Abstract: Embodiments of the present application disclose a compression method and device of a panoramic video. The method comprises: for a target panoramic video, generating each frame picture of the target panoramic picture; for each frame picture respectively, compressing the frame picture; dividing the compressed frame picture; mosaicking the pictures obtained through the dividing; generating a new panoramic video according to all the pictures obtained through the mosaicking. With the embodiments of the present application, waste of network bandwidth can be reduced.

Abstract: Methods, systems, and computer-readable storage mediums for correcting time in a nuclear magnetic resonance device are provided. In one aspect, a method includes obtaining respective transmission time delays of three gradient pulse signals that are generated by a three-dimensional gradient subsystem of the nuclear magnetic resonance device and include a slice-selection gradient signal, a phase-encoding gradient signal, and a frequency-encoding gradient signal, determining a time correction value according to the obtained respective transmission time delays of the three gradient pulse signals, and correcting a respective output time of each of the three gradient pulse signals, an output time of a radio-frequency (RF) pulse signal generated by a RF transmitting subsystem of the nuclear magnetic resonance device, and a reception time of a magnetic resonance signal received by a RF receiving subsystem in a scanning cycle according to the determined time correction value.

Abstract: The fuel tank cap with charcoal canister includes a fuel tank inner cap and a fuel tank outer cap. A filling chamber is disposed in the fuel tank inner cap. The fuel tank outer cap wraps up the upper port of the filling chamber. The fuel tank inner cap has a volume chamber having an upper vent cap. Between the side wall of the upper vent cap and the inner wall of the volume chamber, there is an air gap. The filling chamber has a lower breathing panel. Between the lower breathing panel and the bottom of the filling chamber, there is a welding ring. The upper port is on the inner side of the welding ring. The lower surface of the lower breathing panel is fixed and connected with the filling chamber via the welding ring. The bottom surface of the volume chamber has an air inlet/outlet.

Abstract: A method for processing forged TCP packets is provided. The method utilizes a window size field in a header of a to-be-processed TCP packet and a window scaling factor to calculate a receive window value of the TCP packet for comparison with an actual receive window value. Further, based on a degree of deviation between the comparison result and a threshold, whether the to-be-processed TCP packet is forged is determined, such that the probability of finding and discarding the forged TCP packet is improved.

Abstract: A control circuit having extended hold-up time is coupled to a bus path of a conversion circuit. The control circuit includes a bypass circuit, an energy storage capacitor, and an auxiliary power circuit. The auxiliary power circuit supplies an energy storage voltage to the energy storage capacitor according to a working voltage provided by the conversion circuit. When a bus voltage of the bus path is less than or equal to the energy storage voltage, the energy storage voltage is supplied to the bus path through the bypass circuit so that the bus voltage is greater than or equal to a predetermined voltage within a hold-up time.

Abstract: A wireless communication method is provided, including: determining a scheduled first time-frequency resource, where the first time-frequency resource is scheduled for a transmit end to send first data, and a re-allocated time-frequency resource in the first time-frequency resource is scheduled to send second data; sending, by the transmit end, the second data on the re-allocated time-frequency resource, and sending a part of the first data on a remaining first time-frequency resource other than the re-allocated time-frequency resource; and sending, by the transmit end, a remaining part of the first data that is not sent due to occupation by the second data, by using a supplementary-transmission time-frequency resource that is determined based on the re-allocated time-frequency resource and that is in a second time-frequency resource.

Abstract: Disclosed is an air source system for supplying air to a turbine engine by fracturing manifold equipment, including an air supply device, an air delivery manifold, a filtering device, a gas detecting system and a connecting device, the air delivery manifold, the filtering device and the gas detecting system are integrated on the fracturing manifold equipment, the air supply device is connected to the air delivery manifold through the filtering device, and the air delivery manifold supplies air to the turbine engine through the connecting device. Beneficial effects: avoiding the hidden danger of the high pressure region, saving the floor space, avoiding the wiring of on-site delivery manifold, enhancing the connection efficiency, and reducing the difficulty of wellsite installation.

Abstract: Disclosed are a backlight drive circuit, a backlight driving method, and a display device. The backlight drive circuit according to some embodiments of the disclosure includes: a plurality of LED strips configured to be powered in a time-division mode; a discharging circuit connected with anodes of the plurality of LED strips; and a first switch element connected with cathodes of the plurality of LED strips, wherein the first switch element has a first terminal connected with the cathodes of the plurality of LED strips, and a second terminal grounded, and the first switch element is configured to be turned on when any one of the plurality of LED strips is powered on.

Abstract: A portable device receives an account information request signal from a merchant machine. The portable device transmits a response message to the merchant machine. The response message comprises the account information for a purchase. The portable device transmits a first message to an account server. The first message comprises a request to get information comprising the purchase amount. The portable device receives a second message comprising the information from the account server. The portable device sends the purchase amount to a display.

