228results about How to "Nearby" patented technology

The embodiment of the invention discloses a mobile relay selection method, comprising the following steps: sending each pilot frequency signal in each main lobe direction of an antenna, wherein the pilot frequency signal sent in each main lobe direction is orthogonal to the pilot frequency signal sent in any one of other main lobe directions; receiving pilot frequency identities of all pilot frequency signals fed back by idle terminals and channel quality information corresponding to each pilot frequency signal; and selecting a corresponding idle terminal, from idle terminals corresponding toall the pilot frequency identities, to be used as a relay node in the main lobe direction indicated by each pilot frequency identity according to a preset selection strategy and the channel quality information of all the pilot frequency signals, wherein the selected idle terminal provides relay service for a target communication terminal in the main lobe direction indicated by each pilot frequency identity. Accordingly, the embodiment of the invention further discloses a base station and a mobile relay system which can improve the relay efficiency of the system.

The invention discloses a primer pair for specific amplification of EGFR gene 20 exon T790M and C797S loci. The sequence of the primer pair is shown in SEQ ID No:1-2. The invention further discloses a probe set for specific detection of the T790M and C797S loci. The probe set comprises a wild type probe and a mutant type probe, and the sequences are shown in SEQ ID No:3-7. The invention further discloses a reagent kit comprising the primer pair and the probe set, and a method for adopting the primer pair and the detection set for detecting EGFR gene 20 exon T790M and C797S mutation. By designing the specific primers and probes, the 3' end of the probes is connected with a minor groove binder and a non-fluorescent quenching group, the interference of background signals is lowered, hybridization of the probes and a template is stabilized, a Tm value of the probes is increased, and therefore the mutation detection sensitivity is improved.

The invention provides a multiline laser radar based on a plurality of lasers. The multiline laser radar comprises a rotor; a stator; a carrier provided with a plurality of laser devices and disposed within the rotor; and a light collimating device. The projection points of the laser devices on the carrier have a density distribution in the vertical direction on a vertical plane including the principal axis of the light collimating device. The light collimating device is arranged in the rotor. The multiline laser radar of the invention has advantages such as a high vertical angle resolution, a high horizontal angle resolution, a high scanning frequency, a more accurate scanning result, etc.

The invention discloses a hot-melting strip pasting machine which is characterized by comprising a working table, an adjustment assembly, a conveying device, a pressing roller device, a shearing device and a hot wind device, wherein the working table comprises a rack, a first movable portal frame, a front-rear walking mechanism, a left-right walking mechanism and a second installation hanging bracket; the first movable portal frame is disposed on the rack by the front-rear walking mechanism and can be moved back and forth; the second installation hanging bracket is disposed on the first movable portal frame by the left-right walking mechanism and can be moved horizontally; the conveying device, the pressing roller device and the hot wind device are disposed on the second installation hanging bracket of the working table in a rotatable manner by the adjustment assembly; the conveying device is used to install corresponding hot-melting adhesive films and recycle corresponding release paper; the pressing roller device is used to press and paste the hot-melting adhesive films on corresponding fabrics; the shear device is disposed on the pressing roller device and used to cut off the hot-melting adhesive films; and the hot wind device is used to heat the holt-melting films.

The invention provides a mid-set VVT engine oil control valve comprising a one-way valve, a valve body and a valve element. The oil inlet end of the valve body is provided with a thread connecting part; the one-way valve is installed in an inner cavity of the valve body; the mid-set VVT engine oil control valve also comprises a valve sleeve, a valve seat, a rolling ball body and a spring; one end of the valve sleeve is provided with a rolling ball body installing hole and the other end is provided with a valve element installing hole, a first oil hole, a second oil hole and a third oil hole; the valve seat is provided with a through hole communicated with an oil inlet of the valve body; the rolling ball body is installed between the rolling ball body installing hole and the valve seat through hole; an oil inlet channel is formed between the valve seat through hole and the third oil hole; the spring is arranged between the valve sleeve and the rolling wall body; a resetting spring is arranged between the valve element and the valve sleeve. With the mid-set VVT engine oil control valve, the response speed and the control stability of an engine variable cam timing system are greatly improved; an engine cylinder cover installing hole and corresponding oil channels are not needed, so that the engine cylinder cover structure is simplified and the manufacture cost of engines is reduced.

