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34results about How to "Flexible reception" patented technology
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Using Linear and Log-Linear Model Combinations for Estimating Probabilities of Events
A method for combining multiple probability of click models in an online advertising system into a combined predictive model, the method commencing by receiving a feature set slice (e.g. corresponding to demographics or taxonomies or clusters), and using the sliced data for training multiple slice-wise predictive models. The trained slice-wise predictive models are combined by overlaying a weighted distribution model over the trained slice-wise predictive models. The combined predictive model then is used in predicting the probability of a click given a query-advertisement pair in online advertising. The method can flexibly receive slice specifications, and can overlay any one or more of a variety of distribution models, such as a linear combination or a log-linear combination. Using an appropriate weighted distribution model, the combined predictive model reliably yields predictive estimates of occurrence of click events that are at least as good as the best predictive model in the slice-wise predictive model set.
Owner:TWITTER INC
Medical information intelligent data platform, use method and application thereof
InactiveCN103530524AFlexible receptionEnable unified accessSpecial data processing applicationsAuthorization ModeData information
The invention discloses a medical information intelligent data platform, a use method and the application of the medical information intelligent data platform, and relates to the technology of medical information. The medical information intelligent data platform is a unified information resource center which can integrate the medical information, achieves medical data unified management, information sharing, early warning and monitoring, and is suitable for tertiary medical institutions in the whole country. The platform comprises an application server, a data server and a client terminal, wherein the application server, the data server and the client terminal are communicated in a wireless or wire mode, the data server is used for storing data information, the data server and a service system are interconnected in an authorization mode, and the data server obtains the data information from the service system. A system server sends out a command to the data server, and the data information of the service system is collected to the data server in a regular or real-time mode, and stored in the data server. A data calling and showing platform and a calling center are installed on the application server. The calling center is used for conducting content transferring between the client terminal and the application server.
Owner:XUZHOU TONGRUAN COMP SYST INTEGRATION
Fragmental message receiving and processing method and device
InactiveCN101789908AAvoid congestionEnhance the ability to receive long messagesError preventionData switching networksMessage lengthCache capacity
The embodiment of the invention provides fragmental message receiving and processing method and device. The fragmental message receiving and processing method comprises the steps of: acquiring the length of a fragmental message to be received and detecting the residual caching capacity of a current caching space for storing the fragmental message; and if the fragmental message is confirmed to be a long message according to the length of the fragmental message, then treating the fragmental message according to the residual caching capacity and a preset first threshold value; wherein the first threshold value is the minimum value of the residual caching capacity for allowable received long message, and the long message is the fragmental message with the message length exceeding a preset length. In the embodiment of the invention, firstly, whether the fragmental message is the long message or not is judged according to the length of the fragmental message received by each port, and if the fragmental message is the long message, whether to cache the fragmental message or not is judged according to the residual caching space capacity and a threshold value. The embodiment enhances the capacity on receiving the long message and enables the receiving process to be more flexible, thereby improving the probability on receiving the long message correctly, avoiding network blocking and improving the cost performance of the product.
Owner:HUAWEI DIGITAL TECH (CHENGDU) CO LTD
Electrostatic spinning patterning collection method and electrostatic spinning apparatus
InactiveCN105019043AFlexible receptionThe receiving device has designed a set of novel orderly and controllable collection flexibleNew-spun product collectionFilament/thread formingSpinningBiomanufacturing
The invention discloses an electrostatic spinning patterning collection method and an electrostatic spinning apparatus. Based on a conventional electrospinning technical method, through a composite electrospinning material and changing of a receiving apparatus, a novel orderly controllable receiving apparatus and a control method are developed, and an orderly electrospinning fiber structure body with a needed pattern shape is prepared through preparing an organic / inorganic composite material electrostatic spinning liquid with a certain ratio and changing a carrying portion. The method and the apparatus are high in controllability, fibers are directionally consistent and orderly, the electrospinning collection is more flexible, the control method is simpler, and the receiving patterning effect is better. According to the invention, obtained electrospinning fiber films in any shapes can also be applied to such biomedical fields as magnetic medicament transportation, cell marking, biosensors and the like, and the application of electrospinning in industries especially bio-manufacturing is expanded.
