD
Real-time extraction method and system for mine roadway wall
ActiveCN120894507ADesign optimisation/simulationSpecial data processing applicationsData setCurve fitting
The invention discloses a real-time extraction method and system for a mine roadway wall, and relates to unmanned driving. The method comprises the steps that three-dimensional point cloud data of a roadway environment is collected through a vehicle-mounted multi-laser radar; converting the point cloud data under each laser radar coordinate system into a vehicle body coordinate system; projecting the point cloud data set to a two-dimensional grid taking an x-y plane of a vehicle body coordinate system as a reference, calculating a difference between a maximum value and a minimum value of z coordinates of all point clouds in each grid, taking the difference as an elevation difference value of the corresponding grid, and generating a two-dimensional elevation gradient map; taking the elevation gradient map as input, performing feature extraction by using a pre-trained U-Net variant convolutional neural network, and performing dichotomy on each pixel by using a softmax classifier; and performing curve fitting on the divided roadway wall boundary points, calculating a curvature value, selecting a corresponding fitting model according to the curvature value, and outputting a roadway wall boundary line. The method does not need to depend on any pre-constructed map, converts the three-dimensional point cloud projection into a bird's-eye view elevation gradient map, and captures the geometric mutation characteristics of the roadway wall.
Owner:LEIKE ZHITU (BEIJING) TECH CO LTD
A 3d exp platform modeling method based on a two-dimensional layout of relief plugs
The application provides a 3DEXP platform modeling method based on a two-dimensional arrangement drawing of a relief valve. The technical scheme comprises the following steps: firstly, analyzing information requirements of a relief valve model arrangement of a 3DEXP platform, and setting a relief valve equipment model library in the 3DEXP according to a relief valve standard; then, reading relief valve positioning information from a two-dimensional arrangement drawing, the two-dimensional arrangement drawing of the relief valve containing complete coordinate axis information of the whole ship, and based on this, performing two-dimensional arrangement of the relief valve to read out XY coordinate values of the relief valve; then, in the case of determining two coordinate parameters, establishing vertical lines based on the XY coordinate values of the relief valve in the 3DEXP platform to determine Z coordinate values; finally, setting a separate coordinate axis for each relief valve, and taking intersection lines of YZ and XZ planes of the coordinate axis and an outer plate as a basis for inclination of the relief valve, thereby completing model arrangement of the relief valve after twice inclination rotation of the relief valve, and realizing arrangement of the relief valve adhering to the outer plate.
Owner:JIANGNAN SHIPYARD (GRP) CO LTD
Method for magnetorheological finishing of multi-faceted conformal element
The application relates to the technical field of optical processing, in particular to a magnetorheological polishing multi-surface common element integrated processing method, which comprises the following steps: S1, decomposing a known actual grating track into a row coordinate according to a longitudinal coordinate mutation point; S2, splitting each row track into a main mirror first track segment, a slave mirror track segment and a main mirror second track segment according to a transition point circle diameter; S3, determining a transition point extension length according to a magnetorheological equipment removal function length; S4-S5, respectively extending the main mirror track segment and the slave mirror track segment and inserting new points; S6, obtaining three-dimensional coordinates by calculating z coordinates of each segment by using a corresponding surface equation; S7, splicing to generate a single-row ordered point sequence; and S8, combining all row tracks and rotating an angle to obtain a final track. θ Through the above scheme, the problems that multi-surface common element segmented processing has long redundant time, low efficiency, and the transition area joint is not accurately processed, the transition area of the optical element has a large range of edge, the effective aperture is reduced, and the imaging quality of the optical system is affected are solved.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
Universal clamp for five-axis machining precision verification
The utility model discloses a universal clamp for five-axis machining precision verification. The universal clamp comprises a part blank, a conversion circular plate, a first positioning pin, a second positioning pin, a third positioning pin, a pressing plate, a pressing plate supporting column and a locking bolt. A threaded hole, a supporting column fixing hole, a first pin hole, a second pin hole, a third pin hole and a mounting hole are formed in the front face of the conversion circular plate. When the fixture is used, the conversion circular plate is connected with a working table of a machine tool, then the three positioning pins are inserted, so that the X coordinate axis, the Y coordinate axis and the Z coordinate axis of a part blank are limited, then the four pressing plates are used for pressing the part blank, and fixing of the part blank is completed. The device is low in cost, convenient to install, free of interference in machining and suitable for test pieces of various sizes, and meanwhile the positions of the three positioning pins and the four pressing plates can be moved to adapt to the test pieces of different specifications.
