92results about How to "Transmission impact" patented technology

The invention discloses a D2D (device-to-device) cooperative communication method for harvesting energy in an OFDM (orthogonal frequency division multiplexing) cellular network. The method comprises following steps: S1, an idle D2D user is selected between a base station and cellular users who cannot be communicated with the base station normally and is taken as a relay node; S2, downlink signals to be sent to the cellular users are sent to the relay node by the base station, the cellular users send known signals to the relay node, and both processes adopt channels to be assigned to the cellular users by the base station originally; meanwhile, the relay node receives the signals in a power dividing manner, performs energy harvesting on a part of signals after division and performs information decoding on the other part of signals; S3, the relay node forwards information in the downlink signals to the cellular users by the aid of the harvested energy, and channels of other D2D pairs in a cell are reused in the forwarding process. According to the technical scheme, the relay node harvests energy from the base station and the cellular users simultaneously, and the energy harvesting efficiency is improved.

The invention provides a CPU-protecting mass-flow attack identification method and device. The method includes: dividing messages which need to be processed by a CPU into different types; acquiring a real-time rate at which messages of each type are uploaded to the CPU; judging whether the real-time rate of the messages of each type exceeds a filtering rate of the messages of the type; if the real-time rate exceeds the filtering rate, abandoning the messages of the type exceeding the filtering rate and adjusting the filtering rate of the messages of the type into a preset minimum rate; and if the real-time rate does not exceed the filtering rate, allowing the messages of the type to be uploaded to the CPU. The CPU-protecting mass-flow attack identification method and device enable the messages to be classified into different types and the real-time rates of the messages to be calculated, rates of the messages of different types to be limited, and an alarm to be sent for messages with overly high speeds and reception rates to be automatically adjusted so that the CPU is protected from attacks by mass flow and affects of an overly high speed of messages of a specific type on messages of other types are prevented.

The present invention discloses a method for detecting E1/T1 connection error. In the present invention, HDLC controller utilizes idleness or according to protocol reserved bit transmitting/receiving test signal, if capable of receiving local side sent test signal then judging occurring loop back connection. When Two equipment straight connected in E1/T1 or intermediate equipment using transparent transmission to E1/T1 frame structure information, capable of using FDL bits in T1 ESF frame or idleness bit Sa bits in E1 PCM frame 0 time slot NFAS signal to transmit test signal. In intermediate equipment without E1/T1frame structure frame structure signal transparent transmission function, idleness time slot or its combination can be used for transmitting said test signal. Test signal can identify each E/T physical link, for example capable of according to link index number encoding generation; if receiving other link test signal then judging occurring mandarin duck line connection (one line contacting earth, one line contacting battery).

The present invention discloses a pan tilt and zoom lens control task operating method of terminal camera device and a device thereof, wherein the method and device are used for video monitoring system which is based on network. The pan tilt and zoom lens control task operating method comprises the following steps: singly establishing a task which is closed when a control instruction is not received for pan tilt and zoom lens control; when the control instruction is transmitted, arousing the pan tilt and zoom lens control task by the instruction task and transferring the control instruction to the pan tilt and zoom lens control task; transmitting the control instruction to a pan tilt and zoom lens controller by the pan tilt and zoom lens control task for causing the pan tilt and zoom lens controller to drive the pan tilt and zoom lens to move according to control instruction. The invention adopts a mode of singly establishing the pan tilt and zoom lens control task to cause that the pan tilt and zoom lens control task of terminal camera shooting device operates more smoothly.

A P2P network flow control method based on application layer detection comprises the following steps: two modules are respectively arranged on a host computer and a router; the host computer identifies P2P data and tags P2P data packet when an application program calls a programming interface of socket layer; the router carries out responding analytical processing after receiving the data packet and processes the P2P data according to control rules. The P2P network flow control method based on application layer detection is composed of the host computer identification method based on file information analysis and the hierarchical token bucket (HTB) flow control method based on the Linux router; compared with previous proposals, the method of the invention significantly improves identification accuracy, strengthens weak expandability and has the advantages of strong instantaneity and low cost of deployment.

