29 results about "Coordinated Universal Time" patented technology

The application relates to the field of meteorological data processing and satellite navigation application, and provides a multi-source meteorological data fusion method and system based on a Beidou space-time reference. The method comprises the following steps: acquiring Beidou data and multi-source meteorological data to be fused, taking the coordinated universal time timestamp output by a Beidou ground-based enhancement station as a global time reference, and setting a sliding window; taking the world geodetic coordinate system corresponding to the Beidou positioning data as a space reference, resampling the multi-source meteorological data to a preset standard grid, and combining terrain elevation data to construct a unified space coordinate system; calculating the confidence degrees of fused static terrain features and dynamic change features based on Beidou satellite orbit residual and clock difference parameters, adjusting the feature weights of the fused static terrain features and dynamic change features, and generating an enhanced fusion feature matrix.

A system, comprising: transmitter (Tx); first receiver; second receiver. Wherein, method of synchronisation comprises: at first receiver (Rx1): receiving Co-ordinated Universal Time (UTC) signal (from

The embodiment of the application provides a temperature control method, system, vehicle and computer readable storage medium, the method comprises: receiving temperature adjustment information and target vehicle time sent by a man-machine interaction terminal, wherein the target vehicle time is the coordinated universal time obtained by converting the local vehicle time set in advance based on the target time zone, and the target time zone includes the current time zone of the man-machine interaction terminal or the preselected time zone; in the case that the vehicle and the external power supply device establish a connection, the temperature of the power battery of the vehicle is adjusted by using the electric energy of the external power supply device, so that the power battery reaches the temperature range corresponding to the temperature adjustment information at the target vehicle time. The application solves the technical problems of unreliable and inaccurate response of the power battery reservation type preheating control function based on the grid electric energy due to the lack of a unified time reference.

The application discloses a kind of security monitoring analysis system and method applied to electronic ticket platform, it is related to information security technical field, to solve the time difference attack problem of state synchronization delay implementation in distributed ticket system;Method includes: monitoring system captures multiple operation request sequences to the same ticket in specific time window;Respectively from business access end and distributed account book obtain the local trusted time stamp and block confirmation time stamp of each operation;After uniform to coordinated universal time benchmark, traversal all operation to execution serialization logic judgment: when the local time of operation one is earlier than operation two, but its on-chain confirmation time is later than operation two, it is judged that there is timing logic paradox;Accordingly, it is determined that fraudulent attack occurs and generates tamper-proof security audit report and pushes to regulatory party;The application realizes accurate insight into hidden fraud by cross-validation of double-source time stamp, fills the blind area of existing monitoring technology.

The invention discloses a system and a method for testing current transformers among transformer substations. The system comprises a mobile master station unit, a plurality of field data acquisition units and a portable standard current transformer. All the units are synchronized to coordinated world time through a global navigation satellite system; the mobile master station unit sets future absolute trigger time, and realizes synchronous acquisition of secondary signals of the current transformer to be detected and the portable standard current transformer by multi-station hardware; based on a standard truth value obtained by a main station self-monitoring loop, amplitude correction factor and phase correction calculation is carried out on each substation signal, and error compensation is completed; furthermore, high-precision and traceable ratio error and angle error results are output through frequency adaptive interception, windowing interpolation spectrum analysis and uncertainty evaluation. According to the invention, power failure is not needed, synchronous, high-precision and traceable comparison of multi-station current transformers can be realized in a wide area range, and the reliability of a power grid metering and protection system is improved.

A method for data transmission in non-terrestrial network (NTN) communication. A base station transmits one or more types of configuration information to a store and forward (S&F) capable user equipment (UE). The one or more types of configuration information comprises one or more of an S&F operation indication, a coordinated universal time (UTC) time related to a transition from an S&F mode to a normal mode, and a UTC time related to a transition from the normal mode to the S&F mode. In the configuration information, the S&F operation indication having a first value showing that the UE is not barred from the satellite; the S&F operation indication having a second value showing that the UE is barred from the satellite; or absence of the S&F operation indication shows that a feeder link of the satellite is available.

