131 results about "Delay phenomenon" patented technology

The present invention discloses a block chain contract-based fast transaction system. The system comprises a distributed authentication unit, a contract access server and contract nodes, wherein the distributed authentication unit comprises one or more service nodes and a plurality of authentication nodes, and the contract nodes comprise common contract nodes and rapid transaction contract nodes. The implementation method of the system includes the followings steps that: (1) a fast transaction is initialized; (2) a contract layer realizes the fast transaction; and (3) a bottom consensus layer realizes the distributed confirmation of rapid transaction history and writes confirmation results to a block chain. With the block chain contract-based fast transaction system of the invention adopted, rapid support for the transaction is realized, and the influence of the closing time of the block chain, the size of blocks and distributed network transmission on the execution of the transaction can be avoided; the Byzantine fault tolerance of the transaction system is maintained; delay phenomena of an existing block chain transaction mode in transaction spread, a consensus process and a contract execution process can be avoided; the details of the transaction can be hidden and encrypted; and the system has the inherent advantages of distributed block chains.

The invention relates to a liquid crystal display driving device. The liquid crystal display driving device comprises a scan driving unit, a data driving unit, a grid line, a data line and a pixel region which is formed by the grid line and the data line, wherein the grid line comprises a grid scanning line and a redundant grid line; the data line comprises a data signal wire and a redundant data line; and the liquid crystal display driving device also comprises a compensating circuit which is connected with the grid line for compensating a grid scanning signal on the grid scanning line to improve voltage delay phenomenon on the grid scanning line. The liquid crystal display driving device provided by the invention can compensate the grid scanning signal through the compensating circuit which is connected with the grid line, so that the influence of overtime of resistance-capacitance (RC) on the rise time and / or the fall time of the grid scanning signal can be reduced, the charging time requirement of a pixel can be fully met, and the charging rate of the pixel is ensured.

The invention, which belongs to the advanced control field of the industrial process, relates to a time-varying-delay-and-interference-based hybrid 2D tracking control method of an injection molding process. An injection molding process is represented by a typical multi-stage batch process; an error is introduced and an injection molding process two-dimensional augmentation model is built to obtain a two-dimensional state space time-delay system model; a state space model of an equivalent 2D switching time-delay discrete system is established; according to different stages, a segmented Lyapunov function with time-delay information is selected; on the basis of a 2D stability theory, an anti-jamming 2D controller that has extension information and depends on the upper limit and lower limit of the time delay as well as switching time is calculated. According to the invention, a control method enabling the process to be operated stably and the control precision to be improved obviously isdeveloped, so that objectives of reducing the cost investment and improving the production efficiency are achieved; and a problem that the system performance is reduced and even is not stable becauseof the delay phenomenon is solved.

The present invention related to a semiconductor wafer cleaning system comprising a preliminary cleaning station for removing particles on a wafer in advance by spraying deionized water thereon; a first cleaning station for cleaning remaining particles firstly by rotating frictionally a pair of brushes disposed to be contacted with a front surface and a back surface of the wafer and by spraying chemicals thereon through a chemical sprayer being provided independently; a first rinsing station for rinsing by spraying a cleaning liquid onto the firstly cleaned wafer at the first cleaning station; a second cleaning station for cleaning particles secondly remained on the front surface and the back surface of the wafer by spraying the chemicals onto the firstly rinsed cleaned wafer at the first rinsing station through a chemical sprayer being provided independently using the same structure and manner as those of the first cleaning station; a second rinsing station for rinsing by spraying the cleaning liquid onto the secondly cleaned wafer at the second cleaning station; and a dry station for drying the remained cleaning liquid using centrifugal force generated by rotating the rinsed wafer at the second rinsing station at a high speed. According to the present invention, a waiting time of entry into each cleaning station is minimized by processing a cleaning operation and a rinsing operation of a surface-polished wafer in a cleaning station and a rinsing station which are provided separately and independently thereby improves wafer productivity significantly by solving a delayed phenomenon in a whole process of wafer manufacturing.

