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942 results about "Signal interaction" patented technology

Interventional device for tubular bodies

An interventional device for a tubular body, comprising: a stent switchable between a first state and a second state, the diameter of the stent in the second state being greater than the diameter of the stent in the first state; the at least one puncture part is arranged on the stent, and the puncture part is used for puncturing the wall of the tubular body when the stent is in the second state; the at least one electrode is arranged on the at least one puncture part, and the electrode is used for extending out of the tubular body from the area, punctured by the puncture part, of the wall. By means of the scheme, effective implantation of the electrode can be achieved based on the intervention device, the implanted electrode can make direct contact with the biological tissue target area outside the tubular body, direct and non-barrier signal interaction is achieved, and the signal collecting and stimulation applying effects of the electrode are greatly improved.
Owner:SHANGHAI STAIRMED TECHNOLOGY CO LTD

Video stream low-delay transmission and real-time decoding rendering method based on TCP / UDP cooperation

The invention provides a TCP / UDP (Transmission Control Protocol / User Datagram Protocol) collaboration-based video stream low-delay transmission and real-time decoding rendering method. The method comprises the following steps of: carrying out connection management and signaling interaction; the sending end captures data for coding, and dynamically captures screen content; synchronizing the collected multi-source data according to a timestamp, transmitting the data to an encoder, and preprocessing the data before transmission; a packaged data packet is sent according to a designed transmission protocol, after receiving the data packet, a receiving end analyzes and restores the data packet according to the protocol to obtain data format information, creates and initializes decoder parameters, and then sends a prompt that preparatory work is ready to wait for receiving video stream data to a sending end; video stream data in the data transmission process are transmitted through a TCP, and in the process of rendering and displaying frame data after the video stream data are received by a receiving end, hardware acceleration is performed by using an OpenGL and utilizing a GPU, and decoded frames are displayed on a screen in real time. The method has the advantages of low delay, high reliability, high rendering efficiency, cross-platform compatibility and the like.
Owner:HUNAN INSTITUTE OF SCIENCE AND TECHNOLOGY

Satellite switching method and system for NTN high and low orbit fusion network

The invention discloses a satellite switching method and system for an NTN high and low orbit fusion network, and the method comprises the steps: S1, UE obtains the position of the UE through a GNSS, reports the position to a source satellite, and obtains a candidate satellite list which is allowed to be accessed and measurement configuration from the source satellite; s2, the UE starts measurement after receiving the candidate satellite list, and updates the candidate satellite list according to a measurement result; s3, the UE measures all satellites in the updated candidate satellite list; and sorting the low earth orbit satellites and the geostationary orbit satellites meeting the conditions according to the measurement result and the candidate satellite information, and switching the satellites according to the sorting result. The method has the characteristics that the success rate and the communication continuity of UE conditional switching are improved, the switching decision delay and the signaling interaction load are dynamically reduced, and the cooperative advantages of LEO low time delay and GEO wide coverage are fully exerted.
Owner:NAT RADIO MONITORING CENT

Configuration for radio sensing

Various aspects of the present disclosure relate to methods, apparatuses, and systems that support configuration for radio sensing. For instance, implementations provide for configuration of sensing-related nodes with knowledge of background environments related to specific radio sensing scenarios to assist in sensing receiver processing. Further, knowledge of features of a background environment can be used as assistance information for extracting sensing information for target objects, such as based on information pertaining to signal interactions between a background environment and target objects.
Owner:LENOVO (SINGAPORE) PTE LTD

HIL simulation test system of commercial vehicle domain controller

The invention provides an HIL simulation test system of a commercial vehicle domain controller. The system comprises an HIL system software platform, an HIL system simulation model, an HIL system simulation hardware platform and a vehicle body system special simulation assembly which are electrically connected. The HIL system simulation hardware platform is used for providing hardware support and executing the hardware-in-the-loop simulation test; the HIL system software platform is used for controlling a simulation test process, managing a test task and automatically generating an interface model; the HIL system simulation model is used for constructing a virtual test environment of a controller and performing signal interaction with the HIL system simulation hardware platform; the simulation assembly special for the vehicle body system is used for simulating vehicle body control, air conditioner control, gateway and vehicle control functions so as to improve the test coverage degree, and efficient development and iteration of a commercial vehicle domain controller are facilitated.
Owner:NANCHANG AUTOMOTIVE INST OF INTELLIGENCE & NEW ENERGY

