205results about How to "Fast transplant" patented technology

The invention discloses a preparation method of a textured structure of a crystalline silicon solar cell. The method includes the steps of (1) cleaning and texture preparation, (2) soaking a silicon wafer in a solution containing metal ions to enable the surface of the silicon wafer to be coated with a layer of metal nanometer particles, (3) corroding the surface of the silicon wafer to form a nanometer-grade texture, (4) cleaning to remove the metal particles, (5) carrying out microstructure amendment etching in second chemical corrosive liquid, and (6) cleaning and spin-drying. As is proved by a test, the size of the textured structure is between 100nm-500nm; the textured structure is of a nanopore shape with a large hole diameter and a small depth, or a nanometer pyramid with edge angles, or of a nanometer pit shape structure with an edge angle nanometer cone body or with an edge angle; and compared with a nanometer-micrometer composite textured structure disclosed in CN102610692A, the textured structure enables conversion efficiency of a cell piece to be improved by about 0.2%-0.5%, and an unexpected effect is achieved.

Software for designing, modelling or performing digital signal processing comprises a virtual machine layer optimized for communications DSP. The virtual machine layer allows low MIPS, complex code to interface with high MIPS processes by using APIs presented by the virtual machine layer. The present invention enables software to be written for the virtual machine rather than a specific DSP, de-coupling engineers from the architecture constraints of DSPs from any one source of manufacture.

The invention discloses a CT image reconstruction back projection acceleration method based on OpenCL-To-FPGA. Acceleration of the CT image reconstruction back projection step is achieved through an FPGA. The method comprises the specific steps that a CPU-FPGA heterogeneous computing mode with a CPU and the FPGA cooperating with each other is constructed in an OpenCL programming model, the CPU and the FPGA are in communication through a PCI-E bus, the CPU serves as a host and is in charge of serial tasks in an algorithm and the tasks of configuration and control on the FPGA, and the FPGA serves as a coprocessor and achieves parallel pipeline acceleration of back projection computing by loading an OpenCL kernel program. In the programming mode, executive programs of the FPGA are all developed through an OpenCL language similar to C/C++ in style, development is easy and convenient to perform, modification is flexible, the development cycle can be greatly shortened, and the development cost for product maintenance and upgrading is reduced; moreover, the new method is based on an OpenCL frame, codes can be fast transplanted between platforms, and the method is suitable for being extended and applied to cooperative acceleration of a multi-processor heterogeneous platform.

A mine car unmanned driving system comprises a cloud computing and remote service device (1), a communication device (2), a sensing device (3) and a control device (4), the cloud computing and remoteservice device (1) is used for generating a global path and a work task, and the global path and the work task are sent to the control device (4) through the communication device (2); the sensing device (3) is used for sensing the surrounding environment of the vehicle and sending the surrounding environment of the vehicle to the control device (4), and the sensing device (3) is composed of more than one sensing sensor; and the control device (4) is used for controlling the vehicle to run according to the global path, the work task and the vehicle surrounding environment.

The invention discloses a method for transplanting a client game into a webpage game. The method comprises the steps of in response to the request of a user in browsing a webpage by means of a web front terminal, downloading the content of the webpage from a webpage server, displaying the content on a browser window, loading the plug-in of the webpage, generating a plug-in window by means of the plug-in, hooking up the plug-in window inside the browser window in the form of a sub-window, generating a game starting instruction containing the parameters of the plug-in window, starting the operation of a game engine according to the game starting instruction so as to call local game resources, generating a game window according to the parameters of the plug-in window, and hooking up the game window corresponding to the plug-in window in size inside the plug-in window. Based on the method for transplanting the client game into the webpage game, on the premise that the development application layer is provided with only one set of codes, the transplantation of the client-based game solution scheme to the webpage-based game solution scheme can be quickly realized. The invention also discloses a webpage game system and a terminal.

The invention provides a communication processor, a method for realizing VoLTE (Voice over LTE), a mobile terminal and a data card. The communication processor comprises a wireless protocol stack entity, a VoLTE function control module, a voice coding and decoding module, an IMS (IP Multimedia Subsystem) protocol stack entity and a TCP/IP (Transmission Control Protocol/Internet Protocol) stack entity. The VoLTE function control module interacts with the voice coding and decoding module, the IMS protocol stack entity and the wireless protocol stack entity in terms of control messages. The TCP/IP stack entity interacts with the wireless protocol stack entity and the IMS protocol stack entity in terms of TCP/IP data. The voice coding and decoding module interacts with external audio equipment in terms of audio data and control messages, and interacts with the IMS protocol stack entity in terms of audio data. According to the VoLTE realizing scheme, different product forms can be supported, the power consumption is reduced, and requirements of communication devices between an AP (Application Processor) and a CP (Communication Processor) are minimized.

