94results about How to "Guaranteed transmission performance" patented technology

The invention discloses an impact-resistant and distortion-resistant outdoor polyethylene power cable, and relates to the technical field of cables, the impact-resistant and distortion-resistant outdoor polyethylene power cable comprises a cable core, four annularly distributed wire cores are arranged in the cable core, each wire core is composed of an inner-layer conductor, an outer-layer conductor, a heat conduction enhancement layer, an inner enhancement layer and an inner insulation layer, a shielding combination layer is arranged outside a wrapping layer, and a shielding layer is arranged outside the wrapping layer. The shielding combination layer is composed of a high-conductivity metal thin film layer, a nanometer shielding layer and a protective coating, the anti-impact combination layer is arranged outside the shielding combination layer, the anti-impact combination layer is composed of an impact dispersion layer and an energy absorption layer, the anti-distortion combination layer is arranged outside the anti-impact combination layer, and the anti-distortion combination layer is composed of an impact dispersion layer and an energy absorption layer. The anti-distortion combination layer is composed of a core layer and an elastic buffer layer, an outer sheath is arranged outside the anti-distortion combination layer, and the outer sheath is composed of a reinforcing layer, a blocking layer and an outer protective layer, so that the problems that the power cable is poor in impact resistance and distortion resistance and inconvenient to maintain are solved.

The invention relates to a preparation method of a multi-coated lithium-rich manganese-based battery positive electrode material and the positive electrode material, and belongs to the technical field of battery positive electrode materials. The multi-coated lithium-rich manganese-based material is prepared by adopting a wet chemical method. The defects of an existing coated modified lithium-rich manganese-based positive electrode material in the aspects of relieving transition metal dissolution, inhibiting surface and interface side reactions and improving ion transmission performance synergism are overcome; the invention provides a multi-coated lithium-rich manganese-based material formed by an inert oxide, a fast ion conductor and high-stability phosphate and a preparation method of the multi-coated lithium-rich manganese-based material. According to the invention, the generation of side reactions on the surface and the interface is inhibited, the electrolyte decomposition is reduced, the cycling stability is enhanced, and the discontinuous island-shaped coating discontinuously forms a protective layer on the surface of the material, and a plurality of uncovered areas are left, so that the high lithium ion transmission efficiency can be maintained, and the charging and discharging performance of the battery is improved.

The embodiment of the invention provides a routing node, a data packet sending method, a storage medium and electronic equipment, and the routing node comprises a first input unit which is used for receiving a first data packet; the routing path calculation unit is connected with the first input unit and is used for acquiring data information carried by the first data packet, performing routing path calculation on the first data packet according to the data information and determining a first output unit corresponding to the first data packet; the switch distributor is used for performing switch use right arbitration on the first input unit according to the first output unit; the crossbar switch matrix is used for transmitting the first data packet from the first input unit to the first output unit under the condition of receiving the arbitration information sent by the switch distributor; and the first output unit is used for sending the first data packet to the second input unit of the second routing node under the condition that the first data packet is received through the crossbar switch matrix.

The utility model discloses a high-flame-retardant fireproof power cable, relates to the technical field of power cables, solves the problems that a device is only provided with a substance with water-blocking performance, does not have fireproof capability, and cannot keep a power supply line continuously, safely and stably running under a flame condition, and comprises a first cable. According to the utility model, the outer side of the cable is sleeved with the low-smoke halogen-free polyolefin sheath, so that the wire cable can be protected when a fire disaster occurs, the harm of harmful substances such as smoke and toxic gas generated by the wire cable in the fire disaster to a human body is reduced, the transmission performance of the wire cable is ensured, the fire-resistant time is further prolonged, and the service life of the wire cable is prolonged. And the cross-linked polyethylene insulating layer is protected by the flame-retardant sheath layer, so that the flame-retardant time is further prolonged, the cable has higher fire resistance, and the problems that the device is only provided with a water-blocking substance, does not have fire resistance and cannot keep a power supply line continuously, safely and stably running under a flame condition are solved.

