Abstract: A display substrate, a method for driving the same and a display device are provided. The display substrate includes a gate driving circuit, the gate driving circuit includes a plurality of shift register units, the shift register unit includes a pull-up node, a pull-down node and a pull-up control sub-circuit; the pull-up control sub-circuit includes: a first dual-gate transistor, a first gate electrode of the first dual-gate transistor and a second gate electrode of the first dual-gate transistor being respectively coupled to the pull-down node, a first electrode of the first dual-gate transistor being coupled to the pull-up node, and a second electrode of the first dual-gate transistor being coupled to a first level signal input terminal.

Abstract: This application provides a precoding matrix indicating and determining method and a communications apparatus. The method includes: generating, by a terminal device, first indication information, and sending the first indication information to a network device, where the first indication information indicates a spatial domain vector, a frequency domain vector, and a weighting coefficient that are used to construct a precoding matrix. When a value of a rank Z is greater than 2, Z transport layers include at least one first-type transport layer, and a maximum quantity M1 of frequency domain vectors reported for the first-type transport layer satisfies: M 1 = ? p 1 × N 3 R ? , wherein p1 is a preconfigured coefficient for determining the maximum quantity of frequency domain vectors reported for the first-type transport layer, 1?p1?0, R is a preconfigured value, N3 is a length of a frequency domain vector, Z>2, and R, N3, and Z are all positive integers.

Abstract: A video media playing method includes: A media server receives a call request message from originating UE, where the call request message includes first session description protocol (SDP) information of the originating UE; the media server receives a first response message returned by terminating user equipment (UE); the media server determines, based on the first response message, that the terminating UE does not support a resource reservation mechanism/procedure; the media server sends a second response message to the originating UE, where the second response message includes second SDP information used to respond to the first SDP information; and the media server performs video media negotiation with the originating UE through the resource reservation mechanism/procedure.

Abstract: A display panel and a manufacturing method of the display panel are provided. The display panel has a light emitting layer, an encapsulation layer provided on the light emitting layer, a color filter layer provided on the encapsulation layer and a light transmitting layer provided on the color filter layer, and the color filter layer has color resistors and a light shielding member located among the color resistors, and a thickness d of the color resistors and a refractive index n thereof satisfy a specific relationship.

Abstract: One example power equalizer includes an input/output assembly, a multiplexer/demultiplexer, a pre-attenuation component, and a light beam modulator. The multiplexer/demultiplexer demultiplexes a first light beam into a plurality of first sub-wavelength light beams including a particular sub-wavelength light beam, and propagates the plurality of first sub-wavelength light beams to the pre-attenuation component. The pre-attenuation component makes the particular sub-wavelength light beam incident onto the light beam modulator at a preset angle. The light beam modulator performs angular deflection on the plurality of first sub-wavelength light beams to obtain a plurality of second sub-wavelength light beams. The pre-attenuation component then propagates the plurality of second sub-wavelength light beams to the multiplexer/demultiplexer. The multiplexer/demultiplexer multiplexes the plurality of second sub-wavelength light beams into a second light beam.

Abstract: A display panel includes an array substrate, a composite functional layer, a first adhesive layer and a cover plate. The composite functional layer is located on a side of the light-emitting layer away from the base substrate. A through hole penetrating through the composite functional layer and the array substrate is formed on the array substrate and the composite functional layer. The array substrate includes a non-display area surrounding the through hole. The composite functional layer includes a first shading layer, and the orthographic projection of the first shading layer on the array substrate is located in the non-display area of the array substrate. The first adhesive layer is located on a side of the composite functional layer away from the base substrate. The cover plate is located on a side of the first adhesive layer away from the base substrate.

Abstract: A word mining method and apparatus, an electronic device and a readable storage medium are disclosed. The method includes: acquiring search data; taking first identification information, a search sentence and second identification information in the search data as nodes, and taking a relationship between the first identification information and the search sentence, a relationship between the first identification information and the second identification information and a relationship between the search sentence and the second identification information as sides to construct a behavior graph; obtaining a label vector of each search sentence in the behavior graph according to a search sentence with a preset label in the behavior graph; determining a target search sentence in the behavior graph according to the label vector; and extracting a target word from the target search sentence, and taking the target word as a word mining result of the search data.

Abstract: The invention discloses a nonlinear feedback circuit, which includes at least one diode. The invention also discloses a low noise amplifier using the nonlinear feedback circuit. In the invention, temperature compensation is performed for the gain change of the low noise amplifier based on the negative temperature characteristics of the diode, thereby achieving gain stability. In addition, the nonlinear characteristics of the diode can also provide high-order harmonics for the low-noise amplifier, and the mutual cancellation and addition of high-order harmonics can increase the OIP3 of the low noise amplifier.

Abstract: A compound closed-type metal lid for a semiconductor chip package is provided. The compound closed-type metal lid includes a cover plate, and a frame bottom board. The cover plate has a frame body, and a plurality of riveting holes. The riveting holes penetrate through the frame body and are distributed symmetrically on the frame body. The frame bottom board has a frame body, a plurality of riveting protrusions, and an opening. The riveting protrusions are distributed on an upper surface of the frame body. The cover plate is disposed on an upper surface of the frame bottom board. The riveting protrusions are correspondingly riveted in the riveting holes.

