64 results about "Synchronization networks" patented technology

The invention provides a multi-path cooperation method, device and equipment for a cluster quadruped inspection robot, and the method comprises the steps: obtaining gait dynamics data and topographic data, and recognizing a topographic adaptive rhythm based on the spectrum decomposition of a foot end contact force sequence; converting the topographic data into a potential energy gradient field to construct a dynamic potential energy diagram, and generating a natural path network; a cooperative trigger point is set based on the stable support moment, a path ripple field is formed, and a multi-machine cooperative potential well is constructed; decomposing the path network into a dominant task chain and an auxiliary task chain, and weaving to form an initial collaborative path; rigid nodes and flexible sections are identified through topological transformation, and random disturbance is injected to reconstruct a self-adaptive collaborative path; gait phase information is extracted to construct a synchronous network, a potential energy flow vector is used for phase alignment to generate a group resonance frequency, and a resonance cooperation path is formed; and finally, an execution instruction is generated based on the resonance cooperation path and the terrain adaptability rhythm, and multi-path cooperation of the cluster quadruped inspection robot in the complex terrain environment is achieved.

The invention relates to the technical field of time synchronization, and discloses a hybrid time service method based on Beidou satellite navigation and a TSN, which comprises the following steps: acquiring network topology structure information and historical time service error data of each synchronization node in a target distributed system, and constructing a dynamic time delay state set for jitter identification; based on the dynamic time delay state set, a current global time reference is extracted through a time calibration algorithm, a time difference reference vector sequence is generated, and initial synchronization adjustment is carried out on the TSN main node; constructing an inter-node clock convergence function curve according to the slave node response stability, and judging whether the synchronous network is in a low jitter interval or not based on the time offset rate and the time drift trend change; in combination with the node time state after directional offset suppression, a multi-channel redundant time synchronization mechanism in a time window is applied, a weight adjustment coefficient is extracted, and an unbalanced calibration factor is introduced; and according to a regression correction result, evaluating a time service stability index in real time. The method has the advantage of improving the time service stability.

The invention provides a data stream parallel acceleration processing method and system in chip design, and relates to the technical field of chip design, and the method comprises the steps: partitioning a data stream through a preset scale, building a computing resource pool with graded computing power and a storage resource pool with graded access speed, and achieving the optimal distribution of storage resources and calculation tasks; dividing parallel processing units, and determining a data processing sequence; setting a shared cache area to establish a distributed cache synchronization network, and realizing synchronization control based on a cache identifier and a Lamport logic clock mechanism; and generating a resource competition degree matrix, and rearranging the task according to the access popularity map. According to the method, the data stream processing efficiency and the resource utilization rate of the chip are improved, and resource competition conflicts are reduced.

The invention discloses a power equipment multi-band signal comprehensive detection method, which comprises the following steps: deploying a multi-band sensor, and synchronously coupling and collecting an original composite signal; distributing a unified clock signal to each monitoring point based on an optical fiber synchronous network, and controlling an acquisition channel to synchronously acquire an original composite signal; preprocessing and performing frequency band separation on the original composite signal, and outputting a plurality of sub-frequency bands; and extracting signal features from the sub-bands, outputting a multi-dimensional feature vector to a pre-trained deep learning diagnosis model, outputting a combined diagnosis result, and calculating spatial position coordinates of the discharge source. Electrician frequency, overvoltage and partial discharge signals are integrally acquired through the multi-frequency-band sensor, high-precision time alignment acquisition of multi-parameter signals is realized in combination with a subnanosecond optical fiber synchronization technology, intelligent analysis is performed by adopting a double-branch deep neural network for parallel processing of time domain and frequency domain characteristics, and the accuracy and the reliability of the system are improved. And the combined diagnosis precision and the early warning capability of complex insulation defects and overvoltage events are obviously improved.

One or more devices, systems, methods, may implement one or more techniques to provide sporting event content to a consumer. One or more techniques may receive a request for enhanced content from a consumer, wherein the request specifies desired real-time inputs to enhance the consumer's sporting event experience. One or more real-time audio highlights, video clips, and / or statistical insights is generated based on the sporting event. A storage location retrieves real-time inputs requested by the consumer and synchronizes them with a monitored broadcasted event. A network connects a content access device and the storage location, enabling transmission of the synchronized enhanced content from the storage location to the content access device in real-time during the sporting event.

