471results about How to "Avoid transmission" patented technology

The invention relates to the technical field of intelligent robots, and discloses a face recognition method of an intelligent robot, which comprises the following steps: step 1, lightweight face detection and feature extraction: performing face detection and feature extraction through a lightweight neural network structure, and combining model compression and edge calculation to reduce calculation complexity; and step 2, illumination and attitude adaptability is realized through multi-modal fusion, and face processing under different illumination and attitude conditions is carried out based on the extracted face features by utilizing fusion of an RGB image and an infrared image, adaptive illumination enhancement and 3D attitude correction. Through a multi-modal fusion technology, 3D attitude correction and self-adaptive illumination enhancement, different illumination conditions and attitude changes can be adapted, then the recognition stability of the system in a complex environment is remarkably improved, it is ensured that face recognition has high accuracy and robustness under the conditions of insufficient illumination, strong light or multi-angle offset, and the face recognition accuracy and robustness are improved. And the application requirements of the intelligent robot in multiple scenes are met.

The invention provides a concrete admixture with sulfate corrosion resistance and rust resistance functions. The concrete admixture is prepared from the following raw materials in parts by weight: 50-65 parts of fly ash, 8-12 parts of barium carbonate, 8-12 parts of barium hydroxide, 8-12 parts of mineral powder, 5-8 parts of modified hydrotalcite or hydrotalcite, 1-3 parts of nano silicon dioxide and 1-3 parts of calcium nitrite. Nano silicon dioxide is adopted as a compact component, the porosity of the material is reduced, the compactness of concrete is improved, sulfate in the environment is inhibited from being transmitted into the concrete, meanwhile, hydrotalcite is modified by polymaleic acid serving as a scale inhibition component, and the scale inhibition effect is improved through the dual effects of high adsorbability and slow release of the scale inhibition component of hydrotalcite. The preparation method has the advantages that generation of ettringite and gypsum in a sulfate radical environment is inhibited, calcium nitrite is added as a corrosion-inhibiting component, a protective film is formed on the surface of a reinforcing steel bar, the corrosion phenomenon of the reinforcing steel bar in a concrete structure is inhibited, and finally, the concrete admixture with sulfate corrosion resistance and corrosion-inhibiting functions is formed through compounding.

The embodiment of the invention provides electronic equipment, and relates to the technical field of terminal products. The electronic equipment comprises a shell assembly, a mainboard, a heating unit, a fan and a heat dissipation module. An installation cavity is formed in the shell assembly, and the main board, the heating unit and the heat dissipation module are all arranged in the installation cavity. The mainboard is installed on the shell assembly, one side of the heating unit is installed on the mainboard, and the other side of the heating unit is connected with the heat dissipation module. The heat dissipation module and the shell assembly are arranged at an interval, and a thermal resistance structure is arranged between the heat dissipation module and the shell assembly. The shell assembly is provided with an air inlet and an air outlet, the air inlet and the air outlet both communicate with the mounting cavity, and the fan is used for driving at least part of air of the heat dissipation module to flow out of the mounting cavity through the air outlet. In this way, the fan drives the air at the heat dissipation module to flow out of the shell assembly for heat dissipation, and a thermal resistance structure is arranged between the heat dissipation module and the shell assembly, so that the shell assembly is not prone to overheating.

The invention relates to the technical field of optical fibers, in particular to a rare-earth-doped anti-resonance hollow-core optical fiber. The rare-earth-doped anti-resonance hollow-core optical fiber comprises a cladding and a plurality of anti-resonance tubes, and the cladding comprises a first refraction tube and a rare-earth-doped tube arranged on the first refraction tube in a sleeving mode; the anti-resonance tubes are sequentially arranged on the inner wall of the first refraction tube at intervals, a fiber core area is defined by the anti-resonance tubes jointly, and the fiber core area is used for transmitting laser; the rare earth doped tube is used for amplifying laser, and the first refraction tube is used for coupling the amplified laser into the fiber core area. According to the rare earth-doped anti-resonance hollow-core optical fiber provided by the invention, laser gain can be realized, and the possibility of mode instability in a laser transmission process is reduced.

