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45results about How to "Flexible and configurable" patented technology

Multi-dimensional multiplexing photon terahertz communication system

The invention discloses a multi-dimensional multiplexing photon terahertz communication system, and the system comprises an optical frequency comb generation module, a wavelength division multiplexingmodule, a signal modulation module, an optical branching module, a space division multiplexing fan-in module, a multi-core optical fiber, a space division multiplexing fan-out module, a terahertz signal transmitting module, a terahertz prism and a terahertz signal receiving and demodulating module which are connected in sequence. According to the invention, the optical frequency comb generation module is adopted to generate optical frequency combs with wide bands and flat power distribution, and multiple paths of optical signals are simultaneously transmitted through the space division multiplexing fan-in fan-out module and the multi-core optical fiber. According to the photon terahertz wireless communication system, multiple multiplexing technologies are combined with the photon terahertz wireless communication system, the system can adjust the number of carriers through the wavelength division multiplexing module and adjust the number of branches through the space division multiplexing module, the data propagation rate of the Tbit/s magnitude can be achieved, the system capacity can be flexibly configured, the structure is simple, and the spectral efficiency is high.
Owner:ZHEJIANG UNIV

Heterogeneous platform neuron positioning three-stage pipeline parallel method, system and medium

The invention discloses a heterogeneous platform neuron positioning three-stage pipeline parallel method and system and a medium. According to the method, slice image data are calculated into block parameters according to the image size and the calculation granularity; storage space allocation is performed on the CPU end and the GPU end respectively based on the partitioning parameters; variablesand storage space are initialized; task scheduling is carried out by CPU, a three-level assembly line mode is adopted by a CPU and a GPU at the same time to execute a calculation task, wherein each calculation task comprises three steps of parallel data reading, positioning calculation and data writing-back, and each round of calculation task in the middle executes positioning calculation while executing data writing-back of the previous round of calculation task, and executes data reading-in of the next round of calculation task. The processing speed of neuron positioning can be improved, and the method has the advantages of high neuron positioning speed, short program execution total time, flexible three-level assembly line implementation, parameter configuration supporting and easinessin transplantation and popularization.
Owner:NAT UNIV OF DEFENSE TECH

Dynamic simulation system for small current grounding of power distribution network and modeling method of dynamic simulation system

The invention provides a dynamic simulation system for small current grounding of a power distribution network and a modeling method of the dynamic simulation system. The system comprises a power simulation unit, a circuit simulation unit, a fault simulation unit, a grounding unit and a controller, wherein an output end of the power simulation unit provides a power signal of the system; the circuit simulation unit is connected with the power simulation unit and used for simulating circuits of the power distribution network; the fault simulation unit is connected with the circuit simulation unit and used for simulating ground faults of the system; the grounding unit is connected with the output end of the power simulation unit; the grounding unit forms a neutral point in the position wherethe grounding unit and the output end of the power simulation unit are connected, the neutral point is connected with different grounding structures through a connection/disconnection device, and theconnection/disconnection device is controlled by the controller to connect or disconnect, so that different grounding manners are constructed. The problem that the neutral point grounding manner of the current dynamic simulation system for the power distribution network is not flexible is solved at least.
Owner:SHANGHAI WISCOM SUNEST ELECTRIC POWER TECH

Remote maintaining system for overseas satellite ground application system

The invention discloses a remote maintenance system for an overseas satellite ground application system. The remote maintenance system is characterized in that the system includes: a uniform network sub-system for conducting uniform monitoring on a plurality of overseas business systems; a remote maintenance sub-system for receiving and collecting log and breakdown alarm information of the plurality of overseas business systems; and a remote maintenance supporting center sub-system for receiving the log and breakdown alarm information and providing corresponding support. According to the invention, the remote maintenance system is characterized by flexibility and configurability, can establish different product groups on the basis on the types of monitoring systems and establish teams according to the product groups in such a manner that different people in charge of different tasks. The system is further characterized by mutual communication at home and abroad in such a manner that the remote maintenance sub-system which is disposed abroad can be connected to the remote maintenance supporting center sub-system which is disposed domestically via a VPN network, so that when implementation workers at abroad can not address a breakdown, the breakdown can be forwarded to a domestic remote maintenance sub-system via the VPN network and relevant experts or engineers at home can address the breakdown in time.
Owner:SPACE STAR TECH CO LTD

