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48 results about "Energy statistics" patented technology
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Energy statistics refers to collecting, compiling, analyzing and disseminating data on commodities such as coal, crude oil, natural gas, electricity, or renewable energy sources, when they are used for the energy they contain. Energy is the capability of some substances, resulting from their physico-chemical properties, to do work or produce heat. Some energy commodities, called fuels, release their energy content as heat when they burn. This heat could be used to run an internal or external combustion engine. The need to have statistics on energy commodities became obvious during the 1973 oil crisis that brought tenfold increase in petroleum prices. Before the crisis, to have accurate data on global energy supply and demand was not deemed critical. Another concern of energy statistics today is a huge gap in energy use between developed and developing countries. As the gap narrows, the pressure on energy supply increases tremendously. The data on energy and electricity come from three principal sources: Energy industry Other industries Consumers
Method and apparatus for determining an upper data rate for a variable data rate signal
InactiveUS7006439B2Energy efficient ICTFrequency-division multiplex detailsEnergy statisticsData rate
An integrated circuit arranged and constructed to determine an upper data rate for a variable data rate signal and method thereof includes a buffer, comparator, and combiner that are operable to compare a characteristic, such as an energy statistic of a number of partial symbols constructed from the variable data rate signal to a first threshold that corresponds to the number to provide a first comparison; process the variable data rate signal at a first data rate when the first comparison is favorable; compare the characteristic to a second threshold that corresponds to the number to provide a second comparison; and combine the partial symbols to provide other partial symbols at a second data rate that is less than the first data rate when the second comparison is favorable.
Owner:NORTH STAR INNOVATIONS
Cooperative spectrum sensing method of low complexity
InactiveCN101951274ANot easy to influenceImprove robustnessTransmission monitoringNetwork planningCognitive userRobustification
The invention relates to a cooperative spectrum sensing method of low complexity, belonging to the technical field of wireless communication. Cognitive users participating in cooperative spectrum sensing sectionally decide the energy statistics of the sampling sequence of the signals sent from the authorized users so that the cognitive users send the state information of authorized user signals to a central unit according to the corresponding decision results, and the central unit fuses the state information to acquire the final detection result information of the authorized user signals. The method for calculating the statistics by increasing the sample quantity by all cognitive users participating in cooperative spectrum sensing, is obtained with the minimum computation complexity, has the advantages of same detection performance, good robustness, better feasibility and practicability, and can not be influenced by the environment easily.
Owner:SHANGHAI JIAO TONG UNIV
Remote energy efficiency diagnosis system
ActiveCN102736590AImprove utilization efficiencyReduce lossEnergy industryTotal factory controlEnergy statisticsData acquisition
The invention provides a remote energy efficiency diagnosis method and diagnosis system. The remote energy efficiency diagnosis system comprises an energy monitoring terminal, an energy data acquisition module, an energy statistical analysis module, an energy loss diagnosis module and an energy decision supporting module, wherein the energy monitoring terminal is used for acquiring and monitoring various energy data on enterprise sites; the energy data acquisition module is used for transmitting the energy data to a master station system; the energy statistical analysis module is used for statistics and analysis of various basic energy data; the energy loss diagnosis module is used for analysis and diagnosis of energy loss; and the energy decision supporting module is used for generating aid decision for energy transformation and energy-saving strategy. The invention also provides a method for safe and reliable remote diagnosis of energy.