The application relates to the technical field of time synchronization, and discloses a mixed time service method based on Beidou satellite navigation and TSN, which comprises the following steps: acquiring network topology structure information and historical time service error data of each synchronization node in a target distributed system, and constructing a dynamic time delay state set for jitter identification; based on the dynamic time delay state set, a current global time reference is extracted through a time calibration algorithm, a time difference reference vector sequence is generated, and initial synchronization adjustment is carried out on a TSN master node; according to the response stability of a slave node, a clock convergence function curve between nodes is constructed, whether the synchronization network is in a low jitter interval is judged based on time offset rate and time drift trend change; in combination with the node time state after directional offset suppression, a multi-channel redundant time adjustment mechanism in a time window is applied, a weight adjustment coefficient is extracted, and a non-uniform calibration factor is introduced; and according to a regression correction result, a time service stability index is evaluated in real time. The application has the advantages of improving time service stability.

The invention belongs to the technical field of mining machinery automation control, and relates to a hydraulic support multi-objective optimization control method for temporary support of mine roadway tunneling, which comprises the following steps: constructing a state vector and a continuous state equation of a hydraulic support system and discretizing to obtain a discrete state space model; displacement and pressure synchronous tracking of the hydraulic support system is taken as a target, a model prediction controller is adopted to carry out rolling optimization search of a control quantity under a variable constraint condition, an expansion state observer is combined to estimate total disturbance of the hydraulic support system in real time, the total disturbance is fed forward and compensated into the model prediction controller, and a final control quantity is generated; and constructing an asymmetric coupling synchronous network by taking the master cylinder as a benchmark, and forming cooperative control of the master cylinder and the slave cylinder by adopting a synchronous deviation mechanism and a final control quantity to finish multi-objective optimization control of the hydraulic support. According to the invention, safe, efficient, stable and energy-saving accurate control of a single hydraulic column and multi-target cooperative control of pump-controlled multiple hydraulic columns can be realized.

In a wireless communication system, a user equipment (UE) may measure synchronization signal blocks (SSBs) to evaluate neighbor cells. A UE configured with multiple potential receive beams may conventionally measure one receive beam per SSB. A UE may improve the speed of receive beam measurements by performing measurements using demodulation reference signals (DMRS) of physical broadcast channel (PBCH) symbols, which occur twice per SSB. The UE may perform a cell search for neighbor cells available to the UE in a synchronized network to determine a number of the neighbor cells and timing information for each of the neighbor cells. The UE may measure one or more receive beams using the DMRs of the PBCHs of SSBs received from the neighbor cells. Each receive beam may be measured during a beam switch time unit including a PBCH symbol from each of the neighbor cells according to the timing information.

Systems and methods for synchronizing networks are described. A phase monitor circuit can determine at least one phase offset among a plurality of reference clock signals. A timing circuit can generate an output clock signal using a primary reference clock. The primary reference clock can be among the plurality of reference clock signals. The timing circuit can determine failure of the primary reference clock. The timing circuit can, in response to the failure of the primary reference clock, generate the output clock signal using a specific phase offset and a secondary reference clock for the PLL. The specific phase offset can be among the at least one phase offset determined by the phase monitor circuit, the specific phase offset is between the primary reference clock and the secondary reference clock, and the secondary reference clock can be among the plurality of reference clock signals.

This invention discloses a network synchronization device that may include a matched filter. The matched filter may be configured to generate an event for synchronizing the operation of elements in the network, at least in part in response to a timing frame generated at a network switch. The event for synchronizing the operation of the element may include a first event generated at least in part in response to first information associated with a first element and a second event generated at least in part in response to second information associated with a second element. Related systems and methods are also disclosed.

Systems and methods for synchronizing networks are described. A phase monitor circuit can determine at least one phase offset among a plurality of reference clock signals. A timing circuit can generate an output clock signal using a primary reference clock. The primary reference clock can be among the plurality of reference clock signals. The timing circuit can determine failure of the primary reference clock. The timing circuit can, in response to the failure of the primary reference clock, generate the output clock signal using a specific phase offset and a secondary reference clock for the PLL. The specific phase offset can be among the at least one phase offset determined by the phase monitor circuit, the specific phase offset is between the primary reference clock and the secondary reference clock, and the secondary reference clock can be among the plurality of reference clock signals.

The invention relates to a naval vessel-oriented double-center high-availability storage method, which comprises the following steps: S100, a cloud platform sends first data to a main storage unit and a computing unit through a storage network, and the main storage unit acquires and stores the first data; s200, after the calculation unit obtains the first data, processing the first data to generate second data, and sending the second data to a main storage unit; and S300, a backup storage unit corresponding to the main storage unit obtains all data from the main storage unit through a synchronous network, and data backup is carried out through the backup storage unit. The safety of the naval vessel data is improved, and the combat ability of the naval vessel is ensured.

