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52results about How to "Does not affect correctness" patented technology

Echo signal processing method and apparatus thereof

The invention relates to an echo signal processing method and an apparatus thereof. The method comprises the following steps: acquiring every sub-band energy of an echo signal according to the every sub-band energy of a first reference signal and an estimated adaptive envelope filtering coefficient, wherein the first reference signal is corresponding to a first echo signal of a first microphone signal; acquiring a gain coefficient according to the every sub-band energy of the first microphone signal and the every sub-band energy of the echo signal; adjusting the first microphone signal according to the gain coefficient so as to obtain a microphone signal after eliminating the first echo signal. The apparatus in embodiments of the invention possesses insensitivity to phase. When an echo path changes, correctness of estimation is not affected. Effect of echo signal elimination can be raised.
Owner:GLOBAL INNOVATION AGGREGATORS LLC

Formal verification method for security protocol

The invention provides a formal verification method for a security protocol, which comprises the following steps of: 1) giving the security protocol under a set network environment; 2) layering the security protocol according to functions realized by an execution step of the security protocol; 3) decomposing an expected security goal into subgoals corresponding to sublayers; 4) modeling each sublayer in turn and describing each subgoal; and 5) respectively verifying whether layering models constructed in the step 4) meet the subgoals corresponding to the layering models or not, and if so, finishing the verification of the security protocol. By combining a layering method with a model checking scheme, dividing the security protocol into clearly layered modules and verifying the modules respectively, the complexity of accurate modeling is reduced; and on the premise of not influencing the correctness of a verification result, the scale of a state space in the checking process is greatlyreduced.
Owner:INST OF SOFTWARE - CHINESE ACAD OF SCI

Transaction deletion method and system under user balance privacy protection and authorization supervision

The invention provides a transaction deletion method and a system under user balance privacy protection and authorization supervision, which are suitable for an alliance chain. The method comprises the following steps: an initialization step of participating in each party: defining role classification and functions of member nodes, generating public and private keys of the member nodes, and generating supervision parameters of an authorization supervisor; and an account transfer initiating step: enabling a common user to initiate an account transfer transaction, and sending account transfer transaction information to the accounting node, the authorization supervisor and the account transfer receiver. According to the invention, an authorization supervisor can revise malicious information on a block chain without influencing link information of an existing block chain; according to the scheme of the invention, the chameleon hash function and the traditional password hash function are used at the same time, and the collision algorithm of the chameleon hash function is used, so that an authorized supervisor can revise the block carrying malicious information and keep the original hashvalue of the revised block unchanged, and the correctness of the effective block is not influenced.
Owner:SHANGHAI JIAO TONG UNIV

Distributed-type parallel computing platform system based on Web dynamic participation

The invention discloses a distributed-type parallel computing platform system based on Web dynamic participation. The distributed-type parallel computing platform system based on the Web dynamic participation comprises a computing task management host machine and a computing node, wherein the computing task management host machine comprises a computing task decomposition unit, a computing task distributing unit, a Web server unit, a computing result collection unit and a computer result summarizing processing unit, the computing node comprises a Web browser and a Java Applet node program embedded and operated in a webpage of the Web browser, and the computing task decomposition unit is used for decomposing a computing task and packaging the computing task into a computing task package. Any network idle computer accesses a service website of the Web server unit through the browser and obtains the webpage containing the Java Applet node program to be a computing mode, and the node program obtains the computing package from the computing task distributing unit through remote method invocation (RMI) and sends the computing result to the computing result collection unit. The distributed-type parallel computing platform system based on the Web dynamic participation utilizes the network idler computing resources to carry out high-performance computing, is low in cost and is flexible and convenient to implement.
Owner:HOHAI UNIV

Method and system for monitoring software service quality based on Bayesian inference