The invention provides a polyimide microsphere coating modified battery diaphragm and a lithium ion battery. The battery diaphragm comprises a base membrane and a coating formed by coating the surface of the base membrane, the coating comprises polyimide microspheres with functions of adsorbing metal ions and exchanging lithium ions. According to the polyimide microsphere coating modified battery diaphragm and the lithium ion battery provided by the invention, the polyimide microspheres with metal ion adsorption and lithium ion exchange functions are utilized to form the base membrane coating, so that metal ions dissolved out of the battery can be effectively adsorbed, and the situation that the metal ions are deposited on a negative electrode to damage an SEI membrane is reduced; the cycle performance and the safety performance of the battery are improved, the lithium ion exchange and transmission of the diaphragm are improved, and the charge-discharge efficiency of the battery is further improved.

The invention discloses a cross-dimension interaction system based on Internet multi-scene application, and when the system runs, consistency verification of target equipment is carried out by collecting an application state feature vector S. The method comprises the following steps: acquiring state data of target equipment in real time, acquiring a target equipment data set M, performing difference calculation on the target equipment data set M and an application state feature vector S, acquiring a synchronization difference vector D, calculating synchronization deviation between source equipment and the target equipment, acquiring a comprehensive synchronization quality index Q, and matching the comprehensive synchronization quality index Q with a preset interaction synchronization deviation threshold PZ. And a synchronization state evaluation strategy scheme is generated, and the system prompts the user that the synchronization quality is poor and re-synchronization or optimization is possibly needed. The situation that a user transmits important data and files under the condition that the synchronization state is unknown to be poor is avoided, so that the important data are prevented from being lost, the problem that the synchronization state is not transparent is effectively solved, and the occurrence probability of the data loss situation is reduced.

The invention provides USB (Universal Serial Bus) extension safety real-time bus network card equipment and a terminal networking method, which are applied to the technical field of network data safety. The network card device comprises a USB interface, a nonvolatile memory, a device ID comparison module, a fingerprint authentication module and an SRB bus module. According to the invention, the secure data transmission of the sensitive equipment is ensured by storing and comparing the equipment ID, identifying the equipment type and using fingerprint authentication, and the sensitive data can be selectively transmitted on the secure real-time bus channel according to the data sensitivity, so that the usability of the network card equipment is improved while the data security is ensured.

The invention discloses a mass data processing method, system and device and a storage medium, and relates to the technical field of Internet of Vehicles. According to the specific technical scheme, firstly, a vehicle end uploads vehicle data to an MQTT Broker cluster, wherein the vehicle data includes but is not limited to real-time data of unique identification, travel and driving of a vehicle; the MQTT Broker cluster receives the vehicle data according to the MQTT theme corresponding to the vehicle data, filters the vehicle data, and sends the filtered vehicle data to a Kafka message queue according to a corresponding theme mapping relation; and finally, the Kafka message queue sends the vehicle data to the platform end according to the Kafka theme subscribed by the platform end. According to the method, the data processing requirement in a mass data scene in the field of the Internet of Vehicles can be met, and the stability, timeliness and high availability of message forwarding are ensured.