Owner:SW ASIA CO LTD
A method for calibrating the distance between the center of the turntable and the distance from the axis to the plane of the turntable in a dual-turntable five-axis device.
ActiveCN119388228BMeasurement devicesMeasurement/indication equipmentsComputational physicsZ-Coordinate
Owner:ZHEJIANG UNIV +1
Method, system and equipment for evaluating precision state of numerical control machine tool and medium
PendingCN121979096AImprove efficiencyincrease flexibilityProgramme controlComputer controlNumerical controlControl engineering
The invention discloses a numerical control machine tool precision state evaluation method, system and device and a medium, and relates to the field of numerical control machine tool precision evaluation, and the method comprises the steps: installing a plurality of measurement blocks at a plurality of preset positions of a numerical control machine tool workbench; determining coordinate data of each measurement block along X, Y and Z coordinate axis directions to form a plurality of groups of measurement data; and determining the positioning errors of the X, Y and Z coordinate axes, the straightness deviations of the X, Y and Z coordinate axes and the perpendicularity deviations of the X, Y and Z coordinate axes based on a plurality of preset positions and a plurality of groups of measurement data. The objective of the invention is to solve the problems of high cost, long time consumption and incapability of efficient and integrated measurement of key geometric precision measurement of a traditional method in precision detection of a numerical control machine tool.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP
A workpiece welding slag detection method, medium and system based on a 3D line scanning camera
ActiveCN115760731BAccurate detectionImprove detection efficiencyImage analysisCharacter and pattern recognitionSlag (welding)Point cloud
The application discloses a workpiece welding slag detection method and system based on a 3D line scanning camera, and comprises the following steps: S1, a single frame point cloud of a workpiece is acquired; S2, a straight line is extracted for the single frame point cloud, the distance of each point on the point cloud to the straight line is calculated, and is compared with a preset distance threshold value; if the distance is less than the preset distance threshold value, the corresponding point cloud is filtered out, and the z coordinate z_l of the projection point of each point on the straight line is calculated; if the z coordinate of the point is less than the z coordinate z_l of the projection point, the point is filtered out; S3, the retained point cloud is spliced into a total point cloud, the point cloud groups in the total point cloud are segmented, the span distances of the point cloud groups in different directions are calculated, and the span distances in different directions are compared with a preset span distance threshold value; if the span distance is greater than the preset span distance threshold value, the corresponding point cloud group is filtered, and the workpiece welding slag is obtained. The application has the advantages of high detection efficiency, accurate and comprehensive detection, etc.
Owner:SPEEDBOT ROBOTICS CO LTD
Micro-vibration evaluation method, system and equipment considering time weighting and storage medium
The invention discloses a micro-vibration evaluation method, system and device considering time weighting, and a storage medium. The method comprises the following steps: preprocessing original micro-vibration data; setting the length of the analysis blocks and the overlapping ratio between the adjacent analysis blocks; carrying out block processing on the whole data, and if data less than one analysis block exists at last, abandoning the processing; calculating the duration of each analysis block, and taking the central moment of the analysis block as the representative moment of the analysis block; performing fast Fourier transform on all the analysis blocks, adding window function operation and multiplying by an energy recovery coefficient; effective values of all the analysis blocks at all the center frequencies are calculated; and drawing a time-center frequency-micro-vibration grade color cloud picture by taking time as an X coordinate, the center frequency as a Y coordinate and the velocity spectrum effective value as a Z coordinate. According to the method, the evaluation dimensions are more, the expression information is more complete, and the change rule of the speed effective value of each center frequency at different center frequencies and along with the time change of the micro-vibration can be displayed at the same time.
