Abstract: A dead time estimation device capable of accurately estimating a dead time in a control system is provided. A dead time estimation device 6 includes a dead time calculation section 64 configured to obtain a dead time L{circumflex over (?)}?1 with which an evaluation function J in Equation (1) is at minimum [Equation 7] J=?|?/e?{circumflex over (L)}?1s???|df??(1) where G{circumflex over (?)}/e?L??1s is a frequency characteristic of an element from which a dead time element is removed from a transfer function of a control target P and G{circumflex over (?)}? is a transfer function not including the dead time element in the control target P.

Abstract: The technical solutions provide a method for presentation by a terminal device, and a terminal device, so as to reduce a memory burden of the terminal device, improve efficiency and an interaction capability, and facilitate use for a user. Specifically, a method for presentation by a terminal device is provided, where the method includes: when the mobile terminal is in a locked state, display, on the touch screen, the first interface, the first interface including an interface of a first application program (FAP), an interface of a second application program (SAP) and a first content determined by the mobile terminal based on a habit of using the mobile terminal by a user of the mobile terminal, the interface of the SAP occupying a second area on the touch screen, and the second area being part of the whole display area of the touch screen.

Abstract: The embodiments provide a bandwidth scheduling method and an apparatus to resolve a problem in the prior art that a transmission delay is relatively large and user experience is relatively poor when a baseband unit and a radio remote unit are networked by using a passive optical network. The method includes: allocating, by a baseband unit, radio resources used for data transmission between N first radio frequency units and a terminal to the N first radio frequency units connected to the baseband unit, where N is an integer greater than 0; and then allocating, by the baseband unit based on the radio resources of the N first radio frequency units, bandwidth resources used for data transmission between the baseband unit and the N first radio frequency units to the N first radio frequency units.

Abstract: A method includes receiving, by a user equipment (UE) from a network node, a UE specific tracking sequence and assigned transmission opportunities and transmitting, by the UE to the network node, the UE specific tracking sequence in accordance with the assigned transmission opportunities.

Abstract: The present disclosure provides a touch substrate, a method for manufacturing the touch substrate and a touch display device. The touch substrate includes a base substrate, a plurality of driving electrodes and a plurality of sensing electrodes arranged at different layers on the base substrate, and a black matrix arranged at a peripheral region of the touch substrate. Orthogonal projections of the driving electrodes onto the base substrate overlap orthogonal projections of the sensing electrodes onto the base substrate at a plurality of first overlapping regions and a plurality of second overlapping regions, an orthogonal projection of the black matrix onto the base substrate overlaps each first overlapping region and does not overlap each second overlapping region, and an effective area of the first overlapping region is smaller than an effective area of the second overlapping region.

Abstract: Disclosed herein are methods, devices, and apparatuses, including computer programs stored on computer-readable media, for generating and verifying password. One of the methods includes: receiving a password setup request, the password setup request including a list identifying at least one verifier and data representing a user-provided password; forming a basis password based on the user-provided password; generating a plurality of system-generated passwords based on the basis password; encrypting the plurality of system-generated passwords to generate a plurality of encrypted passwords including a first encrypted password; submitting the plurality of encrypted passwords to a blockchain system for recordation; and providing a first address of the first encrypted password on the blockchain system to a first verifier identified in the list.

Abstract: A wearable device, a 3D display system, and a 3D image displaying method are provided. The 3D image displaying method includes acquiring a curvature information of the 3D display device when the 3D display device is turned on; adjusting a curvature of the wearable device according to the curvature information; determining whether an adjusted curvature of the wearable device and a curvature of the 3D display device satisfy a predetermined relationship; and sending a control signal to the 3D display device to control the 3D display device to display a 3D image when the adjusted curvature of the wearable device and the curvature of the 3D display device satisfy the predetermined relationship.

Abstract: The method includes: receiving, by a first managed object device, a first transaction resource creation request that is sent by an application server and includes an identifier of a first to-be-operated resource, a first execution time, and a first to-be-executed operation; receiving, by a second managed object device, a second transaction resource creation request that is sent by the application server and includes an identifier of a second to-be-operated resource, a second execution time, and a second to-be-executed operation; successfully creating, by the first managed object device, a first transaction resource according to the first transaction resource creation request, and successfully creating, by the second managed device, a second transaction resource according to the second transaction resource creation request.

Abstract: A backlight module includes a circuit board, a light-emitting unit, a light-reflecting plate, a light guide plate, and a light-shielding sheet. The light-emitting unit is disposed on the circuit board. The light-reflecting plate is disposed above the circuit board. The light guide plate is disposed above the light-reflecting plate and includes a single-key light guide area. The single-key light guide area includes an accommodating hole and a light-blocking structure. The accommodating hole runs through the single-key light guide area and accommodates the light-emitting unit. The light-blocking structure and the light-emitting unit are arranged in a direction. The light-shielding sheet is disposed above the light guide plate.