Owner:SHANGHAI UNIV
Dynamic alignment method of FPGA multi-channel serial data based on training sequence
InactiveCN108155964AFlexible receptionReliable transmission and receptionTime-division multiplexTransmission systemData lines
The invention discloses a dynamic alignment method of FPGA multi-channel serial data based on a training sequence. The method is as follows: performing a serial-to-parallel conversion operation on high-speed serial data of channels; detecting and compensating offsets of clock latching edges and data centers of the channels, and performing bit alignment; performing a sliding operation on the outputparallel data, and performing byte alignment; and performing the same delay on the parallel data output by the channels, and performing channel alignment. According to the method, dynamic alignment of the FPGA multi-channel high-speed serial data is achieved by using a training word as reference, and the alignment mainly comprises bit alignment, byte alignment and channel alignment. By adoption of the dynamic alignment method, the reception of multi-channel high-speed data is more flexible, the alignment operation can be automatically performed on data lines and clock lines of the channels inreal time according to the physical state of a current transmission system, the change in an external environment is continuously adapted, the reliable transmission and reception of data are ensured,and the transportability is good.
Owner:NANJING UNIV OF SCI & TECH
System and method for sending multimedia message by digital television
InactiveCN101110897AFlexible deliveryFlexible receptionTelevision system detailsInterconnection arrangementsTechnology of televisionThe Internet
The present invention relates to the broadcast television technical field, which discloses a multimedia message sending system by utilizing a digital television. The system comprises: a digital television terminal and a digital television multimedia message center, the digital television terminal is used for editing and importing the multimedia message which is sent to the digital television multimedia message center through the digital television network, and receiving and displaying the multimedia message sent by the digital television multimedia message center through the digital television network; the digital television center is used for receiving the multimedia message from the digital television terminal and then validating and verifying, and sending the validated and verified multimedia message to the multimedia message receiving terminal through the digital television network, the communication network or the Internet. The present invention also discloses a multimedia message sending method by utilizing the digital television. By utilizing the present invention, the multimedia message sending through the digital television is achieved, the advantage of the television as a multimedia terminal is exerted, and the telecom multimedia message service is expanded to the broadcast television platform successfully.
Owner:北京数码视讯软件技术发展有限公司
Method and system for testing message of wireless network device
ActiveCN102571283AFlexible deliveryFlexible receptionError preventionNetwork traffic/resource managementEngineeringEthernet frame
The invention discloses a method and a system for testing a message of a wireless network device. The method comprises the following steps of: configuring an infinite network card through tool software to generate a network card mirror image so that the wireless network card has a management mode and a mirror image mode; transmitting a data message of an Ethernet frame header form through the management mode, and transmitting a data message of a 802.11 frame header form and a protocol message through the mirror image mode; and receiving and capturing the data message of the Ethernet frame header form through the management mode, and receiving and capturing the data message of the 802.11 frame header form, the protocol message and an air interface message through the mirror image mode. Through the technical scheme of the method and system for testing the message of the wireless network device, disclosed by the invention, a device and an environment for transmitting and receiving wireless messages can be quickly built; based on the device and the environment, all types of wireless messages can be transmitted and received so that the wireless message can be flexibly, simply and conveniently transmitted and received among wireless devices.
Owner:武汉神州数码云科网络技术有限公司
System and method for receiving multimedia message by digital television
InactiveCN101110898AAchieve receptionFlexible deliveryTelevision system detailsInterconnection arrangementsTechnology of televisionComputer science
The present invention relates to the broadcast television technical field, which discloses a multimedia message receiving system by utilizing a digital television. The system comprises: a digital television multimedia message center and a digital television terminal, the digital television multimedia message center is used for receiving the multimedia message from the digital television terminal and then validating and verifying, and sending the validated and verified multimedia message to the multimedia message receiving terminal through the digital television network; the digital television terminal is used for receiving and displaying the multimedia message sent by the digital television multimedia message center through the digital television network. The present invention also discloses a multimedia message sending method by utilizing the digital television. By utilizing the present invention, the multimedia message sending through the digital television is achieved, the advantage of the television as a multimedia terminal is exerted, and the telecom multimedia message service is expanded to the broadcast television platform successfully.