Owner:CHINA ELECTRONICS SYST ENG NO 2 CONSTR
Processing plane spatial position determination method, recording medium and system
The invention belongs to the technical field of mold manufacturing, and discloses a method for determining the spatial position of a machining plane. Comprising the following steps: establishing an X / Y / Z coordinate system by taking a geometric center of a processing area in a design processing plane as an original point of the coordinate system, making a normal vector line of the design processing plane through the original point and projecting the normal vector line on an XY plane, measuring an included angle between the normal vector line and a Z axis and an included angle between a projection line and an X axis, and rounding respectively, and a normal vector line of the actual machining plane is limited and restored according to the rounded angle, and a plane perpendicular to the normal vector line and passing through the original point is the actual machining plane. According to the method, various auxiliary lines can be automatically made by utilizing drawing software, angles are automatically decomposed, angle values are measured and output, and new machinable planes are automatically rounded and output according to the measured values, so that mold design data are easy to backtrack, machining quality reinspection is facilitated, the tedious degree of later modification is reduced, the design time is shortened, and the production efficiency is improved. The die is suitable for manufacturing various dies with inclined machining planes.
Owner:东风模具冲压技术有限公司
Offloading slam processing to a remote device
A request to add an overlay at a pixel located at (x, y) coordinates in images is received. Waypoints in a three-dimensional space are identified with respective two-dimensional projections onto the images falling inside a circle with a given radius r and centered at (x, y). An overlay z-coordinate is determined for the overlay as a weighted sum of respective z coordinates of the waypoints. The overlay is assigned a location (x, y, overlay z-coordinate).
Owner:TRANSITION TECH PSC SA
A container intelligent crossing inspection system and method
The present invention relates to the field of electronic technology applications, and discloses a container intelligent crossing inspection system and method. The container intelligent crossing inspection system includes: an image acquisition module for obtaining images of three sides of the container. A type acquisition module is used to obtain the container type. A travel sensor is used to obtain the x-axis coordinate of the container. A distance sensor is used to obtain the y and z coordinates of the container. An image stitching module is used to obtain the overall container surface map. A spatial construction module is used to form a three-dimensional container map and the three-dimensional coordinates of the container. A component classification module is used to obtain the component name, three-dimensional coordinates and send an abnormal signal. An outlier determination module is used to obtain the defect type. A microscopic camera is used to obtain the defect size and defect characteristics. A repair determination module is used to obtain repair measures. By constructing a coordinate system to locate each component of the container and comparing them through an exposure model, defects are accurately acquired and determined with high accuracy.
Owner:NANJING PORT LONGTAN CONTAINER CO LTD
Scanning stage
PCT designated stageWO2025229785A1Semiconductor/solid-state device testing/measurementSemiconductor/solid-state device manufacturingTarget surfaceCentre of rotation
Provided is a small-sized scanning stage for scanning a device on the surface of a scan target having a large diameter. A scanning stage 10 comprises: an X-Y stage (21); a device (17) that is fixed to an X-Y-Z coordinate system common to the X-Y stage (21); a rotating stage (22) provided on the X-Y stage (21) and holding and rotating a scan target (15); a first drive unit (11) that drives the X-Y stage (21) so that an input / output axis (18) of the device (17) scans a scan region (R) which is one region that is set from among a plurality of regions (A, B, C, D) into which the scan target (15) is equally divided with respect to a rotation center O of the rotating stage (22); and a second drive unit (12) that drives the rotating stage (22) so that a region (A, B, C, D) yet to be scanned is positioned in the scan region (R).
Owner:TAKAOKA TOKO
Sliding surface geometric inversion method coupling InSAR deformation data and numerical simulation
The invention is suitable for the technical field of slip surface inversion, and provides a slip surface geometric inversion method coupling InSAR deformation data and numerical simulation, and the method comprises the steps: obtaining SAR image data, DEM data and drilling data of a landslide region; constructing a two-dimensional geologic model of the landslide area in three-dimensional simulation software based on the DEM data and the drilling data; optimizing the z coordinate vector by using a particle swarm optimization algorithm to obtain an optimal z coordinate vector which has a minimum fitness function and meets a preset spatial constraint; and constructing a sliding surface curve based on the optimal z coordinate vector. According to the invention, the efficiency and objectivity of sliding surface inversion can be improved.