Owner:SHENZHEN CLOU ELECTRONICS
Energy automatic management and scheduling system
ActiveCN107065802AGood preventive maintenance mechanismImprove support capabilitiesEnergy industryTechnology managementInformatizationEnergy statistics
The invention discloses an energy automatic management and scheduling system. The energy management and scheduling system comprises four hierarchies from top to bottom, namely an application management system layer, an application support platform layer, a data service platform layer and an infrastructure layer. The energy automatic management and scheduling system realizes the real-time acquisition of field data through the unified acquisition and the integrated management of production control system data and various important monitoring instruments. Through the network transmission, the collected data are stored in a real-time database to be processed. Therefore, the actual production condition can be exactly mastered in an office or remotely by people and related leaders in scheduling and production management departments in the modes of flow chart monitoring, alarming, real-time reporting, trend searching and the like. Meanwhile, MES modules, including production monitoring, safety management, production scheduling, quality management, production statistics, equipment management, energy management, energy statistics and analysis and the like, is combined with a short message platform, so that a convenient and quick informatization management platform is provided for the production management and the scheduling command of a full company.
Owner:HENAN ZHONGHONG GRP COAL
Automatic generating system for role Chinese mouth shape cartoon
InactiveCN101826216AImprove production efficiencyImprove practicality3D-image renderingCode moduleEnergy statistics
The invention discloses an automatic generating system for a role Chinese mouth shape cartoon, which comprises a dialogue text filtering and coding module, a dialogue phonetic segmentation module, a dialogue segmentation code integrating module and a role Chinese mouth shape cartoon generating module, wherein the dialogue text filtering and coding module performs phrase segmentation, pinyin mouth shape coding, integral recognition mark setting and coding and filtering on a dialogue text to generate and output a dialogue mouth shape code, an integral dialogue recognition coding mark and a dialogue mouth shape filtering and coding sequence; the dialogue phonetic segmentation module performs phonetic sampling and phonetic energy statistics on dialogue audio to generate and output dialogue phonetic segmentation candidate result sequences; the dialogue segmentation code integrating module is connected with the dialogue text filtering and coding module and the dialogue phonetic segmentation module and used for integrating and correcting the dialogue phonetic segmentation candidate result sequences to generate and output a dialogue segmentation code sequence; and the role Chinese mouth shape cartoon generating module is connected with the dialogue segmentation code integrating module and used for generating and outputting the role Chinese mouth shape cartoon according to the dialogue segmentation code sequence. The system can automatically finish the manufacture of the whole role Chinese mouth shape cartoon without loading a corresponding phonetic library during processing.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Multi-point accurate positioning and tracing method for wireless sensor network
InactiveCN101464510APowerfulHigh positioning accuracyPosition fixationSatellite radio beaconingLine sensorTechnology development
The invention discloses a multi-nodal accurate positioning and tracking method of a wireless sensor network. Positioning fixed nodes in the wireless sensor network are distributed at the peak of a regular quadrangle; each node in the sensor network is used for data acquisition and transmission; the positioning fixed nodes not only are related to a data route, but also are used for receiving positioning signals transmitted by a positioned node or a tracked node; and the positioning fixed nodes are used for calculating the distance between each fixed node and the positioned node through carrying out energy statistic to the signals, transmitting the distance to the gateway node of the wireless sensor network, and transmitting the distance to a PC machine through the gateway node. After collecting the positioning signals of all the positioning fixed nodes, the PC machine is used for calculating the position of the positioned node or a mobile node by using the multi-nodal positioning method and tracing out the movement track of the mobile tracking node through software. The invention reduces the wireless positioning cost and improves the positioning accuracy and the traceability. The invention plays an active driving role in the accurate positioning of the wireless sensor network and the tracking technology development.
Owner:ZHEJIANG UNIV
Double-threshold energy detection method based on history sensing information
ActiveCN106549722AImprove efficiencyReduce complexityTransmission monitoringNetwork planningFrequency spectrumEnergy statistics
The invention discloses a double-threshold energy detection method based on history sensing information. According to the method, probabilities that states of occupying a licensed band by a licensed user are changed or not in adjacent sensing frames are estimated through an energy detection method; a high threshold and a low threshold satisfying constraint of a target false alarm probability are set according to a theoretical value of a false alarm probability and the probabilities; spectrum detection is carried out; and when an energy statistic value of a current sensing frame is greater than the high threshold, it is judged that the licensed user occupies the licensed band in the current sensing frame, otherwise, secondary judgment is carried out on the state of occupying the licensed band by the licensed user through utilization of the energy statistic values of the current sensing frame and a history sensing frame according to the high threshold and the low threshold. The method has the advantages that the constraint of the target false alarm probability is satisfied, a relatively high detection probability is obtained, the spectrum detection performance is improved, moreover, the complexity is low, the detection timeliness is relatively good, and the occupied system bandwidth is low.
