57results about How to "Memory" patented technology

The invention discloses a large-scale MIMO time-varying channel state information compression feedback and reconstruction method. The method comprises the steps that a channel matrix sequence is acquired, T channel matrixes are subjected to DFT separately, and a channel matrix sequence which is sparse in the angle delay domain is obtained; a channel feedback and reconstruction model CsiNet-LSTM isconstructed, the channel matrix sequence is input to a coder, and codewords are output; the codewords are sequentially input to a decoder, and a reconstructed channel matrix sequence is output; the channel feedback and reconstruction model is trained to gradually approximate to the channel matrix sequence to obtain model parameters; each channel matrix in the output reconstructed channel matrix sequence is subjected to two-dimensional inverse DFT, and a reconstruction value of an original space-frequency domain matrix sequence is obtained through recovery; and channel state information to befed back and reconstructed is input to the model, and a reconstruction value is output. According to the method, the feedback overhead of large-scale MIMO channel information can be reduced, the reconstruction precision is improved, and the excellent robustness is particularly achieved on decrease of the compression ratio.

A multi-processor includes multiple processing clusters for performing assigned applications. Each cluster includes a set of compute engines, with each compute engine coupled to a set of cache memory. A compute engine includes a central processing unit and a coprocessor with a set of application engines. The central processing unit and coprocessor are coupled to the compute engine's associated cache memory. The sets of cache memory within a cluster are also coupled to one another.

The invention relates to method for manufacturing antistatic ray-proof worsted fabric, which successively comprises the following steps: firstly, carrying out the cleaning treatment and the sizing and film mulching treatment to rust-less steel fiber, secondly, blending by selecting treated rust-less steel fiber with wool, polyester fiber, bamboo fiber, tenel, modal fiber or spun silk, manufacturing mixed sliver with homogeneous mix, thirdly, spinning the mixed sliver and obtaining the worsted spinning yarn, fourthly, warping, weaving and obtaining the grey fabric, fifthly, carrying out birth repairing, dyeing and finishing and post-processing to the grey fabric, namely obtaining the antistatic ray-proof worsted fabric, wherein the materials feeding proportion by weight of the wool, the polyester fiber, the bamboo fiber, the tenel, the modal fiber, the spun silk, viscose or cashmere are respectively that the rust-less fiber 15-45 parts, the wool 45-75 parts, the polyester fiber 5-50 parts, the bamboo fiber, the tenel, the modal fiber, the spun silk, the viscose or the cashmere 5-20 parts. The method of the invention selectes length and fineness of the rust-less fiber and carries out the prophase film mulching treatment to the fiber, which enables the performances of the fiber is suitable for the requirements of the worsted process and enables the fiber to achieve the goal of being applied at high proportion.

Devices, software and methods are provided for allocating different amounts of memory of a network communication device as jitter buffer for different channels, such as VoIP connections. The channels are classified according to regions of their endpoints in the network. Jitter statistics are tracked for connections with endpoints in each region. The statistics are used to determine how much memory to allocate as a jitter buffer for each channel in a subsequent connection, depending on the region of the endpoint.

The invention relates to a novel biologically degradable macromolecular external securing material for medical purposes, wherein the essential component of the material is polylactic acid, or can be added poly gamma-caprolactone, inorganic mineral substance (such as calcium carbonate, titanium white, talcum powder, barium sulfate, montmorillonite), silicon alky coupling agent or coloring agent. The invention also discloses its preparation process.

This invention provides a controlled flux magnet synchronous motor of integral hybrid rotor magnetic-circuit structure including a motor splindle, a stator winding, a rotor iron core, a AlNiCo magnet, NdFeB magnet and a rotor iron core, in the rotor iron core, the magnets are place in W shape, AlNiCo is set tangentially and the NdFeB is set in radial position which can be a parallelogram or a rectangle considering the limit of the rotor space. The advantage is that an ampltude controlled d-axis vector is applied to alter the magnetization intensity of the rotor magnet and memerizes the altered flux density.

The invention belongs to the field of active chattering control of a beam structure, and relates to an active chattering control method for a flexible cantilever beam structure. The active chattering control method comprises the following steps: establishing a fussy control rule according to a large quantity of simulation experiments and parameter adjusting rules; optimizing five parameters by using a fuzzy self-tuning fractional order PIlambdaDmu controller based on a genetic algorithm by means of the genetic algorithm; encoding the initial parameter of the fractional order PIlambdaDmu controller in a real number encoding way, and determining the value range of each parameter. A piezoelectric composite material is taken as an actuator, so that the actuator has high flexibility, machining performance and sensitivity, and can be applied to curved structures. The advantages of memory and accuracy of fractional order PIlambdaDmu control as well as the advantages of flexibility and robustness of fuzzy control are utilized fully, so that an optical control effect is achieved.