Embodiments of the present application disclose a time-keeping method and device for a distributed laboratory system, electronic equipment and a storage medium. Calibration data of a coordinated universal time traceability module and clock difference data and corresponding stabilities of at least two time-keeping clocks in the distributed laboratory system are obtained. A local atomic time is determined according to the clock difference data and the corresponding stabilities. It is determined whether the coordinated universal time traceability module is operating normally. If yes, the local atomic time is calibrated according to the calibration data to obtain a standard time. If not, reference data of a reference clock and prediction data of a virtual coordinated universal time prediction module and corresponding uncertainties thereof are obtained, and the local atomic time is calibrated according to the reference data and the prediction data and the corresponding uncertainties to obtain the standard time. Embodiments of the present application improve the disaster recovery performance and safety of the generation of the standard time of the distributed laboratory system.

The application discloses a Wi-Fi precise time measurement double-terminal cooperative positioning method based on error correction and fingerprint matching constraint, which comprises the following steps: in an offline stage, a basic fingerprint database containing position information and angle information is constructed; in a single-point positioning stage, systematic error correction is performed on Wi-Fi precise time measurement original ranging values collected by double terminals to obtain initial positioning results; in a time matching stage, observation epochs of the double terminals are matched based on coordinated universal time to obtain synchronized observation data; in a fingerprint matching stage, double fingerprint matching is performed based on the initial positioning results and the fingerprint database to estimate real-time distances between the double terminals; in a cooperative positioning stage, the real-time distances are taken as geometric constraints, combined observation equations are constructed with the corrected ranging values, and the double-terminal final cooperative positioning results are solved. Through error correction, the single-point positioning precision is improved, distance constraints between the terminals are constructed by using angle fingerprint matching, and high-precision, low-cost and low-power indoor cooperative positioning is realized.

1. Name of the product in this design: Graphical User Interface for Ship Monitoring Information of Electronic Equipment. 2. Application of this design: This design is intended for use in an electronic device. 3. The key design features of this product are its graphical user interface. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. Electronic devices are designed in a conventional way, so other views are omitted. 6. Design 1 is designated as the basic design. 7. Purpose of Graphical User Interface: Graphical user interfaces are used to display important information during ship navigation. The left side of the main views for Designs 1-6 displays the ship's position, attitude information, yaw information, fuel consumption information for various equipment, route, and trajectory. The right side of the main view for Design 1 displays navigation overview information. The right side of the main view for Design 2 displays auxiliary message information. The right side of the main view for Design 3 displays historical voyage information, and the selected voyage can be edited or deleted below. The right side of the main view for Design 4 displays historical refueling and berthing records, and the selected records can be edited or deleted below. The right side of the main view for Design 5 displays local time, Coordinated Universal Time (UTC), and Beijing time information, and the clock-setting record can be entered below, recording the clock-setting time, time zone, and current time. The right side of the main view for Design 6 displays basic ship information.

The application relates to the technical field of communication, in particular to a method and device for generating a bill of eSIM multi-vendor signal data. The method comprises the following steps: obtaining an original data packet of a vendor; activating a corresponding synchronization strategy processor according to the type of a time source identification (TSI) in the original data packet, so as to obtain a coordinated universal time (UTC) benchmark alignment unified timestamp; calculating a positive buffer and a negative buffer based on the obtained network delay jitter and packet loss rate; determining an elastic billing time window according to the unified timestamp, the positive buffer and the negative buffer; aligning multi-vendor original event streams based on the elastic billing time window, and constructing a time-sequenced logical consistent ordered event sequence; and generating a unified bill according to the ordered event sequence and a billing rule set.

Example embodiments of the present disclosure are directed to time reporting in artificial intelligence (AI) machine learning (ML) data collection. A method comprises receiving, at a first apparatus and from a second apparatus, a timestamp configuration associated with AI / ML data collection; determining, based on the timestamp configuration, timestamp information associated with data generated by the first apparatus, wherein the timestamp information comprises Universal Time Coordinated (UTC) time information included based on a condition; and transmitting the data and the timestamp information. In this way, the UTC time information may be included in the timestamp information based on the condition, rather than being always included in the timestamp information for time reporting. As such, efficient delivery of the timestamp information for AI / ML data collection can be achieved.

The application discloses a satellite-based time service method and device, electronic equipment and storage medium, comprising: receiving a short message signal of a geosynchronous satellite, the short message signal comprising an uplink time delay of a standard time sent by a ground control center to the geosynchronous satellite; receiving a navigation message of the geosynchronous satellite and obtaining a correction parameter of coordinated universal time from the navigation message; calculating a downlink time delay of the geosynchronous satellite to a time service device based on the uplink time delay; calculating a local time of the time service device by using the standard time, the uplink time delay, the correction parameter and the downlink time delay; and performing time service by using the local time, without positioning the time service device to calculate the downlink time delay, and without occupying the calculation resources of the ground control center, compared with the prior art, the time service time is shortened, the influence of the calculated position on the time service precision is reduced, and the time service speed and precision are improved.

