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40 results about "Space activity" patented technology
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Activity spaces are usually task-specific and only common to a group of people who work together in a certain application domain. It is desirable to enable users to define and modify activity spaces according to their needs.
Method and apparatus for processing a bitstream in a digital video transcoder
InactiveUS20050152449A1Color television with pulse code modulationColor television with bandwidth reductionPattern recognitionDigital video
A method and apparatus for processing a bitstream in a digital video transcoder is described. In one example, an adjustment factor is determined that relates a number of bits representing a selected frame defined by the bitstream to a target number of bits for the selected frame. An average spatial activity value among sets of video data is associated with the selected frame. A spatial activity value for a selected set of the sets of video data is determined. A normalized spatial, activity value for the selected set of frequency video data is then computed in response to the average spatial activity value, the spatial activity value, and a function of the adjustment factor. Target bit reduction for each of the sets of video data may be computed using a function of the normalized spatial activity value and the adjustment factor.
Owner:GOOGLE TECH HLDG LLC
Articulated front-handling mobile crane and operation control system thereof
InactiveCN101723256AAccurate placementImprove placement accuracyLoad-engaging elementsCranesControl systemSpace activity
The invention discloses an articulated front-handling mobile crane. The crane comprises at least one braking device, wherein at least one of a front-left wheel or a front-right wheel of the articulated front-handling mobile crane can be independently braked by the braking device. The invention also provides an operation control system for the articulated front-handling mobile crane, which comprises at least one braking device, an independent brake switch, a safety device, a vehicle speed monitoring device and a control device. The articulated front-handling mobile crane can take a front wheel on any side thereof as the center for steering, so the articulated front-handling mobile crane can remarkably reduce steering radius and improve placing accuracy and small-space activity ability of heavy objects. At the same time, the articulated front-handling mobile crane can also ensure that the braking device cannot be started during high-speed operation further to improve safety performance and ensure the safety of personnel, equipment and loads.
Owner:XUZHOU HEAVY MASCH CO LTD
Method for determining regional ionospheric layer delay
InactiveCN103455702AHigh precisionHigh degree of fitSpecial data processing applicationsNerve networkService provision
The invention discloses a method for determining regional ionospheric layer delay. The method includes: collecting data; firstly establishing a regional ionospheric second-order term model according to the collected regional ionospheric VTEC (vertical total electron content) data; establishing a VTEC second-order term model and a fusion model of a neural network; adopting the fusion model to calculate VTEC values of puncture points of other positions in this area. By the method, computed results of the regional ionospheric layer delay are high in precision, and CORS (continuous operational reference system) measured results are wide in application range. A large number of engineering example application result analysis shows that precision of the computed results by the method is improved by 40% as compared to that by the VTEC second-order term model. Ionospheric layer space activity rules are high in fitting degree and high in timeliness, and convenience in use is brought. The ionospheric layer space activity rules can be obtained through analyzing according to fitting results of the neutral network, the ionospheric layer delay in any point in the area can be rapidly corrected, transmission precision and stability of radio waves can be improved, and technical support for better service for CORS can be provided.
Owner:SOUTHEAST UNIV
Information processing method and server
ActiveCN104408043AHigh precisionIncrease success rateData processing applicationsSpecial data processing applicationsInformation processingUser-generated content
The invention discloses an information processing method and a server, wherein the method comprises the following steps that: the user time and space activity information of each user in a group is obtained according to UGCs (Users Generate Contents); first information is determined according to the user time and space activity information, and a first screening parameter is determined according to the first information; the first information is used for representing the user change in the space dimension; second information is determined according to the user time and space activity information, and a second screening parameter is determined according to the second information; the second information is used for representing the user change in the time dimension; and the first screening parameter and / or the second screening parameter are / is selected from a screening parameter set according to preset strategies, and a target user best matched with a first user is screened from a candidate user group corresponding to the first user in the group according to the first screening parameter and / or the second screening parameter.
