295 results about "Fitting-out" patented technology

Construction systems for erecting building structures comprise a plurality of prefabricated interconnectable modular building units, each unit not meeting at least one of the ISO certification criteria for transport of cargo, but each unit comprising a frame shaped as a rectangular parallelopiped and comprised of framing members and a plurality of nodes, each node situated at a corner of said frame for selective interconnection with other units, the nodes and the exterior dimensions of the frame conforming to ISO shipping standards such that each unit is transportable using the ISO intermodal transportation system, and such that when the units are aggregated horizontally and vertically and adjacent units are interconnected, a building structure comprising at least one habitable space is formed. The modular units are assembled in a factory remote from the job site, and are there constructed to a semi-finished state, including installation of one or more of interior fit-out systems and finishes, exterior envelope systems, plumbing systems, electrical systems, environmental systems, and fire protection systems, following which the semi-finished modular units are transported from the factory to the job site, where they are craned into place and secured to form the structure being erected, a plurality of adjacent pairs of semi-finished modular units also being “stitched” together, and the semi-finished modular units are thereafter constructed to a finished state.

This array antenna with anti-jamming in reception for radioelectrical or ultrasound waves is provided with radiating elements fitted out individually or in groups with amplitude-controlled and phase-controlled passive or active modules enabling aiming at transmission as well as at reception by analog beam-forming. It possesses a reception anti-jamming circuit carrying out successively two reduced, adaptive computational beam-forming operations, one in elevation which is performed on a grouping, in horizontal alignments, of the reception signals of the radiating elements and working on the reception signals by modifying the settings of the controlled modules and the other in relative bearing, performed on a grouping, in vertical alignments, of the signals of the radiating elements that which it phase-shifts and adds up to form a reception channel for the total antenna. The reception anti-jamming thus obtained has performance characteristics comparable to those that would result from a full adaptive beam-forming operation. At the same time, it requires a far smaller volume of processing.

The present invention relates to a cornice / skirting mounting system and, in particular, to a 2-part system involving an anchor member (26) and an outer fascia member (28) which is removably attachable to the anchor member (26). The cornice / skirting mounting system of the present invention thus provides a complete system for fitting out a home with wall-wall, wall-ceiling, and wall-floor lining, with benefits prior to installation, and post-installation.

The invention relates to the technical field of natural gas peak shaving operation, in particular to a comprehensive evaluation method for peak shaving schemes of a gas pipe network and a gas storage. The method comprises the steps of 1, predicting a city gas load: building a city gas load prediction model by adopting an artificial neural network model, and predicting the city gas load subjected to peak shaving by using a differential evolution extreme learning machine algorithm, thereby determining a peak shaving quantity; 2, performing peak shaving optimization on the gas storage: according to previous peak shaving operation experience of the gas storage, fitting out a relational expression of operation parameters of the gas storage and the peak shaving quantity, and obtaining a gas recovery rate of the gas storage under a certain peak shaving quantity; 3, simulating a peak shaving quantity of the pipe network, and obtaining preselected peak shaving schemes; and 4, comprehensively evaluating the peak shaving schemes: comprehensively evaluating different peak shaving schemes to obtain an optimal peak shaving scheme. According to the method, the conditions such as peak gas consumption of users, peak shaving capability of a pipeline, peak shaving capability of the gas storage and the like are comprehensively considered, so that the optimality and scientificity of making and arranging the peak shaving schemes are effectively improved.

The invention discloses a cabin entry process for a main diesel generating set of a 50,000-ton semi-submerged ship. The cabin entry process comprises the following steps of: 1) selecting a cabin entry position and entering from a sectional folding port; 2) determining a cabin entry mode and horizontally pulling in by using a tool; 3) preparing for a cabin entry condition of the main diesel generating set; 4) preparing for cabin entry of the main diesel generating set, and arranging a rail, wherein two strips of sectional transverse H-shaped steel are arranged on the two sides of the rail; 5) lifting the main diesel generating set by using a gantry crane; 6) connecting a hoist, slowly pulling the main diesel generating set into a cabin by using the hoist, and checking a folding condition of a host pedestal and the rail at any time to prevent paint on a base of the main diesel generating set from being scratched; and 7) dragging the main diesel generating set out of the rail when completely reaching a preset mounting position. By the cabin entry process, the disassembly work of a cabin structure and pipe outfitting can be reduced, safe and high-efficiency cabin entry and completeness of the structure and the outfitting are guaranteed, and the workload is reduced.