Owner:北京数码视讯软件技术发展有限公司
Reference signal transmitting method, reference signal receiving method, access network device and terminal device
ActiveCN108234096AFlexible deliveryFlexible receptionSignal allocationPilot signal allocationAccess networkTerminal equipment
The embodiment of the invention provides a reference signal transmitting method, a reference signal receiving method, an access network device and a terminal device. The reference signal transmittingmethod comprises the following steps: the access network device determines a de-modulation reference signal DMRS pattern corresponding to an antenna port; the access network device transmits first indication information to the terminal device, wherein the first indication information is used for indicating the DMRS pattern corresponding to the antenna port; and the access network device transmitsthe DMRS to the terminal device through the antenna port and the DMRS pattern. In the embodiment of the invention, the DMRS resource corresponding to a transmission antenna port can be indicated flexibly through the DMRS pattern.
Owner:HUAWEI TECH CO LTD
Optical transmission system, scheduling node, combining node, and dividing node
ActiveCN111596409AFlexible receptionMeet the transmissionOptical light guidesEngineeringLight signal
The embodiment of the invention provides an optical transmission system, a scheduling node, a wave combining node and a wave dividing node. In the embodiment of the invention, the optical transmissionsystem can comprise a wave combination node and a wave division node, the wave combination node comprises at least two first optical path selection devices and an optical path synthesis device, optical path signals received by the at least two first optical path selection devices are synthesized through the optical path synthesis device, and two paths of synthesized optical path signals are sent,so that the wave combination node can realize a combined optical path selection device, the transmission rate of the optical signal is flexibly adjusted, that is to say, grids for optical signal transmission are flexibly adjusted, so that the channel interval of the optical signal is adjusted, the optimal channel interval is provided according to different electric layer rates, and meanwhile, thewave combination node can also provide more signal input ports, so that the access capability of the wave combining and dividing function is improved, the optical transmission system, the schedulingnode, the wave combining node and the wave dividing node are suitable for the multi-rate hybrid networking application scene, and meanwhile, the function of light splitting protection is realized.
Owner:ALIBABA GRP HLDG LTD
Using linear and log-linear model combinations for estimating probabilities of events
A method for combining multiple probability of click models in an online advertising system into a combined predictive model, the method commencing by receiving a feature set slice (e.g. corresponding to demographics or taxonomies or clusters), and using the sliced data for training multiple slice-wise predictive models. The trained slice-wise predictive models are combined by overlaying a weighted distribution model over the trained slice-wise predictive models. The combined predictive model then is used in predicting the probability of a click given a query-advertisement pair in online advertising. The method can flexibly receive slice specifications, and can overlay any one or more of a variety of distribution models, such as a linear combination or a log-linear combination. Using an appropriate weighted distribution model, the combined predictive model reliably yields predictive estimates of occurrence of click events that are at least as good as the best predictive model in the slice-wise predictive model set.
Owner:TWITTER INC
Method and device for converting serial data of electronic scale into computer universal serial bus (USB) data
InactiveCN102306134AFlexible receptionEasy ConnectivityElectric digital data processingMicrocontrollerCommunications protocol
The invention provides a method for converting serial data of an electronic scale into computer universal serial bus (USB) data, which comprises the following steps that: a computer sets a serial communication protocol of various electronic scales and a parameter for converting the elements and serial data of the electronic scale into a USB data format, and stores the protocol and the parameter in a flash chip; and a serial interface receives the serial data of the electronic scale, performs level conversion on the serial data through a serial chip, and sends the serial data subjected to level conversion to a singlechip, and the singlechip converts the serial data subjected to level conversion into a character string according to the parameter prestored in the flash chip, and sends the character string to the computer through a USB interface. The invention also provides a device for converting the serial data of the electronic scale into the computer USB data. By the method and the device, the difficulty of data transmission between a serial port of the electronic scale and a USB port is reduced, and the serial data of the electronic scale is converted, can be directly sent to software such as notepad, excel, word and the like of the computer and is stored.