Owner:SHENZHEN UNIV +1
Passenger Lift System with Access Control
InactiveUS20110278096A1Promote activationSpace utilizationElevatorsBuilding liftsElevator systemControl system
A passenger lift system has a passenger supporting unit, a drive for the passenger supporting unit, an access control associated with the drive and in particular connected upstream, in or downstream to it and further including a radio field generator generating a spatially activity-limited stray field around the passenger supporting unit, a radio controller capable of being introduced into the stray field, and an activator switching the access control in response to effective introduction of the controller into the stray field, in particular switching it ready for driving. Further, the lift system includes an access authorization control system regulating the authorization for use of at least one such passenger lift system wherein one or more radio controllers is associated with one or more passenger lift systems for switching the access control.
Owner:HAWLE TREPPENELEVATORE
Individual activity steady state training method under large data environment
InactiveCN105976091ALow costHigh frequencyResourcesSpecial data processing applicationsData setSteady state
The invention aims at using a space activity range data set of a mobile terminal individual time sequence to excavate steady state and unsteady state behaviors of the individual and carrying out space-time range statistics on the behaviors so as to really and objectively reflect population residence distribution and flow conditions in a city. In order to reach the above purpose, a technical scheme of the invention provides an individual activity steady state training method under a large data environment. The method has the advantages that large data resources of an existing mobile terminal are fully used; through using a lot of existing anonymous encryption mobile terminal individual positioning data of an operator, distribution of steady state behaviors of the city population can be automatically acquired in low-cost and high-frequency mode and high timeliness is possessed.
Owner:上海世脉信息科技有限公司
Ionized layer chromatography technology and ionized layer delay correction method based on multi-scale subdivision
InactiveCN104007479AImprove delay calculation accuracyImprove computing efficiencySpecial data processing applicationsDetection using electromagnetic wavesThree-dimensional spaceIonosphere
The invention discloses an ionized layer chromatography technology and an ionized layer delay correction method based on multi-scale subdivision. A three-dimensional space of an area ionized layer is subdivided according to different 'pixel' scales to obtain a plurality of different single-scale ionized layer chromatography models, unknown variables of the models are uniformly solved and weighted according to different weight factors to obtain solutions of a multi-scale chromatography model, and electron density distribution of the area ionized layer is reconstructed to obtain delay of the area ionized layer. The space activity rule of the reconstructed ionized layer is high in fitting degree, high in timeliness and convenient to use. According to the obtained area ionized layer, the delay quantity solution result is high in accuracy, so that the application range of CORS measurement results is enlarged. It is proved through a lot of project case application result analysis that the electron density distribution of the area ionized layer reconstructed through the method is more smooth and reasonable compared with a traditional single-scale ionized layer chromatography model, and ionized layer delay correction accuracy is improved by 30% on average.
Owner:SOUTHEAST UNIV
Evaluation method for space activity concentration of airborne radioactive substance source of nuclear power plant
InactiveCN104182600AAccurate assessmentSpecial data processing applicationsActivity concentrationNuclear power
The invention discloses an evaluation method for space activity concentration of an airborne radioactive substance source of a nuclear power plant. The evaluation method comprises the following steps: aiming at each decay chain of radionuclides, generating decay-migration grids and storing derived decay-migration chains; aiming at each space and each radionuclide in the decay-migration grids, obtaining path numbers from the decay-migration at a starting point to each space-radionuclide grid point and path numbers from the decay-migration of each space-radionuclide grid point to an ending point; aiming at each decay-migration chain, obtaining the activity concentrations of relevant radionuclides in each space according to the corresponding decay constant and removal ratio; accumulating the activity concentrations of the relevant radionuclides of all decay-migration chains in all spaces and comparing the accumulated value with a preset space activity concentration threshold of the relevant radionuclides. According to the technical scheme, accurate evaluation of the airborne radioactive substance source is realized by using a linear subchain technology.