In order to increase the robustness and reliability of the vehicle, reduce the time taken to manufacture it, to enable certain stages of such manufacture to be performed by robots, and to be able easily to adapt the appearance of the vehicle on demand, the body is of hybrid structure comprising an aluminum or aluminum alloy "frame assembly", an aluminum or aluminum alloy "roof assembly", and two "fitted-out face assemblies" of composite material each fixed both to the frame assembly and to the roof assembly. The invention is particularly suitable for manufacturing cars for trains.

The invention discloses a device and a method for measuring poses of an embedded type spraying gun in real time. A laser ray outgoing end of a spotted state laser is arranged in the device and is placed opposite to the surface of a measured spray object; a lens of an area array CCD camera is placed opposite to the surface of the measured spray object; and an image processing card is electrically connected with the area array CCD camera. The method comprises the following steps of: acquiring a relation equation of a two-dimensional position coordinate of each laser spot in an image and a three-dimensional coordination of each laser point under a coordinate system of the area array CCD camera by using a calibration method; calculating a two-dimensional coordinate of each laser spot center in the image, and calculating the three-dimensional coordinates of an X-axis, a Y-axis and a Z-axis of the laser spot under the coordinate system of the area array CCD camera; and finally, according tothe three-dimensional coordinates of six laser spots, fitting out a plane equation of the plane on which the six laser spots are by using a least square method, and resolving the relative poses of a sprayed plane and the area array CCD camera according to the fitted plane equation, thereby finishing the measurement of the poses of the spraying gun.

The present invention relates to a polarimetric calibration technique based on natural distribution scenes and a rare calibrator, which is used for the calibration and correction of distorted polarimetric synthetic aperture radar (SAR) data. The present invention breaks the calibration bottleneck of domestic machine-borne polarimetric SAR data, and develops a technique which utilizes widely distributed natural ground objects for the crosstalk calibration of polarimetric data without the help of an artificial corner reflector and needs only one or a small amount of triple-sided corner reflectors for the calibration of the imbalance of polarimetric receiving channels. In addition, the technique uses the strength change of natural ground object scenes with wide similar radar backward scattering properties in the distance direction to fit out an antenna directional pattern, and fully utilizes polarimetric ground object information to correct all the polarimetric SAR channel data with the same antenna directional pattern, thereby retaining the polarimetric scattering characteristics of ground object targets before and after correction.

A system, method and computer program product for facilitating eye glasses selection, configuration and marketing is disclosed. Aspects of the invention assist in eyeglasses frame selection and lens configurations and selection. Photos of individuals needing / seeking eye glasses can be taken or uploaded; eyeglasses and / or frames may be simulated or merged into photos and shared via network connection. Optical code reading ability provides fast access to eyewear information. Eyewear industry information is provided to assist in retail and associate operations and eyeglasses frame and lens selections.

The invention discloses a quick drought index monitoring method based on a land surface temperature and vegetation index feature space. The method specifically comprises the following steps: remotely sensing land surface temperature and vegetation index of a monitored area by utilizing a satellite; taking prior information as a determination condition, and preprocessing the data of the satellite; constructing a feature space based on the preprocessed land surface temperature and normalized vegetation index satellite data; fitting out wet sides and dry sides of the feature space by the feature space; obtaining the intercept of the wet sides and the dry sides, the slopes of the wet sides and the dry sides and the like by the wet sides and the dry sides of the feature space; obtaining a temperature vegetation drought index according to each feature space parameter, the land surface temperature and the normalized vegetation index satellite data; obtaining the water content of land surface soil according to the temperature vegetation drought index, and finally performing drought monitoring. According to the method, the problems that the dry sides and the wet sides in the conventional feature space method are instable, variable difference is magnified excessively, and even an error phenomenon that the numerical values of the obtained parameters exceed the due physical meaning range of the parameters appears are solved.

The invention provides a regular linear interference suppressing method based on polynomial fitting, comprising the following steps of: (a) artificially recognizing an apparent velocity range of regular linear interferences; (b) performing frequency separation processing on the acquired seismic data through wavelet transform, thereby obtaining low frequency data and high frequency data; (c) determining an apparent dip range of noise data according to the apparent velocity range of the noise data, performing optimal mid-value scanning of apparent dips, and determining the optimal direction of the regular linear interference at the current apparent dip; (d) performing polynomial fitting on the noise data in the optimal direction of the regular linear interference; (e) repeating the steps (c) and (d) until all regular linear interferences in the low frequency data are fitted out; (f) reducing the fitted regular interference data from the original low frequency data obtained through frequency separation, thereby obtaining low frequency data after the regular interference is suppressed; and (g) obtaining the seismic data after the noise is suppressed according to a polynomial fitting rule from the low frequency data after the regular interference is suppressed and the original high frequency data after frequency separation.

