89results about How to "Meet transmission needs" patented technology

The invention discloses an active power distribution network route scheduling and dynamic selection method and system driven by business requirements, and belongs to the technical field of active power distribution network control. The method comprises the following steps of: evaluating a physical importance index and an information importance index of each piece of service flow according to physical influence and information requirements of issuing each piece of service flow, comprehensively considering the physical importance index and the information importance index to obtain a comprehensive importance index, and sorting to obtain a sorted service flow set; quantizing the real-time performance and reliability of a routing link, and generating a routing distance matrix; inputting the sorted service traffic set and the routing distance matrix into a routing scheduling optimization model, and generating a routing scheduling scheme of the overall service traffic based on the service traffic importance and routing path performance matching principle; according to the method, the physical traffic importance index and the information importance index are comprehensively considered, the comprehensive importance index is obtained, and the problem that service traffic evaluation is not comprehensive in an information physical coupling scene is solved.

An antenna plate and an antenna device thereof comprise a substrate, and a first radiation part and a second radiation part which are arranged on the upper surface of the substrate, are used for receiving and transmitting two different frequency band signals, and are characterized in that the first radiation part comprises a first branch and a feeding point; the first radiation part is provided with a ground feeding point, and a first branch and a third branch which extend along different directions, the second radiation part is provided with a ground feeding point, and a second branch and a third branch which extend along different directions, the first radiation part and the second radiation part are connected into a whole through a fourth branch, the antenna plate is mounted to a frame body, and a first gap is formed between the second branch and the first side edge of the substrate. In combination with resonance generated by the frame body, the second branch transmits and receives frequency band signals different from those of the first branch and the third branch, so that the antenna board can transmit and receive three different frequency band signals at the same time, and the application range of the antenna board is expanded.

The invention relates to a cross-network exchange service flow strategy control method, which comprises the following steps of: S1, constructing a strategy controller and limiting identities of two communication parties; s2, the strategy controller maintains a resource pool based on analysis and prediction; s3, after the transmitting end initiates the transmission service actively, the strategy controller dynamically adjusts the flow control strategy; s4, the cross-network switching processing system processes the transmission service according to a strategy; wherein the strategy controller comprises a strategy management module, a name address directory module, a behavior analysis module and a resource management module. According to the invention, through design oriented to future IPv6, transmission services of corresponding levels are provided for users, services and applications, and the problem of flow control strategies in cross-network transmission is solved.

The invention relates to an ultrasonic probe and an ultrasonic imaging apparatus. An ultrasonic probe, the ultrasonic probe comprising: a piezoelectric layer; the backing layer and the piezoelectric layer are arranged in a stacked mode; the flexible circuit board is used for being connected with a connector, the flexible circuit board comprises a main body part and an extension part, and the main body part is at least partially located between the piezoelectric layer and the backing layer and electrically connected with the piezoelectric layer; the extension part extends from the main body part to the side, away from the piezoelectric layer, of the backing layer along the outer wall of the backing layer, and is in a multi-layer stacking shape on the side, away from the piezoelectric layer, of the backing layer. The ultrasonic probe and the ultrasonic imaging equipment can meet the signal transmission requirement when the number of channels is larger.

The invention discloses a marine ecological environment automatic monitoring data transmission method and a marine ecological environment automatic monitoring data transmission system, and relates to the technical field of marine ecological environment monitoring, and the marine ecological environment automatic monitoring data transmission method comprises the following steps: S1, receiving a transmission request, and constructing a transmission strategy according to the transmission request; s2, receiving automatic monitoring data according to a data uploading strategy in the transmission strategy; and S3, processing the automatic monitoring data according to a data transceiving strategy in the transmission strategy to obtain transmission data, and transmitting the transmission data. According to the method and the device, the transmission strategy can be quickly constructed, the automatic monitoring data of different monitoring items and / or different types of equipment can be ensured to meet respective transmission requirements, and resource waste caused by repeated compilation can be reduced.

The embodiment of the invention provides a fuzzy test method based on coverage rate for trusted firmware, and the method comprises the steps: carrying out the variation of functions and parameters based on code coverage information during the variation of a seed, and guiding the generation of a test case through the coverage rate. The situation that the same function or the same segment of code of the BL31 firmware is repeatedly tested due to the fact that the generated test cases are the same is avoided, and on the basis that comprehensive testing of the BL31 firmware is guaranteed, the testing efficiency can be improved.

