75results about How to "Flexible division" patented technology

The invention belongs to the technical field of antenna array arranging optimization, especially to an optimal arranging method of antenna arrays of a sub-array level, and relates to a sparse sub-array and sparse array element antenna array integrated arranging method based on a heredity algorithm. A sub-array level array idea and sparse array element arrangement are combined to establish an arranging model, the peak side-lobe level (PSLL) of the antenna array is set as a fitness function to establish an optimization model, and the heredity algorithm is employed to solve the optimal result of the optimization model. The combination of the sub-array level array idea and the sparse array element arrangement are combined to overcome the landform problem, sub-arrays can be flexibly divided for arrangement. The optimization method combining sparse sub-arrays and sparse array elements effectively lowers PSLL, which is substantially reduced when compared with a molecule array arranging method. The convergence speed of the method is five to ten times that of a conventional sparse array arranging method, and the convergence speed is substantially improved.

The invention discloses a method for displaying vector map data in mobile phone network navigation. Through interactive confirmation for mathematic elements in a vector map, download and dynamic cache processing of the vector map data, processing of geographic elements in the vector map data, processing of finishing elements in the vector map data, display and update of vehicle position information in the vector map, a user can switch a general diagram navigation mode and a detailed diagram navigation mode during navigation to achieve the effects of friendly navigation interface display, rich navigation information, reasonable map element distribution and little required data amount.

The invention provides an implementation method of a VPN (virtual private network) on basis of an SDN (software defined network). The method comprises steps as follows: a user uses a northbound interface provided through an SDN controller to send a service request for establishing the VPN; the SDN controller receives the service request which comes from the user and is used for establishing the VPN, and the service request comprises a service type and service parameters; the SDN controller performs packaging processing on a data packet from a local area network host according to the service type and the service parameters, and the data packet is sent to a designated foreign network through an OpenFlow exchanger; after an SDN controller of the foreign network receives the data packet, corresponding de-encapsulation processing is performed, and the network data packet of a sender is recognized; finally, the VPN is established between networks of two places. According to the method, the VPN is partitioned in an SDN service deployment manner; the problems of single configuration manner, complicated configuration and management and difficulty in maintenance of conventional VPN configuration are solved.

Through technique for interpreting multicast groups, by using regional multicast agent router as loot node, and by using regional multicast routers as branch nodes, multicast tree is built in domain in regional network. Thus, regional multicast agent manages multicast application in whole regional domain as well as switching mobile nodes in domain is shielded outside domain. Based on mobile IPv6 fast switch over protocol, through expanding use of option of multicast groups, the method realizes fast multicast switching mobile nodes inside and outside domain. Switching between domains is based on remote join mode in IPv6 protocol so as to guarantee approximative optimality of path for forwarding multicast. Meanwhile advantages including fast multicast switching, reducing switching delay and switching packet loss are realized.

The invention discloses a steel structured wide-bay energy-saving residential building with gypsum walls and an on-site layering and sectioning manufacturing method. A steel grid framework is adopted as an outer wall or a skeleton of separation load-bearing walls, and is spliced by preformed steel members on site, and the steel members are connected by high strength bolts on site; after a section of steel grid framework in the height of the steel members is spliced, a wall pouring template is adopted to surround the section of steel grid framework; then gypsum slurry is poured into a cavity of the steel members surrounded by the template in an on-site pouring mode to fill the gypsum slurry into the cavity of the steel members and completely cover the constructed steel grid framework; and the steps are repeated to manufacture the steel structured wide-bay energy-saving residential building with the gypsum walls. The building has the advantages of high construction efficiency, good energy-saving effect, good rust and fire resistance, wide bay and flexible room division.

The invention aims at solving the problems of difficult independent development and upgrading of modules of an existing software radio system due to tighter coupling of modules and provides a software radio system based on a service-oriented architecture, which supports heterogeneous environments and realizes loose coupling, better reusability and flexibility. A service-oriented system structure is adopted by the software radio system; all the wave form components of the system are packaged as Web service, and are deployed in the heterogeneous environment in a distributed way, and are integrated by a waveform service bus WSB; the established waveform service bus WSB is a logic soft bus, which is a distributed and loose-coupling service and application integration framework capable of supporting the heterogeneous environment, and provides functions like service interaction, service management, communication and information processing, security control, etc. Management control information transmission of the service is separated from business information transmission; the management control information is transmitted by a simple object access protocol SOAP; and the business information is transmitted by the simple object access protocol SOAP or by a way of directly establishing connection.