The invention discloses a method and a system for dynamically monitoring the software service quality based on Bayesian inference. The method comprises the following steps of: setting null hypothesis and alternative hypothesis, selecting a prior distribution function, reading a training sample, pre-processing the training sample, counting the quantity of samples meeting attributes, and updating a sample set; reshaping the total quantity of samples, the quantity of successful samples and a standard value; and calculating a Bayesian factor, and analyzing, storing and returning a monitoring result. The system comprises a controller, an observer and an analyzer, wherein the controller is used for acquiring the service statement of software, generating an analyzer of different task objectives, transmitting a service standard required to be matched to the analyzer, issuing a command to a data acquisition end, and controlling periodic acquisition; the observer is used for periodically acquiring needed service data from a data service end, and screening, classifying and rearranging information; and the analyzer is used for matching data to form a sample which can be pre-processed, transmitting into a history database for storing, analyzing data by adopting a Bayes statistical module, and storing a result into a monitoring result database.
Owner:HOHAI UNIV

Short-distance measurement method and structure of grounding resistance of grounding network

The invention discloses short-distance measurement method and structure of the grounding resistance of a grounding network. A current pole used for measuring the grounding resistance of the grounding network is arranged near the grounding network to be measured, even inside the grounding network; the current pole is used as a small grounding network to be measured, and the grounding resistance R pole of the current pole is measured by the traditional long-distance measuring method; finally, a test voltage is applied between the grounding networking to be measured and the current electrode, a test current between the grounding network to be measured and the current pole is measured by an ampere meter, and the total grounding resistance R (total) of the grounding network to be measured and the current pole is calculated by using the Ohm's law; and the grounding resistance R pole of the current pole is subtracted from the R (total) to obtain the grounding resistance R (network) of the grounding network to be measured. The invention not only can avoid the problems of long wire pay-off distance, large work load, easy interference production and the like, but also can avoid the technical difficulty that the measurement precision of the traditional short-distance measurement method can not satisfy actual requirements.
Owner:GUIZHOU NANYUAN ELECTRIC POWER TECH +1

Demodulation method for multi-user mapping signal

This invention discloses a demodulation method for multi-user mapping signals including: the transmission end transmits modulation parameter information and multi-user mapping signal to the receiving end of each user contained in the multi-user map to generate a constellation mapping list based on the information and a preserved multi-user signal modulation method, the receiving end in the map decides the constellation point nearest to the multi-user mapping signal based on the constellation mapping list and selects the information bit occupied by it from the information bit corresponding to the dot, which is used in the cellular system based on OFDM and multi-user multiplex to provide a general demodulation method for multi-user mapping.
Owner:HUAWEI TECH CO LTD

Method and device for error correction and calibration of communication data packets

Provided are a method and device for error correction and calibration of communication data packets. The communication data packets comprise an initial data packet and an error correction data packet, wherein the initial data packet comprises N initial data blocks including N-1 first valid data blocks and a first calibration data block, the error correction data packet comprises N error correction data blocks corresponding to the N initial data blocks in a one-to-one mode, a receiving end carries out a first calibration operation on the first valid data blocks according to the first calibration data block, if the first calibration result is correct, the first valid data blocks are processed, and otherwise, the receiving end conducts an error correction operation on the initial data packet according to the error correction data packet to obtain a correction data packet; the correction data packet comprises N-1 second valid data blocks and a second calibration data block, the receiving end carries out a second calibration operation on the second valid data blocks according to the second calibration data block, if the second calibration result is correct, the second valid data blocks are processed, and otherwise, the receiving end abandons the initial data packet and the error correction data packet and requests to resend the communication data packets.
Owner:TENDYRON CORP

Processing method for embedding information on paper medium file

The invention provides a method of processing embedded information in paper medium file, comprising the steps of: reading the to-be-embedded information, RS coding the information, converting the paper medium file into image data, configuring the halftone screen coding, arranged into two-dimensional distribution at certain interval, at the interval of a print image, forming shading of the print image, composing the print image of the embedded information; printing and outputting the print image of the embedded information, or outputting the printing plate-making data for plate-making, and printing the print image of the embedded information. The method can directly embed much information on the paper medium file and can be used in the fields of automatically reading the paper medium file, and anti-fake of certificates, production and management of classified documents.
Owner:天津市阿波罗信息技术有限公司

