Abstract: This application relates to a data processing method and apparatus, and a storage medium. The method includes: extracting a feature sequence of target data, where the feature sequence includes T input features, T is a positive integer, and t?[1, T]; obtaining T hidden state vectors based on a recurrent neural network, where a tth hidden state vector is determined based on a (t?1)th input feature, a (t?1)th hidden state vector, and a (t?1)th extended state vector, and the (t?1)th extended state vector is obtained by performing lightweight processing based on the (t?1)th hidden state vector; and obtaining a processing result of the target data based on the T hidden state vectors by using a downstream task network.

Abstract: A virtual synchronization method for an energy storage system and a radial water turbine generator set, relating to the technical field of electrical control strategy design. The method comprises: analyzing the characteristics of the set and designing an energy storage system; obtaining parameters, designing a virtual rotor model, and building a mechanical dynamics equation; designing a virtual synchronization controller and building a closed-loop control system; building a coupled simulation model and optimizing parameters; and implementing a control strategy on a testing platform to carry out and verify. The robustness and adaptability of the control system is greatly enhanced, and the modeling theory is enriched.

Abstract: This application provides an antenna. The antenna includes a primary reflector, a secondary reflector, and a feed. The primary reflector and the secondary reflector are disposed opposite to each other, the feed has a plurality of radiation ports, and electromagnetic waves emitted by the plurality of radiation ports are reflected by the secondary reflector to the primary reflector. The secondary reflector includes a plurality of curved surfaces, virtual focuses of a plurality of curved surfaces do not coincide, and the plurality of radiation ports are located in an area formed by a plurality of virtual focuses. In the antenna can take account of a plurality of radiation ports at different positions, so that electromagnetic waves generated by the radiation ports at different positions are efficiently reflected. In this way, radiation efficiency of the antenna can be effectively ensured.

Abstract: An automatic transparent soil preparation box includes an AB liquid mixing module, a refractive index measurement module and a solid particle spreading module which are arranged in a box body. The AB liquid mixing module is configured to inject A/B liquid into a model tank and stir and mix the A/B liquid; the refractive index measurement module is able to suck an AB mixture sample from the model tank and measure a refractive index of the AB mixture sample; the solid particle spreading module is configured to spread solid particles into the model tank and stir and mix the solid particles and an AB mixture. The preparation box integrates functional modules such as liquid mixing, refractive index measurement and solid particle spreading into the preparation box, the preparation process is basically fully automated, the test personnel mainly focus on a test, thereby improving the test efficiency.

Abstract: A biometric payment processing method includes: obtaining image data, the image data comprising a plurality of images of an organism that are successively acquired; detecting a target part in an image in the image data, the target part being a part to which a biometric payment function is bound in the organism; determining, in response to that the target part is detected from the plurality of images, a movement speed corresponding to the target part in the plurality of images; and performing a payment operation based on the target part in response to that the movement speed is less than a speed threshold.

Abstract: A method includes obtaining a current image for a target object, recognizing a target image region from the current image, determining an imaging size of the target object based on the target image region, obtaining a reference parameter determined according to a reference size of the target object and a reference distance between aperture and image sensor of camera, determining first distance between the target object and the camera when the current image is collected based on the reference parameter and the imaging size, obtaining second distance between the target object and the camera when historical image is collected, determining collection time difference between the current and historical images, determining movement speed of the target object based on the first and second distances, and the collection time difference, and determining, according to the current image, target image when the movement speed satisfies identity recognition image condition.

Abstract: A system and method for unsupervised superpixel-driven instance segmentation of a remote sensing image are provided. The remote sensing image is divided into one or more image patches. The one or more image patches are processed to generate one or more superpixel aggregation patches based on a graph-based aggregation model, respectively. The graph-based aggregation model is configured to learn at least one of a spatial affinity or a feature affinity of a plurality of superpixels from each image patch and aggregate the plurality of superpixels based on the at least one of the spatial affinity or the feature affinity of the plurality of superpixels. The one or more superpixel aggregation patches are combined into an instance segmentation image.

Abstract: Methods for modifying neuronal functional activity and/or treating a neurological disorder by using agents that raise neuronal intracellular concentration of magnesium are disclosed. Also provided herein are methods of determining the amenability of an individual to treatment for a neurological disorder, by measuring changes in intracellular magnesium concentration.

Abstract: Three configurations for an interhalogen cathode battery include a lithium-containing anode, a carbon cathode, two chemically distinct halogen-containing compounds (HCC-1 and HCC-2), and an electrolyte formulation with (i) an ionic salt, (ii) >1% by weight of a compound selected from imidazolidinones, N-alkylated ureas, aprotic carbonates, and/or nitriles, and (iii) one or two chemically distinct halogen-containing compounds. In a first configuration, both the carbon cathode and the electrolyte formulation include HCC-1 and HCC-2. In a second configuration, the carbon cathode includes HCC-1 and the electrolyte solution includes HCC-2. In a third configuration, HCC-1 and HCC-2 are present in the electrolyte, but not the cathode. During battery charge, HCC-1 and HCC-2 reversibly form an interhalogen compound within the cathode and during battery discharge, the interhalogen compound dissociates for continued cycling and energy storage.

