30results about How to "Meet the requirements of the transmission" patented technology

The invention discloses a construction method of long sleeper buried ballastless turnouts with large size of a passenger transport dedicated line, which comprises: constructing turnouts region base concrete, surveying and setting out of the construction, binding rail bed plate bottom reinforcement, installing a turnout translation trolley, hanging turnout rail sections and unloading, pushing the translation trolley in the position and connecting turnout, coarsely adjusting the turnout, installing a regulation stent and dissembling the translation trolley, binding rail bed plate reinforcement and installing a formwork, fine adjusting and positioning the turnout, pouring rail bed plate concrete, adjusting the formwork and dissembling the stent, welding the turnout steel rail and dispersing stress and closing treatments. The method of the invention has the advantages that the installed long sleeper buried ballastless steel rail panel of the passenger transportation dedicated line is stable and free from deformation; the rail concrete meets the requirements of China made rail circuit transmission; the rail is linear and is provided with high regularity and high accuracy of construction surveying and controlling; steel rail welding joint is of good quality and high regularity.

The invention discloses a non-contact transmission and positioning platform device and a control method thereof. The device comprises a transmission platform, a fixed platform and a base, wherein the fixed platform is arranged under the transmission platform, the base is arranged under the fixed platform, the fixed platform is connected with the base by a fixed platform support, a plurality of grooves are formed in the transmission platform, each groove is provided with an air inlet hole and an air outlet hole, the air inlet hole is connected with an air inlet hose, the air inlet hose is connected with a positive pressure gas source, the air outlet hole is connected with an air outlet hose, and the air outlet hose is connected with a negative pressure gas source. In the non-contact transmission and positioning platform device, air is in a horizontal flowing state in the grooves, thus, a workpiece can be driven to move to the greatest extent by means of an airflow viscosity force, a relatively high moving acceleration speed is acquired, complete non contact in a real sense can be achieved, static pollution is difficult to generate when airflow is in contact with a semiconductor workpiece, and concentrated stress at a position near to a contact point is difficult to cause.

The invention discloses a track positioning system and an information transmission coding method. The positioning system comprises an intelligent terminal, a cloud server and an information device. The information device comprises an NFC chip and a device shell, the NFC chip is embedded in the device shell, the NFC chip of the information device carries out solidification storage on the identity recognition information of a possessor according to the transfer memory coding mode, the intelligent terminal supports the NFC induction function, the intelligent terminal and the information device are in near field wireless communication, the intelligent device is an induction device, the information device is a passive device, and the intelligent terminal and the cloud server carry out both-way data transmission through the 3G wireless network. According to the information device, power supply can be achieved without additionally arranging a power source, and the inconvenience caused by charging or battery changing is avoided. The intelligent terminal does not need to be provided with any App, and track positioning is achieved by inducting the NFC chip.

The invention relates to an n-type organic semiconductor material based on a boron and nitrogen coordinate bond as well as a preparation method and application of the n-type organic semiconductor material, belongs to the technical field of n-type organic semiconductor materials, and solves the technical problems of lagged development, fewer types and quantities and low migration rate of the n-typeorganic semiconductor material compared with a p-type organic semiconductor material in the prior art. The chemical structural formula of the n-type organic semiconductor material is shown as a formula (I), a formula (II), a formula (III) or a formula (IV) as shown in the specification, wherein n and m respectively express integers between 0 to 20, and X is O or S. The organic semiconductor material has relatively low LUMO / HOMO energy level and electronic transmission capability within the range of -3.65 eV and -4.58 eV, and is suitable for being used for preparing an organic field effect transistor device with high migration rate as a charge transmission layer.

The invention discloses a construction method of long sleeper buried ballastless turnouts with large size of a passenger transport dedicated line, which comprises: constructing turnouts region base concrete, surveying and setting out of the construction, binding rail bed plate bottom reinforcement, installing a turnout translation trolley, hanging turnout rail sections and unloading, pushing the translation trolley in the position and connecting turnout, coarsely adjusting the turnout, installing a regulation stent and dissembling the translation trolley, binding rail bed plate reinforcement and installing a formwork, fine adjusting and positioning the turnout, pouring rail bed plate concrete, adjusting the formwork and dissembling the stent, welding the turnout steel rail and dispersing stress and closing treatments. The method of the invention has the advantages that the installed long sleeper buried ballastless steel rail panel of the passenger transportation dedicated line is stable and free from deformation; the rail concrete meets the requirements of China made rail circuit transmission; the rail is linear and is provided with high regularity and high accuracy of construction surveying and controlling; steel rail welding joint is of good quality and high regularity.

