84results about How to "Optimize the transmission path" patented technology

A method for implementing multicast in a Virtual Router-based Virtual Private Network (VR-VPN), including: establishing a local multicast tree in each VPN site and a Service Provider (SP) multicast tree connecting each VPN site; setting a Proxy Source / Rendezvous Point (RP) for a multicast source on each VR; the multicast source transmitting multicast data to the Proxy Source / RP on an ingress VR, the Proxy Source / RP forwarding the multicast data to a local receiver along the local multicast tree, and transmitting the multicast data to an egress VR along the SP multicast tree after encapsulating the multicast data; the egress VR de-encapsulating the multicast data and discarding the multicast data or forwarding the multicast data to the local site according to local state. The present invention may improve the transmission efficiency, and reduces multicast on backbone routers, thereby improving the scalability of the network.

The invention provides a lanthanide rare-earth ion-based CsPbBr3-doped all-inorganic perovskite solar cell and preparation method and application thereof. The preparation method comprises the steps ofmixing lanthanide rare-earth ions into a CsPbBr3 precursor solution, spinning a surface of a titanium dioxide transmission layer by a multi-step spinning technology to prepare a uniform and compact inorganic perovskite thin film, and finally, depositing a layer of carbon back electrode on a surface of the perovskite thin film to assemble the lanthanide rare-earth ion-based CsPbBr3-doped all-inorganic perovskite solar cell. By doping the lanthanide rare-earth ions, the transmission path of photo-generated carriers in a cell device is optimized, the electron lifetime is prolonged, and the photoelectric conversion efficiency and the stability of the cell are improved; and meanwhile, the preparation method has the characteristics of simplicity, no hole transmission layer, low cost, large rare-earth element combination space and the like and is an effective mode of improving the performance of the all-inorganic perovskite solar cell and reducing the fabrication cost.

The invention provides an optimizer and an optimizing method and system for an online game. The acceleration method for the online game includes the steps that an online game list is obtained and displayed; the online game to be started is determined according to selection operation, on the online game list, of a user; game data corresponding to the online game are sent to an online game acceleration server, and the transmission state of the game data is obtained; an online game acceleration option matched with the transmission state is provided on an interface according to the transmission state. By the utilization of the technical scheme, the online game list is automatically provided for the user, after user selection is received, data transmission acceleration and game operation are automatically performed, the user does not need to perform any configuration in the process of game acceleration, and the process of online game starting acceleration is achieved through one-off operation.

The embodiment of the invention discloses a transmission optimization method of an AP network, a first access point receives a call message sent to a second user by a first user; the first access point acquires the communication address of a second access point belonging to the second user; and the first access point establishes a direct-connecting transmission tunnel between the first access point and the second access point to enable the first user to communicate with the second user by the direct-connecting tunnel. In the embodiment of the invention, the transmission path of the AP network can be optimized, the transmission delay is improved, the bandwidth bottleneck of a core network is eliminated and meanwhile, the cost of the core network is lowered.

The invention discloses an in-situ nitrogen-doped carbon coated lithium titanate composite material. The in-situ nitrogen-doped carbon coated lithium titanate composite material is a composite material composed of a lithium titanate inner core and a nitrogen-doped carbon substance covering the surface of the lithium titanate inner core. The invention further discloses a method for preparing a lithium battery negative electrode material. The process disclosed by the invention is simple and easy to operate, and reaction conditions are moderate; a carbon coated layer of the prepared composite material is uniform, and the thickness is controllable; and the material has excellent circulating stability and rate performance when being used for the lithium ion battery negative electrode material.

The invention discloses a method and device for testing digital array module transmitting channel phase congruency. The method includes the following steps that a state control module based on an FPGA is established; on the rising edge of a clock signal, the state control module controls the operating state of a digital array module through an optical module, meanwhile the state control module is made to output a pulse signal which is synchronous with the operating state of the digital array module, and the synchronous relation between the digital array module and a pulse vector network analyzer is established with the synchronous signals as the link; under switching of a switching network, a plurality of transmitting signals are simultaneously input into a receiver channel of the pulse vector network analyzer, and transmitting channel phase congruency indexes are obtained through normalization computing and phase difference computing. According to the method, digital array module transmitting channel phase congruency testing is achieved through establishment of a synchronization mechanism and introduction of multi-channel coherence tests; meanwhile, the transmission path of transmitting signals is optimized, insertion losses of the channel are reduced, and impedance matching is improved.

