37results about How to "Speed up division" patented technology

A highly integrated miniature RF module includes a dielectric base board with opposing top and bottom metal layers and having interconnects traces, radio frequency (RF) circuits and semiconductor chips at the top metal layer and ground and signal pads at the bottom metal layer. Metalized vias extending through the dielectric material connect the top and bottom layers. A top cover made out of laminate material, such as FR-4, with opposing top and bottom metal layers and having machined compartments and channels, surrounded with arrays of metal plated vias extending through the laminate material, protects the RF circuits and chips and provide the required isolation and wave propagation.

The invention discloses an extensible partition method for associated flow graph data, comprising the following steps: (1) preprocessing graph data and converting a node as the node ID; (2) adding each preprocessed side which is existed in an ID form in FIFO and waiting to enter into a sliding window to process; 3) completing the sliding window and calculating the PageRank value of each node according to a mixing approximation PageRank method; (4), tracking the collection of the initial node corresponded by each node in a subgraph, which is composed of sides in the sliding window and obtaining associated value of each node; (5) obtaining a plurality of centroids and corresponding clusters by adopting an affinity propagation clustering algorithm to all nodes in the window; (6) obtaining a plurality of partitioning results which are not of uniform size via associating repeated iteration of a clustering method and storing the partitioning results whose scales are less than threshold value in the sliding window; (7) transmitting the partitioning results whose scales reach or exceed the threshold value to the appropriate storage node by using a data distribution method; and finishing the graph data partitioning. Compared with the prior art, the method provided by the invention has higher partitioning quality.

The invention discloses a method suitable for the transportation burnup coupling calculation of a nuclear reactor. The method comprises the following steps that: 1: carrying out transportation calculation on the nucleus concentration of burnup step initiation to obtain a coarse mesh parameter and a microcosmic reaction rate; 2: carrying out burnup calculation by the microcosmic reaction rate and the nucleus concentration to obtain the nucleus concentration estimated by a burnup step end; 3: carrying out the transportation calculation by the estimated nucleus concentration to obtain the coarse mesh parameter and the microcosmic reaction rate; 4: dividing burnup CMFD (Coarse Mesh Finite Difference) substeps in a burnup step, and carrying out linear interpolation on the stored coarse mesh parameter; 5: updating the microcosmic reaction rate of the burnup CMFD substeps by the coarse mesh parameter obtained in the 4 and thin mesh neutron flux in the 3; 6: carrying out the burnup calculation by the microcosmic reaction rate on the burnup CMFD substeps to obtain the accurate nucleus concentration of the burnup step end; and 7: judging whether a burnup step number is consistent with an input value or not to judge whether calculation is finished or not. By use of the method, on a premise that extremely high accuracy is guaranteed, the step length of the burnup calculation is extremely enlarged, and calculation time in the whole service life of the nuclear reactor is shortened.

The invention discloses a coding unit dividing method and a video coding method based on quad-tree constraint. The coding unit dividing method comprises the following steps of inputting a video texture image with more than two viewpoints and a depth image sequence; recording division level information of a maximum coding unit of each independent viewpoint; obtaining a matching unit of each storage unit in the maximum coding unit in the independent viewpoint; obtaining an initial division level graph of sub-blocks corresponding to the maximum coding unit; correcting the initial division level graph by utilizing a quad-tree constraint condition; and outputting division of each maximum coding unit of the current coding viewpoint. The coding unit dividing method is adopted to divide the coding units in the video coding method. By utilizing the division information of the coding units of the independent viewpoint to help the dependent viewpoint to carry out division of the coding units and utilizing the quad-tree constraint condition to correct the division level graph of the coding units, the existing complicated algorithm is avoided, the whole division process of the coding units is accelerated, and the efficiency is improved.

The invention relates to a meshing method of a finite element model of a turbine blade thermal barrier coating. The meshing is conducted in finite element software ABAQUS and comprises the following steps that the established finite element model of the turbine blade thermal barrier coating is cut into two segments of a leaf blade body and a tenon, and the cutting position is a chamfering boundary of the connecting portion of the tenon and the leaf blade body; meshing is conducted to the leaf blade body through the following steps that (1), an auxiliary line is added to connect boundary points of all layered chamfering at the same chamfering, so that a straight line perpendicular to the interface is obtained, (2), seeds are arranged, and overall seed arrangement is firstly conducted according to sizes, then rearrangement of the seeds is conducted to the auxiliary line in the thickness direction according to the number, (3), a hexahedral sweep mesh is selected and meshing is conducted to the portion; meshing is conducted to the tenon portion. The meshing method of the finite element model of the turbine blade thermal barrier coating is simple and feasible, and can be completed just by applying the finite element software ABAQUS, ensures mesh quality, and greatly improves the meshing speed.

