50 results about "Extended field" patented technology

The invention discloses a natural resource data security management method, and relates to the field of natural resource data security management, and the method comprises the steps: obtaining a target field set requested to be accessed by a user and knowledge graph data, traversing fields, and querying graph association nodes to generate an extended field set; then calculating a conduction risk value of a field pair formed by any two fields in the extension set, if a risk mean value of all the field pairs reaches an evolution threshold value, screening out a high-risk field pair, extracting common associated nodes connected with the high-risk field pair in the atlas, injecting the common associated nodes into the extension set, and carrying out loop iteration on the process until a termination condition is met; and finally, calculating a global risk entropy based on the risk values and sensitivity interference factors of all fields in the extension set, performing desensitization operation on the target field set, and synchronously updating the knowledge graph database. According to the method, the implicit sensitive information conduction risk in the natural resource data multi-field combination query can be dynamically identified and quantified.

The present disclosure provides an OCT imaging system to reduce or eliminate frequency-domain aliasing artifacts. The frequency is shifted using a carrier frequency to define a sampling range substantially centered on the carrier frequency. An image of the sample is generated from a displayed imaging range that consists of a subset of the frequencies within the sampling range. Furthermore, the system may be configured to determine the carrier frequency such that a Nyquist frequency corresponding to the shifted frequency is extended beyond either an upper or a lower bound of an OCT quality envelope corresponding to the first portion of light. Additionally, the carrier frequency may be determined such that a lower bound of the OCT quality envelope is greater or less than a zero-frequency DC limit.

The invention discloses a reusable double-domain multiplier design method and system, and the method comprises the steps: double-domain non-logic base-4Booth coding: setting a coding logic which simultaneously supports the complement operation of a prime number domain and a binary extension domain and a symbol extension bit, and easily realizing the generation of a partial product under double domains through extension; dual-domain partial product generation: generating a partial product array based on the coded values; performing Wallace tree-shaped compression: on the basis of a compressor of a Wallace tree-shaped compression structure, realizing dual-domain compression by introducing a domain control bit; and adder operation: obtaining two partial products based on compression, and adding the two partial products through an adder to obtain a final multiplication result. According to the method, Booth coding, double-domain partial product generation and double-domain compression logic on the prime number domain and the binary extension domain are designed, the symbol extension bit preprocessing technology and the complement plus one-bit optimization technology are combined, multiplication on the double domains can be supported at the same time, and the method has the remarkable advantages of being small in resource occupation and high in performance.

The invention relates to an equipment communication method and apparatus, an electronic device and a storage medium. The method comprises the steps of obtaining a to-be-processed message; the to-be-processed message comprises a to-be-processed message header and to-be-processed message content; the header of the to-be-processed message comprises a preset extension field and a preset analysis field; the preset analysis field is a field used for indicating a message analysis rule; the preset extension field is a field used for extending the newly added analysis rule; based on a preset analysis field, performing analysis processing on the to-be-processed message content to obtain a first processing result; and sending the first processing result to the target client, so that the target client executes a corresponding operation based on the first processing result. According to the embodiment of the invention, the compatibility and expansibility of the protocol can be improved.

This communication device comprises: a control unit that sets information relating to multiband and / or multichannel communication in an extended field of a beacon signal; and a communication unit that transmits the beacon signal.

The present invention discloses a method for constructing a Golomb Costas sequence based on a high-order spread domain, which belongs to the field of wireless communication technology. The method comprises the following steps: determining the order N of the Golomb Costas sequence to be constructed; and determining the order N of the Golomb Costas sequence to be constructed according to N=p. n ‑2, determine p, n, where p is a prime number and n is a positive integer, and explicitly state the extended field GF (p n ); select an irreducible polynomial of degree n with a leading coefficient of 1 on the prime field GF(p) as f(x), and clearly expand the field GF(p n ) in the form of elements, define the extended field GF(p n ) two binary operations on elements in the GF(p n ) primitive elements and their powers, and list the powers of primitive elements; in the extended field GF(p n ) selects two primitive elements; calculates the placement coordinates and completes the construction of the Golomb Costas sequence. The present invention calculates the primitive elements of the extended domain and their powers by calling functions such as get_combins(p,n), modBKY(p,n,BY,BKY,res) and calc(p,n,BKY,res_product), and according to the construction formula of the Golomb Costas sequence and by searching the extended domain GF(p n ) list of powers of primitive elements, quickly calculate the placement coordinates of the Golomb Costas sequence, reduce the workload of manual calculations, and improve the efficiency of constructing high-order Golomb Costas sequences based on extended domains. At the same time, it ensures the correctness of the calculation of the placement coordinates of the Golomb Costas sequence, solving the difficult problem of constructing Golomb Costas sequences based on high-order extended domains.