The invention discloses a network quality analysis method based on SDN and a SDN system. The analysis method comprises the following steps: a SDN controller receiving a user message sent by a SDN switch, acquiring a protocol type in the user message; the SDN controller notifying the SDN switch to test according to the protocol type; the SDN switch measuring the network quality information in the message forwarding process, and reporting to the SDN controller to finish the testing. The network service quality analysis information of the message is acquired, thereby preferably providing the network service.

The invention belongs to the field of solar cells, which discloses a solar cell. The solar cell has the following structure: a conducting layer performing the action of electrodes, a substrate, a nanometer column array formed by a semiconductor compound material, an optical activity material filling material, and a transparent conducting electrode layer and a protective electrode. The invention also discloses a preparation method of the solar cell. The solar cell provided by the invention is characterized in that the short circuit current of the solar cell is increased because of the semiconductor nanometer column array so as to improve the photoelectric conversion efficiency. Meanwhile, because the nanometer column array is filled with an organic active material, the periodic structure forms a photonic crystal structure, sunlight which is too late to be absorbed by the photoactive organic material can be irradiated again on the organic material by the reflecting action of the photonic crystal structure, and adsorption on the sunlight by the organic material is enhanced so as to improve the photoelectric conversion efficiency thereof.

The invention provides a bypass blocking method, device, system, and electronic device. The bypass blocking method comprises the steps that a bypass blocking device receives a mirror image report of predetermined message from a distributing device, wherein the distributing device is used for distributing the downstream data of an Internet service provider (ISP network); the bypass blocking devicedetermines whether blocking is required or not based on the mirror image report of the predetermined message, and generates a blocking report having the same destination address as the predetermined message, and sends the blocking report to a plurality of core routers. The invention is advantageous in that the disposition difficulty and cost of bypass blocking can be reduced, and the time-delay demand of the bypass blocking can be guaranteed to a certain degree.

The invention relates to a medical dragging type vertical sorting machine with a horizontal transporting function. The medical dragging type vertical sorting machine comprises a sorting machine body provided with a lift car; and the medical dragging type vertical sorting machine is characterized in that an internal horizontal transporting device is arranged in the lift car, and external horizontal transporting devices are arranged at the positions, corresponding to the internal horizontal transporting device, of an outlet and an inlet of the lift car. In this way, the transportation demand of materials formed by multiple medical objects such as boxes, medicine chests and bagged medicines in all floors in the vertical direction and the horizontal direction can be met. Meanwhile, full-process automation and rapid transportation can be achieved, and manpower-free carrying is achieved to the maximum degree. More importantly, a dragging drive type lifter is adopted, and the characteristics of being low in energy consumption, high in speed, stable in running, low in noise and free of limitation in lifting height as for human buildings are achieved; and in addition, control is achieved in cooperation with a code scanning manner, the transmission route is optimized, and the transportation time is further saved. As the better using effect is achieved, so that the medical dragging type vertical sorting machine can be applied to the medical field and can also be applied to other logistics transportation fields.

The invention belongs to wireless communication technical field, and discloses a channel initialization method for a distributed cognitive radio network. The method is characterized in that: through monitoring idle channels, N channel machines capture a Beacon message sent by a root node, and a whole monitoring process is divided into a crude capture phase and a fine capture phase, wherein a preset root node plays a dominant role in whole channel initialization, and other nodes connect with a network through capturing the Beacon message and according to a message in a notification; after connecting with the network, a common node sends an Info message to a superior node to report locally perceptive available channel information, step by step the information is gathered at the root node, thus the root node can calculate available idle channels in the whole network, and a problem of an initial networking difficulty caused by inconsistence of available channels of each node is effectively solved. According to a mechanism of periodically broadcasting Beacon messages, a network access problem of a delayed network node is effectively solved.

