16results about How to "Valid verification" patented technology

The invention discloses a low earth orbit satellite Internet of Things communication method and system based on a dynamic block chain, and the method specifically comprises the steps: taking at least one ground station as a consensus node in each network partition, forming a consensus network, and selecting a main node from a plurality of consensus nodes of each consensus network through employing an RBFT algorithm; a satellite transit algorithm is adopted to predict transit information of each low-orbit satellite, and the low-orbit satellites passing through any consensus network are set as accounting nodes of the consensus network according to the transit information; the method comprises the following steps: acquiring a service request of a satellite communication terminal, forwarding the service request to a main node of a consensus network to which the service request belongs through a low-orbit satellite of a transit satellite communication terminal, performing verification and priority ranking on the service request according to the main node, and if the verification is passed, performing broadcast and consensus verification on all nodes of the current consensus network. According to the invention, the communication efficiency and safety of the low-orbit satellite Internet of Things are improved, and reliable technical support is provided for satellite Internet application.

The invention discloses a method for predicting the remaining service life of an energy storage battery and a related device. The method comprises the following steps of: establishing maximum discharge energy-circulation circle data of a full life cycle of the battery; sG filtering smoothing is carried out, the maximum discharge energy value of the first circle is used as an initial energy value to convert the maximum discharge energy of the single circle of the battery into SOH, standardization processing is carried out, and a time window sliding method is adopted to divide an obtained standardized data set; constructing a time sequence prediction model based on the LSTM, and training the time sequence prediction model based on the LSTM by using the standardized data set X; the method comprises the following steps: collecting discharge energy data of a to-be-tested battery in an actual operation process in an energy storage system in the (1-n) th circle, inputting the discharge energy data into a pre-trained LSTM time sequence prediction model after standardization processing, outputting predicted SOH values of the (n + 1) th circle to the Nth circle, and establishing a complete battery SOH attenuation curve in combination with the data after standardization processing to obtain the remaining service life of the battery.

The invention relates to an AHB interface general verification system and method in chip design, the AHB interface general verification system is constructed by designing a verification means of a code integration AHB assertion check module, an AHB is connected with each component, the integrated AHB assertion check module automatically checks whether each AHB interface function meets an AHB protocol requirement or not after a CPU component starts to work, and the AHB assertion check module is used for checking whether each AHB interface function meets the AHB protocol requirement or not. And when the function of any AHB interface is detected not to meet the AHB protocol requirement, a detection error is generated, so that the problems in the AHB bus design can be found in time, accurately and conveniently. Compared with the prior art, the method has the advantages of being low in threshold, high in adaptability, convenient to position and the like, can be applied to the AHB interface verification environment in the existing chip design in a barrier-free mode, achieves efficient verification of the AHB interface in the universal chip design, and improves the verification efficiency even under the condition that verification personnel are lack of the capacity of building a complex verification environment. And effective AHB bus function verification can also be carried out.

The invention belongs to the technical field of biological medicine, and particularly relates to an integrated PCSK9 adenine base editing system and application. The integrated PCSK9 adenine base editing system comprises the following structures: (1) a single plasmid; (2) a PCSK9 adenine base editor; and (3) delivering the carrier. Wherein the single plasmid and the PCSK9 adenine base editor form a single plasmid integrated adenine base editor, and then the single plasmid integrated adenine base editor is wrapped by the delivery carrier to form the integrated PCSK9 adenine base editing system. The invention provides an integrated base editing system with a built-in liver specific promoter, the integrated base editing system can be specifically expressed in liver cells, and meanwhile, the problems that double-stranded DNA needs to be cut off in a traditional Crispr / gRNA technology, and the off-target effect and uncertainty of gene editing are greatly relieved are solved; in addition, the problems that in a traditional double-plasmid system, the efficiency of two plasmids entering the same target cell is different, and the editing efficiency is low can be solved.

The present invention discloses a method and device for simulating the generation of S-mode baseband signals, and relates to the field of air traffic control monitoring technology, so as to solve the problem that the S-mode transponder cannot effectively verify the S-mode signal in factory testing and field testing. The method includes pre-inputting a plurality of simulated ADS-B message data; FPGA receives and parses the simulated ADS-B message data and then performs baseband pulse information encoding to generate a simulated S-mode baseband signal, and the FPGA controls the time delay between baseband channels during baseband encoding; and detects the simulated S-mode baseband signal and the operating status of the device. The present invention can simulate the avionics equipment to send out the S-mode baseband signal, so as to facilitate the S-mode transponder to actually verify the S-mode signal during factory testing or field testing.

