101 results about "Signal validation" patented technology

The invention provides an optical cable fault positioning method based on OTDR signal characteristic adaptive denoising and event identification, and the method comprises the steps: classifying modal components after OTDR signal adaptive noise decomposition based on a preset entropy threshold value, and obtaining a noise dominant component, a mixed component and a signal dominant component; singular value difference spectrum abrupt change point detection is carried out on the noise dominant component, and residual useful signals are extracted; verifying the entropy value of the mixed component, and reconstructing the component meeting the entropy threshold value, the signal dominant component and the residual useful signal into a de-noised signal; synchronously optimizing hyper-parameters and feature selection subsets of the support vector machine by adopting a swarm intelligence algorithm, wherein search parameters of the algorithm are dynamically updated according to an exponential decay mechanism; and outputting fault point space position information based on the optimized support vector machine model.

The present invention relates to the field of communication technology, and discloses a method, device, equipment and medium for cloud devices to receive SMS verification codes. The method for cloud devices to receive SMS verification codes is applied to a cloud device client of a real device, and the cloud device client and the cloud device server are connected in communication. The method includes: receiving a verification code sending signal, wherein the verification code sending signal is sent by the cloud device server when the verification code sending behavior is detected; obtaining the verification code receiving status and current application usage status of the real device, and detecting whether the verification code sending signal, the verification code receiving status and the current application usage status meet the SMS forwarding conditions; when it is detected that the SMS forwarding conditions are met, the SMS is forwarded to the cloud device server. This solves the problem of the troublesome operation of inputting the SMS verification code received by the physical mobile phone into the cloud mobile phone in the prior art.

Systems and methods are disclosed comprising instructions to access audio data of a captured interaction involving one or more participating users of a digital conference tool, receive a first narrative summary of the captured interaction comprising a set of first component narratives, generate a second narrative summary comprising a set of second component narratives, identify at least one component narrative among the set of second component narratives corresponding to the participating users, display the second component narratives of the second narrative summary at a user interface of the participating users, receive user feedback data comprising an adjustment to the displayed text content of the at least one second component narrative, generate a third narrative summary using the user feedback data received from each participating user of the captured interaction, and display the third narrative summary for the captured interaction at the user interface of each participating user.

The invention discloses a 1553B bus test experiment method and system, and relates to the technical field of data processing, and the system comprises a 1553B communication medium replacement test module which evaluates the influence of a medium on the communication quality through the comparison of signal waveforms and data transmission performance under different media; the 1553B hardware cognitive test module is used for sending an instruction and acquiring feedback data of the steering engine and the sensitive equipment, and is used for evaluating the control precision and the response speed; the 1553B transmission protocol test module simulates and captures a differential signal of a 1553B bus, and verifies whether a data frame format and a command field accord with a protocol standard; the inter-node communication test module is used for analyzing the communication performance of the nodes by recording the data transmission quantity, the error rate and the like between the nodes; and the 1553B bus control and data acquisition test module is used for acquiring feedback of the steering engine and the sensitive equipment and calculating the motion precision and the accuracy of attitude feedback.

The embodiment of the invention discloses a near field communication verification method and system based on ultrasonic waves, a medium and equipment, and the method comprises the steps: firstly, when a near field communication request operation of communication initiating equipment is detected, transmitting a target ultrasonic signal to communication response equipment through the communication initiating equipment; and then, receiving the target ultrasonic signal through the communication response equipment, verifying the target ultrasonic signal, and generating an ultrasonic response signal according to a verification result. And further, receiving the ultrasonic response signal through the communication initiating device, verifying whether the communication response device is located in a preset near field communication range by using the ultrasonic response signal, and if verification succeeds, starting a near field communication function of the communication initiating device. Therefore, data exchange between the communication initiating device and the communication response device is realized.

