182 results about "Digital transformation" patented technology

Fast digital implementations of the second generation curvelet transform for use in data processing are disclosed. One such digital transformation is based on unequally-spaced fast Fourier transforms (USFFT) while another is based on the wrapping of specially selected Fourier samples. Both digital transformations return a table of digital curvelet coefficients indexed by a scale parameter, an orientation parameter, and a spatial location parameter. Both implementations are fast in the sense that they run in about O(n2 log n) flops for n by n Cartesian arrays or about O(N log N) flops for Cartesian arrays of size N=n3; in addition, they are also invertible, with rapid inversion algorithms of about the same complexity.

Fast digital implementations of the second generation curvelet transform for use in data processing are disclosed. One such digital transformation is based on unequally-spaced fast Fourier transforms (USFFT) while another is based on the wrapping of specially selected Fourier samples. Both digital transformations return a table of digital curvelet coefficients indexed by a scale parameter, an orientation parameter, and a spatial location parameter. Both implementations are fast in the sense that they run in about O(n2 log n) flops for n by n Cartesian arrays or about O(N log N) flops for Cartesian arrays of size N=n3; in addition, they are also invertible, with rapid inversion algorithms of about the same complexity.

A DPSK demodulator demodulates DPSK signals in a computationally efficient manner to reduce the power requirements of the DPSK demodulator. A DPSK signal is received, digitized, converted to its in-phase (I) and quadrature (Q) components and filtered to remove noise. The I and Q components are processed to determine a relative phase and frequency offset. The phase is adjusted using the frequency offset. The adjusted phase is converted to an absolute phase, which is then mapped to a symbol representative of one or more bits of data.

The embodiment of the invention provides an HDFS cluster high-availability deployment method, system and device and a storage medium. The method comprises the following steps: creating a management node mirror image and a data node mirror image for the HDFS cluster, wherein the management node mirror image and the data node mirror image respectively comprise a configuration file for configuring the HDFS cluster into a high-availability mode; respectively uploading the management node mirror image and the data node mirror image to a mirror image warehouse; deploying the HDFS cluster to a plurality of host machines through a Kubernetes platform, and enabling the Kubernetes platform to creats a main management container in a first host machine based on the management node mirror image uploaded to the mirror image warehouse, and create a hot standby management container in a second host machine, and creat a data storage container in at least one third host machine based on the data node mirror image uploaded to the mirror image warehouse. According to the embodiment of the invention, the HDFS cluster can be operated in cheap hardware equipment, so that the resource utilization rate ofthe HDFS cluster is improved, and the digital transformation threshold and capital investment of an enterprise are reduced.

The invention relates to a nuclear power station simulation instrument control system DCS transformation closed-loop verification system and method. The system comprises a simulation server, an operation display terminal and a virtual DCS server which are connected through network communication. The operation display terminal receives the initial condition and verification operation information inputted by the user and transmits the initial condition and verification operation information to the simulation server and displays the simulation result of the simulation server and the DCS verification simulation result of the virtual DCS server. The simulation server simulates the nuclear power station system equipment state and physical parameters according to the initial condition and based on the full scope simulator process system simulation model and outputs the simulation data. The virtual DCS server receives and processes the simulation data and then returns a DCS operation instruction to the simulation server and outputs the DCS simulation result to the operation display terminal to be displayed. Nuclear power station simulation instrument control system DCS transformation closed-loop test verification can be realized so that the major potential problems of digital transformation can be discovered in advance, controllable upgrade implementation risk and controllable construction period can be realized and the requirements of safe and stable operation of the unit can be met.

The invention discloses a network flow index retrieving and compressing method based on an inverted list in the crossing field of computer networks and big data analysis. The network flow index retrieving and compressing method is used for solving the problems existing in network flow index retrieving and compressing research at present. The method includes the concrete steps that firstly, an index is set up through IP offset addresses, concretely, digits are converted into a dictionary, and then an inverted index is set up through the IP offset dictionary; secondly, data in the inverted list are compressed, and compression algorithms include the simple9 algorithm, the carryover-12 algorithm and the pfordelta algorithm; thirdly, decompression and retrieve are carried out, concretely, corresponding decoders are selected according to the different compression algorithms and decode compression units, and decoded digits are converted into a special data structure such as the inverted index and the dictionary; finally, information of all flow packages is obtained according to the inverted index. The network flow index retrieving and compressing method has the advantages that an efficient index technology and an index compressing technology are effectively realized, and massive network flow data can be retrieved effectively.