The invention belongs to the field of reactors, and relates to a low-noise extra-high voltage shunt reactor which comprises an oil tank, an ascending flanged base and a cooling system, an oil tank composite noise reduction structure is mounted on the inner side of the wall of the oil tank, an oil tank outer noise reduction mechanism is mounted on the outer side of the wall of the oil tank, and a reactor body positioning damping structure is mounted on the lower portion of a reactor body. The iron core is installed in the oil tank, fourth pull screws are installed on the left side and the right side of the periphery of the iron yoke, fifth pull screws are installed on the upper side and the lower side of the periphery of the iron yoke, seventh pull screws are installed at the positions, close to the inclined seam of the iron yoke, of the two corners of the upper end of the inner periphery of the iron yoke, and first shock pads are installed between the fourth pull screws, the fifth pull screws and the seventh pull screws and the iron yoke. Insulating base plates and shock pads II are arranged between the upper cross beam, the upper pressing beam and the lower foot pad and the iron yoke; an insulating rubber plate with an L-shaped structure is arranged on the outer side of the iron yoke close to the inclined seam of the iron yoke; an insulating partition plate is installed between the insulating rubber plate and the iron yoke. The clamping force of the iron yoke is increased, the vibration of the iron core is reduced, the pull screw and the insulating rubber plate are additionally arranged at the inclined seam of the iron yoke, vibration is reduced, and meanwhile noise transmission is blocked.

The invention relates to the technical field of prefabricated pump stations, in particular to a liquid level detection control device for a multifunctional prefabricated pump station, which comprises a transmission line, a balancing weight and a shell, and further comprises an air bag, a baffle plate, a first connecting pipe and a second connecting pipe, the transmission line is communicated with an external control system, and the balancing weight is sleeved on the surface of the transmission line; the bottom of the transmission line is sleeved with the shell, the baffle is arranged around the transmission line, a vertical groove is formed in the side, close to the transmission line, of the baffle, the air bag is fixedly installed at the bottom of the baffle, the first connecting pipe is arranged on the surface of the air bag and penetrates through the balancing weight to communicate the air bag with the interior of the shell, and the second connecting pipe is arranged on the surface of the shell. The surface of the baffle is provided with an air port, the air port communicates with the interior of the shell through a second connecting pipe, the air bag deforms through rising or falling of the water level in the prefabricated pump station to conduct air suction and exhaust, air in the air bag can circulate in the shell, and when the shell floats upwards or descends, the surface of the shell deforms.

The utility model provides a bidirectional anti-backflow circuit, a protection chip and an adapter plate. The bidirectional anti-backflow circuit comprises at least one anti-backflow module, each anti-backflow module comprises two anti-backflow branches with the same circuit structure, and each anti-backflow branch comprises a first control circuit, an isolation circuit, an IO circuit and a second control circuit. Wherein the first end of the first control circuit of one anti-backflow branch is coupled with the first end of the second control circuit of the other anti-backflow branch to form a first IO node, and the first end of the second control circuit of the anti-backflow branch is coupled with the first end of the first control circuit of the other anti-backflow branch to form a second IO node; wherein the control end of the first control circuit and the control end of the second control circuit of one anti-backflow branch are both coupled with a first driving signal, and the control end of the first control circuit and the control end of the second control circuit of the other anti-backflow branch are both coupled with a second driving signal. According to the utility model, bidirectional transmission and isolation protection between chips can be realized with low cost.

The invention discloses a housing construction elevator safety protection device, and relates to the technical field of elevators, the housing construction elevator safety protection device comprises a lifting mechanism, an auxiliary mechanism comprises an L-shaped block, one side of the L-shaped block is provided with an electric cylinder, the surface of a limiting block is connected with a buffer pad in a bonding manner, and a rotating rod is rotatably connected between the interiors of two single-hole blocks through a bearing. A toothed plate is fixed into each rectangular groove, and a plurality of gears fixedly sleeve the outer surface of each rotating rod. By arranging the auxiliary mechanism, when a building construction elevator breaks down during use, a lift car rapidly falls down and a speed governor cannot be normally used, a brake can be started, the speed governor cannot be normally used, so that the safety of the building construction elevator is improved, and the safety of the building construction elevator is improved. According to the safety protection device for the house building construction elevator, the speed of the elevator car can be reduced until the elevator car falls down rapidly, namely, the safety protection performance of the house building construction elevator is improved again to a certain extent, the using effect of the safety protection device for the house building construction elevator is improved, and meanwhile the using efficiency of the safety protection device for the house building construction elevator is also improved.

