58results about How to "Quantitative restrictions" patented technology

The invention discloses a video barrage display method and device, and the method comprises the steps: obtaining the Like number of a user for barrage; receiving a barrage request, and obtaining barrage data correlated with a current video, wherein the barrage data comprises the barrage content and a corresponding Like number; screening out a hot spot barrage exceeding a preset Like number threshold value according to the Like number; preferentially selecting the hot spot barrage according to the preset Like number threshold value, transmitting the screened barrage to a client, and enabling the client to display the barrage in a preset display mode. The method and device obtain the Like number, preferentially select the hot spot barrage according to the preset Like number threshold value, and limit the display number of barrages on a screen through the preset Like number threshold value. The method and device not only improve the quality and efficiency of barrage screening, but also prompt the users to remark the barrage and make interaction. Meanwhile, the method and device effectively reduce the number of displayed barrages, and improve the experience of the users in watching the video barrages.

The invention discloses a high-precision simple interactive image matting method, a storage device and a terminal. The method includes the steps: inputting an original image to be matted; outputting prompt messages according to different use environments; acquiring user operation commands and determining operation modes; performing calculation to obtain a tripartite graph; acquiring foreground and background sample point sets of unknown region pixels; estimating non-transparency of the unknown region pixels and taking non-transparency with the highest confidence coefficient as image matting non-transparency when extracting sample points; performing smoothing operation on neighborhoods of the unknown region pixels to obtain image matting non-transparency of the smoothed unknown region pixels; extracting a foreground target from the original image according to the smoothed image matting non-transparency and color values of sample point pairs. The method is simple in operation and applicable to the field of image processing, and has high image matting precision.

The invention discloses a method, a system and a gateway of controlling networking terminal number in a route mode. The method includes: set up a maximum networking terminal number in the gateway; determine the current networking terminal number, when the gateway confirm that a received network access request is from a new terminal; the gateway refuses the network access request, when confirming the current networking terminal number is greater than or equivalent to the maximum networking terminal number. The number of networking terminal is controlled by setting up the maximum networking terminal number in the gateway, and then analyzing the network access request by the gateway, and refusing the network access request from the new terminal when the current networking terminal number is greater than or equivalent to the maximum networking terminal number.

The present invention relates to an optical communication system or the like, which comprises a multicore fiber with a plurality of cores that are two-dimensionally arrayed in a cross-section thereof. In the optical communication system, an arrangement converter, provided between a multicore fiber and an Optical Line Terminal (OLT) having light emitting areas arrayed one-dimensionally, comprises first and second end faces, and a plurality of optical waveguides. The optical waveguides are disposed such that one of the end faces coincides with the first end face and the other end face coincides with the second end face. In particular, the optical waveguide end face array on the first end face and the optical waveguide end face array on the second face are different, contributing to an optical link between network resources of different types.

The present invention relates to the demodulation technology of the fiber grating system, specifically to an optical demodulation method and an optical demodulation instrument based on OTDR technology. The circulator outputs short pulses to the measured optical fiber with multiple fiber gratings in series, and the optical signal reflected by the fiber grating enters the OTDR receiver through the coupler or circulator, and the output signal of the OTDR receiver is sent to the data processing unit; then it can be Tune the light source and set other wavelengths, repeat the above test, and send the data to the data processing unit. The data processing unit integrates the reflection intensity signals of different wavelengths of the fiber grating at the same position to obtain the reflection spectrum of the fiber grating; repeat the above process for the fiber gratings at different positions to obtain the reflection spectra of all fiber gratings connected in series on the optical fiber and / or optical fiber The distribution position of the grating on the optical fiber under test. The invention can break the limitation of the number of sensing heads on the optical fiber to be tested.

