50results about How to "Facilitates a smooth transition" patented technology

The invention discloses a system and method for realizing broad and narrow band resource dynamic allocation based on a narrow band air interface, and belongs to the technical field of trunking communication. The invention aims to solve the problems that in the exiting implementation method of broad and narrow access fusing service, when a PDT air interface short message carries control information, the response speed of call establishment is low, and the utilization ratio of broad band resources is low. The system comprises a fused base station and a terminal, wherein the fused base station and the terminal perform information interaction in a wireless mode; the fused base station comprises a trunked base station controller, a plurality of PDT base station channel units and a broad band service unit. The method comprises the stages of call establishment, call process control and clearing control; the broad band service unit is added to the original PDT base station; the signaling interaction of broad and narrow services is performed through PDT air interface signaling extension; then broad and narrow resource dynamic allocation is realized. The system is applied to broad and narrow resource dynamic allocation.

The invention discloses a switch method for user terminals to participate in switch decisions, including the following steps: at first, the source base station chooses a group of down node-sets according to the measurement information, and then during switch, the user terminal chooses an optimized switch target from former down node-sets chosen by the resource base station according to present measurement information. The invention realizes macro-diversity of downstream data during switch preparation stage, which not only solves the problem that UE is easily dropped during switch process, but also brings diversity gain, improves service quality effectively, increases switch speed. The invention also discloses a system, a base station and use terminal for user terminal to participate switch decision. Because the target switch channel is independently chosen by user terminal during switch according to the invention, it can be more accurate to switch to a perfect target channel in the situation of rapidly changed wireless environment, thereby ensuring the switch quality of switch effectively.

The invention discloses a method for mobile terminal to realize channel switch, which includes the following steps: during the switch preparation stage, a source base station ensures a target node and a down node-set according to measurement information, and the down node-set begins to provide downstream transmission data for the mobile terminal during the switch preparation stage; during the switch stage, the mobile terminal switches the uplink into the target node, then the downstream data is still sent by down node-set; after the switch, the down node focus the node release resources except the target node, and the target node provides up-down service for mobile terminal. The invention also discloses a system and a base station for mobile terminal to realize channel switch, using the method, system and base station can reduce drop-calls and resource occupation of mobile terminal in switch process, and realize continuous receiving of downstream data in the whole switch process by mobile terminal, and improves transmission service quality of mobile terminal.

The invention provides a combustion chamber of a wide speed range ramjet engine and a working method thereof, wherein the combustion chamber comprises an air inlet connecting section (1), a forward-inclined concave combustion chamber (2) and a tail nozzle (3), wherein the air inlet connecting section (1), the forward-inclined concave combustion chamber (2) and the tail nozzle (3) are arranged successively; the air inlet connecting section (1) is a bridge component, through which a variable supersonic air inlet outlet is connected with the combustion chamber inlet, the area of the forward-inclined concave combustion chamber (2) is larger than that of the air inlet connecting section (1); the air inlet connecting section (1), the forward-inclined concave combustion chamber (2) and the tail nozzle (3) as well as the structure of the combination of the air inlet connecting section (1), the forward-inclined concave combustion chamber (2) and the tail nozzle (3) is symmetrical with a centralplane, or rotationally symmetrical with a central axis.

The invention discloses a winding device capable of improving the service life of a steel wire rope. The winding device comprises a roller (1), the steel wire rope (2) and a pulley (4), wherein the roller (1) is provided with an inner layer rope carrying surface (3) and an outer layer rope carrying surface (5); the radius of the outer layer rope carrying surface (5) is more than that of the inner layer rope carrying surface (3); the steel wire rope (2) is wound on the inner layer rope carrying surface (3) for n layers and can smoothly transit and enter the outer layer rope carrying surface (5); the rope head of the steel wire rope (2) is fixed on the end part of the inner layer rope carrying surface (3); and when the steel wire rope (2) is wound on the roller (1), the rope section at an orifice of the steel wire rope (2) is positioned on the outer layer rope carrying surface (5). The winding device can improve the service life of the steel wire rope and has convenient manufacturing and reliable performance. The winding device can be applicable to the winding work of a rotary drilling machine and can be used in other winding devices.