The invention discloses a method for obtaining a true Raman spectrum of a cell by multiple linear regression fitting. The method comprises the following steps: acquiring the original Raman spectrum of the cell; acquiring a smooth Raman spectrum after smoothing; acquiring primitive-variable Raman spectrums of all primitive variables in the cell; initially fitting and calculating an approximate fluorescence background Raman spectrum of the cell; obtaining a fitting coefficient corresponding to each primitive variable and background variable by multiple linear regression fitting; finally determining the fluorescence background Raman spectrum of the cell by the sum of products of the background variable Raman spectrums and corresponding fitting coefficients; deducting the obtained fluorescence background Raman spectrum by using smoothing Raman spectrum and obtaining the true Raman spectrum of the cell. The method disclosed by the invention is used for eliminating the background fluorescence of the Raman spectrum of the cell, can fit out the fluorescence background of the Raman spectrum of the cell more accurately than other methods, and can realize fast elimination of the fluorescence background of the Raman spectrum of the cell so as to obtain the true Raman spectrum of the cell.

The invention discloses an equipment life and health monitoring method and system based on original fault data. The method includes the steps: preprocessing the original fault data; building a two-parameter Weibull distribution model, determining a failure distribution function value by the aid of an approximate medium rank formula method, fitting out a regression equation of the Weibull distribution model by a least-square parameter estimation method at fault occurrence time based on the calculated failure distribution function value, and determining scale parameters and shape parameters; substituting the scale parameters and the shape parameters into a failure distribution function in two-parameter Weibull distribution, and determining a failure distribution function model; determining a reliability function; equipment reliability calculation: substituting time intervals between given time and last fault repair time into a reliability function, and calculating equipment reliability; dividing the health interval of equipment according to the obtained equipment reliability; giving suggested equipment maintenance starting and ending time according to the health interval of the equipment.

The invention discloses an electrocardiosignal denoising method. The electrocardiosignal denoising method includes the steps that when electrocardiosignals are obtained, high frequency regions and low frequency regions of the electrocardiosignals are determined; the electrocardiosignals are filtered through a first filter, and mathematical expressions of power frequency interference signals in various low frequency region signal sections are fitted out according to interference signals filtered out by the first filter; subtraction processing is conducted on the electrocardiosignals in various high frequency region signal sections and the power frequency interference signals fitted out through the adjacent low frequency region signal sections; low frequency region signals obtained after filtering and high frequency region signals obtained after subtraction processing are spliced in an original sequence; the spliced electrocardiosignals are subjected to high frequency filtering processing through a second filter. The invention further discloses an electrocardiosignal denoising device. The electrocardiosignal denoising method and device have the advantages that the power frequency interference signals and other high frequency interference signals in the electrocardiosignals are filtered out, inherent high frequency components of QRS wave groups are reserved, and the degree of distortion is low.

The invention relates to a protein folding parallel predicting method. The method includes the following steps: obtaining different protein structures through molecular dynamics simulation; setting different temperatures, and obtaining more protein structures with different conformations; partitioning the protein structures with different conformations through a conjugate cap molecule partitioning method, decomposing amino acids from proteins, and wearing a conjugate cap on each amino acid; calculating out the electrostatic potential of molecular fragments through quantum mechanics software to fit out the electric charge of each atom in each amino acid molecular fragment, and updating the electric charge of atoms in a molecule force field. To research protein folding, the scheme of considering a protein polarization effect and a copy interchange-based method are organically integrated, and then two difficult problems of atom interaction potential and a sampling technique in dynamics simulation can be overcome in order to achieve a good effect in protein folding simulation.

The invention discloses a method and a device for creating a function curve of an identified material in a system for inspecting an object by utilizing forward scattering radiation. The method comprises the following steps: enabling direct radiation emitted by a radiation source and the forward scattering radiation emitted by a scattering body to interact with known materials with different thicknesses, and detecting to obtain penetration numbers; matching the penetration numbers of two kinds energy to various materials with the same thickness, and calculating a specific value between transparencies under the two kinds of energy; and grouping according to the different materials, and fitting out the variation curve of various materials along with the thickness according to the specific value, wherein the variation curve is used as the function curve of the identified material. The method and the device for creating the function curve of the identified material can be used for performing non-out of box audit on cargoes at customs, harbors and airports, and also can be used for biological studies or medical detection.