Abstract: According to one aspect of the present disclosure, a method of image enhancement is provided. The method may include receiving, by at least one processor, a query for an enhanced image of a queried region obtained by a remote sensor at a queried time. The method may include obtaining, by the at least one processor, an image dataset associated with the queried region from the remote sensor. In response to the image dataset including a plurality of image data associated with the queried region obtained by the remote sensor, the method may include generating, by the at least one processor, the enhanced image of the queried region using an intra-modal regression model.

Abstract: A method for guiding palm verification performed by a computer device is disclosed. The method includes: displaying a guidance interface for palm verification, the guidance interface including graphical guidance information and the graphical guidance information comprising a movable element in a moving region, and a display location of the movable element in the moving region indicating a current distance between a palm and a detection device; dynamically adjusting the display location of the movable element in the moving region on the guidance interface in response to a change of the current distance between the palm and the detection device; and displaying first prompt information for indicating starting of verification or completion of verification when the display location of the movable element in the moving region meets a preset condition.

Abstract: This application discloses a palm image recognition method performed by a computer device. The method includes: performing palm detection on a palm image captured by a camera to generate a palm box for a palm in the palm image (304); determining location information of the palm relative to the camera based on the palm box and the palm image; and displaying a palm identifier corresponding to the palm based on the location information, the palm identifier being used for indicating the palm to move to a preset spatial location corresponding to the camera to obtain an object identifier corresponding to the palm image. A user, based on the palm identifier, moves its palm to the preset spatial location corresponding to the camera to perform palm image recognition.

Abstract: The present disclosure provides a precursor solution of an indium gallium zinc oxide film and a method of preparing an indium gallium zinc oxide thin film transistor. The precursor solution is provided with an indium salt, a gallium salt, a zinc salt, a stabilizing agent, and a solvent. The stabilizing agent is ethanolamine. Use of ethanolamine helps to promote an oxidation process of the precursor solution, and reduce an oxygen vacancy concentration in the indium gallium zinc oxide film, so as to improve negative bias of a threshold voltage of a channel layer made of the indium gallium zinc oxide film in a thin film transistor.

Abstract: A powder rotary fluidization device and a method thereof are provided. The powder rotary fluidization device includes a support device, the support device is provided with an installing plate, the installing plate is provided with a power device and a fluidization device, and the power device is in transmission connection with the fluidization device. After a position of the fluidization device on the installing plate is adjusted through the support device, the power device is started to drive the fluidization device to rotate, and meanwhile gases are introduced into the fluidization device to process powder. and therefore the problem of poor processing effect on fine powder with high viscosity is solved through the rotatable fluidization device.

Abstract: Introduced here is at least one technique to better estimate interference at a receiver. The technique includes receiving a plurality of reference signals, which each have information indicative of noise. Thus, the technique further includes, for each reference signal, determining a noise estimation and determining a distance metric and log-likelihood ratio (LLR) of the noise estimation. Once the distance metric and LLR of each reference signal is determined, the receiver can determine a final LLR based on the distance metric and LLR of each reference signal. In this manner, a final LLR is determined. This technique can be applied by any device operating on MIMO technology.

Abstract: A device suitable for forming spherical particle clusters from fine powder is a device through which spherical particle clusters having a controlled particle size and a controlled hardness can be prepared from the fine powder by using a rolling granulation principle without adding any solution or solid binder. In particular, the device includes the following components: a) a preforming device for preforming particle clusters formed from fine powder, so that the particle clusters have a certain strength and shape while conveying the particle clusters to a next step at a certain speed; b) a spheroidizing device for further strengthening the particle clusters formed by a) the preforming device, so that the particle clusters have a higher sphericity and hardness; and c) a grading device for sieving the particle clusters spheroidized by b) the spheroidizing device to obtain particle clusters of different particle size ranges.

Abstract: According to one aspect of the present disclosure, a baseband chip may be configured to receive a data stream associated with a channel. The baseband chip may be configured to select a first anchor point from the first constellation points of the first transmission layer. The baseband chip may be configured to select a first subset of constellation points from the first constellation points and the second constellation points. The baseband chip may be configured to perform a first iteration of a recursive tree search. The baseband chip may be configured to determine a first path metric based at least in part on the first iteration of the recursive tree search operation. The baseband chip may be configured to select a second anchor point from the second constellation points of the second transmission layer. The second anchor point may be associated with a second iteration of the recursive tree search.

Abstract: A powder rotary fluidization device and a method thereof are provided. The powder rotary fluidization device includes a support device, the support device is provided with an installing plate, the installing plate is provided with a power device and a fluidization device, and the power device is in transmission connection with the fluidization device. After a position of the fluidization device on the installing plate is adjusted through the support device, the power device is started to drive the fluidization device to rotate, and meanwhile gases are introduced into the fluidization device to process powder. and therefore the problem of poor processing effect on fine powder with high viscosity is solved through the rotatable fluidization device.

Abstract: Provided are a metformin inhalation powder aerosol for treating idiopathic pulmonary fibrosis and a preparation method thereof, including following steps: pretreating a metformin raw material to obtain fine powder, and passing the obtained fine powder through a screen with a mesh size of 100-1000 microns by an pendular granulator at a rotating speed of 200 revolutions per minute to obtain soft particle clusters; pre-spheronizing clusters at a vibration frequency of 100-300 hertz to obtain particle clusters, and then rolling the particle clusters on a granulating pan and spheronizing to obtain spherical particle clusters.