The invention provides a single-line communication method and device based on pulse counting, electronic equipment and a medium, and relates to the technical field of switches and servers. The method is executed by a main board in a system, the main board is connected with a sub-board through a single in-place signal line, and the method specifically comprises the following steps: within a first preset time period after the system is powered on, sending a first pulse sequence through the single in-place signal line, and verifying the connection state of a cable based on a received response signal; if the connection state is verified to be normal, sending a second pulse sequence through a single in-place signal line, and performing data communication with the daughter board; wherein the second pulse sequence forms communication bytes in a pulse number coding mode. According to the invention, an in-place signal line which is only used for static level detection traditionally is transformed into a dynamic multifunctional channel, so that the dual defects of low communication efficiency and high misplugging risk of a traditional scheme are synchronously overcome on the premise of not increasing any hardware cost and wiring complexity.

Systems and methods are disclosed comprising instructions to access audio data of a captured interaction involving one or more participating users of a digital conference tool, receive a first narrative summary of the captured interaction comprising a set of first component narratives, generate a second narrative summary comprising a set of second component narratives, identify at least one component narrative among the set of second component narratives corresponding to the participating users, display the second component narratives of the second narrative summary at a user interface of the participating users, receive user feedback data comprising an adjustment to the displayed text content of the at least one second component narrative, generate a third narrative summary using the user feedback data received from each participating user of the captured interaction, and display the third narrative summary for the captured interaction at the user interface of each participating user.

The invention relates to the technical field of very large scale integrated circuit design verification, and discloses a hierarchical cross-clock domain signal verification method, device and equipment and a medium. According to the method, on the basis of the physical layout information file corresponding to each functional module, the target functional module to be verified is dynamically, intelligently and accurately determined from the plurality of functional modules. And performing cross-clock domain signal verification on the previous level of the target function module by extracting the target sign-off abstract model of the target function module, and performing cross-clock domain signal verification on the top system of the whole chip by analogy. As clock domain crossing signal verification does not need to be carried out on all functional modules, the efficiency of chip verification can be improved, clock domain crossing signal verification, module level focusing functional module internal logic integrity verification and top layer enhanced module crossing asynchronous path analysis are carried out on the chip layer by layer through the target sign-off abstract model, and the chip verification efficiency is improved. Therefore, the accuracy of chip verification can be improved.

The invention provides a two-stage dynamic regulation induced draft fan transformation control method and system, and the method comprises the steps: traversing an existing I / O channel of a DCS system, and recognizing an idle channel which is not referenced by logic and can be accessed by a physical terminal; based on idle channels, dynamically allocating the idle channels to newly-added fan monitoring points according to priorities, and generating a channel multiplexing mapping table; based on the channel mapping table, constructing a basic control layer comprising a fan start-stop and rotating speed adjusting loop; the safety protection layer is used for receiving data of the basic control layer in real time and generating hard protection logic of stall interlocking, vibration protection and oil station faults; constructing a collaborative optimization layer according to a safety protection layer state and a boiler load, and dynamically calculating a two-stage moving blade opening collaborative strategy; executing a moving blade opening instruction in the collaborative strategy through the basic control layer channel; based on the moving blade opening instruction, the response consistency of the safety protection layer and the collaborative optimization layer is verified by injecting the simulation fault signal, and the operation stability and reliability of the two-stage dynamic regulation induced draft fan control system are effectively improved.

The invention discloses a vehicle control software function failure analysis method and related equipment, and relates to the technical field of Internet of Vehicles, and the method comprises the steps: obtaining operation log data corresponding to a target function failure event; based on a preset mapping model, determining a target signal identifier and a fault judgment rule associated with the target function failure event; according to the target signal identifier, extracting a signal sequence in a preset time window from the running log data; performing multi-stage verification on the signal sequence to obtain a signal verification result; and determining the fault type of the target function failure event based on the fault judgment rule and the signal verification result. According to the method, the mapping model is constructed, the signal sequence is extracted through the dynamic time window, hierarchical diagnosis is performed in combination with a progressive multi-stage verification mechanism, faults of an application layer, a communication layer and a hardware layer are accurately positioned, and the vehicle control function failure diagnosis efficiency and accuracy are improved.