The invention provides a deck face hatch cover system installing method. The method comprises the steps that firstly, hatch covers are manufactured, concretely, longitudinal and transverse center lines and involution lines of the hatch covers are marked; secondly, an outfitting piece is installed on a ship in advance, concretely, longitudinal and transverse center lines and hatch cover theoretical lines of hatch coamings are marked, the positioning size of the outfitting piece is measured, and the outfitting piece is directly assembled and welded before the hatch covers are installed to the ship; thirdly, the hatch covers are installed on the ship, concretely, the hatch covers are hoisted to the ship to correspond to the hatch cover theoretical lines at the front end and the rear end of the upper hatch coaming, separating seams of the port and starboard hatch covers are adjusted to correspond to the longitudinal center line on a hatch coaming panel, and the contact gap between supporting blocks and press depths of rubber strips are adjusted to meet tolerance requirements. By the adoption of the deck face hatch cover system installing method, it can be ensured that the measurement standard needed when the outfitting piece is manufactured and the standard needed when the outfitting piece is preinstalled on the ship are consistent, the period of installing the outfitting piece on the ship is shortened, the percent of pass of installation precision and quality is improved, and hatch cover repeated hoisting and conveying frequency can be reduced.

The invention discloses a design method for reference lines for mounting an outfitting piping system in an inverse segment of a cabin surface. The method comprises the following steps: the first step, establishing a three-dimensional reference, the intersection point of a shipboard side wall and the bow of a deck, and the intersection point of the shipboard side wall and a stern of the deck serve as the first management reference point a and the second management reference point b separately, and the intersection point of a cross wall and the midship of the deck serves as the third management reference point c; the second step, drawing waterline marks, drawing deck minus 1000mm waterline marks on the shipboard side wall, the cross wall and a longitudinal bulkhead by using a gradienter; the third step, based on the segment standard three-dimensional measurement data report, drawing corresponding half-width reference lines from the shipboard side wall to the midship by 200mm and 10m straight thatching line auxiliary reference lines on the framework surface of the deck, and drawing bow-end and stern-end frame plus or minus 200mm end reference lines on the corresponding positions. By adopting the design method, the outfitting piping system can be highly precisely mounted in the segment of the cabin, and the purposes of cancelling joining and correcting pipes on site are realized for most of the segments. The design method is high in precision and the piping system can be highly precisely mounted in the segment of the cabin.

An imaging method of interference fitting aperture radar based on multiple ultra-displayed point includes selecting out pixel point with heavy energy named as ultra-displayed point from ISAR image, using interference means to obtain phase main value, making dewrapping on said main value to obtain true value of each ultra-displayed point, carrying out scaling on said point to obtain Doppler frequency and horizontal distance, fitting out relation of said frequency to said distance and carrying out scaling on each pixel point of ISAR image to obtain In ISAR image reflecting true size of object.

The invention discloses a bending fatigue testing method of a fiber reinforced material, comprising the following steps: step S1 of testing basic parameters and determining test conditions; step S2 of adjusting a test span; step S3 of setting a test compensation path; step S4 of determining the maximum stress; step S5 of carrying out a plurality of stress level tests to obtain a bending performance test and a stress-strain curve, finding dependent variables of corresponding stress values by means of getting points, and calculating a deflection value of strain corresponding to each stress based on a deflection value calculation formula; step S6 of setting test stress parameters; step S7 of carrying out bending fatigue tests at different times; and step S8 of linear fitting: drawing an S-N curve of test values by means of a regression linear analysis based on the test result in the step S7 by taking N as a vertical coordinate and S as a horizontal coordinate, and fitting out a fitted equation of log10(stress)=a-blog10(times) or (stress)=a*(times)<(-b)> based on the S-N curve. The bending fatigue testing method of the fiber reinforced material disclosed by the invention provides a method evidence for a bending fatigue test of the fiber reinforced material, and fatigue test life can be quickly obtained by the fitted equation.