The invention provides a multilayer composite [beta]"-Al2O3 flat-plate-type solid electrolyte and a preparation method thereof. A porous supporting layer, which is slightly thicker than a thin-wall solid electrolyte layer, is attached to the thin-wall solid electrolyte layer, wherein the porous supporting layer has an effect of reinforcement so that the solid electrolyte is prevented from cracking during usage and a safety performance of a sodium-sulfur battery is enhanced. Meanwhile, the supporting layer is in a porous structure, wherein pores provide channels for transportation of sodium ions, do not have an obvious blocking effect on the transportation of the sodium ions and not influent resistivity and ion flux, so that the multilayer composite [beta]"-Al2O3 flat-plate-type solid electrolyte, which is composed of a thin compact layer and a thick porous supporting layer, not only has a high ion flux but also has enough strength, thereby enabling a manufactured sodium-sulfur battery to be high in energy density and meanwhile safety to be not influenced.

The invention discloses a hoisting device of a military transportation platform vehicle, which is used for hoisting goods. The hoisting device comprises a telescopic door frame, at least one set of hoisting arm device and four supporting legs, wherein the telescopic door frame is arranged on the military transportation platform vehicle and comprises a first longitudinal beam and a second longitudinal beam which are positioned on the left and right sides of the military transportation platform vehicle respectively, and a first transverse beam and a second transverse beam which are positioned at the head and tail ends of the military transportation platform vehicle respectively; the at least one set of hoisting arm device is arranged above the telescopic door frame and is used for automatically hoisting the goods from the tail part of the military transportation platform vehicle; and the four supporting legs are arranged below the telescopic door frame. The military transportation platform vehicle with the hoisting device can freely hoist the goods and ensure the normal transmission of the goods on a transmission platform simultaneously, so that work efficiency is effectively improved.

The invention discloses an energy and signal synchronous transmission system and a transmission method in a wireless power transmission technology, which is applicable to the field of wireless charging. The system comprises a DC power supply, a high-frequency inverter, a primary-side energy transmitting module, a signal modulation module, a secondary-side energy receiving module, a signal demodulation module and a load, a blocking capacitor and the primary-side energy transmitting module are connected in series after the high-frequency inverter so as to form a triangular wave extraction channel; and the signal modulation module loads baseband signals to triangular waves through changing the operating frequency of the high-frequency inverter, the energy and signals are simultaneously transmitted to the secondary side through a loosely coupled transformer, the energy and the signals in the channel are separated through the secondary-side energy receiving module and the signal demodulation module, and synchronous transmission of the energy and the signals is realized. The non-contact energy and signal synchronous transmission system is stable in output power, high in signal transmission rate and small in system size.

The invention discloses a mobile phone back housing capable of realizing wireless charging. The mobile phone back housing is composed of at least two layers of ceramic sheets, a coil is printed on each layer of ceramic sheet, and electric connection between the ceramic sheets is realized through through holes. The thickness of each ceramic sheet is 20 [mu]m-1000 [mu]m, and the total thickness of the mobile phone back housing is 0.2 [mu]m-2 [mu]m. Correspondingly, the invention further provides a method for preparing the mobile phone back housing capable of realizing wireless charging. According to the invention, the wireless charging efficiency of a mobile phone is improved, the wireless charging speed is substantially increased to 2-3 times of the speed of common wireless charging, the thickness of the mobile phone is not increased but decreased, the lightening and thinning requirements of a user to the mobile phone are met, and the market competitiveness is improved.

The present invention discloses a method for transmitting information from a client in network video monitoring system to a terminal camera device, wherein the transmitted information is mainly the information for controlling the terminal camera shooting device by the client, such as tilt and zoom lens control information to terminal camera shooting device and control information of image. The adopted mode is transmitting the control information between the client and the terminal camera shooting device with an INFO expansion method of SIP protocol. Therefore, the SIP conversation between the client and the terminal camera shooting device is not affected in the process of control information transmission. Furthermore a signaling channel is adopted for transmitting, and the transmission of medium flow is not affected.

The invention relates to an organic light-emitting device and a production method thereof. The organic light-emitting device is of a layered structure and comprises an anode conducting substrate, a hole injection layer, a hole transmission layer, a light-emitting layer, an electron transmission layer, an electron injection layer and a cathode layer which are stacked in sequence; the electron injection layer comprises a first metal layer, a ternary doping layer and a second metal layer; the first metal layer is formed by low-work function metal made of materials of magnesium, strontium and calcium or ytterbium, and work function ranges from -2.0eV to -3.5eV. The first metal layer in the electron injection layer is formed by the low-work function metal which is relatively action, free electrons can move greatly, conductivity of the device can be improved, transmission speed of the electrons is increased, and the ternary doping layer is formed by a rhenium compound, a rubidium compound and a metal sulfide compound.