Method and system for implementing concurrent execution of cache data access and loading

The invention discloses a method for achieving the concurrent process of buffer data accessing and loading, which comprises using two data buffer areas to store data, wherein either of the data buffer areas is in an accessing state, and the other is in a wait state, using a data loading pointer and a data visiting pointer to point for the two data buffer areas, using the data loading pointer to point for the data buffer area in the wait state when loading for buffer data, and loading buffer data, and simultaneously using the data visit pointer to point the data buffer area in the accessing state if buffer data are needed to be accessed, and accessing buffer data. Data can be accessed when loading data according to the method without influencing the accuracy of accessing data, and the speed of accessing data can be improved.
Owner:北京空中信使信息技术有限公司

Synthetic aperture radar control interface network

The invention provides a synthetic aperture radar control interface network which comprises a plurality of control interface nodes and transmission media used for connecting the control interface nodes into a ring topology network. The control interface nodes comprise a main node and a plurality of secondary nodes, wherein the main node adopts a network interface chip as an input and output interface. The main node is used for starting and ending control information data packages. The control information data packages are sequentially transmitted in the control interface nodes of the ring topology network and comprise information sessions corresponding to the secondary nodes. The information sessions comprise control instructions controlling the secondary nodes. The secondary nodes are used for receiving the control information data packages and analyzing the control instructions corresponding to the secondary nodes from the information sessions, corresponding to the secondary nodes, of the control information data packages. The synthetic aperture radar control interface network has the advantages of being high in speed, efficiency and reliability, and enhancing the maintainability.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI

Method for interpreting data structure of memory data block

The invention discloses a method for interpreting the data structure of the internal memory data blocks which comprises, the structure analyzer analyzing the source file to create the type structural description file, and storing it on the host computer where the internal memory decryption course locates, obtaining the byte stream data of the internal memory data block, selecting the structural description file corresponding to the internal memory data block and creating a structure tree, and displaying the meaning of each byte of the internal memory data block, thus the internal memory data block is interpreted.
Owner:ZTE CORP

Processing method for imperfection failure diagnosis information

InactiveCN101387886AImprove use valueGuaranteed objective authenticityElectric testing/monitoringDecision tableDevice failure
A processing method for incomplete failure diagnosis information relates to a diagnostic method for equipment failures, which solves problems including 1, the elimination method, eliminating a small number of incomplete failure diagnosis information, can severely impact information objectivity and result accuracy, thereby resulting in insignificance of the obtained failure diagnosis decision rules, 2, the completion method, completing the incomplete failure diagnosis information, can be divorced objective facts, and if inaccurate information are filled in, additional noise can be led in, thereby causing errors of failure diagnosis information and further resulting in a misdiagnosis. The processing method includes firstly filling an incomplete failure diagnosis decision table according to incomplete information in database, building up a resolution matrix table for failure targets according to the incomplete failure diagnosis information decision table, reducing resolution matrix elements corresponding to failure diagnosis target on each line of the resolution matrix table, and finally obtaining an optimum failure diagnosis decision rule table. The invention is adaptable to diagnosis of equipment failures.
Owner:HARBIN INST OF TECH

Light-emitting diode (LED) lamp

The invention relates to a light-emitting diode (LED) lamp, which comprises a lamp body, a first electrode contact, a second electrode contact, a third electrode contact and a fourth electrode contact, wherein the first electrode contact and the second electrode contact are arranged at the first end part of the lamp body; the third electrode contact and the fourth electrode contact are arranged at the second end part of the lamp body; the first electrode contact and the fourth electrode contact are located at the same side of the lamp body and are opposite in polarity; the second electrode contact and the third electrode contact are located at the same side of the lamp body and are opposite in polarity; the first electrode contact and the third electrode contact are same in polarity; and the first electrode contact and the third electrode contact are respectively provided with a mistake prevention device.
Owner:FOXSEMICON INTEGRATED TECHNOLOGY (SHANGHAI) INC +1

