Abstract: The present disclosure discloses a method for automatically identifying south troughs by improved Laplace and relates to the technical field of meteorology. The method includes the following steps: acquiring grid data of a geopotential height field; calculating a gradient field of the geopotential height field in an x direction; searching for a turning point where a gradient value turned from being negative to being positive, and cleaning the gradient field; calculating a divergence of the x direction to obtain an improved Laplacian numerical value L?; performing 0,1 binarization processing on the L? to obtain a black-and-white image and a plurality of targets of potential troughs, merging the black-and-white image and the plurality of targets of the potential troughs by expansion, recovering original scale through erosion, and selecting an effective target through an angle of direction of a contour and an axial ratio.

Abstract: A data transmission method and apparatus applied to the wireless communications field, where the method includes receiving, by a first access point (AP), cooperation configuration information from a second AP, where the cooperation configuration information of the second AP indicates basic cooperation information of the second AP to the first AP, and triggering, by the first AP based on a quantity of spatial streams allocated through cooperation, at least one cooperation station (STA) associated with the first AP to perform uplink data transmission using a quantity of spatial streams allocated by the first AP.

Abstract: A radio physical layer protocol data unit (PPDU) sending method includes: obtaining, a radio physical layer protocol data unit (PPDU), wherein the PPDU includes a high efficiency-signal field A (HE-SIG-A) and a high efficiency-signal field B (HE-SIG-B), the HE-SIG-A includes a field indicating a quantity of orthogonal frequency division multiplexing (OFDM) symbols in the HE-SIG-B, and wherein a value of the field indicates one of the following: that the quantity of OFDM symbols included in the HE-SIG-B is greater than or equal to 16, or the quantity of OFDM symbols included in the HE-SIG-B; and sending the PPDU.

Abstract: A micro-LED display device and a manufacturing method thereof are disclosed. The method comprises: forming micro-LEDs (202) on a carrier substrate (201), wherein the carrier substrate (201) is transparent for a laser which is used in laser lifting-off; filling trenches between the micro-LEDs (202) on the carrier substrate (201) with a holding material (209); performing a laser lifting-off on selected ones of the micro-LEDs (202) to lift off them from the carrier substrate (201), wherein the selected micro-LEDs (202) are held on the carrier substrate (201) through the holding material (209); bonding the selected micro-LEDs (202) onto a receiving substrate (207) of the micro-LED display device; separating the selected micro-LEDs (202) from the carrier substrate (201) to transfer them to the receiving substrate (207).

Abstract: A micro-LED transfer method, manufacturing method and display device are provided. The micro-LED transfer method comprises: bonding the micro-LED array on a first substrate onto a receiving substrate through micro-bumps, wherein the first substrate is laser transparent; applying underfill into a gap between the first substrate and the receiving substrate; irradiating laser onto the micro-LED array from a side of the first substrate to lift-off the micro-LED array from the first substrate; and removing the underfill.

Abstract: A micro-LED transfer method, manufacturing method and display device are provided. The micro-LED transfer method comprises: bonding the micro-LED array on a first substrate onto a receiving substrate through micro-bumps, wherein the first substrate is laser transparent; applying underfill into a gap between the first substrate and the receiving substrate; irradiating laser onto the micro-LED array from a side of the first substrate to lift-off the micro-LED array from the first substrate; and removing the underfill.

Abstract: It is disclosed a micro-LED transfer method, manufacturing method and display device. The method for transferring a micro-LED array comprises: patterning conductive resist on a receiving substrate to cover electrodes for the micro-LED array to be transferred; bonding the micro-LED array on a first substrate with the receiving substrate through the conductive resist, wherein the first substrate is laser transparent; irradiating laser onto the micro-LED array from a side of the first substrate to lift-off the micro-LED array from the first substrate. According to an embodiment, the performance of a micro-LED device may be improved.

Abstract: A micro-LED display device and a manufacturing method thereof are disclosed. The method comprises: forming micro-LEDs (202) on a carrier substrate (201), wherein the carrier substrate (201) is transparent for a laser which is used in laser lifting-off; filling trenches between the micro-LEDs (202) on the carrier substrate (201) with a holding material (209); performing a laser lifting-off on selected ones of the micro-LEDs (202) to lift off them from the carrier substrate (201), wherein the selected micro-LEDs (202) are held on the carrier substrate (201) through the holding material (209); bonding the selected micro-LEDs (202) onto a receiving substrate (207) of the micro-LED display device; separating the selected micro-LEDs (202) from the carrier substrate (201) to transfer them to the receiving substrate (207).