Pathogenesis record generation method and system based on mobile terminal and multi-modal data

The invention provides a disease course record generation method and system based on a mobile terminal and multi-modal data, and the method comprises the following steps: firstly constructing a directional collection channel and a ward round session associated with a specific patient through the signal interaction between the mobile terminal and a sickbed; in the session, multi-modal data streams with timestamps, such as voice, images and operation instructions, are obtained in real time, and audio semantic anchor points and visual semantic anchor points are extracted from the multi-modal data streams. And constructing an image-text semantic unit by calculating and associating the audio and video anchor points of which the semantic similarity exceeds a threshold. And taking the unit as a current observation state, and verifying the legality of the state transition through a finite-state machine model. And based on the image-text semantic units passing the verification, template slot filling and term standardization are carried out, and a structured disease course record data packet is generated and written back to the HIS system. The method has the effect of improving the working efficiency and quality of clinical documents.
Owner:WUHAN SHENGBOHUI INFORMATION TECH CO LTD

WIFI mesh channel dynamic allocation method and device

According to the WIFI mesh channel dynamic allocation method and device provided by the invention, the size and position allocation of the RU are intelligently adjusted by monitoring the network flow, the equipment density and the channel interference in real time, so that the channel resource utilization rate is improved; a four-dimensional candidate channel scoring model and a decision engine are adopted for channel allocation and interference prediction, millisecond-level RU dynamic scheduling is achieved, and the low-delay service requirements of AR / VR, 4K videos and the like are met; a global channel state is determined through signaling interaction and collaborative decision among Mesh nodes, and conflicts and performance bottlenecks caused by local optimization are avoided; and a Wi-Fi 6 / 6E / 7 RU flexible division mechanism is supported, different frequency bands and bandwidth configurations are adapted, and efficient access of heterogeneous equipment is ensured. In a word, according to the scheme disclosed by the invention, the problems of static property, low efficiency and interference in RU allocation in the existing WiFi Mesh network are solved, and high-reliability and low-delay intelligent channel resource management is realized through dynamic priority layering, service type adaptation and interference avoidance technologies.
Owner:HARBIN SAISI TECH CO LTD

Sensing measurement methods and apparatuses, and device and storage medium

PCT designated stage expiredWO2024250232A1Wireless communicationTelecommunicationsUser equipment
The present application relates to the field of mobile communications. Disclosed are sensing measurement methods and apparatuses, and a device and a storage medium. A method comprises: a first user equipment determining a first SL-PRS associated with first association information, wherein at least two pieces of association information are associated with different SL-PRS configurations, and the association information comprises at least one of a region and a time window; and according to the first association information, performing sensing measurement by means of the first SL-PRS. Thus, after the first user equipment enters different regions and / or time windows, sensing measurement is performed by means of different SL-PRSs, without the need of a request for SL-PRS configurations from a network, thereby reducing signaling interaction between the first user equipment and the network after the first user equipment enters different regions and / or time windows, and reducing the delay of a wireless sensing service.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

Battery management system, anomaly detection method, battery pack and electric equipment

The invention discloses a battery management system, an anomaly detection method, a battery pack and electric equipment, the battery management system is arranged in the battery pack, and the battery management system comprises a plurality of first battery management units, a first sampling circuit, a second sampling circuit and a second battery management unit; optical communication links exist among the plurality of first battery management units, and signal interaction is carried out through the optical communication links; the first sampling circuit is used for sampling an optical signal transmitted by an optical communication link and converting the optical signal into an electric signal; the second sampling circuit is used for sampling a monitoring signal in the battery pack; the second battery management unit is used for outputting a state signal representing whether the battery pack is in an abnormal state or not based on the electric signal and the monitoring signal, and the abnormal state comprises at least one of a thermal runaway state and a liquid leakage state. In this way, the state signal representing the abnormity of the battery pack can be accurately output.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Method for signaling interaction in 5g space-ground integrated heterogeneous network architecture