Disclosed in the invention is a single nanometer pile face preparation method of a crystalline silicon solar cell. The preparation method comprises the following steps: S1, cleaning and corroding silicon wafers to remove damage layers, thereby forming micron-order pile faces; S2, overlaying each two silicon wafers and then inserting the silicon wafers into a silicon wafer basket, and placing the silicon wafer basket into deionized water to enable the deionized water to enter the space the two silicon wafers completely; S3, lifting the silicon wafer basket out of the deionized water surface to enable the water between the overlaid two silicon wafers to flow out of the space and keeping a water membrane for bonding with the silicon wafers between the two overlaid silicon wafers, thereby forming a composite structure with the silicon wafer, the water membrane, and the silicon wafer successively; S4, carrying out a nanometer pile preparing process on the composite structure with the silicon wafer, the water membrane, and the silicon wafer in the silicon wafer basket to obtain nanometer pile faces at the two sides of the composite structure; and S5, separating the composite structure to obtain a silicon wafer with a single nanometer pile face. According to the invention, the half of the catalysis metal consumption can be reduced and thus the production cost is substantially lowered; the wafer installation amount is double in one basket and the production efficiency is doubled.

The invention discloses a cloud mirror control method, a system and a device thereof which are applied in mobile video monitoring, wherein, the method comprises the following steps: a mobile terminal generates control-related parameters of a tripod head and a lens; the control-related parameters are constructed to form XML data packets; the XML data packets are packaged to SIP data packets; the SIP data packets are sent to a video monitoring platform in a fixed network through a mobile network; the protocol adaptation and the translation of the received SIP data packets is carried out through a video monitoring system in the video monitoring platform and then is sent into a cloud mirror control module; and the cloud mirror control module controls the cloud mirror and the lens according to the received control-related parameters. The invention realizes the rich cloud mirror control functions, comprehensive and simple cloud mirror control, strong real-time property and better portability by a mobile phone client in the mobile video monitoring application.

The invention discloses a dual-motor switching control method for a wind generating set. The dual-motor switching control method comprises the following steps of: controlling a permanent magnet synchronous motor and an induction asynchronous motor by the wind generating set in a switching manner when a wind driven generator is in a ready state, a starting state, a generating operation state and a fault state.

The invention discloses a PERC (Passivated Emitter and Rear Contact) solar cell. The PERC solar cell comprises a silicon wafer layer with a PN junction, and a passivation layer and a metal layer which are arranged in sequence on a back side of the silicon wafer layer, wherein the passivation layer is provided with an open area; the surface of the solar cell is provided with a back electrode; and based on a plane on which a silicon wafer is positioned, the position of the back electrode does not coincide with the position of the open area. The position of the back electrode does not coincide with the position of the open area, so that compounding between metal and naked silicon on an opening is reduced, and an open voltage of the cell is increased. As proved by experiments, compared with an existing structure, the structure of the PERC solar cell has the advantages that the cell conversion efficiency can be increased by 0.1 percent, and an unexpected effect is achieved.

The present disclosure relates to a full-text retrieval system and method. The full-text retrieval system comprises a user interface module, a database, a full-text retrieval middleware and a full-text retrieval engine. The user interface module is used for sending the index operation to the full-text retrieval middleware through the database when the index operation is obtained. The full-text retrieval middleware is used for sending a query index operation to a full-text retrieval engine when it is determined that the index operation is a query index operation. The full-text retrieval engineis used for performing query indexing operation to obtain query results. The full-text retrieval middleware can realize the decoupling between full-text retrieval engine and database, thus, the full-text retrieval engine can be updated or replaced, the full-text retrieval engine can be quickly transplanted to other databases for use, the application range of the full-text retrieval system can beexpanded, and the convenience of the full-text retrieval system development can be improved.