Device for read-write control based on time division multiplexing in DDR3

PendingCN111694775AImprove storage bandwidth utilizationImprove throughputElectric digital data processingComputer hardwarePathPing
In order to solve the problem that read-write control of a DDR3 over different signals needs to be reasonably achieved in order to achieve data storage and conversion of multiple paths of independentsignals on one DDR3, the invention provides a device for read-write control based on time division multiplexing in DDR3. The device comprises a time division multiplexing module, a DDR3 write controlstate machine module, a DDR3 read control state machine module, a DDR3 read-write data module, a DDR3 read-write address module and a read-write command signal generation module. The time division multiplexing module is used for generating exclusive read time slots and write time slots of independent signals, and the read and write processes of the paths of signals are completely independent; theDDR3 read and write control state machine modules are used for controlling the data reading and writing processes of the DDR3 respectively; and the DDR3 read-write data, address and read-write commandsignal generation modules are used for completing the most direct data interaction process with the DDR3. The hardware implementation structure is simple, flexible and configurable, the implementation cost can be reduced, and the system operation frequency can be improved under certain conditions.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Full-life-cycle management system for amusement equipment products

The invention relates to a full-life-cycle management system for amusement equipment products, which comprises an operation center subsystem, a scenic spot platform subsystem, an administrative supervision platform subsystem and a manufacturing unit platform subsystem; the operation center subsystem controls and manages the scenic spot platform subsystem, the administrative supervision platform subsystem and the manufacturing unit platform subsystem; a low-coupling and coarse-grained distributed structure is adopted, and the overall functions of the system are divided into four functional platforms; the implementation inside a scenic spot platform and a manufacturing unit platform is also decoupled, and the platform has good transportability and expandability by being decomposed into a terminal connection management service, a monitoring data processing service and a Web management service, so that the condition that the data volume of the acquired PLC is increased can be easily dealtwith; and meanwhile, a plurality of decoupled platform services are better integrated together by using a message service and a shared cache service to realize data consistency, so that the product information of the recreation facility is effectively traced, and the product quality and the service quality are effectively improved.
Owner:GUANGDONG JINMA ENTERTAINMENT CORP LTD

Modular operation method with variable bit width, and modular operation circuit

The invention relates to a modular operation method with the variable bit width, and a modular operation circuit. Firstly, a modulus is shifted leftwards, the left shifting result and the modulus are combined with the bit width of an operand, N+1 intervals are formed according to the sequence from large to small, one bit is shifted leftwards, the minimum value of the first interval is subtracted from the operand, and the size of the obtained result and the value is judged; when the result is greater than the value, the result is used for replacing the operand to continue subtraction operation until the obtained result is smaller than the operand, then next interval operation is carried out, if the result is smaller than the operand at the beginning, the next interval is directly entered, the operation is repeated until the last interval is entered, subtraction and comparison operation is carried out, and modular operation is completed; and when left shifting is carried out by two or more bits, the interval where the operand is located is judged, then the operand skips to the corresponding interval, and c subtraction and comparison operation are directly performed on the later interval according to the previous process; and corresponding circuits need to be configured with a plurality of shifters, registers, subtracters and selectors.
Owner:XI AN JIAOTONG UNIV

Subcarrier multiplexing optical network uplink transmission system based on filter multi-carrier modulation