The invention provides a solid electrolyte and application thereof, and the solid electrolyte at least comprises: a core body comprising a sulfide electrolyte; the surface of the core body is coated with the shell layer, and the shell layer comprises lithium iodide and lithium fluoride. According to the solid electrolyte and the application thereof provided by the invention, the stability of the solid electrolyte to air and positive and negative electrodes can be improved, so that the cycle life and the stability of a battery are improved.

The invention is suitable for the technical field of foundation pit gas film monitoring, and provides a foundation pit gas film environment monitoring system which can monitor the normal use performance and the stress characteristic of a current gas film building, that is to say, the comprehensive performance monitoring of the performance of the gas film building can be realized by utilizing the characteristics of monitoring systems of all branches; according to the invention, the system is simple in structure, facilitates the mastering and control of the building performance, solves the problem that an air film building lacks an effective monitoring means at present, effectively prevents the film collapse accident caused when the large-space air-filled film building deals with the snowy weather, can give an early warning in advance to inform related personnel to remove the danger, and avoids the occurrence of safety accidents. The technical problem that an existing adopted constant-pressure control strategy cannot effectively prevent the film top from collapsing during heavy snow load is solved, long-term monitoring of data is facilitated, automatic collection and transmission of monitoring data are achieved through the field monitoring data collection subsystem, and early warning and real-time issuing of monitoring information are achieved through the early warning and information issuing subsystem.

The invention discloses a single-sample multi-style-domain adaptive image generation method and system, and relates to the field of image generation and transfer learning of computer vision, and the method comprises the steps: obtaining a source domain image; according to the source domain image, generating a target domain image by using the trained single-sample multi-target domain adaptive image generation model; the trained single-sample multi-target-domain adaptive image generation model comprises a source domain generator, a target domain generator, a target domain style feature super network, a dynamic kernel modulation module, a heterogeneous semantic feature extraction network, a texture difference feature extraction network and a CLIP model; according to the method, the knowledge migration relation during cross-domain feature learning can be mined more accurately, the method has more advantages for establishing multiple types of image domain mapping relations at the same time, unique attributes of different styles of target domains can be faithfully reflected while source domain image structure information is reserved to the maximum extent, and then target domain images with higher quality are generated.

The invention discloses a data monitoring system based on power telecontrol, which comprises a sensor module, a preprocessing module, a transmission analysis module, a data processing module, a data transmission module, a data receiving module, a data verification module, a reacquisition module and a monitoring display module, and relates to the technical field of data monitoring. According to the data monitoring system based on power telecontrol, through an intelligent transmission analysis mode, unnecessary data transmission is avoided, network resources are saved, only operation data exceeding the standard fluctuation difference are transmitted, the data transmission amount is greatly reduced, the communication cost and the system burden are reduced, and the transmission efficiency is improved; different attribute operation parameters of a plurality of time nodes in a specified period are preprocessed, an accurate fluctuation interval and a standard fluctuation difference are calculated, the operation condition of a controlled station can be reflected more accurately, and the accuracy and reliability of data processing are ensured based on scientific variance calculation and comparison.

The invention relates to the technical field of communication, in particular to a communication method and a related device. The method comprises the following steps: sending terminal equipment capability information; here, the terminal device capability information is used to indicate that the terminal device supports the association of the at least one SRS resource with the plurality of beams. First configuration information is received. Wherein, the first configuration information is used for configuring at least one first SRS resource, the at least one first SRS resource is determined based on the terminal device capability information, and the at least one first SRS resource is associated with a plurality of different first beams. By adopting the method, the utilization rate of beam resources in the process of transmitting the SRS can be improved, and the transmission quality of the SRS is ensured.