The invention relates to an information interaction method for an edge computing node, and the method comprises the steps that the edge computing node manages and transmits request information to a configured edge computing node, and the request information comprises address information, current state information and safety algorithm information; when the information interaction method of the edgecomputing node is used, the rapidity of data interaction between the node and the management node is realized, the data interaction speed is improved, the requirement of 5G data transmission is met,and the use effect is good.

The invention discloses an air flotation transportation device, which comprises a flat plate, on which several symmetrically distributed grooves are arranged, each groove is provided with longitudinal air inlet holes and air outlet holes in pairs, and the air inlet The hole and the air outlet are respectively connected with the compressed air inlet pipe and the compressed air exhaust pipe, and the compressed air inlet pipe and the compressed air exhaust pipe communicate with the positive pressure and negative pressure of the air source through the electromagnetic reversing valve. In the present invention, since the air is in a horizontal flow state in the groove, the viscous force of the air flow can be utilized to the greatest extent to drive the movement of the workpiece to obtain a larger motion acceleration, which solves the problem that the existing air flotation transportation device has a small driving ability and is easy to operate. The problem of disturbance caused by the workpiece can be avoided, and it can also reduce electrostatic pollution and stress concentration on the surface of the workpiece.

The invention discloses a multi-level resource dynamic allocation method in a VPN environment, and the method comprises the steps: obtaining a tenant level and a service type corresponding to the tenant level, and determining differential service code points based on the tenant level and the service type; carrying out transparent transmission on the differential service code points in a tunnel mode, and determining outer-layer differential service code points; and performing bandwidth allocation and flow control on the port of the IPSEC VPN based on the outer-layer differential service code points. According to the scheme, the requirement for network transmission in the VPN environment of a cloud data center is met, bandwidth allocation and flow control of IPSEC VPN at an entrance and an exit of the cloud data center are achieved through multi-level resource allocation and identification of the service flow and identification in a VPN network, the network resource utilization rate in the VPN environment of the cloud data center is increased, and the network transmission quality is improved.

A parallel type hydraulic retarder with a clutch device and a separation method thereof relate to a parallel type hydraulic retarder with a clutch device and a separation method thereof. The hydraulic retarder used for auxiliary braking produces a certain power loss, which increases the fuel consumption of the vehicle and reduces the economical operation of the vehicle. When the hydraulic retarder is not running under braking, there are residual residues in the working chamber. and a small amount of working medium that meets the requirements of the lubrication and cooling cycle, which increases the idling loss of the hydraulic retarder, and the idling loss will generate corresponding heat problems. It includes the brake shaft, the first control system, the sleeve gear clutch, Speed-increasing gear shaft, speed-increasing gear, friction clutch, friction clutch actuator, second control system, hydraulic retarder rotor, stator, hydraulic retarder control liquid filling mechanism, transmission output shaft, transmission gear, brake A moving shaft bearing, a gearbox output shaft bearing, a first control valve, a second control valve and a housing are invented for use in the field of heavy commercial vehicle braking.

The invention discloses an intelligent positioning system and an information coding method, the positioning method comprises an intelligent terminal, a cloud server and an information device, the information device comprises an NFC chip and a shell, the NFC chip is embedded in the shell, the NFC chip of the information device saves the identity recognition information of a possessor in a solidified way through a transfer memory coding method, the intelligent terminal supports an NFC induction function, the intelligent terminal is communicated with the information device in a wireless way through a near field, the intelligent terminal is an induction device, the information device is a passive device, a data two-way transmission is performed between the intelligent terminal and the cloud server through a 4G wireless network. According to the invention, the information device has no need to further add a power supply for supplying electricity, so that the inconvenience caused by charging or changing battery is avoided; the intelligent terminal has no need to install any APP, and the intelligent can realize tracking and positioning by inducting the NFC chip.

The invention discloses a non-contact transporting and positioning platform device and a control method. The device comprises a transporting platform, a fixing platform located below the transporting platform, and a base located below the fixing platform. The fixing platform is connected with the base through a fixing platform support. The transporting platform is provided with a plurality of grooves. Each groove is provided with an air inlet hole and an air outlet hole. Each air outlet hole is connected with an air inlet hose. Each air inlet hose is connected with a positive-pressure air source. Each air outlet hole is connected with an air outlet hose, and each air outlet hose is connected with a negative-pressure air source. According to the non-contact transporting and positioning platform device, due to the fact that air is in a horizontal flowing state in the grooves, the airflow viscosity force can be utilized to the maximum degree to drive a workpiece to move, the high motion acceleration is obtained, and complete non-contact can be truly achieved. When airflow makes contact with the semiconductor workpiece, static pollution is not likely to be generated, and stress concentration is not likely to be caused near a contact point.