Systems and methods for exchanging synchronization information between various processing units using a synchronization network are disclosed. Systems and methods of the present disclosure include a device that includes a host and associated various neural processing units. Each neural processing unit can include a command communication module and a synchronization communication module. The command communication module can include circuitry for communicating with the host device over a host network. The synchronization communication module can include circuitry that enables communication between the various neural processing units over a synchronization network. The various neural processing units can be configured to obtain a synchronized update of a machine learning model by each neural processing unit. The synchronized update can be obtained at least in part by exchanging synchronization information using the synchronization network. Each neural processing unit can maintain a version of the machine learning model and can synchronize the version using the synchronized update.

The invention provides a control system of a mobile radio station, which is characterized in that a starting state machine is arranged in an ad hoc network and network access management module, the starting state machine is triggered to execute a channel scanning mechanism and a network discovery mechanism according to a power-on instruction, and networking state updating of the starting state machine is triggered according to scanning and discovery results; corresponding channel connection and networking operation are executed according to the networking state; the talkback and multicast control module is used for managing communication sessions among network nodes, creating and managing a plurality of independent audio and video multicast groups, and dynamically adjusting time slot distribution or code word distribution of each multicast group according to the network load condition; and the link information synchronization module is used for collecting, processing and synchronizing link state information among the nodes in the network, and broadcasting link update information to the nodes in the network in a multicast mode. According to the invention, the network access time of the mobile equipment can be obviously shortened, and multimedia communication of large-scale nodes can be effectively supported in a same-frequency environment.

The invention relates to a method and a system for simulating internal noise of a slave clock in a master-slave synchronization network in the technical field of clock synchronization. The method comprises the following steps: establishing a first equivalent model and a second equivalent model; generating a first phase-locked loop output power spectral density function based on the first equivalent model, and generating a second phase-locked loop output power spectral density function based on the second equivalent model; calculating equivalent loop bandwidth conditions of the first equivalent model and the second equivalent model; a second phase-locked loop output power spectral density function is updated by using a loop bandwidth condition, a gain coefficient and a slave clock bandwidth of a second equivalent model are calculated by using a TDEV template and an MTIE template, and the second phase-locked loop output power spectral density function is updated for the second time to obtain a noise generation time domain function; the problem that the stability of the slave clock cannot be accurately simulated due to the fact that the MTIE corresponding to the generated time domain noise exceeds the limit of the MTIE template because only the TDEV template is considered and the MTIE template is not considered in the existing method for simulating the internal noise of the slave clock is solved.

This application relates to an auxiliary analysis system based on neural activity synchronization, comprising: a cooperative task output module that outputs a multi-person cooperative task; a task execution module that adjusts the synchronous participation of each target object in the cooperative task within the same time window based on the multi-person cooperative task; a data acquisition module that collects brain function signals and behavioral data of each target object during the execution of the multi-person cooperative task; an interference control module that collects interference information; a group neural activity synchronization calculation module that, based on the collected brain function signals, behavioral data, and interference information of each target object, quantifies the neural activity synchronization of any two target objects during the cooperative task to obtain a neural activity synchronization index; a group synchronization index and a group synchronization network structure are obtained based on the neural activity synchronization index; and a risk monitoring module that obtains auxiliary analysis results. This system can achieve objective auxiliary identification, dynamic assessment, and closed-loop optimization of ASD risk status.

The invention discloses a networking method and device of a time division multiplexing frequency hopping mesh network and electronic equipment, and relates to the field of wireless communication networks. The method comprises the following steps: synchronizing clocks of a root node and all child nodes of the Mesh network, and dividing time slots to obtain a plurality of time slot intervals; at the beginning of each time slot interval, determining that the communication direction of a father node in the Mesh network is an uplink direction or a downlink direction, and determining that the communication direction of each child node is opposite to the communication direction of the corresponding father node; determining a communication frequency point of each node according to the node MAC address and the number of the current time slot interval; and controlling each node to transmit and receive data according to the corresponding communication direction and communication frequency point in the current time slot interval. According to the invention, the technical problem that the Mesh networking scheme in the prior art is difficult to give consideration to high capacity, low interference and stability in a complex multi-hop environment is solved.

