Abstract: A self-stabilizing integrally-molded pillar filling structure for underground mines is provided, belonging to the field of supporting structures, which includes an airbag, and the airbag is provided with a feed filling port and a gas inflation port; a telescopic bearing piece, and the telescopic bearing piece is fixedly provided on an inner surface of the airbag and is capable of expanding and contracting with volume change of an inner cavity of the airbag; and steel hoops, and the steel hoops are fixedly provided on an outer surface of the airbag.

Abstract: This application provides a communication method and apparatus. Before a source terminal establishes a unicast connection to a first target terminal, the source terminal allocates a first identifier to the first target terminal based on a request of a relay terminal, where a bit length of the first identifier is less than or equal to 8 bits. The source terminal sends first data to the first target terminal, where the first identifier is configured in the first data. The relay terminal forwards the first data to the first target terminal for the source terminal based on the first identifier. In the foregoing solutions, the source terminal may send a message to a specific target terminal based on the first identifier and the bit length of the first identifier is less than or equal to 8 bits.

Abstract: Provided in the present disclosure is a control system for a heat supply apparatus of a nuclear power plant, comprising: a first-stage pressure measurement means configured for measuring a first-stage pressure of a turbine to obtain a first-stage pressure signal; a high-exhaust pressure measurement means configured for measuring an exhaust pressure of a turbine high-pressure cylinder to obtain an exhaust pressure signal; a steam extraction heating flow rate measurement means configured for measuring a steam extraction heating flow rate to obtain a steam extraction heating flow rate signal; a data acquisition module configured for acquiring and transmitting the measured first-stage pressure signal, the measured exhaust pressure signal and the measured steam extraction heating flow rate signal to a core operation processing module; the core operation processing module; and a the signal output module.

Abstract: Disclosed are a visualization grouting device for coal and rock fissures and a test method, a test device including a visualization fissure grouting box body, a box body bracket, a grouting device and a monitoring device. A bottom plate is divided into four identical areas, rubber cushion blocks with different specifications are arranged to simulate different fissure widths and tortuosity, artificial protolith thin film is pasted inside, and a grouting hole and a plurality of pressure measuring holes are arranged in the center of the upper top plate. In the present disclosure, the grouting process of fissures under different grouting conditions, such as different fissure widths, roughness, grouting resistance and tortuosity of pore channels can be simulated, the grouting under different fissure conditions can be simultaneously simulated, and the differences of different grouting diffusion forms can be clearly and intuitively analyzed and compared through the visualization box body.

Abstract: An optical system, a camera module, and an electronic device are disclosed. The optical system consists of six lenses having refractive power. The six lenses sequentially include a first and fifth lenses having positive refractive power, a second, fourth, and sixth lenses having negative refractive power. An object side surface and image side surface of the first lens, an object side surface of the third lens, an image side surface of the fourth lens, an object side surface of the fifth lens, and an object side surface of the sixth lens are convex near the optical axis. An image side surface of the second lens, an image side surface of the third lens, an object side surface of the fourth lens, and an image side surface of the sixth lens are concave near the optical axis.

Abstract: A CT energy extraction device is provided. A first accommodation cavity is provided in a first housing, and a second accommodation cavity is provided in a second housing. The first housing can be connected and joined with the second housing to form a ring shape, which is used to be placed on outside of a high-voltage line. A first iron core is disposed in the first accommodation cavity, and an energy-extraction coil is wound around the first iron core. A cable outlet is provided on the first housing, and the energy-extraction coil has pins extending from the cable outlet. A second iron core is disposed in the second accommodation cavity. When the first housing and the second housing are connected and joined, the first and second iron cores are joined to form a closed ring structure. An inflating assembly is provided on the first housing and/or the second housing.