Abstract: A method and an apparatus for identity verification, an electronic device, a computer program, and a storage medium include: obtaining a first image of a document, where the first image contains a first face image; obtaining a second image containing a face of a to-be-verified person; performing face comparison on the first image and the second image to obtain a first comparison result; and obtaining an identity verification result according to the first comparison result.

Abstract: A system for video surveillance includes an image sensor configured capture an image including a reference zone and a memory device that stores instructions. The system also includes one or more processors that are configured to execute the instructions to determine 3D coordinates of a target comprised in the image and determine 3D coordinates of the reference zone. The one or more processors are further configured to identify an event according to the 3D coordinates of the target and the 3D coordinates of the reference zone.

Abstract: A clutch includes a drive disc, a driven disc, and a friction plate unit capable of engaging or disengaging the drive disc with or from the driven disc, the friction plate unit including a first friction plate assembly and a second friction plate assembly, the clutch further including a pressing unit configured to engage or disengage the drive disc with or from the driven disc selectively by the first friction plate assembly alone or by a combination of the first friction plate assembly and the second friction plate assembly. Such an arrangement enables the clutch to select an appropriate number of friction plates as required for engagement, solving the problem that in existing multi-plate clutches, it is impossible to select an appropriate number of friction plates to participate in work to make the clutches obtain optimal performance according to different working conditions of the automobile.

Abstract: Provided are a program upgrade method, a TWS headphone, a method and system for upgrading a program of a TWS headphone. The program upgrade method, applied to a TWS headphone including a first wireless headphone and a second wireless headphone arranged in pairs, includes, establishing a wireless communication connection between the first wireless headphone and terminal, and receiving, by the first wireless headphone, a first upgrade file sent by the terminal for upgrade; and establishing a wireless communication connection between the second wireless headphone and the terminal, and receiving, by the second wireless headphone, a second upgrade file sent by the terminal for upgrade after the first wireless headphone completes upgrade.

Abstract: An integrated equipment of die-cutting and stacking, including two electrode die-cutting mechanisms, two electrode conveying mechanisms, a positive electrode feeding mechanism, a negative electrode feeding mechanism, a battery separator unwinding mechanism, and a double stacking table mechanism. The positive electrode feeding mechanism and the negative electrode feeding mechanism are respectively arranged on two sides of the double stacking table mechanism; and one electrode conveying mechanism is arranged between the electrode die-cutting mechanism and the positive electrode feeding mechanism, and another electrode conveying mechanism is arranged between the electrode die-cutting mechanism and the negative electrode feeding mechanism; the battery separator unwinding mechanism is located above the double stacking table mechanism; the double stacking table mechanism includes a rotating shaft, two rotating arms, two central rotating shafts, a first stacking table and a second stacking table.

Abstract: A control method of a camera device includes receiving audio data transmitted by an acoustic-electric device via Bluetooth communication and mixing the audio data with the video data to produce a video with audio. The audio data is recorded by the acoustic-electric device during a process of capturing video data by the camera device.

Abstract: A method and an apparatus for forwarding a packet in a Multi-Protocol Label Switching (MPLS) network are provided. Based on an example of the method, a Provider Edge (PE) device assigns a private network application identifier to a received Internet Protocol (IP) packet and sends a Multi-Protocol Label Switching (MPLS) packet that is generated based on the IP packet and carries the private network application identifier in an extension label. In this way, when receiving the MPLS packet, a Provider (P) device may identify the private network application to which the MPLS packet belongs based on the private network application identifier in the extension tag.

Abstract: Embodiments of the present application provide an image storage method and apparatus, and an electronic device and a storage medium. In the method, pixel data obtained by scanning with a first partial region of a scanning region is acquired as first pixel data, and the first pixel data is stored in a storage space; the first pixel data is corrected by using a preset correction algorithm to obtain second pixel data, and the second pixel data is stored in the storage space; if it is determined that the remaining space of the storage space meets the preset condition, the pixel data obtained by scanning with the remaining region of the scanning region is acquired as the third pixel data, and the third pixel data is stored in the storage space; wherein, the scanning mode of the remaining region is a preset second scanning mode; and the third pixel data is corrected by using the preset correction algorithm to obtain fourth pixel data, and the fourth pixel data is stored in the storage space.

Abstract: A display substrate and a method for manufacturing the same, a display panel and a display device are provided. The display substrate includes a base substrate, a display component on the base substrate, and an encapsulation layer covering the display component, where the encapsulation layer includes an organic layer and an inorganic layer that are stacked alternately. A detection capacitor is further provided in a peripheral region of the display substrate. The detection capacitor includes a first electrode plate on a side of the encapsulation layer close to the base substrate, and a second electrode plate on a side of the encapsulation layer away from the base substrate.