The invention discloses a UDP based data transmission method which comprises the steps of: (S1) dividing a file to be transmitted into data pockets and sequencing the data pockets by a transmission terminal so that a receiving terminal can restore the data pockets into a transmitted file; (S2) setting three queues by the transmission terminal, when all data of one data pocket in a data queue waiting for being transmitted is transmitted, waiting for the response of the receiving terminal; and when the receiving terminal gives a response with successful receiving, deleting the information of the successfully transmitted data pocket by a data queue waiting for response; and when the response of the receiving terminal to the data pocket of the data queue waiting for response is time out, adding the data pocket in a re-transmitting data queue for waiting for being added in the data queue waiting for being transmitted to be transmitted again. The invention widens the interconnection of users among networks, greatly improves the network transmission efficiency, can be widely applied in data transmission based on internet technology and can ensure the reliability of data transmission.

The invention provides a multi-station rapid configuration device and a configuration method thereof for FPGA test. A test module sends an operation instruction to a configuration module, realizes selection of operation stations, selection of configuration readback operation type and selection of configuration mode, and receives an operation result returned by the configuration module; the configuration module receives an operation instruction of the test module, and sends the operation instruction to a configuration adapter; and the configuration adapter, according to the operation instruction, finishes configuration of an FPGA chip to be tested and readback of configuration data and sends the readback data to the test module. The multi-station rapid configuration device and method realize configuration operation of a plurality of FPGA chips to be tested simultaneously, and realize readback operation of the configuration data, support selection of multiple configuration modes, are compatible with a plurality of test platforms, and realize isolation protection and dynamic level matching of the configuration adapter and the FPGA chip to be tested; the configuration adapter does not occupy test program vector and channel resources during working, thereby saving storage medium, and simplifying hardware design; and configuration data is flexible to update, and configuration time is saved.

The invention discloses an unknown malicious code detection method for an embedded processor. The method comprises the following steps: creating an embedded system self-set, generating a detector set and detecting an unknown malicious code; collecting and encoding instruction sequence information of a normal program in a system at a processor instruction level to generate a binary string set as the self-set; generating a binary string as a candidate detector at random and carrying out negative selection on the binary string and elements in the self-set to generate a detector set; matching with the binary string of behavior information of a to-be-detected code collected from the instruction level by the binary string in the detector set; carrying out fuzzy matching among the binary string in the self-set, the binary string of the detector and the to-be-detected binary string by a double-threshold ymir rule, so that the detection rate on the unknown malicious code is increased; and the resource consumption of the system is reduced. The self-set and the detector set are stored by a CAM word memory-addressable memory, so that the searching and matching efficiency is improved; and the generation efficiency of the detector is improved.

The invention discloses a method for transmitting data collected by intelligent hardware to a data receiving end based on the Bluetooth iBeacon broadcast protocol. On an intelligent hardware device side, the method comprises the following steps: adding a proprietary protocol to the iBeacon protocol, embedding the collected by intelligent hardware in a user-defined field of an iBeacon frame of the device, and broadcasting a data packet to be received by the data receiving end matched with the same UUID as the hardware device, and analyzing the collected data. On the other hand, the invention further provides an intelligent hardware device for implementing the method and a mobile terminal for receiving the data. By adoption of the method disclosed by the invention, the data communication is simple and effective; the intelligent hardware device responsible for collecting the data does not need to request to connect a host, but unidirectionally broadcasts the data, the Bluetooth data can be automatically connected and sent within the range of the Bluetooth broadcast, the host automatically processes the data, therefore the user experience is good, no interruption feeling is generated, the data reception and processing is executed in the background of the host, and thus the method is particularly suitable for a long-connection monitoring transmission system.

The present invention provides a two-way intelligent video analysis and management method which is as follows: obtaining the number of personnel of a current detection channel; judging the relationship between the obtained number of the personnel of the current detection channel and a set security personnel number; and when the judged number of the personnel of the current detection channel exceeds the set security personnel number, sending an alarm signal and meanwhile taking over access privileges of an entrance guard. The two-way intelligent video analysis and management method solves the problem that the number of the personnel simultaneously entering a channel control area cannot be effectively controlled by channel management systems in the prior art.

