147 results about "Reference grid" patented technology

A method of interconnecting blocks of heterogeneous dimensions using a NoC interconnect with sparse mesh topology includes determining a size of a mesh reference grid based on dimensions of the chip, dimensions of the blocks of heterogeneous dimensions, relative placement of the blocks and a number of host ports required for each of the blocks of heterogeneous dimensions, overlaying the blocks of heterogeneous dimensions on the mesh reference grid based on based on a guidance floor plan for placement of the blocks of heterogeneous dimensions, removing ones of a plurality of nodes and corresponding ones of links to the ones of the plurality of nodes which are blocked by the overlaid blocks of heterogeneous dimensions, based on porosity information of the blocks of heterogeneous dimensions, and mapping inter-block communication of the network-on-chip architecture over remaining ones of the nodes and corresponding remaining ones of the links.

The systems and methods disclosed herein employ a combination of digital three-dimensional modeling and rapid fabrication technologies to provide pre-indexed, pre-registered, and/or precut components for articulated dental models. Dental articulators and components of dental models as described herein use a positioning key to encode positional information for components of the dental model, and/or a reference grid on mounting surfaces to enforce local accuracy of fabricated parts against a fixed reference array.

A method, apparatus, system, and computer program product provide the ability to extract level information and reference grid information from point cloud data. Point cloud data is obtained and organized into a three-dimensional structure of voxels. Potential boundary points are filtered from the boundary cells. Level information is extracted from a Z-axis histogram of the voxels positioned along the Z-axis of the three-dimensional voxel structure and further refined. Reference grid information is extracted from an X-axis histogram of the voxels positioned along the X-axis of the three-dimensional voxel structure and a Y-axis histogram of the voxels positioned along the Y-axis of the three-dimensional voxel structure and further refined.

A method, system, apparatus and device for the monitoring, diagnosis and evaluation of the state of a dynamic system is disclosed. This method and system provides the processing means for receiving sensed and/or simulated data, converting such data into a displayable object format and displaying such objects in a manner such that the interrelationships between the respective variables can be correlated and identified by a user. This invention provides for the rapid cognitive grasp of the overall state of a critical function with respect to a dynamic system. The system provides for displayed objects, which change in real-time to show the changes of the functions of the system. It is a highly flexible system which works with a wide variety of applications, including biological systems, environmental systems, engineering systems, economic systems, mechanical systems, chemical systems and the like. The device of this invention is adapted specifically to providing objects within a frame associated with other objects in a reference grid to provide a graphical representation of cardiovascular function.

The invention provides an area segmentation method based on a cleaning robot. The method comprises steps that, grid map data is read in; pre-processing on a grid map is carried out; a rotation number N of a reference grid map is calculated; a cycle parameter k is initialized; whether a preset map segmentation condition is satisfied is determined; whether the cycle parameter k is smaller than the rotation number N is determined; a rotation grid map fk is acquired through k*dtheta-DEG rotation of the reference grid map; map segmentation on the rotation grid map fk is carried out; an optimal map sub area in all map sub areas acquired after rotation of the reference grid map is calculated; a main direction of the optimal map sub area is calculated, and the optimal map sub area is deleted from the reference grid map; the cycle parameter k is re-set, whether the preset map segmentation condition is satisfied is re-determined, and a cycle mode is carried out. Through the area segmentation method, a problem of multi-time map establishment existing in cleaning robots in the prior art is solved, and cleaning efficiency of the cleaning robot is greatly improved.

A method for planning the construction of a brick wall, a brick allocating program, and a brick allocating system for allocating bricks, metal plates, and bolts and nuts in a DUP construction method is provided, in which a grid pattern XY coordinate system forming square grids is specified, and odd number layer tightening grids (α) and even number layer tightening grids (β) are alternately set in X- and Y-directions. The brick (10) of an end part of the wall is positioned on a reference grid (γ) so that a first square half part of the brick having a bolt hole (30) matches the odd or even number layer tightening grid. The bricks of the odd or even number layer are successively arrayed from the reference grid, and the metal plates are disposed in such a manner that at least one bolt hole (53) of the metal plate (50) is located on the odd or even number layer tightening grids.

The invention discloses a novel photovoltaic inverter control method based on BP neural network and dual-mode structure repetitive control. According to the invention the output of the photovoltaic grid-connected inverter is connected to a power network after LCL filtering to carry out a sampling link. The phase theta extracted by the improved PLL is fed into the dqalpha beta transform. The difference between the reference voltage of the DC side and the actual voltage of the DC side is inputted into the PI controller; Obtaining the actual current signal ig through abcalpha beta transformationfrom the sampled current of the power network side. The difference between the reference grid-connected current ig and the actual current signal ig in the alpha beta coordinate system after the dqalpha beta transformation is subjected to the alpha beta abc transformation, and then is fed into the composite controller together with the actual current signal ig and the reference grid-connected current ig. The signal processed by the composite controller is sent to the notch filter for processing, and then the processed signal is sent to the SVPWM module, so as to generate periodic switching signals for controlling the grid-connected photovoltaic inverter, thereby suppressing the harmonics of the grid-connected photovoltaic inverter into the power grid. The compensation effect of the invention is superior to the traditional photovoltaic grid-connected inverter.