The invention discloses a drain extension field effect transistor and a preparation method, and relates to the technical field of semiconductor preparation. The drain expansion field effect transistor comprises a field oxidation structure, a field plate structure, a gate structure, a drain region and a source region, and the drain region and the source region are located on the two sides of the field oxidation structure. The field oxidation structure is divided into a first region, a second region and a third region, the second region is located between the first region and the third region, the field plate structure is located above the third region, the upper part of the second region is empty, one part of the gate structure covers the upper part of the first region, and the other part of the gate structure is close to the source region. According to the drain extended field effect transistor, the gate structure and the field plate structure of the drain extended field effect transistor are separated, so that specific voltage can be independently applied to the field plate structure to reduce conduction loss, switching loss and temperature rise of a device, and the problems of poor performance and low reliability of the device in the prior art are solved.

The present disclosure provides a performance measurement method and device, a message generation method and device, and a communication system. The network performance measurement method includes: after receiving an SRv6 message, detecting whether the first extension field in the header of the SRv6 message is set with a preset identifier; if the first extension field in the header is set with a preset identifier, further detecting the service type set in the second extension field in the header; adding the detection data associated with the service type to the third extension field of the header to update the SRv6 message; if the current routing node is an intermediate node on the measurement path, sending the updated SRv6 message to the next routing node on the measurement path; if the current routing node is a tail node on the measurement path, reporting the detection data in the third extension field of the header to the controller. The present disclosure can realize end-to-end performance detection of service messages without increasing network overhead.

A flow suppression method is applied to meet the suppression requirement of data flow and avoid data packet loss. In the flow suppression method, when congestion occurs in the receiving side network device when processing data packets, the receiving side network device sends an extended PFC packet to the sending side network device to instruct the sending side network device to suspend sending data packets for a period of time. Moreover, the extended PFC packet uses two fields (an existing field and an extended field) to indicate the length of time for which the sending side network device suspends sending data packets, so that the extended PFC packet can instruct the sending side network device to suspend sending data packets for a longer period of time, thereby meeting the suppression requirement of data flow and avoiding data packet loss.

Aiming at the shortcomings and limitations of the existing two-dimensional ion-sensitive field effect transistor and extended gate field effect transistor, an ion-sensitive field effect transistor and an extended field effect bio-detection chip are proposed. In addition to extending the gate to the top of the chip or configuring metal internal connections on the gate, so that the area reacting with the biological sample to be detected is away from the transistor channel to reduce noise and interference, the profile of the conductor located above the transistor channel is adjusted to have different parts extending in different directions, thereby increasing the reaction area with the biological sample to be detected and improving the reaction efficiency and accuracy. In addition, a single transistor is corresponded to multiple or even multiple electrodes, even multiple adjacent transistors are configured as described and grouped together, and the signals generated by the reaction with the biological sample to be detected are output to the external circuit, thereby simultaneously detecting multiple or even multiple biological samples to be detected, and reducing the cost of consumables and noise.

The invention discloses a method and system for fusing quantum key one-time pad in a TLS recording layer, and relates to the technical field of quantum security communication, and the method comprises the steps: a client and a server execute a standard TLS handshake protocol, complete bidirectional identity authentication, negotiate encryption suite parameters, generate a unique session identifier, generate a classic key through a classic key exchange algorithm, and send the classic key to a server; declaring a quantum key enhancement mode in a handshake message extension field; after the handshake is completed, the client and the server are respectively connected with a locally deployed quantum key manager through a secure channel, submit the unique session identifier to carry out session binding, obtain a corresponding quantum key stream identifier, exchange information of the quantum key stream identifiers of the two parties, and carry out one-time pad encryption transmission; according to the method, on the premise of not changing a TLS protocol stack structure, sensitive data leakage and tampering risks are effectively prevented, and the information transmission security strength is improved.