The present invention discloses a continuous reinforced plastic composite pipe and the production technique for buried heat insulation of oil field; the continuous reinforced plastic composite pipe consists of an anticorrosive coating, a reinforced layer and a coating layer; crosslinked polyethylene foamed material is continuously rolled on the continuous reinforced plastic composite pipe to form a continuous insulating course, and fluid sealant layers are respectively coated between the coating layer and the insulating layer, the insulating layer and the protective layer. The reinforced layer is weaved by metal steel wires; the anticorrosive coating and the coating layer are made of crosslinked polyethylene material; the protective layer is made of polyethylene; the insulating course is made of crosslinked polyethylene foam. The pipe of the present invention is a long-distance flexible continuous pipe; the insulating course is made of crosslinked polyethylene flexible material; the continuous reinforced plastic composite pipe has good memory, rebound resilience and concentricity inside and outside the pipeline and ensures that the continuous heat insulation pipeline prevents being squashed after being coiled and buried; thereby the thickness of the insulating course is consistent and achieving better heat insulation effect. The pipeline paved by the invention, even if the local part is damaged, water can be effectively prevented to seep into the insulating course in order to ensure the heat insulation effect.

The invention relates to a correlation filtering target tracking method for occlusion, which comprises the following steps of: step 1, for a section of tracked video sequence, giving the position andsize of a tracking target of a t-th frame, determining a search area, calculating characteristics, and calculating a weight map of the t-th frame; step 2, based on the obtained weight graph of the t frame, training a related filter of the t frame; step 3, calculating a target response graph of the (t + 1) th frame according to the trained related filter, and calculating a target position of the (t + 1) th frame; and step 4, on the basis of the (t + 1) th frame target position, obtaining a high-confidence APSR strategy, and determining whether the related filter of the t th frameis updated or not.

The invention belongs to the technical field of software reliability growth models, and particularly relates to a software reliability growth model for introducing faults based on Weibull distribution. In order to solve the above problems, the invention adopts the technical scheme that the software reliability growth model for introducing faults based on Weibull distribution comprises the following steps of (1) constructing a fault total number function; (2) constructing a fault introduction intensity function; (3) assuming a fault total number function to conform to the Weibull distribution,and constructing a fault total number function a (t) and a fault introduction intensity function eta (t); and (4) investigating the change condition of the fault introduction rate along with the testtime according to the fault introduction process, so that the fault introduction intensity function can be rewritten in the following form.

The invention provides an alignment mark search system applied to a lithography device and a search method thereof. The system comprises an optical imaging system, a signal conditioning system and a master control system, wherein, the optical imaging system obtains the image of a datum plate and outputs a first light intensity signal, the signal conditioning system receives the first light intensity signal, adopts a digital potentiometer controller to realize bidirectional voltage regulation and outputs light intensity data, the master control system adjusts the position of the datum plate according to the light intensity data. The alignment mark search system of the invention contributes to accurately obtaining corresponding position information concerning reference marks of machines, carrying out demarcation and correction on machine constants relative to machine mark positions rapidly, shortening correction time of the machine constants after complete installation of the machines and improving efficiency of the complete machines after restoring to normal operation.

A method is disclosed that enables a user to administer a dialing plan or plans. The disclosed private-branch exchange, or other type of telephone exchange or switch, analyzes the dialing plan that it uses and then makes a recommendation for the dialing plan. In order to analyze the dialing plan, the private-branch exchange (PBX) considers the usage characteristics of one or more number-consuming objects, which includes the telephone numbers associated with the dialing plan. The PBX then identifies, for possible deletion, a list of inactive or underutilized objects such as unused telephone numbers. In some embodiments, the PBX can anticipate the future availability of telephone numbers based on the usage characteristics that were part of the analysis. In at least some of those embodiments, the PBX is able to construct a dialing plan tree and identify a revised dialing plan.

The invention discloses an overdue monitoring method for optimizing a recurrent neural network based on an ant colony algorithm, and the method comprises the following steps: firstly, selecting a modeling sample, and collecting credit data of the sample, and labelling the performance data of the sample; preprocessing the collected credit data, and randomly segmenting the modeling sample into a training set and a test set; determining a recurrent neural network topology structure and initializing network parameters according to the training set features, and establishing a recurrent neural network model; pre-training the weight and bias in the recurrent neural network by using an ant colony algorithm, and training the recurrent neural network by using a gradient descent algorithm; inputting a test set sample to the trained recurrent neural network for prediction comparison and evaluation. According to the method, the optimal weight and bias of the recurrent neural network are determined by using the ant colony algorithm, the convergence rate of the neural network is increased, the accuracy of the prediction model is improved, and the requirement of real-time detection of Internet financial fraud behaviors can be met.