The invention relates to a device and method for detecting the pavement evenness based on an image moire method. The device comprises a car body, wheels, a reference grid arranged on a bottom plate in the car, a light source, a filter and a focusing lens and a CCD camera, wherein the light source, the filter and the focusing lens are arranged at one side of the reference grid and the CCD camera is arranged at the other side of the reference grid. The device also comprises a notebook computer and a printing device. The computer is connected with the CCD camera and is provided with image processing software which can store and process the pavement images in real time. The invention introduces the image moire method into pavement detection, realizes automation and full digitalization of detection and has the advantages of simple operation, easy realization, low cost, high precision, etc.

Heuristics for resizing displayed objects within an electronic document are disclosed. The heuristics include resizing displayed objects (516) to predefined ratios (3:5), resizing displayed objects by predefined increments (520-2 TO 520-6), relating resizing of displayed objects to a global reference grid (522), and resizing a plurality of displayed objects aligned to an axis.

A method of creating a lenticular imaging article. The method comprises printing an interlaced composite image according to a reference grid of a printer, providing a lenticular lens sheet having a plurality of parallel lenticular lines between a plurality of lenslets, selecting an acute angle for an intersection between the first and second axes according to a function of a resolution of the interlaced composite image and a pitch of the lenticular lens sheet, and positioning the lenticular lens sheet so that the intersection forms the acute angle.

The invention discloses a method and device for determining low quality areas of a mobile network. The method comprises the steps of carrying out gridding on coverage areas of the mobile network; computing a quality index of each grid, thereby determining low quality grids; with respect to a low quality grid not contained in a low quality area list A, and in a grid area taking the low quality grid as a center, if the total number of the low quality grids is greater than a preset threshold, adding all the grids in the grid area to the low quality area list Ai; taking every low quality grid in the grid area as a reference grid, adding the grids of a reference area taking the reference grid as the center to the low quality area list Ai, continuously processing by taking the unprocessed low quality grids in the reference area as the reference grids, thereby expanding the low quality area list Ai; adding the contents of the low quality area list Ai to the low quality area list A; and displaying the low quality areas contained in the low quality area list A in a geographic information system. According to the method and the device, the practical condition of the network can be reflected truly, and the method and the device are not limited to the areas with fixed rules.

The invention belongs to the field of a medium-resolution remote sensing image discrete point DEM (Digital Elevation Model) construction method, which discloses a medium-resolution remote sensing image discrete point DEM construction method based on medium value filtering. The medium-resolution remote sensing image discrete point DEM construction method comprises the following steps of: 1. calculating tidal height information at a satellite imaging moment; 2. dispersing a vector waterline extracted at the satellite imaging moment; 3. combining equidistant tidal level points dispersed in the above steps, building the reference grid of the median filtering according to a remote sensing image resolution ratio, labeling all dispersed equidistant tidal level points, and marking the ID (Identity) of the grid to which the equidistant tidal level points belong; 4. traversing all grids; and 5. on the basis of a median filtering result, building a final DEM result by linear interpolation. In the method disclosed by the invention, the method of median filtering effectively utilizes the elevation information of all discrete points falling in the grids to improve the elevation precision of the discrete point.

The invention provides a geographic position query method and device, and the method comprises the steps: obtaining a query condition of a target location, and obtaining a geographic position code ofan initial geographic area according to the query condition; determining geographic area grid precision corresponding to the geographic position code in the process of querying the target location according to the geographic position code; determining a geographic position query code corresponding to overlapped grid precision of reference grid precision of the reference geographic area grid corresponding to the geographic position code and the geographic area grid precision; and querying a target geographic position code of a target location meeting the query condition in a characteristic geographic area information data set based on the geographic position query code. According to the geographic position query method provided by the invention, the geographic area information of the targetlocation is obtained through query on the premise of effectively controlling the scale of the target location and ensuring the accuracy of geographic position query, so that the query efficiency andaccuracy are improved.

The invention discloses a mixed Gaussian noise sparse Bayesian frequency spectrum sensing method which comprises the following steps: 1) constructing a compression frequency spectrum sensing system model affected by the mixed Gaussian noise; 2) exploring sparsity of a master use power spectrum signals according to the compression frequency spectrum sensing system model; 3) utilizing the sparsity of the master user power spectrum signals to reconstruct the master user power spectrum signals and further judging whether channels are occupied or not. The mixed Gaussian noise sparse Bayesian frequency spectrum sensing method disclosed by the invention is based on a virtual reference grid point scheme and utilizes a layered prior variational Bayesian algorithm to reconstruct power spectrum information of the master user power spectrum signals; thus, convenience is brought to secondary users to use limited frequency spectrum resources. According to the mixed Gaussian noise sparse Bayesian frequency spectrum sensing method disclosed by the invention, effects of the mixed Gaussian noise to recognizing a wireless system are taken into consideration; furthermore, the reconstructed master userpower spectrum signals are prevented from being judged again, and effective spectrum resource information can be obtained.

The invention discloses a reference grid opportunity constraint planning method adapted to large-scale grid connection of wind power, comprising the following steps: giving current grid data, load forecasting value in planning time period, planning scheme of wind farm in planning time period, output level distribution and grid transmission component scheme candidate for grid planning; the optimization model being constructed to minimize the sum of the investment cost and the operation cost of the transmission network in the planning period, and including the constraint conditions to ensure theacceptance level of wind power. The constraint conditions are transformed into mixed integer linear programming (MILP) model, and the conventional mixed integer linear programming (MILP) method is used to solve the optimization model, and the final reference power network optimization scheme is obtained. The invention can be used for evaluating the adaptability of the present power grid in a prospective time scale under the background of large-scale wind power grid connection, defining the development direction of the present power grid, and is an important means for realizing the precise investment of the power grid.