Method and device for weather resource data processing by server and client

The invention provides a method for weather resource data processing by a server. The method comprises the steps of classifying each weather data source; from the weather data source with the highest evaluation grade corresponding to a required area, reading weather data of the required area, and taking the read weather data as optical weather data; from the weather data source of the next evaluation grade corresponding to the required area, reading missing or defective weather data of the required area, supplementing the read weather data to the optimal weather data; and using the optimal weather data to update a weather database for a client to read. The server has very good flexibility, and weather data customized by the client can be provided according to different requirements; the client does not rely on weather data source update, and problems that it is single when data is queried from a single data source and the resource consumption is large when data is queried from multiple data sources are also solved.
Owner:HANGZHOU LIANLUO INTERACTIVE INFORMATION TECH CO LTD

Short-distance measurement method and structure of grounding resistance of grounding network

The invention discloses short-distance measurement method and structure of the grounding resistance of a grounding network. A current pole used for measuring the grounding resistance of the grounding network is arranged near the grounding network to be measured, even inside the grounding network; the current pole is used as a small grounding network to be measured, and the grounding resistance R pole of the current pole is measured by the traditional long-distance measuring method; finally, a test voltage is applied between the grounding networking to be measured and the current electrode, a test current between the grounding network to be measured and the current pole is measured by an ampere meter, and the total grounding resistance R (total) of the grounding network to be measured and the current pole is calculated by using the Ohm's law; and the grounding resistance R pole of the current pole is subtracted from the R (total) to obtain the grounding resistance R (network) of the grounding network to be measured. The invention not only can avoid the problems of long wire pay-off distance, large work load, easy interference production and the like, but also can avoid the technical difficulty that the measurement precision of the traditional short-distance measurement method can not satisfy actual requirements.
Owner:GUIZHOU NANYUAN ELECTRIC POWER TECH +1

Deep learning method for voice medical advice

The invention discloses a deep learning method for a voice medical advice. The method comprises the following steps sequentially: a voice medical advice is acquired; the voice medical advice is converted to text data and the text data are stored; key words in the text data are extracted, and key words extracted from medical advices for the same patient in different periods are classified, and thesame key words are categorized to the same class; according to variables in the same class of key words, a corresponding chart is made; and the corresponding made chart is stored and outputted, and incombination of the corresponding chart, the change condition of the patient is monitored and a treatment plan suitable for the patient is made. The medical advice is recorded into voice, and the workload of a doctor is reduced.
Owner:成都赫思维信科技有限责任公司

Method and device for error correction and verification of communication data packets

A communication data packet error correction method and device, the communication data packet includes an initial data packet and an error correction data packet, wherein the initial data packet includes N initial data blocks, and the N initial data blocks include N-1 first A valid data block and a first verification data block, the error correction data packet includes N error correction data blocks corresponding to the N initial data blocks one by one, and the receiving end performs a check on the first valid data block according to the first verification data block The first verification operation, if the first verification is correct, then process the first valid data block, otherwise, the receiving end performs error correction operation on the initial data packet according to the error correction data packet to obtain the correction data packet, the correction data The packet includes N-1 second valid data blocks and a second verification data block, and the receiving end performs a second verification operation on the second valid data block according to the second verification data block, and if the second verification is correct, then Process the second valid data block; otherwise, the receiving end discards and requests to resend the communication data packet.
Owner:TENDYRON CORP

Process for preparing mask-type ROM

A manufacturing method of a mask-type read-only memory. First, a buried bit line is formed on a base, and then a gate dielectric layer and a word line are formed on the base. The word line is perpendicular to the buried bit line. At this time, the part of the substrate located between a pair of buried bit lines and below a word line serves as a memory cell. Then cover the base with a first dielectric layer, and then form several coding windows in the first dielectric layer, which are located above part of the memory cells. Then an ion is implanted into the memory unit under the encoding window, and a second dielectric layer is formed on the substrate to fill up all the encoding windows.
Owner:MACRONIX INT CO LTD

