55results about How to "Implement active detection" patented technology

The invention discloses a device and a method for actively detecting leakage of a gas system and protecting the gas system. The device is applicable for detecting different sections of the gas system of a user. The detection device consists of a gas supply valve and an electric control system, wherein an electric controller of the electric control system consists of gas pressure sensors (4), an electric control execution mechanism (3) of the gas supply valve, a sensitive-type gas alarm and a data processor; a gas inlet end of an opening-closing device (2) of the gas supply valve is provided with a connecting opening (1.1) connected with the first gas pressure sensor (4), and a gas outlet end of the opening-closing device (2) is provided with a connecting opening (1.2) connected with the second gas pressure sensor (4); and the first gas pressure sensor and the second gas pressure sensor are connected to the data processor. The detection device can actively and comprehensively detect and protect the gas system of the user and also provide a safe and convenient gas usage environment for the gas user.

The invention discloses a malicious software network behavior detection method specific to a network service provider and a system thereof. The method comprises: a user mobile terminal is connected with a backbone network of a network service provider by a base station of the network service provider and the backbone network of the network service provider is connected with an internet network; when being connected to the internet network, the user mobile terminal applies to a detection server for authentication; after authentication processing, collection is carried out by a dynamic distribution flow mirror image port and the network flow of the user mobile terminal is cached to a flow data processing server, identification and privacy protection processing is carried out on the obtained network flow of the user mobile terminal, network flow data features are extracted and aggregated to form a feature set, and the feature set is transmitted to the detection server; the feature set is read and a detection model in the detection server detects features in the feature set; and detection results are returned to the backbone network of the network service provider by the flow data processing server and then are returned to the user mobile terminal finally.

The embodiment of the invention provides a spacecraft fault active detection method and device. The method comprises the steps that: an abnormal score corresponding to normal mode expected data corresponding to each telemetry parameter of a spacecraft at the current time is obtained through employing a preset parameter normal trend model and the current actual telemetry data of the spacecraft, wherein the parameter normal trend model is obtained by training normal historical telemetry data of the spacecraft in a preset time period; and based on the abnormal score corresponding to each telemetry parameter and a preset abnormal threshold, whether the current actual telemetry data of the spacecraft contains a fault telemetry parameter is determined, and if yes, abnormal data corresponding to the fault telemetry parameter is output. According to the invention, under the condition of lack of spacecraft fault samples, downlink normal data can be utilized to the maximum extent, a correct change model of the data is learned, and active detection of spacecraft faults is realized.

The invention relates to the field of network monitoring and provides a system and a monitoring method of remote monitoring isolation equipment. The system comprises a server terminal used for monitoring and a group of clients, wherein the server terminal comprises a server terminal data storing module, a server terminal monitoring module, a server terminal display module and a server terminal information receiving and sending module, and the client comprises a client registration module, a client intranet and outer net switching management module and a client monitoring module. The system provided by the invention utilizes a concentrated management mode, the clients actively connect and send real operation conditions, real-time network states and violation conditions to the server terminal, and the server terminal monitors the isolation equipment in real time in the mode to reduce the workload of a manager, improve the working efficiency of the manager and reinforce the usability of the safe physical isolation equipment and the application safety of the office equipment.

The invention discloses an active detection method for various network interconnections based on an ICMP protocol. The method is characterized in that a way of sending a forged ICMP detection data packet to an internal and external network interconnection device capable of simultaneously accessing internal and external networks is utilized to detect whether the internal and external network interconnection device is simultaneously connected to the internal and external networks to realize active detection of network interconnections; once the internal and external networks simultaneously accesses the internal and external networks, after the internal and external network interconnection device receives the forged ICMP detection data packet, the internal and external network interconnection device sends a matched ICMP response data packet; after an external connection server parses an ICMP data part in the ICMP response data packet, a written target address in the ICMP data part can be analyzed; and the internal and external network interconnection device capable of simultaneously accessing the internal and external networks can be obtained and positioned through the target address; and if the internal and external network interconnection device is only connected to the internal network and is not connected to the external network, after the internal and external network interconnection device receives the forged ICMP detection data packet, the forged ICMP detection data packet cannot be sent to the external connection server, namely the internal and external network interconnection device is not connected to the external network.