A method of signaling interaction in 5G space-ground integrated heterogeneous network architecture is provided, which enables publicly available data for trusted satellite discovery to be registered to the 5G core network based on the function framework of the 5G core network. When searching for satellites, a gNB can utilize the publicly available data of the trusted satellite registered in the 5G core network to speed up satellite searching, improve satellite link services, and filter out untrusted satellites. By the method provided by the present disclosure, it can effectively improve the satellite search speed in the 5G space-ground integrated architecture, improve satellite link availability, reduce authentication complexity of satellites in ground networks in heterogeneous network architecture.
Owner:ZHEJIANG LAB

Intelligent operation and maintenance monitoring and management platform for energy station

The invention discloses an intelligent operation and maintenance monitoring and management platform for an energy station, and belongs to the technical field of energy station management systems. The problems that in existing operation and maintenance, equipment association is fuzzy, an acquisition strategy is solidified, fault root causes are difficult to position, and disposal is low in efficiency are solved. The equipment association modeling module integrates multi-dimensional data such as energy transmission and signal interaction, calculates a comprehensive coupling degree and divides grades, and generates a core equipment coupling relation matrix; the acquisition strategy optimization module dynamically adjusts the acquisition frequency of the acquisition strategy optimization module and associated equipment according to the importance degree and the running state of the equipment, and generates a time sequence associated data set; the fault diagnosis and root cause tracing module is used for constructing a three-dimensional fault conduction topological graph, accurately judging faults, quantifying levels, positioning root causes, outputting a diagnosis report and carrying out operation and maintenance according to hierarchical logic; according to the invention, equipment association quantification, intelligent optimization of an acquisition strategy and efficient fault full-link disposal are realized, the intelligence and refinement level of operation and maintenance of the energy station is improved, and stable operation of equipment is guaranteed.
Owner:HANGZHOU ENERGY CARBON INST IOT TECH CO LTD

Resource allocation method and device, equipment, storage medium and product

The present application relates to the technical field of wireless communications, and discloses a resource allocation method, apparatus and device, a storage medium and a product, comprising: receiving a scheduling request signaling sent by a user equipment, and determining a signaling interaction time between the user equipment and a base station; sending an initial allocation signaling to the user equipment based on the scheduling request signaling and the signaling interaction time; determining target cache data according to the data cache state and a historical data cache state reported by the user equipment last time; and allocating uplink resources to the user equipment based on the target cache data, and sending a target allocation signaling corresponding to the target cache data to the user equipment. According to the method, multiple cache time slots are allocated to the user according to the signaling interaction time between the user and the base station, so that multi-thread uplink resource allocation is initiated, the user equipment can instantly report a data cache state to a satellite, and user data can be more instantly allocated with resources and transmitted.
Owner:PENG CHENG LAB

System based on railway comprehensive video monitoring security application

The invention relates to a system based on railway comprehensive video monitoring security application, and the system comprises a railway video monitoring system which comprises a video management platform, front-end equipment and a terminal user; the video management platform is internally provided with an identity security authentication management and control module which is used for realizing identity authentication, verification and authorization of the video management platform when a terminal user registers; the security level control management and control module is used for realizing control signaling authentication when the front-end equipment, the terminal user and the video management platform perform signaling interaction; the video safety calling management and control module is used for realizing a video calling management and control function of the video management platform on a terminal user; and the security application system comprises a high-security-level authentication module and a video security key service system, and the high-security-level authentication module and the video security key service system are matched to provide bidirectional identity security authentication, control signaling authentication and video data encryption and decryption functions under the high-security-level application condition. The method can be widely applied to the field of railway video monitoring systems.
Owner:CRSC COMM & INFORMATION GRP CO LTD