Owner:CENT SOUTH UNIV
Three-dimensional velocity model time-depth conversion method and device, medium and equipment
The invention provides a three-dimensional velocity model time-depth conversion method and device and a medium, and belongs to the field of geophysical exploration. The method comprises the following steps: step 100, inputting original velocity volume data and carrying out preprocessing; step 200, generating a three-dimensional velocity model; step 300, calculating travel time by a rapid travel method; step 400, calculating coordinate mapping by a windward finite difference method; and step 500, outputting travel time and a coordinate mapping result. According to the method, the velocity model is constructed, the seismic wave propagation travel time of each grid point is calculated by using the fast marching method, and the X, Y and Z coordinates of each measurement point on the seismic wave propagation path are further calculated by using the windward finite difference method, so that the calculation accuracy and efficiency of the seismic wave propagation path are improved; the method is suitable for seismic wave propagation simulation in a complex stratum environment, and provides reliable data support for geophysical exploration.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1
Hard composite insulator heavy pollution area determination method based on umbrella skirt surface pressure inflection point
The invention relates to an umbrella skirt surface pressure inflection point-based hard composite insulator heavy pollution area determination method, which comprises the following steps of S1, constructing a flow field equation near an insulator by using an RNG k-epsilon equation model, solving by adopting a Phase Couple SIMPLE algorithm, and analyzing a flow field around the insulator after a steady-state value is reached; s2, performing two-dimensional planarization processing on the surface of the umbrella skirt of the insulator, constructing an x-z coordinate system, drawing a plurality of groups of concentric circle lines, extracting pressure numerical values on the circle lines on the surface of the umbrella skirt, constructing a pressure-coordinate pressure distribution equation, performing derivation on the equation, and recording a coordinate value when the derivative is zero, wherein the coordinate value is a pressure inflection point; s3, forming a fitting curve on the two-dimensional planarized umbrella skirt of the insulator; and S4, constructing a high-voltage transmission line composite insulator heavy pollution area, defining boundary points, determining the shortest distance between two arcs, and then calculating each parameter. The method is low in operation difficulty, wide in application range and high in accuracy.
Owner:STATE GRID GANSU ELECTRIC POWER RESEARCH INSTITUTE
Concave-convex surface feature intersection line identification method and carriage welding seam identification method using same
The invention provides a concave-convex surface feature intersection line identification method and a carriage welding seam identification method applying the same. The method comprises the following steps: S1, acquiring 3D point cloud data of a substrate plane and a vertical face; s2, fitting a reference substrate plane C; s3, projecting the 3D point set to a reference substrate plane C and abandoning the z coordinate to obtain a 2D point set P; s4, obtaining an intersection projection area; s5, confirming intersection points according to a preset rule, and obtaining a 3D point cloud set Q according to all the obtained intersection points; and S6, fitting to generate an intersection line. By adopting the method provided by the invention, the concave-convex condition of the intersection line can be restored, the accuracy of intersection line identification is effectively improved, and the method is suitable for accurate identification of characteristic intersection line welding seams in scenes such as concave-convex deformation of old truck walls, automatic cutting and the like.