The application provides a terminal quantum time synchronization network method and system, comprising: a center node uses an integrated microcavity optical frequency comb as an entanglement source to obtain a plurality of pairs of signal light and idle light, which are used for time synchronization of each node; separated signal light reaches a terminal node after transmission through an optical fiber link; the terminal node has a probability of absorbing or reflecting the signal light, so that the signal light reenters the center node; the idle light has a probability of generating sum frequency effect with the reflected signal light in a sum frequency module; a computer of the center node dynamically adjusts the clock difference settlement according to the sum frequency signal, so that the separated signal light and the idle light experience the same propagation time when being transmitted in the optical fiber, and clock difference settlement is realized. The application realizes time synchronization of multiple terminals at the same time; clock difference between two places is detected by using sum frequency effect, which is performed in an optical domain, and time precision is high, which is femtosecond order; the integrated microcavity optical frequency comb is used as the entanglement source, a large number of entanglement pairs can be provided at the same time, and the network scale is convenient to expand and the topology is flexible.

Semiconductor devices for synchronizing networks are described. The semiconductor device includes a timing circuit having a sub-sampling phase lock loop. The sub-sampling phase lock loop includes a radio frequency sampler circuit that is configured to generate at least one error signal corresponding to a phase difference between an output signal of a voltage-controlled oscillator and a reference signal and a transconductor circuit that is configured to generate a tuning signal based on the at least one error signal. The tuning signal is configured to tune the voltage-controlled oscillator. The sub-sampling phase lock loop further includes an adaptive bias circuit that is configured to generate a nulling signal based on an offset in the tuning signal created by the transconductor circuit and provide the nulling signal to the transconductor circuit. The transconductor circuit is configured to adjust the tuning signal based on the nulling signal.

This invention provides a multi-channel audio and video synchronous network transmitter, including a housing with a top cover. Symmetrical through-slots are formed on both sides of the housing. A cooling fan is mounted on the lower surface of the top cover. A heat dissipation assembly is provided on the housing. The heat dissipation assembly includes a support mesh, a guide sleeve, a magnetic ring, a mounting cover, an external filter plate, a spring, a fixing seat, and a guide rod. The guide sleeve is fixedly connected to the outer wall of the housing and corresponds to the position of the through-slots. With the help of the cooling fan, external air enters the housing through the through-slots on both sides and is then exhausted from the top, thus achieving heat dissipation. During this process, the air entering the housing is filtered by a filter element to ensure clean air and prevent dust and impurities from adhering to the circuit board.

Systems, methods, and computer readable medium are disclosed for synchronizing network and endpoint security protocols. synchronizing network and endpoint security protocols includes receiving a device posture from an application running on an edge device; receiving from a server in communication with the edge device, network traffic information associated with the edge device; correlating the device posture and the network traffic information; and implementing a network security policy based on the correlation such that both the device posture from the edge device and the network traffic information from the server are used to enforce the network security policy.

Semiconductor devices for synchronizing networks are described. A semiconductor device can include a phase lock loop of a timing circuit. The phase lock loop includes a voltage-controlled oscillator, a sub-sampling phase lock loop circuit and a frequency correction loop circuit. The frequency correction loop circuit is configured to activate a charge pump to inject a charge into the voltage-controlled oscillator based on a phase difference between a reference signal and a feedback signal being greater in magnitude than a deadzone delay parameter plus a hysteresis delay parameter and de-activate the charge pump based on the magnitude of the phase difference between the reference signal and the feedback signal falling below the deadzone delay parameter.

The invention belongs to the technical field of integrated circuits, and particularly relates to an ultra-small-area four-core voltage-controlled oscillator based on a folded ring transformer. The device comprises a folding ring transformer, four oscillators which are mutually coupled through a multi-channel electromagnetic synchronous network, capacitors A in the oscillators and capacitors B among the oscillators, the folded ring transformer is used as an inductive load of the oscillator, so that the occupied area of the four-core voltage-controlled oscillator can be greatly reduced, and meanwhile, a four-channel magnetic field synchronous network is provided to realize a high quality factor under differential-mode fundamental frequency and common-mode second-order harmonic waves; the capacitor A and the capacitor B can adjust the oscillation frequency, provide two additional electric field synchronization paths and form a multi-channel electromagnetic synchronization network together with the folded ring transformer so as to reduce phase noise degradation caused by frequency mismatch between cores. And the four oscillators oscillate under the same resonant frequency through the multi-channel electromagnetic synchronous network. The filter has the advantages of being ultra-small in area, low in noise, ultra-low in frequency mismatch, high in quality factor and the like.

The invention relates to the technical field of communication, and discloses a clock synchronization network and method, an FPGA chip and a clock synchronization network, the clock synchronization network comprises a clock processing module and a routing module, the clock processing module is in bidirectional communication connection with the routing module, and the clock processing module is used for generating a receiving clock signal based on a reference clock signal; adjusting the reference clock signal based on the adjusting clock signal to obtain a sending clock signal; the routing module is used for sending the receiving clock signal and the sending clock signal to each communication channel; and a receiving clock signal of any communication channel is used as an adjusting clock signal and is sent to the clock processing module, so that the clock in the sending direction follows the clock in the receiving direction, and the core advantages of low time delay and low jitter of the synchronous network are ensured.