Owner:NINGBO UNIV
Voice volume automatic adjustment method based on energy statistics
The invention discloses a voice volume automatic adjustment method based on energy statistics. The voice volume automatic adjustment method based on the energy statistics includes the following steps: (1) counting the energy average value energy of the sample point of each point and the maximum peak value peak of the absolute values of the energy values of all the sample points in the frame; (2) calculating the average value energy_avg of the energy average value energy of the sample point of each frame from 0 to frame_index and the average value peak_avg of the maximum peak value peak; (3) calculating the amplification factor factor_max' and the reduction factor factor_min' in the next time quantum time; (4) judging the voice data of each frame in the next time quantum time, and amplifying or reducing through the reduction factor when amplification and reduction are needed; and (5) outputting the processed voice data frame and ending. The voice volume automatic adjustment method based on the energy statistics can predict the amplification factor and the reduction factor needed in the next time quantum by utilization of the similarity and the continuity of the voice data according to the voice data statistic information of the previous period, and meets the requirement of the practicability while reduces the complexity of the algorithm.
Owner:ZHEJIANG WANPENG EDUCATION TECH CO LTD
Automatic identification and suppression method of single-frequency interference in seismic records
ActiveCN101930081AImprove signal-to-noise ratioDoes not affect the original wavefield characteristicsSeismic signal processingSignal-to-noise ratio (imaging)Energy statistics
The invention relates to an automatic identification and suppression method of single-frequency interference in seismic records of geophysical exploration, which comprises the following steps of: firstly, carrying out frequency domain energy statistics on a record before first arrival of each input gather, marking a single-frequency range with energy obviously higher than adjacent frequency ranges as a single-frequency interference channel, searching the accurate frequency value f of the single-frequency interference through an amplitude spectrum, and splitting the single-frequency interference channel for DC treatment; then, putting the sample point value of the split channel back to the original position to form a channel, and repeatedly processing all channels containing single-frequency interference to obtain an improved overlapped offset profile. The invention effectively increases the signal to noise ratio of seismic data without influencing the original wave field characteristics of normal channels.
Owner:BGP OF CHINA NAT GASOLINEEUM CORP
Method for integrating signal detection and frequency estimation in wireless network
InactiveCN101594167AReduce complexityRequirements for reducing the amount of received signal dataError preventionTransmitter/receiver shaping networksComputation complexityEnergy statistics
The invention relates to a method for signal detection in a short-range wireless network. The method comprises the following steps: firstly, receiving a radio-frequency signal transmitted by a transmitting terminal in the short-range wireless network, and carrying out down-conversion to obtain a baseband sample receiving signal; beginning to read a receiving signal of one code element cycle length from a random sampling point; multiplying every sampling point in the receiving signal by the adjacent sampling point of the last moment after conjugating operation is carried out on every sampling point in the receiving signal to obtain a group of correlation value sequences; summing up all the correlation values in the correlation value sequences to obtain a decision value; calculating an energy statistic value in the receiving signal; calculating the ratio of the decision value to the total energy statistic value and comparing a proportional value with a threshold so as to judge whether the signal is detected or not; and calculating the phase of the decision value after the signal is detected, and utilizing the phase to obtain a frequency estimation value. The method has the advantages of only needing the receiving signal of one code element cycle, reducing the requirement on the data amount of the receiving signal, reducing the calculation amount and the calculation complexity, increasing the real-time property of the realization of the system and enhancing the range of frequency estimation.