The present invention relates to equipment for supporting branches of fruit trees. The present invention is a supporting equipment for protection of fruit trees in harvest seasons consisting of: the lower section fixable to the ground, the main supporting post extended from the lower prop, The length-adjusting system located at the upper part of the main supporting post which includes a movable ring-type equipment, and the branch holders connected to the upper section. The present invention enables length adjusting according to various tree lengths, and the ring equipment is designed larger than the tree trunk successfully preventing the branches from bending when tied the ring with ropes. The distances between branches are minimized making them tougher against rain and winds. The ring equipments and the holders can be easily removed and attached to different trees when needed, and adjusting the height of the holders can enable air ventilation and control sun light upgrading the productivity and quality of the harvested fruits, maximizing the profit.

The invention relates to a micro-expression recognition method based on macro-expression knowledge transfer, comprising the following steps: (1) partitioning the expression and the micro-expression; (2) performing feature extraction of facial expression and microexpression, performing LBP feature extraction and optical flow feature extraction; (3) constructing a micro-expression recognition modelof macro-expression knowledge transfer, that is, mapping a specific class of expression and micro-expression learning, and projecting the expression and micro-expression onto multiple common discriminant subspaces; (4) classifying and recognizing the microexpression by a nearest neighbor classifier based on Euclidean distance. On the one hand, multi-feature learning can combine the characteristicsof different features to achieve the best recognition results. On the other hand, multi-task learning is to take the feature points as the center to reduce the influence of other irrelevant regions of the face on the experimental results. Feature points here mainly refer to the key points related to facial expression and micro-expression recognition.

The invention discloses a livestock and fowl slaughtering and fine processing production technology and operation method, which consists of establishing a movable temperature controlled slaughtering and deep-processing factory, employing two stage method of super rapid very low temperature and low-temperature cooling, acid dispelling technology and vacuum packaging process. The method provided by the invention requires no large-scale refrigerating room, and can effectively prevent the occurrence and dissemination of the epidemic situations.

Distributed oceanic earthquake prospecting towrope, it relates to towrope using in geophysical prospecting, especially relates to a towed oceanic earthquake prospecting towrope. It comprise a protecting jacket and cables equipped in it, and sensors and data bags which placed in the protecting jacket, and also soft solid packing full filled between the protecting jacket and the cables, sensors, data bags. The distributed oceanic earthquake-prospecting towrope in the invention is floating supported by the soft solid packing, which is filled in the towrope. It is a solid oceanic earthquake-prospecting towrope; the use of continuous protective covering streamlined the towrope apparatus.

The invention discloses a miniature wing surface electric heating deicing system icing wind tunnel test device. A miniature wing sample, fastening nuts and self-locking pads are cooperatively arranged between the two side walls of an icing wind tunnel through a connecting rod and a hollow connecting rod, a rocking arm, a Z-shaped pointer, and a handle are arranged at the outer side of the icing wind tunnel at the side of the connecting rod, a corner scale is marked on the outer wall surface of the side wall of the icing wind tunnel, and the upwind angle of the miniature wing sample can be conveniently adjusted at the beginning of the test and in the process of the test according to the test requirement. The connecting rod and the hollow connecting rod are provided with the fastening nuts, the relative position of the miniature wing sample in the icing wind tunnel can be adjusted through the fastening nuts, the self-locking pads are arranged on the connecting rod and between the fastening nuts and the side walls of the icing winding tunnel, and the relative position of the miniature wing sample can be fixed after the nuts are fastened. The connection manners of the components can guarantee the axis of the rocking arm and the indicating section of the Z-shaped pointer to be parallel to the string of the miniature wing sample, so that the indicating angle of the Z-shaped pointer, namely, the upwind angle of the miniature wing sample can be guaranteed, and the accuracy of the angle readings can be guaranteed.

The invention provides a blast-injecting forced-advancing full pre-mixing energy-saving combustor which comprises a main cavity, a blast pipe, a fuel gas pipe, a nozzle, a fire distributor and a firing needle, wherein the blast pipe and the fuel gas pipe are connected with the main cavity; the nozzle is connected with the fuel gas pipe; and the fire distributor and the firing needle are arranged at the top of the main cavity. The blast-injecting forced-advancing full pre-mixing energy-saving combustor is characterized in that a screen, a flow fixer and a gas flow mixer are sequentially arranged between the fire distributor and the nozzle in the main cavity; the caliber of the gas outlet end of the flow fixer is smaller than the caliber of a gas inlet end of the flow fixer; the flow mixer is a cylinder of which the diameter corresponds to the internal diameter of the main cavity; and a plurality of gas mixing holes are arranged vertically along the cylinder and the calibers of all gas outlet ends of the gas mixing holes are smaller than the calibers of all gas inlet ends of the gas mixing holes. By adopting the structure, the effects of the high efficiency, the energy conservation and the environment protection are achieved.