The invention relates to the technical field of atmospheric wind field observation, and particularly discloses a laser radar wind field real-time imaging system and method. Comprising a laser transmitter, a cassette telescope system, a collimating mirror, a primary polarization modulation light splitting module, a wide-field delay assembly, a middle collimating system, a secondary polarization modulation light splitting module, an imaging mirror and a detector which are sequentially arranged along incident light. The invention aims to solve the technical bottlenecks that the view field is limited, the real-time performance is insufficient and the precision and the coverage range are difficult to consider in the traditional wind field detection, and a set of integrated and high-performance wind field imaging solution is constructed by fusing the active detection advantage of the laser radar and the view field expanding birefringence interference technology. According to the system, the laser radar is used as an active light source, the defects that a passive interference technology depends on atmospheric airglow and the observation time period is limited are overcome, full-time-period and full-height-layer wind field detection can be achieved, and the core requirements of wide view field, high precision and real-time performance are considered by optimizing an optical architecture.

The present disclosure provides an OCT imaging system to reduce or eliminate frequency-domain aliasing artifacts. The frequency is shifted using a carrier frequency to define a sampling range substantially centered on the carrier frequency. An image of the sample is generated from a displayed imaging range that consists of a subset of the frequencies within the sampling range. Furthermore, the system may be configured to determine the carrier frequency such that a Nyquist frequency corresponding to the shifted frequency is extended beyond either an upper or a lower bound of an OCT quality envelope corresponding to the first portion of light. Additionally, the carrier frequency may be determined such that a lower bound of the OCT quality envelope is greater or less than a zero-frequency DC limit.

The present invention discloses a semi-automatic segment routing scheduling method, which specifies data transmission requirements by carrying an extension field in a data packet sent by a data sending end, actively triggers network measurement of a specified network node, and finally allows the device / administrator to provide a link that better meets its own needs for subsequent traffic, so as to improve network quality and meet personalized needs. The method of the present invention does not require changing the existing network infrastructure, but only needs to change the implementation of the business software, that is, to add an extension header to the data packet, and to modify the network management software to support this feature, which can well respond to the advanced customization requirements of the client, such as fast measurement of the link, and has strong customization, can transmit user data according to user requirements, and perform deeper scheduling and optimization of the forwarding of the data packet in the process of forwarding the data packet, so as to expand and optimize the existing SR.

The invention discloses an antenna gain calculation method for phase-free measurement under limited plane sampling, and the method comprises the following steps: measuring the size of a radiation aperture of a to-be-measured antenna, and obtaining the amplitude information of the distribution of a limited plane field at a distance d from the to-be-measured antenna through an antenna test system; constructing an equivalent array model, and establishing a forward transmission equation; solving an optimal solution of equivalent array model excitation by adopting a nonlinear least square method according to the obtained amplitude information; according to the characteristics of different to-be-tested antennas, selecting a proper expansion field form, and establishing a new forward transmission equation by using the position of each array element in the new equivalent array model, the excitation amplitude and phase information and the sampling point coordinates of the expansion field to obtain complete field distribution on the expansion field; and calculating an antenna gain value through the complete field distribution on the extended field. According to the method disclosed by the invention, the complexity and the cost of a measurement system can be remarkably reduced, and the test efficiency and the reliability are improved.

The invention relates to the field of media processing and transmission, and discloses an SMT signaling transmission method and device, computer equipment and a storage medium. The method comprises the following steps: initializing an SMTP load head in a signaling message mode and a CEU mode of an SMT protocol, wherein the SMTP load head comprises a basic field and an extension field; the transmission node receives the SMTP load head and analyzes an extension field of the SMTP load head to obtain attribute marks including a priority identifier, a signaling type identifier and an update state identifier; processing the SMTP signaling data packet in the signaling message mode and the media data packet in the CEU mode according to the priority identifier, the signaling type identifier and the update state identifier to obtain processed SMTP signaling data and processed media data; and the transmission node presents the media content according to the processed SMTP signaling data and the processed media data. According to the invention, the delay efficiency of SMT signaling data transmission is improved, transmission resources are saved, and high-quality presentation is guaranteed.