The present invention proposes a multi-modal fusion handwritten electronic signature verification method, which includes the following modality data preprocessing and feature extraction steps: S1 : Collect several modal data of the user's handwritten electronic signature, including signature image pic and signature timing data seq;S2 : Obtain the pressure matrix through the signature time series data pmat ; The signature timing data includes the horizontal coordinates of each moment xt , vertical coordinate yt and pressure pt , first generate the size ymax × xmax Two-dimensional all-zero matrix, then put the matrix in yt OK xt The column is assigned pt ; Interpolate the matrix and unify it to the signature image pic Same size H × W ; S3 :Extract local features through signature time series data, and define time functions at the same time. Extract speed, angle and acceleration features from the time series with coordinate, time and pressure information to obtain the time series with extended dimensions. Through interpolation operations, the writing time differences of each signature are regularized to a uniform length. L .

The invention provides a collaborative interaction method, terminal and system for collecting eye movement information, brain fnirs detection data and electroencephalogram data, and the method comprises the steps: sequentially executing a preset number of task blocks for a subject at a preset first time interval by using a display, performing positive eye jump trials and negative eye jump trials alternately in a pseudo-random manner in each task block, wherein the execution of the positive eye jump trials includes sequentially presenting a first visual element, a first identifier indicating positive eye jump and a second visual element; the step of executing the anti-eye-jump test includes sequentially presenting the first visual element, a second identifier for indicating anti-eye-jump and the second visual element; the method comprises the following steps: collecting eye movement information, brain fnirs detection data and electroencephalogram data of a subject in each test time; in this way, the obtained eye movement information, the brain fnirs detection data and the electroencephalogram data can be cooperatively used for auxiliary assessment of brain functions related to cognitive impairment, and a more accurate classification model can be conveniently established for subsequent diagnosis of cognitive impairment.

This invention relates to the field of bioengineering technology, specifically to an endogenous signal peptide element fused with the MF-αpro region and its applications. The endogenous signal peptide element is composed of an endogenous signal peptide from Pichia pastoris with the C-terminus fused with MF-αpro or with amino acids 38 to 51 of the MF-αpro region detached; the amino acid sequence of the MF-αpro region is shown in SEQ ID NO:8; the amino acid sequence of the MF-αpro region with detached amino acids 38 to 51 is shown in SEQ ID NO:10. This invention provides a complete solution from rational screening to functional verification to element optimization. The resulting highly efficient, patent-free signal peptide element is suitable for the production of industrial enzymes, pharmaceutical proteins, and diagnostic reagents.

The invention provides an application of aryl olefine acid schisandra chinensis phenolic ester (O-dihydroxyphenyl) hernandezine and a derivative thereof in preparation of a medicine for treating depression and an anti-depression medicine prepared from the O-dihydroxyphenyl hernandezine and the derivative of the O-dihydroxyphenyl hernandezine and the derivative of the O-dihydroxyphenyl hernandezine. The application dosage is 0.01-30 mg of aryl olefine acid schisandra phenolic ester or the derivative thereof per kilogram of body weight, and the anti-depression effect can be achieved within 60 minutes after administration. After the medicine is administrated for 5 days, a remarkable anti-depression effect can be generated at a high dosage. A research result shows that in a mammal mouse tail suspension experiment, the aryl olefine acid schisandra phenolic ester or the derivative thereof has a rapid anti-depression effect and is more effective than a conventional anti-depression drug fluoxetine. According to the invention, a forced swimming experiment and a mouse tail suspension experiment are adopted as drug screening experiments, and meanwhile, an open field test is carried out on the mouse, so that the autonomous activity of the mouse is detected, and the interference of central excitation drugs is avoided. The anti-depression drug has the advantages of being remarkable in anti-depression effect, quick in effect taking, small in dosage, small in side effect and the like, and is expected to become a new anti-depression drug which is quick, efficient and novel in mechanism.

The invention discloses an association method for variable digital authentication information of a variable holographic material and an anti-counterfeiting printed matter, which belongs to the technical field of anti-counterfeiting, and comprises the following main steps: S1, generating coded graphic information; s2, defining the variable holographic material as a group of coded graphic information carriers; s3, the split codes are given to all the variable holographic materials according to the position information; s4, according to the corresponding relation with a group of coding graphic information carriers, generating coding identification information from the position information of the common anti-counterfeiting codes in the coding identification information carriers, and recording the coding identification information on the anti-counterfeiting printed matter; s5, combining the group of coding graphic information carriers and the group of coding identification information carriers according to a corresponding relation to obtain a group of anti-counterfeiting code labels; s6, associating the code on the variable holographic material to the common anti-counterfeiting code according to the corresponding position relationship between the variable holographic material and the common anti-counterfeiting code; s7, cutting a hollow area of the anti-counterfeiting code label; the invention aims to improve the anti-counterfeiting reliability and stability and reduce the production cost and the production complexity.