The invention discloses a crossing pre-signal lane, which comprises a pavement, and a primary signal, a pre-signal, a primary stop line, a pre-stop line, a bus lane and a bus waiting area, which are arranged on the pavement. The primary signal is arranged at the position of the primary stop line, and the pre-signal is arranged at the position of the pre-stop line. The primary stop line is arranged at the connection part of the crossing pre-signal lane and a crossing, the pre-stop line is positioned on the upstream of the crossing, the bus waiting area is positioned between the primary stop line and the pre-stop line, and the bus lane is connected with the bus waiting area. In the invention, through the arrangement of the bus waiting area, buses can go around to surpass social vehicles, and thus, a bus first policy is realized. When the crossing pre-signal lane is used, the delay phenomena of buses can be reduced, the running speed and transmission efficiency of the buses can be improved, and thus, the attraction of the buses is increased. Although the crossing pre-signal lane may delay the social vehicles for some time, the delay per person at the entrance lane is reduced for the busload is large.

The embodiment of the invention discloses a resource scheduling method and system, and relates to the technical field of electronic information. System delay phenomena can be reduced, and the overall computing performance and execution efficiency of the system are improved. The method includes the following steps that according to tasks submitted by a client service module, an application management module and an application management operation container which are used for managing the tasks are created in a node management module; according to the tasks, sub tasks are generated through the application management module; computing resources of the correspondingly generated sub tasks are distributed, and according to the distributed computing resources, a thread is built, wherein one sub task corresponds to one thread; each sub task is operated on the tread corresponding to the sub task. The method and the system are suitable for efficient resource scheduling when computing of a large number of lightweight tasks is required.

The invention, which relates to the video coding processing field, discloses a method for calculating a coding distortion degree and a coding mode control and a system thereof. According to the invention, the method comprises: a predicted pixel value of a coding macro block in a current coding mode is obtained and a predicted residual value is calculated based on the predicted pixel value and the coding macro block pixel value; the predicted residual value is processed by quantization and inverse quantization during a coding process in a current coding mode to obtain a predicted residual value with quantization losses; and a difference spare quadratic sum of the predicted residual value and the predicted residual value with quantization losses is used as a coding distortion degree in the current coding mode. According to the invention, because the difference spare quadratic sum of the predicted residual value and the predicted residual value with quantization losses is used as the coding distortion degree, the time delay of a prediction module, a prediction residual calculation module, and a rebuilding module in a calculation passage is avoided; and a problem that a serious data passage delay phenomenon occurs when the distortion degree is calculated based on the traditional SSD coding module control strategy can be solved.

The invention relates to a method and device for playing a multimedia file. The method comprises the steps of obtaining a to-be-played multimedia file; demultiplexing the multimedia file; initializing a hardware decoder according to format information of demultiplexing data; decoding the demultiplexing data by employing the hardware decoder; and rendering decoding data by employing a hardware renderer. According to the method and device for playing the multimedia file, under the condition that most of the multimedia files can be played, software decoding can be replaced by hardware decoding, and therefore, an occupation rate of a CPU (Central Processing Unit) can be reduced. A local software algorithm is replaced by GPU hardware acceleration, therefore the memory overhead of a system can be reduced, the load of the system can be reduced, the power consumption resulting from playing the multimedia file can be reduced, the delay phenomenon or no response phenomenon of an APP occurred in the playing process can be avoided, the user experience is improved, and the higher-definition multimedia file can be played by more mid-and-lower-end machines.

The invention aims at providing a method and device for migrating database data. Specifically, the method comprises the steps of obtaining a database statement performed by a user in a corresponding source database instance according to a database migration request submitted by a user; determining a to-be-performed target data object by analyzing the database statement; and caching the target data object to a target source database instance by performing search operation about the target data object in the corresponding source database instance. Compared with the prior art, the method and the device have the advantages that the database statement performed by the user in the corresponding source database instance is obtained according to the database migration request and the target data object is cached to the target source database instance by performing the search operation of the target data object in the corresponding source database instance, wherein the target data object is determined after the database statement is analyzed, so pause or delay phenomena in migration and switching processes when the database is used by the user are reduced, and the access performance of the user for the database in the database migration process is improved.