The invention relates to an evaluation method of shale organic matter porosity. The method is characterized by the following steps: 1) organic carbon content and total pore volume or total porosity of shale samples under homologous organic matter type and same organic matter thermal evolution degree in an area to be measured are measured; 2) relation between the organic carbon content and total pore volume or total porosity is established; 3) a plane-coordinate system with the organic carbon content being the horizontal axis and with the total pore volume or total porosity being the vertical axis is established; 4) data of the organic carbon content and total pore volume or total porosity of the shale samples are introduced into the plane-coordinate system, a straight line is fitted out, and slope and vertical intercept of the straight line are calculated; and 5) organic matter pore volume or organic matter porosity of the shale samples in the area to be measured is calculated, and organic matter porosity of shale is further evaluated so as to finish reservoir capacity evaluation of shale reservoir stratum of the area to be measured. The method of the invention is easy to operate, and is practical and low-cost.

The invention discloses a process for sectionally putting up ship berths or docks, which includes the following steps: A, putting up the structures below a ship cabinet area, namely a main deck on a ship berth or dock; B, putting up a first general section, a second general section, a third general section, a fourth general section and a fifth general section on the main deck, sequentially assembling and welding the same structurally, and meanwhile, carrying out pipelines of fitting-out, ventilation projects and painting an outer board of a ship generally; C, arranging temporary process hole subsections on the second general section, the third general section and the fourth general section; D, laying down the temporary process hole subsections to the ship; E, hoisting a main unit; F, lifting the temporary process hole subsections, namely inlaying subsections onto the ship and integrating the same to an original hole, and assembling and welding; and G, lifting an upper building general section on the upper portion of the third general section and the fourth general section, and structurally assembling, positioning and welding. The process for sectionally putting up ship berths or docks has the advantages that ship putting-up efficiency is improved and construction difficulty is reduced.

The invention discloses a maintenance and spare part supply combined optimization method based on a deterministic inventory degradation model. The maintenance and spare part supply combined optimization method based on the deterministic inventory degradation model comprises the steps of selecting and fitting out the deterministic inventory degradation model according to inventory degradation data, introducing the deterministic inventory degradation model, computing the expected maintenance expense, the expected spare part purchasing expense, the expected spare part storage expense and the expected spare part shortage loss expense, building a maintenance and spare part supply combined optimization model according to the deterministic inventory degradation model, and carrying out optimization solution. The method takes the spare part inventory degradation phenomenon which is ignored but very important in the maintenance optimization process into account, and combines the historical inventory storage degradation data to obtain the deterministic inventory degradation model which describes the spare part inventory degradation phenomenon. Meanwhile, the deterministic inventory degradation model is introduced into the computation of the maintenance and spare part supply related expenses, the combined optimization model is built more reasonably, the combined optimization model is more suitable for the practical situation than an original model, and a more accurate result can be obtained.

The invention belongs to the components of a large radio telescope, especially relates to a co-driving parallel mechanism array on an active reflector of a large radio telescope with the number of the control nodes reduced and the control difficulty decreased. N parallel mechanical units are distributed and fixed on a base by the distribution of equilateral triangle, thus forming the co-driving parallel mechanism array on the active reflector of the large radio telescope. An active telescopic driver unit drives three adjacent reflector units at the same time, implementing the coupling amongst the reflector units. The regular hexagon reflector units of the N parallel mechanical units fit into the rotating parabolic reflector. The parallel mechanical array of the invention can reduce the number of the driving motor by 2 / 3, and decrease control difficulty; the engineering cost is reduced with one constraint branched chain reduced on each reflector. The rotating parabolic reflector can be fitted out via the parallel mechanism array, thus solidifying the need for large scale surface fitting.

A fuselage structure for a rotorcraft (1), the structure comprising load-bearing members including middle frames (9a, 9b) carrying a top floor (12a) and a middle floor (12b). The middle floor (12b) internally partitions the fuselage into two compartments (6, 7), including a cabin-forming top compartment (6) and a bottom compartment (7) having an open bottom (23) leading to the outside via the bottom face of the fuselage. The middle floor (12b) provides a loading plane in the top compartment (6) having a false-floor (27) made up of interchangeable slabs (28) fitted out in a variety of ways. The middle floor (12b) also forms an anchor member from which equipment (16, 17) for suspending can be suspended, which equipment is accessible from outside the fuselage through said open bottom (23).