The invention discloses a bus protection system of a digital transformer station and a protection method thereof. The system comprises a bus protection main station, a bus protection sub station, an electronic mutual inductor and an intelligent terminal, wherein the bus protection sub station and the bus protection main station are connected through data, the electronic mutual inductor and the bus protection main station are connected through data, the bus protection main station and the intelligent terminal are connected through optical GOOSE network data, the bus protection main station judges whether the bus has troubles inside the sample space or not according to the received digital quantity and opening quantity transmitted by the bus protection sub station or the digital quantity and GOOSE network opening quantity output by the electronic mutual inductor, relevant switches are directly controlled to do tripping operation through conventional tripping operation joints if the troubles inside the sample space occur, or control signals can also be sent to the intelligent terminal, and the intelligent terminal can control the relevant switches to do tripping operation according to the control signals. The invention solves the problem of coexistence of a conventional equipment interface and a digital equipment interface, and realizes the bus protection full process investment in the digital transformation process.

The invention provides a digital twinning application-oriented three-dimensional digital factory modeling method and system, and the method comprises the steps: carrying out the abstract analysis of a core entity object related to a digital factory, and constructing a basic three-dimensional entity model object; carrying out abstract analysis on a core business process object related to the digital factory, and constructing a basic three-dimensional process business model object; carding an association relationship between the entity model and the business model, and constructing a basic association relationship object; and constructing a composite digital factory service model based on the constructed entity model, the constructed service model and the model relationship. According to the method and system, the dynamic and static models of the digital factory are constructed according to the business attributes, a model basis and a heterogeneous business system and equipment integration application mechanism are provided for digital twinning application, and a basis is provided for digital transformation and digital brocade construction of discrete manufacturing enterprises.

An Advanced Digital Antenna Module (ADAM) for receiving and exciting electromagnetic signals. The ADAM ASIC integrates a complete receiver / exciter function on a monolithic SiGe device, enabling direct digital-to-RF (Radio Frequency) and RF-to-digital transformations. The invention includes an improved analog-to-digital converter (ADC) (10) with a novel active offset method for comparators. The novel ADC architecture (10) includes a first circuit (12, 14) for receiving an input signal; a second circuit (18) for setting a predetermined number of thresholds using a predetermined number of preamplifiers (60) with weighted unit current sources (66) in each of the preamplifier outputs; and a third circuit (20) for comparing the input to the thresholds. In the preferred embodiment, the ADC (10) includes trimmable current sources (66). The ADC (10) of the present invention also includes an improved comparator circuit (62). The novel comparator (62) includes split load resistors, pairs R25 (active mode) and R26 and pairs R24 (active mode) and R49, to increase the acquisition time and reduce the regeneration time constant, emitter follower buffers Q85 and Q87 on the latch pair transistors Q61 and Q62 to reduce the capacitive loading on the regeneration node, and cascode transistors Q64 and Q119 coupled to the load resistors to eliminate the output loading effects from the regeneration node. In the preferred embodiment, the invention also includes a novel DDS / DAC architecture (200) with digitally trimmed unary currents and a novel sine lookup and decoder design which overcomes the conventional dynamic range limitations at high conversion rates.

The invention discloses an intelligent interface device of a digital transformation substation switch, which comprises the following functional plug-ins: an AC sampling board which can be accessed into voltage, current and related direct current component of the switch; a POWER power supply communication board which is accessed into a power supply for realizing network sharing of sampled data, tripping and closing operation and alternate locking of a GOOSE network, communication with a background and a dispatcher and access of the state monitoring quantity of the switch; an I / O board which is used for the access of the traditional switching quantity and the state quantity and the outward control and operation; an OPA operation panel which can realize the control of a tripping and closing coil of the switch and the locking function; and a CPU board which is used for realizing the functions of data calculation, logic judgment, outward communication, liquid crystal communication and the like of the device and simultaneously has the function of a bus backboard, wherein all the boards are inserted in the bus backboard; and a liquid crystal board, wherein the data display of the liquid crystal board is connected with the CPU through a serial port. The device can realize the intelligentization and the digitalization of the switch, reduce the using number of equipment and reduce the cost.