Owner:NANJING KINGYOUNG INTELLIGENT SCI & TECH
A real-time extraction method and system for a mine roadway wall
ActiveCN120894507BDesign optimisation/simulationSpecial data processing applicationsData setCurve fitting
The application discloses a real-time extraction method and system for a mine roadway wall, and relates to unmanned driving: three-dimensional point cloud data of a roadway environment is collected through a vehicle-mounted multi-laser radar; point cloud data under each laser radar coordinate system is converted to a vehicle body coordinate system; a point cloud data set is projected to a two-dimensional grid with the x-y plane of the vehicle body coordinate system as a reference, the difference between the maximum value and the minimum value of the z coordinates of all point clouds in each grid is calculated as the elevation difference value of the corresponding grid, and a two-dimensional elevation gradient graph is generated; the elevation gradient graph is used as input, a pre-trained U-Net variant convolutional neural network is used for feature extraction, and a softmax classifier is used for two-classification of each pixel; curve fitting is performed on the roadway wall boundary points obtained through segmentation, the curvature value is calculated, a corresponding fitting model is selected according to the curvature value, and the roadway wall boundary line is output. The application does not need to rely on any pre-constructed map, converts three-dimensional point cloud projection into a bird's eye view elevation gradient graph, and captures the geometric mutation characteristics of the roadway wall.
Owner:LEIKE ZHITU (BEIJING) TECH CO LTD
Complex terrain rapid creation method based on BIM (Building Information Modeling) technology
The invention discloses a BIM (Building Information Modeling) technology-based complex terrain rapid creation method, which relates to the field of new energy terrain investigation, and comprises the following steps of S1, scanning a complex terrain by using an unmanned aerial vehicle to acquire terrain data; s2, carrying out noisy point processing and data thinning processing on the topographic data to obtain processed data points; s3, generating a DEM model by using the processed data points, and exporting X, Y and Z coordinate data; s4, the coordinate data are imported into Dynamo, and coordinate points are automatically processed and arranged through coordinate geometry Cogo; and S5, generating a point group and a curved surface. By means of the Dynamo technology and the unmanned aerial vehicle scanning technology, a large number of feature points with coordinates and elevations can be efficiently, rapidly and accurately processed, a complex terrain curved surface is automatically generated, the model can be modified and processed in real time by modifying a data table in real time, and powerful data support is provided for subsequent earthwork calculation.
Owner:CHINA TIANYING +1
Method and system for determining orientation and x-coordinate of a movable object relative to a bo field magnet
The invention relates to a method for determining an orientation of an object in an X-Z coordinate plane relative to a B0 field magnet of a magnetic resonance tomograph by means of a three-dimensional magnetic field strength sensor arranged in fixed relative position at the movable object, comprising at least the following steps: providing B0 reference data; positioning the object with respect to the Z coordinate axis at a first position outside the B0 field magnet; providing a first measurement value of the magnetic field strength sensor at the first position; deriving a first angle value by means of the first measurement value of the magnetic field strength sensor at the first position and the B0 reference data; positioning the object with respect to the Z coordinate axis at a second position inside the B0 field magnet; providing a second measurement value of the magnetic field strength sensor at the second position; deriving a second angle value by means of the second measurement value of the magnetic field strength sensor at the second position and the B0 reference data; correcting the first angle value by means of the second angle value and providing a corrected first angle value.
Owner:SIEMENS HEALTHINEERS AG
Device for automatically measuring lattice coordinates of stacker
The utility model provides a device for automatically measuring lattice coordinates of a stacker, which comprises a goods shelf, the stacker and a positioning measuring device, a plurality of lattices are arranged on the goods shelf in a rectangular array, and the depths of the lattices extend along the Z-axis direction; a telescopic pallet fork is arranged and can move in a reciprocating mode in the Z-axis direction so as to stretch into the goods grids or retract from the goods grids; the stacking machine can drive the telescopic pallet fork to horizontally move in the X-axis direction and do lifting motion in the Y-axis direction, the X-axis direction is the length direction of the goods shelf, and the Y-axis direction is the height direction of the goods shelf. The positioning and measuring device is arranged on the stacking machine and used for measuring the X coordinate, the Y coordinate and the Z coordinate of a goods lattice at a target position and reading the X coordinate and the horizontal walking speed of the goods carrying table when the goods carrying table moves in the X-axis direction and the Y coordinate and the lifting speed of the goods carrying table when the goods carrying table moves in the Y-axis direction in real time; according to the utility model, the measuring efficiency of goods grids is improved, the labor cost is reduced, the operation safety is guaranteed, and the system adapts to the intelligent warehousing development trend.