The embodiment of the invention discloses a network transmission method and device, equipment, a medium and a product, and the method comprises the steps: obtaining transmission strategy information in a network idle state, the transmission strategy information comprising a corresponding relation between a transmission strategy and a data transmission rate, and at least one piece of terminal attribute information; if it is detected that the current network where the terminal is located is in a non-idle state, obtaining current attribute information of the terminal; determining a target data transmission rate corresponding to the current attribute information according to at least one piece of terminal attribute information in the current attribute information and the transmission strategy information; and determining a sending strategy of the terminal in the non-idle state according to the target data transmission rate and the corresponding relationship, and performing network transmission according to the sending strategy of the terminal in the non-idle state. According to the technical scheme provided by the embodiment of the invention, the time consumed by a learning process in a network transmission process can be avoided, so that the network transmission efficiency is improved.

The invention discloses an FPGA (Field Programmable Gate Array) interface logic resource multiplexing structure and a phased-array antenna beam forming system. The FPGA interface logic resource multiplexing structure comprises a transmitting end module and a receiving end module, the sending end module is used for firstly sending a verification sequence to the receiving end module, calibrating a receiving end, and sending user data to the receiving end module after calibration is completed; the calibration sequence and the user data are multi-bit wide data and are converted into high-speed serial data to be output; and the receiving end module is used for receiving the calibration sequence and the high-speed serial data, performing calibration according to the calibration sequence, and converting the high-speed serial data into low-speed parallel data to be output after the calibration is completed. By utilizing the scheme of the invention, the interface logic resource multiplexing can be flexibly and efficiently realized.

The invention provides a steel mill production data management method and system, and relates to the technical field of data management. The system comprises a data receiving module, a data preprocessing module, a data analysis module, a data storage module, a data transmission management module and a model training module. According to the method, possible problems and trends in the production process are predicted, so that a decision maker can make a more accurate decision based on a data analysis result, guarantee is provided for the safety and integrity of data, the requirements of steel mill production management and decision are met, the transmission requirements of steel mill production data in different scenes are met, and the production efficiency is improved. And the reliability of data transmission is improved.

The invention discloses a heterogeneous photonic crystal fiber for visible light and near-infrared bands, and relates to the technical field of optical fiber communication. The optical fiber comprises an outer cladding layer, a left middle layer, a right middle layer, a left fiber core area and a right fiber core area, wherein a first air hole matrix is arranged in the outer cladding layer. According to the invention, the working bandwidth of the single photonic crystal fiber is expanded, the optimal working bandwidth range of the right fiber core area working at a short wavelength covers a complete visible light wave band, the transmission requirement of the optical fiber for a high-energy wave band can be met, and the transmission requirement of the optical fiber for a left fiber core area working at a long wavelength can be met. The optimal working bandwidth covers the near-infrared band and comprises 1.55 [mu] m wavelength which is most commonly used in communication related services, and the working bandwidth can well meet the requirements of communication services, transmission of near-infrared band optical signals safe to human eyes and research requirements of near-infrared band nonlinear optics.

The present invention discloses an information transmission method, device, terminal and storage medium. The method comprises: generating carrier scheduling suggestion information; sending the generated carrier scheduling suggestion information to a network device; the carrier scheduling suggestion information is used by the network device to make scheduling decisions on carriers carrying uplink transmission.

The application provides a kind of isolated virtual communication software bus implementation method based on hardware isolation, belongs to the field of virtualization technology, including isolated virtual communication software bus running on privilege layer jailhouse, isolated virtual communication software bus service module is run on the operating system corresponding to each system domain isolated by hardware, communication is realized between each system domain through isolated shared memory.The application improves the flexibility, security and versatility of communication between hardware isolated systems, and simultaneously realizes the decoupling and communication function reuse of communication between isolated systems.

The present invention discloses a method and system for active distribution network routing scheduling and dynamic selection driven by business demand, and belongs to the field of active distribution network control technology. It includes evaluating the physical importance index and information importance index of each business flow according to the physical impact and information demand of each business flow, and comprehensively considering to obtain the comprehensive importance index, sorting to obtain the sorted business flow set; quantifying the real-time performance and reliability of the routing link, and generating a routing distance matrix; inputting the sorted business flow set and the routing distance matrix into the routing scheduling optimization model, and generating the routing scheduling scheme of the overall business flow based on the principle of matching the business flow importance and routing path performance; the present invention comprehensively considers the physical flow importance index and the information importance index to obtain the comprehensive importance index, which solves the problem of incomplete business flow evaluation in the information-physical coupling scenario.