Owner:BEIJING TRANSPACIFIC IP TECH DEV
Method for measurement and calculation of correlation between urban form and carbon emission based on Landsat TM (Thematic Mapper) and ETM (Enhanced Thematic Mapper) images
InactiveCN106446314AEasy accessEasy to understandSpecial data processing applicationsEmission inventoryEnergy statistics
The invention provides a technical method for quantitatively evaluating measurement and calculation of a correlation between an urban form and carbon emission based on Landsat TM (Thematic Mapper) and ETM (Enhanced Thematic Mapper) images. The method comprises the main steps of: 1, calculating urban energy consumption carbon emission based on an IPCC (Intergovernmental Panel on Climate Change) greenhouse gas emission inventory compilation method and various types of energy statistic data; 2, based on the Landsat TM and ETM images, quantitatively calculating urban form indexes by use of ENVI (Environment for Visualizing Images) / IDL (Interactive Data Language) 5.1 software and ArcGIS (Geographic Information System) 10.1 (ERSI) software; and 3, quantitatively calculating the correlation between the urban form-related indexes and carbon emission by use of an econometric model. The technical method is systematic, comprehensive and operable, and can provide an overall, objective and scientific optimized decision and regulation-control basis for urban spatial structure optimization.
Owner:INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
Automatic ocean acoustic propagation survey explosive wave intercepting method based on model
ActiveCN104568113AImprove processing efficiencyHigh thresholdVibration measurement in fluidFrequency spectrumEnergy statistics
The invention discloses an automatic ocean acoustic propagation survey explosive wave intercepting method based on a model. The method includes the steps of throwing an explosive sound source for a transmission ship according to the measuring line underway, receiving the acoustic propagation measurement experiment configuration of signals at a fixed point through a perpendicular receiving array, conducting high-pass filtering on received data before processing according to the frequency spectrum characteristics of noise and explosive waves, forecasting acoustic propagation loss values of different transmitting-receiving array distances through the model, estimating the energy values of explosive wave signals received in positions of different transmitting-receiving array distances in experiments through the combination with explosive wave sample energy statistic values actually received in near-distance positions, designing detection thresholds changing according to the transmitting-receiving array distance changes, making the thresholds of the positions close to a transmitting-receiving array high and the thresholds of the positions away from the transmitting-receiving array low, and lowering the false alarm probability as much as possible under the condition that the detection probability is ensured. By means of the method, explosive waves can be effectively and automatically intercepted, and the method has important significance in automatically processing acoustic propagation measurement experiment data and lowering the manual intervention.
Owner:ZHEJIANG UNIV
Earth surface consistency amplitude compensation method based on overlaid reflection wave energy statistics
ActiveCN103645499AEasy to explainEasy to follow upSeismic signal processingVibration amplitudeEnergy statistics
The invention provides an earth surface consistency amplitude compensation method based on overlaid reflection wave energy statistics. An earth surface consistency amplitude compensation factor is acquired through iteration by using reflection wave energy statistics after multiple domains such as common shot, common receiver, common offset and the like are overlaid, influences imposed on the amplitude by earth surface inconstant factors under conditions of a low signal to noise ratio and a complex earth surface can be effectively eliminated by applying the earth surface consistency amplitude compensation factor to prestack seismic record. The method provided by the invention is easy to implement, reliable and strong in adaptability.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
Ultra-broadband pulsing signal two-step capturing method based on energy detection
A ultra-wideband pulse signal two-step acquisition method based on the energy detection is divided into two main steps: first searching the energy window of the signal component, through the Neyman-Pearson rule, computing the detection probability of the DP energy window through the energy statistic characteristics of the UWB channel under the condition with certain false alarm probability; determining the precise position inside the energy window of DP. The invention overcomes the defect of low signal detection precision and larger operand of DP signal in the prior art, which not only advances the precision to acquire the signal but also reduces the cost of the hardware, increases the detecting efficiency.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