The invention belongs to the field of light-emitting diodes, and relates to a light-emitting diode based on a core-shell composite structure hole blocking layer and a preparation method thereof.The light-emitting diode comprises a cathode substrate, the hole blocking layer, a porous insulating layer and a porous anode, wherein the pores of at least one of the hole blocking layer, the porous insulating layer and the porous anode are also filled with a light-emitting active material; the hole blocking layer is composed of a composite material with a core-shell structure, the composite material with the core-shell structure adopts a conductive material as a core layer and a charge transport material as a shell layer, the porous core-shell hole blocking layer is used for replacing a common charge transport material, efficient composite luminescence of current carriers can be achieved, and the hole blocking layer is a porous hole blocking layer. And high-efficiency transmission of charges in a bulk phase can be ensured, and a high-performance light-emitting diode device is realized.

The invention provides an anti-icing film with photo-thermal and ice nucleation capabilities and a preparation method of the anti-icing film. The anti-icing thin film is a multi-phase multi-component hybrid thin film and is prepared from polyethylene, a polyacrylic acid-polyethyleneimine compound, ferroferric oxide nano particles and graphene oxide nano sheets. Wherein the polyacrylic acid-polyethyleneimine compound is dispersed in a continuous phase of a polyethylene matrix in an island-shaped structure, the ferroferric oxide nanoparticles are dispersed in the continuous phase of the polyethylene matrix and on a'sea-island 'interface, an excellent photo-thermal function is given, and the graphene oxide nanosheets are adsorbed on the outer surface of a phase region of the polyacrylic acid-polyethyleneimine compound. As an ice nucleation site, water vapor in the environment is induced to freeze, meanwhile, the vapor pressure of water vapor in the surrounding area is reduced, and freezing of the water vapor on the surface of the polyethylene phase area is inhibited. The anti-icing film provided by the invention can induce environmental water vapor to form a discontinuous ice layer on the surface of the film, reduce the ice adhesive force between the ice layer and the film, and enable the ice layer to be easily removed under the photo-thermal action, thereby achieving the purpose of preventing and removing ice.

The invention discloses a page resource providing method and device for an application program, a page loading method and device for the application program, a storage medium and computer equipment, and the method comprises the steps: receiving a resource obtaining request from a target application program in a client, the resource acquisition request carries a target resource display position identifier corresponding to a target page requested to be loaded in the client; target resource information corresponding to the target resource display position identifier is inquired in a Redis cache, and resource display position information of all resource display positions corresponding to the target application program is stored in the Redis cache; any resource display position information comprises a resource display position identifier and resource information corresponding to the corresponding resource display position; and sending the target resource information to the client, so that the client loads the target page based on the target resource information. Compared with the prior art, the cache management based on Redis provides higher flexibility and efficiency, and the load of the server is reduced.

The invention discloses a high-power-supply-rejection-ratio band-gap reference circuit with base current correction and high-order temperature compensation, which comprises a pre-voltage-stabilizing circuit module used for generating and outputting internal power supply voltage according to external power supply voltage, the internal power supply voltage is supplied to the band-gap reference core circuit module so as to isolate transmission of power supply noise to reference output; the high-order temperature compensation circuit module is used for generating nonlinear compensation current according to the bias voltage; the band-gap reference core circuit module is used for generating current in direct proportion to absolute temperature, reference voltage and reference output voltage based on internal power supply voltage and feeding back the reference voltage to the pre-voltage-stabilizing circuit module to serve as bias reference; and the base current correction circuit module is used for sampling the base current of the bipolar transistor in the band-gap reference core circuit module. On the premise that the circuit structure and the power consumption are reasonable, the temperature drift of the reference voltage is reduced, and the power supply suppression capability is improved.

The invention relates to the technical field of batteries, in particular to a diaphragm and a lithium ion battery comprising the diaphragm. The diaphragm comprises a polymer microsphere, the polymer microsphere comprises a repetitive unit A, a repetitive unit B and a repetitive unit C, the structural formula of the repetitive unit B is *-CH2-CH (OCOCH3)-*, the repetitive unit A and the repetitive unit C respectively and independently comprise one or more of substituted or unsubstituted C2-6 alkyl and # imgabs0 #, the substituted substituent group is selected from halogen, cyclopropane group, ethyoxyl group, propoxyl group, butoxy group,-COOH,-O-,-COOCH3 and-COOCH2CH3, and * represents a connecting end; the end group of the polymer microsphere is a repetitive unit A and / or a repetitive unit C, and the weight ratio of the repetitive unit B in the polymer microsphere is 3%-10%. Comprising the diaphragm disclosed by the invention is high in thermal stability, high in lithium dendrite resistance and high in safety performance.