Intelligent necklace for shepherds based on multi-mode fusion positioning and control method of intelligent necklace

The invention discloses an intelligent necklace for a shepherd based on multimode fusion positioning and a control method of the intelligent necklace. The intelligent necklace for the shepherd based on multimode fusion positioning comprises a necklace body of a strip-shaped structure. A multi-mode hybrid positioning unit, a dual-mode communication unit and a power supply unit are arranged on the necklace body; the multimode hybrid positioning unit is composed of a speed sensing module, a satellite positioning module, an inertial navigation compensation module and a UWB auxiliary positioning module, and is used for generating a positioning signal. The dual-mode communication unit is electrically connected with the multi-mode hybrid positioning unit, and signal interaction between the multi-mode hybrid positioning unit and the mobile terminal is realized through 4G / Cat-M1 and LoRa protocols; the power supply unit supplies power to the multi-mode hybrid positioning unit and the dual-mode communication unit.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY +2

Data transmission method, device, equipment and system

Provided are a data transmission method, apparatus, device and system, in the data transmission method, a terminal device can repeatedly send a first data unit on an available transmission opportunity (TO) within a configuration authorization (CG) period, the first data unit being the last one or more data units in a plurality of data units continuously sent within the CG period, the CG cycle includes a plurality of available TOs contiguous in time domain. According to the method, the terminal equipment only repeatedly sends the last one or more data units in the CG period, so that the purposes of considering the data transmission reliability and not influencing the system capacity are achieved, and in addition, the terminal equipment repeatedly sends the last one or more data units, so that the data transmission reliability is improved. In this way, the network device does not schedule a hybrid automatic repeat request (HARQ) for the last one or more data units, and system signaling interaction can be reduced.
Owner:HONOR DEVICE CO LTD

Whole vehicle power hardware-in-loop simulation test system and method under P2.5 +P4 hybrid architecture

The invention discloses a whole vehicle power hardware-in-the-loop simulation test system and method under a P2.5 + P4 hybrid architecture. The whole vehicle power hardware-in-the-loop simulation test system comprises a controller, a test cabinet and an upper computer system, the hybrid power gearbox control system is electrically connected with the high-voltage control system; the test cabinet is electrically connected with the hybrid power gearbox control system, the high-voltage control system and the upper computer system; the upper computer system comprises a management module, a signal interface module, a controller interface module and a virtual simulation vehicle module, the management module is connected with the test cabinet and the signal interface module, and the signal interface module is used for realizing signal interaction between the controller interface module and the management module; the controller interface module is connected with the signal interface module, the Soft ECU module and the power simulation module. Standardized development of the power simulation test system is realized, the modular design supports rapid adaptation of different vehicle type platforms and power architectures, and repeated development is reduced.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD

Communication method and device based on wireless access network architecture, and readable storage medium

The invention discloses a communication method based on a wireless access network architecture. The method comprises the steps that a first network function receives a signaling transmission establishment request of UE through a third network function; the first network function establishes a first signaling with a third network function according to the establishment signaling transmission request; the first network function sends a signaling transmission instruction to the second network function; signaling interaction is established between the second network function and the third network function; wherein the first signaling is an access layer signaling established by the RAN and the UE, and the first network function and the second network function are mutually independent network functions in the RAN control plane. The method and the device are used for solving the technical problem that in the prior art, an RAN can only deploy a gNB-CU-CP which not only supports a UE wireless connection management function, but also supports a UE user plane data transmission management function, so that the cost is relatively high.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Satellite communication method, device and system

Provided are a satellite communication method, device and system, the method comprising: receiving first control information, the first control information comprising first position information and first time information, the first position information being used for indicating the position of a first area to be covered by a beam of a first network device, and the first time information being used for indicating the position of a second area to be covered by a beam of the first network device; the first time information is used for indicating a first time period; a first beam direction is determined according to the first position information and second position information, and the second position information is used for indicating the position of the first network device; and in the first time period, transmitting data along the first beam direction. Based on the method, the information carried by the control signaling can be simplified, and the satellite station can be controlled to realize a beam staring function on the beam position in a plurality of time periods based on the information, so that the signaling overhead caused by sending the control signaling by the network side is reduced, and the transmission pressure of signaling interaction of a communication system is relieved.
Owner:HUAWEI TECH CO LTD