The invention relates to a WEB system development framework based on form drive combined with a dynamic rule engine, and belongs to the field of WEB software development. The framework comprises a form designer, a page designer, a workflow designer, a code generation module and a Groovy rule engine, and the system development framework can provide an online business system development solution of account number, authorization, authentication and auditing for business personnel / developers. Support, management and optimization of a business process and a management process are realized through business technology integration, and enterprise digital transformation is enabled. A new software development mode in the industry is practiced, the form of the method is visual programming, the core is multiplexing, a service system is quickly established through simple dragging, pulling and dragging, the pressure of non-technical developers is relieved, the code writing work is omitted, meanwhile, support is provided for professional developers, tedious underlying architectures and infrastructures in the application development process are automatically completed, and professional developers focus on business logic.

The invention relates to the technical field of identity documents, and particularly relates to a network mapping document generated based on an electronic legal identity document entity. Content of the network mapping document comprises basic personal information, biometric information, document anti-counterfeiting information, additional factor information and a digital signature which are generated in an irreversible mapping transformation mode, and the mapping transformation comprises digital transformation and / or cryptographic transformation. On the basis of the existing electronic legal identity document and related database resources and the like, the problem of current network legal identity management in China can be solved.

A computer-implemented method is described for receiving at a computer identification of a product or service that is to be the subject of a video presentation, generating at the computer step-by-step guidance to a user specific to the subject of the video presentation on what to say in the video presentation, when to say it and how to record the subject of the video presentation, providing the step-by-step guidance from the computer to the user, receiving the video presentation at the computer and editing the video presentation at the computer. In some embodiments, the presentation is automatically processed to enhance it by combining it with additional audiovisual material, to compress it, to format it for Internet or broadcast delivery, and / or to route it for Internet or broadcast delivery. Computer apparatus for performing these steps is also described.

The invention discloses a radio frequency identification system based on an open type software radio platform. The radio frequency identification system is composed of an open type physical layer processing module, a background processor and an open type hardware interface module. A base band processing module of the open type physical layer processing module achieves conversion between a base band of a physical layer signal and an intermediate frequency signal. An analog to digital (AD) / digital to analog (DA) module can achieve high-speed conversion of analog to digital. The background processor achieves configuration and control of the platform, and label information, media access control (MAC) layer information and physical (PHY) layer information are shown through a graphical user interface (GUI). An open type hardware interface achieves transmission of platform data signals and control signals. A low-cost open type platform system capable of configuring a system bottom layer flexibly under different environments is provided for radio frequency identification (RFID).

A digital multimeter comprising measured object input terminal, conversion circuit of fast analog / digital converter, microprocessor, auxiliary program-controlled voltage or current source, potential-divider network, electronic switches, and display. Compared with conventional multimeters, the adoption of fast analog / digital conversion technology as well as method that applies auxiliary power supply at the time of passive analog amount measurement allows for measurement of different responses between input terminals after auxiliary power supply is applied, thus being able to automatically determine the characteristics and size of the measured object.

The present invention discloses a pixel gain control method for infrared focal plane imaging system. For area array or line array infrared focal plane device outputting serial signal, it is able to regulate single pixel response real-time through the pixel gain control method before analog-digital transformation. The method improves evenness of infrared focal plane system output signal greatly, and can enlarge instrument dynamic range in a certain extent. The method can be used for situation such as spaceflight observation of earth, prewarning satellite and the like which request high real time and signal quality of infrared focal plane system output signal.