The present application provides an eMMC chip test system and a power-on and power-off test method, which are applied to the technical field of storage chip security test. The eMMC test system is composed of an XU4 platform and an eMMC chip test platform. The XU4 platform includes a data transmission circuit, a storage device, an XU4 main control chip, a first signal transmission interface, a power module and a first power interface. The XU4 main control chip is connected to the first signal transmission interface, and the power module is connected to the first power interface; the eMMC chip test platform includes a second power interface, a second signal transmission interface, a voltage conversion module and a test chip circuit. The second power interface is connected to the voltage conversion module. The voltage conversion module has a first output end and a second output end, both of which are connected to the test chip circuit, and the second signal transmission interface is connected to the test chip circuit. The power state of the eMMC chip when it is accidentally or intentionally powered on or off at any time can be simulated to achieve the test of the impact of all power-on and power-off conditions of the eMMC on data transmission.

The utility model discloses a power wrench which comprises a shell, a swing piece, a driving assembly and an output piece. The swinging part is rotatably arranged on the shell along a first rotating direction and a second rotating direction which are opposite to each other; the driving assembly is in transmission connection with the swing part so as to drive the swing part to swing in the first rotation direction and the second rotation direction. The output part is connected with the swing part through the one-way bearing, when the swing part rotates in the first rotating direction, the one-way bearing is locked so that the swing part can drive the output part to rotate in the first rotating direction, and when the swing part rotates in the second rotating direction, the output part can rotate relative to the swing part. The output piece is provided with a first screwing part and a second screwing part which are oppositely arranged in the first direction. According to the power wrench, the structure can be simplified, the production difficulty is reduced, and the production cost is reduced. In addition, the power wrench can avoid ratchet transmission, so that limiting teeth of a wheel can be prevented from being damaged, and the service life of the power wrench is prolonged.

The utility model discloses an aluminum plate composite assembly type device which comprises a frame body, a transmission bin and a lead screw, the transmission bin is arranged in the frame body, the lead screw is installed in the transmission bin, the surface of the lead screw is in threaded connection with a ball sliding sleeve, an electric lifting rod is installed at the bottom of the ball sliding sleeve, a mechanical gripper is installed at the bottom of the electric lifting rod, and the mechanical gripper is connected with the transmission bin. A base is installed at the bottom of the frame body, an assembling base is arranged on the base, an electric telescopic rod is installed in the assembling base, and a limiting plate is installed at one end of the electric telescopic rod. And the second conveying belt is arranged so that the aluminum composite plates can be conveniently fed, the assembled aluminum composite plates can be conveyed, the assembling automation is improved, the assembling efficiency is improved, and after assembling is completed, an electric telescopic rod is started to drive a limiting plate to push the assembled aluminum composite plates to the second conveying belt for discharging.

The utility model discloses an electrode assembly of an implantable brain-computer interface. The electrode assembly comprises a flexible electrode and a switching device, the detection part of the flexible electrode is in contact with the biological cerebral cortex, an electric signal of the biological brain is obtained through the detection part, and then the electric signal is transmitted to the switching device through the transmission part of the electrode and the first interface; and then the data is transmitted to the external equipment through the second interface of the switching device. In other words, the flexible electrode and the detection part, the transmission path and the first interface included in the flexible electrode are more suitable for being in contact with the biological cerebral cortex and obtaining the electric signals under the condition that brain tissue is not damaged, and the switching device and the second interface included in the switching device are more suitable for transmitting the electric signals and ensuring the signal quality. Through mutual cooperation of the first interface of the flexible electrode and the second interface of the switching device, it is guaranteed that the biological brain tissue is not damaged, electric signals are obtained under the condition that rejection reaction is avoided, and transmission can be carried out under the conditions of high efficiency and signal quality guaranteeing.

