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72results about How to "Improve hardware performance" patented technology

High speed context memory implementation for h.264

Disclosed is a context modeller (103) used in decoding data (202) encoded using Context Adaptive Binary Arithmetic Coding, said context modeler (103) comprising a Read Only Memory (1001) for storing uninitialized context model values, said uninitialized context model values being stored in the Read Only Memory (1001) in a manner that enables a plurality of uninitialized context model values to be read from the Read Only Memory (1001) in a single clock cycle, an Arithmetic Logic Module (1003) comprising a plurality of parallel processing paths (2202-2207), each said processing path comprising a plurality of pipeline stages, a Random Access Memory (1005) and a memory controller (1008) for determining, using the Arithmetic Logic Module (1005) operating on said plurality of uninitialized context model values read from the Read Only Memory (1001) in each clock cycle, initialized context model values for storage in the Random Access Memory (1001) based upon header information in said incoming encoded data (202).
Owner:HONG KONG APPLIED SCI & TECH RES INST

Communication system and communication method based on Beidou satellite and internet and portable Beidou terminal

InactiveCN107861136ASolve the limited scope of useExperience developmentSatellite radio beaconingCommunications systemEmergency rescue
The invention discloses a communication system and a communication method based on a Beidou satellite and an internet and a portable Beidou terminal. The communication system comprises the Beidou satellite, an internet base station, a Beidou data interaction platform, an internet intelligent terminal and the portable Beidou terminal, the Beidou data interaction platform is in communication with the Beidou satellite and the internet base station, the portable Beidou terminal is connected with an APP (application) of the internet intelligent terminal through a user operation interface and receives instructions of the internet intelligent terminal, and communication between the portable Beidou terminal and the Beidou satellite is finished. According to the communication system and the communication method based on the Beidou satellite and the internet and the portable Beidou terminal, a boundary between a vertical navigation positioning device and a mobile internet is broken through, a general intelligent terminal is in communication with the Beidou terminal in the internet at a connection point of the Beidou satellite and the internet, so that communication without regional limits isachieved, and the Beidou terminal is applied to field operation, outdoor traversing, safety monitoring, emergency rescue and the like.
Owner:XIAN ZHONGXING WEIYE COMM TECH

Hardware-in-the-loop test platform and test method for wind power plant control system

The invention discloses a hardware-in-the-loop test platform and test method for a wind power plant control system. The test platform comprises a core power grid and converter central computing simulator, a wind generation set pneumatic and mechanical simulation computer cluster, a test platform state monitoring and operating upper computer, a gateway and port module, a wind power plant control system and the like, the upper computer communicates with each simulator through high-speed Ethernet, and each simulator communicates with the tested wind power plant control system through high-speed Ethernet. The test platform is capable of repeatedly simulating the normal and fault working conditions of the wind power plant, completely and automatically testing the software, hardware and communication of the wind power plant control system, observing and recording the response of the wind power plant control system and helping a designer to evaluate control quality, and therefore, the development cost and field debugging time are greatly reduced, and in addition, the the test platform is capable of helping the wind power plant development planner to perform micro-sitting selection.
Owner:上海卡鲁自动化科技有限公司

An unmanned vehicle transverse motion control method based on GK clustering algorithm model prediction

The invention discloses an unmanned vehicle transverse motion control method based on GK clustering algorithm model prediction. The method comprises the steps of 1, acquiring the current state of a vehicle in real time; 2, collecting the surrounding environment of the vehicle, and planning an expected path in real time; 3, establishing a monorail vehicle model by using a GK clustering algorithm; 4, converting the monorail complete vehicle model obtained in the step 3 into a state space equation of a linear error model, and discretizing the state space equation; 5, using a linear time-varying model prediction control algorithm to establish a linear time-varying model prediction controller; taking the mass center speed under a vehicle coordinate system, the course angle, the yaw velocity andthe vehicle position as input of a model prediction controller, taking the front wheel rotation angle as the output of the controller, calculating the track points in the prediction time domain and acontrol sequence in the control time domain according to the current state and the target track, converting the problem into a quadratic programming problem to obtain an optimal solution, and updating the vehicle state; and 6, sequentially controlling the steering of the target vehicle according to the control quantity obtained by the model prediction controller.
Owner:JIANGSU UNIV