The invention relates to the field of optical technology, and provides a focusing device and a focusing method. The focusing device comprises a calibration component, a relay lens component, a focusing component and an image processing component. A calibration assembly for generating light having a calibration pattern; The relay lens assembly is arranged between the calibration assembly and the optical fingerprint module, and the calibration assembly is arranged on the object plane of the relay lens assembly, and the image plane of the relay lens assembly coincides with the object plane of theoptical lens in the optical fingerprint module. The focusing assembly is connected with the optical lens for focusing the optical lens; The image processing module is connected with the optical fingerprint module for analyzing the image of the optical fingerprint module. With the addition of relay lens assembly, the distance between the calibration assembly and the optical lens is greatly increased, and the focusing assembly can precisely focus the position of the optical lens, so that the image can be clearly imaged on the image sensor, and the imaging effect of the optical fingerprint module is effectively improved.

The invention provides a news client evaluation system and method based on a mobile phone. The system comprises a recognition module, a voice collection module, a voice preprocessing module, a voice characteristic extraction module, a voice recognition module, a feedback module, an evaluation module and a storage module. The storage module comprises a standard statement data base. The recognition module, the voice collection module, the voice preprocessing module, the voice characteristic extraction module, the voice recognition module, the feedback module and the evaluation module are connected with the standard statement data base. The method includes (1) entering a webpage to be evaluated; (2) evaluating the webpage; (3) finishing evaluation. By means of the system and method, normal character evaluation can be conducted, voice evaluation can be achieved, interaction is conducted more comprehensively, evaluation is objective, feedback is accurate and objective, the distance between people is smaller, and communication is more convenient.

The invention provides an omnidirectional dual circularly polarized antenna with same-side feeding. The antenna comprises a radiation structure, a similar coaxial impedance matching structure, and a radio frequency excitation conversion T-shaped connecting structure, the similar coaxial impedance matching structure is divided into an upper similar coaxial impedance matching structure and a lower similar coaxial impedance matching structure, the upper end and the lower end of the radiation structure are respectively connected with the lower end of the upper similar coaxial impedance matching structure and the upper end of the lower similar coaxial impedance matching structure, the upper end of the upper similar coaxial impedance matching structure is sealed by a metal disc plate, the lower end of the lower similar coaxial impedance matching structure is connected with the radio frequency excitation conversion T-shaped connecting structure, and an interface of the radio frequency excitation conversion T-shaped connecting structure can directly perform radio frequency excitation by employing an SMA joint feed line. According to the antenna, the omnidirectional performance and the axial ratio performance are good, a certain working bandwidth of -10dB bandwidth 600M (5.2GHz-5.8GHz) is achieved, and in-band gain is greater than 5.2dB and can reach 6.7dB to the maximum.

The invention discloses a convolutional neural network emotion image classification method combining emotion category attention loss, and relates to the technical field of intelligent media calculation and computer vision. The method comprises the following steps: firstly, performing category weight calculation on a training sample to obtain an emotion category attention weight vector; secondly, modifying a final classification layer and a loss function of the convolutional neural network according to the emotion category number and the emotion category attention loss; then preprocessing the training sample and then transmitting the preprocessed training sample into a network, so that the network achieves convergence after iterative updating of parameters by a loss function and an optimizer, and training is completed; and finally, sending the preprocessed test image into a network, and calculating the emotion image classification accuracy of the obtained model and the prediction category of the model for the test emotion image. According to the convolutional neural network emotion image classification method, when sentiment classification is carried out on the sentiment image through the convolutional neural network, a classification result more conforming to data set sample distribution characteristics can be obtained in a self-adaptive mode, and training and using of a sentiment classification algorithm in different actual application scenes are facilitated.

The invention discloses a wiring method of a memory device, comprising the steps of communicating signal wires in a same data array between a memory controller and the memory device; performing wiring from a plurality of wiring layers of a printed-circuit board; computing delay of all wiring sections of all signal wires respectively; computing total delay TSUM of all signal wires in the same data array; and controlling absolute value of difference value of the total delay of all signal wires to be in the limit range by regulating surface wire length or inner wire length of each signal wire. The wiring method of the memory device has the advantages that in the printed-circuit board, the wiring method is not limited by the fact that the signal wires in the same data array must be wired in the same layer. According to the wiring method, the design efficiency of the printed-circuit board can be improved, and the distance between the memory control chip and the memory device is closer or the lamination number of the printed-circuit board is reduced, so that the manufacturing cost of the printed-circuit board is lowered.