The invention discloses a method for synthesizing a transverse-wave well-logging curve under a stratum condition. The method comprises the following steps of: standardizing the well-logging curve; selecting a key well with transverse-wave well-logging data in a research area; selecting a marker bed in the key well; computing mineral constituents in the stratum; according to a geological layering condition in the area, on the basis of main mineral constituents in a rock core analysis, establishing a multi-mineral model of each bed; computing transverse-wave well-logging response of each mineral constituent of the stratum rock; re-establishing the transverse-wave well-logging curve; and fitting according to the transverse-wave well-logging responses of the mineral components and the computed volumes of the mineral constituents in each bed to obtain the transverse-wave well-logging curve of the whole stratum. By using the conventional well-logging curve and the fine multi-mineral model and according to the transverse-wave well-logging responses of the constituents of different minerals, pores, fluids and the like, a transverse-wave curve representing the features of the stratum is fitted out and the fitting precision and accuracy are very high.

The invention provides a big data fitting-based method and system for monitoring refractive growth of teenagers. The method comprises the steps of S1, building a big data model of a multi-factor dynamic refractive value; and S2, fitting out a dynamic refractive value of a tester by utilizing the big data model of the multi-factor dynamic refractive value in combination with basic information of the tester according to a naked eye vision detection value of the tester, obtaining reasons of poor vision of the tester, and if the tester needs to be subjected to deep refractive growth monitoring, fitting out a static refractive value of the tester by utilizing the big data model and performing long-term monitoring. By adopting the method and the system, the dynamic refractive value of the tester can be fitted out only by collecting the naked eye vision and the basic information of the tester, and the monitoring mode is simple; and for people needed to be subjected to refractive growth monitoring, the static refractive value of the tester can be fitted out only by detecting dynamic refraction, an adjustment range and various parameters of the biological structure of the eyes of the tester, without use of medicinal liquid for ophthalmoplegia, and the monitoring mode is simple.

The invention provides a queue length automatic detection method and a queue length control method. The queue length automatic detection method comprises the following steps: detecting pedestrians based on a human body structure model algorithm; tracking the pedestrians through a feature online selection lifting algorithm; fitting out a queue shape of pedestrians through an RANSAC-based least square polynomial curve fitting method according to the detected pedestrians, and estimating the length of the queue; converting an image coordinate system into a world coordinate system through image calibration, and calculating the actual queue length; and calculating the length of the curve through curve fitting, and calculating the number of people in the queue according to the queue length and the distance between adjacent people in the queue. Through the queue length automatic detection method and the queue length control method of the invention, the length of a pedestrian queue in a monitoring scene can be detected quickly and accurately, the problem of target loss is avoided, and no pedestrian is missed in detection. Through real-time queue monitoring, passengers can move to a handling window with a shorter queue in a timely manner. Therefore, the problem of waiting in a queue is solved, and passengers can be better served.

The invention discloses a construction technique for conveying an immersed tube for a long distance with a self-propelling-type semi-submersible boat, and the construction technique is used for conveying the immersed tube from an immersed tube prefabrication factory to a foundation trench zone for assembly construction of the immersed tube. A first immersing operation zone is arranged in a temporary mooring zone of the immersed tube prefabrication factory; a second immersed operation zone is arranged beside the foundation trench; the immersed tube and an immersed tube assembly boat are loaded on the self-propelling-type semi-submersible boat at the temporary mooring zone and are conveyed to a turning zone; the immersed tube assembly boat and the immersed tube are unloaded in the second immersed operation zone; the immersed tube is floating-conveyed to the foundation trench zone for assembly construction of the immersed tube by tugs and the immersed tube assembly boat; and a mooring fitting-out zone does not need to be arranged beside the foundation trench, so that time and economic investment during previous preparation work is greatly reduced, and construction work efficiency is improved.

The invention relates to a method of calibrating a parabolic catadioptric camera by use of a single sphere and an orthogonal vanishing point. The method is characterized in that only a sphere element is used. Firstly, the edge points of a mirror surface contour projection and the edge points of a target image are extracted from an image, a mirror surface contour projection and a sphere image projection are obtained by fitting based on a least square method. Secondly, antipodal image points are obtained according to the relationship between image points and antipodal image points thereof, and an antipodal sphere image of a sphere image is fitted out; two different points are taken from the sphere image, and the antipodal image points of the two points are calculated out; the two groups of antipodal image points provide a group of orthogonal vanishing points; and six groups of points (there are two different points in each group) are taken from the sphere image to obtain six group of orthogonal vanishing points. Finally, the intrinsic parameters of the camera are calculated based on the constraint of the orthogonal vanishing points on the intrinsic parameters of the camera; and in the process of calculation, five intrinsic parameters of the parabolic catadioptric camera are calculated using one image of a shooting target of the parabolic catadioptric camera.