The present invention relates to an atmosphere water vapor measurement method based on a Beidou satellite. Signals of the Beidou satellite generate delay phenomena when the signals pass through the atmosphere, the delay can be divided into ionosphere delay, static delay and wet zenith delay. With adopting a dual-frequency receiving technology, the ionosphere delay can be almost completely eliminated, and the static delay can be corrected to the millimeter magnitude, such that the wet zenith delay with the millimeter magnitude is obtained. The wet zenith delay and the total amount of the water vapor have a strict direct proportion relationship, such that the water vapor content of the atmosphere can be accurately inverted by using the following characteristic of the signals of the Beidou satellite: when the signals emitted by the Beidou satellite pass through the atmosphere with the different water contents, the different delay phenomena appear. With the technology of the present invention, the technological monopoly of the developed countries is broken, the application blank of the Beidou satellite in our country is filled, and the high-technology and low-cost precision measurement method is provided for meterorology monitoring and forecasting in our country, such that the Beidou satellite navigation system becomes the important means for accurate weather forecasting in our country, wherein the developed countries adopt GPS to carry out the precise water vapor measurement.

The invention provides a terminal and system capable of adaptively switching wideband and narrowband communication, and a communication method thereof. The terminal comprises an adaptive switching module, a control module, a power supply module, a narrowband communication module and a wideband communication module; the control module separately drives and controls the adaptive switching module, the narrowband communication module and the wideband communication module; the system comprises multiple terminals for adaptively switching wideband and narrowband communication, a narrowband frequencypoint distribution module, multiple narrowband channels and one or more wideband channels; the adaptive switching module is controlled through the method in the invention; switching of narrowband communication or wideband communication is adaptively carried out according to the size of data to be sent; the bandwidth utilization rate is increased; the narrowband delay phenomenon due to relatively big data or the bandwidth waste phenomenon due to relatively small data can be improved; multiple frequency points are set; when one terminal is communicated with multiple other terminals at the same time, influence on communication with another terminal due to occupation of one channel can be avoided; therefore, the communication efficiency is increased; and the channel utilization rate is increased.

The invention discloses a message pushing control method and device. The device comprises a receiving module, a screening module and a pushing delay module; the receiving module is used for querying a subscription list subscribing account numbers of users when dynamic messages published by the users through a target social application installed on an intelligent terminal are received; the screening module is used for selecting different types of account numbers from the subscription list, wherein the account numbers comprise the inactive account numbers; and the pushing delay module is used for starting to push the dynamic messages to inboxes of the inactive account numbers when a preset time is up. Accordingly, different pushing strategies are adopted for different users, pushing delay is adopted for the inactive users, pushing is conducted at the fixed time, the pushing pressure is greatly reduced, the real-time pressure and load of a server are reduced, resource waste is avoided, the system performance is improved, and meanwhile the delay phenomenon generated during the real-time pushing process of the active users can be reduced.

The invention provides a liquid crystal lens and a stereo display device. The liquid crystal lens comprises a first substrate, a second substrate and a liquid crystal layer, the second substrate is provided with a plurality of strip electrode assemblies, each strip electrode assembly comprises at least two layers of electrode stripes, the width of the at least two layers of electrode stripes decreases in order, one of the at least two layers of electrode stripes is divided into a first sub electrode stripe and two second sub electrode stripes, the two second sub electrode stripes are arranged on two sides of the first sub electrode stripe at intervals, and the first sub electrode stripe is electrically connected with another electrode stripe which is the most adjacent to an electrode stripe, far away from the second substrate, of the at least two layers of electrode stripes. The liquid crystal lens and the stereo display device have the advantages that not only can the switching of the 2 dimensional (D) / 3D display be conducted, but also the resistance of the electrode stripes can be reduced, the capacitance of the strip electrode assemblies is reduced at the same time, and the delay phenomenon of remote control (RC) of the strip electrode assemblies is reduced.

The embodiment of the invention discloses a video monitoring networking management method, a video monitoring networking management device and a video monitoring networking management system, which solve the problem of alarm delay and the waste of manpower and financial power because site conditions cannot be known at the first time so that accurate judgment and response cannot be made in time when a dangerous condition happens. The method comprises the following steps: when receiving alarm information from an alarm point, displaying the video information of the alarm point and / or the surrounding of the alarm point; and performing alarm dispatching according to the alarm information and the video information. In the method, the device and the system, the video information of the alarm point and / or the surrounding of the alarm point are / is displayed when the alarm information from the alarm point is received, the site conditions of the alarm point can be known through the video information when an alarm is received and personnel do not need to be assigned to investigate on site, and accurate judgment and response can be made in time according to the site conditions and the alarm information, which avoids an alarm delay phenomenon and the waste of the manpower and the financial power.