Owner:福州科迪电子技术有限公司
Service data sending method, media switching center and network system
InactiveCN103139170AFlexible receptionFlexible viewingError preventionTelecommunicationsNetworked system
The invention relates to a service data sending method, a media switching center and a network system. The service data sending method comprises that a service sending demand sent by a sending user is received; when a preferred terminal preset by a receiving user is judged and learned to be in a receivable status, if the data format and / or size corresponding to the service sending demand sent by the sending user are / is judged and learned to be inconsistent with those / that supported by the preferred terminal, the data are sent to an alternative terminal preset by the receiving user. Through the service data sending method, the media switching center and the network system, a multimedia information transfer service is achieved, and users can flexibly receive and check multimedia contents.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
System and method for sending multimedia message by digital television
InactiveCN100477776CFlexible deliveryFlexible receptionMessaging/mailboxes/announcementsData switching networksTechnology of televisionThe Internet
The present invention relates to the broadcast television technical field, which discloses a multimedia message sending system by utilizing a digital television. The system comprises: a digital television terminal and a digital television multimedia message center, the digital television terminal is used for editing and importing the multimedia message which is sent to the digital television multimedia message center through the digital television network, and receiving and displaying the multimedia message sent by the digital television multimedia message center through the digital television network; the digital television center is used for receiving the multimedia message from the digital television terminal and then validating and verifying, and sending the validated and verified multimedia message to the multimedia message receiving terminal through the digital television network, the communication network or the Internet. The present invention also discloses a multimedia message sending method by utilizing the digital television. By utilizing the present invention, the multimedia message sending through the digital television is achieved, the advantage of the television as a multimedia terminal is exerted, and the telecom multimedia message service is expanded to the broadcast television platform successfully.
Owner:北京数码视讯软件技术发展有限公司
Ubiquitous service framework system for supporting service in multiple domain and method thereof
InactiveUS8359383B2Flexible receptionSupport mobilityDigital computer detailsTransmissionManagement unitComputer network
The present invention relates to a server for supporting one service in multiple domains, including: a service management unit that receives service and service execution engine from a service providing server and registers them in a service DB; a profiling server unit that requests device profile to user terminals according to a request from the service management unit and parses device profile received from the user terminals and stores it in a device DB; a service ensembler that generates a list of services usable in the user terminal based on the device profile stored in the device DB and provides the list of services to the user terminals and extracts a service execution engines suitable for the user terminals from the service DB according to user selection and transmits them to the user terminals.
Owner:ELECTRONICS & TELECOMM RES INST
Multi-modal MRI synthesis method for representing GAN based on potential information
ActiveCN110866888AImprove structural featuresFix size mismatchImage enhancementCharacter and pattern recognitionRadiologyInformation representation
The invention discloses a multi-modal MRI synthesis method based on potential information representation GAN. The multi-modal MRI synthesis method comprises the following steps: inputting collective information of different MRI modals into a generation network; the generation network respectively extracting potential information representation of multiple MRI modes by using different encoders; further transmitting the extracted potential information representation to a potential space processing network for integrated processing; obtaining a corresponding synthetic target mode by a decoder toserve as a synthetic image; jointly inputting the synthesized image and the real image into an identification network; distinguishing the real image from the generated image by the authentication network. According to the invention, a plurality of input modes can be flexibly received and synthesized, so that information loss can be effectively avoided, the fidelity of a synthesized image is effectively improved, and a high-quality image which truly reflects a detection part is obtained. The method is wide in application range, high in calculation efficiency and good in actual application effect.