This communication device comprises: a control unit that sets information relating to multiband and / or multichannel communication in an extended field of a beacon signal; and a communication unit that transmits the beacon signal.

A method comprising: forming an extended field-of-view (FOV) picture; deriving a prediction signal by using the extended-FOV picture; and using the prediction signal to encode at least a part of a current source picture to a current coded picture.

The invention provides a method, system and device for synchronizing data in a whole database in real time, a medium and a program product. The method comprises the steps that pre-configured service database connection information and downstream storage database connection information are obtained; connecting business databases of subordinate institutions through the FlinkCDC component according to the business database information, and obtaining table names, in-table field names and in-field data stored in each business database; and performing connection through the FlinkCDC component according to the downstream storage database connection information, and storing the table name, the in-table field name and the in-field data in the downstream storage database according to a preset format. The method and the device are simple and convenient to operate, the table data in the multiple business databases can be extracted in the whole database by one task and stored in the downstream storage database according to the preset format, and meanwhile, the subordinate institutions to which the business databases belong can be identified through the extended fields, so that the institution sources of the data stored in the downstream storage database are distinguished.

The present application relates to the technical field of communications. Provided are a method and device for extending a cyclic prefix (CP) of a demodulation reference signal (DMRS), which are used for realizing lossless extension of a CP of a DMRS symbol. The method comprises: generating a demodulation reference signal (DMRS) symbol, wherein the DMRS symbol comprises an extended field, and the extended field comprises a supplementary cyclic prefix (SCP) or a cyclic suffix (CS); and sending a first signal, wherein the first signal comprises the DMRS symbol.

A communication apparatus generates a MAC frame including an HT Control field, which complies with an IEEE 802.11 series standard. In the generated MAC frame, the HT Control field is formed to include an A-Control subfield by each of first 2 bits being set to 1. Furthermore, the MAC frame is formed to further include a variable-length extended field for extending the A-Control subfield included in the HT Control field. The communication apparatus transmits the generated MAC frame to a partner apparatus.

The invention relates to the technical field of artificial intelligence and data processing, and provides a service burying point data processing method and device, equipment and a medium, and the method comprises the steps: obtaining corresponding first service burying point data and second service burying point data according to an extension field and a conventional field of a service burying point; analyzing a target structured field name corresponding to each target key field description in the semi-structured field description of the extended field according to a preset corresponding relationship between key fields and field roots; generating an extended field data table according to the target structured field name and the corresponding first business burying point data; generating a conventional field data table according to the conventional field and the corresponding second business burying point data; and in response to a received burying point data query request, outputting a corresponding target field data table according to the extended field data table and the conventional field data table. Through the technical scheme of the invention, the timeliness of complex service burying point analysis is improved, and the burying point analysis threshold is greatly reduced.

This application provides an extended field-of-view light sheet fluorescence microscopy imaging system, method, and product, including a beam generation unit, a light sheet generation unit, a sample carrying unit, and a signal detection unit. The beam generation unit is configured to phase-modulate an incident Gaussian beam based on a preset phase pattern to obtain a target Bessel beam. The light sheet generation unit is configured to generate a Bessel light sheet based on the target Bessel beam. The sample carrying unit is configured to position the carried sample in the scanning area of ​​the Bessel light sheet. The signal detection unit is configured to collect the fluorescence signal generated by the sample in the scanning area. This application utilizes a long depth-of-focus, diffraction-free beam as the illumination light in light sheet fluorescence imaging, which overcomes the technical bottleneck of traditional Bessel beam light sheet imaging, which cannot guarantee resolution while improving the imaging field of view. This allows for covering a larger sample area in a single exposure, thus increasing imaging speed.