The invention discloses a data frame sending method and access equipment. The data frame sending method and the access equipment are applied to a network with a deployed M-LAG on a convergence layer, a sub LAG is defined on the access equipment, and the sub LAG only contains a physical link between the access equipment and one convergence equipment, wherein a firewall connected with the convergence equipment is in a working state; the north-south traffic arriving at the access equipment is forwarded to the convergence equipment only through the physical link contained in the LAG, thereby optimizing a transmission path of the south-north traffic, guaranteeing that the north-south traffic accessing the external network cannot pass through the peer-link between the convergence equipment, and reducing the bandwidth pressure of the peer-link.

The invention relates to a molybdenum sulfide / nickel oxide composite material and a preparation method and application thereof. The structure of the composite material is that a nickel oxide nanosheet grows on a molybdenum sulfide nanosheet. The preparation method comprises the steps of dispersing the molybdenum sulfide nanosheet into a polar solvent and carrying out ultrasonic treatment to obtain a molybdenum sulfide nanosheet dispersion liquid; dissolving a nickel salt into the molybdenum sulfide nanosheet dispersion liquid, carrying out ultrasonic treatment to obtain a mixed liquid, adding a complexing agent, reacting at 80-100 DEG C for 6-24 hours and washing and drying the product to obtain a molybdenum sulfide / nickel hydroxide composite material; and carrying out thermal treatment to obtain the molybdenum sulfide / nickel oxide composite material. The preparation process is simple and easy to operate, the reaction temperature is low, the security coefficient is high, and the prepared molybdenum sulfide / nickel oxide composite material can be used as an excellent electrode material for new energy devices of a high-performance super-capacitor, a lithium battery and the like.

The invention relates to the technical field of lithium ion battery negative electrode materials, and discloses a phosphorus-doped lithium-vanadate lithium ion battery negative electrode material. Thematerial comprises the following formula raw materials: activated porous carbon, Li<3>V<0.85-0.95>P<0.05-0.15>O<4>, and an adhesive. According to the negative electrode material, the Li<3>V<0.85-0.95>P<0.05-0.15>O<4> is obtained through the P-doped Li<3>VO<4>, so the conductivity of the Li<3>V<0.85-0.95>P<0.05-0.15>O<4> is enhanced, and the diffusion and migration of metal ions and charges between the electrode material and the electrolyte are promoted; therefore, the voltage polarization in the charging and discharging process of the battery is reduced, the specific capacitance and the electrochemical reversible capacity of the battery are improved, and the electrochemical performance of the battery is enhanced. Moreover, through P-doped Li<3>VO<4>, the bond length of a Li-O bond is reduced, the key energy is increased, the Li<3>V<0.85-0.95>P<0.05-0.15>O<4> is promoted to form a cubic octahedral conical structure with a stable structure, and the phenomenon that the crystal structureof Li<3>V<0.85-0.95>P<0.05-0.15>O<4> is lost due to micro strain in the lithium intercalation and deintercalation processes is avoided, so the rate capability and the electrochemical cycling stabilityof the positive electrode material are enhanced.

This invention relates to mobile host machine group business system and its method, which has each host machine relative to one dynamic broadcast agent and the said agent needs mobile host process through path to realize switch, wherein, if the host dynamic agent switched to the current sub-net MSA to be directly added into set to optimize the transmission path. This invention can reduce host mobile complex restriction and avoid agent DMA and outside MSA forming channel to optimize set transmission path.

The invention discloses a biodegradable polymer composite with high thermal conductivity. The biodegradable polymer composite comprises heat-conducting nanofiller and a biodegradable polymer with a shape memory characteristic, wherein the heat-conducting nanofiller is arranged in the biodegradable polymer in order. The heat-conducting nanofiller without chemical modification is mixed with the biodegradable polymer, by use of the shape memory characteristic of the polymer, the heat-conducting nanofiller is arranged in order by stretch induced self-assembly, meanwhile, the heat-conducting nanofiller arranged in order is used as a physical crosslinking site to maintain the orientation state of the material, after the obtained material is heated secondarily, the filler still keeps high orientation, a constructed orientated structure facilitates lap joint of an ordered filler network with a small quantity of heat-conducting nanofiller, so that the production cost is reduced, the material density is reduced, the strength and ductility of the material are enhanced, and the thermal conductivity of the material is improved.