Owner:SICHUAN UNIV
Emergency processing device and a method for operation and maintenance fault of a urban rail transit signal system
InactiveCN109017882AStrong timelinessThere is no problem of information transmission delayRailway traffic control systemsSpecial data processing applicationsData acquisitionAutomatic train supervision
The invention provides an emergency processing device and method for operation and maintenance fault of urban rail transit signal system, including a basic database building module, a data collectionmodule and an information management module. The basic database building module is used for building a basic database of signaling equipment in urban rail transit signaling system, wherein the basic database comprises a device number of the signaling equipment and a processing scheme corresponding to the device number; The data acquisition module is respectively used for collecting alarm information from an automatic train monitoring system, a terminal alarm system or an on-line equipment status monitoring system, wherein the alarm information carries the equipment number and the emergency degree information of the signal equipment; The information management module is configured to, when the alarm information is collected, compare a device number in the alarm information with a device number in the basic database to match a processing scheme consistent with the device number, and push the processing scheme to a user client. By adopting the device and the method of the invention, emergency treatment can be carried out according to the treatment scheme when the signal equipment fails.
Owner:GUANGZHOU METRO GRP CO LTD
A method and device for displaying advertisements
ActiveCN106604045BFlexible receptionAdvertisementsSelective content distributionComputer hardwareEngineering
The embodiment of the invention provides a method and a device for displaying an ad, so as to display an ad sent by a server in real time. The method comprises steps: one piece or multiple pieces of ad data sent by the server through a Socket long connection with user equipment during a live broadcast process is received; according to the ad data receiving sequence, the one piece or multiple pieces of ad data is stored to a variable array of the user equipment; the first piece of ad data in the variable array is acquired; based on the first piece of ad data, a first ad control for displaying a first ad corresponding to the first piece of ad data is generated; and the first ad control is displayed in an ad displaying area, and the first ad is displayed.
Owner:WUHAN DOUYU NETWORK TECH CO LTD
Message testing method and system for wireless network equipment
ActiveCN102571283BFlexible deliveryFlexible receptionError preventionNetwork traffic/resource managementAir interfaceWireless network coding
The invention discloses a method and a system for testing a message of a wireless network device. The method comprises the following steps of: configuring an infinite network card through tool software to generate a network card mirror image so that the wireless network card has a management mode and a mirror image mode; transmitting a data message of an Ethernet frame header form through the management mode, and transmitting a data message of a 802.11 frame header form and a protocol message through the mirror image mode; and receiving and capturing the data message of the Ethernet frame header form through the management mode, and receiving and capturing the data message of the 802.11 frame header form, the protocol message and an air interface message through the mirror image mode. Through the technical scheme of the method and system for testing the message of the wireless network device, disclosed by the invention, a device and an environment for transmitting and receiving wireless messages can be quickly built; based on the device and the environment, all types of wireless messages can be transmitted and received so that the wireless message can be flexibly, simply and conveniently transmitted and received among wireless devices.
Owner:武汉神州数码云科网络技术有限公司
General digital image processing system
InactiveCN102158679BSmall footprintFlexible receptionTelevision system detailsColor television detailsGraphicsElectricity
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Method and device for displaying ad
ActiveCN106604045AFlexible receptionAdvertisementsSelective content distributionArray data structureUser equipment
The embodiment of the invention provides a method and a device for displaying an ad, so as to display an ad sent by a server in real time. The method comprises steps: one piece or multiple pieces of ad data sent by the server through a Socket long connection with user equipment during a live broadcast process is received; according to the ad data receiving sequence, the one piece or multiple pieces of ad data is stored to a variable array of the user equipment; the first piece of ad data in the variable array is acquired; based on the first piece of ad data, a first ad control for displaying a first ad corresponding to the first piece of ad data is generated; and the first ad control is displayed in an ad displaying area, and the first ad is displayed.
Owner:WUHAN DOUYU NETWORK TECH CO LTD
Electronic certificate changing method, system and apparatus, and data interaction processing method, system and apparatus
The invention discloses an electronic certificate changing method, system and apparatus, and a data interaction processing method, system and apparatus. The electronic certificate changing method comprises: after a second terminal receives an electronic certificate sent by a first fund management server at a second fund management server, request information indicating changing of a receiver of an electronic certificate to a third terminal user is sent to the second fund management server; the second fund management server receives the request information and sends the request information to a third terminal; the third terminal receives the request information and sends response information to the second fund management server; and the second fund management server receives the response information and changes the receiver of the electronic certificate to the third terminal use based on the response information. Therefore, a second terminal user can change a collection side to any other terminal user randomly, so that the collection way becomes flexible.