Owner:NUCLEAR & RADIATION SAFETY CENT
Method for judging, identifying and correcting wrong position of fixed sensor in big data environment
ActiveCN107330085AGet goodLow costGeographical information databasesLocation information based serviceTime rangeData set
The invention provides a method for judging, identifying and correcting a wrong position of a fixed sensor in a big data environment. Massive individual outgoing space-time sequence data is mined by utilizing a space activity dataset of an individual mobile terminal in a designated time range, wrong recording points of the position information in an outgoing space-time sequence of a user are identified, sensor recording errors and sensor position information errors are corrected, and the caused problem of outgoing trajectory skipping of the user is solved. Outgoing trajectories of a large number of populations in the designated time range can be automatically, quickly and conveniently obtained by utilizing continuous encryption position information of massive existing anonymous mobile terminals in a communication network in a low-cost mode, and position errors of target signaling records are corrected by utilizing outgoing trajectories similar to position information error records in the trajectories, so that individual outgoing trajectories are continuous, complete and accurate, and a bottom-layer data foundation is tamped for application and analysis of smart outgoing and smart traffic.
Owner:上海世脉信息科技有限公司
Space-activity-track generating method and device
InactiveCN106123893AHigh precisionImprove experienceNavigation by speed/acceleration measurementsSensing dataTerminal server
The invention discloses a space-activity-track generating method and device. The space-activity-track generating method includes the steps that it is determined that a local machine is in the off-line state in which geographical location information can not be obtained; movement sensing data which is generated by an aspect sensor and used for representing spatial position variation of the local machine is obtained; according to the movement sensing data of one or more aspect sensors, one or more primary tracks are generated; after the local machine is recovered to be in the outer net accessing state, the multiple primary tracks are uploaded to a cloud-terminal server so that the multiple primary tracks can be fitted to spatial movement tracks when the local machine is in the off-line state. In addition, the invention further provides an intelligent device for carrying out the generating method. According to the method, the intelligent device is in the off-line state, the spatial movement tracks are generated according to the movement sensing data of the self-assembled aspect sensor of the intelligent device, the tracks generated with the method are accurate, reliable and suitable for various environments.
Owner:BEIJING QIHOO TECH CO LTD +1
Physical activity authentication systems and methods
A method of authenticating physical activity in a monitored space, comprising: obtaining monitored space activity data from at least one activity detector deployed in the monitored space to capture simultaneously physical activity of a plurality of moving objects in said monitored space; analyzing said monitored space activity data to identify a plurality of spatiotemporal movement patterns in said monitored space; obtaining a plurality of inertial data patterns from each one of a plurality of applications executed in a plurality of mobile devices, each one of said inertial data patterns is recorded using an inertial sensing device installed in one of said plurality of mobile devices, each one of said plurality of mobile devices is associated with one of a plurality of persons; identifying at least one correlation between at least one of said plurality of inertial data patterns and at least one of said plurality of spatiotemporal movement patterns; authenticating said physical activity according to said at least one correlation.
Owner:NEC CORPOATION OF AMERICA
Lens module
A lens module includes a first lens barrel, a second lens barrel and a third lens barrel sequentially arranged along the optical axis direction. The second lens barrel is provided with lenses and has internal threads at both ends, and the first lens barrel and the third lens barrel have external threads that can cooperate with the internal threads. One end of the first lens barrel and the third lens barrel close to the second lens barrel is axially extended with an engaging portion, and the engaging portion has a protrusion extending radially along the lens barrel, and the second There are grooves at the internal threads at both ends of the lens barrel, so that the engagement parts of the first lens barrel and the third lens barrel can be inserted into the second lens barrel and rotate in the second lens barrel. The total length and position of the lens module remain unchanged during the focusing process, and there is no need to provide a space for the lens module to move back and forth in the lens seat, thereby reducing the size of the camera.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
System for training and assessment of vestibular function and space orientation
InactiveCN102697618ATo achieve the purpose of trainingFunction increaseChiropractic devicesDiagnostic recording/measuringCognitionAngular velocity
The invention belongs to the technical field of training equipment and generally relates to a system for training and assessment of vestibular function and space orientation in personal rotation and movement. The system consists of a round ring, a support, a seat, a seat protecting device, a pedal A, a support top disc, a transmission rod, a supporting shaft casing, a supporting shaft, a photoelectric transmission control keyboard, a light emitter A, a photovoltaic converter A, a light emitter B, a photovoltaic converter B, a data processor and a display screen and can perform three axial movements including rolling, rotation and pitching, produce constantly-changing linear velocity and angular velocity, cognizing that an object performs axial rotation while enabling a user to conduct the three axial movements, axially separate a space reference system for direction cognition of the user, integrate main physiological organs (vestibule and eyes) with achieved space orientation and psychological activity process (space cognition) of people to be trained, thereby being capable of improving and analyzing the vestibular function and space orientation capability of the people engaged in complicated space activities and facilitating shortening of training course.
