61 results about "Rose diagram" patented technology

The invention discloses a deforming statistical map based multi-view spatio-temporal data visualization method and application. Spatio-temporal data having geography and time attributes is visualized by adopting a method of multi-view and multi-tag mixed layout formed by combining a traditional map, a statistical map, time axis and a pie chart, a bar graph, a bubble chart and a Nightingale rose diagram in a statistical chart, and the dissymmetry problem of data distribution and space utilization of a traditional map visualization method and the problem that the attributes of multi-dimensional data display are not comprehensively displayed are avoided. A user can be helped to understand all the aspects of data from multiple perspectives, meanwhile a classic visualized statistic analysis chart, the map time axis and the like are combined, so that data display is specific and vivid. The deforming statistical map based multi-view spatio-temporal data visualization method can be applied to the fields of data visualization of microblogs, WeChat, demographic statistics, infectious disease distribution, elector distribution and the like, and visualization and visual analysis conducted on the data having the time relation of spatial distribution are achieved.

The invention relates to a downhole directional hole bedding guided drilling system and method based on formation lithology identification. The lithology while-drilling identification of a drilling stratum is achieved through a direct parameter comparison method and an orientation radiating rose diagram comparison method according to coal measure stratum lithology while-drilling identification criteria and the stratum natural radiation value, measured by a coal measure stratum physical property parameter while-drilling measurement device in real time, of the near-bit position. By combination with measurement of a drilling track, precise space positioning of a practical drilling track relative to a target stratum is achieved, and bases are provided for controlling a downhole directional hole to do bedding extension in the target stratum in the preset direction; the technical problems that an existing underground coal mine directional drilling technology can only conduct drilling according to the space geometric positioning of the drilling track, cannot distinguish strata and is poor in drilling efficiency and low in target stratum elongation are solved; and through precise bedding directional drilling of the downhole directional hole, an effective means is provided for improving the drilling construction efficiency and the utilization effect, verifying the stratum geological information of a mine lot and ensuring drilling construction safety.

The invention discloses a wind farm wind turbine combination process based on wake effect clustering. The method includes acquiring historical winding measuring data, more than one year, of a wind measuring tower corresponding to a wind farm to be measured, and calculating a dominant wind direction of the wind farm to be measured by the wind speed rose diagram analysis method; on the basis of the acquired dominant wind direction of the wind farm to be measured, calculating wake effect on wind speed by using a Larsen model; on the basis of the acquired dominant wind direction of the wind farm to be measured and the acquired wake effect on wind speed, clustering wind farm wind turbines; on the basis of clustering results, calculating wind speed of each wind turbine according to a wake model. The wind farm wind turbine combination process based on wake effect clustering, defects of low stability, poor security and small adaptive range in the prior art can be overcome, and stability is high, security is high and adaptive range is wide.

The invention discloses an optimized arranging method for wind generator groups in a wind farm. The method comprises the following steps: 1, calculating the wind direction frequency of wind in 16 directions at the height of machine set hubs of the wind farm, as well as the direction distribution of effective wind energy density, and drawing a wind direction rose diagram and an effective wind energy rose diagram according to the results; 2, ensuring that the wind generator groups face the main guiding direction of wind directions or the main guiding direction groups of effective wind energy are kept in accordance with each other, so that the rate between the row space and the line space of the wind generator groups are in proportion to the frequency rate between the main guiding direction group and secondary main guiding direction groups of wind directions or wind energy; respectively calculating the generated electrical energy of the two arranging schemes; and confirming a better scheme; and 3, calculating according to row or line space optimized recurrence relational expression (11) of wind generator groups, and carrying out further optimized arrangement. According to the method provided by the invention, the operation of the wind generator groups and the wind resources in the wind farm are matched optimally, so as to collect wind energy to the utmost extent, and acquire maximum upper wire generated electrical energy.

The invention provides a satellite-borne SAR (Synthetic Aperture Radar) based offshore wind energy resource remote sensing method. The satellite-borne SAR based offshore wind energy resource remote sensing method comprises step 1, obtaining a long time sequence SAR sea surface wind speed value in every grid and a sea surface wind direction value in every grid after grid processing and generating a wind rose diagram; step 2, obtaining different altitudes of sea surface wind speed values, estimating a scale factor A and a shape factor k in every grid and calculating an average wind speed value of different altitudes of representative wind energy characteristics; step 3, obtaining a wind energy density value; step 4, generating a remote sensing result distribution diagram of the different altitudes of SAR offshore wind energy resources, obtaining the macroscopic and microscopic time and space characteristics of the offshore area wind energy resources according to the remote sensing result distribution diagram and giving out the microscopic time and space characteristics of a potential wind power station and potential wind power station wind energy resources; step 5, giving out fan space layout parameters of the potential wind power station and combining with a microcosmic research result of the win energy resources of the potential wind power station to give out the fan layout of the potential wind power station.