Abstract: A watchband connecting piece including a body and a sliding button. A sliding slot and a buckling slot are disposed on the body, where elastic positioning pieces are disposed on the sliding button, and the elastic positioning pieces elastically protrude from a surface of the sliding button. The sliding button extends from the opening and is clamped with the buckling slot to form locking space, and the elastic positioning pieces are limited to a first position of a slot bottom wall of the sliding slot. The sliding button is unlocked from the buckling slot, and the elastic positioning pieces are limited to a second position of the slot bottom wall of the sliding slot.

Abstract: The present disclosure relates to a field stage lighting, in particular to an LED projection lamp. The LED projection lamp includes an optical lens cover, a first aluminum substrate, a second aluminum substrate, and a first housing. A first glass lens bracket, a glass lens, and a second glass lens bracket are respectively arranged on an upper end of the first aluminum substrate. A water ripple sheet is arranged on a lower end of the first aluminum substrate. Condensing lens is arranged on an upper end of the second aluminum substrate. A motor is arranged on a lower end of the second aluminum substrate. A second housing is arranged on a lower end of the first housing.

Abstract: An encapsulation method of an organic light emitting diode (OLED) device is provided. The encapsulation method includes steps of a substrate formed with the OLED device; forming at least an encapsulation film on a surface of the OLED device; and bonding a pre-formed barrier layer to an edge region of the encapsulation film. By bonding the pre-formed barrier layer to the edge region of the encapsulation film, the disclosure can achieve effects of improving an ability of moisture and oxygen resistance of the edge region of the OLED device, thereby improving reliability of encapsulation of the OLED device and prolonging lifetime of the OLED device.

Abstract: The present application discloses a method and device for exhibition process of network data. The method comprises: acquiring codes of a data list frame of a corresponding page and index identifiers of various pieces of data, after receiving a page exhibition request for network data; exhibiting the data list frame on a current page according to the codes of the data list frame; sending respectively query requests to a background data unit in an asynchronous mode, according to the index identifiers of the various pieces of data, in order to query respectively detailed data corresponding to each of the index identifiers, and exhibiting respectively the queried detailed data in positions of a data list corresponding to the index identifiers. By means of the present invention, hardware cost can be reduced, and the data response speed is improved.

Abstract: A power converter device includes a first phase-shift full-bridge circuit, a second phase-shift full-bridge circuit, a detector circuit, and a control circuit. The control circuit controls the first phase-shift full bridge circuit and the second phase-shift full bridge circuit. The control circuit disables the second phase-shift full-bridge circuit when the output current is less than a first predetermined value. The control circuit enables the second phase-shift full-bridge circuit when the output current is equal to or greater than the first predetermined value. The control circuit controls a synchronous switching circuit of the second phase-shift full-bridge circuit to operate in a traditional control mode when the output current is equal to or greater than a second predetermined value and a duty cycle of a phase-shift switching circuit is equal to or greater than a third predetermined value. The second predetermined value is greater than the first predetermined value.

Abstract: An uplink information sending method and apparatus is provided. The method includes obtaining, by user equipment, downlink control information DCI and downlink data, the DCI carries a portion of uplink scheduling information of the user equipment, the uplink information is used to indicate whether the user equipment receives the downlink data correctly, the portion of the uplink scheduling information is specifically indication information excluding a specific parameter of the user equipment, and the specific parameter includes at least one of an uplink modulation and coding scheme MCS or information used to indicate duration for sending the uplink information. The method also includes sending, by the user equipment, the uplink information according to the portion of the uplink scheduling information and the specific parameter, where the specific parameter is a parameter preset in the user equipment or a parameter received by the user equipment from a system message.

Abstract: A gimbal platform includes a roll axis and a translation axis assembly in pivot connection with the roll axis assembly and configured to drive the roll axis assembly to rotate. The translation axis assembly includes a supporting arm including a penetration hole, a connecting plate at least partially accommodated in the penetration hole, and a center-of-gravity adjusting device connected between the supporting arm and the connecting plate and configured to adjust a center of gravity of the translation axis assembly by adjusting a position of the supporting arm on the connecting plate. The center-of-gravity adjusting device includes a lead screw and a moving member rotatably and movably arranged on the lead screw. The moving member is received in the penetration hole and fixedly connected to the supporting arm, includes a threaded hole in a threaded connection with the lead screw, and accommodates a portion of the connecting plate.

Abstract: A touch display module, a display device and a transparent optical adhesive layer structure, the touch display module comprising: a substrate; a touch film, the touch film provided with an electrical connection portion; a polarizer comprising a concave edge and a first edge, wherein extension lines of the concave edge and the first edge enclose to form a slotted area, a projection of the slotted area at least partially overlapping a projection of the electrical connection portion; a flexible circuit board, a connector of the flexible circuit board overlapping at a side of the polarizer; an adhesive layer comprising a first protrusion portion beyond an edge of the polarizer, and the first projection portion covering at least a partial region of the connector.