The present invention relates to the process of regualting haemtococcus pluvialis population density and synthesizing and accumulating astaxanthin as intracellular secondary catabolite in a photobiological reactor system. The process includes establishing a photobiological reactor system with main reactor made of transparent material, outside controllable lighting facility, speed regulating vane wheel stirrer, water rolling wheel, ventilating and oxygen supplying unit, nutritious liquid compounding and temperature controlling unit and sterilizing unit; antering environment conditions to regulate haemtococcus pluvialis population density and synthesize, accumulate and collect astaxanthin; low temperature drying; etc. The natural astaxanthin is a kind of carotinoid with important physiological functions and very strong antioxidant activity.

Described is a method for identifying a gene which mediates antibiotic sensitivity or resistance in a target bacterium, the method comprising the steps of: (a) generating a pool of mutant target bacteria by transposon mutagenesis with an activating transposon (TnA), wherein the TnA comprises an outward-facing promoter (TnAP) capable of increasing transcription of a gene at or near its insertion site in the DNA of said target cells; (b) generating a control microdroplet library by encapsulating individual members of the pool of step (a) in microdroplets, the microdroplets comprising a volume of aqueous growth media suspended in an immiscible carrier liquid, each microdroplet comprising a single mutant target cell; (c)generating a test microdroplet library by encapsulating individual members of the pool of step (a) in microdroplets, the microdroplets comprising a volume of aqueous growth media containing the antibiotic and suspended in an immiscible carrier liquid, each microdroplet comprising a single mutant target cell; (d) incubating the control and test microdroplet libraries to produce control and test microcultures; and (e) comparing the distribution of TnA insertions between control and test microcultures to identify a gene which mediates antibiotic sensitivity or resistance in said target bacterium.

A highly integrated miniature radiometer chip includes a base board with opposing top and bottom etched metal layers to form interconnect and ground pads, and a cavity to provide space for surface mounted parts that are attached to the bottom of a middle board which mounts directly over the top of the base board. The middle board has radio frequency circuits and semiconductor chips at a top metal layer, and surface mounted parts, and ground and signal pads at a bottom metal layer. Metalized vias extending through the dielectric material connect the top and bottom layers. A top cover includes a feedhorn, a waveguide section, and isolation compartments and channels that overlie the RF circuits on the middle board. A dielectric insert is located inside the feedhorn to enhance the feedhorn performance and seal the radiometer chip from external air, humidity and contaminants.

Describe is a method for screening mutant prokaryotic cells to identify producers of a cytotoxic agent active against a target cell, the method comprising the steps of: (a) providing cells of a producer prokaryotic species; (b) generating a pool of mutant producer cells by transposon mutagenesis of the cells of step (a) with an activating transposon (TnA), wherein the TnA comprises an outward-facing promoter (TnAP) capable of increasing transcription of a gene at or near its insertion site in the DNA of said producer cells; (c) co-encapsulating individual members of the pool of step (b) with one or more target cells in microdroplets, the microdroplets comprising a volume of aqueous growth media suspended in an immiscible carrier liquid, thereby generating a library of microdroplets each comprising a single mutant producer cell and one or more target cell(s); (d) incubating the microdroplet library of step (c) under conditions suitable for co-culture of the single mutant producer cell and target cell(s) to produce a library of microcultures, whereby mutant producer cells producing a cytotoxic agent active against the target cell(s) outgrow target cells in each microculture; and (e) screening the library of microcultures of step (d) for microcultures in which target cells have been outgrown or overgrown to extinction by mutant producer cells.

The invention relates to a protection method for block interception attacks in block chains based on mining behaviors, which comprises the following steps of: preprocessing miner data by adopting a box type diagram detection method, and proposing a reward and punishment mechanism and a credit value model comprising workload proof rewards and block mining failure punishment in combination with mining behaviors of miners; comprehensively evaluating the contribution degree of the miners and arousing enthusiasms of the miners to participate in mining; in order to comprehensively evaluate the credit rating of nodes, based on a Gaussian mixture model, considering the average sample posterior probability and sample similarity of each cluster and adopting a miner credit rating division algorithm for balancing the posterior probability and similarity to obtain the distribution situation of malicious miners in a mine pool in the first time; and giving reasonable income distribution weights; andfinally, representing formulas such as attack mine pool selection, effective computing power, mining cost and income through a mathematical formula, establishing an income model of each miner under the block interception attack, and distributing the income of the mine pool in combination with the credit rating of the miners.

The invention discloses method to scan photo. The method comprises: prestore mask information determined by scan mask; scan entire zone by user's scan parameter and obtain an image document; according to mask information and user's parameter, divide the single image document into image document of at least one corresponding to every photo. By the method of this invention, user can scan many photos during one process, divide of auto multiple photos into some image documents simultaneously, need not user's hand work; avoid fussy image processing work after scanning, increase divide rate of photo and scan efficiency of multiple photos; finally, as putting the photos following scan mask, the method not only increase putting efficiency, but also avoid photo scanned oblique for putting photo position.