Owner:董燕燕 +2
Method for analyzing human flow in highway service area based on cellular network and Wi-Fi data
ActiveCN109561391AAnalytical sample is largeTimely and accurate basic dataParticular environment based servicesLocation information based serviceWi-FiTraffic flow analysis
The invention provides a method for analyzing the human flow in a highway service area based on cellular network and Wi-Fi data, which comprises the steps of colleting cellular network original data and Wi-Fi original data, and extracting physical position motion tracks and network space activity tracks of users through filtering and analyzing the original data; carrying out pause rate and stay time analysis on the users in the service area and geographical coverage analysis on the users served in the service area on the basis of the physical position motion tracks and network space activity tracks of the users obtained according to the processed cellular network data; and carrying out position judgment, stay behavior analysis and user attribute judgment on the users in the service area onthe basis of the physical position motion tracks and network space activity tracks of the users obtained according to the processed Wi-Fi data.
Owner:SHANDONG TRAFFIC PLANNING DESIGN INST +1
Flying saucer spacecraft
InactiveCN103253372AReduce gravityReduced effectivenessJet type power plantsAircraftsAviationRocket launch
The invention provides a flying saucer spacecraft, and relates to the spaceflight, aviation and rocket launching fields. A satellite, a missile and a spaceship are launched through combining rocket and space shuttle technologies and utilizing a flying saucer principle and an aerodynamic principle. The flying saucer spacecraft is composed of a central low-portion fuel tank, a central control system, an upper-portion launch silo (a satellite silo, a missile silo, a space ship silo), a rocket engine air inlet and an air pipeline air inlet which are arranged at the upper layer of the flying saucer spacecraft, a rocket engine air outlet and an air pipeline air outlet which are arranged at the lower layer, a rocket engine and an air pipeline which are arranged at the middle layer, and a first tire, a second tire and a third tire which are arranged at the bottom layer of the flying saucer spacecraft. The flying saucer spacecraft has the advantages of high speed, far range, repeated use, substantial reduction of the space activity cost, and the like, and is suitable for launching satellites, missiles and spaceships.
Owner:罗才德
Method and device for generating space activity track
InactiveCN106092097AHigh precisionImprove experienceNavigation by speed/acceleration measurementsComputer graphics (images)Geolocation
The invention discloses a method and device for generating a space activity track. The method comprises the following steps: confirming an offline state of the machine when the geographical location information cannot be acquired; acquiring motion sensing data which is generated by a position sensor and is used for representing the change of the space position of the machine; and respectively generating one or more preliminary tracks according to the motion sensing data of one or more position sensors, and fitting the preliminary tracks into the space activity track when the machine is under the offline state. Besides, the invention further provides intelligent equipment for executing the method. The invention provides the method for generating the space activity track by the intelligent equipment under the offline state according to the motion sensing data of the position sensor arranged on the intelligent equipment. The generated track is accurate and reliable and is suitable for various environments. The space activity track generated according to the method can be used for offline navigation, offline addressing, spatial arrangement construction, and the like, so as to promote the user experience.