The invention relates to the technical field of a lithium ion battery, and provides a preparation method of a flexible thin film lithium ion pole plate. The preparation method comprises the steps of S1, preparing a carbon nanotube solution in advance, and simultaneously preparing a nanometer fiber solution in an alkali solution; S2, placing an active substance into a carbon nanotube solution, andmaking the active substance and the carbon nanotube solution fully mixed to obtain a mixed solution; S3, placing the nanometer fiber solution into the mixed solution, and making the nanometer fiber solution and the mixed solution fully mixed to obtain mixed paste; and S4, injecting the mixed paste into a die, and placing the mixed paste in coagulating bath for processing to obtain the flexible thin film pole plate. The nanometer fiber is dissolved to a form of a molecule chain by employing a sodium hydroxide / urea system, and the flexible thin film pole plate with uniformly-distributed carbon nanotube tubes and active substance is prepared by a regeneration method after coagulating bath; and an excellent transmission path can be provided for electrons / ions by a structure in which each constituent in the electrode is continuously distributed, the contact impedance among the constituents is reduced, so that the electrochemical activity and the flexibility of the electrode are improved.

The invention discloses a photo-thermal evaporation and waste heat recovery integrated device based on a carbonized bamboo tube. The photo-thermal evaporation and waste heat recovery integrated devicecomprises an evaporation chamber and a condensation heat storage cavity, wherein the evaporation chamber surrounds the outside of the condensation heat storage cavity; a water supply tank is arrangedon the bottom of the evaporation chamber, a photo-thermal evaporation body is arranged in the evaporation chamber, the photo-thermal evaporation body is the carbonized bamboo tube and comprises a carbonized bamboo wall and carbonized bamboo joints, the carbonized bamboo joints are arranged on the top of the carbonized bamboo wall, the carbonized bamboo wall is partially inserted into the water supply tank, and the carbonized bamboo joints cover the upper portion of the condensation heat storage cavity; and the photo-thermal evaporation and waste heat recovery integrated device further comprises a light-transmitting plate located above the evaporation chamber and the condensation heat storage cavity. The photo-thermal evaporation and waste heat recovery integrated device solves the problems that steam and condensed water block incident light, steam waste heat is lost in the environment and condensed water is difficult to collect, and has the characteristics of being simple in structureand easy to operate; long-acting stability of a system and high-efficiency utilization rate of solar energy are realized; and the photo-thermal evaporation and waste heat recovery integrated device can be finally used for sewage purification, seawater desalination and the like.

The present invention discloses solar cells without a main grid and a photovoltaic module. The shading area of the cells is reduced, the current transmission path is optimized, the short circuit current is improved, the serial resistance of the cells is reduced, the conversion efficiency of the cells is improved, and the product quality of the solar cell is improved to a large extent. The solar cells without the main grid comprise a substrate having a front surface and a back surface, a positive electrode formed at the front surface of the substrate, the positive electrode is formed by a plurality of fine grids at the front surface of the substrate, the solar cells also comprise multiple rows of welding strips configured to perform collection and transmission of the current collected by each fine grid, each row of the welding strips are connected with the front surface of the substrate through welding points arranged at the front surface of the substrate, and each fine grid is at least in mutual contact with one of the rows of the welding strips for conduction.

The invention provides a silicon carbide MOSFET device and a preparation method thereof, and relates to the field of semiconductor manufacturing. The preparation method comprises: over-etching SiC material on a partial surface at a P-well layer and an N+ source region; and etching a source contact window, and sputtering the source metal on the surface of the P-well layer and the N+ source region to form an ohmic contact. In the invention, by etching the surface of the P-well layer, the high-concentration P-well region can be directly in ohmic contact with the source metal, which optimizes thecurrent transmission path, and does not require high-dose P+ injection, reduces injection damage, and reduces preparation cost.