The present invention provides a subcarrier multiplexing optical network uplink transmission system based on filter multi-carrier modulation, which includes a sequentially connected access control module, a filter-based multi-carrier modulation module, a subcarrier modulation module, a multiplexing module, and a feeder Type optical fiber, optical amplifier, demultiplexing module, photodetector, subcarrier demodulation module, uplink data receiving module. In the present invention, the data generated by the access control module is modulated by a filter-based multi-carrier modulation method, and the modulated user data is modulated to different optical sub-carriers by using the radio frequency sub-carrier modulation of the optical carrier for transmission. The data of the unit is multiplexed to the upstream fiber channel. The present invention utilizes filter-based multi-carrier modulation technology combined with sub-carrier multiplexing technology to make efficient use of uplink spectrum resources, and at the same time has good performance against inter-symbol interference and inter-subcarrier interference between uplink users, thereby supporting Higher transmission rate and spectral efficiency.
Owner:SHANGHAI JIAOTONG UNIV

A multi-dimensional multiplexing photonic terahertz communication system

The invention discloses a multi-dimensional multiplexing photonic terahertz communication system, which comprises an optical frequency comb generation module, a wavelength division multiplexing module, a signal modulation module, an optical branching module, a space division multiplexing fan-in module, a multiple Core fiber, space division multiplexing fan-out module, terahertz signal transmitting module, terahertz prism, terahertz signal receiving and demodulating module. The invention adopts an optical frequency comb generation module to generate an optical frequency comb with wide band and flat power distribution, and simultaneously transmits multiple optical signals through a space division multiplexing fan-in and fan-out module and a multi-core optical fiber. The invention combines multiple multiplexing technologies with the photonic terahertz wireless communication system. The system can adjust the number of carriers through the wavelength division multiplexing module, and adjust the number of branches through the space division multiplexing module, which can realize Tbit / s level The data transmission rate is high, the system capacity can be flexibly configured, the structure is simple, and the spectrum efficiency is high.
Owner:ZHEJIANG UNIV

Complex computing power system parallel processing method for realizing performance optimization based on flexible configuration

The invention belongs to the technical field of complex computing power systems, and particularly relates to a complex computing power system parallel processing method for realizing performance optimization based on flexible configuration, which comprises the following steps: an application system receives a plurality of parallel job tasks and completes configuration of task relevance configuration files; the main control node machine monitors the idle computing power resources of all the parallel node machines to obtain an idle computing power resource result; the main control node machine allocates idle computing power resources of the parallel node machines to the parallel job tasks; the master control node machine generates a task execution instruction corresponding to each parallel node machine according to the allocation result of the idle computing power resources of the parallel node machines; and the parallel node machine carries out corresponding job processing, and in the job processing process, flow control is carried out according to the task relevance configuration file until the job is completed or stopped. According to the method, rapid parallel computing under multiple algorithms and grouping tasks under different task types can be realized, and the execution efficiency of parallel computing is greatly improved.
Owner:航天科工智能运筹与信息安全研究院(武汉)有限公司

A system implementation method for data storage and push of a large number of devices in the Internet of Things system

ActiveCN108965483BReduce data volumeReduce concurrent write operationsTransmissionEngineeringData store
The invention discloses a system implementation method for data storage and push of a large number of devices in the Internet of Things system, including the following steps: Step 1: respectively divide each device into the group to which it belongs; Step 2: query according to the source of the data collected from the device device-topic table, get the group topic to which the data belongs, and then insert it into the push-data table; Step 3: Establish a mapping relationship between topic and url, and insert it into the okhttp-push table; Step 4: Use okhttp-push The value of topic and mid in each row in the push table is used to query the push-data table, and the data under the topic that has not been successfully received by the user corresponding to the url address is sent sequentially with okhttp; step 5: through the response data of okhttp , to determine whether the user has successfully received the push message, and if it is successfully received, update the mid corresponding to the topic and url in the okhttp‑push table. The present invention realizes storing a large amount of data collected from various devices, such as gateway devices, terminal nodes and other arbitrary devices, in a database, and pushing them to each user.
Owner:武汉慧联无限科技有限公司
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