Submarine sound signal noise reduction method
InactiveCN107123431AEasy to identifyTake full advantage of the energy statistics featureSpeech analysisTransmissionEnergy statisticsDecomposition
The invention provides a submarine sound signal noise reduction method. The method comprises steps that firstly, a submarine sound signal is inputted to decompose into multiple modal components; secondly, the multiple modal components acquired through decomposition are transformed to a frequency domain for processing; thirdly, a threshold function is set according to noise distribution characteristics of the submarine sound signal to filter noise; fourthly, the multiple modal components after processing are transformed to a time domain; and lastly, reconstruction of the submarine sound signal after noise reduction is carried out. The method is advantaged in that compared with a method in the prior art, noise is effectively eliminated, through decomposing the submarine sound signal into a series of modal components, identification of noise in the modal components is facilitated, and subsequent processing is convenient; compared with a common spectral subtraction method, the method has an advantage in processing non-stable signals, the physical meaning of the signal itself can be better presented, moreover, through designing the threshold function, the modal components are transformed to the frequency domain to carry out filtering processing, and energy statistic characteristics of the noise and the signal are fully utilized; compared with a common wavelet noise reduction method, the method has higher noise reduction performance.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Doubly-fed induction generator slip ring breakdown diagnosis method based on vibration
InactiveCN106918452AThe recognition effect is accurateAccurate diagnosisMachine part testingEnergy statisticsData acquisition
The invention discloses a doubly-fed induction generator slip ring breakdown diagnosis method based on vibration. The method includes the following steps: adopting a Nico data acquisition instrument, a DC voltage source, and a PC signal processing machine to establish a vibration signal acquisition system structure; sampling a slip ring surface slip ring vibration signal; according to the wavelet packet decomposition, conducting 4-tier wavelet packet decomposition on the acquired vibration signal to obtain 16 sub-frequency bands; using the method based on wavelet power spectrum, conducting energy statistics analysis on the energy of the vibration signal at different frequency bands after the vibration signal is subject to wavelet packet decomposition; on the basis of the energy-intensive frequency band, determining that an armature slip ring is at which of the following four working conditions, normal operation, slip ring surface entirety scratch-type injury breakdown, slip ring surface local superficial injury breakdown and slip ring surface loop circular degree injury breakdown. The method can realize real-time online monitoring of the operation state of the slip ring, has a vibration signal which is very sensitive to breakdowns, has wide engineering practicality and is easy to promote.
Owner:HOHAI UNIV
Collection method detector arrangement length quantitative analysis method based on energy statistics
InactiveCN107831533AOvercome the problem of the inability to quantitatively analyze the reasonable number of geophones in the acquisition schemeOvercoming the problem of reasonable placementSeismic signal receiversEnergy statisticsIntersection of a polyhedron with a line
The present invention provides a collection method detector arrangement length quantitative analysis method based on energy statistics. The method comprises the steps of: selecting an exploration target stratum, and arranging seismic source points and receiver points; performing downward propagation and prolongation of wave field energy from positions of the seismic source points, performing reflection of the wave field energy through the target stratum, forming a second seismic source, taking energy of the target stratum at this moment as an energy value of the second seismic source to perform back propagation and prolongation to the earth's surface, recording energy values received by the receiver points, and marking the energy values as energy values of shot-to-receiver pairs; obtainingone energy value of each shot-to-receiver pair, drawing a shot-to-receiver pair energy value map, taking a diagonal line of the map as a zero-offset line, and obtaining a reference line being parallel to the zero-offset line according to the distribution range of the shot-to-receiver pair energy values, wherein values of points of intersection of the reference line and the receiver point lines are reasonable detector arrangement length for the current target stratum. The method provided by the invention can achieve quantitative evaluation of the detector arrangement length so as to optimize acollection observation system, save the construction cost and improve the collection data quality.
