Abstract: The present disclosure relates to a high-speed superjunction lateral insulated gate bipolar transistor, and belongs to the technical field of semiconductor power devices. Fast turn-off can be achieved by replacing the lightly doped substrate of the existing bulk silicon superjunction lateral insulated gate bipolar transistor with heavily doped substrate, breakdown voltage of the device is ensured by reasonably setting the total number of impurities in each drift region of the over junction-sustaining voltage layer, and further application thereof in integrated circuits is realized by providing the semiconductor second substrate region and the semiconductor isolation region. A high speed superjunction laterally insulated gate bipolar transistor according to the present disclosure solves the contradiction between cost of the superjunction laterally insulated gate bipolar transistor and achievement of fast turn-off on a bulk silicon substrate.

Abstract: Aspects of the disclosure provide a method for display control. The method includes capturing, by a camera in a terminal device that is in use by a user, a first face image and a second face image of the user, extracting a first face fiducial of a characteristic point on a face of the user from the first face image and a second face fiducial of the characteristic point on the face of the user from the second face image, determining a face location offset value based on the first face fiducial and the second face fiducial, determining, based on the face location offset value, a display location offset value of content to be displayed on a display screen of the terminal device, and performing a display control of the content on the display screen according to the display location offset value.

Abstract: The present disclosure provides a multi-carrier time-division multiplexing (MC-TDMA) modulation and demodulation method and system. Before multi-carrier modulation is performed on an input symbol, an interleaving allocation and an FFT may be performed, a time domain symbol may be transformed into a frequency domain symbol signal to perform a MDFT treatment. A sending end may adopt an analyzing filter bank structure, and pre-filtering and an IFFT may be performed on a signal successively. A pre-filter may be positioned between an NM point FFT and an M point IFFT, a PAPR value of the system may be reduced using the symmetry of a coefficient of a filter, and a frequency domain symbol signal may be allocated to different sub-bands for multi-carrier modulation.

Abstract: A method for image processing, which comprises the following steps: Generating a first histogram from a first image; Calculating a first parameter profile from the first image indicative of the quality of the first image; Adjusting the first parameter profile to generate a second parameter profile; Using the second parameter profile to generate a statistical distribution via a statistical distribution generator, wherein the statistical distribution is characterized by at least three parameters; Using the statistical distribution to perform a histogram specification to the first histogram of the first image to generate a second histogram; Generating a second image based on the first image and the second histogram.

Abstract: The present disclosure provides a multi-carrier time-division multiplexing (MC-TDMA) modulation and demodulation method and system. Before multi-carrier modulation is performed on an input symbol, an interleaving allocation and an FFT may be performed, a time domain symbol may be transformed into a frequency domain symbol signal to perform a MDFT treatment. A sending end may adopt an analyzing filter bank structure, and pre-filtering and an IFFT may be performed on a signal successively. A pre-filter may be positioned between an NM point FFT and an M point IFFT, a PAPR value of the system may be reduced using the symmetry of a coefficient of a filter, and a frequency domain symbol signal may be allocated to different sub-bands for multi-carrier modulation.

Abstract: A device for vehicle hindrance and rainwater treatment including a vehicle hindrance body and a well pit. The vehicle hindrance body includes a lower sidewall, the well pit includes a top opening, and the lower sidewall encloses the top opening. The lower sidewall includes a plurality of water inlet holes. The well pit includes an upper part, a lower part, and a partition disposed between the upper part and the lower part. The partition includes a plurality of leaking holes. The upper part of the well pit includes an outer ring belt filled with a rainwater pretreatment filler, a center ring belt filled with soil, and a rainwater collection ring belt disposed between the outer ring belt and the inner ring belt. The lower part includes a water-sand separating folded plate, a water-sand discharging channel, a rainwater collecting tank, and a rainwater storage chamber.

Abstract: An electric field type time-grating linear displacement sensor based on a single row multilayer structure, including a moving ruler and a fixed ruler. The moving ruler having a row of induced electrodes and the fixed ruler having a row of excitation electrodes.

Abstract: An electric field type time-grating angular displacement sensor, including a rotor and a stator. The rotor includes m rotor electrodes. The rotor electrodes cover a circle on a surface of a rotor body with equal space. The stator includes 4m stator electrodes. The stator electrodes cover a circle on a surface of a stator body with equal space.

Abstract: A parking space navigation method is provided. The method includes obtaining and displaying a parking space distribution map of a parking lot by using a mobile terminal; querying current existing vacant parking spaces of the parking lot from a server; marking the current existing vacant parking spaces on the parking space distribution map; determining a target vacant parking space from the marked current existing vacant parking spaces; obtaining, from the server, a first position of a terminal node associated with the mobile terminal when the terminal node is placed on a vehicle; and drawing, on the parking space distribution map, a navigation route from the first position to the target vacant parking space.

Abstract: The present invention relates to a deterministic scheduling method oriented to an industrial wireless WIA-PA network, and belongs to the technical field of industrial wireless network communication. According to the deterministic scheduling method, in middle and small scale WIA-PA networks, a scheduling solution can be obtained using an optimal deterministic scheduling method based on a backtracking method by establishing a solution space tree for data stream scheduling after part or all of the solution space tree is searched, and an optimal success rate of the scheduling can be obtained; and in a large scale WIA-PA network, the time margin of each time slot is calculated for each data stream using a suboptimal deterministic scheduling method based on least slack first, the scheduling is prioritized according to the time margin, and a scheduling solution can be obtained in a short time at a higher success rate.