The invention belongs to the field of smart power grids, and discloses a new energy efficient scheduling method and system based on a smart power grid. Comprising the steps of embedding diamond NV color center microsensors to form a networked array, collecting and outputting original data in real time, extracting auxiliary environment variables for correction, generating weight vectors, adjusting a fluorescence intensity sequence layer by layer, extracting projection values for iterative optimization, and outputting a harmonic phase matrix. Decomposing a harmonic phase matrix, extracting coupling path characteristics, calculating entanglement entropy, simulating storm evolution and outputting an alarm packet if the entanglement entropy exceeds a threshold value, otherwise, continuing circulation; reconstructing a topological structure based on the alarm packet, injecting a chaos inversion signal, verifying stability and outputting a configuration abstract; and receiving a configuration abstract to operate the pulse neural network, generating an instruction based on an optical topology scheduling strategy, encrypting a distribution instruction, releasing a compensation limit and completing execution, thereby realizing new energy efficient scheduling based on the smart power grid.

The invention provides an assertion-based clock reset verification method, device and equipment and a storage medium, relates to the technical field of signal verification, is applied to a digital circuit, and comprises the following steps: obtaining an input signal generated by an excitation source; the input signal comprises at least one of a clock signal and a reset signal; determining an assertion execution sequence based on the input signal and a preset assertion priority; performing signal verification on the input signal based on a preset assertion statement according to the assertion execution sequence; wherein the assertion statements comprise a clock signal frequency assertion statement, a clock signal duty ratio assertion statement, a clock signal jitter assertion statement, a reset signal validity assertion statement and a reset signal release assertion statement. In the mode, the requirement of a modern complex digital circuit on efficient and accurate verification of the clock signal and the reset signal is met.

The invention discloses a display screen driving circuit and a display screen system, and the driving circuit comprises a statistical circuit which is used for carrying out the statistics of the use information of a display screen; the comparison circuit is electrically connected with the statistical circuit and is used for comparing the use information with a preset condition and outputting a judgment signal when the use information reaches the preset condition; the verification circuit is used for acquiring the client secret key and a preset secret key, verifying the client secret key according to the preset secret key and outputting a verification result; and the control circuit is electrically connected with the comparison circuit and the verification circuit and is used for controlling the output enabling of the driving circuit according to the verification result and the judgment signal. Whether the output of the driving circuit is enabled or not is controlled according to whether the display screen is full of the trial period or not and the verification result of the client key and the preset key, and the problem that the client can still normally use the display screen without paying the tail money when the trial period is full can be avoided.

The invention relates to the technical field of intelligent power electronics, and provides an intelligent switching-off mechanism for overload protection of a distribution box, and the mechanism comprises a current monitoring unit which is used for collecting a current signal of a main loop of the distribution box in real time, and calculating an effective current value; the temperature sensor unit is arranged in the distribution box and used for monitoring the environment temperature and the conductor temperature rise; the main control module is connected with the current monitoring unit and the temperature sensor unit, and is configured to judge whether to trigger opening according to the effective current value and the conductor temperature rise; and the double-signal verification unit comprises a 485 communication module and a hardware trigger circuit, and the opening action is allowed only when the opening instruction and the remote control signal of the main control module are received at the same time. By introducing a temperature compensation coefficient alpha and a self-adaptive algorithm, the opening threshold dynamically changes along with the environment temperature, the threshold is automatically reduced in a high-temperature environment, hidden overload caused by rising of conductor resistance is avoided, and a test shows that the misoperation rate is reduced by 67%.

The present invention discloses a signal verification method, device, processor, and electronic device for a substation. The method includes: obtaining a configuration file of the substation, where the configuration file is at least used to record the association relationships between devices in the substation; determining the signal status of an event signal of a device based on the configuration file, where the event signal is an electrical signal corresponding to an event occurring in the device; in response to the signal status being a normal signal status, respectively verifying a target relationship library and a current relationship library of the device based on a switch in the substation to obtain a verification result; in response to the verification result indicating that the target relationship library is different from the current relationship library, uploading abnormal information in the current relationship library to the cloud, where the abnormal information is used to record the communication relationship that is different from the target communication relationship in the current communication relationship. The present invention solves the technical problem of low efficiency in signal verification of the substation.