Owner:BC P INC CHINA NAT PETROLEUM CORP +2
High-energy-efficiency spectrum sensing method based on support vector machine (SVM)
ActiveCN109525994AEnhance expressive abilityImprove detection rateTransmission monitoringHigh level techniquesFeature vectorSupport vector machine
The invention provides a high-energy-efficiency spectrum sensing method based on a support vector machine (SVM). Firstly, energy statistics amounts of a main user signal and a noise are calculated, energy vectors are obtained, and then residual vectors of the main user signal and the noise are obtained; secondly, an SVM classification model is trained offline by utilizing an eigenvector, and Gaussian kernel parameters are optimized on the basis of simulated annealing; and finally, characteristic expressions of received signals are calculated, classification is carried out by using the SVM classification model, and whether the signals include a main user or not is judged so as to judge a frequency spectrum state.
Owner:CHINA ACADEMY OF SPACE TECHNOLOGY
Vibrating rod working state determination method based on noise signal analysis
InactiveCN105277274AReal-time judgmentReduce dependenceSubsonic/sonic/ultrasonic wave measurementFast Fourier transformEnergy statistics
The invention discloses a vibrating rod working state determination method based on noise signal analysis. The method comprises steps of 1, performing noise signal collection, wherein noise signals are timely collected via a pickup when a vibrating rod works; 2, performing time frequency transformation, wherein the collected noise signals are transformed into other frequency spectrums via FFT (Fast Fourier Transform); 3, selecting three feature frequency points in the obtained frequency spectrums via transformation, and performing energy statistics of the three feature points; and 4, obtaining the working state of the vibrating rod through a percentage threshold values and an energy statistics result. The invention can timely and effectively determine the working state of the vibrating rod, and provides an effective visualized guidance index for concrete construction.
Owner:SINOHYDRO BUREAU 7 CO LTD +1
Method for data exception judgment and repairing on the basis of energy statistics
ActiveCN108319573AImprove data qualityReduce manual repairData processing applicationsComplex mathematical operationsEnergy statisticsOriginal data
The invention specifically relates to a method for data exception judgment and repairing on the basis of energy statistics. The method comprises a judgment process and a repairing process. The judgment process comprises the following steps that: according to whether the original data aN of a current particle size is obtained or not, judging whether the particle size N is collected data which needsto be repaired or not; according to whether the adjacent particle size statistical value N of the particle size N is smaller than 0 or not, judging whether the particle size N is collection data which suddenly becomes small and needs to be repaired; according to whether the adjacent particle size statistical value N of the particle size N is that value N is greater than or equal to k*A or not, judging whether the collection data suddenly becomes big and needs to be repaired or not. The repairing process comprises the following steps that: directly adding a historical average value, and if data which is collected subsequently is recovered to an original base number, repairing is carried out according to a ratio of adjacent particle size statistical values. By use of the method, original collection data exception caused by equipment problems in an energy related management system can be intelligently judged, and in addition, the statistics data of an exceptional scene is repaired.