Owner:SHENZHEN CIFPAY NETWORK BANK TECH
Methods, systems, and media for managing data of aircraft
PendingCN113849710AFlexible receptionDeal with sex as soon as possibleOther databases queryingExecution for user interfacesFlight vehicleReal-time computing
The invention discloses a method for managing data of aircraft. The method for managing data of an aircraft includes receiving data from the aircraft during operation of the aircraft according to a priority, wherein the priority is based at least in part on one or more characteristic values and / or a period of change of the data; and storing the received data, wherein the characteristic value of the data comprises one or more of a level of a security device where the data is located, a security level of the data, a real-time level of the data, a reliability level of the data and / or an urgency level of the data. The invention further discloses a corresponding system and a computer readable storage medium. According to the invention, the data of the aircraft can be received and managed more flexibly and reliably.
Owner:COMAC +1
BWP switching method and terminal
ActiveCN114205754AFlexible receptionImprove effectivenessBroadcast service distributionComputer networkTelecommunications
The embodiment of the invention discloses a bandwidth part BWP switching method and a terminal, and can solve the problem that the terminal cannot flexibly receive MBS service due to the fact that switching cannot be carried out for the MBS BWP in the related technology. The method comprises the following steps: a terminal switches from a first BWP to a second BWP under the condition that a switching condition is satisfied; wherein at least one of the first BWP and the second BWP is an MBS BWP used for MBS downlink transmission.
Owner:VIVO MOBILE COMM CO LTD
A dual-mode visible light communication method and system
ActiveCN108063636BFlexible receptionImprove transmission performanceClose-range type systemsOriginal dataDual mode
The invention discloses a dual-mode visible light communication method and a dual-mode visible light communication system, the method comprises the following steps: converting a symbol corresponding to first original data into a multi-level signal; modulating second original data pulse width according to the multi-level signal to generate a RS-VPPM symbol signal, wherein each UPWM symbol period contains a plurality of continuous RS-VPPM symbol signals; converting the UPWM symbol signal into an optical signal; receiving the optical signal through an under-sampling mode, and obtaining an averagebrightness value in each UPWM symbol period; according to variation of the average brightness value with time, restoring the first original data; through a rolling shutter mode, obtaining a stripe image of each RS-VPPM symbol, and restoring the second original data; calculating a duty ratio of a RS-VPPM signal according to the stripe image, and restoring the first original data. An apparatus comprises a symbol mapping module, a UPWM modulation and demodulation module, a RS-VPPM modulation and demodulation module, a camera, a data restoring module, and so on. The method and the system providedby the invention take account of the characteristics of relatively higher transmission performance, flexible application scenes and low complexity.
Owner:CHINA ACADEMY OF INFORMATION & COMM
Receiver, transmitter, communication system for subband communication and methods for subband communication
InactiveUS20190349157A1Low average power ratioSimplify receptionMulti-frequency code systemsTransmitter/receiver shaping networksFrequency changerCommunications system
Receiver including a frequency transformer; the frequency transformer being configured to transform a received signal having a communication bandwidth to output a plurality of first subband signals each having a first bandwidth and the frequency transformer being configured to transform the received signal to output a plurality of second subband signals each having a second bandwidth, wherein the first bandwidth and the second bandwidth differ and wherein the receiver is configured to filter the plurality of first subband signals or the plurality of second of subband signals with pulse shape filters; the receiver being configured to determine a first message based on one or more of the plurality of first subband signals and the receiver being configured to determine a second message based on one or more of the plurality of second subband signals; the communication bandwidth being larger than or equal to the first bandwidth and / or the second bandwidth.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV
Fragmental message receiving and processing method and device
InactiveCN101789908BAvoid congestionEnhance the ability to receive long messagesError preventionData switching networksMessage lengthComputer science
The embodiment of the invention provides fragmental message receiving and processing method and device. The fragmental message receiving and processing method comprises the steps of: acquiring the length of a fragmental message to be received and detecting the residual caching capacity of a current caching space for storing the fragmental message; and if the fragmental message is confirmed to be a long message according to the length of the fragmental message, then treating the fragmental message according to the residual caching capacity and a preset first threshold value; wherein the first threshold value is the minimum value of the residual caching capacity for allowable received long message, and the long message is the fragmental message with the message length exceeding a preset length. In the embodiment of the invention, firstly, whether the fragmental message is the long message or not is judged according to the length of the fragmental message received by each port, and if the fragmental message is the long message, whether to cache the fragmental message or not is judged according to the residual caching space capacity and a threshold value. The embodiment enhances the capacity on receiving the long message and enables the receiving process to be more flexible, thereby improving the probability on receiving the long message correctly, avoiding network blocking and improving the cost performance of the product.