The invention provides an information hiding and protecting method based on an image and belongs to the technical field of computer applications. According to the information hiding and protecting method, original information to be transmitted is encrypted and hidden into an image, a user without a decryption password can only see the disguising image, and setting of an encryption password and a decryption password is completed by operations carried on the image; the operations carried on the image are composed of one behavior conducted on the area of the image by a user or multiple behaviors conducted on the area of the image by the user; during decryption, when the user inputs a correct decryption password, the coding data of the image are read, decrypted original information is extracted from the coding data, and the original information is displayed after the original information is decrypted through the decryption password. The information hiding and protecting method based on the image is high in safety and usability, capable of being applied to a mobile computing platform and a non-mobile computing platform and also capable of being applied to encrypted storage of local information and encrypted transmission or encrypted copying of information, and therefore the information safety of the user is effectively protected.

The invention discloses a synchronous control method for satellite network based on distributed location management of ground stations. The synchronous control method for satellite network based on distributed location management of ground stations comprises the following steps: (1) the satellite network is distributed into several areas within land surface coverage to achieve the location management with the ground station type within each area. (2) when the new terminal accesses into the satellite network, the access satellite conducts location information registration in the ground station within the subordinate location management. The registration information comprises a terminal access network site and terminal unique identifying information. (3) the terminal access information is synchronized with the location information at the other ground stations by the registered ground station. The synchronization strategies first group the ground station. The synchronization strategies update the precise location information synchronously to the ground stations within the group, that is, the synchronization strategies become the access satellite location and the terminal unique identification. The synchronization strategies synchronize the associated information to the ground stations outside the group, that is, the synchronization strategies become the terminal registered ground station and the terminal unique identification. Based on the greedy strategy, the ground station grouping algorithm iterates the candidate ground station. According to comparison about the size of the physical distance sum of the ground station within the group in the candidate ground station within the each iteration, the ground station with the maximum range is added into the group and the group distribution is ultimately finished. The synchronous control method is capable of increasing the network expandability, reducing the superfluous expenses resulted by the hypo-optimal routing as well as avoiding the problem of single point failure. In addition, the synchronous control method is capable of flexibly and efficiently providing the distinguished mobility support. The synchronous control method has innovation and usage significance.

The invention relates to a railway non-automatic blocking arrival signal machine approach section design method. The method includes the following steps that S1, non-automatic blocking arrival signal machine approach section length calculation takes service braking distance and additional quantity of a train from the highest speed to 0 into consideration; S2, an approach section range is designed by means of a same code sequence, and requirements of limiting length are segmented according to a rail circuit; S3, a locomotive signal switch-on standard is arranged at an entrance of an approach section, and a prediction signal machine is arranged on the position, 100-400 m away from the entrance, of the inner side of the entrance of the approach section. By means of the method of using the maximum service braking for calculating the approach section length, unnecessary braking of the locomotive improved according to LKJ setting regulations in the semi-automatic and automatic blocking between stations is avoided, and driving stability and driving efficiency are improved. Besides, approach section rail and code sequence division does not need to take constraints of grade braking into consideration, driving calculation is easier, and approach section rail and code sequence division is more flexible.

The invention provides a split-screen display method and electronic equipment. The method comprises the following steps: receiving a first input to a first object; in response to the first input, dividing a display area of a screen of the electronic equipment into at least two split screen areas according to a target operation position of the first input; and displaying a first interface corresponding to the first object in a first split screen area in the at least two split screen areas. According to the invention, rapid screen splitting and simultaneous operation of multiple applications canbe realized, user operation can be simplified, flexible division of the screen splitting area according to the operation position is realized, the problem of single screen splitting mode in the priorart is solved, and the utilization effect of the display area is further facilitated.