The invention provides a PCIe NTB-based heartbeat communication method between a host and a standby, and a related device, and the method comprises the steps: building an NTB communication link between two hosts, so as to enable the two hosts to carry out heartbeat message transmission and user message transmission, and enabling one of the hosts to serve as a standby; in response to heartbeat message transmission or user message transmission, driving to newly build a sending task and putting the sending task into a sending work queue, and automatically scheduling the sending task by the kernel based on a preset scheduling strategy; different communication modes are selected for message sending, a message receiver selects a corresponding communication mode for message receiving, and the communication mode comprises DMA, a message window or a note; the user layer program is prompted to have a new user message based on the received message, and meanwhile, the user layer program acquires the heartbeat message at regular time. According to the method, heartbeat message transmission and user message transmission are carried out based on the NTB communication link, no extra data link path is occupied, and the method is suitable for the situation that two hosts are directly interconnected in a failover scene.

The invention discloses a sensor based on rubber material processing, and relates to the technical field of sensors, the sensor comprises a connector shell, the top surface of the connector shell is provided with a transmitting end, the lower side of the inner wall of the connector shell is provided with a plurality of control devices, the plurality of control devices are connected in series through signal lines, and the signal lines are connected with the transmitting end. The plurality of control devices are all made of high-conductivity rubber materials, the bottom surface of the connector shell is fixedly connected with a fixing hole plate, and the left side and the right side of the interior of the fixing hole plate are each provided with a fixing cavity. An extrusion fixing mode is adopted, the device fixing convenience is improved, the device mounting and fixing difficulty is reduced, the problem of device surface damage can be avoided, the device use performance is improved, and the device is made of high-conductivity rubber control elements, so that the device is more convenient to use. The problem of mutual electromagnetic influence of surrounding control elements can be better avoided, and the transmission effect of the device can be better guaranteed.

The invention relates to a wireless resource management technology in the field of satellite communication, in particular to a communication satellite multi-carrier group load balancing method. According to the method, a periodic scheduling mode is adopted, and ground terminal resource applications received by satellites in a scheduling period are collected by satellite-borne network control for unified processing; in the processing process, the satellite-borne network controller dynamically maintains the load rate of each carrier group, and iteratively selects the carrier group with the lowest current load rate for each ground terminal for allocation by adopting a greedy strategy. The method can be applied to a broadband communication satellite with on-satellite processing and multi-carrier parallel demodulation capabilities, uplink service load balancing of each ground terminal under the same beam can be realized, and the resource utilization efficiency is improved.

The invention provides a dual-mode communication module and a dual-mode communication method, and the module comprises a data recognition end which is used for receiving a to-be-transmitted data message, carrying out the recognition of the to-be-transmitted data message, and determining a service type and a service demand; the dual-mode communication end is used for determining a dual-mode cooperative communication relationship between power line communication and wireless communication based on a service type and a service requirement, and carrying out initial transmission on a to-be-transmitted data message based on the dual-mode cooperative communication relationship; and the dynamic adjustment end is used for carrying out real-time communication monitoring on the initial transmission, determining a cooperative communication state of the power line communication and the wireless communication on the data message to be transmitted, and carrying out dynamic adjustment on the transmission process of the power line communication and the wireless communication based on the cooperative communication state. Stable and reliable transmission of the to-be-transmitted data message in a dual-mode communication mode is ensured, the flexibility of switching between dual-mode communication is improved, and the data transmission effect is ensured while the transmission efficiency is improved.

The present invention discloses an integrated composite pipe, the inner layer includes a threaded pipe and a snake-bone chain, one end of the threaded pipe and the snake-bone chain are hinged; the coating layer is sleeved on the outer side of the inner layer and adopts a woven mesh; the outer layer is wrapped on the outer side of the coating layer. The threaded pipe of the present invention adopts different parts of large pitch and small pitch to change the hardness and softness of the composite pipe; the alternating use of flat wire and round wire ensures the transmission and coaxiality of the inner pipe; the snake-bone chain part does not adopt the welding method, but adopts the hinged method; the technical solution proposed in the present invention is easy to assemble and has low cost.