The application provides a ground satellite signal distributed cooperative processing method and system, and relates to the technical field of communication.The method comprises the following steps: extracting a user MAC address hash value, an emergency priority code and a spectrum occupation matrix from a synchronization network to generate a triple feature vector; transmitting the triple feature vector through a double-layer Mesh network, selecting two reference target points with fixed geographic coordinates in a disaster area to obtain three-dimensional coordinates and construct a space reference straight line; calculating the perpendicular projection distance of each node to the space reference straight line according to real-time position data of each node to generate a node offset parameter; dynamically generating a refraction correction coefficient of a signal propagation path based on the comparison result of the node offset parameter and a preset threshold value; and when the offset exceeds the threshold value, using a piecewise linear interpolation method to increase the correction weight. The application can realize high-reliability and low-latency emergency communication coverage.

Methods, systems, and devices for wireless communications are described. A network entity may transmit a pre- synchronization signal (SSB) signal using a low complexity waveform (e.g., a frequency modulated continuous wave (FMCW)). The UE may perform cell detection and coarse synchronization upon receiving FMCWs. The network entity may transmit FMCWs (e.g., pre-SSB FMCW transmissions) over a set of raster points in the frequency domain according to a first periodicity, and may transmit SSBs (e.g., including SSSs and a PBCH, but no PSS) at a second periodicity. The UE may perform FMCW burst detection procedures to receive the FMCWs. The UE may therefore perform low-complexity cell detection and synchronization without increasing resource expenditures by the network entity, resulting in efficient cell detection and synchronization, decreased power expenditures by the UE, decreased signaling overhead by the network entity, and improved user experience.

The present invention relates to the technical field of packet time synchronization, and provides a method and device for handling the failure of a packet synchronization channel. The method includes that a port in the Slave state detects a packet channel failure event, strips the port from the master decision domain time source information set, and makes a status decision based on the separated sub-decision domain time source information set and the master decision domain time source information set, and the result is the monitoring state or the master clock state. The present invention solves the lack of a processing solution after the introduction of a packet synchronization channel failure event, associates the synchronization OAM event with the synchronization path decision, and improves the reliability of the operation of the synchronization network.

The embodiment of the invention provides a data preparation method and device, electronic equipment and a storage medium. The method comprises the steps that an input video is cut into at least one short video only containing a single sentence; performing face detection on the short video, and identifying character information in the short video; matching the voice information corresponding to the short video with the character information, and determining a pronunciation character corresponding to the short video; intercepting a face area of a pronunciation character from the short video and storing the face area into a first data set; the target training data set is determined according to the first data set, the problem that data preparation of a current mainstream scheme completely depends on an output result of an audio and video synchronization network, and consequently the reliability and robustness of a data preparation method are low is solved, and then the data preparation efficiency is improved.

The present disclosure provides a method and device for generating a lip driving model, electronic equipment and storage medium, relating to the technical field of artificial intelligence, in particular to the technical field of computer vision, augmented reality, virtual reality, deep learning and the like, and can be applied to the scene of meta universe, virtual digital person and the like. It comprises: inputting audio data, a mask image and a reference face image into an initial lip driving model to obtain a lip image; determining a first loss according to the difference between the lip image and a sample face image; inputting the audio data and the lip image into a plurality of synchronization networks generated based on different types of speech respectively to obtain a second loss output by each synchronization network, and correcting the initial lip driving model according to the first loss and the minimum value of the plurality of second losses to obtain a lip driving model. Thus, the generated lip driving model can have high accuracy in different types of speech scenarios.

The invention relates to the technical field of communication, and provides a time synchronization network operation quality comprehensive evaluation method comprising the following steps: constructing a time synchronization network operation quality evaluation index system based on time synchronization network composition and a quality target; determining the weight of each level of evaluation index by combining qualitative analysis and quantitative calculation; based on the time synchronization network operation basic data and in combination with a time synchronization network operation quality evaluation index system, calculating evaluation index values of all levels; calculating a total score of the operation quality of the time synchronization network according to the evaluation index values of all levels; determining the operation quality grade of the time synchronization network based on the total score of the operation quality of the time synchronization network; and comprehensively evaluating the network operation quality based on the total score of the time synchronization network operation quality and the quality grade, and outputting a quality evaluation report. According to the invention, the network operation maintenance management efficiency and level can be improved, and the time service guarantee efficiency of the time synchronization network is improved.