Abstract: An apparatus for non-contact current and voltage composite measurement includes: a current signal detection device, a voltage signal detection device, a zero-crossing detection circuit, and a control unit. The current signal detection device generates a current-induced electromotive force based on current flowing on the transmission line to be measured when there is current-voltage passing through the transmission line to be measured; the voltage signal detection device generates a voltage-induced electromotive force based on voltage flowing on the transmission line to be measured when there is current-voltage passing through the transmission line to be measured. The zero-crossing detection circuit performs zero-crossing detection on the current-induced electromotive force and the voltage-induced electromotive force to determine the phase difference between them.

Abstract: This application proposes a magnetic coupling coil optimization method. The method comprises: calculating an equivalent magnetic permeability of a magnetic coupling coil based on an air gap length of the magnetic coupling coil; calculating an effective cross-sectional area of the magnetic coupling coil based on the equivalent magnetic permeability and the power of the magnetic coupling coil; calculating a number of turns of the secondary winding of the magnetic coupling coil based on the effective cross-sectional area and the equivalent magnetic permeability; optimizing the magnetic coupling coil based on the number of turns of the secondary winding. The present application can reasonably configure the parameters of the magnetic coupling coil, effectively acquire energy from the power grid to provide stable power for detection or communication equipment in the power grid, and make the magnetic coupling coil more reliable while meeting the power demand.

Abstract: The vibration damping device comprises a first vibration damping unit. The first vibration damping unit comprises protective nets, a fixing plate, a base, a guide element, a first elastic element and a limiting element. The fixing plate is arranged opposite to the base and connected to the protective nets. The guide element is located between the fixing plate and the base and opposite to the base. A movement space is formed between the guide element and the base. The base is also configured to be connected to a cab body. The first elastic element is arranged in the movement space. The limiting element has one end connected to the base and the other end working together with the fixing plate to limit the stroke of the first elastic element.

Abstract: A backlight module and a liquid crystal display device are provided. The backlight module includes a light-emitting assembly, an optical processing assembly and a support structure located between the light-emitting assembly and the optical processing assembly and connected to the light-emitting assembly. The support structure includes a base and a support member, the base being fixedly connected to the light-emitting assembly. The support member has a supporting end and a connecting end. The supporting end faces the optical processing assembly. The connecting end and the base form a backout structure configured to cause the connecting end to back out in a direction away from the optical processing assembly in a case where the supporting end is squeezed by the optical processing assembly, so that can eliminate problems caused by stress concentration of an internal support structure when a backlight module is under pressure.

Abstract: This application provides a picture processing method. The method includes: The encoder side obtains a to-be-processed picture, obtains a plurality of groups of visual sensory experience parameters, and encodes the to-be-processed picture and the plurality of groups of visual sensory experience parameters. At a decoder side, the method includes: The decoder side obtains a to-be-processed picture, obtains a zoom-in operation instruction, obtains one or more groups of visual sensory experience parameters corresponding to one or more local pictures, and separately processes the corresponding local picture based on the one or more groups of visual sensory experience parameters to obtain a processed local picture.

Abstract: A dustproof structure for a laser output window of a laser includes a discharge chamber, a gas purifier, a dust prevention pipeline, and a fan. A cavity is provided between the laser output window and a slit. The dust prevention pipeline includes a gas inlet end connected to the gas purifier, a middle part passing through the cavity, and a gas outlet end connected to the fan. At least a portion of a working gas purified by the gas purifier flows through the dust prevention pipeline to the cavity. The fan guides the working gas so as to increase a flow rate of the gas passing through the cavity, thereby strengthening the blowing of the clean gas on the laser output window and effectively preventing dust particles in the working gas from approaching and contaminating the laser output window.

Abstract: A quick electrical-connecting structure for a high-voltage high-frequency pulse environment relates to the technical field of high-voltage high-frequency electrical engineering. The quick electrical-connecting structure includes a plug, a socket, and a cable, where the cable is connected to the socket through the plug; the plug and the socket internally enclose an annular cavity surrounding the cable; and a protective fluid is filled in the annular cavity. By charging a protective fluid to the annular cavity in the plug and the socket, a high-intensity insulating fluid protective layer is maintained around a connecting position of the cable in the annular cavity. Therefore, the quick electrical-connecting structure lowers an internal humidity, and can effectively reduce corona discharge and creepage.