Owner:BEIJING QIHOO TECH CO LTD +1
Personal finance credit evaluation method based on big data
InactiveCN104599174ALow costImprove reliabilityFinanceSpecial data processing applicationsSpace activityMobile communication channels
The invention relates to a personal finance credit evaluation method based on big data. The personal finance credit evaluation method based on the big data comprises the following steps of (a) verifying a personal mobile communication tool of an evaluation object; (b) acquiring mobile communication data of the evaluation object and social contact and economic activity data in a mobile communication channel in a specific time bucket and removing privacy data; (c) calculating space activity features and economic activity features of the evaluation object in the specific time bucket in batches by using Hadoop big data and performing structuralization and visualization treatment on the data; and (d) combining structuralized data and a credit evaluation system and calculating personal credit integrals of the object. The personal finance credit evaluation method based on the big data has the advantages that the reliability of personal finance credit evaluation is improved; and the cost of finance credit evaluation is reduced, and micro-credit finance services can be provided for individuals.
Owner:上海百筹金融信息服务有限公司
Space activity trajectory generation method and device
InactiveCN106017464AImprove experienceHigh precisionNavigation by terrestrial meansNavigation by speed/acceleration measurementsMotion sensingSpace activity
The invention discloses a space activity trajectory generation method and device. The generation method comprises the steps that the situation that a machine is in an off-line state of failing to obtain geographical location information is determined; motion sensing data which is generated by direction sensors and represents the space position changes is obtained; when the machine is returned to a state of having access to the outside network, the motion sensing data is uploaded to a cloud server so as to fit space activity trajectories of the machine in the off-line state according to the motion sensing data. The invention further provides an intelligent device used for executing the generation method. The invention provides the method for generating the space activity trajectories according to the motion sensing data of the multiple direction sensors in the off-line state. The generated space activity trajectories are accurate, reliable and suitable for various environments. The space activity trajectories generated according to the method can be used for offline navigation, offline addressing, spatial layout construction and the like, and therefore the user experience is improved.
Owner:BEIJING QIHOO TECH CO LTD +1
Method for space-time linkage mechanism evaluation of real space activity and network space behavirors
ActiveCN107273488AIncrease time-space linkage analysisResourcesLocation information based serviceSocial mediaSimulation
The invention discloses a method for space-time linkage mechanism evaluation of real space activity and network space behaviors. The number of mobile phone users in an activity area during the activity period is calculated by utilizing mobile phone space-time track data; a real space activity radiometric force model is constructed by utilizing the mobile phone space-time track data and through identifying 'home' positions of the mobile phone users; according to social contact media data increase rules, an activity radiometric force model of network space is constructed by utilizing a logistic model; a comprehensive space-time radiometric force model of real space and the network space is constructed, to serve as a space-time linkage strength calculation basis; and space-time linkage strength between the real space and the network space is calculated by comparing space-time radiometric force and propagation velocity of activity in the real space, the network space and the real space - network space. According to the method, space-time linkage analysis between the real space activity and the network space behaviors in the message propagation process is added, and the whole process of propagation affecting by the activity can be presented more really.
Owner:WUHAN UNIV
Method for breeding gall-inducing harmful insects
The invention discloses a method for breeding gall-inducing harmful insects. The method comprises the steps as follows: placing fresh branches, roots, stems or fruits with insect galls acquired in the field into a sealed plastic bag; before placing, disinfecting the plastic bag by potassium permanganate, and placing the insect galls of the leaves into a papery closed container; placing the sealed plastic bag or the papery closed container into an artificial climate box, controlling the breeding environment temperature to be 25-1 DEG C, the humidity to be 60-70% and the illumination time to be 12 h, and opening the box in the morning and closing the box in the evening each day; and controlling the breeding density to be 80-100 insects / m<3>, and checking the number of the gall-inducing insects every 6-7 days. According to the method, the gall-inducing rate of the gall-inducing harmful insects is increased in a short time by controlling the temperature and the humidity, reducing the space of the breeding container and properly reducing the space activity range of the gall-inducing harmful insects, so that sample materials are provided for determining the species, biology, ecology as well as physiology and biochemistry of the gall-inducing harmful insects and a basis is laid for prevention and control of the gall-inducing harmful insects.