The inventive data conversion device is typically embodied as a modular unit including a PCBA and a frame that houses it. The PCBA includes a PCB and electronic components mounted thereon including a computer and one or more conventional conversion devices, viz., at least one conventional synchro-to-digital converter and / or at least one conventional digital-to-synchro converter. According to typical inventive synchro-to-digital conversion, analog synchro data (received from a synchro) is converted by the synchro-to-digital converter(s) to lower-level-format parallel-binary-angle digital synchro data, which in turn is converted by the computer to higher-level-format digital synchro data. According to typical inventive digital-to-synchro conversion, higher-level-format digital synchro data (received from a modern-day digital device / system / network) is converted by the computer to lower-level-format parallel-binary-angle digital synchro data, which in turn is converted by the digital-to-synchro converter(s) to analog synchro data.

The invention provides a method for equipping personal digital product with functions of recording and displaying the digital video / audio multi-media, comprising: providing a modulated interlacing video signal and an analog audio signal for de-modulation and de-interlacing of the interlacing video signal; at the same time processing digital transformation of the analog audio signal for digitalizing the analog audio signal to obtain a digital audio signal; then compressing the de-interlaced video signal and the digital audio signal to obtain a compressed de-interlaced video signal and a compressed digital audio signal; putting the compressed de-interlaced video signal and the compressed digital audio signal under synchronous process to obtain a synchronized compressed video signal and compressed audio signal; finally, outputting the synchronized compressed video signal and compressed audio signal to a processing unit of digital apparatus for selecting from recording or displaying the digital video / audio multi-media of synchronized compressed video signal and compressed audio signal.

The invention discloses a method and a device for detecting an assembly outline size of a main air bag of an automobile and belongs to the field of metrology. The method and the device are used for detecting the dimensional precision of the assembly outline size of the air bag and can eliminate the defects that existing methods are high in cost, high in difficulty, a lot in influencing factor, low in efficiency and the like. The detecting method comprises the steps of A, manufacturing a digital template of an assembly outline image of the qualified automobile main air bag; B, conducting digital transformation for the assembly outline image of the air bag to be detected; and C, matching a digital image of a workpiece to be detected with the digital template of a qualified workpiece to obtain a result. The detecting device comprises a working platform, a frame or a box body, an air bag positioning fixing mechanism, a camera support, a camera, a light source, an image processing module, an operation module and a working power supply, wherein the frame or the box body supports the platform, the air bag positioning fixing mechanism is located on an installation platform, the camera support is fixed on the platform or the frame, the camera and the light source are installed at the upper end of the support and located above a bearing platform, and the image processing module, the operation module and the working power supply are installed on the frame or the support or the platform. The method and the device have the advantages of being capable of detecting the outline size of the air bag of the automobile efficiently, quickly and accurately and applicable to on-line detection of industrial production lines.

An Apparatus, Method and System for sensing Chemical and Biological information and converting said information into the electronic digital domain for relay in a radio frequency identification (RFID) tag embedded in a dielectric medium. The apparatus consists of two parts; 1) a single coordinator apparatus providing power, control, signal processing and communications functions wirelessly to 2) a large number of chemical and temperature sensor tags embedded in a lossy dielectric medium that do not contain batteries and cannot function without the coordinator apparatus. The coordinator apparatus further acts as a digital information bridge to outside systems with the data obtained from the large number of sensor tags to the system. A First Method using said apparatus whereby the single coordinator apparatus synchronizes and provides clocking for and commands a large number of sensor tags and further queries the large number of sensor tags simultaneously and the digital representation of a concentration of a chemical or biological analyte acting on each sensor or temperature of the sensor apparatus are collectively obtained. A Second Method utilizes a plurality of sensor apparatus containing analog to digital converters in conjunction with said chemical and biological reversible chemoresistive sensors to transmit encoded chemical and biological information to a single signal processing function over radio frequency electromagnetic waves utilizing code division multiple access whereby only the ID number of those sensor apparatus measuring a higher value than a variable reference value transmit simultaneously. An arithmetic despreading operation is performed so that a probability that a given set of sensor tags is measuring a value higher value than a variable reference value is obtained. The variable reference value for the set is assigned a bit weight competing the chemical, or temperature to digital conversion process. In succeeding operations, the Second Method may vary the variable reference value at each of the sensor apparatus to form a successive approximation of the chemical, or temperature to digital conversion information. A Third Method for optimally adjusting the electrical characteristics to match the physical characteristics of the dielectric medium is provided. A System whereby organizes said plurality of sensor tags each reporting chemical, biological and temperature information into a colony whereby said system obtains data from thousands of Colony Member tags thereby harvested by the Colony Coordinators and further the data from thousands of Colony whereby the System organizes groups of these Colonies each reporting chemical, biological and temperature information into Groups of Colony whereby the System decodes the temperature chemical and biological information and processes the information from each of the Colony Member sensor tags in a time correlated database to form an electronic digital domain representation of said chemical, biological and temperature information for further analysis. Said System formats the time series database based on the interpreted chemical and biological information for relay back to a decision point thus creating actionable intelligence of decay at the carton and item level. Thereby using the above, Apparatus, Method and System collecting data from inside an electrical dielectric medium of interest for the temperature, concentration of a chemical or biological analyte located physically inside each carton or item and relaying this data to external information processes the object of the invention is thus fulfilled.