System and method for handling an interrupt

An interrupt controller, a system and a method for handling an interrupt under a virtualization environment are provided. The system for handling an interrupt, includes: an interrupt controller, a virtual machine, and a hypervisor which controls activation of the virtual machine, the interrupt controller may receive a physical interrupt from the outside and transmit the physical interrupt to the hypervisor or the virtual machine based on a characteristic of the physical interrupt, the hypervisor may convert the physical interrupt into a virtual interrupt to transmit the virtual interrupt to the virtual machine, and the virtual machine may handle the physical interrupt or the virtual interrupt using a first interrupt handler which is included in the virtual machine.
Owner:ELECTRONICS & TELECOMM RES INST

Method and switch apparatus for managing packet of Ethernet stacking system

The invention discloses a method for managing messages in an Ethernet stacking system, comprising the following steps: firstly, the number of ports of various target devices to which the messages are sent is respectively calculated according to the target device number and the port number in the messages; secondly, judgment is made whether the target devices to which the messages are sent are primary devices or secondary devices and message information is filled into message formats according to the difference of the target devices; when the primary devices sent the messages to a plurality of ports of the same secondary device and the same local area network number, the message formats are filled by means of compressing partial message information and the messages are packaged; thirdly, transmission of the messages is started; and fourthly, the messages are received by the target devices and transmitted to the ports. By adoption of the method and a device for managing the messages, when a plurality of messages with the same content are sent by the primary devices, the information transmission time and the information amount between the primary devices and the secondary devices are reduced and the bandwidth utilization rate and the network reliability are improved.
Owner:ZTE CORP

Method for the rapid image processing of two-dimensional images

The invention relates to a method for the rapid image processing of two-dimensional images, in particular medical image recordings using image-modifying image processing algorithms, with which image processing is executed at least partially on a graphics card comprising at least one pixel shader unit and at least one vertex shader unit. With this method, the two-dimensional images are first transformed into three-dimensional representations, with which a first part of the image processing algorithms is executed on the vertex shader unit, and subsequently transformed back into two-dimensional representations, with which a second part of the image processing algorithms is executed on the pixel shader unit. The artificial generation of the three-dimensional representation from the two-dimensional images advantageously allows the vertex shader unit of the graphics card to be used for image processing, so that the computing capacity of the graphics card can be optimally utilized.
Owner:SIEMENS AG

Data center gathering core switcher and backboard thereof

ActiveCN105763488AImprove hardware performanceSolve insufficient hardware resourcesData switching networksBackplanePID controller
The invention relates to a backboard of a data center gathering core switcher, and the backboard comprises a control plane which comprises a main controller and a standby main controller. Each main controller is connected with a business board card through a GE channel. Each main controller is provided with one or more CPU processors. The backboard improves the hardware performance of the control plane, can solve a problem that the hardware source on the control plane of the data center gathering core switcher is not sufficient, further meets the resource demands of a user for a management plane, and enables the user to be able to better customize the management plane according to the needs. In addition, switch chips of the main controller can be stacked in a seamless manner, thereby increasing the number of channels and improving the transmission rate of the channels. The backboard supports 28 business plates at most, thereby facilitating the expansion of the business plates, and further meeting the demands of a data center at a big-data cloud-computing age.
Owner:NANJING ZHONGXING SOFTWARE

Flying spot formation device and design method theref

The invention discloses a flying spot formation device which comprises a radiation source and a shielding body, wherein at least two pairs of spiral grooves are formed in a side wall of the shielding body; each spiral groove has preset slope; a first incident slot is adjacent to a second incident slot; the head end of the first incident slot is higher than the head end of the second incident slot; the tail end of the first incident slot is higher than the tail end of the second incident slot; a preset distance is formed between the tail end of the first incident slot and the head end of the second incident slot; the tail end of the first incident slot is not higher than the head end of the second incident slot; a first axis section of the shielding body is intersected with the tail end of the first incident slot; a second axis section of the shielding body is intersected with the head end of the second incident slot; and an included angle between the first axis section and the second axis section is 0 degree. The invention also discloses a design method for the flying spot formation device. By utilizing the invention, the tensile property of the shielding body can be improved.
Owner:POWERSCAN COMPANY LIMITED

Self-adaptive compensation method for using magnetic fuze to detect inner-demagnetized vessel object