Owner:南京亚派软件技术有限公司
Variable Q value calculation method based on unsteady state deconvolution
InactiveCN104076396ATake advantage ofSufficient informationSeismic signal processingEnergy statisticsStatistical analysis
The invention discloses a variable Q value calculation method based on unsteady state deconvolution. According to the method, energy relation in hyperbolic stripes is fully utilized, counted and analyzed in a logarithm domain, a basic technique idea of Q calculation is established by utilizing linear fitting slope information, adverse effects of seismic wavelet are suppressed constantly with the help of an iteration mechanism, and the longitudinal and transverse stability and practicability of estimation of Q value are improved. According to the method, the Q value is calculated by utilizing an energy statistic relation for the first time, compared with a traditional method, data of a whole time-frequency domain can be utilized fully, information amount is sufficient, estimation results are more reliable, and matching situation with geological background is better. The idea of utilizing iteration linear fitting for suppressing the influences of the seismic wavelet constantly is emphasized, and approximation to precision of the underground Q value is further achieved.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
Wi-Fi conversion socket with over-current protection and energy statistics and intelligent household appliance control system
InactiveCN104678858AWith power supply functionWith communication functionComputer controlSimulator controlEnergy statisticsWi-Fi
The invention relates to a Wi-Fi conversion socket with over-current protection and energy statistics. The Wi-Fi conversion socket comprises a power supply plug, a power supply socket, a power supply module, a microcontroller, a Wi-Fi module, a voltage detection module, a current detection module, an electric quantity chip and an on-off control circuit, wherein the microcontroller, the Wi-Fi module and the electric quantity chip are respectively connected with the power supply module, the current detection module and the voltage detection module are connected with the electric quantity chip, and the electric quantity chip, the Wi-Fi module and the on-off control circuit are respectively connected with the microcontroller. The invention further relates to an intelligent household appliance control system. The intelligent household appliance control system comprises the Wi-Fi conversion socket, an intelligent household appliance, a wireless router, a remote server and a mobile control terminal. The Wi-Fi conversion socket not only has a function of supplying the household appliance with power, but also has an over-current protection function and energy calculation and statistics functions. Through applying the intelligent household appliance control system, the intelligent household appliance can be remotely controlled, and all-around protection and energy statistics analysis are carried out on the intelligent household appliance.
Owner:SHANGHAI LUMEX SYST +1
Method for real-time sense of carrier signal in wireless network
InactiveCN101594280AReduce complexityImprove robustnessFrequency-modulated carrier systemsData switching networksEnergy statisticsCarrier signal
The invention relates to a method for the real-time sense of a carrier signal in a short-range wireless network. The method comprises the following steps: firstly, receiving a radio-frequency signal transmitted by a transmitting terminal in the short-range wireless network, and carrying out down-conversion to obtain a baseband sample receiving signal; beginning to read a receiving signal of one code element cycle length from a random sampling point in the receiving signal; multiplying every sampling point in the receiving signal by the adjacent sampling point of the last moment after conjugating operation is carried out on every sampling point in the receiving signal to obtain a group of correlation value sequences; carrying out statistical operation on the correlation value sequences, and taking the obtained statistic value as a decision value; summing up the squared values of the magnitudes of all the sampling points in the receiving signal after calculating to obtain an energy statistic value of the receiving signal; and calculating the ratio of the decision value to the total energy statistic value and comparing a proportional value with a threshold so as to judge the channel state. The method has the advantages of not needing synchronization of time and the carrier, reducing the calculation amount and the complexity, increasing the real-time property of the realization of the system and enhancing the robustness of the algorithm to the system environment.
Owner:NANJING XUNJING SCI & TECH CO LTD
Energy statistical method capable of configuring tree structure
PendingCN113177725AReduce secondary investmentImprove applicabilityOffice automationResourcesEnergy statisticsTree pattern
The invention discloses an energy statistical method capable of configuring a tree structure. The method comprises the following steps: a, constructing an energy consumption unit statistical tree based on a hierarchical relationship of energy statistical units; b, constructing an energy pedigree tree factory model based on the distribution condition of the energy statistical instruments; c, configuring a matching relationship between the energy consumption unit statistical tree and the energy pedigree tree factory model; and d, collecting measurement data of all energy statistical instruments in the energy pedigree tree factory model, and counting energy consumption data of each level or nodes of the level in the energy consumption unit statistical tree according to the matching relationship in the step c. According to the invention, a configurable solution is provided for a user according to a changing factory environment, and the cost of secondary investment is reduced.