The invention belongs to the technical field of medical image processing and computer-aided diagnosis, and discloses a dynamic enhanced magnetic resonance imaging processing method and system, a storage medium and a terminal, and the method comprises the steps: carrying out the full-automatic segmentation and processing of a primary tumor region in an obtained breast cancer DCE-MRI multi-stage image; carrying out mask processing on the segmented result, and taking the geometric center of the obtained maximum lump as a criterion to draw regions of interest of three scales; meanwhile, sending the multi-stage region-of-interest images under three scales into three connection structures combining a convolutional neural network and a long-term and short-term memory network for feature extraction and fusion; and sending the multi-stage fusion features obtained under the three scales into a soft aggregation model for aggregation of the overall features to obtain prediction results of different tasks. According to the method, the limitation of a shallow architecture is overcome, and the prediction precision is greatly improved; and perfect preoperative reference information can be visuallyprovided for operative treatment of breast cancer patients.

The invention discloses a reducible fallopian contraceptive element, which is composed of 3-5 concentric circular cylinders on one shaft, wherein the upper surface of shaft and upper bottom of first cylinder is on the same surface, the nickel-cemented alloy filament net is set on the external surface of cylinder and external surface of shaft, the cylinder and shaft is made of polyester film or medical polyester fibre.

The invention relates to a polylactide metal fiber fabric which is characterized in that polylactide with high molecular weight is synthesized firstly, metal fiber and the polylactide are blended and then spun to obtain the polylactide with a specification of 1.56-1.65detx*38 mm and the metal fiber with a spinning specification of 1.56-2.65 detx*38 mm, and the degradable metal fabric is weaved by the procedures of blowing, cotton carding, drawing, spinning, weaving, dyeing and the like.

The invention relates to a polycaprolactone metal fiber fabric which is characterized in that polycaprolactone with high molecular weight is firstly synthesized and is then weaved into fibers with a size of 1.56-1.65detx*38 mm, then the metal fibers are selected to be blended with the polycaprolactone metal fiber, wherein the metal fibers comprise silver fiber, copper fiber, gold fiber, stainless steel fiber and the like and have the size of 1.56-2.65detx*38 mm; and the two fibers are weaved into the fabric through procedures of blowing, cotton carding, drawing, yarn spinning, dyeing and the like.

The invention provides a method for making liquid crystal display. The method comprises providing a base board with a first electrode on it; forming a graphical projection structure on the base board for separating it into plural pixel areas; filling a liquid crystal layer into each pixel area; filling a monomer molecule layer into each pixel area on the liquid crystal layer; aggregating the monomer molecule layer to be a high polymer material layer and separating with the liquid crystal layer. The inventive method has the advantages of being able to improve the display quality of single base board structure.

The invention discloses a coal mining machine fault prediction method based on a time sequence prediction method, and relates to the technical field of computer technology and fault prediction cross research; a support vector machine method in a nonlinear method is used, a predictor is trained according to a training sample, and a subsequent time sequence is predicted; according to the specific scheme, the method comprises the following steps: obtaining a penalty parameter C and a kernel function parameter, enabling a particle swarm algorithm to start to calculate from n random particles, eachparticle serves as a candidate solution, and each particle is an m-dimensional vector; the method also comprises the steps of space initialization, particle evaluation, particle updating and result verification. The particle swarm optimization algorithm is widely applied to solving the extreme value optimal problem, the particle swarm optimization algorithm calculates the fitness value accordingto all possible particles in the constraint range, and the corresponding extreme value optimal solution is finally obtained through continuous iteration.

The invention discloses a biconical vena cava filter system for temporary use. A filter main body includes three parts, namely a filtering portion, a fixing portion and tail fibers, wherein the filtering portion is represented as a conical spring structure; the fixing portion is a conical spring structure; and the filtering portion and the fixing portion follow smooth connection by virtue of a memory alloy wire. The filter main body is formed by implementing heat treatment setting on a memory alloy wire on a special mold; a round ball is fixed to a circle of spring, which has the largest diameter, in conical springs of the filtering portion and a round ball is fixed to a circle of spring, which has the largest diameter, in conical springs of the fixing portion. The filter (the filter system) further comprises a threaded connecting component and an extension wire. With the adoption of a biconical structure, the filter can achieve smooth release and recovery, and contact points of the filter with a vascular wall are reduced; the filter, which is fixedly located within the inferior vena cava in a double-layer and multi-spherical-point mode, can prevent injury of blood vessels as well as hyperplasia and climbing of endangium; and the filter, even being implanted for a long time, can be smoothly withdrawn.