The invention belongs to the technical field of novel flame-retardant materials, and particularly relates to a DOPO (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide) modified nano flame retardant as well as a preparation method and application of the DOPO modified nano The invention provides a DOPO modified hybrid material (DOPO (at) MXene and DOPO (at) CB) which is synthesized by taking DOPO as a phosphorus flame retardant and MXene and nano carbon black (CB) as templates and adopting an in-situ preparation method, and the material has the characteristics of phosphorus efficient flame retardance and nano flame retardance, and shows a very good synergistic flame retardant effect in a composite material. As an efficient flame retardant, the material can be applied to the field of flame retardance of polyester fiber master batches (PET), so that a PET / DOPO modified nano flame retardant composite material has better flame retardance and molten drop resistance and has a good application prospect.

The invention provides a modified diaphragm, a preparation method and a lithium metal battery in order to solve the problems of uncontrollable dendritic crystal growth and serious interface side reaction of a lithium metal negative electrode in the prior art. The modified diaphragm comprises a base membrane and a modified coating, the surface of the base membrane is coated with the modified coating, the base membrane and the modified coating are included, the surface of the base membrane is coated with the modified coating, the modified coating comprises a composite material formed by a carboxylation precursor and a carbon nano tube, the carboxylation precursor is a precursor modified by a carboxyl modifier, and the carbon nano tube is a carbon nano tube. The precursor comprises one of GeS or SnSx, and x is equal to 1 to 2. According to the modified diaphragm provided by the invention, the modified coating is prepared by coating the carboxylation precursor and the carbon nanotube balls, so that the problems of uncontrollable dendritic crystal growth and generated interface side reaction existing in a lithium metal negative electrode of a lithium metal battery can be effectively solved.

The invention discloses an electric connector, which comprises a shell with an outer bottom surface and a terminal module arranged in the shell, and is characterized in that the terminal module comprises a signal terminal with a signal main body part and a signal contact part; the conductive shielding piece is provided with a shielding main body part and an extension part, and the shielding main body part comprises a base body and a shielding part; the conductive grounding piece is provided with a grounding main body part and a grounding contact part; wherein the signal contact part and the grounding contact part protrude out of the outer bottom surface; the grounding contact part is located below the extension part, the grounding contact part and the extension part are arranged at an interval, and the grounding main body part is electrically connected with the shielding main body part; seen from the left-right direction, the projection of the signal main body part is located in the projection of the shielding part; seen from the front-back direction, the projection of the signal main body part is in the projection of the base body; after the electric connector is electrically connected with the butt joint element, the signal contact part and the grounding contact part abut against the butt joint element downwards, and the grounding contact part abuts against the extension part upwards. Viewed from the left-right direction, the projection of the grounding contact part and the projection of the extension part jointly cover the projection of the signal contact part.

The invention discloses a security immunity control method for a heterogeneous unmanned cluster system under distributed denial of attack. According to the method, an event triggering mechanism is adopted, so that continuous information interaction between followers is avoided, discrete communication is realized, a sesame phenomenon is effectively eliminated, and the limitation of limited communication bandwidth under an actual condition is eliminated; in addition, the design requirement for a distributed observer in a traditional method is eliminated, and extra information transmission caused by state variables of the observer is avoided. A controller is designed based on a matching thought to get rid of a system model prior information constraint, and state tracking can be realized under the conditions that the system model is uncertain and different communication links suffer from independent attacks; meanwhile, the equivalent attenuation rate of the communication channel is introduced, the attenuation condition is analyzed under the condition that each communication link is subjected to independent attacks, and the uncertainty of a system model and the diversity of network attacks in the actual situation are effectively dealt with.