The invention discloses a plateau mountain area wind power forecasting method based on different wind speed sections. The method comprises the following steps that: collecting the geographic coordinates of n pieces of fans of a wind power plant, the topographic map, which contains a coordinate direction, of a wind power plant area, the wind speed data of a numerical value weather forecast, historical wind speed data and a wind direction rose diagram; dividing positions where the n pieces of fans are positioned into a flat area, the front side of a hillside and the back side of the hillside; clustering the historical wind speed data of the area where the wind power plant is positioned to obtain m wind speed sections; utilizing the historical wind speed data of the area where the wind power plant is positioned to aim at three classes of positions to independently carry out segmentation fitting on the wind speed of the m pieces of wind speed sections to obtain a wind speed model which considers the fan position of the plateau mountain area; establishing an annual wind speed set; taking the wind speed set as a sample set to cluster the wind speed to establish the wind power forecasting model of a support vector machine; and calling the wind power forecasting model of the support vector machine to carry out wind power forecasting. By use of the method, the technical problems of low accuracy, big errors and the like since an air return phenomenon and different positions of the fans are not considered can be solved.

The invention provides a method for drawing a wind-rose chart based on the ExtJx. The method comprises the steps that original wind factor data of different modes are processed in a unified mode and stored in a database through a data enhancing preprocessing engine process; data analysis and assembly are conducted on wind-rose chart data obtained from the database by a wind-rose chart data service providing process according to a timing condition and wind-rose statistical data are provided for a front platform; different display modes of the wind-rose chart are configured by a rose chart drawing assembly 'Wind Rose Chart', the display modes are configured to a Panel assembly of the ExtJs and are bound with a data set of the wind-rose chart; after an ExtJs event mechanism asynchronously judges that the data arrive, the rose chart is updated. The method is convenient to deploy and capable of rapidly and accurately conducting rendering at the front end and updating the wind-rose chart in time and providing full support for development of the rose chart at the front end of a Web information system, and can be conveniently and rapidly connected to the Web information system needing rose chart drawing.

Systems and methods for computing a variogram model, which utilize a variogram map and a rose diagram to compute the model.

The invention relates to an Excel-based method for drawing an oblique rose diagram of a geologic body and geologic elements. An Excel template file for drawing the oblique rose diagram is created by using Microsoft Excel2010 software. According to the technical scheme, the method comprises the steps of 1, making an Excel form: inputting original data of measured inclination of the geologic body into the form; processing the original data, performing grouping statistics on an inclination direction and an inclination angle, and converting the inclination direction and the inclination angle into azimuth angle coordinates; and describing an azimuth angle coordinate system and calculating circle coordinates and azimuth angle scale line coordinates; and 2, drawing the oblique rose diagram: drawing the oblique rose diagram in the form of a scatter diagram by the circle coordinates, the azimuth angle scale line coordinates and the coordinates of the inclination direction and the inclination angle, obtained by processing. The method has the advantages that data statistics and processing can be automatically carried out and the diagram can be formed only by inputting the original data; and the method is simple, easy to operate, flexible, high in adaptability, large in data volume, high in accuracy and attractive in maps or drawings, so that the drawing time of the oblique rose diagram is greatly shortened and the working efficiency is improved.

The invention relates to a method for judging the main provenance direction of a progradation body by using a progradation angle rose diagram. The method includes following steps that: 1) with the boundaries of the progradation body identified, seismic data are utilized to determine the center point of the progradation body, and follow-up profile observation and angle measurement are carried out with the center point of the progradation body adopted as a rotation original point; 2) layer flattening processing is performed on a seismic reflection layer; 3) the due north reference profile of the progradation body is determined, the progradation angle of the true north reference profile is measured; 4) n profiles parallel to the due north reference profile are selected, so that a progradation angle in due north can be calculated; 5) the reference profile is rotated, so that progradation angles in other directions can be obtained; 6) the measured progradation angles are utilized to make the progradation angle rose diagram; and 7) the main provenance direction of the progradation body is judged according to the progradation angle rose diagram. With the method of the invention adopted, the main provenance direction of the progradation body can be explained directly and effectively. The method has guiding significance for the division of stages of complex bodies of sedimentary bodies of a tectonic region and research of reservoir characteristics and sedimentary phases, and has high operability.