The present disclosure provides an electronic waybill, device, electronic device and computer-readable storage medium for logistics express delivery, and relates to the field of logistics technology. Among them, the electronic waybill for logistics express delivery includes: an electronic tag, the electronic tag includes an electrically connected tag chip and an implicit information response module, the tag chip is used to store the consignee information and / or consignor information of the logistics express delivery; the implicit information response module is used to obtain a read signal; the tag chip is also used to authenticate the identity carried by the read signal; the implicit information response module is also used to transmit the consignee information and / or consignor information to the terminal that sends the read signal when the tag information verifies the read signal. Through the technical solution of the present disclosure, the probability of leakage of the consignee information and / or consignor information caused by displaying the consignee information and / or consignor information on the paper waybill can be reduced.

The present invention relates to a logic simulation verification system, method, and program. The same logic simulation results are provided to each logic simulator in a short time. The logic simulation verification system verifies the change of signals described in a library, a circuit description, and a test bench for a reference signal that is a basis for the change of signals, and includes: a change timing specifying unit that specifies a reference signal and change information of the reference signal; a change possibility time calculation unit that obtains a first time when there is a possibility that a first signal substituted for a variable changes; a reference possibility time calculation unit that obtains a second time when there is a possibility that a second signal to which the variable is referred is referred; a change possibility time determination unit that compares the first times when the first signals are the same between different circuits to determine whether the first times are consistent; and a change and reference possibility time determination unit that determines whether the first signal of one party and the second signal of the other party are the same between different circuits and the first time and the second time are consistent.

The invention discloses a high-precision time-frequency signal transmission and measurement system. The system comprises multiple groups of Beidou signal receiving modules, signal analysis and processing modules, time-frequency signal extraction modules, time-frequency signal verification modules and processed signal transmission modules, wherein the Beidou signal receiving modules, the signal analysis and processing modules, the time-frequency signal extraction modules, the time-frequency signal verification modules and the processed signal transmission modules are arranged; the Beidou signal receiving module receives a time service signal and a time frequency signal of a Beidou satellite, the signal analyzing and processing module enhances the quality of the received signal, and the time frequency signal extracting module extracts time information and frequency information from the enhanced Beidou signal; the time frequency signal verification module measures the extracted time information and frequency information, and the processed signal transmission module transmits the processed Beidou time information and frequency information to user equipment and comprises a programmable digital signal processor and a filter. Compared with the prior art, the high-precision time-frequency signal transmission measurement method and system provided by the invention have the advantages of being convenient to operate and use and ensuring the use precision.

The invention discloses a satellite and public network combined image transmission method, device and system, and relates to the field of image data transmission, and the image transmission method applied to a sending end comprises the steps: initiating a first connection request to a public network server, and obtaining a first transmission mode according to the response of the first connection request; wherein the first transmission mode comprises any one of public network transmission and satellite transmission; performing subpackage compression on the to-be-sent image according to the first transmission mode to obtain a plurality of first image subpackages; initiating a signal verification request to a public network server according to the first transmission mode, and obtaining a first verification result according to the response of the signal verification request; according to the first verification result, updating the first transmission mode to obtain a second transmission mode, and updating the plurality of first image sub-packages to obtain a plurality of second image sub-packages; and sending the plurality of second image sub-packets to a receiving end in a second transmission mode. The problem that image data transmission efficiency and quality are low under the condition of low network coverage can be solved.

The invention discloses a Bluetooth car key communication method and system for heterogeneous equipment, and relates to the field of communication, and the method comprises the steps: configuring a vehicle-mounted switching box as a fixed host role, configuring an intelligent key and terminal equipment as fixed slave roles, judging the current equipment life cycle stage of the intelligent key, and sending the current equipment life cycle stage to a server; when the intelligent key is in a pairing stage or a firmware upgrading stage, controlling the intelligent key to send a discoverable broadcast signal in a non-directional broadcast mode; when the intelligent key completes pairing and enters a daily use stage, switching a broadcast mode of the intelligent key into a directional white list broadcast mode, controlling the intelligent key to send a directional broadcast signal to a vehicle-mounted switching box in a pre-stored authorized equipment white list, controlling the vehicle-mounted switching box to scan and receive the directional broadcast signal, and sending the directional broadcast signal to the vehicle-mounted switching box; and after the authentication code is verified, the vehicle-mounted switching box actively initiates connection with the intelligent key. By implementing the method, scanning conflicts caused by the fact that the intelligent key and the mobile phone serve as hosts at the same time in the Bluetooth car key system can be reduced.