The invention discloses an intelligent fuse. The intelligent fuse comprises two electrodes, memory metal and a shell; the memory metal is spring-shaped, wherein one end of the memory metal is fixed onan electrode of the intelligent fuse in the shell, and the other end of the memory metal is not fixed in the shell and is in contact with the electrode at the other end of the shell; the temperatureof a circuit component can be directly transmitted to the memory metal spring through the electrode when an electric appliance works. After the technical scheme is adopted, when the intelligent fuse is electrified to work, the high temperature is transmitted to a memory metal spring through the electrode once the heat accumulation temperature generated by a resistor of an electrical and electronicelement reaches the memory metal deformation temperature, and the electrode in contact with the deformation end of the memory metal spring is disconnected with a power supply. The disconnected intelligent fuse stops electrifying an electric appliance circuit, and the temperature of the components of the electric appliance circuit begins to drop. When the temperature is reduced to the normal temperature, the intelligent fuse resumes working. Components in an electric appliance circuit are ensured to always work in a constant temperature state lower than memory metal metamorphosis temperature,thereby avoiding the factors of fire and explosion caused by overload of current of the electric appliance circuit and spontaneous combustion of heat accumulation temperature generated by resistance of internal circuit components higher than critical points of the circuit components.

The invention provides a magnetic flux memory type magnetic gear composite motor, and relates to the field of permanent magnet synchronous motor, in particular to the field of a magnetic gear composite motor with adjustable magnetic fluxes. Thus, a problem of poor magnet adjusting effects in traditional magnetic gear composite motor air gap magnetic field is solved. According to the invention, anouter stator direct-current exciting winding winds outer stator magnetic steel; by imposing direct current pulses on the outer stator direct-current exciting winding, the magnetization strength of theouter stator magnetic steel is changed; and by adjusting a magnet adjusting ring of a cup-type rotor and the air gap magnetic fluxes between inner and outer stators, effective adjustment of the air gap magnetic fluxes of the motor is achieved. The motor is mainly applied in direct driving field of electric vehicles and the like.

The high grade lining cloth is produced through weaving in the width of 49-50'', steaming, finishing and spot painting. During the finishing, no-formaldehyde cross-linking agent is used, the pH value of the cloth during the preliminary treatment and that of the working liquid in the after treatment are controlled the same, 4.0-5.0, and formaldehyde blocking agent is adopted. The finishing includes the preliminary treatment in loose mode and the after treatment including cycling, overfeeding, width controlling and mechanical extruding. The spot painting adopts orthogonal optimizing combination method and uses glue powder with low flowability and easy painting. The present invention features no formaldehyde, low shrinkage and memory capacity.

The invention discloses a fishery habitat water quality evaluation method which comprises the following steps: constructing a water quality prior probability table, a copepod density level table and acopepod density conditional probability table of an evaluation object according to historical water quality monitoring data and historical copepod density monitoring data of the evaluation object; collecting the current copepod density of the evaluation object, and constructing a density set; searching a copepod density grade table and a copepod density conditional probability table, and obtaining a copepod density conditional probability corresponding to each copepod density grade in the density set; substituting the copepod density conditional probability and the water quality prior probability into a Bayesian inference model, sequentially calculating the water quality posterior probability corresponding to each copepod density in the density set, and taking the water quality posteriorprobability corresponding to the last copepod density as an evaluation result. The invention further discloses a corresponding system. Only the copepod density is collected, the water quality evaluation result can be rapidly obtained based on the copepod density, and multiple physicochemical indexes are not needed.

The invention relates to an anti-occlusion visual target tracking method, and belongs to the field of pattern recognition and computer vision. According to the method, an area where a target is located is found out from remaining image frames according to an input video and position parameters of an initial frame of the target to be tracked. Tracking quality is judged according to an APSR strategyin combination with a peak sidelobe ratio so as to determine whether to update a related filter, and the problem that target tracking fails under the condition that a tracking target in a video is shielded or deformed is solved. The method solves the problem of invalid updating of the filter under the condition that the target is shielded or deformed, so that the tracking precision during actualtracking is improved, and the method has important significance for a video target tracking algorithm and subsequent behavior analysis of a specific target.