The invention discloses a multifunctional cutting and sucking knife for an endoscope. The multifunctional cutting and sucking knife combines an aspirator and an electrotome into a whole. When the surface of a wound has a bleeding phenomenon, the surface of the wound can be rinsed and sucked in time, tool replacement is not needed, therefore, operation time is saved, and the amount of bleeding is reduced. The multifunctional cutting and sucking knife comprises the electrotome and a suction pipeline, wherein the front end of the suction pipeline is provided with an opening in a beveling mode. One end of the electrotome extends from the opening by 2-3mm. The other of the electrotome is connected to a power supply through an electrode wire. The width of the electrotome is equal to the inner diameter of the suction pipeline. The rear end of the suction pipeline is provided with a suction opening and a water inlet. The suction opening is connected with a suction device, and the water inlet is connected with a rinsing device. The suction device is controlled by a suction button on the suction pipeline, and the rinsing device is controlled by a rinsing button on the suction pipeline. All mist generated by the electrotome falls in a suction region of the suction pipeline.

The invention discloses a split screen mobile phone assembly and a method for split screen display. The split screen mobile phone assembly comprises the same type of mobile phone bodies, and the four corners of the back of each mobile phone body are respectively and fixedly provided with a strong magnet, and first connecting parts are detachably arranged in the middles of the backs of the two mobile phone bodies. The side faces, not on the same side, of the two mobile phone bodies are respectively provided with two strong magnets. Second connecting parts are detachably arranged in the middles of the side faces. A mobile phone is used independently or used in a double-screen mode through the first connecting parts and the second connecting parts. The functions of free detachment and switching using are achieved.

The invention discloses an excavator remote control system and an excavator. The excavator remote control system comprises a vehicle-mounted system, a ground surface system and a remote operation system. The vehicle-mounted system is arranged on the excavator and comprises a first video acquisition assembly, a vehicle-mounted execution assembly, a data concentrator and a first wireless base station; the earth surface system is configured in an operation area of the excavator and comprises a first 5G communication assembly and a second wireless base station, the first 5G communication assemblyis electrically connected with the second wireless base station, and the second wireless base station is in communication connection with the first wireless base station based on a local area network;the remote operation system comprises a second 5G communication assembly, a first router, a first switch, a first video processing assembly and an operation control assembly. Remote control over theexcavator is achieved, good transmission of video information and control instructions is guaranteed, and good communication of the excavator in operation environments such as underground, undergroundand mine caves is guaranteed.

The invention relates to a washing device of a power station indirect air cooler. The washing device comprises a truss, a walking mechanism, a washing frame, a traction mechanism and a washing mechanism. The walking mechanism comprises a walking motor and a lower walking wheel, and the washing frame is horizontally limited on the truss through a washing frame guiding wheel. The washing device is characterized in that the washing mechanism is arranged on the left side and / or the right side of the washing frame, the washing mechanism comprises a plurality of guiding rods, a plurality of washing pipe bundles and a washing pipe bundle driving motor, the washing pipe bundles with spraying nozzles are fixed on the guiding rods, the washing pipe bundle driving motor is arranged on the washing frame, a gear is arranged at the output end of the washing pipe bundle driving motor, and a rack meshed with the gear is arranged on the guiding rods. The problems that an existing washing device of the power station indirect air cooler is high in washing cost, poor in washing effect, prone to being clamped in the operation process and the like are solved. The washing device is ingenious in structural design and has the advantages of being simple and reasonable in structure, high in comprehensive efficiency, safe and stable in operation process, good in washing effect, low in water consumption amount, convenient to maintain and the like.

The invention discloses a chemical mechanical grinding device. The device comprises a polishing head and a polishing liquid output device which are arranged at a certain interval in the horizontal direction; the polishing liquid output device is arc; the arc is matched with a part of outer circumference shape of the polishing head; and at least two polishing liquid output heads are uniformly distributed on the polishing liquid output device along the arc direction. Meanwhile, the invention also discloses a chemical mechanical polishing method; and by the device and the method, the chemical mechanical polishing accuracy can be improved.

The invention discloses a rapid and long-depth of field test system for barcodes. The test comprises a rack, a study-read device grab pallet and a rotary table, wherein a guiderail is arranged on the rack; the study-read device grab pallet is vertically fixed on the guiderail and is in sliding matching with the guiderail; at least one study-read device is detachably fixed on the study-read device grab pallet; the study-read device is connected with an upper computer; the rotary table is vertically fixed at the tail end of the guiderail and is driven by a servo motor to rotate; at least one barcode is arranged on the front of the rotary table; and the study-read device aims at one barcode on the front of the rotary table. Through the test system disclosed by the invention, the movement adaptations of study-read products at different speeds can be quantitatively tested, so that basis is provided to the study-read performance of barcode study-read equipment.