The invention provides a radio frequency signal transmission delay adjusting device, which is characterized by comprising a first outer conductor, a second outer conductor, a first inner conductor and a second inner conductor which are coaxially arranged, the first inner conductor comprises a first step section and a second step section in the axial direction, the first step section is arranged in the first outer conductor, and the second step section is arranged in the second outer conductor; the second outer conductor internally comprises a first inner cavity and a second inner cavity along the axial direction, the first outer conductor is inserted in the first inner cavity, and the second inner conductor is arranged in the second inner cavity; one end, close to the first outer conductor, of the second inner conductor comprises a containing cavity extending in the axial direction, and at least part of the second step section is arranged in the containing cavity in a penetrating mode; an adjusting section is arranged between the end, located in the first inner cavity, of the first outer conductor and the end, close to the first inner cavity, of the second inner cavity, the first outer conductor can drive the first inner conductor to move in the axial direction relative to the second outer conductor, the length, penetrating through the containing cavity, of the second step section is changed, and therefore the length of the adjusting section is adjusted.

The invention belongs to the technical field of optical fibers, and particularly discloses an optical fiber, a tapering optical fiber and a preparation method of the tapering optical fiber. The core layer comprises a first region, a second region and a third region; the second area and the third area are sequentially coated outside the first area; the refractive index of the first region is distributed in a linear declining manner outwards along the center of the region; the refractive index of the second region is uniformly distributed; the refractive index of the third area is distributed in a rising manner from inside to outside; the inner cladding layer is doped with Cl and F, the outer cladding layer is doped with Cl, and the content of Cl in the inner cladding layer is lower than that of Cl in the outer cladding layer. Through the application, the refractive indexes of the core layer and the inner cladding layer are designed, the bending resistance of the optical fiber can be improved, the refractive index design can promote the uniform change of the refractive index when the optical fiber is tapered, and through the design of raw materials and components of the inner cladding layer and the outer cladding layer, the viscosity difference between the inner cladding layer and the outer cladding layer is reduced; and one-time tapering can be successful when the optical fiber is tapered.

The invention relates to the technical field of cable production equipment, in particular to an intelligent pair-twisting and cabling system of an unshielded horizontal pair-twisted wire network cable, which comprises a cable pair-twisting mechanism, a guide mechanism and a cabling mechanism which are arranged on a machine base, and is characterized in that the machine base is also provided with a driving mechanism for driving the cable pair-twisting mechanism; the pair twisting mechanism comprises two cable racks, a cable wheel, a vertical seat, a pair twisting ring and a tensioning wheel, wherein bearings of the cable wheel are installed on the two cable racks, the vertical seat is arranged on one sides of the two cable racks, and a cable guide wheel is rotationally installed in the vertical seat. According to the intelligent pair-twisting and cabling system for the unshielded horizontal pair-twisted wire network cable, synchronous action of the cable rack and the adjusting mechanism is realized through gear transmission of the driving mechanism and synchronous driving of the transmission shaft, and uniform pitch of a pair-twisted wire core is ensured in cooperation with precise guiding of a pair-twisting ring; dynamic tensioning of the adjusting mechanism is matched with limiting of the linkage structure, cable deviation and abrasion are avoided, the cable core quality is improved, and the transmission performance of the cable is guaranteed.

The utility model relates to a wrapping forming pressing wheel and a high-speed signal transmission cable. The width of a wire passing groove is adaptively set according to the cable width of the high-speed signal transmission cable. A middle area pressing part is convexly arranged in the wire passing groove of the wrapping forming pressing wheel, and the middle area pressing part and the wire passing groove have the same first symmetry plane; the middle area pressing part is used for applying pressure to the high-speed signal transmission cable from the middle position in the state that the wrapping forming pressing wheel presses the high-speed signal transmission cable, so that a wrapping tape of the high-speed signal transmission cable is tightly attached to the internal structural body, and a gap of the high-speed signal transmission cable on the second symmetry plane is eliminated. The symmetry of the high-speed signal transmission cable is optimized, so that the transmission performance of the high-speed signal transmission cable can be ensured; the inner gap of the high-speed signal transmission cable is eliminated, the symmetry of the high-speed signal transmission cable is further ensured, the wrapping tape on the high-speed signal transmission cable can be prevented from forming a wrinkle part, and the high-speed signal transmission cable is particularly suitable for a longitudinal wrapping process and can also be used for a transverse wrapping process.