The invention provides a water removing device for a rear-view mirror of an automobile, which relates to the automobile field. The device includes a shell, and the inside of the shell is hollow. The inner wall of the shell is fixedly connected with the mirror surface, the right windward surface of the shell is provided with an air inlet, the outer surface of the shell is arranged on the right sideof the mirror surface with an air outlet, the inner wall of the shell is arranged on the left side of the air inlet and is fixedly connected with the wind hood, and the inside of the shell is provided with a wind driving device. According to the water removing device, the magnetic pole of the permanent magnet block 1 is opposite to the magnetic pole of the side close to the permanent magnet block2 so that the permanent magnet block 1 and the permanent magnet block 2 can be magnetically attracted by each other, and the rubber wiper bar arranged on the left side of the bar-shaped block can bestuck on the reflector surface through the magnetic force between the permanent magnet block 1 and the permanent magnet block 2, thereby effectively preventing the problem of dropping the wiper devicein the running process of the vehicle, and facilitating the wiping operation of the wiper device.

The invention discloses a fabric for weaving sports socks. The fabric comprises a skin-friendly fabric layer and a surface layer, wherein the skin-friendly fabric layer and the surface layer are integrally sewn on a fabric surface through elastic contraction threads, the skin-friendly fabric layer comprises a skin-friendly layer and a mesh-like heat dissipation fabric layer, dot-matrix heat dissipation holes are formed in the positions, corresponding to foot arches, of the skin-friendly layer, the mesh-like heat dissipation fabric layer is formed on the inner side of the skin-friendly fabric layer, and is formed by blending 65-80% by mass of high-elasticity fibers and the balance of CoolMax fibers, the mesh-like heat dissipation fabric layer is formed into a grid structure in a weaving process so as to separate a gap structure layer between the skin-friendly layer and the surface layer through the grid structure, the surface layer is a composite fabric layer, a sweat-permeable elasticfabric layer and a pure cotton fabric layer are sequentially arranged from the side of the skin-friendly fabric layer to the outside, and dot-matrix heat dissipation holes are formed in the pure cotton fabric layer and correspond to foot arches. According to the invention, the fabric characteristics of gas permeation and high elasticity, has good moisture absorption and quick-drying performance after sweating, and improves the exercise comfort and the protection effect.

The invention discloses an anti-explosion rechargeable battery which is prepared from positive and negative electrodes, memory metal, an accumulation medium and a shell, wherein the memory metal is ofa strip shape, with one end fixed on the positive or negative electrode of the battery, and the other end is free; the temperature of the accumulation medium can be directly transferred to the memorymetal strip through the electrode. In the technical scheme, when the anti-explosion rechargeable battery is charged and works, once the heat of the accumulation medium inside approaches the criticalpoint temperature for deformation combustion, the high temperature is transferred to the memory metal strip through the electrode, the contact between the memory metal strip and corresponding electrode of electrical application or charging device is cut while the circuit with the electrodes of corresponding charging device and electrical appliance is opened. The open-circuit anti-explosion rechargeable battery stops the charging and discharging work on the electrical appliance and the charging device, and the temperature of the accumulation medium starts to drop. When the temperature is reduced to normal temperature, the anti-explosion rechargeable battery continues working. The accumulation medium in the anti-explosion rechargeable battery is ensured to be always kept in a safe and normaltemperature state lower than the critical point, thus the factors leading to fire and explosion caused by long-time overload charging and discharging work of the anti-explosion rechargeable battery and excessively high temperature of the accumulation medium inside over the critical point are avoided.

The invention provides an intelligent foam metal reinforced boiling heat transfer cooling device. The intelligent foam metal reinforced boiling heat transfer cooling device comprises a sealing cavity(5), wherein the sealing cavity (5) is filled with a refrigeration fluid (2); a bottom intelligent foam metal (3) is fixed on the inner surface of the bottom of the sealing cavity (5) and is immersedinside the refrigeration fluid (2); a top foam metal (7) is fixed on the inner surface of the top of the sealing cavity (5); a guide pipe (5) is arranged at the upper end of the side surface of the sealing cavity (5); a draught fan (1) is arranged on the outer surface of the top of the sealing cavity (5). The bottom intelligent foam metal (3) has a whole memory effect, and the porosities and poresizes of the foam metals change along with temperature. According to the cooling device provided by the invention, boiling heat transfer is reinforced by using the intelligent foam metals, the evaporation core and heat transfer areas are increased, the flow resistance is also reduced, and the escape speed of bubbles is increased effectively, so that the heat transfer quantity is obviously increased, and the cooling capacity is greatly strengthened.