A method for seamlessly upgrading the automatization main station efficiently without error belongs to the filed of the electric power scheduling automatization, and the method comprises a system smooth transition and seamlessly upgrading procedure, a data computer rerecording method, an interface function transplantation and a system safety protecting mechanism. The double-system synchronous parallel operating mode is adopted and the computer automatically rerecords. Through the analyzing the data structure of the original main station system, the data format, the pattern definition and data area by the organized data rerecording system software, the information of equipment parameter, the movement information table, the pattern picture file, the system data, the operation historical data and the like of the original system are rapidly, effectively and accurately replanted to the new centralized control station system. The integrity, correctness, authenticity and continuity are effectively guaranteed, and the smooth transition and seamless upgrading of the system are realized. The invention has the advantages of avoiding the burdensome raw data recoding in and installing and debugging operation, alleviating the burden of the engineering and technical personnel, greatly increasing the upgrading efficiency and correctness of the automatization main station system and guaranteeing the safe and stable operation of the electric network.

The invention discloses a method for preparing a textured surface structure of a crystalline silicon solar cell, which comprises the following steps: (1) forming a porous layer structure on the surface of a silicon chip; (2) etching the surface with a first chemical etching solution to form the textured surface surface structure; the first chemical etching solution is a mixed solution of hydrofluoric acid, an oxidizing agent and an additive; the additive is acetic acid or citric acid. The present invention designs a new chemical etching solution, and uses the chemical etching solution to etch the surface of the porous layer structure to form a suede structure. The experiment proves that the reaction speed of the chemical etching solution of the present invention is controllable, so that the suede surface can be guaranteed. The stability and uniformity of the structure, and the stability of the electrical performance of the solar cell.

The invention provides a construction site behavior safety detection and recognition method and system based on YOLOv5, and relates to the field of constructional engineering. The method comprises the following steps: obtaining to-be-recognized construction site image information; adopting a pre-trained detection model to recognize the to-be-recognized construction site image information, detecting the wearing condition of the safety helmet, wherein the detection model is a deep learning model, and a training set used for training the detection model comprises image information marked with the wearing position of the safety helmet; according to the invention, integrated engineering safety supervision application results of a machine vision technology, an intelligent construction site technology and a neural network technology are integrated, real-time monitoring and warning of the safety helmet wearing condition of the worker on the construction site are realized, and the safety helmet wearing condition of the worker on the construction site is monitored and warned. Therefore, the standardization of project management is enhanced, the overall efficiency of the project is improved, the cost consumption is reduced, the occurrence probability of accidents and casualties is reduced, and the construction of intelligent cities and intelligent construction sites is promoted.

The invention discloses a periodic monitoring method and a device based on premature beat signals in a wearable electrocardiosignal, which consist of a wearable electrocardiosignal detection module and a long-time premature beat heart beat detection module. A reading unit in the long-time premature beat heart beat detection module reads the heart beat to be detected, after the heart beat type is determined by a real-time premature beat detection unit, a primary template generation unit and a secondary template generation unit respectively generate a primary template and a secondary template, and finally the heart beat type is determined through a primary-secondary heart beat detection unit, and on the basis of a normal heart beat, whether the heart beat type is an supraventricular premature beat heart beat or a normal heart beat is judged through an supraventricular premature beat detection unit, so that the long-time comfortable monitoring of ventricular premature beat and supraventricular premature beat under daily activities is achieved. The periodic monitoring method and the device based on premature beat signals in the wearable electrocardiosignal have the advantages of simplealgorithm, convenient operation, and applicability to the requirements of different users.

The invention relates to a tissue culture seedling rapid transplanting machine based on laser cutting and a transplanting method of the issue culture seedling rapid transplanting machine. The tissue culture seedling rapid transplanting machine comprises a worktable, a main bottle moving-in conveyor belt and a secondary bottle moving-out conveyor belt which are arranged at the two ends of the worktable, a main bottle moving-out conveyor belt and a secondary bottle moving-in conveyor belt which are arranged at the third end of the worktable, a main bottle conveying mechanism which is arranged on the worktable and is located at the crossed point of the central lines of the main bottle moving-in conveyor belt and the main bottle moving-out conveyor belt, a secondary bottle conveying mechanism which is arranged on the worktable and is located at the crossed point of the central lines of the secondary bottle moving-in conveyor belt and the secondary bottle moving-out conveyor belt, a cover opening mechanism and a cover closing mechanism which are respectively arranged at the fourth ends of the main bottle conveying mechanism and the secondary bottle conveying mechanism, and a transplanting mechanism which is arranged at the third ends of the main bottle conveying mechanism and the secondary bottle conveying mechanism. The tissue culture seedling rapid transplanting machine further comprises a seedling fetching mechanism arranged between the main bottle conveying mechanism and the secondary bottle conveying mechanism, a screening mechanism arranged between the seedling fetching mechanism and the transplanting mechanism, and a root breaking mechanism which is fastened at one end of the transplanting mechanism and is located above the main bottle conveying mechanism.