Owner:HUAWEI DIGITAL TECH (CHENGDU) CO LTD
An Arbitrary Sampling and Receiving Method for Multi-modal Orbital Angular Momentum Vortex Waves
ActiveCN109446477BAvoid accuracyIncrease profitIndividually energised antenna arraysComplex mathematical operationsSpace environmentComputational physics
The present invention proposes an arbitrary sampling and receiving method for multi-modal orbital angular momentum vortex waves, which is used to ensure that the receiving aperture of long-distance transmission is small and realize continuous-order modal values in the case of obstacles in the space environment While receiving the vortex wave, the accuracy of the modal information of the multi-modal orbital angular momentum vortex wave is improved. The implementation steps are: determine the azimuth angle of each antenna unit; construct the field expression of the multi-modal orbital angular momentum vortex wave according to the sampling theorem to construct the energy amplitude vector c of the M modal vortex wave and sample and receive the N antenna units The coefficient matrix A between the multimodal vortex wave signal vector b; the sampling receiving device obtains the multimodal vortex wave signal vector b; obtains the ith modal vortex wave in the multimodal orbital angular momentum vortex wave energy range F i value. The invention realizes the flexible reception of the vortex wave of the continuous mode value, and improves the utilization rate of the orbital angular momentum.
Owner:XIDIAN UNIV
Method for processing alarm message of safe city video monitoring system
ActiveCN101930656BTimely alarm responseImprove alert efficiencyClosed circuit television systemsAlarmsVideo monitoringAlarm message
The invention discloses a method for processing an alarm message of a safe city video monitoring system, and relates to network equipment real-time monitoring technology in the field of communication. The work mechanism is that: a publisher-subscriber model is adopted to support message announcement to a specific message subject. The method specifically comprises the following steps that: (1) a camera, video acquisition equipment, a central server, an application server and a network management server establish a communication model; (2) the central server acquires the alarm message of the video acquisition equipment and actively reports the alarm message to the network management server; (3) the network management server receives and processes the alarm message sent from the central server, judges to select a corresponding client receiving mode and stores the message in a database server; and (4) a client receives the alarm message sent from a specific network management client through a mobile phone, mail or browser. The method follows a standard network communication protocol, has flexible expansibility and can be applied to various scenes.
Owner:武汉众智数字技术有限公司
System and method for receiving multimedia message by digital television
InactiveCN100477777CAchieve receptionFlexible deliveryTelevision system detailsColor television detailsTechnology of televisionDigital television
The present invention relates to the broadcast television technical field, which discloses a multimedia message receiving system by utilizing a digital television. The system comprises: a digital television multimedia message center and a digital television terminal, the digital television multimedia message center is used for receiving the multimedia message from the digital television terminal and then validating and verifying, and sending the validated and verified multimedia message to the multimedia message receiving terminal through the digital television network; the digital television terminal is used for receiving and displaying the multimedia message sent by the digital television multimedia message center through the digital television network. The present invention also discloses a multimedia message sending method by utilizing the digital television. By utilizing the present invention, the multimedia message sending through the digital television is achieved, the advantage of the television as a multimedia terminal is exerted, and the telecom multimedia message service is expanded to the broadcast television platform successfully.
Owner:北京数码视讯软件技术发展有限公司
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