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55results about How to "Facilitate identification" patented technology

Message processing method based on serial number, terminal equipment and server

InactiveCN107491356AGood for timely deliveryMultiple coding methodsInterprogram communicationData switching networksTerminal equipmentComputer terminal
The invention discloses a message processing method based on a serial number. The message processing method comprises the steps of receiving an on-line message sent by a server and identification information of the on-line massage, wherein the identification information comprises a receiving serial number added to the on-line massage by the server and a receiving serial number of the last on-line message sent to the receiving side by the server; storing identification information of the received on-line message and the identification information of the received last on-line message into a message chain table; if it is determined that the message chain table is interrupted, requesting to resend the on-line message to the server according to the identification information of the interrupted massage; receiving the on-line message returned by the server, and updating the message chain table according to the identification information of the on-line message. The invention further provides terminal equipment and the server for achieving the method. Through the message processing method based on the serial number, the terminal equipment and the server, the lost message can be timely found out and accurately and completely retrieved.
Owner:GUANGZHOU BAIGUOYUAN INFORMATION TECH CO LTD

Power network vulnerability evaluation method based on multiple attack strategies

The invention discloses a power system vulnerability evaluation method based on multiple attack strategies. The method comprises the following steps: 1) constructing a power grid model; 2) evaluatingthe importance of nodes in the network from four aspects of node degree, betweenness, local centrality and node fault loss, and completing the formulation of an attack strategy according to the importance of the network nodes; 3) establishing a betweenness virtual flow model to simulate a cascade fault propagation process in a power system; and 4) establishing a vulnerability index based on the betweenness virtual flow model, simulating a network attack by adopting a plurality of attack strategies, and evaluating the vulnerability of the IEEE300 power system network according to the change ofthe vulnerability index. Aiming at the vulnerability of the power network under the condition of various attack strategies, the betweenness virtual flow model and the various attack strategies are established to analyze the performance change of the power grid under the cascade failure. The importance of nodes in a power network can be identified, and decision support is provided for maintenance work of power system managers and power system fault prevention of designers.
Owner:XUZHOU NORMAL UNIVERSITY

WIFI intelligent doorbell unlocking system and method based on face recognition

PendingCN110009792ATo meet the various needs of different applicable occasionsMeet the needs of frequent accessIndividual entry/exit registersDoorbellData interchange
The invention discloses a WIFI intelligent doorbell unlocking system based on face recognition. The WIFI intelligent doorbell unlocking system includes an intelligent doorbell, an intelligent door lock, and a backstage administration module. The intelligent doorbell includes an MCU core module, a 2.4 G wireless module, a 433 M wireless module, a WiFi module, and a power source management module. The intelligent doorbell is connected with the intelligent door lock in a wireless communication mode through the 433 M wireless module. The backstage administration module is connected with the MCU core module of the intelligent doorbell through the WiFimodule. The 2.4 G wireless module is used for data exchanging communication between the intelligent doorbell and mobile phone APPs of users. The MCU core module is used for intelligent control overall the parts. The power source management module provides working power sources for all the parts. The WIFI intelligent doorbell unlocking system aims at the broad prospects of intelligent home application, real name authentication is applied to intelligent home, and safety is also improved while convenience is brought to the users The WIFI intelligent doorbell unlocking system has the advantages of convenient and quick use, real name authentication, safety and reliability.
Owner:广州国联智慧信息技术有限公司
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