The invention discloses a file access request processing method, which is based on ganesha-nfs business process implementation, the number of requests processed can be initialized at the beginning ofthe processing cycle, After receiving the file access request sent by the current nfs client, it is judged whether the number of processed requests in the current processing cycle reaches the preset threshold, and if so, the file access request is discarded; otherwise, the file access request is added to the request processing queue and the number of processed requests is updated. Therefore, the method can limit the number of file access requests handled by the server in a processing cycle, avoid the system crash caused by processing a large number of file access requests centrally in a certain period of time, limit a large number of malicious file access requests, and improve the security. In addition, the invention also provides a file access request processing device, an nfs server, andan nfs system, which function corresponds to the above method.

The invention discloses a display method applied to an electronic device with a round desktop. The display method comprises the steps of building a spherical model and arranging application icons on the spherical model; displaying a first interface which displays a current application on the round desktop; and switching the application according to a sliding track of a sliding operation input by a user, and displaying a second interface which displays a sliding progress relationship on the round desktop during sliding. The invention furthermore discloses a display system applied to the electronic device with the round desktop. According to the display method and system based on the round desktop, the application can be matched with the round desktop, so that the display problem of the round desktop is solved and the applicability problem of the application in a relatively small display interface is solved.

The invention discloses an LED string light controller for carrying out control by utilizing DC carrier communication. The LED string light controller is characterized by comprising an AC / DC converter, a voltage stabilizing circuit, a microprocessor, a single modulation circuit and a voltage conversion control module; an output end of the AC / DC converter is connected with an input end of the voltage conversion control module through the voltage stabilizing circuit; two output ends of the microprocessor are respectively connected with an input end of the single modulation circuit and a control end of the voltage conversion control module; and an output end of the single modulation circuit is connected with an output end of the voltage conversion control module, and serves as an LED string light output end to be connected with an LED string light. The LED string light controller has the advantages that a power cord is utilized to transfer control signals so that a signal line can be saved and only two lines are required; through communication data, the signal generation of the controller can be realized more easily; the quantity of LED light beads is not limited; and the LED light beads in the LED string light are connected in parallel, so that if one LED is damaged, the other LEDs are not influenced.

The invention relates to a nanocrystal magnetically-soft alloy with low magnetic conductivity and a preparation method of the nanocrystal magnetically-soft alloy. The nanocrystal magnetically-soft alloy comprises the following components in parts by weight: 60-70 parts of iron, 1-5 parts of nickel, 5-10 parts of silicon, 5-10 parts of boron, 5-10 parts of niobium, 0.7-1.3 parts of copper, 1-2 parts of aluminum and 0.1-1.7 parts of cobalt. The magnetic conductivity of the nanocrystal magnetically-soft alloy disclosed by the invention is lower than 2000, the linearity of the magnetic conductivity is good, and the magnetic conductivity change rate within a linear section of the magnetic conductivity is smaller than 10%, so that the direct-current resistance and stability of the material are improved; the product percent of pass is increased, the original product percent of pass can be only up to about 30%, the existing product percent of pass can be up to more than 85%, and therefore, the product percent of pass is greatly increased; and due to the adoption of the alloy, the application range of an iron core is widened, and the structural designs of some products are better optimized.

The invention relates to an LED display system which comprises the components of an upper computer, a HUB kind connecting device, a plurality of terminal devices, and an LED display screen which is connected with the plurality of terminal devices. The upper computer is connected with the HUB kind connecting device through a network or a USB data cable. The plurality of terminal devices are connected with the HUB kind connecting device through the network or USB data cables. The LED display system with a terminal device star-shaped connected access control architecture based on the network or USB data cables according to the invention can support remote accessing. Upper computer software realizes timely control response for each terminal device, and therefore good user experience is obtained. Communication speed can be improved, and the LED display system is suitable for batch data transmission. Furthermore the upper computer communicates with the terminal devices in a point-to-point communication manner, thereby preventing restriction to the number of terminal devices by a bus type cascade structure.