The present invention discloses a multi-needle bar driven embroidery machine head and an embroidery machine, belonging to the technical field of embroidery machines. The embroidery machine head comprises a housing, a needle bar driving shaft, a guide rod, a needle bar driver, a needle bar cam and a connecting rod structure. The guide rod and the needle bar driver are both provided with 2N numbers at intervals in the horizontal direction, N is a positive integer and a multiple of 2, and the connecting rod structure is provided with N sets in parallel in the horizontal direction, and each set of connecting rod structures is used to drive two corresponding needle bar drivers. Each set of connecting rod structures drives two needle bar drivers, and the connecting rod structures on the same head are arranged side by side in the horizontal direction. The corresponding relationship between the connecting rod structure and the needle bar driver is reasonably set, and the number of connecting rod structures is appropriately controlled while satisfying the driving requirements of the multi-needle bar drivers, reducing the installation space required for the connecting rod structure, which is conducive to reasonably simplifying the internal structure of the head, reserving sufficient installation space for other components of the head, so that the head can meet the structural requirements of the multi-needle bar drive.

The invention discloses a wired operable display system of an instrument, and belongs to the technical field of wired data acquisition and transmission. The system comprises a power supply used for supplying power to the system; the instrument end is used for measuring various parameters of an instrument, converting the parameters into I2C bus signals, buffering and driving the I2C bus signals and then sending the I2C bus signals to the display end; the shielding wire is used as a transmission wire of an I2C bus signal and a power supply between the instrument end and the display end; and the display end is used for receiving the I2C bus signal, converting the I2C bus signal into a digital signal and displaying the digital signal through a display screen. The system has higher use convenience and reliability.

The motor centrifugal switch comprises a positioning base and a positioning sleeve, a contact bracket body is fixedly connected between the two ends of the positioning base, a movable contact is fixedly connected to the middle of the contact bracket body, and fixed contacts matched with the movable contact are fixedly connected to the top and the bottom of the end, close to the movable contact, of the inner side of the positioning base. The outer side of the positioning sleeve is fixedly connected with linear sliding strips, the outer sides of the linear sliding strips at the same end are slidably connected with pressing plates, centrifugal assemblies are arranged at the two ends of the top of the positioning sleeve, and reset assemblies are arranged on the two sides of the top of the positioning sleeve and used for supporting the positions of the centrifugal assemblies. The centrifugal assembly comprises a central shaft rod, a centrifugal plate, a balancing weight, a through groove A, a linkage plate, a guide plate and a supporting shaft rod. Through overall structural cooperation, the connecting stability of all the components can be guaranteed, meanwhile, the components can be conveniently disassembled and assembled, and later maintenance is facilitated.

The utility model discloses a kind of multi-contact mechanism connector of screw interface, comprising: pin connector assembly and jack connector assembly;The pin connector assembly is inserted with jack connector assembly and is sealed under the action of connecting ring and sealing structure.The utility model is through the layout of multiple pin jacks, while meeting the demand of multi-line transmission, effectively reduce the volume of connector, reduce the complexity and occupied space of equipment connection.

This invention discloses an image sampling method for image super-resolution, relating to the field of image super-resolution reconstruction. It aims to solve the problems of low reconstruction detail and unsuitability for decoding in existing technologies. The technical solution involves lossless spatial downsampling through a BRB module combined with a pixel deshuffling operator, and quantizing the original image pixel information using a quantization operator. During reconstruction, the decoder decodes the quantized pixel information to obtain the complete pixel details of the original image, thereby continuously recovering lost high-frequency details during upsampling and achieving highly accurate super-resolution reconstruction.

The application provides a data transmission aid and relates to the field of data transmission.The data transmission aid comprises a data aid transmitter, a power line and a device power supply interface, one side of the data aid transmitter is provided with two USB interfaces and three network interfaces, and the other side of the data aid transmitter is provided with three male serial ports and three female serial ports.The data transmission aid realizes the functions of a serial port distributor, a serial port server, software distribution, data characteristic display, data mutual transmission between different interfaces and the like through the cooperation of internal hardware of the data aid transmitter and internal software of a display screen, so that the data aid transmitter and the display screen are provided with several most commonly used and most general data transmission interfaces, the special-shaped interface and the shell of the different models of the backup interface can be installed and dismounted in the installation slot at any time, the use needs of the data aid transmitter for some backup interface shells which are not commonly used can be ensured, and the application range is ensured.

