30results about How to "Unable to sync" patented technology

The invention discloses a synchronizing system compatible with various clocks and a synchronizing method thereof. The synchronizing system comprises an external clock matching and amplifying unit and other units. The external clock matching and amplifying unit is connected with a first multivibrator 10MHz frequency-selecting unit and a clock driving unit, a first 10MHz band-pass filter amplifying unit is connected with the first multivibrator 10MHz frequency-selecting unit and an internal and external reference clock selecting unit, a internal time base signal generating unit is connected with a second multivibrator 10MHz frequency-selecting unit, a second 0MHz band-pass filter amplifying unit is connected with connected with the second multivibrator 10MHz frequency-selecting unit and the internal and external reference clock selecting unit, and the clock driving unit is connected with a control unit and the internal and external reference clock selecting unit. The synchronizing system can be compatible with various 1MHz, 2MHz, 5MHz and 10MHz clock inputs, provides a 10MHz clock output and can select 1MHz, 2MHz, 5MHzclock outputs according to external input clock frequency to solve the problem that different clock frequencies cannot be synchronized.

The invention relates to the technical field of splicers, in particular to a synchronization device and a splicing processing system for a splicer. The synchronization device of the present invention includes: a video signal analysis module, a control module, a synchronization signal processing module and a clock processing module. The video signal analysis module analyzes the video signal to obtain the first pixel clock and synchronous signal, divides the frequency of the first pixel clock by two to obtain the second pixel clock; the control module obtains the corresponding frequency multiplication value and division according to the second pixel clock frequency value; the clock processing module calculates the third pixel clock according to the second pixel clock, frequency multiplication value and frequency division value; the synchronization signal processing module uses the third pixel clock as a synchronization clock, and sends a synchronization instruction to one or more splicers so that the synchronizing device and the splicer can run synchronously; the invention solves the problem of synchronizing the input and output of the splicer when the video resolution changes and when there is an error in the refresh frequency, and realizes equipment expansion at the same time.

The invention discloses a novel transmission mode of a straight groove vibration machine and a transmission structure thereof. In the method, a universal coupler is driven by a motor, and an eccentric wheel shaft and an eccentric block group in a bearing seat at the bottom of a groove body are driven by the universal coupler so as to lead the groove body to vibrate regularly. The structure comprises the groove body (1), the lower part of which is connected with the bearing seat (2); the bearing seat (2) is internally provided with the eccentric wheel shaft (7), and two ends of the eccentric wheel shaft (7) are respectively provided with a group of eccentric wheels (3); the eccentric wheel shaft (7) is connected with the universal coupler (4); and the other end of the universal coupler (4)is connected with an output shaft of the motor (5). The invention effectively eliminates the twist of the groove body caused by asynchronous vibration sources, and the common motor replaces the expensive vibration motor, thus reducing the requirement on the groove body stiffness, improving the stability of the vibration machine, and leading the grinding vibration to be stable. The invention has good grinding effect, saves the cost, and is convenient for maintenance.

The invention provides a multilevel architecture for data synchronization, a data synchronization method and a fault handling method, belonging to the technical field of database data synchronization. The multilevel architecture comprises a top-level domain and a plurality of secondary-level domains which are sequentially connected; to-be-synchronized data is issued to a first stage of secondary-level domain from the top-level domain; after that, the to-be-synchronized data is issued to a second stage of secondary-level domain by the first stage of secondary-level domain and is then issued stage by stage. Each stage of secondary-level domain comprises a plurality of servers, wherein one of the servers is a master server, and others are slave servers; each master server is used for receiving the to-be-synchronized data and forwarding the to-be-synchronized data to all the slave servers in the corresponding secondary-level domain after data synchronization is finished; the secondary servers are used for receiving the to-be-synchronized data and completing data synchronization. The multilevel architecture can solve the problem that data cannot be synchronized due to the fault of the master servers by replacing the master servers in the secondary-level domains without needing to find out the specific cause of the fault and eliminate the fault.

The present application discloses an audio and video playing method, device, device and storage medium, the method comprising: determining the first file start position of the audio data and the second file start position of the video data of the target audio and video; when the When the amount of storable data between the first file start position and the second file start position is greater than or equal to a preset threshold, the audio data and video data are read respectively based on dual IO channels; according to the read audio data sort the read audio data and video data; and play the target audio and video based on the sorted audio data and video data. Utilizing the technical solution provided by this application can solve the problems of low effective data transmission on the network and the inability to synchronize audio data and video data, and ensure the synchronization of audio data and video data during decoding and playback, avoiding the phenomenon of stuttering.