The invention provides a fan multi-fault diagnosis method based on a deep metric network difficult for sample mining, and relates to the technical field of wind turbine fault diagnosis. The method comprises the following steps: firstly, constructing a difficult sample data set for z different types of SCADA data of a wind turbine; subjecting the constructed difficult sample data set to imaging processing, optimizing various SCADA data variables so that arrangement of the data variables is made to be continuous in time and space, finally acquiring optimized training samples, and creating a depth measurement network model based on an improved triple training sample set loss function; and finally, taking a feature vector obtained by mapping the triple sample through a depth measurement network as a training set and inputting the training set into an SVM model to carry out wind turbine fault diagnosis. Sample generation is carried out on the basis of a triple model so that a method for diagnosing multiple faults by using a single model is provided, and an improved triple loss function training model is used, so that the accuracy of multi-fault diagnosis is improved.

The invention discloses a camera structure and a terminal. The camera structure comprises a first camera; a transmission mechanism which is connected with the first camera; a second camera which is arranged below the first camera; a flexible circuit board FPC which is arranged between the first camera and the second camera and is connected with the side edge, close to the transmission mechanism, of the first camera. The transmission mechanism drives the first camera to extend out of the terminal or drives the first camera to contract into the terminal. According to the embodiment of the invention, the first camera and the second camera are arranged in parallel, so that the use area of the PCB can be increased; By connecting the FPC with the side edge of the first camera, the side outgoingline of the FPC is realized, so that the distance between the first camera and the second camera is closer, the internal space of the terminal is saved, the length of the convex hull of the camera canbe reduced, and the appearance expressive force of a product is improved.

The invention discloses an anti-explosion lamp, which comprises an electric appliance shell and a body. An electric appliance component is arranged in the electric appliance shell. The anti-explosion lamp further comprises a pipeline provided with a light source electric wire. One end of the pipeline is communicated with the electric appliance shell and the other end thereof is provided with a bottom outer shell. One side of the bottom outer shell away from the pipeline is provided with a light source board, a lamp arranged on the light source board and a double layer protective cover capableof enclosing the light source board and the lamp. The electric appliance component is connected with the light source board through the light source electric wire. The external diameter of the pipeline is small than the external diameter of the electric appliance shell. One side of the bottom outer shell corresponding to the light source board is provided with more than one heat dissipating vane exposed to outside air. The area of the heat dissipating vane of the anti-explosion lamp is increased, the heat dissipating vane is exposed to the outside air directly and the heat dissipating performance is further enhanced.

The invention relates to a tire spreading mechanism for an X-ray tire inspection machine. The main body of the tire spreading mechanism is two groups of symmetrical gear worm driving parts with coaxial driving, and the two groups of symmetrical gear worm driving parts are a gear worm driving pair, with the mutually opposite spiral directions of the worms; two worm wheels are symmetrically meshed on the two sides of the worm section of each group of gear worm driving part, a tire spreading arm provided with a tire spreading shaft is fixed with the worm wheels to form a tire spreading part, and each tire spreading part is arranged symmetrically on the two sides of the central line of the worms. The technical proposal solves the technical problems of complex structure, poor control performance and low control stationarity in the prior art, and has the advantages of simplified structure, steady and accurate control and operation.

The invention provides a control method of a household appliance, a control device of the household appliance and a mobile terminal. The control method includes: detecting whether the mobile terminal is in a standby state or not; if so, judging whether the two preset buttons of the mobile terminal are pressed at the same time; if so, starting and entering a household appliance operation state switching mode; controlling and switching the operation states of the household appliance under the household appliance operation state switching mode. By the arrangement, the household appliance operation state switching procedures can be simplified effectively, switching efficiency can be increased, and accordingly user experience and operation fun can be increased.

The invention discloses a vehicle-searching system and belongs to the field of wireless communication. The system comprises a vehicle-mounted positioning device, a moveable receiving device and a terminal device, wherein the vehicle-mounted positioning device comprises a radio frequency communication unit I, a satellite positioning unit, a control unit and a power supply unit; the moveable receiving device comprises a radio frequency communication unit II and a transmission unit I; the terminal device comprises a display unit and a transmission unit II; the satellite positioning unit is used for acquiring position information of the vehicle; the radio frequency communication unit I is used for sending the position information of the vehicle to a space; the radio frequency communication unit II is used for receiving the position information of the vehicle; the transmission unit I is connected with the transmission unit II so as to transmit the position information of the vehicle to the terminal device; the position information of the vehicle is displayed by the display unit. The vehicle-searching system can solve the problem of poor vehicle-searching user experience caused by ultra-short Bluetooth transmission information distance and serious signal attenuation of the present vehicle-searching device.