The invention discloses a 3D waveguide type multi-core optical fiber link monitor which comprises an optical chip platform with n layers of stacked waveguide structures and a photoelectric detector, n is larger than or equal to 2, and the number n of waveguide layers of the optical chip platform is equal to the number of layers of connected multi-core optical fibers. The cross section distribution of waveguides in the optical chip platform and the cross section distribution of fiber cores of the multi-core optical fiber are the same and are in one-to-one correspondence; a waveguide channel corresponding to each fiber core of the multi-core optical fiber in the optical chip platform comprises an optical fiber signal coupling fan-out module, an optical signal beam splitting module, an optical signal monitoring module and a multi-core optical fiber signal coupling fan-in module which are connected in sequence; after an optical signal of a multi-core optical fiber transmitting end is coupled by the fan-out module, a small part of the signal is separated by the beam splitting module through a waveguide coupling effect and is used for monitoring, and most of the signal is transmitted back to a transmission link through the fan-in module; and the monitoring module realizes real-time detection through a photoelectric detector. According to the invention, no extra optical fiber fan-in / fan-out module is needed, the insertion loss is low, and the device is not sensitive to polarization.

The invention provides a semiconductor structure and a manufacturing method thereof, relates to the technical field of semiconductors, and is used for solving the technical problem of poor transmission performance. The manufacturing method comprises the steps that a first conductive layer is formed on a substrate, the substrate is provided with a plurality of first bosses and first grooves surrounding the first bosses, and the first conductive layer is filled in the first grooves and covers the top surfaces of the first bosses; a plurality of cavities are formed in the first conductive layer, and at least part of the cavities are located between the two adjacent first bosses in the first direction; removing part of the first conductive layer to form a plurality of second grooves arranged at intervals, and at least part of the cavity forms a first recess communicated with the second grooves; an initial bit line layer is formed within the second recess, within the first recess, and on the first conductive layer. And opening at least part of the cavities to form the first recesses communicated with the second grooves, thereby reducing the number of the cavities and ensuring the transmission performance of the semiconductor structure. The initial bit line layer fills the second groove and the first recess so as to facilitate isolation of the first conductive layer.

The invention discloses high-dielectric-constant polyurethane with a side chain containing zwitter-ion pairs as well as preparation and application of the high-dielectric-constant polyurethane, and belongs to the technical field of photoelectric materials. Zwitterionic pairs are introduced into a polyurethane chain segment through a chain extension means, positive and negative ions are ammonium positive ions / phosphate anions and / or phosphonium positive ions / sulfonate anions respectively, and the zwitterionic pairs are located on side chains. By introducing zwitterionic pairs, the dielectric constant of polyurethane can be remarkably improved, and by increasing the dielectric constant, the capacitance of the dielectric layer is increased under the conditions that the thickness of the dielectric layer is not reduced and the film performance of the dielectric layer is prevented from being damaged due to the fact that pinholes penetrate through the dielectric layer. The zwitter-ion pair is introduced to the side chain of the polyurethane, so that the dielectric property of the polyurethane is improved, and the dielectric constant is prevented from being reduced under a high-frequency alternating electric field; and when the polyurethane dielectric medium is applied to the organic field effect transistor as an insulating layer, the threshold voltage can be obviously reduced, and the original charge transfer performance can be maintained at the same time.