Owner:ZHEJIANG FORESTRY UNIVERSITY
Door open-close device for gas microwave oven
InactiveCN1611840AAvoid scalding accidentsImprove usabilityDomestic stoves or rangesDoors for stoves/rangesMicrowave ovenEngineering
The invention refers to a kind of oven door open-close device of the upper grille part and roaster part of the coal gas microwave oven. The oven door open-close device includes oven door side guide rail set on the inner surface of the oven door, main body side guide rail set in the front of the main body, oven door side roller fixed rotatablely on the oven port side guide rail, and main body side roller fixed rotatablely on the main body side guide rail. It makes the oven door slide to the side direction of the main body to realize open and close. So the user can open or close the oven door on its side face. This can prevent the high temperature hot wind from blowing directly to the user, and the scald accident will never occur. So it improves the safety, space activity, and the using expedience of the coal gas microwave oven.
Owner:LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
Deep space measurement and control signal error correcting method
InactiveCN103884360AImprove correction accuracyImprove correction efficiencyMitigation of undesired influencesControl signalC-Met
The invention belongs to the technical field of space physics, and relates to a deep space measurement and control signal error correcting method. The method includes the steps that tropospheric correction capital delta rho is corrected, ionospheric correction lower-case delta rho is corrected, plasma correction delta s is corrected, and finally the three types of correction are added to obtain deep space measurement and control signal error correction rho c, wherein rho c meets the equation that rho c = capital delta rho + lower-case delta rho + delta s. In the correcting process of the three types of correction, a regression method is used for building a correction correcting equation, various existing correcting models are used comprehensively, historical data can be systematically used for correcting deep space measurement and control signal error correction, and therefore the purposes of improving the deep space measurement and control signal error correcting accuracy and increasing the deep space measurement and control signal error correcting efficiency are achieved. The deep space measurement and control signal error correcting method provides technical support for deep space exploration projects of China, and has significant application value in major space activities such as Mars exploration.
Owner:BEIJING AEROSPACE CONTROL CENT
An information processing method and server
ActiveCN104408043BHigh precisionIncrease success rateData processing applicationsDigital data information retrievalInformation processingUser-generated content
Owner:SHENZHEN UNIV +1
Aeroplane
InactiveCN101249896AGood for space activitiesReduce resistanceSpace shuttlesWater resourcesSpace activity
The invention relates to the technical field of aircrafts, in particular to an aircraft for space flight, which is mainly composed of an airframe, wings and an engine, and is characterized in that the engine is movably connected below the wings, the back portion of the airframe is provided with a gas-outlet groove, and the bottom inside the airframe is provided with an arch bridge shaped airframe. The aircraft for space flight has the advantages that the large-sized aircraft for space flight is favorable for space activity, can reduce resistance, and increase flight speed, the bottom inside the airframe is provided with the arch airframe which strengthens and firms the airframe, the movable engine assists in propelling, the aircraft can take off from or land on the water, above-water resource is sufficiently utilized, less land is occupied, and the aircraft taking off from or landing on the water is safe and capable of avoiding accidents.
Owner:陈一鸣
A method of ionospheric tomography and ionospheric delay correction based on multi-scale segmentation
InactiveCN104007479BImprove delay calculation accuracyImprove computing efficiencySpecial data processing applicationsDetection using electromagnetic wavesCorrection methodIonospheric electron density
The invention discloses an ionospheric tomography technology based on multi-scale subdivision and an ionospheric delay correction method. The three-dimensional space of the regional ionosphere is subdivided according to different "pixel" scales, thereby obtaining multiple different The single-scale ionospheric tomography model, the unknown variables of these models are uniformly solved, and according to different weight factors, finally weighted to obtain the solution of the multi-scale tomography model, the ionospheric electron density distribution in the region is reconstructed, and the regional ionospheric electron density distribution is obtained. Ionospheric delay. The ionospheric space activity law reconstructed by the invention has a high degree of fitting, strong timeliness, and is convenient to use; the regional ionospheric delay amount calculation result obtained according to the invention has high accuracy, which expands the application range of CORS measurement results. After analyzing the application results of a large number of engineering examples, the ionospheric electron density distribution reconstructed by the invention is smoother and more reasonable than the traditional single-scale ionospheric tomography model, and the accuracy of ionospheric delay correction is increased by 30% on average.