The invention relates to a dynamic multi-selection-region division method based on an FPGA (field programmable gate array) analytical layout solver. The dynamic multi-selection-region division method comprises the following steps: constructing a first cost function based on connection relations between all basic units, forming LEs (logic elements), in a netlist, and calculating first coordinate values of all the LEs in a chip layout; determining a plurality of overlapped regions of the LEs in a chip, and finding out legal region ranges for the overlapped regions respectively; performing recursive secondary division on the overlapped regions in parallel; applying tension respectively to the LEs in the overlapped regions subjected to secondary division to pull the LEs in all the overlapped regions away; constructing a second cost function based on the connection relations between all the basic units of all the pulled-away LEs, and generating second coordinate values of all the LEs; continuously determining overlapped regions, finding out legal region ranges for the overlapped regions, and carrying out iteration to generate Nth coordinate values of the LEs until the Nth coordinate values are legal layout solutions of the LEs. According to the dynamic multi-selection-region division method, the parallel secondary division speed is high, and the calculation speed is greatly increased.

The invention discloses a piezoelectric transformer for outputting voltages based on stress change and belongs to the technical field of the piezoelectric devices. A piezoelectric plate of the piezoelectric transformer comprises a primary side electrode and a secondary side electrode obtained by virtue of division according to stress distribution; each of the primary side and secondary side electrodes is composed of a plurality of sub-electrodes obtained by virtue of division according to the stress distribution of the piezoelectric transformer in different vibration models; as a result, multi-stage voltage output and high-power output of the piezoelectric transformer are realized; the electrodes are divided flexibly so that the manufacturing process can be simplified.

The invention provides a distribution area division method and device. The method comprises the steps of obtaining a to-be-divided target area from an area set; detecting that the target area is divided into a plurality of area blocks; and adjusting the plurality of region blocks according to the order data corresponding to each region block in the plurality of region blocks to obtain a pluralityof distribution regions. Through application of the method and the device, the problem of relatively low distribution area division efficiency in related technologies is solved, and the effect of thedistribution area division efficiency is further achieved.

The invention provides an arbitrary section catchment area boundary and river network extraction method for a digital elevation model. A flow direction partship relationship between a space grid unitwhere a section is located and other grid units is considered; dividing section upstream and space grid boundaries, extracting a catchment area river network system by taking the section upstream andspace grid boundaries as boundaries on the basis of eliminating a target water area coverage area, flexibly extracting a catchment boundary and a river network at the section upstream according to target water area sections of a river, a lake and a reservoir which are considered to be set, and defining a section hydrological influence orientation; meanwhile, by means of the development environmentof Python3 language, the code structure is simple, operation is convenient, and the method is an effective method for automatically extracting the river network water system of the pointed section catchment area and dividing the catchment units.

The invention provides a network domain division method. Firstly n virtual network domains are obtained through division according to the tenant number requirement, and n virtual protocol stacks are also established and a tenant ID is correspondingly allocated for each virtual network domain; and then m physical interfaces are selected according to the number of the virtual network domains, virtual interfaces which can be generated by the m physical interfaces are correspondingly distributed to n virtual network interfaces through division and then the n virtual network interfaces are added to the virtual network domains. When the physical interfaces cannot meet the requirements of the tenants, the network domains can be divided in a more flexible mode without being limited by the fact of whether the switch supports VLAN; meanwhile, each tenant network domain uses its independent virtual protocol stack so that network communication of other domains is not influenced when the network of one domain has problems.

The invention provides a rail for construction and building facilities, and relates to the field of building construction. The rail for construction mainly comprises a support main bod and a protection main body which are detachably connected. Construction personnel only need to make the support main body and the protection main body connected, and a construction site can be isolated. The supportmain body comprises a shear type telescopic mechanism, the protection main body can be folded or stretched so as to adjust the state. The protection main body stretches or folds along with telescopingof the shear type telescopic mechanism. By means of telescoping of the shear type structure and stretching and folding of the protection main body, the construction personnel can conduct isolation ofthe construction site or isolation removing conveniently, the work efficiency of the construction personnel is improved, and the human waste is reduced. A first mounting part and a second mounting part are arranged at the two ends of the support main body respectively, and the shear type telescopic mechanism is located between the first mounting part and the second mounting part. The two ends ofthe protection main body are detachably connected with the first mounting part and the second mounting part. The building facilitates comprise the rail of construction.