Abstract: In a data packet processing method applied to a computing device in SDN, after receiving a data packet of a data flow, a NIC queries a flow table set according to matching information of the data packet; and if a flow table is obtained from the flow table set the NIC processes the data packet according to the flow table; or if no flow table can be obtained from the flow table set, the NIC sends the data packet to a virtual switch to obtain a flow table corresponding to the data flow, and saves the flow table into the flow table set, so that the NIC can process a subsequent data packet of the data flow.

Abstract: This application discloses a data packet processing method applied to a computing device in software-defined networking. After receiving a data packet of a data flow, a NIC in the computing device queries a flow table set according to matching information of the data packet; and if a flow table is obtained from the flow table set, the NIC processes the data packet according to the flow table; or if no flow table can be obtained from the flow table set, the NIC sends the data packet to a virtual switch, and the virtual switch obtains a flow table corresponding to the data flow, and saves the flow table into the flow table set, so that the NIC can directly process a subsequent data packet of the data flow. An operating load of the virtual switch is reduced, and operating efficiency of the computing device is improved.

Abstract: The present disclosure discloses a data packet processing method applied to a computing device in software-defined networking. After receiving a data packet of a data flow, a NIC queries a flow table set according to matching information of the data packet; and if a flow table is obtained from the flow table set the NIC processes the data packet according to the flow table; or if no flow table can be obtained from the flow table set, the NIC sends the data packet to a virtual switch to obtain a flow table corresponding to the data flow, and saves the flow table into the flow table set, so that the NIC can process a subsequent data packet of the data flow. An operating load of the virtual switch is reduced, and operating efficiency of the computing device is improved.

Abstract: This application discloses a data packet processing method applied to a computing device in software-defined networking. After receiving a data packet of a data flow, a NIC in the computing device queries a flow table set according to matching information of the data packet; and if a flow table is obtained from the flow table set, the NIC processes the data packet according to the flow table; or if no flow table can be obtained from the flow table set, the NIC sends the data packet to a virtual switch, and the virtual switch obtains a flow table corresponding to the data flow, and saves the flow table into the flow table set, so that the NIC can directly process a subsequent data packet of the data flow. An operating load of the virtual switch is reduced, and operating efficiency of the computing device is improved.

Abstract: The present disclosure discloses an unmanned aerial vehicle (UAV), comprising a housing having a top part and a bottom part, a plurality of arms arranged on the top part, each arm having a motor and an airscrew, a battery unit arranged within the housing, a processor arranged within the housing, a sonar unit having a wire connected thereto, and a positioning unit detachably mounted within a mounting groove recessed from the bottom part, wherein the positioning unit is connected to the wire and configured to retract or release the wire. An UAV readily configured for fishing can be provided by embodiments of the present disclosure.

Abstract: It discloses a lignin enhanced wood-plastic composite, belonging to the field of polymer based composites. The wood-plastic composite is composed of one or more of plant fiber, lignin, a recycled thermoplastic plastic, mineral powder and a processing aid, and is processed by a screw granulating extrusion process. Compared with the prior art, the mechanical properties, heat stability and aging resistance of a wood-plastic material are improved by adding lignin into the wood-plastic material according to the present invention.

Abstract: The present disclosure discloses a method of using an unmanned aerial vehicle (UAV) comprising a housing, a processor, a positioning unit, a sonar unit, a launching unit and a fishhook unit in fishing. The method comprises manipulating the UAV to fly to a designated destination determined by the processor according to one of a received wireless communication and a preset program, adjusting the sonar unit to a predetermined height by the positioning unit, determining a coordinate corresponding to a signal detected by the sonar unit as a fishing region when the signal is consistent with a predetermined value, launching bait to the fishing region by the launching unit, releasing a fishhook from the fishhook unit to the fishing region, and manipulating the UAV to hover or return by the processor according to one of a received wireless communication and a preset program.