The invention discloses a video display method and system for a television terminal. The video display method for the television terminal comprises the steps of decoding video information of a current video when a video player of the television terminal receives a video URL address sent by a mobile terminal and obtaining an angle of the current video needing to be rotated; rotating the current video by the television terminal according to the rotation angle, thereby obtaining the rotated video; calling an algorithm to set a size of a video display area by the television terminal and controlling the video player to display the rotated video in the video display area of which the size is adjusted. According to the video display method for the television terminal provided by the invention, the problem that the played image is stretched to deform when the length and width of the image of a current video file do not correspond to the length and width of a smart television can be solved, the playing quality of the player is improved, moreover, scaling is calculated in a display layer, complicated video frame operation is avoided, and the blurred screen, black screen and delay phenomena are effectively prevented from appearing in the smart terminal.

The invention relates to a design method for a linear active-disturbance-rejection controller based on a prediction tracking differentiator, and the method comprises the following steps: a, designingthe prediction tracking differentiator, and performing the filtering of an obtained state signal through the prediction tracking differentiator to obtain a filter value; b, obtaining an extension state of the system through an extension state observer based on the filter value; c, correcting a PD control law through the extension state to obtain the linear active-disturbance-rejection controller.The method provided by the invention can inhibit the impact on the closed-loop characteristics of a system from the noise pollution, can effectively inhibit the phase delay phenomenon caused by the filtering, solves a problem of noise pollution amplification caused by a high-gain observer, and improves the robustness of a controller. The method improves the robustness of the active-disturbance-rejection controller to the high-frequency noise, and has the engineering practicality.

A Hall signal sampling magnetoelectric encoder for suppressing interference and temperature drift relates to the field of sensor technology. The Hall signal sampling magnetoelectric encoder solves theproblems that the existing magnetoelectric coding structure is complicated and has high cost, at the same time, the interference and temperature drift errors of the double Hall signal sampling magnetic encoder are suppressed, and the angular delay phenomenon of the magnetoelectric encoder is eliminated. The Hall signal sampling magnetoelectric encoder adopts a patch of magnetic steel, and the magnetic steel rotates to generate a variable magnetic field signal. Four Hall sensors with a phase difference of 90 DEG are welded to a magnetoelectric encoder code wheel to sample a magnetic field signal, so that the overall structure is enabled to be simple and compact. Signals of the two oppositely-welded Hall sensors are differentiated by a differential amplifier to obtain two differential signals. The two differential signals are subjected to arc tangent calculation to obtain the angle value, and the angle of the magnetoelectric encoder is measured.

The invention provides a tight-coupling extensible big data interaction method. By constructing a distributed tight-coupling client drive layer, on the basis of guaranteeing the consistency, single-point failure of the clients or server sides can be avoided, communication overhead among the clients is reduced, a system is enabled to have approximately-linear extensibility under scenes of emphasizing metadata query, and the demands of high online concurrency of interaction analysis of big data are met. According to the method, the read-write consistency of data can be guaranteed; even though the delay phenomenon is caused by pure read operation but the consistency of the sequence of a read-write version can be guaranteed; under the condition that a latest version is required to be read, the data synchronization process can be actively executed once; in addition, the method has good fault tolerance; as long as the number of failure nodes is smaller than a half, the influence on read-write data of other nodes is avoided; when the nodes reply, the synchronization can be realized by one-time read-write operation through the steps.

The invention provides a no-lag lithium / iron disulfide round cell and a manufacturing method thereof. The positive pole of the cell is added with a titanium compound in a certain proportion such as one or a mixture of more in an arbitrary ratio of lithium titanate, sodium titanate, barium titanate, ilmenite, titanium dioxide, and the like; the titanum compound, iron disulfide, a conductive agent and a binder are evenly mixed and stirred to be made into slurry, and then, the slurry is coated on an aluminium substrate, and the aluminum substrate is milled and cut into a positive pole sheet; a lithium or lithium alloy negative pole is combined with the positive pole sheet. The lithium / iron disulfide round cell is made after adding the electrolyte. The cell can be widely applied in various fields. The technical method has simple process, eliminates the delay phenomenon in the discharge course, and enhances the stability of cell discharge voltage.