The invention provides a method, system and medium for satellite orbit extrapolation through GPU acceleration, and the method comprises the steps: generating a plurality of satellite initial orbits according to an STK simulation scene, and enabling the satellite initial orbits to be used for the initial orbit input of each thread of the GPU acceleration orbit extrapolation; constructing a mechanical model of the satellite and a motion differential equation of the satellite according to the motion characteristics of the satellite; loading the initial orbit data of each satellite, the mechanical model data and the time-space conversion parameter data to a GPU; unifying a space-time system of an initial orbit epoch and a mechanical model, converting coordinated world time into centroid dynamics, and converting the space system into a geocentric celestial coordinate system; constructing a global function by utilizing CUDA (Compute Unified Device Architecture), and transmitting a parallel computing task to a task calling unit of a GPU (Graphics Processing Unit) by utilizing the global function; and loading the orbit calculated by the task calling unit in the GPU into the CPU, and carrying out overlapping comparison on the orbit and the orbit of each satellite in the STK. The method can meet the processing requirements of a large number of satellites and mass orbit measurement data.

A system, method and apparatus in which a client computer initiates and communicates a distributed ledger transaction, said transaction labeled with a Coordinated Universal Time or UTC timestamp derived from GPS and / or GNSS satellite signals or, in the absence of GPS, an alternate source of UTC signals. The distributed ledger network nodes are able to send and receive UTC time signals even if there is a GPS and / or GNSS satellite failure.

The invention discloses a safety monitoring analysis system and method applied to an electronic ticketing platform, relates to the technical field of information safety, and aims to solve the problem of time difference attack implemented by using state synchronization delay in a distributed ticketing system. The method comprises the following steps: a monitoring system captures a plurality of operation request sequences for the same bill in a specific time window; acquiring a local trusted timestamp and a block confirmation timestamp of each operation from the service access end and the distributed account book respectively; after the time evidence is unified to the coordinated world time reference, traversing all operation pairs to execute serialized logic judgment: when the local time of the operation I is earlier than that of the operation II, but the chain confirmation time of the operation I is later than that of the operation II, judging that a sequential logic paradox exists; determining that fraudulent attack occurs and generating a non-tampering security audit report to be pushed to a supervisor; according to the invention, through cross validation of the double-source timestamps, accurate insight of hidden fraud is realized, and a blind area of an existing monitoring technology is filled.

A method, computer program product, and computer system for scheduling electronic meetings. A time zone table including a plurality of local time zones is provided. The time zone table includes a plurality of specified dates and an offset from Coordinated Universal Time (UTC) for each of the plurality of local time zones, and for each date the offset from UTC for each time zone includes an adjustment for daylight savings time or no adjustment for daylight savings time. An electronic meeting request for a plurality of users having a plurality of electronic calendars is provided. A primary time zone and a secondary time zone are also provided. The secondary time zone is different from the primary time zone. A primary time zone start time of the meeting request and a secondary time zone start time of the meeting request are determined using the time zone table.

The invention provides a high-precision recording device and method for triggering time and position of an artificial seismic source. The device comprises a satellite positioning time service module which is used for receiving a global navigation satellite system signal, generating a high-precision second pulse signal and outputting a navigation information message containing coordinated world time and latitude and longitude coordinates; the main control and recording module comprises a microcontroller, and the microcontroller is used for determining a high-precision absolute timestamp and latest latitude and longitude coordinates based on the navigation information message and integrating the high-precision absolute timestamp and the latest latitude and longitude coordinates to obtain a complete time-position data record; and the communication and storage interface is used for outputting the complete time-position data record to an external computer. According to the method, microsecond-level seismic source triggering instant recording can be realized, and the triggering time and the accurate geographic position coordinates of the seismic source point are automatically and correctly bound, so that reliable basic data are provided for high-resolution seismic data acquisition.