The invention provides a method for connecting a high-entropy ceramic and a metal. The method comprises the following steps: S1, carrying out vacuum diffusion welding on a high-entropy ceramic and TaZrNbHfTi refractory high-entropy alloy at a high temperature to obtain a welding assembly; and S2, carrying out vacuum diffusion welding on the TaZrNbHfTi refractory high-entropy alloy of the welding assembly and a metal to complete the connection of the high-entropy ceramic and the metal. According to the connecting method for the high-entropy ceramic and the metal, the TaZrNbHfTi refractory high-entropy alloy serves as the middle layer, so that diffusion welding of the high-entropy ceramic and the metal is achieved, good wetting of base metal and smooth transition of the thermal expansion coefficient can be achieved, and generation of defects such as cracks is restrained so as to improve the strength of a joint.

The invention discloses a manufacturing method of a flexible OLED substrate. The manufacturing method comprises the following steps of S1, providing a supporting plate; S2, forming a flexible materiallayer on the supporting plate; S3, forming a barrier layer on the flexible material layer, wherein the barrier layer adopts a multi-layered structure, and comprises an inorganic layer and an organiclayer stacked mutually, wherein the inorganic layer is arranged on the surface on one side, far from the flexible material layer, of the barrier layer; the inorganic layer adopts the material of SiN<x> or SiO<x>N<y> with thickness of greater than 2,000-angstrom; and S4, manufacturing a layer of inorganic material to form a flat layer on the barrier layer through a bias sputtering method, removingconcave and convex points from the surface of the whole flexible material layer to realize an isoplanar structure. According to the manufacturing method, after the barrier layer is completely formed,the inorganic flat layer is manufactured by the bias sputtering method; and the tiny concave and convex points on the surface of the flexible material layer can be eliminated through etching and re-sputtering effects, so that electrode wiring smooth transition can be facilitated, post processing can be reduced, and the electrode wire breaking probability in device bending can be lowered.

The invention relates to a construction method for track concrete. The method comprises the following step: after the completion of the concrete jetting of tracks, scraping off floating materials andexcess sprayed materials on the track surfaces, and sequentially scraping the surface concrete of each track to be level with a leveling pipe on the track; carrying out primary smoothing leveling on the track surfaces; after the primary smoothing leveling is completed, removing upper cornice templates and lower cornice templates of the tracks; processing the upper cornice templates and lower cornice templates; and taking out the leveling pipes to carry out filling according to the state of the concrete on the tracks; and after the space left by the leveling pipes is filled up, performing secondary smoothing leveling on the track surfaces and carrying out a brushing process on the track surfaces. The method of the invention makes the concrete surface of the spatial hyperboloid track denser,and the overall smooth transition of the track is realized and the quality and construction efficiency of the track are improved.

The invention discloses a round bend type transformer tank cover used for a transformer tank. The transformer tank cover covers the transformer tank and is a square cover plate. The four sides of the tank cover are all located on the outer side of the side wall of the transformer tank, downward round bend is conducted on the four edges of the tank cover to form four flanges, the bent portions, provided with the flanges, of the cover plate are all located on the outer side of the side wall of the transformer tank, the four flanges are welded to the outer side face of the tank cover and connected into a whole, and joints are eliminated. The flanges are formed through round bend, damage to a steel plate antirust layer is reduced, the bent flanges are reasonable in size, the flanges can well protect a sealing rubber strip, and therefore the strength of the cover plate can be improved.

The present invention provides a logic channel distribution method when a digital multimedia wireless radio employs the frequency hopping transmission. The logic channel distribution problem when the digital multimedia wireless radio employs the frequency hopping transmission is modeled to be a coloring problem; a coloring subgraph is constructed; the current coloring subgraph is colored, and it is determined whether the coloring is successful or not; if the coloring is not successful, when the parameters of the current coloring subgraph can be regulated, the parameters of the current coloring subgraph is regulated, and the coloring subgraph is reconstructed; if the coloring is successful, the logic channel distribution is successful; and if one coloring subgraph is failed, the logic channel distribution is failed. The logic channel distribution method when a digital multimedia wireless radio employs the frequency hopping transmission allows the time interval of the frames of the same logic channel from the same type of the radio on each carrier frequency to be larger than the frequency hopping protection time so as to allow the radio frames in the same logic channel set to satisfy the requirement of the frequency hopping protection time on multiple carrier frequencies.