The present application relates to the technical field of aluminum hose processing, and discloses an aluminum packaging hose conveying device, which comprises two vertical plates arranged in parallel, a synchronous belt conveying assembly extending between the two vertical plates and along the length direction of the vertical plates, and a plurality of V-shaped material loading plates uniformly fixed on the synchronous belt of the synchronous belt conveying assembly; the device further comprises a slide plate fixed at one end of the vertical plate and connected with the discharge end of the synchronous belt conveying assembly, two main pipe connection frames symmetrically arranged at the bottom of the slide plate, a vice pipe connection frame arranged on the side of the main pipe connection frame away from the slide plate, and the main pipe connection frame and the vice pipe connection frame both being V-shaped structures; the device is provided with a set of pipe limiting units on both sides of the synchronous belt conveying assembly, so that the pipes on the conveying belt cannot be moved, and the two sets of pipe limiting units can be synchronously adjusted by using the adjusting unit, so that the pipe limiting units can limit and place packaging hoses with different diameters and length specifications, and the use range of the conveying device is expanded.

The present invention relates to a preparation method and positive electrode material of a multi-coated lithium-rich manganese-based battery positive electrode material, belonging to the technical field of battery positive electrode materials. The present invention adopts a sol-gel method to prepare a lithium-rich manganese-based material, and adopts a wet chemical method to prepare a multi-coated lithium-rich manganese-based material: overcome the defects of the existing coated modified lithium-rich manganese-based positive electrode material in alleviating the dissolution of transition metals, inhibiting surface and interface side reactions, and improving the synergy of ion transmission performance, and provide a multi-coated lithium-rich manganese-based material and a preparation method composed of an inert oxide, a fast ion conductor, and a high-stability phosphate. The present invention inhibits the occurrence of surface and interface side reactions, reduces electrolyte decomposition, and enhances cycle stability, and the non-continuous island coating discontinuously forms a protective layer on the surface of the material, leaving many uncovered areas, which helps to maintain a high lithium ion transmission efficiency, thereby improving the charge and discharge performance of the battery.

The invention provides a rotatable connector, and relates to the technical field of connectors, the rotatable connector comprises a connector body, a casing and a corrugated elastic sheet, the connector body is provided with an insertion part, the casing is provided with an insertion part, and the insertion part is inserted on the insertion part and can rotate relative to the insertion part; the corrugated elastic sheet is arranged between the connector body and the casing, and two axial sides of the corrugated elastic sheet are always in contact with the connector body and the casing; the plug-in part on the connector body and the plug-in part on the casing are matched with each other to form a plug-in structure, relative rotation of the connector body and the casing can be realized on the basis that the connector body and the casing are firmly mounted and conveniently assembled, the structure is flexible, and the connector body and the casing are always in contact with the corrugated elastic sheets of the connector body and the casing. And the relative rotation process of the connector body and the casing is stable and reliable.

The utility model discloses a novel splicing type connecting line, which comprises a connecting line main body, one end of the connecting line main body is fixedly connected with a male joint, the other end of the connecting line main body is fixedly connected with a female joint, and one end of the male joint is fixedly connected with a plug. The cable connector comprises a male connector and a female connector, the male connector is provided with a plug, the plug is fixedly connected with a connecting chip, one end of the female connector is provided with an interface corresponding to the plug, and the male connector and the female connector are provided with connecting assemblies. A certain number of cables can be conveniently selected according to the required length, a worker only needs to press the two control blocks during splicing, the operation of the connecting assembly can be completed by one hand, the structure is simple, the operation is convenient, the use portability is improved, meanwhile, the high connecting stability is achieved, and the cable cannot be disconnected even if the cable is pulled.

The invention provides a high-frequency carrier plate and a manufacturing method. The high-frequency carrier plate comprises a first copper foil layer, a first PP layer, a first LCP layer, a first bonding layer, a core plate layer, a second bonding layer, a second LCP layer, a second PP layer and a second copper foil layer which are sequentially stacked in the height direction. The LCP layer is matched with the PP layer, so that the loss of high-frequency signals in the transmission process is reduced, and the transmission quality of the high-frequency signals is improved; and the glass fiber reinforced PP layer is arranged, and meanwhile, the insulation effect of the PP layer is improved through glass fibers, so that the problem of short circuit of the PCB is avoided. The PP layer is arranged on the outer side of the LCP layer, deformation of the LCP layer under the influence of the welding temperature is avoided, meanwhile, glass fibers of the glass fiber reinforced PP layer are used for supporting the copper foil layer, and the supporting performance of the high-frequency carrier plate is improved.