The invention discloses a block chain identity anonymity method capable of being supervised by multiple parties, and the method comprises the steps: receiving a transaction sent by a sender, and the transaction comprises a one-time address, a plurality of identity ciphertexts, and a plurality of supervisible certificates; the one-time address is a target address generated by the sender according to a query public key and a decryption public key of the identity information certificate sent by the receiver; the identity ciphertext is obtained by encrypting a query public key and a decryption public key of a receiver by the sender through the public keys of the supervision parties; the multi-party supervision proof is obtained by the sender through calculation based on a one-time address calculation process, an identity ciphertext encryption process and an identity information certificate; the sender and the receiver register in the public key infrastructure to obtain an identity information certificate; and verifying the multi-party supervision proof, and if the verification is passed, confirming the transaction and executing the transaction. According to the method and the device, the anonymity of the identity and the non-linkability between the one-time addresses of the same identity are ensured.

The present application relates to the field of identity authentication technology, and discloses a method and system for automating the real-name signature title of a short message. The method comprises: performing character set verification on the short message signature title input by the user to obtain a valid character string that complies with the character set specification of the target language; performing unified encoding conversion on the valid character string to obtain a standardized unified encoding character string; performing multi-factor authentication on the identity information provided by the user to obtain a user identity authentication result; performing security assessment on the user identity authentication result to obtain a user identity credibility index; performing correlation processing on the unified encoding character string and the user identity credibility index to obtain a signature title authentication data packet; encrypting and storing the signature title authentication data packet to obtain an encrypted signature title data record. The present application realizes efficient verification, secure storage and rapid retrieval of the short message signature title, thereby effectively improving the credibility and security of short message communication.

The present invention discloses a method, device, controller, system and storage medium for simulating faults in a nuclear power plant DCS. The method comprises: determining at least one fault simulation task according to a historical fault list, wherein the fault simulation task includes fault deduction requirement information, fault handling information and monitoring indicators; starting a nuclear power plant DCS simulation environment according to the fault deduction requirement information, so as to start the deduction fault simulation task in the nuclear power plant DCS simulation environment and obtain deduction data; at the same time, real-time monitoring is performed on the started deduction fault simulation task according to the monitoring indicators to obtain monitoring data corresponding to each monitoring indicator; parameter change information is determined according to the monitoring data and the fault handling information, and a task deduction report corresponding to the fault simulation task is generated according to the parameter change information and the deduction data. The present invention improves the safety and efficiency of fault simulation and fault handling deduction, and also improves the simulation accuracy, flexibility and reliability.

The invention discloses a network routing traffic simulation method and device, and relates to the technical field of traffic simulation, the simulation device comprises a first receiving module, an acquisition module, a first simulation module, a second simulation module, a sending module, a second receiving module, an analysis module, an analysis module and an output module, the first simulation module comprises a first simulation sub-module, a second simulation sub-module and a third simulation sub-module. According to the invention, the real traffic scene is defined through the scene association rule, the real traffic scene is restored through simulation of the scene association rule, and the network equipment is tested by using the restored real traffic scene, so that a more accurate test result can be obtained, and the test efficiency is improved. Compared with the prior art that only the basic network protocol of the network equipment is simulated, the simulation method and device can restore various real traffic scenes of the network equipment, and more comprehensive simulation is achieved.

This invention discloses an adversarial hint copyright verification method and device based on multi-model joint gradient optimization. Addressing the weaknesses of single-model fingerprint generation in terms of weak adversarial capabilities, poor transferability, and insufficient concealment, this invention constructs multiple downstream models to simulate technical variations of the original model series. It employs multi-model joint gradient optimization to generate adversarial hints with cross-model recognition capabilities as model fingerprint features. Copyright verification is achieved by detecting the specific response patterns of the test model to the adversarial hints. This invention relies on multiple downstream models to capture the most essential features of the original model. Adversarial hints optimized using these features possess stronger specificity and effectiveness, effectively addressing intellectual property risks such as model leakage and unauthorized distribution.

The application provides a blockchain-based verifiable keyword Top-K non-fuzzy query and fuzzy query method, and a scheme combines RSA accumulators, inverted indexes and prefix trees and other related technologies to construct an ADS, and realizes ranking search verification of non-fuzzy queries and fuzzy keywords. The framework of the application can enable light nodes to effectively verify the correctness of query results, and performs well in search, verification, storage and update operations, and has good practical value.