The invention belongs to the technical field of pulse power, and discloses a tandem high repetition frequency pulse generating device. The tandem high repetition frequency pulse generating device comprises one public transmission line, a plurality of middle tubes and a plurality of gas switches, wherein the public transmission line is a coaxial line, and a front port and a rear port are used as two output ends; the middle tubes are conductor round tubes with open two ends, and the plurality of middle tubes are orderly installed between an outer conductor and an inner conductor of the public transmission line at intervals, so as to form multistage double-tube pulse forming lines with the outer conductor and the inner conductor of the public transmission line; each double-tube pulse forming line includes one gas switch located at the middle part of the double-tube pulse forming line, and the working voltage of all gas switches is the same; and the multistage double-tube pulse forming lines work orderly from front to back at intervals. The high repetition frequency pulse generating device of the invention can generate two pulses whose repetition frequency can reach a ten thousand Hertz level, and can also generate one pulse string whose instantaneous repetition frequency can reach a megahertz level.

The invention provides a crystal array, a detector, medical detection equipment and a production method of the crystal array. The crystal array comprises multiple crystals arranged in an array, wherein each crystal is provided with a light-in face, a light-out face and a connecting face connected with the light-in face and the light-out face, the connecting face of at least one of every two adjacent crystals comprises a rough face and a smooth face connected with the rough face, and each rough face and the corresponding smooth face are arranged along the length direction of the corresponding crystal. According to the crystal array, the rough faces of the adjacent crystals can guarantee that air exists between the crystals, every two crystals are coupled through the air, the detection region of the crystal array is enlarged, and meanwhile it is guaranteed that a certain space exits between the smooth face of each crystal and the adjacent crystal; and through different crystal surface treatment, the transmission path of photons is improved, the crystals in a position spectrum are easy to distinguish, and the error ratio of position counting is effectively lowered.

The invention discloses an ultra-large interlayer spacing molybdenum disulfide / carbon composite material and a preparation method thereof. The ultra-large interlayer spacing molybdenum disulfide / carbon composite material is used for improving the efficiency of electro-catalytic hydrogen evolution. According to the method, the ultra-large interlayer spacing MoS2 / interlayer carbon composite materialis synthesized through a two-step hydrothermal reaction, and is carbonized through annealing treatment; MoS2 with ultra-large interlayer spacing is beneficial for transmission of charges and hydrogen; and carbon formed in situ has a very good effect on improvement of a two-dimensional semiconductor material. A technical thought in the invention is simple and clear; and the electro-catalytic hydrogen evolution performance of the composite material is remarkably improved. The invention discloses a technical idea for preparing ultra-large interlayer spacing MoS2 / C by a hydrothermal method.

A one-step method for preparing a hierarchical mesoporous-porous TiO2 / g-C3N4 nanofiber photocatalytic material comprises the following steps: sequentially adding N,N-dimethylformamide and glacial acetic acid into absolute ethyl alcohol, and uniformly stirring; adding urea, and completely dissolving; adding polyvinylpyrrolidone, and completely dissolving; adding tetrabutyl titanate, and completelydissolving; adding liquid paraffin, and stirring for 24 h or above; putting the obtained mixture into an injector, carrying out electrostatic spinning under a certain condition, and collecting the obtained spinning product by using a stainless steel disc; and drying the spinning product, and roasting the dried spinning product in a crucible with a cover in an air atmosphere at 550 DEG C for 4 h. The method is simple and rapid, low in cost, wide in spectral response range and low in broad-spectrum carrier recombination rate, the photo-induced electron-hole recombination rate is reduced througha one-dimensional structure, the light scattering effect is enhanced through a macroporous structure, the light capturing capacity is improved, and diffusion of reactant molecules is promoted. The mesoporous structure increases the specific surface area, and provides more active sites, so the product is applied to photocatalytic cracking of water to produce hydrogen.

The present disclosure relates to a communication technique that combines a 5G communication system for supporting a data rate that is higher than that of a beyond 4G system with IoT technology, and asystem thereof. The present disclosure may be applied to intelligent services on the basis of 5G communication technology and IoT related technology, such as smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety related services. A method by a mobility management (MM) function entity is provided. The method includes receiving a message including session information for a terminal in an idle mode, transmitting a paging message for the terminal based on the message, receiving a service request message for the terminal from a base station, transmitting an interface configuration request message including the session information to the base station based on the session information, receiving an interface configuration response message from the base station, and transmitting information for configuring an interface between a user plane gateway (UP GW) corresponding to the session information and the base station.