The invention provides an oval-section steel pipe pile foundation. The cross section of a steel pipe pile is oval, the wind load in the long-axis direction of the oval cross section of the steel pipepile is a maximum wind load value, the wind load in the short-axis direction is a value obtained by reducing of the maximum wind load value according to a wind speed ratio, the wind speed ratio is theratio of a second maximum wind speed to a maximum wind speed, and the maximum wind speed and the second maximum wind speed are determined according to a wind speed rose diagram. The horizontal bearing capacities of the oval cross section of the steel pipe pile in the long-axis direction and the short-axis direction can be independently calculated. The checking and calculating method for the horizontal bearing capacity of the section of the steel pipe pile comprises the following steps: S1) calculating a maximum wind pressure; (S2) calculating a maximum horizontal force, (S3) calculating a second horizontal force, (S4) determining an elliptic equation, (S5) determining the shape of the steel pipe pile, (S6) checking and calculating the horizontal bearing capacities of the elliptic cross section in the long axis direction and the short axis direction, and (S7) determining the elliptic cross section size of the steel pipe pile. The invention has the advantages that the oval-section steelpipe pile foundation is safe, reliable, economic and reasonable.

The invention discloses a three-dimensional roughness description method for a rock mass structural surface based on borehole camera technology. The method comprises the steps of obtaining a hole walldeveloped panoramic view; obtaining the contour line of the lower wall surface of the rock mass structural surface; fitting a structural surface fitted line, and obtaining the reference plane of thelower wall surface of the rock mass structural surface, and the inclination orientation and the inclination angle of the rock mass structural surface; acquiring a contour line developed curve; acquiring a spliced contour line; obtaining the reference contour line of the set sampling length and the set sampling precision; according to the fractal dimension of each reference contour line segment, forming a structural surface roughness coefficient rose diagram and describing the three-dimensional roughness of the rock mass structural surface based on the same. The method can well describe the three-dimensional roughness information of the rock mass structural surface, and solves the problem that the three-dimensional roughness information of a deep rock mass structural surface is difficult toobtain.

The invention discloses a rotation diamond based attribute extraction and fault description method, which comprises the following steps of: a, determining a surface element range; b, inputting seismic data, giving size values of a long shaft and a short shaft of a diamond, selecting a point (sampling point) in data, rotating at 360 degrees, and extracting data in the surface element range during rotation at each angle; c, selecting an attribute metric and calculating an attribute value of the attribute metric in allusion to extracted data; d, taking maximum value or minimum value to serve as the attribute value of the point after calculating the attribute values of all angles of the point; e, continuously selecting other points in the data, and repeating the steps b, c and d until all points are selected; and f, displaying the minimum attribute value by using a slice in allusion to edgewise data of a fracture system, displaying the rotation attribute values of different angles by using a rose diagram in allusion to well points, and displaying a final result by using a histogram in allusion to a fault broken belt. The rotation diamond based attribute extraction and fault description method has good noise immunity and resolution rate, can be used for identifying fault and crack directions, and also can be used for quantitatively judging the fault broken belt.

The invention belongs to the technical field of offshore wind power foundations and discloses a model testing apparatus for multidirectional horizontal loading on a fan foundation. The model testing apparatus comprises a model box filled with a foundation soil, wherein a loading frame is mounted on the top of the model box through horizontal fixed slideways and longitudinal fixed slideways; a foundation model is mounted in the foundation soil of the model box; the top of the foundation model is connected with a loading rod, which extends upward into the loading frame; a guide plate, a horizontal beam, a fixed beam, guide pulleys and an angle-control servo motor are mounted on the loading frame; and a first steel wire rope, a second steel wire rope, a counterweight beam, a load counterweight block and a load-control servo motor are mounted on the fixed beam. The model testing apparatus can control multidirectional horizontal monotonic and cyclic loads on the wind power foundation model,so as to achieve accurate control over any directions and frequencies of loads on the foundation model; and the model testing apparatus rotationally simulates wind loads in different directions and different frequencies in an actual project and can perform loading according to a wind-rose diagram.