Processing method for embedding information on paper medium file

The invention provides a method of processing embedded information in paper medium file, comprising the steps of: reading the to-be-embedded information, RS coding the information, converting the paper medium file into image data, configuring the halftone screen coding, arranged into two-dimensional distribution at certain interval, at the interval of a print image, forming shading of the print image, composing the print image of the embedded information; printing and outputting the print image of the embedded information, or outputting the printing plate-making data for plate-making, and printing the print image of the embedded information. The method can directly embed much information on the paper medium file and can be used in the fields of automatically reading the paper medium file, and anti-fake of certificates, production and management of classified documents.
Owner:天津市阿波罗信息技术有限公司

Synthetic Aperture Radar Control Interface Network

The invention provides a synthetic aperture radar control interface network which comprises a plurality of control interface nodes and transmission media used for connecting the control interface nodes into a ring topology network. The control interface nodes comprise a main node and a plurality of secondary nodes, wherein the main node adopts a network interface chip as an input and output interface. The main node is used for starting and ending control information data packages. The control information data packages are sequentially transmitted in the control interface nodes of the ring topology network and comprise information sessions corresponding to the secondary nodes. The information sessions comprise control instructions controlling the secondary nodes. The secondary nodes are used for receiving the control information data packages and analyzing the control instructions corresponding to the secondary nodes from the information sessions, corresponding to the secondary nodes, of the control information data packages. The synthetic aperture radar control interface network has the advantages of being high in speed, efficiency and reliability, and enhancing the maintainability.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI

Formal verification method for security protocol

The invention provides a formal verification method for a security protocol, which comprises the following steps of: 1) giving the security protocol under a set network environment; 2) layering the security protocol according to functions realized by an execution step of the security protocol; 3) decomposing an expected security goal into subgoals corresponding to sublayers; 4) modeling each sublayer in turn and describing each subgoal; and 5) respectively verifying whether layering models constructed in the step 4) meet the subgoals corresponding to the layering models or not, and if so, finishing the verification of the security protocol. By combining a layering method with a model checking scheme, dividing the security protocol into clearly layered modules and verifying the modules respectively, the complexity of accurate modeling is reduced; and on the premise of not influencing the correctness of a verification result, the scale of a state space in the checking process is greatlyreduced.
Owner:INST OF SOFTWARE - CHINESE ACAD OF SCI

Echo signal processing method and apparatus thereof

The invention relates to an echo signal processing method and an apparatus thereof. The method comprises the following steps: acquiring every sub-band energy of an echo signal according to the every sub-band energy of a first reference signal and an estimated adaptive envelope filtering coefficient, wherein the first reference signal is corresponding to a first echo signal of a first microphone signal; acquiring a gain coefficient according to the every sub-band energy of the first microphone signal and the every sub-band energy of the echo signal; adjusting the first microphone signal according to the gain coefficient so as to obtain a microphone signal after eliminating the first echo signal. The apparatus in embodiments of the invention possesses insensitivity to phase. When an echo path changes, correctness of estimation is not affected. Effect of echo signal elimination can be raised.
Owner:GLOBAL INNOVATION AGGREGATORS LLC

Secondary Development Method of Control Program for Excitation Regulator of Synchronous Generator

The invention discloses a secondary development method of a synchronous generator excitation regulator control program integrated embedded language, comprising the steps as follows: (1) compiling an embedded script program using lua scripting language; (2) modifying the running environment program of the script program according to an operating system and a compiler used so as to link the running environment of the script program to a host program in the form of program library, wherein the host program is an excitation regulator C language control program; (3) writing an interface function for calling the script program from the host program and an interface function for accessing the host program from the script program; and (4) initializing the running environment and the running state of the script program, and completing registration of the interface function for calling the script program from the host program in the host program so as to enable the host program to read, compile and execute the script program by calling the interface function of the script program.
Owner:GUANGZHOU QINGTIAN INDAL