The utility model discloses an eight-core coaxial shielding cable, comprising eight coaxial signal lines, a USB2.0 signal line group, a control line group and two power lines, each coaxial signal line is composed of a central conductor, the central conductor is coated with an inner insulating layer, the inner insulating layer is coated with an inner shielding layer, the inner shielding layer is coated with an outer shielding layer, and the outer shielding layer is coated with an outer shielding layer. An outer shielding layer is coated on the inner insulating layer, an outer insulating layer is coated on the outer shielding layer, the inner insulating layer is made of polypropylene, the inner shielding layer is made of conductive TPE, and the eight coaxial signal lines, the USB2.0 signal line group, the control line group and the two power lines are coated in an outer sleeve. Compared with the prior art, the cable provided by the utility model can meet the USB 4.0 transmission requirement, is low in manufacturing cost and light in weight, and can be quickly processed.

The present application discloses a method and apparatus used in a node for wireless communication. The first node receives a first signal to determine the quality of a first channel; determines a first speed; determines whether a first time-frequency resource block is included in a first resource pool; selects a target time-frequency resource block from the first resource pool; sends a second signal in the target time-frequency resource block; wherein the first speed is the moving speed of the first node; the first resource pool includes multiple time-frequency resource blocks, and whether the first resource pool includes the first time-frequency resource block is related to the first speed. The present application considers the user's moving speed in the process of resource perception, thereby ensuring that the channel quality of the autonomously selected resources meets the current transmission requirements.

The application discloses a data transmission method and a display device. The method comprises the following steps: outputting a differential dimming signal and a differential clock signal through a display controller, wherein the differential dimming signal is used for carrying dimming data corresponding to a frame of image; receiving the differential dimming signal and the differential clock signal through a dimming controller, and generating target dimming data for backlight control based on the differential dimming signal and the differential clock signal. The dimming data and the clock signal are transmitted in the form of differential signals, so that the data transmission rate can be effectively improved, the layout wiring in the panel can be simplified, the product cost can be optimized, and in addition, the transmission mode of the differential signal can effectively reduce the electromagnetic interference problem and improve the display performance of the equipment.

The application provides a display panel and an electronic device. The display panel comprises a substrate, a plurality of first pins, a plurality of second pins and a plurality of connecting lines. The plurality of first pins are arranged on a first side of the substrate, and the plurality of first pins are arranged side by side. The first pins are used for connecting a flexible circuit board. The plurality of second pins are arranged on the first side of the substrate, and the plurality of second pins are arranged side by side. The second pins are used for connecting a driving chip. The plurality of connecting lines are arranged on the first side of the substrate. One end of the connecting line is electrically connected with the first pin, and the other end is electrically connected with the second pin. The plurality of first pins comprise a first target pin and a second target pin. The area of the first target pin is larger than that of the second target pin. The design of the application can ensure stable transmission of signals.

The invention discloses a VPN (Virtual Private Network) communication method and device and a computer readable storage medium, relates to the technical field of communication, and can meet the transmission requirements of different types of VPNs of terminal equipment so as to improve the VPN use experience of a user. The method comprises the steps that under the condition that a target application is started, a first mapping relation is acquired, and the first mapping relation indicates a mapping relation between an application using a virtual private network (VPN) in at least one application of terminal equipment and a VPN type; under the condition that the first mapping relationship indicates that the target VPN type corresponding to the target application exists, starting a target VPN tunnel corresponding to the target VPN type; and controlling the target application to communicate by using the target VPN tunnel.

The utility model relates to a radio frequency module. The radio frequency module provided by the embodiment of the utility model comprises a radio frequency switch circuit, two paths of uplink paths and two paths of downlink paths, the radio frequency switch circuit is configured to select one path from the two paths of uplink paths and the two paths of downlink paths for conduction so as to send signals through the uplink paths or receive signals through the downlink paths; the radio frequency switch circuit comprises a switch stack series-parallel structure; under the condition that the switch stack series-parallel structure comprises the switch stacks connected in series, the order number of the switch stacks connected in series is larger than the order number of other switch stacks. According to the embodiment of the invention, the isolation and linearity of the radio frequency module can be remarkably improved, and the insertion loss is reduced while the power capacity is improved.