Owner:SOUTHEAST UNIV
A Method for Correcting Errors of Deep Space Measurement and Control Signals
InactiveCN103884360BImprove correction accuracyImprove correction efficiencyMitigation of undesired influencesControl signalC-Met
The invention belongs to the technical field of space physics, and relates to a deep space measurement and control signal error correcting method. The method includes the steps that tropospheric correction capital delta rho is corrected, ionospheric correction lower-case delta rho is corrected, plasma correction delta s is corrected, and finally the three types of correction are added to obtain deep space measurement and control signal error correction rho c, wherein rho c meets the equation that rho c = capital delta rho + lower-case delta rho + delta s. In the correcting process of the three types of correction, a regression method is used for building a correction correcting equation, various existing correcting models are used comprehensively, historical data can be systematically used for correcting deep space measurement and control signal error correction, and therefore the purposes of improving the deep space measurement and control signal error correcting accuracy and increasing the deep space measurement and control signal error correcting efficiency are achieved. The deep space measurement and control signal error correcting method provides technical support for deep space exploration projects of China, and has significant application value in major space activities such as Mars exploration.
Owner:BEIJING AEROSPACE CONTROL CENT
Evaluation Method for Spatial Activity Concentration of Airborne Radioactive Material Sources in Nuclear Power Plants
InactiveCN104182600BAccurate assessmentSpecial data processing applicationsActivity concentrationRadioactive agent
Owner:NUCLEAR & RADIATION SAFETY CENT
A method for evaluating the spatio-temporal linkage between real space activities and cyberspace behaviors
ActiveCN107273488BIncrease time-space linkage analysisDigital data information retrievalResourcesSocial mediaSimulation
The invention discloses a method for space-time linkage mechanism evaluation of real space activity and network space behaviors. The number of mobile phone users in an activity area during the activity period is calculated by utilizing mobile phone space-time track data; a real space activity radiometric force model is constructed by utilizing the mobile phone space-time track data and through identifying 'home' positions of the mobile phone users; according to social contact media data increase rules, an activity radiometric force model of network space is constructed by utilizing a logistic model; a comprehensive space-time radiometric force model of real space and the network space is constructed, to serve as a space-time linkage strength calculation basis; and space-time linkage strength between the real space and the network space is calculated by comparing space-time radiometric force and propagation velocity of activity in the real space, the network space and the real space - network space. According to the method, space-time linkage analysis between the real space activity and the network space behaviors in the message propagation process is added, and the whole process of propagation affecting by the activity can be presented more really.
Owner:WUHAN UNIV
A Comprehensive Judgment Method for Shafting Faults of Space Moving Parts
ActiveCN104880303BWork around application limitationsAvoid lostMachine part testingFriction torqueFrequency spectrum
Owner:BEIJING INST OF CONTROL ENG
Method and device of satellite navigation system's integrity control
ActiveUS20110205112A1Improve responsivenessLower solution costsSatellite radio beaconingEarth satelliteMeasuring instrument
This invention relates to domain of space activity and can be used for the Earth satellite aided radio navigation, particularly, for control (monitoring) the system integrity without attendance of means of the ground control complex and globally allocated reference stations. A technical result of the claimed technical solution is the responsiveness enhancement of a user's notification about navigation signal uncertainty; cutting-down of expenditures for solving the task of system's integrity control considering the lack of globally allocated ground-based control and monitoring complexes; elimination of additional radio links; increase of reliability of the system's integrity control, growth of reliability. The device for realizing the method of navigation satellite system's integrity control comprises a transmitter-receiver unit, a computer, a navigation signal generator, a navigation signal source, a range measuring instrument, an unit for computing the range to other reference satellites of the navigation satellite system, an unit for comparison of estimated range with the measured one, control unit and decision-making unit.
Owner:JOINT CO RUSSIAN SPACE SYST JSC RSS
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