Owner:BEIJING MATERIALS HANDLING TECH INST CO LTD
Dielectric structure useful for shaping electromagnetic phase wavefronts
A dielectric structure useful for shaping electromagnetic, EM, phase wavefronts, includes: a body having a monolithic construct; the body having a height dimension, H, from a proximal end to a distal end equal to or less than 60% of an overall outside dimension, D, of the body at the distal end, the distal end being disposed a distance away from the proximal end along a z-axis of an orthogonal x-y-z coordinate system, the distal end forming an electromagnetic aperture of the structure; the body having a sidewall between the proximal end and the distal end that forms and defines an interior cavity that is open at the proximal end, and closed at the distal end, the sidewall having a plurality of structural disruptions around an enclosing boundary of the interior cavity, the plurality of structural disruptions disposed and configured to reduce electromagnetic reflections.
Owner:ROGERS CORP
Method and device for adjusting angle of target to be measured, equipment and medium
PendingCN121149077ASemiconductor/solid-state device testing/measurementSemiconductor/solid-state device manufacturingWaferComputational physics
The invention provides a to-be-measured target angle adjusting method and device, equipment and a medium, a to-be-measured target and a starting point of the to-be-measured target are determined from a wafer, and a to-be-measured point is determined in the to-be-measured target based on the starting point; in the to-be-detected target, three-dimensional coordinates of three data detection points are determined, and the to-be-detected point is located in a triangular area defined by the three data detection points; determining a first angle of the triangular region in the x direction relative to the preset reference plane based on the x coordinate and the z coordinate of the first data detection point and the x coordinate and the z coordinate of the second data detection point through a trigonometric function relationship, and determining a second angle of the triangular region in the x direction based on the y coordinate and the z coordinate of the third data detection point and the y coordinate and the z coordinate of the first data detection point or the second data detection point; determining a second angle of the triangular area in the y direction relative to the preset reference plane; the to-be-measured target is adjusted according to the first angle and the second angle, so that the angle of the to-be-measured target can be accurately adjusted, and the bare chip adjustment cost is reduced.
Owner:SKYVERSE TECH CO LTD
Method for rapidly evaluating flatness error
The invention relates to a method for quickly evaluating a flatness error, which comprises the following steps of: performing integral translation on discrete data points of a measured plane based on a minimum region criterion, constructing a standardized flatness mathematical model, and searching a unit normal vector of an ideal reference surface to realize quick calculation of the flatness error. According to the method, an original measurement point is moved forwards by a preset distance along a Z axis, so that Z coordinates of all data points are positive, and the influence of coordinate positions on an evaluation result is eliminated; then assuming that an ideal reference surface passes through an original point, establishing a reference surface equation and a unit normal vector thereof, and calculating a projection distance from each point to the reference surface; constructing an objective function through the maximum projection distance and the minimum projection distance, and updating a reference surface normal vector by adopting an iteration mode to obtain an ideal reference surface meeting a minimum region criterion; and outputting the minimum distance difference between the inner and outer parallel surfaces as a flatness error. The method is clear in structure, easy to code, high in implementation speed and capable of obtaining a high-precision flatness evaluation result in a short time.
Owner:绍兴职业技术学院
Verification of an ecdsa signature
PCT designated stageWO2026082931A1User identity/authority verificationComputations using residue arithmeticComputational physicsZ-Coordinate
The invention provides a method for verifying an ECDSA signature. A point R is defined by u1*G+u2*Q, G being a base point, Q being a public key point, u1 and u2 are scalar expressed as a series of bits u1[k] and u2[k], and the method comprises: - determining (202) coordinates for G, Q and G+Q with a common initial value Zinitial; - initializing (204) a first scalar variable λ to 1; - initializing (204) an accumulating variable and iterating the following steps for k varying between 1 and n-2 : - updating (209) the accumulating variable by applying a function to a previous value of the accumulating variable, the function being selected based on u1[k] and u2[k]; - updating (210) λ so that a current value of the Z coordinate of the accumulating variable is equal to Zintiial multiplied by the first scalar variable λ.
Owner:THALES DIS FRANCE SA