Method and device for accessing mobile terminal to network, electronic equipment and storage medium

The invention relates to a network access method and device for a mobile terminal, electronic equipment and a storage medium, and the method comprises the steps: receiving a registration request sent by a base station, the registration request carrying the identification information of the base station; in response to the registration request, performing slice negotiation with a network slice selection function NSSF network element, and determining whether to redirect to a second access and mobility management function AMF network element for network access registration according to a negotiation result; and determining the type of the base station based on the identification information of the base station and sending the type of the base station to a second access and mobility management function AMF network element when it is determined that the base station needs to be redirected to the second access and mobility management function AMF network element for network access registration, and enabling the second access and mobility management function AMF network element to perform network access registration on the mobile terminal based on the type of the base station. Therefore, the signaling interaction times can be reduced, and the network access efficiency of the mobile terminal is improved.
Owner:ZTE CORP

Logistics enterprise financial abnormal behavior big data analysis integrated early warning system and device

The invention relates to a logistics enterprise financial abnormal behavior big data analysis integrated early warning system and device, and discloses a logistics enterprise financial abnormal behavior big data analysis integrated early warning system which is characterized in that through cooperation of data acquisition, storage, analysis, early warning and other modules, multi-channel data is acquired and preprocessed, abnormity is detected by using an algorithm, early warning is performed in multiple modes, and meanwhile, a data security module guarantees safety. The invention relates to a system and a device for realizing big data analysis and early warning of abnormal financial behaviors of logistics enterprises. The system is characterized by comprising a data acquisition module, a data storage module, a data analysis module, a financial early warning module and a data secrecy module, signal interaction is established between the data acquisition module and the data secrecy module, and signal interaction is established between the data storage module and the data secrecy module. Signal interaction is established between the financial early warning module and the data secrecy module, and the data acquisition module is responsible for comprehensively collecting relevant data of logistics enterprises and providing basic data support for subsequent analysis and early warning.
Owner:JIANGSU VOCATIONAL & TECHNICAL UNIVERSITY OF ARCHITECTURE

Server and data center

The invention relates to the technical field of operation and maintenance architecture, and discloses a server and a data center, the server comprises a case, a middle backboard module, a data processing module, a fan module, an expansion module and a power supply module, the middle backboard module is arranged in the case and extends along a first direction, and a circuit is arranged in the middle backboard module for signal transmission; the number of the data processing module is at least one, and the data processing module is located on the side, in the second direction, of the middle backboard module and is in wireless connection with the middle backboard module; the fan module is wirelessly connected with the middle backboard module; the extension module is wirelessly connected with the middle backboard module and is used for connecting extension equipment; the power supply module is wirelessly connected with the middle backboard module; wherein the expansion module, the fan module, the data processing module and the power supply module are arranged in the case along a first direction and perform signal interaction with each other through the middle backboard module; the problems that the server cannot meet the PUE index and the noise is high can be solved or improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Grain depot intelligent navigation system

The invention discloses an intelligent navigation system for a grain depot. The system comprises a vehicle navigation module, a user side and administrator side double-end management platform, a real-time position tracking module based on a Beidou satellite navigation system and a geographic information system module. Wherein the vehicle navigation module is used for acquiring longitude and latitude information of an operation vehicle and realizing real-time navigation of the operation vehicle by displaying a shortest path from a current position to a target operation area; the double-end management platform of the user side and the administrator side is based on a WeChat applet, and the administrator side limits the user permission through a background and issues a navigation permission to an operation vehicle entering a reservoir area; through multi-level innovative design including dynamic rapid adaptation, multi-vehicle cooperative scheduling, distributed signal interaction, dynamic path adjustment and an adaptive navigation mode, compared with the prior art, the system has remarkable advantages in the aspects of rapid adaptability, scheduling efficiency, traffic guarantee, data safety, driving experience and the like of vehicles.
Owner:CENT GRAIN RESERVES FUZHOU DIRECTLY MANAGED STOREHOUSE