The invention relates to a preparation method of a novel lithium ion battery negative electrode material niobium-based oxide, which belongs to the technical field of lithium ion battery negative electrode materials. The preparation method comprises the following steps of firstly, preparing a precursor Cu2MaNb0.8-0.4aSe4 by adopting a solid phase method, putting the obtained material into an air dry oven for drying, then transferring the material into a ball milling tank, carrying out wet milling treatment in a ball mill, and after ball milling dispersion is completed, putting the ball milling tank into a drying oven for drying, placing the obtained powder in a tubular furnace, sintering under the protection of argon atmosphere, and cooling to room temperature along with the furnace to obtain a precursor, and transferring the obtained precursor material into a crucible, placing the crucible in a glass tube, and carrying out calcination treatment to obtain the porous sheet-shaped lithium ion battery negative electrode material.

The invention provides a method for sterilizing and disinfecting by using an Ag and N co-doped titanium dioxide / silver nitrate photocatalyst, which comprises the following steps: mixing solid silver nitrate powder with P25 titanium dioxide nano powder, uniformly grinding, and calcining to prepare Ag and N co-doped titanium dioxide; dissolving the co-doped titanium dioxide, silver nitrate, a dispersing agent and plant essential oil in deionized water, and completely performing ultrasonic dispersion to obtain the photocatalyst sterilization disinfectant. The spectral absorption range of titaniumdioxide is widened to a visible light region through Ag and N co-doping, the utilization efficiency of sunlight and the concentration of photon-generated carriers are improved, meanwhile, the preparation method has the advantages of being simple, low in cost, good in sterilization and disinfection effect and the like, and coronapneumonia viruses, influenza viruses, escherichia coli and the like of the human body can be effectively killed.

The invention relates to a high-performance proton ceramic fuel cell / electrolytic cell (PCFC / PCEC) reversible electrode material composition and a preparation method thereof, and belongs to the technical field of solid oxide reversible cells. The double-phase cathode material is synthesized in one step through a sol-gel method, and the electrode material has a double-phase structure composed of a cubic structure and a honeycomb-like hexahedron structure. Compared with a traditional solid oxide fuel cell air electrode, the dual-phase electrode has excellent proton conductivity and rapid hydration capacity on the premise of having oxygen ion and electron conductivity. Therefore, the electrode material has excellent electrochemical performance in both PCFC and PCEC modes.

The invention relates to the technical field of batteries, and discloses a sectional type interval coating pole piece and a naked battery cell. The sectional type interval coating pole piece comprises a current collector, material areas and empty foil areas are arranged on the front face and the back face of the current collector, the material areas are arranged at intervals in the length direction of the current collector, and the empty foil areas are arranged around the material areas. The interval length of every two adjacent material areas increases progressively according to an arithmetic progression. And the material area and the empty foil area are separated from each other to prevent material falling when the pole piece is folded. The invention further provides a naked battery cell, the naked battery cell comprises the pole pieces and the diaphragms which are coated at intervals in a sectional mode, and the positive pole pieces, the negative pole pieces and the diaphragms are stacked in a layered mode and then continuously wound in the same direction to form a naked battery cell body; the cross section of the bare cell main body is rectangular, and the rectangular bare cell overcomes the defect of the arc end of the bare cell in the prior art, ensures that the CB value of the bare cell does not deviate from the design value, ensures that the current densities at the two sides of the current collector are consistent, and prevents voltage instability caused by voltage polarization.

The invention provides a connector, a function board and a board-level architecture, the connector comprises an end protection sheet and lead frames, and each lead frame comprises a plurality of connection terminal groups and a shielding layer; each connecting terminal group comprises two connecting terminals used for transmitting signals, and each connecting terminal is provided with a first connecting end matched with a circuit board in an inserting manner; and the shielding layer is used for electromagnetically isolating the connecting terminal groups of the adjacent lead frames. The end protection sheet comprises a conductive structure located between the first connecting ends of the two connecting terminals in each connecting terminal group; the conductive structures are in conductive connection with the shielding layers of the corresponding connection terminal groups and are used for transmitting loop signals corresponding to the differential signals. According to the technical scheme, the transmission path of the loop signal corresponding to the differential signal transmitted by each connection terminal group is improved through the conductive structures on the end protection sheets, crosstalk between the loop signals of different connection terminal groups is reduced, and the communication effect of the connector is improved.