The invention discloses a redirection method for a camera arranged in a virtual environment. According to the method, information is transmitted by a remote transmission protocol, and thus a terminal directly reads the data of the camera in local, and directly decodes in a local remote desktop window to display an image, namely the completely local displaying is achieved for a user; two times of data transmission on the network is not needed, and no delay phenomenon is caused, meanwhile, no image data needs to be transmitted on the network, and only several pieces of simple communication information are transmitted on the network, so that the network load is greatly reduced and the user experience is greatly enhanced.

The invention discloses a multi-screen display method, device and system and belongs to the technical field of a computer. The method comprises the steps of generating a presentation image corresponding to each presentation page in a presentation file when a local presentation file is displayed; sending the presentation image corresponding to each presentation page to a control device; receiving apresentation control instruction sent by the control device; and displaying target presentation pages indicated by the presentation control instruction, and sending page identities of the target presentation pages to the control device, thereby enabling the control device to synchronously display the presentation images corresponding to the target presentation pages according to the page identities. According to the method provided by the invention, the problem that a delay phenomenon occurs when the control device displays desktop image frames is solved. When the control device displays thepresentation file on a display device, all presentation images corresponding to the presentation file are obtained, the data quantity transmitted from the display device to the control device is reduced, and transmission resources are saved.

The present invention discloses a system of a user side access conference video based on a WEB and a method, the system comprises a user side and a conference video side, the user side comprises a user interface and a control console agent, the conference video side comprises a main application process, wherein, a webpage browser plug-in board is inserted in the user interface; the method comprises a user input user name and a password, and the user name and the password are sent to the main application process at the conference video side to perform a verification of the user name and the password through a control console plug-in board and the control console agent, and a verification result is informed to the user, the conference video actively reports the data to the user through the control console plug-in board and the control console agent after a corresponding operation is performed according to the verification result, the method also can need no user name and the password, the user name and the password only are taken as inherent parameters to send to the control console agent in a parameter way, the present invention is utilized, to enable the user not to inquiry on time to get the data information in time. An operation delay phenomena of the user is avoided, and simultaneously the occupied CPU resource is reduced.

The invention relates to a press machine which comprises a main shaft, two eccentric blocks, a driver, a first flywheel, a second flywheel, a first clutch and a second clutch. The first flywheel and the first clutch are arranged at one side of the main shaft, the second flywheel and the second clutch are arranged at the other side of the main shaft, the driver drives the two flywheels to rotate at the same time, the two flywheels drive the main shaft to rotate by the action of the two clutches, and the main shaft is provided with the two eccentric blocks and drives a slide block to move up and down by the action of the two eccentric blocks, thereby an upper die of a press machine die which is installed on the bottom plane of the slide block is driven to move up and down in a reciprocating way. The invention has the advantages that the press machine utilizes the driver and drives one main shaft at the same time to cause torque of the two flywheels acted on both ends of the main shaft to act on the two eccentric blocks of the main shaft, and the two eccentric blocks cannot generate the phase delay phenomenon, thereby both ends of the slide block simultaneously ascend and descend, the motion precision, the lower dead center precision, the guide precision and the precision of a machined workpiece of the slide block are enhanced, and meanwhile, the service life of the press machine and the service life of the die are prolonged to reduce unnecessary wear.

The present invention belongs to the field of laser ranging, and particularly relates to a laser pulse energy adjusting device and method and a multi-level pulse laser. The adjusting device comprisesa laser pulse transmitting control module, a laser pulse transmitting module, an echo signal receiving module and an echo signal processing module. The laser pulse transmitting control module controlsthe laser pulse transmitting module to transmit laser pulses having multi-level energy. The echo signal processing module is used to perform information processing on a received echo signal of the previous transmitted pulse laser, send the processing information to the laser pulse transmitting control module and perform timing processing on the echo signal of the subsequent transmitted pulse laser. For the same target position, the laser pulse transmitting control module adjusts the laser pulse transmitting module according to the processing information to transmit subsequent pulse laser energy so that the intensity of the latter echo signal is within a measurable range. Measurement of large dynamic range of laser radar is realized; no group delay phenomenon exists; and adjusting speed ishigh.