The present invention provides a long platform digital printing machine. The machine comprises a stand and a digital printer. The printing machine is provided with a transmission dolly and a dolly running system, the transmission dolly is provided with a transmission frame and a first level driving device which drives the digital printer to perform reciprocating motion on a platform surface being parallel to the stand in the transmission frame, and the dolly running system is provided with a second level driving device which drives the transmission dolly to perform reciprocating motion on a platform surface being parallel to the stand. The long platform digital printing machine cooperates with the first level driving device in the transmission dolly through arrangement of a mobile transmission dolly, the digital printer automatically returns back to a printing starting point after printing one pattern, and the digital printer depends on the transmission dolly for bearing and moving to the next position for printing patterns, so that the accurate printing of the long platform of the stand with the length of tens of meters. The combination of the traditional silk screen complex technology printing and the digital spray printing is realized.

A method can use mobile phone browser to receive and send message, wherein a mobile phone is communicated with a servo, via a mobile phone communication network and a inter-network network, to communicate message with other mobile phones via the servo, but not sends mobile phone message via a mobile phone communication system, therefore, the content length of message is not limited to save message cost, and the message number is not limited by the memory capacity of mobile phone. Via the invention, user can use message to communicate real-time.

The invention discloses a chlorosilane purification system. The system comprises: first to fifth rectifying towers, wherein each of the first to fifth rectifying towers has a material inlet, a gas outlet, a liquid outlet, a liquid inlet and a gas inlet; first to fifth reboilers, wherein each of the first to fifth reboilers has a liquid inlet, a gas outlet, a steam inlet and a condensate liquid outlet; first to fifth reflux pumps; and a condenser. Compared with simple coupled rectification technologies, the above five tower continuous coupling method has a more obvious energy saving effect, enables the energy consumption to be reduced by 80%, and solves a problem that energy consumed by a purification process of a polysilicon system is high, so the production cost is reduced.

The invention discloses a carrier meter reading method. The method comprises the following steps: periodically obtaining a to-be-sent meter reading instruction; obtaining the number of current broadcast sending instructions, and judging a sending mode of a to-be-sent meter reading instruction according to a preset sending rule based on the number of the current broadcast sending instructions, thesending mode comprising unicast sending and broadcast sending; and sending the to-be-sent meter reading instruction according to the judged sending mode, receiving meter reading data corresponding tothe to-be-sent meter reading instruction, and reporting the meter reading data. According to the invention, the sending mode of the to-be-sent meter reading instruction can be switched from unicast sending to broadcast sending according to the preset sending rule, so that the meter reading accuracy is improved.

The invention provides an ONU (Optical Network Unit)-based MAC (Media Access Control) address quantity limitation method and ONU-based MAC address quantity limitation system. The method comprises the following steps of: detecting whether a source MAC address of a data message from an input port is lacked or not; if so, acquiring a current MAC address quantity of a corresponding ONU according to an outer-layer VLAN (Virtual Local Area Network) of the data message; judging whether the current MAC address quantity of the ONU reaches the upper limit of a pre-set MAC address quantity or not; if so, discarding the data message; otherwise, adding a corresponding static MAC table item corresponding to the data message into an L2 address table. With regard to GPON (Gigabit Passive Optical Network) equipment which does not support the MAC address quantity limitation of the ONU, the ONU-based MAC address quantity limitation method and the ONU-based MAC address quantity limitation system, provided by the invention, are adopted, and ONU-based MAC address quantity limitation is realized on an OLT (Optical Line Terminal) side or a supported GPON chip; the configuration with relatively fine granularity is obtained and requirements on current network access test and actual requirements can be met very well.

The invention discloses a chlorosilane purification method. The method comprises the following steps: carrying out first to fifth rectification purification on first to fifth chlorosilane to obtain first to fifth tower top steams and first to fifth tower bottom liquids; 2, condensing the first tower top steam to obtain a first chlorosilane condensate liquid, and returning parts of the first chlorosilane condensate liquid into a first rectifying tower; 3, carrying out first to fifth reboiling treatment on the first to fifth tower bottom liquids to obtain first to fifth reboiling steams, and returning the first to fifth reboiling steams into first to fifth rectification towers; and 4, carrying out the first to fourth reboiling treatment by using the second to fifth tower top steams to obtain second to fifth chlorosilane condensate liquids. Compared with simple coupled rectification technologies, the above five tower continuous coupling method has a more obvious energy saving effect, enables the energy consumption to be reduced by 80%, and solves a problem that energy consumed by a purification process of a polysilicon system is high, so the production cost is reduced.