The present invention discloses a terahertz difference frequency source remote active detection system. The system comprises a high-power 1064nm laser, an optical parametric oscillator, a beam delay line, half wave plates, a polarizing beam splitter prism, a gallium selenide crystal, terahertz lenses, a terahertz reflector and a terahertz detector. According to the terahertz difference frequency source remote active detection system of the invention, a high-power terahertz difference frequency source radiation technique is adopted, the quasi-parallel emission-echo focusing technique of the terahertz lens group is used in combination, and therefore, the active detection of the terahertz reflected/scattered signals of a long-distance target can be realized. The terahertz difference frequency source remote active detection system of the invention has the advantages of wide coverage band, high frequency band compatibility, simple structure, high signal-to-noise ratio, long detection distance and the like, and can work under room temperature.

The invention discloses a multi-sensory active inspection robot device and a control method thereof. The multi-sensory active inspection robot device comprises a platform interface, a motion and control module (1) arranged at a bottom layer of a platform, and a vision module (2), an optical fiber smell module (3), an optical fiber hearing module (4), an optical fiber touch module (5) and an optical fiber taste module (6) which are arranged at an upper layer of the platform. Non-collinear multi-sensory active inspection robot sensing modules form a three-dimensional coordinate system for judging the orientation of a signal source. The multi-sensory active inspection robot device has the characteristics of multi-sensory three-dimensional detection, optical fiber sensing extreme environment resistance and high optical fiber sensing accuracy, and the control method has the advantages of scientific operation, the replacement of manpower and the achievement of active detection.

The embodiment of the invention discloses a phishing website processing method and device. The method comprises the following steps: obtaining the traffic data of a website server; analyzing the traffic data of the website server, and determining the domain name information of the website accessed by the terminal and the communication identifier of the terminal; determining whether the website accessed by the terminal is a phishing website or a suspected phishing website according to the domain name information; and if the website accessed by the terminal is the phishing website or the suspected phishing website, sending a prompting message to the terminal through the communication identifier.

The invention discloses a method for detecting maliciousness of a wireless network. The method comprises the steps of sending a domain name resolution request to a DNS (Domain Name System) server through an access point of the wireless network when a mobile terminal accesses the wireless network, wherein the domain name resolution request carries preset domain name data; obtaining an IP address obtained by analyzing the domain name data through the DNS server, judging whether the IP address matches a preset IP address or not and recording a first judgment result; initiating a first network access request according to the IP address, judging whether a malicious script is injected into the responded first network access request or not and recording a second judgment result; and analyzing and judging the maliciousness of the wireless network according to the first judgment result and the second judgment result. The invention also discloses a device for detecting the maliciousness of the wireless network and the security of surfing the Internet through the wireless network by the user is improved.

The invention discloses a method and a device for adjusting an audio frequency and a sound apparatus. The method comprises the following steps of outwards projecting infrared light spots through a speckle projecting device; receiving reflected light rays, reflected back by the infrared light spots, through an infrared receiving device; determining the distribution information of surrounding obstacles according to the reflected light rays; adjusting the output characteristic of the audio frequency according to the distribution information of the obstacles. The method for adjusting the audio frequency, which is provided by an embodiment of the invention, by utilizing the speckle projecting device and the infrared receiving device, and by adopting the way that infrared rays are used as activebeacons to perceive an environment, is used for realizing the active detection and the self-adaptation adjustment on the environment. In comparison with existing detection ways of an ultrasonic wave,and the like, the realization cost of infrared detection is lower; moreover, the infrared detection is friendly to a surrounding environment; the undesirable influence cannot be generated to the surrounding environment (such as a pet, and the like), and the user experience is promoted.