The invention discloses an intelligent remote home-based care system for the aged, and relates to the technical field of home-based care for the aged. The intelligent remote home-based care system comprises a care monitoring device, a wireless communication module and a remote application server, wherein a data summarization monitoring module, a log module, a disease early warning module, a health recording module, a manual monitoring module as well as a vital sign monitoring module, a sleep monitoring module, a respiration monitoring module, a heart rate monitoring module, an on-bed and off-bed monitoring module, a remote nursing early warning module, home-based fire early warning module, an intelligent remote medicine taking reminding module and a intelligent remote reminding / calling module which are respectively connected with the data summarization monitoring module and the log module are arranged in the remote application server. The vital signs of the aged are monitored in real time, the physical health data of the aged are obtained through digital transformation, various vital signs of the aged are accurately positioned through big data analysis of the intelligent nursing system, abnormal vital sign data are found in time, and the probability of later complications is prevented in advance.

The invention discloses a low-code development method based on a cloud SAAS platform. The low-code development method comprises the steps that a data source is configured; metadata is generated through Api for service use; api is simply configured and generated; required elements are dragged to an editing area of a designer, and related attributes are configured; the menu items are published to corresponding positions and are generally menu items; and the rendering page is configured for the user to use. The invention belongs to the technical field of low-code development, and particularly provides a software product which is mainly used for helping small and medium-sized household appliance industries to realize digital transformation and is higher in cost performance. According to the low-code development application and method based on the cloud SAAS platform, the cost of service providers is reduced through the elastic capacity of cloud computing, the cost of developers is reduced through the low-code development platform, and therefore the low-code development application and method based on the cloud SAAS platform can better serve small and medium-sized manufacturing enterprises.

The invention discloses a wiring harness path generating system for a full automatic wiring machine, which can effectively promote the wiring efficiency and reliability through a wiring harness CAD drawing and has significance in pushing the digital transformation and promotion of large complex wiring harness technique. a drawing analysis module is used for loading and processing a drawing element, and removing an invalid elements in the drawing through loading an element filtering strategy; a cable path generating module structures a path tree upon an initial position of every cable through the loaded wiring harness connection table and the drawing analysis data processed by the drawing analysis module; the path tree describes all path information of the cable; a cable inquiry module traverses the path tree structured by the cable path generating module, seek and outputs the path information of the appointed model f cable; a cable path simulation detecting module detects if the path information of the appointed model of cable output by the cable inquiry module has interference, collision and other abnormal situations, and finally generates a control program of a manipulator.

An embodiment of the invention discloses a user trust measurement method in a zero-trust SDN network, which adopts systematic and fine-grained access control in the SDN network, designs a control mechanism of network resource access based on the main thought of a zero-trust security architecture, innovatively proposes an access control method based on a user behavior zero-trust measurement value, arranges a zero-trust decision entity in an SDN network control plane, carries out intelligent and refined access control on each access behavior of a user, and realizes resource security protection in a virtual network. The user trust measurement method has very important significance in digital transformation of enterprises and governments in the future.