The application relates to the technical field of photoelectric devices, in particular to an RC-Micro LED device and a preparation method thereof, which comprises, from bottom to top, a second substrate, a metal conductive support layer, a metal electrode layer, a first mirror layer, a transparent conductive layer, a gallium nitride epitaxial layer and a second mirror layer; the gallium nitride epitaxial layer is in a convex mesa structure, an insulating layer is covered on the sidewall of the convex mesa structure; the first mirror layer and the second mirror layer are oppositely arranged to form a Fabry-Perot resonant cavity structure. The RC-Micro LED device can meet the transmission requirement of high-speed short-distance optical interconnection.

The utility model discloses a double-section sliding type compact universal joint. The universal joint mainly solves the problems that only a retainer of an existing conventional universal joint can slide relative to a shell, and the overall sliding amount is small. The retainer is axially and movably arranged in the shell, a plurality of pockets are formed in the circumferential direction of the retainer, rolling pieces are arranged in the pockets, and the rolling pieces make contact with the inner wall of the shell; the starlike sleeve is arranged in the retainer and can move in the axial direction relative to the retainer; a roller path matched with the rolling ball is arranged on the starlike sleeve, and a mounting groove connected with a transmission shaft is axially formed in the starlike sleeve; and at least part of the check ring is arranged in the retainer and used for limiting the stroke of the starlike sleeve and / or the transmission shaft in the axial direction. The utility model provides a double-section sliding type compact universal joint which can achieve a larger sliding range, meet transmission requirements under different vehicle conditions, have high adaptability and flexibility and provide a better and more concise design scheme for different structures of vehicles.

The invention discloses a mobile communication mode switching method and device, electronic equipment and a storage medium, and relates to the technical field of mode switching, and the method comprises the steps: determining the data size and the data type of transmission data in terminal equipment, monitoring the performance condition of the terminal equipment and each mobile communication mode which can be switched by the terminal equipment, and switching the mobile communication modes. Acquiring a technical index of each mobile communication mode in the mobile communication modes; setting a data volume threshold value of each mobile communication mode based on the data type and the performance condition, and comparing the data volume with each data volume threshold value to determine a target data volume threshold value in each data volume threshold value; and determining a target mobile communication mode based on the candidate target mobile communication mode corresponding to the target data volume threshold and each technical index, so as to switch the mobile communication mode of the terminal equipment according to the target mobile communication mode. The effect of dynamically switching the own mobile communication mode through the terminal equipment is realized.

The invention discloses a multi-mode network protocol processing end system and method. The system comprises a host and a multi-mode network intelligent network card installed on the host. The method comprises a network modal data message sending process, a network modal data message receiving process and a network modal program management process. According to the method and the device, the capability of network mode protocol message format adaptation is provided for the end system, so that different network modes can adopt different network message formats and protocol processing logics, and different network service transmission requirements are met; the method supports intelligent selection of a form suitable for service application to realize packaging and transmission of a network mode; the capability of processing the self-defined network mode message by the end side is improved, and a network mode processing function is unloaded to the intelligent network card; newly adding, unloading and querying of network modes are supported, and support of an end side for a multi-mode network is enhanced.

The utility model provides a battery connector combination which comprises a first battery connector and a second battery connector which are connected in an inserted mode, the first battery connector is used for being installed on an external circuit board and provided with a first insulation body and a plurality of first terminals, and the second battery connector is used for being installed on the external circuit board and provided with a second insulation body and a plurality of second terminals. The first battery connector is provided with a first insulating body and a plurality of first terminals, the second battery connector is provided with a second insulating body and a plurality of second terminals, the middle part of the first insulating body is sunken to form a butt joint cavity which is opened upwards, the first terminals are arranged along the lengthwise direction, and the second battery connector is inserted with the first battery connector along the vertical direction. The second insulation body is provided with a butt joint protruding part inserted into the butt joint cavity, the two sides of the second terminal in the width direction are clamped by the first terminal, and the width direction is perpendicular to the lengthwise direction. The battery connector combination provided by the utility model can transmit large current and can effectively reduce the size in the lengthwise direction.