This flat material guiding device 100 for guiding the flat material along a conveyance path inside a higher-level device for handling the flat material has at least one guide face on an upper side arranged on an upper side of the conveyance path, at least one guide face on a lower side arranged on a lower side of the conveyance path, and two side walls which are provided with at least one guide face on the lower side therebetween. Assembly rods 171, 172 are provided on both side walls, and the device 100 can be mounted in the higher-level device for handling the flat material by these assembly rods 171, 172.

The invention discloses a high-speed rotating LED display method and system based on double-port RAM and double CPUs. The high-speed rotating LED display method comprises the steps that an upper computer converts a video or image file into an LED file, and transmits the LED file to a first processor through an Internet of Things module; the first processor stores the data packet into a Nand Flashread-write module; the first processor reads video or image data from the Nand Flash read-write module and writes the data space of the dual-port RAM unit fully; the second processor reads part of video or image data from a specified address of the dual-port RAM unit at regular intervals and transmits the data to the CPLD unit for latching; and the CPLD unit transmits the video or image data to the LED driving module. The high-speed rotating LED display method converts a video or picture file into an LED file through the upper computer, increases the data transmission and reading speed to a great extent, and realizes higher resolution by adopting two CPUs, one dual-port RAM unit and one CPLD unit.

The invention relates to a method, device and system for preventing an attack message, and belongs to the technical field of communication. The method comprises: receiving a first message sent by a first terminal, wherein a source terminal identifier carried by the first message is the identifier of the first terminal, and a destination terminal identifier carried by the first message is the identifier of a second terminal; Obtaining an identifier of a second gateway server corresponding to the second terminal, taking the identifier of the second gateway server as a target gateway server identifier, taking the identifier of the first gateway server as a source gateway server identifier, and adding the source gateway server identifier and the target gateway server identifier into the firstmessage; Sending the first message subjected to the addition processing to a second gateway server; Detecting a source terminal identifier carried in a subsequently received message after receiving atransmission refusal notification which is sent by the management server and carries the identifier of the first terminal; And when the source terminal identifier of the received second message is theidentifier of the first terminal, refusing to forward the second message. By adopting the method and the device, the influence of the attack message on the transmission of the normal message can be avoided.

The embodiment of the invention provides an array substrate, a display panel and a display device. The array substrate comprises a substrate base plate, a semiconductor layer, a grid metal layer, a source-drain metal layer and a pixel electrode layer. An active layer of a thin film transistor is arranged on the semiconductor layer, a first electrode and a second electrode of the thin film transistor are arranged on the source-drain metal layer, a grid line is arranged on the grid metal layer, and the grid line is overlapped with a channel region of the active layer of the thin film transistor;the first electrode of the thin film transistor is electrically connected to the pixel electrode, wherein the orthographic projection of the first electrode on the substrate base plate is a special-shaped pattern, and the orthographic projection of the first electrode on the substrate base plate and the orthographic projection of the grid line on the substrate base plate are not overlapped with each other. According to the embodiment of the invention, the delay of a grid drive signal transmitted on the grid line can be reduced, thereby facilitating the improvement of the display uniformity.

The invention provides a flat plate type micro loop heat pipe. The flat plate type micro loop heat pipe comprises a main plate and an upper cover plate; the upper cover plate and the main plate are packed together; the main plate comprises an evaporation chamber and a condensation chamber; a steam pipe and a liquid pipe are connected between the evaporation chamber and the condensation chamber; the evaporation chamber and the liquid pipe communicate through a capillary force channel; porous medium sheets are arranged in the evaporation chamber; and the capillary force of the porous medium sheets in different positions are gradually improved in the capillary force direction of porous medium capillary cores in the direction from the liquid pipe to the steam pipe. The capillary force of the capillary cores in different positions of the porous medium sheets is gradually improved, so that liquid can be quickly sucked to the upper part, the number of fluids at the upper part is increased; and the liquid is evaporated at the upper part to enter the steam pipe at the upper part, so that the purposes of uniform distribution of the fluids and uniform distribution of the temperature are achieved.

The invention relates to a system for carrying IP hard pipe by electric power relay service packet. A system is connected between relay protection device A and relay protection device B through an IPhard pipe communication module, the IP hard pipe communication module classifies the relay protection message according to the level of the relay protection message, exclusively occuplies resources, preferentially schedule and preferentially forward, the transmission of the relay protection message between relay protection equipment A and relay protection equipment B is not affected even when thesoft pipeline is congested, thus alleviating the problems of low equipment life and difficult to guarantee operation reliability caused by delay and jitter of the relay protection equipment to the maximum extent, and improving the operation reliability of the power relay protection service.