The invention relates to the field of intelligent driving, in particular to a signal verification method, device and equipment and a storage medium, and aims to realize accurate cross-core synchronization of Ethernet signal verification results. The method comprises the following steps: acquiring a thread lock corresponding to a shared resource through a first software layer; under the condition that the thread lock is successfully acquired, the Ethernet signal verification result of the vehicle is written into the shared resource through the first software layer; under the condition of successful writing, releasing the thread lock through the first software layer; obtaining the thread lock through a second software layer; under the condition that the second software layer obtains the thread lock, the Ethernet signal verification result is read through the second software layer; and through the second software layer, according to the Ethernet signal verification result, determining whether the vehicle has a functional abnormality or not.

The invention relates to a validity verification method and device based on a dual-core lockstep mechanism, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring fault injection configuration parameters for performing electromagnetic fault injection; the fault injection configuration parameters comprise fault generation parameters, and the fault injection configuration parameters indicate to-be-verified functions; a verification instruction corresponding to the to-be-verified function is sent to a chip with a dual-core lockstep processor, so that the chip is switched to a test program corresponding to the to-be-verified function; electromagnetic interference is injected into the chip based on the fault generation parameters so as to trigger a dual-core lockstep processor of the chip to break down; and when the to-be-verified function is a fault detection function, obtaining a fault detection state and a fault output signal output by the chip, and verifying the validity of the fault detection function according to the fault detection state and the fault output signal. By adopting the method, the reliability of a verification result of validity verification based on dual-core overlock can be improved.

A secure boot method of an Internet of Things (IoT) apparatus includes: in response to a system boot signal of the IoT apparatus, verifying an authentication signature of a bootloader firmware and an authentication signature of an application layer (App) firmware; reading an encryption key stored in a one-time programmable memory in response to determining that the authentication signature of the bootloader firmware and the authentication signature of the App firmware both pass verification, in which the encryption key is configured to have a write protection attribute; decrypting the App firmware according to the encryption key, and running the decrypted App firmware; and in response to determining to read encrypted flash-memory partition data in a flash memory (Flash), decrypting the encrypted flash-memory partition data according to the encryption key, so as to securely boot up the IoT apparatus.

According to an embodiment of the present invention, a hybrid communication control device for charging an electric bus comprises: a pantograph communication unit which processes a first communication sequence so that charging power is supplied from a pantograph charger to a battery mounted on the electric bus; a wired charging communication unit for processing a second communication sequence so that charging power is supplied from a wired charger to the battery; a Wi-Fi signal reception unit which is connected to a Wi-Fi module mounted on the electric bus through wireless communication and receives a wireless signal from the Wi-Fi module; and a Wi-Fi signal verification unit which is connected to the pantograph communication unit, the wired charging communication unit, and the Wi-Fi signal reception unit over a wired / wireless network and drives any one of the pantograph communication unit or the wired charging communication unit according to the reception strength of the wireless signal.

The invention relates to the technical field of electronic design automation, in particular to an analog signal verification method for digital-analog hybrid simulation, which comprises the following steps: identifying a plurality of verification nodes in an analog module to be tested; configuring an analog-to-digital conversion threshold parameter for the verification node; in a simulation process, monitoring an analog signal value on the verification node in real time, and converting the analog signal value into a digital logic value according to an analog-to-digital conversion threshold parameter; transmitting the digital logic value to a digital verification platform through an emulator interface; the digital verification platform applies the digital logic value to a digital shadow model corresponding to the tested analog module interface; function coverage collection and assertion check are performed based on the signals of the digital shadow model. According to the method, the problem that analog signals cannot be effectively verified through traditional digital-analog hybrid simulation is solved, verification completeness is remarkably improved, design errors can be automatically found in the early stage, existing digital verification platform resources are fully reused, and verification efficiency and reliability of a mixed signal chip are greatly improved.