The invention relates to a mechanical property prediction method of a welding joint, in particular to an interface system method of mechanical property prediction of a welding joint based on the computer technology. The interface system method of the mechanical property prediction of the welding joint based on the computer technology is characterized in that an error reverse back propagation algorithm is adopted to train a mechanical property prediction model of a common alloy steel welding joint, and a trained artificial neural network model can be led to a mechanical property prediction interface system of the welding joint to carry out mechanical performance prediction of the common alloy steel welding joint. Compared with the prior art, the invention improves the yield of the welding products, realizes the interface system of the mechanical property prediction of the welding joint, has complete functions, comprises three basic modules including a model management and maintenance module, a mechanical performance prediction module and a data storage and viewing module, reduces the funding of a welding procedure qualification experiment, improves the production efficiency and avoids the delay phenomenon in the welding production process.

The invention discloses a method and electronic equipment for processing video frame data, aiming to solve the technical problem that a delay phenomenon occurs when a call is made between video call equipment with different video frame data processing capabilities and the picture delay is caused in the prior art. The method includes the following steps: acquiring current video frame data accordingto a target frame frequency rate, and obtaining a first acquisition time of starting to acquire the current video frame data, wherein the target frame frequency is a frame frequency supported by equipment with the lowest rate of processing the video frame data in first electronic equipment and at least one second electronic equipment, and the data is processed according to the processing speed ofthe target frame frequency; calculating a first time difference based on the first acquisition time and the start time of starting to encode the previous video frame data; judging whether the first time difference is greater than a processing duration corresponding to the target frame frequency; and if so, encoding the current video frame data and transmitting the data to the at least one secondelectronic equipment.

The invention claims a switch circuit capable of quickly discharging transistor parasitic capacitance charge. The switch circuit comprises a transistor connected with the load; the input end of the transistor is connected with a charge discharging circuit; the charge discharging circuit receives a second controlling signal provided by the external device for discharging the charge on the transistor parasitic capacitance under the action of the second controlling signal, and lowering the potential on the input end of the transistor to the reference potential. At the same time, the invention also discloses the charge discharging method of the switch circuit. The switch circuit provided by the invention can effectively eliminate the delay phenomenon when starting up the load through quickly regulating the potential on the input end of the transistor down by utilizing the charge discharging circuit in the transitional stage of turning from on to off, thus greatly reducing the time cost wasted on reducing the virtual high potential of the input end after the transistor is on.

The invention discloses a method and equipment for determining a key node. The method comprises the following steps of: obtaining operation times corresponding to various nodes in a system; determining a link having the longest operation time from an initial node to a target node; counting optimizable durations corresponding to various nodes included in the link; and selecting a node, the optimizable duration of which accords with a pre-set condition in the link, as the key node. By means of the method and the equipment disclosed by the invention, the optimization work is guided by searching the key node causing delay of the target node; therefore, the optimization efficiency is increased; and the task delay phenomenon is relieved.

The invention discloses a frequency domain implementation method of a high-speed high-order FIR filter used for FPGA. When convolution operation is processed by utilization of a frequency domain, the problem that data cannot be processed in real time caused by zero filing time consumption is solved, an original conventional scheme of processing a sequence by utilization of one FFT IP is changed to a scheme of operating inputted data by utilization of two FFT IPs. Two FFTs output sectional convolution data respectively, and the difference of the later convolution and the previous convolution is just N clocks. Because the length of the sectional convolution is 2N, the previous N data and the previous sectional convolution are added, and the later N data and the later sectional convolution are added. Thus superfluous time-delay is not needed during overlap addition, a convolution result can be obtained, and therefore signal in-real processing is achieved. The provided frequency domain implementation method can lower FPGA resource consumption, can eliminate zero filling delay phenomena in the prior art, raises the processing speed, and can achieve real-time processing.

The invention discloses a partial updating method based on an Ajax webpage. The method includes the steps of clicking a button for refreshing of a browser to obtain updated content, processing the updated content with an MSXML to create an XMLHttpRequest object, updating partial content of the webpage, sending a request to a background, building an xmlHttp and waiting a server to respond. When the attributive value of the xmlHttp is 4, it is indicated that the request is finished, a corresponding ready state is reached, and a status code always maintains at 220. The method has the advantages that transient white screen, flashing and delaying phenomena cannot occur during loading of the webpage, load of the server is greatly reduced and a user feels smoother.