The invention provides a signal synchronization method and a system thereof. The method is characterized in that a transmitter generates a short sequence and a long sequence according to a bandwidth of a leading signal which is about to be sent; the leading signal which successively includes a plurality of repeated short sequences and the at least one long sequence is modulated to a communication channel and is sent; a receiver detects whether to acquire a signal of a communication satellite and receives the leading signal; if the signal of the communication satellite is acquired, a search window is used to search each short sequence ending position and carry out coarse synchronization; if the signal of the communication satellite is not acquired, a preset search window is slide in preset transmission time, received baseband signals in the transmission time are traversed, each short sequence ending position is searched and based on the short sequence ending position, the coarse synchronization is performed; and mutual correlation is performed on the received long sequence, and based on an acquired mutual correlation peak value, signal synchronization is further performed. In the prior art, synchronization is not accurate and an operand is large. By using the method and the system of the invention, the above problems are solved.

An LCD panel with touch function is provided, which comprises a plurality of scanning beams set along the horizontal direction and a plurality of date wires set along the vertical direction, as well as the first and the second pixels which are separately enclosed by two adjacent scanning beams and two adjacent data wires. The first pixel comprises the first sistor while the second pixel comprisesthe second and the third sistor. The grids of the second and the third sistors are respectively electrically connected with two adjacent scanning beams; the source electrode of the second sistor is electrically connected with a photoreceptor; the drain electrode of the second sistor is electrically connected with the reading wire; the reading line is set along the vertical direction, and one end of which is electrically connected with switching element and signal processor.

The invention discloses an FC network time synchronization method based on a complex network structure, and relates to the field of FC network time synchronization methods. The method comprises the steps that 1, device IDs and master clock ID values of all devices are set, the initial values are the device IDs, ID primitives are generated, and the priorities of all the devices are set; 2, the device sends an ID primitive and a time primitive to an adjacent device, and timing is started at the same time; step 3, the adjacent device receives and analyzes the ID primitive, and replies the ID _ RDY primitive to the device; 4, after receiving the ID _ RDY primitive sent by the adjacent device, the device stops timing and calculates the time difference; step 5, the devices are synchronized according to the set priorities and the master clock ID values of the synchronized devices are updated to complete priority transmission; according to the method, the problem that FC network time of a complex network structure cannot be synchronized due to the fact that priority of existing FC equipment cannot be transmitted is solved, and the effects of achieving priority transmission and time synchronization of all FC equipment are achieved.

The present application relates to a control method, device, computer equipment and storage medium for audio and video synchronization of streaming media. The method includes: when the audio signal is acquired, triggering the controller to start transporting audio data corresponding to the audio signal; when the transport is completed, acquiring time stamp information corresponding to the audio data, the time stamp information is based on the Determine the time when the hardware interrupts; cache the audio data and the corresponding timestamp information in the cache library; when the application program obtains the audio data from the cache library, send the audio data carrying the timestamp information to the application. The adoption of the method can ensure that the application program can normally perform the audio and video communication synchronization processing, thereby effectively solving the problem that the audio and video cannot be synchronized in the streaming media.

The method for producing high-accuracy delayed signal by using multiple signal source includes the following steps: providing several signal sources; in which between any two adjacent signal sources its difference is a clock period; responsing said several signal sources to respectively produce first and second output signals in first and second times; making said output signals undergo the process of one logic operation treatment to obtain a delay signal. At the same time said invention also provides an aquipment for implementing said method. Said equipment includes a multiple signal soruce generation device, a signal source output selection device and a logic operation device.

The invention relates to a control system for a multi-axis servo motor which comprises a position ring module for receiving a position ring set value and a position feedback value of each axis and calculating a speed ring set value, a speed ring module for receiving a speed ring set value and a speed feedback value of each axis and calculating a current ring set value, a current ring module for receiving a current ring set value and a current feedback value of each axis and outputting a current ring output value, a pulse width modulation signal generating module for receiving the current ringoutput value from the current ring module and generating a pulse width modulation signal for controlling the servo motor of each axis, and a multi-axis sequential control module for controlling the signal receiving and processing of the position ring module, the speed ring module, the current ring module and the pulse width modulation signal generating module. The control system for a multi-axis servo motor of the invention solves the problem that a single axis servo controlling each axis to separately drive can not be synchronous and the electromagnetic interference between axes is efficiently decreased.