The invention relates to a license plate Chinese character recognition method. The license plate Chinese character recognition method includes steps of manually constructing a standard training sample gray image; preprocessing the training sample gray image to generate a preprocessed gray image; performing band-pass filtering for the preprocessed gray image by the aid of P Gaussian band-pass filters with interconnected pass bands to obtain P filtered gray images; performing dimensionality reduction for the P filtered gray images by a linear or nonlinear process to form images with M-dimensional training sample characteristic vectors; and performing license plate Chinese character recognition for the images with the M-dimensional training sample characteristic vectors by the aid of an RBF (radial basis function) neural network after the images are subjected to dimensionality reduction, and outputting Chinese characters of license plates. The method has the advantages that the RBF neural network is adopted, network parameters are solved by an unsupervised clustering and least square process for solving linear equations, repeated iteration is avoided in a solving procedure, the time efficiency is high, algorithm convergence is good, and the method is high in generalization ability.

The invention discloses a method for transplanting a universal boot loader on a specific hardware platform, belongs to a technology for processing system software, and in particular relates to a software transplant method for a cross-hardware platform. The method is implemented on a Broadcom (BCM) 5358U hardware platform of the Broadcom Corporation and comprises the following steps of: A, converting a BCM5358U boot loader according to a requirement of the universal boot loader, setting parameters of a file reading mode, and writing codes into a starting part in the universal boot loader; B, converting a device driver in the BCM5358U boot loader according to the requirement of the universal boot loader, and writing the converted codes into a second part of the universal boot loader; C, preparing kernel starting parameters; and D, compiling a program, generating a target file, and writing the target file into a BCM5358U program storage area. By adoption of the method, the problem about running of the universal boot loader on a BCM chip platform can be solved, and the system software which is booted based on the universal boot loader can be conveniently and quickly transplanted to the BCM5358U platform.

The invention discloses an embedded real-time scheduling system of a wireless sensor network, relating to a scheduling system. According to the invention, the system kernel size is reduced, an independent scheduling system which can adapt to application change can be provided, and simultaneously, the scheduling system can support a real-time multi-task operation mode and an event drive operation mode and switch the operation modes self-adaptively according to the application change. The embedded real-time scheduling system comprises a state module and a state transition module, wherein the state module comprises a sleep state module, a task-ready state module, an abnormal state module and a hang-up state module; the state transition module comprises an activation module, a revocation module, a scheduling module, a hanging-up module and an awaking module; and the embedded real-time scheduling system is a special WSN (Wireless Sensor Network) task scheduling system which is applicable to limited resources and complex environments, is provided with a tiny distributed real-time fine-scheduling kernel, has the characteristics of parallel operation, stability and self adaptability and can simultaneously provide a priority scheduling mode and a real-time scheduling mode. The embedded real-time scheduling system has wide application prospects in aspects, such as environment monitoring, military, agriculture, medical treatment and mining.

The invention discloses an open type industrial robot controller architecture based on double CPUs and an FPGA. A main CPU realizes product application of an industrial robot by calling a reconfigurable standard function library, and through data sharing, an auxiliary CPU can realize compensation control of a product, and can also totally take over control of an robot, and is used for algorithm research and function module development, thereby achieving the goal of hierarchical high openness. Since shared data adopt the same address coding, an auxiliary CPU program can generate a machine code directly executed by a main CPU program, thereby realizing rapid transplantation and reconstitution of a function module. A double-port RAM structure designed in the FPGA has two sets of completely independent data lines, address wires and read-write control lines, so that the two CPUs can independently access RAM resources inside the FPGA in a time-sharing manner, and an arbitration logic circuits are all integrated in the double-port RAM during simultaneous access of the double CPUs, thereby simplifying the design of the circuits.