The invention provides a general information generation method based on an extension field, electronic equipment and a storage medium, relates to the technical field of field generation, and aims to solve the technical problems that a static information generation mode is not flexible enough when facing variable application requirements and cannot meet personalized and dynamic change requirements in related technologies. The method comprises the following steps: acquiring a basic information template preset in a storage unit, wherein the basic information template comprises a core field displayed on a display interface; and obtaining a to-be-added extension field, and displaying on the display interface based on the extension field and the core field.

The invention belongs to the technical field of semiconductor power devices, and particularly provides a high-voltage LDMOS (Laterally Diffused Metal Oxide Semiconductor) device capable of resisting total dose irradiation, which is used for solving the problem that holes in electron-hole pairs generated by an oxide layer of a traditional LDMOS device after the total dose irradiation are trapped to form trapped charges, so that the electrical characteristics of the device are changed. An extended field plate (16) is arranged, the extended field plate (16) is spliced to the side, pointing to a drain electrode, of a gate metal field plate (14), the gate metal field plate (14) extends towards the side of the drain electrode, and the extension length is 0.4-0.6 time of the length of the gate metal field plate (14); the extension field plate enables the gate metal field plate to extend towards one side of the drain, thereby effectively optimizing the distribution of trapped charges in an oxide layer after the device is irradiated, reducing the concentration of the trapped charges, and reducing the influence of irradiation on the electrical characteristics of the device. Under the same irradiation condition, the performance parameters of the LDMOS device are more stable, and the LDMOS device has better total dose irradiation effect resistance.

The present invention provides a master-slave communication method and system based on RS485 bus in the field of industrial network control technology. The method includes: step S10, setting a master station request frame format, a slave station response frame format, and a field priority; step S20, the master station generates a data acquisition request based on the master station request frame format and the field priority, and sends the data acquisition request to the corresponding slave station based on the RS485 bus; step S30, the slave station receives and parses the data acquisition request, obtains real-time field parameters, extended field parameters, and a first check code, and uses the first check code to check the real-time field parameters and the extended field parameters; step S40, the slave station generates real-time field data and extended field data based on the real-time field parameters and the extended field parameters, and generates a data response based on the real-time field data, the extended field data, and the slave station response frame format and sends it to the master station. The advantages of the present invention are: greatly improving the real-time performance, scalability, and reliability of master-slave communication.

The invention discloses a thermal power generating unit performance assessment-oriented abnormal time period data processing method. The method comprises the following steps of S1, data structure expansion; s2, abnormal time period configuration, wherein parameter configuration comprises specific data point selection, time period setting and processing mode and parameter setting; s3, writing and marking data, and after configuration is completed, writing an extended field value into the time sequence database according to a set rule; and S4, performance calculation logic integration, wherein performance calculation tasks for the corresponding sets in the specific assessment time period are triggered in a timed manner. The method at least has the following beneficial effects: by identifying and rejecting or replacing the data in the abnormal time period, the interference of data deviation caused by non-human factors such as equipment failure, control switching and test operation on the performance result is effectively avoided, and unfair scoring on teams or personnel is avoided; and the objectivity and the credibility of performance assessment are obviously improved.

A communication apparatus generates a MAC frame including an HT Control field, which complies with an IEEE 802.11 series standard. In the generated MAC frame, the HT Control field is formed to include an A-Control subfield by each of first 2 bits being set to 1. Furthermore, the MAC frame is formed to further include a variable-length extended field for extending the A-Control subfield included in the HT Control field. The communication apparatus transmits the generated MAC frame to a partner apparatus.

Embodiments of the present specification provide a method and device for generating a check script for a target application, wherein the method for generating the check script comprises: obtaining TM metadata configured by a user. Identifying strong fields and weak fields from a target data table. Calling a parsing engine to parse field values of the weak fields to obtain extended fields corresponding to sub-fields in the weak fields, the field name of the extended field being used to identify the complete hierarchical path of the corresponding sub-field. Determining the strong fields and the extended fields as each target field in the target data table. Extracting code symbols and their annotation information from the business code of the target application. Inputting the code symbols and their annotation information into an intelligent agent, and letting the intelligent agent perform semantic parsing on the code symbols based on the annotation information to obtain corresponding business meanings. Matching the business meanings with each target field to establish an association relationship between the code symbols and each target field. Generating a check script by using a code generation platform based on the association relationship.