This invention discloses a high-precision waveform acquisition and time-stamping synchronization system for power grid fault location, relating to the field of power grid waveform synchronization technology. Step one involves synchronously outputting three levels of sampling under the same Coordinated Universal Time (UTC) time axis, and generating upper bounds for time uncertainty and group delay signatures for channels and segments. Step two involves near-lossless quality locking of high-energy segments, followed by encoding and verification of sample location and peak amplitude using a common-source detection kernel; failure to meet the criteria results in lossless rollback. Step three involves writing segment indexes, quality metadata, fragment verification structures, and full-file signatures into a compatible single-file extended container. Step four involves progressive retrieval by index, breakpoint continuation, and cross-site deduplication, along with cold and hot layered storage. Step five involves calculating reference times and generating acceptance lists based on group delay signature compensation and quality-weighted loading. This solution achieves cross-device alignment, reproducibility of key features, peak reduction during transmission and storage, unified playback and evidence collection standards, and considers tool compatibility and auditing.

The application relates to the GPS time service positioning technical field, and discloses a GPS week number flip method of an electronic device, which comprises the following steps: determining whether the current time is within a preset writing time range; judging whether GPS time obtained based on a GPS signal received by the electronic device meets a preset writing condition; and writing a GPS week number flip processing program into the electronic device under the condition that it is judged that the GPS time information meets the preset writing condition. Whether the vehicle speed, vehicle acceleration, coordinated universal time and other parameters meet the writing condition is judged, and the GPS week number flip processing program is written into the electronic device under the condition that the parameters meet the writing condition. The accuracy of the GPS week number flip processing program writing time can be improved after the vehicle speed and other parameters are introduced, and the effectiveness that the writing time does not directly lead to the week number flip can be ensured.

This invention belongs to the field of communication security and unmanned aerial vehicle (UAV) system applications, specifically relating to a low-altitude data encryption method that integrates spatiotemporal attributes. The invention includes: constructing a spatial grid index table for the mission airspace; acquiring the UAV's location information, current Coordinated Universal Time (UTC), and mission type in real time to construct a UAV attribute set; deriving a session key for the current communication cycle using a hash algorithm based on the UAV attribute set and a dedicated key; triggering an update of the session key based on preset trigger conditions; encrypting the session key using a preset access control policy to generate ciphertext; encrypting UAV service data to generate ciphertext payload; and decrypting the data using a dedicated private key held by the ground control station to obtain the session key and restore the UAV service data. This invention improves the data confidentiality and access controllability of the communication link, enhancing the security protection capabilities and airspace compliance of the UAV system.

A method includes determining, by at least one processor, whether a Coordinated Universal Time (UTC) service is communicatively coupled to a communication interface. The method also includes setting a UTC time with (i) a standard UTC time received from the UTC time service or (ii) a local UTC time calculated based on an oscillator frequency of a timer mechanism associated with the at least one processor based on a determination result of whether the UTC time service is communicatively coupled to the communication interface.

The invention provides a multi-station system power grid equivalent impedance identification method based on local measurement information, and belongs to the technical field of grid-connected inverter control. The method comprises the following steps: a station superposes a current power disturbance instruction according to a current reference power generation capacity and then generates power and sends out the power; pCC voltage and current measurement data are measured, a power grid equivalent impedance identification value under a field station view angle is identified by using a recursive least square method with a forgetting factor, and the forgetting factor is dynamically adjusted. The method does not need to inject harmonic signals and does not depend on real-time communication, a station dispatching center only needs to achieve multi-station synchronous white noise power disturbance through coordinated universal time UTC provided by a global positioning system GPS, and based on station local PCC voltage and current measurement data, a variable forgetting factor recursive least square method is adopted after preprocessing, so that the power disturbance of the multi-station synchronous white noise power disturbance is achieved. And parallel identification of the equivalent impedance of the power grid under each station view angle is realized.

Various aspects of the present disclosure generally relate to wireless communications. In some aspects, a user equipment (UE), such as a roadside unit (RSU), located in an area with limited or no global navigation satellite system (GNSS) coverage may cycle sidelink synchronization signal (SLSS) neighbor information, such as in the form of an SLSS neighbor list (SNL). The SLSS neighbor information may include one or more of an index number, an SLSS identifier (ID), a timing source in-coverage flag, an RSU ID, a hop ID, a geographic location, a transmit synchronization offset, a synchronization source, and / or a coordinated world time (UTC) time.