The embodiment of the invention provides an intranet equipment access method and system based on an SSH reverse tunnel. The method comprises the steps: sending a connection request of intranet equipment to an intranet proxy server, so as to enable the intranet proxy server to send an active connection establishment command to the intranet equipment according to the connection request; and after a request for establishing SSH connection sent by the intranet equipment according to the active connection establishment command is received, multiplexing an SSH reverse tunnel to connect to the intranet equipment. According to the embodiment of the invention, the SSH technology can be adopted to ensure the safety of transmission data, and the number of accessed intranet equipment is not limited by the number of machine ports.

The invention relates to an LED display system which comprises the components of an upper computer, a HUB kind connecting device, a plurality of terminal devices, and an LED display screen which is connected with the plurality of terminal devices. The upper computer is connected with the HUB kind connecting device through a network or a USB data cable. The plurality of terminal devices are connected with the HUB kind connecting device through the network or USB data cables. The LED display system with a terminal device star-shaped connected access control architecture based on the network or USB data cables according to the invention can support remote accessing. Upper computer software realizes timely control response for each terminal device, and therefore good user experience is obtained. Communication speed can be improved, and the LED display system is suitable for batch data transmission. Furthermore the upper computer communicates with the terminal devices in a point-to-point communication manner, thereby preventing restriction to the number of terminal devices by a bus type cascade structure.

The invention provides a gas detection device and a manufacturing method thereof. The gas detection device comprises a plurality of detection units and interconnection control lines which are formed on the same substrate, the plurality of detection units are arranged in rows and columns to form an array, and each detection unit comprises a micro hot plate and a circuit unit which is associated with the micro hot plate and comprises a transistor. Each micro hot plate includes: a suspended film supported over a substrate; a heater arranged on the suspended film or embedded in the suspended film; and a pair of measuring electrodes arranged above the heater. The interconnection control lines are arranged to enable the detection units in each row to share the same selection interconnection lines and the detection units in each column to share the same signal interconnection lines, wherein the selection interconnection lines used for different rows of the array are different from one another, and the signal interconnection lines used for different columns of the array are different from one another. According to the invention, addressing and control on each micro hot plate in the array can be realized by reducing devices and connecting lines, and two or more micro hot plates can be independently and simultaneously operated.

The invention belongs to the technical field of integrated circuits, and particularly provides an FPGA logic test method and device. The method comprises the following steps: based on a to-be-tested signal bandwidth and a sampling depth of a to-be-tested logic source code, determining a required resource storage amount required for testing the to-be-tested logic source code; if the required resource storage amount is smaller than the residual storage amount of the FPGA on-chip memory, determining that the storage mode is on-chip storage, otherwise, determining that the storage mode is off-chip storage, wherein the memory corresponding to the on-chip memory is an FPGA on-chip memory, and the memory corresponding to the off-chip memory is an external memory; and testing the to-be-tested logic source code based on the kernel of the embedded logic analyzer, and storing sampling data generated by the test into a corresponding memory according to the determined storage mode. According to the invention, the problem of low sampling depth caused by an internal storage space during FPGA testing can be avoided, so that the sampling depth during testing is effectively improved.

The invention discloses a server starting method, which comprises the following steps of: responding to power-on of a server, and initializing a virtual sensor warehouse by utilizing firmware; acquiring information recorded by a virtual sensor with a preset flag bit in the BMC so as to apply the information to firmware; in response to the fact that the firmware runs to a preset state or runs abnormally without affecting startup, creating a virtual sensor through a PDR and adding the virtual sensor into the virtual sensor warehouse; recording a running state by using the created virtual sensor; and responding to the firmware to enter the petboot, and sending all the virtual sensors in the virtual sensors to a BMC (Baseboard Management Controller). The invention further discloses a system, computer equipment and a readable storage medium. According to the scheme provided by the invention, a large number of virtual sensors are virtualized through the PDR and are used for monitoring the starting process of the server, so that the limitation of an IPMI protocol on the number of the sensors is avoided, and the starting state of the server can be conveniently detected.