Data processing method and related device

The embodiment of the invention provides a data processing method and a related device, and the method comprises the steps: receiving each data processing request with a request category, and writing each data processing request into a corresponding request category queue; according to a writing sequence of the data processing requests located at the head of each request category queue, determining a previous data processing request and a later data processing request, and according to the previous data processing request, determining a storage space of a current-level module corresponding to previous request data; when the previous request data is not obtained, determining a storage space of a current-level module corresponding to the post-requested data according to the post-data processing request, obtaining the post-requested data, and when previous obtained data in the previous request data and the post-requested data is obtained, processing the request category of the data processing request corresponding to the previously obtained data. According to the embodiment of the invention, the cache data processing efficiency can be improved.
Owner:HYGON INFORMATION TECH CO LTD

Non-volatility internal memory structure

The invention relates to a non-volatile memory structure, which includes a substrate, a stacked gate structure and a source / drain region. Wherein, the stacked gate structure is located on the substrate, the source / drain regions are located in the substrate on both sides of the stacked gate structure, and there is a vertical step channel doping profile in the substrate. This vertical step channel doping profile is divided into a first doping region under the surface of the substrate, and a second doping region located under the first doping region and adjacent to the first doping region, wherein the concentration of the second doping region is higher than the first doped region.
Owner:MACRONIX INT CO LTD

A Cell Matrix Merging Method in Physical Verification of Flat Panel Display Layout

A cell matrix merging method in physical verification of flat panel display layout, comprising the following steps: 1) performing topological sorting of cells, sorting all cells from top to bottom according to a hierarchical reference relationship, and forming a linked list; 2) specifying a current cell, and performing element sorting Recognition of the matrix; 3) The calculation unit refers to the overlapping area, and divides the current unit into multiple blocks according to the overlapping area; 4) In each overlapping area block, merge the overlapping matrices in sequence to form a new unit , form a matrix of new units; 5) Insert a new unit linked list after the current unit, maintaining the topological order of the entire linked list. The unit matrix merging method in the physical verification of the layout of the flat panel display of the present invention reduces the overlapping area between the unit references to the greatest extent, avoids the occurrence of the worst situation of the layout layout, significantly improves the execution efficiency, and significantly optimizes the result level. And the follow-up operations are very positive.
Owner:北京华大九天科技股份有限公司

A direct drive circuit and method for plugging and unplugging detection of audio wires

Direct drive circuitry and a method for the hot plug detection of an audio line end. The circuitry includes an audio line end jack, a pull-up circuit, a pull-down circuit and an operational amplifier. Two ends of the audio line end jack are connected to the pull-up circuit and pull-down circuit respectively, the positive input end of the operational amplifier inputs a reference voltage, the negative input end and output end of the operational amplifier are connected to two ground ends of the audio line end jack respectively, and by detecting the voltage at the negative input end of the operational amplifier, the hot plug state of the audio line end is determined according to the detected voltage . The direct drive circuitry for the hot plug detection of an audio line end is simple and reliable without occupying an additional GPIO port to perform detection, saving Pin resources; moreover, whether or not the operational amplifier is opened will not affect the accuracy of the detection result, which can reduce power consumption and at the same time reduce the number of elements used by the direct drive circuitry for detection, saving the area of the printed circuit board (PCB) and lowering the cost.
Owner:ACTIONS ZHUHAI TECH CO

Method and device for processing weather resource data by server and client

ActiveCN106776756BOvercome the shortcomings of single query dataIncrease contentRelational databasesMulti-dimensional databasesResource consumptionData source
This solution provides a method for processing weather resource data on the server side, including: grading each weather data source according to a preset evaluation standard; The weather data of the area, and use the read weather data as the preferred weather data; from the weather data source corresponding to the next evaluation level of the required area, read the missing or flawed weather data of the required area , and add the read weather data to the preferred weather data; use the preferred weather data to update the weather database for the client to read. The server side of this solution has good flexibility and can provide customized weather data for clients according to different needs; the client side of this solution does not depend on the update of weather data sources, and also overcomes the problem of querying single data from a single data source and querying multiple data sources. The problem of large data source query resource consumption.
Owner:HANGZHOU LIANLUO INTERACTIVE INFORMATION TECH CO LTD
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