The embodiment of the invention discloses a satellite identity construction method and device, electronic equipment and a computer readable medium. A specific embodiment of the method comprises the following steps: in response to received information of entering a preset track, obtaining a time-space parameter; generating a divided time period information sequence; executing the following construction processing: determining first division time period information; generating a dynamic identity label and aggregated private key information, and sending the dynamic identity label to a preset data sending end; in response to the received encrypted data and additional information, decrypting the encrypted data; obtaining the current coordination world moment again as an updated coordination world moment; and in response to determining that the updating coordination world moment is not within the time period represented by the first piece of division time period information, deleting the first piece of division time period information from the division time period information sequence, and executing the construction processing again based on the space-time parameters and the updated division time period information sequence. According to the embodiment, the data security is improved.

This invention discloses a time reference correction system, including a clock initialization module and a virtual clock module, wherein the clock initialization module is connected to the virtual clock module. The clock initialization module includes a GPS device, a 5G communication module, an RTC clock, a counter acquisition channel, a trustworthiness calculation module, a priority selector, and an oscillator. It also includes a clock establishment method for the time reference correction system. This invention improves and optimizes the system composition, based on an embedded system solution, and constructs a new time reference correction system through a combination of hardware and software. By combining GPS and 5G time synchronization sources, it eliminates the timing jitter caused by environmental factors when using GPS alone, and has the advantages of no accumulated error and no jitter error from the local oscillator. By calibrating the periodic quasi-local oscillator through a GPS time synchronization source or a 5G network time synchronization source, the local time is kept synchronized with Coordinated Universal Time (UTC).

The invention provides a semi-aviation transient electromagnetic receiving device and method based on whole-second data alignment, and relates to the technical field of geophysical exploration and electronic measuring instruments, and the method comprises the steps: generating a whole-second pulse signal aligned with the coordinated world time based on a satellite time service signal and a local high-stability oscillation source, increasing progressively at the moment corresponding to the rising edge of each whole-second pulse and outputting a global clock synchronization identifier; when a rising edge of the whole-second pulse signal is received, synchronously starting data acquisition in the second, and marking the same sampling timestamp and the global clock synchronization identifier for each frame of acquired transient electromagnetic response signal and each group of attitude and positioning data; and the data merging module is used for receiving the marked data stream from the multi-source signal acquisition module, and merging the transient electromagnetic response signal and the attitude and positioning data in the same second window into a whole second record set through the same global clock synchronization identifier. According to the invention, high-integrity and high-consistency original detection data can be obtained in a complex flight environment.

The application relates to the technical field of communication quality, and particularly discloses a collection terminal for communication quality monitoring, which comprises the following modules: an electric energy meter interface module, which reads instrument values from an electric energy meter; a time synchronization module, which is used for aligning a terminal clock to coordinated universal time and generating a time frame with 1s granularity; a communication quality monitoring module, which is used for measuring a communication quality index and calculating a value at the 95% position in a preset statistical time period as a statistical result; a data slicing and statistical module, which is used for forming 10T0 segments according to 10 fundamental wave periods in each time frame; a cache and out-of-order correction module, which is used for grouping, out-of-order rearranging and loss compensation of the instrument values and the communication quality index according to the same time frame before uploading and completing framing in a waiting window; and an alarm and uploading module, which is used for outputting the value at the 95% position as the statistical result to a local alarm. The application reduces the overall end-to-end time delay of the collection terminal.

A wireless transmit / receive unit (WTRU) and a method performed by a WTRU are provided. Radio resource control (RRC) reconfiguration information that indicates a trigger condition to trigger an RRC reconfiguration at a time instance is received from a first non-terrestrial network. The time instance is a coordinated universal time. The RRC reconfiguration information indicates the time instance as a time offset, which corresponds to a time period elapsed from a fixed time instance. When the trigger condition is satisfied the RRC reconfiguration is executed.

The application relates to an IRIGB code generation method based on a standard serial port, which comprises the following steps: modifying the baud rate or working clock of a serial port driver, setting a corresponding baud rate in response to the modified serial port, obtaining a required starting UTC time, constructing 100 code types according to the requirements of IRIGB and sending the code types through the serial port, adding 1 to the UTC time after sending a group of 100 IRIGB code types, repeating the above code type construction, sending and time accumulation steps, and continuously generating IRIGB codes. The method has strong device applicability, can generate IRIGB code types by using existing serial port devices (such as computers and single-chip microcomputers) on site, does not need to additionally purchase complex devices, and reduces cost. Code type generation is convenient, parameters can be flexibly set by modifying the baud rate or working clock, coordinated universal time is automatically cyclically accumulated, network time synchronization is ensured to be accurate, and data can be stored and backed up.