The invention discloses a network security communication system based on a block chain smart contract, and belongs to the technical field of digital information transmission. The system comprises a network isolation module, a user-defined configuration module, an authorized access module, an intelligent contract module, a certificate management module, an automatic deployment module and a sentry verification module. Network isolation is carried out through a network isolation module by adopting an ebpf network firewall and utilizing a micro-segmentation technology; through the custom configuration module, a system administrator configures custom resources and authorization rules on the platform and initiates voting; the administrator votes and manages the management event through the trusteeship and security contract on the block chain by using the authorization access module; querying a contract through an intelligent contract module to obtain a corresponding state change; generating a CA certificate by using a certificate management module; automatically deploying a client and a service team sentinel by using an automatic deployment module according to CA certificate information injection; and the guard verification module is used for accessing a specified interface.

The invention discloses a data processing method and system, an access control method and system, a device, equipment and a storage medium, and the method comprises the steps: dividing a storage region of a safety page table in a storage, and forbidding the replacement of safety page table information in the storage region of the safety page table from the storage region of the safety page table;in response to a storage area protection request, determining a security data storage region to which the storage area protection request points and a security mode adopted by the security data storage region; and based on the page table structure of the security data storage region, and updating corresponding security page table information in the security page table storage region, and settingcorresponding security mode state information in the security page table based on the security mode, the page table structure of the security page table storage area being suitable for indicating a mapping relationship between the virtual address and the physical address of the security data storage region. By adopting the scheme, the security of the data in the memory can be improved.

A network switch includes at least one port processor and at least one switch element. The port processor has an SONET OC -x interface (for TDM traffic), a UTOPIA interface (for ATM and packet traffic), and an interface to the switch element. In one embodiment, the port processor has a total I/O bandwidth equivalent to an OC-48, and the switch element has 12x12 ports for a total bandwidth of 30 Gbps. A typical switch includes multiple port processors and switch elements. A data frame of 9 rows by 1700 slots is used to transport ATM, TDM, and Packet data from a port processor through one or more switch elements to the same or another port processor. Each frame is transmitted in 125 microseconds; each row in 13.89 microseconds. Each slot includes a 4-bit tag plus a 4-bnyte payload. The slot bandwidth is 2.592 Mbps which is large enough to carry an E-1 signal with overhead. The 4-bit tag is a cross connect pointer which is set up when a TDM connection is provisioned. The last twenty slots of the frame are reserved for link overhead. Thus, the frame is capable of carrying the equivalent of 1,680 E-1 TDM signals. For ATM and packet data, a PDU (protocol data unit) of 16 slots is defined for a 64-byte payload. The PDUs are self-routed through the switch with a 28-bit routing tag which allows routing through seven switch stages using 4-bits per stage. Bandwidth is arbitrated among ATM and Packet connections while maintaining TDM timing.

The invention discloses a sampling device for obtaining cemented filling slurry on different layers and a working method thereof. The sampling device comprises a transfer device, a charging device anda base. The transfer device comprises a transfer platform, a push plate and a square container. The push plate is arranged between baffles on both sides of the transfer platform, and the square container is located at the bottom of the transfer platform. The charging device is composed of a discharge cylinder, a piston, a sealing ring and a fixing ring. The piston is arranged inside the dischargecylinder, the sealing ring is arranged outside the piston, and the discharge cylinder is mounted on the base by the fixing ring. The base is composed of a support frame, an electric telescopic rod and a sliding rod. The sliding rod is located on the lower portion of the support frame, and the electric telescopic rod is mounted on the sliding rod to be arbitrarily moved or fixed. The transfer device is installed at the upper end of the discharge cylinder to transfer the slurry, and the electric telescopic rod pushes the piston inside the discharge cylinder to sample the slurry on the differentlayers. The device is simple in operation and high in practicability, and achieves the effect of obtaining slurry samples on the different layers under the premise that the internal structure of thecemented filling slurry is not disturbed.