The invention relates to an elastic bending tool for femoral intramedullary nails, comprising a base; a presser block is arranged above a bending station; a forming surface is provided with a pressergroove; left and right support plates that are rotatable are arranged between two mounting side plates; the left end of the left support plate is rotationally connected with the two mounting side plates through pins; a left spring is arranged blow the right end of the left support plate; the right end of the right support plate is rotationally connected with the mounting side plates via pins; a right spring is arranged below the left end of the right support plate; a retaining plate is arranged in the middle of each mounting side plate; the left support plate is provided with a left support wheel; a right support wheel is arranged on the right support plate; the left of the left support plate is provided with a clamping device to clamp the proximal end of an intramedullary nail; during operation, an intramedullary nail to be bent is placed on the clamping device, the left support wheel and the right support wheel; the two support plates may form obtuse structure when the intramedullarynail is under pressure; the two support wheels can be rotated and spread such that smooth transitional forming is achieved for the intramedullary nail.

The invention discloses a sports shoe sole supporting piece, a sports shoe sole and a sports shoe. The sneaker sole supporting piece is applied to a sneaker sole, is of a thin plate structure extending in the length direction of the sneaker, and is provided with a bent section at least used for corresponding to the metatarsophalangeal joint part of the foot of a human body; the bent section is concave downwards in the width direction to be arc-shaped. The sneaker sole comprises a midsole, and the sneaker sole supporting piece is arranged in the midsole. The sneaker comprises the sneaker sole and a vamp fixedly connected with the sneaker sole. By the adoption of the technical scheme, the metatarsophalangeal joints can obtain larger energy feedback in the process from dorsal flexion to plantar flexion when an athlete runs, the carbon plate is good in boosting effect and acceleration effect in the athlete movement process, and the economical efficiency is good when the athlete runs.

The invention relates to a blockchain system for realizing decentralization of a blockchain data structure to avoid data bifurcation based on space coordinate introduction, and the blockchain system comprises a block head and a block body, according to the system, a block creation spatial data information module and an enhanced block Hash value information module are added on the basis of an original decentralized blockchain system, and a spatial coordinate and coordinate verification mechanism is added, so that a dual calibration function of time and spatial information of blockchain data isrealized. The invention also relates to a processing method for avoiding data bifurcation of a decentralized blockchain data structure introduced based on space coordinates by using the blockchain system. By adopting the blockchain system for realizing the decentralized blockchain data structure based on the spatial coordinate introduction to avoid the generation of data bifurcation and the processing method of the blockchain system, multi-player data aggregation is realized through a space-time synchronous aggregation authentication mechanism, and the major security problem that the decentralized blockchain data is bifurcated is solved.

The invention discloses a mixed-flow water turbine draft tube with an inclined bent cone. The draft tube is sequentially composed of an inclined bent cone section unit, an elbow section unit and a diffusion section unit, wherein the central axes of the inclined bent cone section unit, the elbow section unit and the diffusion section unit, the upstream side contour line and the downstream side contour line of the inclined bent cone section unit, the upstream side contour line and the downstream side contour line of the elbow section unit and the top contour line and the bottom contour line of the diffusion section unit conform to an exponential curve y = a + b * e (cx), wherein a, b and c are all undetermined constants, and the values a, b and c of different lines of different units are different, so that the fluid flow state in the draft tube is the best, and the vortex strip is the minimum. The spiral symmetrical structure or the cylindrical symmetrical structure of the vortex strip of the draft tube is destroyed through the asymmetric design of the inclined bent cone, generation of the vortex strip of the draft tube is effectively simulated, then pressure pulsation is reduced, and the operation and output stability of the water turbine is improved.