The invention relates to an electric connector, which has an HDMI 2.1 specification, and comprises an insulating body, a plurality of terminals and a shell, the terminal is arranged on the insulation body, and the shell partially wraps the insulation body and the terminal. The terminals comprise ten terminals in the upper row of the column and nine terminals in the lower row of the column, and the ten terminals and the nine terminals are staggered in the arrangement direction. And the pins of the ten terminals are a first terminal Data < 2 + >, a third terminal Data < 2->, a fifth terminal Data Shield, a seventh terminal Data < 0 + >, a ninth terminal Data < 0->, an eleventh terminal Data < 3 > Shield, a thirteenth terminal CEC, a fifteenth terminal SCL, a seventeenth terminal DDC / CEC Ground and a nineteenth terminal Hot Plug Detec1 in sequence along the arrangement direction. The pin positions of the nine terminals are a second terminal Data2 Shield, a fourth terminal Data1 +, a sixth terminal Data1-, an eighth terminal Data0 Shield, a tenth terminal Data3 +, a twelfth terminal Data3-, a fourteenth terminal Utilization, a sixteenth terminal SDA and an eighteenth terminal + 5V Power in sequence in the arrangement direction.

The invention discloses an area protection partitioning algorithm giving consideration to communication constraint, and the algorithm faces the technical requirements of the area protection quick movement and reliability, gives consideration to the maximum jump number factors of substations and a main station, combines with the balance of the partitioned areas, and proposes an area protection mainstation selection model of a permutation and combination prioritizing method based on a Floyd shortest path algorithm. Furthermore, a substation dividing model is built according to the multifactor indexes affecting the communication time delay of area protection. In a dividing process of the substations, the algorithm gives consideration to the impact from an area protection communication network topological relation and length and bandwidth through combining with the technology of the graph theory, and achieves the reasonable distribution of the substations. N-1 channel faults in a rear preset region are caused for the partitioned area, and the impact from communication time delay in the communication tortuous process of the substations is analyzed, thereby achieving the further correction and supplement of the partitioning strategy. The algorithm effectively irons out the defects of a conventional method which needs a large amount of manual judgment operations and determination operations, achieves the partitioning area balance, and is smaller in communication time delay in a region.

The invention discloses a video transmission code rate self-adaption method and a video transmission code rate self-adaption device based on LTE (Long Term Evolution), and relates to the technical field of wireless video monitoring. The method comprises the steps of S1, acquiring the current bandwidth and current activated user information in a target cell; S2, determining the total number of video monitoring paths according to the current activated user information; and S3, calculating the optimal video transmission code rate according to the current bandwidth and the total number of video monitoring paths, and adjusting the video transmission code rate of each video monitoring device in the target cell according to the optimal video transmission code rate. According to the invention, the optimal video transmission rate is calculated so as to carry out adjustment on the video transmission code rate of each video monitoring device, thereby not only being capable of meeting requirements of video transmission, but also being capable of effectively utilizing the wireless network bandwidth. The method and the device disclosed by the invention are applicable to LTE based wireless video remote monitoring, and are particularly applicable to application scenarios such as subways, high-speed rails and the like where the real-time video transmission concurrence is great in fluctuation is great and the wireless channel bandwidth is high in variation.

The invention discloses a tracking and positioning system and an information transmission coding method. The positioning system includes an intelligent terminal, a cloud server, and an information device. The information device includes an NFC chip and a device housing. The NFC chip is embedded and installed in the device housing. The chip stores the identity information of the holder in accordance with the transfer storage coding method. The smart terminal supports the NFC sensing function, and the smart terminal and the information device communicate through near-field wireless communication. The smart terminal is a sensing device, and the information device is a passive device. Two-way data transmission is performed between the smart terminal and the cloud server through the 3G wireless network. The information device of the present invention does not require additional power supply, which avoids the inconvenience of charging or battery replacement; the intelligent terminal does not need to install any software, and realizes tracking and positioning by sensing the NFC chip.