The present invention discloses an airtight through-cabin optical fiber connector, comprising a socket and a plug, wherein the socket comprises a socket housing, one end of the socket housing is provided with a collimator mounting hole, and the other end is provided with a front end docking hole, the collimator mounting hole and the front end docking hole are interconnected and their central axes coincide, an optical window is provided at one end of the front end docking hole close to the collimator mounting hole, and a socket collimator is provided in the collimator mounting hole; the plug comprises a plug main sleeve, one end of the plug main sleeve is provided with a front end hole, and the plug collimator is axially movably connected in the front end hole. The airtight through-cabin optical fiber connector proposed by the present invention ensures the airtightness of the socket by arranging an optical window on the socket and fixing the optical window by welding; collimators are provided on both the plug and the socket to ensure the transmission effect of the optical fiber.

The utility model discloses a photovoltaic junction box transmission device, which relates to the technical field of photovoltaic junction boxes and comprises a metal bottom plate and a transmission assembly. According to the photovoltaic junction box transmission device provided by the invention, through the arrangement of the connecting assembly, one end of the cable is peeled off, the cable passes through the middle hole of the rotating handle and extends into the box cavity through the hollow inner cavity of the elastic clamping piece, the internal wire rod of the cable is extruded and fixed on the conducting strip through the fastening screw rod, and then the rotating handle is rotated, so that the cable is fixed on the conducting strip; under the matching action of the rotating handle and the threaded opening in the top of the base, the inner conical surface on the inner side of the bottom of the rotating handle extrudes the outer inclined surface on the outer side of the top of the elastic clamping piece, so that the elastic clamping piece is folded and combined to tightly wrap the cable, the cable can be effectively prevented from loosening and falling off, and continuous transmission of current is guaranteed; the base plate is additionally arranged at the front end of the top of the metal bottom plate, so that the transmission cable is flush with the opening of the middle hole, and the tensioning force caused by the height difference can be effectively reduced.

This utility model discloses an optical fiber coiling device, an optical engine, and an optical module, including a coiling frame and a limiter. The coiling frame has a first surface and a second surface facing each other. The second surface is provided with slots for accommodating or aligning the first and second optical components. The first surface is provided with an arc-shaped coiling channel, a coiling structure, and multiple positioning blocks. The limiter cooperates with the first surface of the coiling frame. After the first optical fiber leading from the slot of the first optical component on the second surface reaches the first surface, it is coiled and limited within the arc-shaped coiling channel. The second optical fiber leading from the slot of the second optical component on the second surface is guided and limited to be led out along a non-coiling path. This utility model achieves effective management and reliable fixation of different optical fiber paths, ensuring the bending radius of the optical fiber. At the same time, the coiling frame integrates an optical component protective cover and auxiliary sealing function, effectively optimizing the internal space of the module, simplifying the assembly process, and improving the reliability and production efficiency of the optical module.

The utility model discloses an environment-resistant optical fiber connector, which comprises a bottom shell provided with a containing cavity, an optical fiber adapter is arranged at the center of the containing cavity, and a sealing assembly is arranged on the bottom shell; the sealing assembly comprises an upper cover, a lower sealing ring and an upper sealing ring. According to the utility model, the upper sealing ring and the lower sealing ring are designed at the joint of the upper cover and the bottom shell, and the interference fit among the bottom shell, the upper cover and the sealing rings is utilized, so that the waterproof and dustproof effects on the internal optical fiber connecting part can be realized, and the stability of signal transmission is improved; meanwhile, a positioning plate is designed at the bottom of the upper cover, after the optical fiber is inserted into the optical fiber adapter, when the upper cover is fixed on the bottom shell, the positioning plate can be inserted into a slot along the optical fiber, and at the moment, one end of the positioning plate abuts against the outer end face of the optical fiber line connecting end of the optical fiber and is used for positioning the optical fiber; and the optical fiber can be prevented from falling off, and the optical fiber transmission effect is ensured.