The invention discloses a self-adaptive compensation method for using a magnetic fuze to detect an inner-demagnetized vessel object. The method includes the following steps: using a magnetic fuze probe to measure three component signal Ix, Iy, and Iz which have obtained the earth magnetic field intensity; adopting the magnetic fuze probe to measure three component signals of total magnetic field intensity when a vessel object passes, and subjecting the three component signals of the total magnetic field intensity by the three component signals of the earth magnetic field intensity to obtain three component signals Gx, Gy, and Gz of the vessel magnetic field intensity; adopting a model-based self-adaptive compensation method to conduct real-time compensation on the magnetic field which undergoes demagnetization by an inner-demagnetized system to obtain three component signal Mx, My, and Mz of a compensated vessel induced magnetic field; Mx=[xi]xGxIx, My=[xi]yGyIy, Mz=[xi]zGzIz; wherein [xi]x, [xi]y, [xi]z are compensated proportion coefficients which are selected based on experience of historic data.
Owner:710TH RES INST OF CHINA SHIPBUILDING IND CORP

Charging control method, apparatus, adapter and system

The invention discloses a charging control method, apparatus, adapter and system. The charging control method comprises the following steps: detecting a temperature value of a plurality of heating sources in the adapter, when determining that a highest temperature value in the temperature values of the plurality of heating sources reaches a preset temperature value, transmitting an instruction for detecting whether a working state of a terminal is in a standby state and detecting whether a battery capacity is greater than a preset battery capacity to a mobile terminal, and correspondingly adjusting a charging current outputted by the adapter according to a detection result returned by the mobile terminal, and a correspondence table of the preset temperature range and the preset charging current. By virtue of the embodiment of the invention, not only can the heat of the adapter be reduced, but also the rapidness in charging can be realized, and the charging temperature of the adapter can be controlled in a reasonable range while the hardware performance of the adapter is protected.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

A three-dimensional face modeling method and system without phase unwrapping

ActiveCN109903377AReduce the number of projected and photographed structured light fieldsImprove hardware performanceCharacter and pattern recognition3D-image renderingPhase unwrappingStereo matching
The invention discloses a three-dimensional face modeling method and system without phase unwrapping. According to the method, the method comprises steps of marking the surface of a target face through phase information contained in a multi-frame stripe structured light place; extracting human face feature points from a plurality of frames of human face texture images shot by the camera and generating human face geometric information constraint conditions; constraining a binocular stereo matching process by utilizing geometric information of a human face, directly using a truncated phase for replacing an absolute phase for stereo matching to calculate a disparity map, and obtaining a high-precision and high-reliability disparity map through a stereo matching method without phase unwrapping, so that a three-dimensional human face model is reconstructed. The method does not need to project an additional structure light field and shoot the additional structure light field to assist phaseunwrapping, effectively reduces the number of projection and shooting structure light fields required by three-dimensional face modeling, shortens modeling image acquisition time, and effectively guarantees modeling precision.
Owner:WISESOFT CO LTD +1

Multi-sensor Internet of Things resource adaptive deployment management and control middleware

Multi-sensor Internet of Things resource adaptive deployment management and control middleware is designed and constructed, and data dynamic decision is made based on environment close calculation; middleware is designed to realize fusion access deployment of various wireless communication network nodes; through virtualization of attributes and processing of sensor nodes in a sensing network, a virtual sensor abstract pool is formed in a middleware platform, and implementation details of heterogeneous sensing nodes and a communication protocol are shielded; according to the design, a real-time dynamic management and control message publishing and subscribing process of an application end in the aspects of node resource discovery and deletion, node running state monitoring, node working modes and the like is realized, and end-to-end interaction between a sensor node and the application end is realized; data filtering and calculation are added in the middleware, interconnection and intercommunication between different devices of the sensor network are achieved, the problem that heterogeneous network information nodes are difficult to fuse and transmit is solved, sensing layer devices and data types are more diversified, and the requirements of various industries in the future are better met.
Owner:陈同中

Resource configuration method, device and equipment

The embodiment of the invention provides a resource configuration method and device, a terminal and a storage medium. The method comprises the following steps of: obtaining a sample; The method comprises the following steps: monitoring a screen trigger event in a target application program by an operating system; obtaining trigger information corresponding to the screen trigger event, the triggerinformation being used for indicating the triggered interaction control in the current application layer of the target application program, the operating system obtaining a resource configuration strategy corresponding to the trigger information, and the operating system allocating system resources to the target application program according to the resource configuration strategy. According to theembodiment of the invention, when the interactive control in the target application program is triggered, the operating system can distribute the corresponding system resource to the target application program in a targeted manner according to the triggering information, so that the system resource has enough performance to meet the execution of the screen triggering event, and the flexibility and reliability of the terminal in operating the application program are effectively improved.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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