Owner:浙江捷创智能技术有限公司 +1
Energy management system and application thereof
PendingCN114723208AGuaranteed accuracyWith operational controlEnergy industryResourcesEnergy statisticsStatistical Report
The invention relates to an energy management system and application thereof. The energy management system comprises a login module, a data query module, a monitoring module, a data management module, an energy consumption data analysis module, a statistical report management module, a statistical recording module, an authority management module and a configuration management module. The energy management system provided by the invention can perform various means such as energy planning, energy monitoring, energy statistics, energy consumption analysis, key energy consumption equipment management, energy metering equipment management and the like, so that enterprise managers can accurately master the energy cost proportion and the development trend of enterprises; and the energy consumption plan task of the enterprise is decomposed to each production department workshop, so that the energy-saving work responsibility is clear, and the healthy and stable development of the enterprise is promoted.
Owner:上海湘涟网络科技有限公司
An automatic generation system for character Chinese lip animation
InactiveCN101826216BImprove production efficiencyImprove practicalityAnimationChinese charactersSpeech segmentation
The invention discloses a system for automatically generating animations of characters' Chinese mouth shapes. The dialogue text filtering and coding module performs phrase segmentation, pinyin mouth shape coding, overall recognition and reading mark setting and coding filtering on the dialogue text, generates and outputs dialogue mouth shape codes, and dialogue overall Recognition and reading code identification and dialogue mouth shape filter coding sequence; dialogue speech segmentation module conducts speech sampling and speech energy statistics on dialogue audio, generates and outputs dialogue speech segmentation candidate result sequence; dialogue segmentation coding integration module connects dialogue text filter coding The module and the dialogue voice segmentation module integrate and correct the dialogue voice segmentation candidate result sequence, generate and output the dialogue segmentation code sequence; the character Chinese mouth animation generation module is connected with the dialogue segmentation coding integration module, The sequence generates and outputs the character's Chinese lip animation. In the processing process of the invention, the production of the Chinese mouth animation of the whole character can be automatically completed without loading the corresponding voice library.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Energy and carbon data report processing method and device and storage medium
PendingCN114254958ASuitable for handlingImprove use valueEnergy industryRelational databasesAnalytic modelEnergy statistics
The invention provides an energy and carbon data report processing method and device and a storage medium, and the method comprises the steps: setting an energy data type, a data item, an attribute, a collection period and an energy user meeting an energy statistical condition according to an energy statistical analysis condition and energy feature data of different industries, setting data access authority and data encryption public key information for each energy user; the method comprises the following steps: periodically obtaining an energy consumption report from each energy user, obtaining a data report of energy and carbon according to a carbon emission conversion result of the energy consumption report of each energy user, and distributing the data report of energy and carbon to a plurality of server nodes by using an asymmetric encryption mode; and the data report of the energy and the carbon is input into a preset analysis model, energy consumption in a future time period is predicted based on the preset analysis model, optimal distribution is obtained, and the optimal distribution indicates an optimal solution of the carbon emission when the output benefit is maximum.
Owner:上海创能国瑞新能源科技股份有限公司
Ultra-broadband pulsing signal two-step capturing method based on energy detection
A ultra-wideband pulse signal two-step acquisition method based on the energy detection is divided into two main steps: first searching the energy window of the signal component, through the Neyman-Pearson rule, computing the detection probability of the DP energy window through the energy statistic characteristics of the UWB channel under the condition with certain false alarm probability; determining the precise position inside the energy window of DP. The invention overcomes the defect of low signal detection precision and larger operand of DP signal in the prior art, which not only advances the precision to acquire the signal but also reduces the cost of the hardware, increases the detecting efficiency.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
A method for automatic adjustment of speech volume based on energy statistics
ActiveCN104699447BIncrease volumeGuaranteed volumeSound input/outputPractical algorithmEnergy statistics
Owner:ZHEJIANG WANPENG EDUCATION TECH CO LTD
A Model-Based Method for Automatic Explosion Wave Interception in Ocean Acoustic Propagation Survey
ActiveCN104568113BImprove processing efficiencyHigh thresholdVibration measurement in fluidEnergy statisticsFrequency spectrum
Owner:ZHEJIANG UNIV
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