A pet entry system and process including determining if a sensor or button has been triggered or activated; activating or waking at least one processor if at least one sensor or button has been triggered or activated; scanning for a wireless key signal; receiving a wireless key signal from a tag; validating or authenticating the wireless key signal received from the tag; evaluating a distance of the tag to the wireless key receiver if the received wireless key signal is valid; confirming if the distance of the tag is within a predetermined distance or proximity range and the wireless key signal is valid; sending a door open to a door controller if the tag is within the predetermined distance or proximity range; and ending the scanning for wireless key signal.

The utility model belongs to the technical field of construction elevators in hoistways, and particularly relates to an intelligent lifting machine for construction in a hoistway and a floor landing door linkage device of the intelligent lifting machine, a cage is arranged in the hoistway, and a landing door frame is arranged on a floor plate; the floor landing door is arranged on the landing door frame; the signal verification switch is arranged on a cage and / or a floor landing door; the electromagnetic lock is arranged on a door frame of the floor door, and the locked floor door can be opened after the signal verification switch transmits an electric signal; the locking verification switch is arranged on the landing door frame and is linked with the cage door and the electromagnetic lock; the cage door is opened, the electromagnetic lock is opened, the locking verification switch is switched off, the cage door is kept in an open state, and the floor door can be opened; when the floor landing door is closed, the locking verification switch is started, the cage door is closed, and the electromagnetic lock locks the floor landing door. Only after the floor door and the cage door are completely closed, the construction hoist can operate, and if one of the floor door and the cage door is not completely closed and locked, the construction hoist cannot operate, so that safe and reliable production is ensured.

The application relates to a Bluetooth car key communication method and system for heterogeneous devices, and relates to the field of communication.The method comprises the following steps: configuring a vehicle-mounted adapter box as a fixed host role and configuring a smart key and a terminal device as fixed slave roles; judging a device life cycle stage in which the smart key is currently located; when the smart key is in a pairing stage or a firmware upgrading stage, controlling the smart key to send a discoverable broadcast signal in a non-directional broadcast mode; when the smart key completes pairing and enters a daily use stage, switching a broadcast mode of the smart key into a directional whitelist broadcast mode, controlling the smart key to send a directional broadcast signal to a vehicle-mounted adapter box in an authorized device whitelist which is stored in advance, controlling the vehicle-mounted adapter box to scan and receive the directional broadcast signal, and initiating a connection with the smart key by the vehicle-mounted adapter box after verifying an authentication code. By implementing the method, scanning conflicts caused by the smart key and a mobile phone simultaneously serving as hosts in a Bluetooth car key system can be reduced.

A replacement storefront door lock with no drilling is provided. The replacement storefront door lock with no drilling includes an outdoor component; an indoor component; a mortise including a housing, a bolt and a drive shift, the bolt movably disposed in the housing; a tailpiece; and an electronic assembly including a main circuit board, a motor located in the indoor component and a command-signal verification element located on the outdoor component. The motor and the command-signal verification element are electrically connected to the main circuit board. A conductor connected to the main circuit board passes through a wire hole of the housing to transmit electronic signal. The replacement storefront door lock with no drilling in this application can replace old lock without drilling new holes; with the conductors, the replacement storefront door lock with no drilling can be a smart lock.

Methods and systems are disclosed for migrating a confidential virtual machine (CVM) to a remote computer system. A method that is implemented in a virtualized firmware layer of a CVM involves receiving a migration signal from an orchestration component at a host partition, validating the security state of the remote system, and upon validation, removing a first secret from the virtualized firmware layer. The guest state file associated with the CVM is encrypted using a second secret from the remote system, capturing the state of the firmware layer. Subsequently, the CVM migration is initiated by transmitting the encrypted guest state file to the remote system, ensuring a secure and confidential transfer of the CVM to the designated destination.