Abstract: Disclosed in the present invention are an excimer laser energy model identification method and apparatus. The method comprises the following steps: establishing a gated recurrent network for excimer laser energy model identification; within a plurality of preset time periods, setting energy collection conditions in a single laser pulse mode, and collecting a training data set for excimer laser energy model identification; and using the training data set to train the established gated recurrent network, and when a training termination condition is satisfied, ending the training and obtaining an excimer laser energy model. By means of the method provided by the present invention, the maximum error between a pulse energy generated by the identified excimer laser energy model and an actual pulse energy is less than 1.5%, and thus, a simulation requirement of excimer laser energy characteristic control can be met.

Abstract: A method for estimating the shape and pose of a body includes obtaining an image of the body, extracting image features, and transforming the image features to a set of parameter values describing the body's shape and pose using a transformer comprising a cascade of transformer units, wherein each transformer unit operates on a representation of a respective version of the set of parameter values and modifies the representation of the respective version of the set of parameter values by the image features weighted by an attention of the respective version of the set of parameter values to the image features in sequence with a self-attention layer modifying the representation of the respective version of the set of parameter values by components of the representation of parameter values weighted by an attention between the components of the representation of the respective version of the set of parameter values to themselves.

Abstract: A method and apparatus for depth estimation of a monocular image, and a storage medium are provided. The method includes: obtaining, through a depth estimation neural network, a global feature of a monocular image according to absolute features of preset regions and relative features among the preset regions in the monocular image; and obtaining a predicted depth map of the monocular image according to the global feature, and the absolute features of preset regions and relative features among the preset regions in the monocular image.

Abstract: A method for image processing comprises: acquiring first, second, third, and fourth optical flow maps of t-th to (t?1)-th frame images, t-th to (t+1)-th frame images, (t+1)-th to t-th frame images, and (t+1)-th to (t+2)-th frame images, respectively, wherein t is an integer; determining first and second interpolation optical flow maps according to the first and second optical flow maps, and the third and fourth optical flow maps, respectively; determining a first interpolation frame image according to the first interpolation optical flow map and the t-th frame image, and a second interpolation frame image according to the second interpolation optical flow map and the (t+1)-th frame image; and fusing the first and second interpolation frame images to obtain an interpolation frame image to be interpolated between the t-th and (t+1)-th frame images. The embodiment of the present disclosure is capable of improving the accuracy of the obtained interpolation frame image.

Abstract: A video processing method includes: a convolution parameter corresponding to a frame to be processed in a video sequence is acquired, the convolution parameter including a sampling point of a deformable convolution kernel and a weight of the sampling point; and denoising processing is performed on the frame to be processed based on the sampling point of the deformable convolution kernel and the weight of the sampling point to obtain a denoised video frame.

Abstract: A multilayer wind spring for a display support and a lifting support thereof, the multilayer wind spring is formed by winding a plurality of tightly attached elastic metal sheets, wherein each of the elastic metal sheets comprises a stretching connection portion, a movable sheet portion and an unmovable wound portion, part or all of the elastic metal sheets are provided with a semi-restricted structure which is provided to have a movement allowance in an unwinding or winding direction of the elastic metal sheets, and in an unwinding or winding process of the multilayer wind spring, the stretching connection portion of the elastic metal sheets provided with the semi-restricted structure is arranged to be slidable within a range of the movement allowance relative to a connected component.

Abstract: A multilayer wind spring for a display support and a lifting support thereof, the multilayer wind spring is formed by winding a plurality of tightly attached elastic metal sheets, wherein each of the elastic metal sheets comprises a stretching connection portion, a movable sheet portion and an unmovable wound portion, part or all of the elastic metal sheets are provided with a semi-restricted structure which is provided to have a movement allowance in an unwinding or winding direction of the elastic metal sheets, and in an unwinding or winding process of the multilayer wind spring, the stretching connection portion of the elastic metal sheets provided with the semi-restricted structure is arranged to be slidable within a range of the movement allowance relative to a connected component.