The invention discloses a network attack organization detection method, which comprises the following steps: when a target network attack is detected, obtaining a target attack feature of the target network attack; performing honeypot environment matching on the target attack features by using a preset rule base; judging whether the honeypot environment is successfully matched or not; if yes, pulling target attack traffic corresponding to the target network attack to the matched target honeypot environment, and capturing an attack sample and attack context information according to the target attack traffic by using the target honeypot environment; analyzing the attack sample to obtain sample recognition information; and determining a target attack organization according to the attack context information and the sample recognition information. By applying the detection method of the network attack organization provided by the invention, the dependence on known information is reduced, and the accuracy of the detection of the network attack organization is improved. The invention further discloses a network attack organization detection device and equipment and a storage medium, which have corresponding technical effects.

The invention discloses an example topology detection method and device. The method comprises the steps of generating a basic table of multiple examples; obtaining a plurality of to-be-detected examples in the basic table; traversing and searching an instance relationship of each example in the plurality of to-be-detected examples; generating new example relationship tables in one-to-one correspondence with the example relationships; and combining and processing the new example relationship table and the old example relationship table associated with the new example relationship table. According to the example topology detection method provided by the embodiment of the invention, the active detection and updating of the example topology relationship are realized, the manual repeatability of the database operation and maintenance operation is avoided, and the operation and maintenance management efficiency is improved.

The invention discloses a water area detection monitoring system which can perform active detection so as to master the dynamic state of a target on a water area in real time and generate alarm information for the target with abnormal behaviors and the target entering an alarm position. In addition, video tracking shooting of a target or a region on a water area is achieved, automatic video tracking shooting of an alarm target is achieved, and evidence obtaining is facilitated.

The invention discloses an interactive display based on a carbon-based circuit, which comprises a display substrate and a plurality of pixel units positioned on the display substrate, and the carbon-based circuit is arranged between the pixel units and the display substrate. The invention also provides a manufacturing method of the interactive display, which comprises: preparing the carbon nano material film on the display substrate firstly, preparing the carbon-based circuit by using the carbon nano material film as a channel material then, and then preparing the pixel unit on the display substrate with the carbon-based circuit. According to the interactive display based on the carbon-based circuit, non-contact touch of the pixel resolution level can be achieved, the display can activelyconduct detection and active feedback on the outside world, then the display effect is controlled, and in addition, the health condition of a user is monitored through emitted and reflected infrared signals.

This invention relates to a test method for the kind of a calling side terminal device and a call control system applying said method , in which, said method includes: sending a test signal to the calling side terminal device by the PSTN system, judging if the echo signal of said test signal is received, if not, then judging the kind of said terminal device is not the PSTN terminal kind, otherwise, deciding that the kind of the device is the PSTN terminal kind, which realizes the identification to the kind of terminal devices and the identification to the transmission ways in a call link.

The embodiment of the invention relates to a failure detection method and failure detection module for an actuator of an intelligent driving vehicle, and vehicle-mounted equipment. The method comprises the following steps: obtaining expected control information and actual vehicle state information; determining a first speed mode based on the expected control information; determining a second speedmode based on the actual vehicle state information; and detecting the failed actuator based on the first speed mode and the second speed mode. According to the method, the module, and the vehicle-mounted equipment, the failed actuator is detected through the first speed mode and the second speed mode, active detection for the actuator is realized, the failed actuator is found in time, and then adriver is reminded to take over control right in time and take corresponding actions to ensure driving safety.

The invention relates to a security check system, a data acquisition rate adjusting method and an article information detection method. The security check system comprises a first detection device, a second detection device, a security check device and a conveyor belt; the first detection device is used for detecting a to-be-detected object moving to a first detection position and generating a first detection signal of the to-be-detected object; the second detection device is used for detecting the to-be-detected object moving to a second detection position and generating a second detection signal of the to-be-detected object; the security check device is used for determining the actual conveying speed of the conveying belt according to the time interval between the received first detection signal and the received second detection signal and the conveying distance between the first detection position and the second detection position. According to the invention, active detection of the security check device on the actual conveying speed of the conveying belt is realized, so that the timeliness rate of adjusting parameters according to the actual conveying speed in the security check device is improved, and the accuracy of scanning imaging of an object to be detected in the security check device is further improved.