The invention, which belongs to the technical field of geological structure measurement, relates to a method for measuring and determining a paleocurrent direction by using electric imaging logging. Provided in the invention is a method for analyzing and determining a paleocurrent direction of an underground reservoir stratum by using electric imaging logging data. Electric imaging logging data are processed; sub-layer sub-section statistics is carried out on the data; and a paleocurrent direction is determined based on a chart after statistic processing. To be specific, the method comprises the following steps of determining a reservoir sand body type, processing imaging data, generating an electrical imaging image, deducting a mudstone layer, carrying out sub-layer sub-section statistics, drawing a rose diagram, determining a paleocurrent direction, and verifying a calculation result. Because the paleocurrent direction is determined by using the electric imaging logging data, a phenomenon that lots of time is spent in identifying and picking up lots of geologic features by a manual method in an electrical imaging graph is avoided; various restrictions of the field exposure observation are eliminated; the measurement process principle is scientific and reliable; the measurement accuracy is high; the intelligent degree of computer processing is high; lots of manpower and properties are saved; the processing speed is fast; and the application environment is friendly.

The invention relates to a wind frequency data processing method and device, and belongs to the technical field of meteorology science. The method comprises the following steps that: obtaining original data which comprises meteorological element data and/ or pollutant concentration data; according to a preset method, carrying out error correction processing on the original data to obtain data to be processed; according to a preset classification rule, grouping the data to be grouped; and according to the grouped data to be processed, drawing a wind-rose diagram. The data to be processed is subjected to the error correction processing and grouping processing, the grouped data is subjected to targeted drawing so as to be convenient, quick and easy in popularization. By use of the method, theprocessing efficiency of the wind-rose diagram of automatic station observation data is greatly improved, and the method has a good application effect on the scientific research and business units ofenvironment-protection and meteorological industries.

The invention discloses a building group natural ventilation potential assessment method and system. The assessment method comprises the steps that the meteorological data of different time periods throughout the year and the building information of the building group are acquired; the wind rose diagram of different time periods throughout the year is established according to the meteorological data; the fa ade wind pressure threshold exceeding probability statistical model of the building group is established according to the wind rose diagram and the building information; and the natural ventilation potential of the building group under different meteorological conditions within the time period to be tested is assessed according to the fa ade wind pressure threshold exceeding probabilitystatistical model. With application of the assessment method and system, the assessment accuracy of the natural ventilation potential of the building group can be enhanced.

The invention provides an anisotropy characterization method and an anisotropy characterization system based on an all-direction common imaging point gather. The method comprises the following steps: acquiring the all-direction common imaging point gather stored in an azimuth angle-offset distance domain data regularization format; determining the anisotropy strength on the all-direction common imaging point gather; determining an azimuthal anisotropy relative coefficient on the all-direction common imaging point gather; determining an azimuthal anisotropy coefficient according to the anisotropy strength and the azimuthal anisotropy relative coefficient; drawing a rose diagram according to the azimuthal anisotropy coefficient. Aiming at the all-direction common imaging point gather for azimuth angle processing, an anisotropy rose diagram is made based on gather horizon energy attributes or time difference attributes in order to characterize the anisotropy strength in any direction.

The invention discloses a comprehensive analysis and judgment method based on a dynamic positioning capability rose diagram. The comprehensive analysis and judgment method comprises the steps of calculating a probability density distribution function P (psi) of a heading of an ocean structure within a working heading interval [psistart, psiend]; customizing a judgment scheme according to the dynamic positioning capability comprehensive analysis and judgment standard; confirming the proportion factor lambda of the stability (shown in description) of the dynamic positioning capability in the whole dynamic positioning capabilities. The comprehensive analysis and judgment method can customize a corresponding judgment scheme according to the working condition of the ocean structure in a specific working sea area so as to comprehensively compare the positioning capability under different working conditions.

The invention relates to a building solar energy potential rose diagram drawing method, and the method starts from a building monomer, and uses a certain building to obtain the sum of solar radiationin a certain orientation within a specified time period to represent the solar energy potential of the building in the orientation. The potential of solar energy has vector characteristics, i.e., directions and sizes. Therefore, the building solar potential rose diagram is drawn by integrating the building orientation and the corresponding solar radiation quantity. The rose diagram can visually express the relation between the orientation of the single building and the obtained solar energy under specific conditions, the solar energy potential of the building can be conveniently evaluated fromthe orientation angle, and the optimal orientation of the building can be determined in an assisted mode in the design stage. In addition, the problem that in traditional building orientation designsimulation, only the optimal orientation is given or only the optimal range is pointed out, and other result expression modes are single can be solved.