Abstract: A massage device includes a shell, a massage member and a driving member arranged in the shell and connected to the massage member in a transmission way. The shell is configured to be inserted into a human body, and a moving space is defined in the shell and extends through a lateral wall of the shell to communicate with an outside environment out of the shell. The massage member is mounted in the moving space and rotatably connected to the shell by a pivot, and includes a plurality of massage portions arranged around the pivot. When the massage member rotates about the pivot, the plurality of massage portions of the massage member rotates to the outside environment out of the space of the shell sequentially, so as to stimulate a portion of the human body around the shell.

Abstract: A zero-crossing state detection device for a converter and a converter device. The converter includes a first type of power switch electrically coupled between an input terminal and a switch node, a second type of power switch electrically coupled between the switch node and a ground terminal, and an inductor electrically coupled between the switch node and an output terminal. The zero-crossing state detection device includes: a zero-crossing state indication circuit, which is configured to generate an indication signal indicating the zero-crossing state of the inductor current flowing through the inductor, based on a voltage at the switch node after the second type of power switch is turned off and before the first type of power switch is turned on, according to first and second driving signals respectively applied to the first type of power switch and the second type of power switch.

Abstract: A feedback method and apparatus which are used to provide a feedback mechanism in a sidelink communications system, and may be applied to the internet of vehicles, for example, V2X, LTE-V, and V2V. The method includes: a first terminal device determines that a feedback condition is met, and sends feedback information to a second terminal device, where the feedback information includes at least one of channel state information and a receive response, and the receive response includes a positive acknowledgment, a negative acknowledgment, or discontinuous transmission. In this way, the feedback condition is set, so that the first terminal device sends the feedback information only when the feedback condition is met. In this way, resource overheads and information redundancy that are caused when each terminal device in a communication group sends feedback information are effectively avoided.

Abstract: A traffic monitoring method for an Open Stack tenant network, including: detecting a traffic in/out state of a first virtual machine by using a callback function; when it is detected that the virtual machine transmits first traffic to a second virtual machine in the same host, matching a first data flow corresponding to the first traffic by using target flow table entries in an integrated bridge, and transmitting a copied first data flow to a traffic monitoring platform; when it is detected that the first virtual machine transmits second traffic to a third virtual machine in a remote host, matching a second data flow corresponding to the second traffic by using the target flow table entries, and transmitting a copied second data flow to a physical bridge; and when the integrated bridge receives the third data flow, transmitting the third data flow to the traffic monitoring platform.

Abstract: In a voltage conversion circuit, a sampling signal and a triangular wave signal are synthesized into a first signal, and the first signal and a second signal are compared to output a pulse-width modulation (PWM) signal. A frequency of the PWM signal may be determined by a frequency of the triangular wave signal. Therefore, the frequency of the PWM signal is fixed using the frequency-fixed triangular wave signal. Turning on or switching off of a power transistor in a voltage conversion subcircuit is controlled according to the PWM signal to convert a received direct current input voltage into a direct current output voltage, thereby implementing a fixed operating frequency for the voltage conversion circuit.

Abstract: This application provides a zoom assembly, including a first refraction component and a first lens apparatus. The first refraction component is configured to change a transmission path of light, and the first refraction component includes a first surface, a second surface, a third surface, and a first reflection structure. The three surfaces of the first refraction component are all transmission surfaces. An optical axis of the first lens apparatus is perpendicular to the second surface of the first refraction component. The first reflection structure is attached to the third surface, and is configured to receive light transmitted by one of the transmission surfaces and reflect the light to another transmission surface.

Abstract: Systems and methods for lane detection are provided. The methods may include obtaining an image and determining, for each of a plurality of pixels in an image, a semantic category using a trained semantic segmentation network. The methods may further include determining one or more pixel sets based on the plurality of pixels according to a predetermined rule. Each of the one or more pixel sets includes one or more pixels of a same semantic category. The methods may further include, in response to a determination that there are one or more erroneous pixels in a pixel set, removing the one or more erroneous pixels from the pixel set to obtain a fitting line corresponding to a lane line. The methods may further include determining a position of the lane line based on the fitting line.

Abstract: A backlight module includes: a first optical element and a fixing frame arranged around the first optical element. The fixing frame includes a first edge frame and a second edge frame that are oppositely arranged, and a third edge frame and a fourth edge frame that are oppositely arranged. The side of each edge frame of the fixing frame facing the first optical element is provided with a plurality of adhesive tapes that are independent of each other and extend in an extension direction of the each edge frame. The first optical element is fixed to the fixing frame through the adhesive tapes.

Abstract: The present application discloses a light source device and a light string. The light source device comprises a transparent protective cover, an LED module and a refraction lens, and the transparent protective cover has an accommodating cavity with an opening at one end; the LED module is arranged in the accommodating cavity, and is used for emitting light; the refraction lens is covered above the LED module, a side of the refraction lens close to the LED module is an incident surface, and a side of the refraction lens away from the LED module is an exit surface, and the exit surface is used for refracting light passing through the exit surface. According to the application, the light emitted by the LED module is refracted by the refraction lens and diffused around, thus realizing wide-area illumination. It can achieve the maximum of 360° light emission and improve the decorative effect.

Abstract: The present disclosure provides a method and apparatus for information display, and a non-volatile computer storage medium. The method includes: displaying search prompt information in response to a trigger operation for review content corresponding to a video; and displaying a search result page in response to a selection operation for the search prompt information.