Service area division method, device and system, processor and storage medium

The invention relates to a service area division method, device and system, a processor and a storage medium. The method comprises the following steps: determining a to-be-processed area; performing region division on the to-be-processed region based on the service region division strategy to obtain a plurality of divided service regions; the service area division strategy is pre-configured by a distributed node in the distributed network architecture, a radio access network (RAN), user equipment or a target division granularity matched with the area characteristics of the area to be processed in the activity range of the user equipment; constructing a service area list based on the area information of the plurality of service areas; the service area list is used for being sent to the user equipment so as to perform service area pre-configuration on the user equipment and indicate that mobility registration updating and switching do not occur when the user equipment moves in a plurality of service areas in the service area list. By adopting the method provided by the invention, the user equipment can be prevented from frequently performing mobility registration updating, so that relatively large resource overhead and signaling interaction can be avoided.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Unmanned aerial vehicle homeward voyage method, device, equipment, medium and product

The invention relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle homeward voyage method, device, equipment, medium and product, and the method comprises the steps: controlling a target unmanned aerial vehicle to homeward voyage and starting a second wireless communication module if the communication connection between the target unmanned aerial vehicle and a target hangar is detected to be disconnected; obtaining at least one piece of preset connection information; the preset connection information comprises a connection name and a secret key of the wireless access point; based on the at least one piece of preset connection information, wireless access point searching is carried out through the second wireless communication module until the second wireless communication module is connected with the wireless access point; and controlling the target unmanned aerial vehicle to enter a warehouse through signaling interaction of the wireless access point. According to the scheme, after the unmanned aerial vehicle depot is disconnected, the second wireless communication module can be started for wireless access point searching, so that the unmanned aerial vehicle depot allowing return flight is contacted, return flight operation of the target unmanned aerial vehicle is executed, and safe return flight and warehousing of the unmanned aerial vehicle after the communication module is damaged and the ground is disconnected are achieved.
Owner:紫光天际(南京)科技有限公司

Application method, system and equipment of factory inspection navigation in two-ticket intelligent management and control system based on AOA positioning, and medium

The invention discloses an application method, system, equipment and medium of plant inspection navigation in a two-ticket intelligent management and control system based on AOA positioning, and belongs to the technical field of positioning navigation, and the application method comprises the following steps: setting a Bluetooth AOA transmitting base station and a Bluetooth AOA module positioning tag in an inspection area, carrying out signal interaction, and constructing an inspection space model; obtaining an interaction signal between the mobile Bluetooth transmitter and the Bluetooth AOA transmitting base station when an inspector carrying the mobile Bluetooth transmitter enters the inspection area, calculating the distance between the inspector and the Bluetooth AOA transmitting base station according to the signal intensity, and determining the real-time position of the inspector in the inspection space model; an inspection navigation route is generated according to the real-time position of the inspector, a preset inspection route and the work ticket information and the operation ticket information provided by the two-ticket intelligent management and control module; and when the inspector arrives at the inspection point and a preset card punching condition is satisfied, recording inspection card punching information and generating an inspection record. According to the invention, the inspection efficiency and safety are improved.
Owner:SANXIA JINSHAJIANG YUNCHUAN HYDROPOWER DEV CO LTD

Remote interference management method, gNB, electronic device, and readable storage medium

The disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). The disclosure provides a remote interference management method, a gNB, an electronic device, a readable storage medium, and a base station for performing inter-base station interference coordination. The method includes steps of: determining, by a gNB, a mapping relationship between a gNB set ID and a RIM-RS according to received configuration information; transmitting, by the gNB, the RIM-RS according to the allocated gNB set ID and the mapping relationship; and / or performing RIM-RS detection, by the gNB, determining gNB set ID information through the detected RIM-RS according to the mapping relationship, and reporting the determined gNB set ID information. The present disclosure determines the mapping relationship between the gNB set ID and the RIM-RS according to the received configuration information, and further transmits and / or detects the RIM-RS based on the mapping relationship, thus simplifying signaling interaction information and improving the communication flexibility of the RIM-RS with multiple functions. The base station includes: a transceiver, configured to transmit signals and / or receive signals; and a processor, configured to: control the transceiver to receive a physical signal transmitted by a second base station and perform interference measurement based on the received physical signal; and control the transceiver to report an interference measurement result to the second base station or a management center, to cause the second base station to perform interference coordination for at least the first base station based on the interference measurement result reported by the first base station or configuration by the management center.
Owner:SAMSUNG ELECTRONICS CO LTD

Statistical method and device of business district passenger flow, electronic equipment and readable storage medium

InactiveCN119136159AComprehensive and accurate passenger flow identificationParticular environment based servicesServices signallingData packEngineering
The invention provides a business district passenger flow statistical method and device, electronic equipment and a readable storage medium, and relates to the technical field of big data. The method comprises the following steps: firstly, obtaining a mobile phone signaling set formed by signaling data of all indoor base stations in a target business district in a current specified time period, wherein the signaling data comprises a user position during signaling interaction; carrying out clustering processing on the mobile phone signaling set based on the user position in each piece of signaling data to obtain a plurality of clustered signaling sets; then, on the basis of the position of the target business district and the user position in each piece of signaling data, all the clustering signaling sets are filtered and then merged, and at least one target signaling set is obtained; and finally, based on the at least one target signaling set, counting the passenger flow volume of the target business district in the current specified time period. Compared with the prior art, more comprehensive and accurate passenger flow identification is realized based on the signaling data of the indoor base station in the target business district.
Owner:WISDOM FOOTPRINT DATA TECH CO LTD

Topological structure of controllable commutation converter valve control system and operation method thereof

The invention relates to the technical field of extra-high voltage direct current transmission, and particularly provides a topological structure of a controllable commutation converter valve control system and an operation method thereof, and the topological structure comprises a main branch trigger monitoring case and an auxiliary branch trigger monitoring case. The main branch trigger monitoring case is used for completing optical signal interaction on the main branch of the CLCC based on a trigger signal corresponding to the main branch in the received trigger signals, and forwarding a trigger signal corresponding to the auxiliary branch in the received trigger signals to the auxiliary branch trigger monitoring case; and the auxiliary branch trigger monitoring case is used for completing optical signal interaction with the auxiliary branch of the CLCC based on the received trigger signal corresponding to the auxiliary branch. According to the technical scheme provided by the invention, synchronous triggering and time-sharing turn-off functions of the thyristors and the IGBTs are realized, and valve control systems of the LCC and the CLCC can be compatible.
Owner:CHINA EPRI ELECTRIC POWER ENG CO LTD

Cavity-enhanced Fabry-Perot interference resonant cavity

The invention discloses a cavity enhanced Fabry-Perot interference resonant cavity, and belongs to the technical field of sensing detection. The transduction film is used as a transduction medium, vibration is generated through induction, signals are converted into vibration of the film, optical signals are modulated, and information to be measured can be obtained. According to the invention, the cavity enhancement structure is introduced, the optical fiber collimator and the transduction film jointly form an interference resonant cavity, and the phase sensitization of the optical microcavity is realized by improving the reflectivity of the cavity and prolonging the time of capturing light. Through stable interference of the resonant cavity, strong optical constraint is generated, and interaction between a light beam and a transmission signal is enhanced. In addition to the characteristics of high sensitivity, small loss, small size and high integration, the device has high expandability in the design aspects of bandwidth and sensitivity, and good sensing performance and design flexibility of the device provide a new opportunity for propelling the military and civil fields such as monitoring technology and biomedicine.
Owner:HUAZHONG UNIV OF SCI & TECH +1