The present invention discloses an outer-loop power control method comprising presetting the duration of the adjustment period and the target block error ratio (BLER)of outer-loop power control; calculating, on the real-time basis, the number of accumulated absolute error blocks of transmission data blocks during the current outer-loop power control adjustment period, and directly up-regulating the target value of signal to interference ratio (SIR Target) and ending the current outer-loop power control adjustment period and starting the next outer-loop power control adjustment period if the number of accumulated absolute error blocks is greater than the preset direct up-regulation threshold; calculating the BLER mean value within the outer-loop power control adjustment period when any outer-loop power control adjustment period reaches to the duration and adjusting SIR Target based on the BLER mean value and preset target BLER. SIR Target can be adjusted in time and the convergence speed thereof can be improved through the method disclosed in the invention.

The invention relates to an n-type organic semiconductor material based on a boron-nitrogen coordination bond, a preparation method and application thereof, and belongs to the technical field of n-type organic semiconductor materials. Compared with p-type organic semiconductor materials in the prior art, the technical problems of lagging development of n-type organic semiconductor materials, small number of types and low mobility are solved. The n-type organic semiconductor material of the present invention has a chemical structural formula represented by formula (I), formula (II), formula (III) or formula (IV), wherein n and m are integers between 0 and 20 respectively , X is O or S. The organic semiconductor material has a lower LUMO / HOMO energy level in the range of -3.65eV to -4.58eV, has the ability to transport electrons, and is suitable for preparing high-mobility organic field effect transistor devices as a charge transport layer.

The invention discloses an instant messaging method realized based on websocket. The method comprises the following steps: establishing a websocket transit server, establishing a transit server basic framework, installing a transmission module through an npm packet manager, establishing communication by using the transmission module, and binding with a server and a port. The client is connected with the server; the server side is connected with the communication server, the transit server establishes connection with the communication server through a node service, multi-point connection of a user to the communication server is changed into one point, and a websocket forwards a message to the client side and receives the message; and when the webpage end establishes connection with the transit server, the mobile end establishes connection with the communication server, and the communication server performs data forwarding, storage and message synchronization in the middle to realize cross-platform data interaction. According to the method, the problem that instant messaging cannot be realized by multi-terminal cross-platform data is solved, invalid and repeated data forwarding is avoided, sub-protocol extension and data compression and encryption are supported, higher information real-time performance is achieved, and cross-platform instant messaging is realized.

The photo detector includes following parts: a P substrate; a quadratic N trap area prepared on P substrate; being prepared on N trap area, an annular shallow-channel isolation area is encircled by annular N trap area; being prepared on N trap area, a P+ region is encircled by annular shallow-channel isolation area so as to constitute anode of photo detector array; being prepared on N trap area, an annular N+ area is encircles the shallow-channel isolation area; being prepared on P substrate, an annular second P+ encircles the quadratic N trap area; a plane spiral metal electrode connects each unit block in array form one by one in first P+ area; an annular metal electrode is connected to N+ area; a annular metal electrode is connected to second P+ area.

The invention discloses a method and system for recovering low-speed data through a high-speed SerDes interface, and relates to the technical field of communications. The method comprises the following steps that input low-speed data is converted into sampling parallel data through the high-speed SerDes interface, wherein the bit width of the sampling parallel data is an integral multiple of the sampling rate m; the sampling parallel data is extracted in a batched mode to serve as target data, the data bit number of the target data of each batch is the same as the bit width of the sampling parallel data, and after 1 bit displacement is conducted on the target data, the displaced target data is subjected to pairwise xor to obtain the jump edge position of the sampling parallel data; the sampling point position of the sampling parallel data is determined according to the jump edge position, the data corresponding to the sampling point position is effective data of the low-speed data, and the effective data is extracted from the sampling point position of the sampling parallel data. Accordingly, the low-speed data is recovered by means of the existing high-speed SerDes interface, the chip design risk and cost are lowered, and the development cycle is shortened.

The invention discloses a parameter extraction method of an elliptical frustum-shaped TSV (through silicon via) based on a temperature effect. The parameter extraction method comprises the following steps: establishing a physical model of the elliptical frustum-shaped TSV containing bonding bumps; extracting parasitic resistance of the elliptical frustum-shaped TSV containing the bonding bumps; extracting parasitic inductance of the elliptical frustum-shaped TSV containing the bonding bumps; extracting parasitic capacitance of the elliptical frustum-shaped TSV containing the bonding bumps; establishing an equivalent circuit corresponding to the elliptical frustum-shaped TSV parasitic parameters containing the bonding bumps; and performing S parameter simulation on the physical model and the equivalent circuit of the elliptical frustum-shaped TSV containing the bonding bumps. According to the parameter extraction method, the structure of the bonding bump is completely considered, especially the coupling influence of the bonding bump on the resistance and capacitance of the TSV is considered, and all parasitic parameters of the TSV can be extracted more accurately.