The present application relates to a method for editing and broadcasting compressed multimedia files composed of binary data blocks originating from digital transformations applied to an audiovisual or multimedia content according to the format of a parent file, said parent file having been separated into a first modified file having the format of the nominal parent file and into a complementary file including information on the modifications brought to the parent file, the method comprising prior to the transmission from a portal to the receiving terminal:a step of preparation including analyzing said first file for extracting time-codes therefrom,a second step including generating an index register table from said first modified file,a third step including generating a modified multimedia file according to the format of the parent file containing information of said first modified file and meta-data,a step of transmission of said modified multimedia file separate from said modified multimedia file, the elements of said complementary file making it possible to recreate a partial synthesis of the original audiovisual file.

The invention relates to a thermal type gas mass flow-meter based on an adjustable constant current source, which comprises a constant current source module, a sensor signal output module, a signal regulating module, an A / D sampling module and a main control unit, wherein a sensor module is constituted of a speed measuring probe platinum thermal resistor, a temperature measuring probe platinum thermal resistor, a reference resistor in serials connection with the speed measuring probe platinum thermal resistor and a reference resistor in serials connection with the speed measuring probe thermal resistor; based on voltage values loaded on the four resistors, four ways of voltage signals are correspondingly outputted; the signal regulating module comprises a four-way regulating circuit; the four ways of regulated voltage signals that meet the sampling requirements are sent into the A / D sampling module for analog-digital transformation; the voltage signals are sent to the main control unit after analog-digital transformation; the flow value is calculated by the main control unit; and the constant current source module comprises a constant current source for providing constant driving electric current for a temperature measuring probe branch and an adjustable constant current source for providing adjustable driving electric current for a speed measuring probe. According to the invention, the thermal type gas mass flow-meter provided herein has the characteristics of accurate measurement and wide measuring range.

The invention relates to a brain-computer interface system based on auditory attention and multifocal electrophysiology and an implementation method. The brain-computer interface system based on auditory attention and multifocal electrophysiology is characterized in that the brain-computer interface system comprises an auditory stimulator module, a signal acquisition module, a signal processing module and an execution module; the auditory stimulator module can generate sound sources with multiple frequencies and multiple sound tracks simultaneously, and the sound sources are distributed at different positions of virtual auditory space; all the sound sources are controlled by a same M sequence, and the sound sources produce sounds when the M sequence is 1 and do not produce sounds when theM sequence is 0; the signal acquisition module collects and acquires mixed electrophysiological signals of auditory response through sensors, and signal amplification and simulation / digital conversionare conducted; the signal processing module conducts quick mutual closing calculation on the mixed electrophysiological signals and the M sequence, and auditory response signals corresponding to allthe sound sources are acquired; and then characteristic value extraction is conducted on the auditory response signals of all the sound sources, characteristic vectors are classified through a distinguishing and classifying module, and the sound sources drawing the attention of a tester are decoded, so that the mind of the tester is determined, and the execution module is controlled to execute corresponding action.

The invention discloses a signal processing method for a broadband quadrature chirping multiplex radar communication integrated waveform. A digital signal is converted into an analog signal accordingto a processing bandwidth of the digital signal generated by modulation of the integrated waveform, wherein the processing bandwidth of the digital signal is determined by a digital baseband signal generated by communication data of the integrated waveform; orthogonal up-conversion is performed on the analog signal and a broadband chirp signal, after a radio frequency signal is received, and the radio frequency signal is sent to a target; a receiving signal of the radio frequency signal reflected by the target is received; receive the signal; and after the orthogonal up-conversion is performedon the receiving signal and the broadband chirp signal, analog-digital transformation is performed, and after the digital baseband signal is generated, two-dimensional arrangement and compensation correction are performed on the digital baseband signal to obtain a to-be-decoupled matrix; and cyclic correction and decoupling is performed on the to-be-decoupled matrix to obtain distance informationof the target. Compared with the prior art, the method of the invention enables the broadband radar communication integrated waveform to achieve range resolution of a broadband signal under a narrower digital bandwidth.