The utility model provides a kind of material conveying device and transmission system, it is related to transmission equipment technical field, the material conveying device includes blanking hopper, material blocking subassembly and transmission component, first blanking port is side by side with second blanking port, and first blanking port and second blanking port are located the opposite side of feed port, material blocking subassembly includes baffle, baffle is used to close first blanking port and / or close second blanking port, first transmission channel is communicated with first blanking port, second transmission channel is communicated with second blanking port.The baffle of the utility model can close first blanking port and / or can close second blanking port, to reach the purpose of control and switching powder blanking path, avoid the situation that smoke powder agglomerate completely blocks single transmission pipeline, so that powder can be transmitted by first transmission channel and / or second transmission channel respectively, guarantee the transmission effect of powder.

The invention relates to a circuit module and electronic equipment. The circuit module comprises a printed circuit board and a characteristic matching network, the printed circuit board comprises a top layer, a plurality of middle layers and a bottom layer, and the characteristic matching network is arranged on the printed circuit board; the characteristic matching network comprises a signal transmission line and a POC circuit. The POC circuit comprises a first impedance network, a second impedance network and a POC power supply. One end of the first impedance network is connected with the signal transmission line, the other end of the first impedance network is connected with one end of the second impedance network, and the other end of the second impedance network is connected with the POC power supply; the middle layer is provided with a copper foil hollowed-out area, and the copper foil hollowed-out area is opposite to the first impedance network, the second impedance network and the wiring area between the first impedance network and the second impedance network. According to the invention, the insertion loss of a signal transmission link can be effectively reduced.

The invention discloses a method, device and equipment for adjusting transmission limitation and a readable storage medium, and belongs to the technical field of communication, and the method comprises the steps that a terminal determines that scheduling limitation exists in a first service cell or an effective target interval opportunity exists; the terminal and the network side equipment execute predefined operation according to the target signaling; wherein the first service cell is any service cell configured by the terminal; the target signaling is used for configuring or indicating whether a predefined operation is executed or allowed to be executed in a predefined time range, and the target signaling is at least one of the following items: a semi-static signaling received by the terminal from network side equipment; the terminal receives a first dynamic signaling from the network side device; the terminal sends a second dynamic signaling to the network side equipment; the predefined operation includes at least one of: relaxing a scheduling limit or disabling the scheduling limit within the first set of time domain cells; skipping the interval opportunity or disabling the interval opportunity; and adjusting interval pattern parameters corresponding to the interval opportunity.

The present invention relates to the technical field of electrical components, and in particular to a precision frequency adjustment switch of a digital walkie-talkie, comprising a hexagonal clamping part installed on a walkie-talkie body, wherein a circular limiting part is fixedly installed on the top and bottom of the hexagonal clamping part, and a hexagonal rotating column is rotatably connected to the circular limiting part. At an emergency rescue site, rescuers use a fixed-frequency walkie-talkie for communication and coordination. If the frequency modulation switch knob is accidentally touched to change the frequency, communication interruption may occur, affecting rescue efficiency and even endangering life safety. The fixed knob can ensure that the device always operates at the set frequency and ensure the stability of the communication link. Accidentally touching the frequency modulation switch knob to change the frequency may cause the device to enter other frequency bands in use, thereby causing signal interference. On the one hand, it interferes with the normal communication of other devices, and on the other hand, it may also receive unnecessary signals, affecting the quality of normal communication.

The present invention discloses a contamination attack node identification method, device and storage medium based on self-checking technology. The present invention comprises the following steps: first, in the system initialization stage, the source node needs to determine the total number of layers of the network and allocate corresponding random number seeds to the nodes in the network; secondly, data transmission is performed: then the source node starts malicious node identification: if one or more of the destination nodes find that there is a contamination attack in the network during the data transmission stage, it will immediately send an alarm message to the source node and trigger the identification process of the malicious node. Finally, after completing the identification process of all the first-layer nodes, the source node informs the possible malicious nodes and starts the identification process layer by layer. The present invention can effectively identify potential contamination attack nodes in the network, thereby ensuring the transmission performance and network stability of the network.