Abstract: The present invention claims a clock synchronization frequency offset estimation method adapted to a WIA-PA network, and belongs to the technical field of industrial wireless sensor networks. The method comprises the following steps: A. receiving a beacon frame, broadcast by a time source device, by a child node in the WIA-PA network in each time synchronization period to obtain a sending timestamp and a receiving timestamp, then adjusting a local time by taking a difference value between the two timestamps as a time adjustment quantity, repeating the process above, and after a plurality of synchronization periods, separately estimating a frequency offset with a statistical signal estimation method; and B. when anode is required to report its own time, compensating a node time with the estimated relative frequency offset.

Abstract: A method of 5G/WLAN vertical handover based on fuzzy logic control, the method including: 1) obtaining, by a mobile node, dynamic access-network information from a database of access network discovery and selection function; 2) from the obtained dynamic access-network information, sorting out and selecting an RSS, an available bandwidth, and a degree of user's preference for WLAN as performance parameters, and monitoring a real-time status of networks; 3) when the real-time status of the networks satisfies mandatory user-defined rules, executing a typical handover directly according to the user-defined rules; when the real-time status of the networks does not satisfy mandatory user-defined rules, triggering a vertical handover-decision procedure based on a fuzz logic mode; and 4) conducting adjustment and control, by the MN, by dynamically updating access-network information, changing rules and varying membership functions.

Abstract: A preparation method for silver nanowires with a uniform aspect ratio, including: dissolving at a certain temperature silver nitrate in glycerol to get a solution A; dissolving at a certain temperature polyvinylpyrrolidone (PVP) in glycerol to get a solution B; mixing uniformly the solution A and the solution B to form a solution C; then, adding a certain amount of a medium into the solution C and mixing uniformly to form a solution D, finally, transferring the solution D into a reaction kettle, putting the reaction kettle into an oven with a set temperature, and ending the reaction after a certain time of reaction. The reactants are centrifuged twice to obtain precipitated silver nanowires.

Abstract: A preparation method for silver nanowires, including: dissolving a dispersant in a tribasic alcohol to get a viscous clear solution, dissolving the silver nitrate in a tribasic alcohol to get a clear solution; then, adding the silver nitrate solution to the dispersant solution for uniform mixing, finally, transferring the mixed solution into a reaction kettle, putting into an oven with a set temperature (170˜200° C.), and ending the reaction after a period of time. The mother solution of silver nanowires is diluted with alcohol and then centrifuged to separate organics, the novel silver nanowires with a uniform aspect ratio and nodes are obtained.

Abstract: Implementations of the disclosure provide for methods, systems, and machine-readable media for image processing. In some embodiments, a method for image processing includes: generating, by a processor, a first histogram and a first parameter set for a first image; constructing, by the processor, a model representative of a second histogram of a second image based on an adjustment parameter set and the first parameter set; generating the second histogram based on the model; and generating a second image based on the first image and the second histogram. In some embodiments, the first histogram is a two-dimensional histogram.

Abstract: An abrasive belt grinding device is provided, a supporting plate passes through an inner cylinder, and is fixed to the inner cylinder, the inner cylinder is rotatably connected to an outer cylinder bracket, a winding reel and an unwinding reel are arranged side by side in a left-right direction at an upper end of the supporting plate, and are driven by respective first servo motors, one end of the abrasive belt is wound in a belt groove of the winding reel, and another end of the abrasive belt is wound over the first transition wheel, the first tension pulley, the third transition wheel, the fifth transition wheel, the seventh transition wheel, the contact wheel, the eighth transition wheel, the sixth transition wheel, the fourth transition wheel, the second tension pulley, and the second transition wheel, and is finally wound in a belt groove of the unwinding reel.

Abstract: An abrasive belt grinding center applicable to grinding and polishing of a whole profile of a blisk is provided, an X-axis feed mechanism, a Y-axis feed mechanism, a Z-axis feed mechanism, a B-axis rotation mechanism and a C-axis rotation mechanism constitute a grinding head feed mechanism, and a housing, a drum, a synchronous driven pulley, a synchronous belt, a synchronous driving pulley, and a grinding head rotation driving motor constitute a grinding head rotation mechanism. In the present application, two grinding heads are utilized to reasonably assign the machining angle and the feeding, and rough machining and fine machining can be both realized by one time of clamping, and the combination of six degrees of freedom in space is achieved by a short drive chain, and further the rigidities of a grinding head mechanism and a workpiece clamping mechanism are ensured.

Abstract: A method for decoding a (n, k, d) cyclic code is disclosed. The method includes: receiving a word corresponding to the cyclic code; constructing a look-up table, wherein the look-up table includes k syndrome vectors and k error patterns; computing a syndrome vector of the received word by a hardware processor; comparing the weight of the syndrome vector of the received word with an error-correcting capacity; decoding the received word by adding the received word and the syndrome vector if the weight of the syndrome vector of the received word is not more than the error-correcting capacity; decoding the received word by inverting bits in the message section in sequence and re-compute a syndrome vector of the inverted received word if the weight of the syndrome vector of the received word is more than the error-correcting capacity.

Abstract: A method for decoding a cyclic code is disclosed. The method includes: determining a plurality of syndromes for the cyclic code; determining, by a hardware processor, a first coefficient and a second coefficient based on the plurality of syndromes; determining, by the hardware processor, a third coefficient based on the second coefficient; and generating an error-locator polynomial based on the first coefficient, the second coefficient, and the third coefficient.

Abstract: A dynamically configurable intelligent controller of a machine tool based on DSP/FPGA and control method thereof are disclosed. The intelligent controller includes a DSP/FPGA information processing module, a data input module, an output execution module and an embedded central processing system module. The DSP/FPGA information processing module includes a hardware reconfigurable information sampling unit, a digital signal processing unit, a hardware reconfigurable algorithm unit, a hardware reconfigurable control information output execution unit and a data storage unit. The DSP/FPGA information processing module configures hardware units according to an intelligent control strategy file created based on the intelligent control needs to generate an intelligent control algorithm graph.