Abstract: A composite antenna device (10) configured for omnidirectional operation, comprising a first antenna system (100) configured for use in a first frequency band of a first frequency range (FR2), comprising multiple first antenna elements (110, 110A) arranged in a cylindrical configuration; a second antenna system (200) configured for use in a second frequency band of a second frequency range (FR1) at a frequency which is lower than the first frequency band; and a housing (11) enclosing the first and second antenna systems, wherein the first and the second antenna systems are configured for omnidirectional operation about an axis (12) of the composite antenna device.

Abstract: The present disclosure relates to the field of display technologies, and in particular to a thin film transistor and a method for manufacturing the same, an array substrate and a display device. An active layer of the thin film transistor includes at least two metal oxide semi-conductor layers, the at least two metal oxide semi-conductor layers include a channel layer and a first protection layer, and metals in the channel layer include tin, and at least one of indium, gallium and zinc. The first protection layer includes praseodymium used to absorb photo-generated electrons from at least one of the channel layer and the first protection layer which is under light irradiation and reduce a photo-generated current caused by the light irradiation.

Abstract: The present invention proposes a method for intelligent management of valve production process data, a medium, and an apparatus. Through results of grid classification of sampling points, the method constructs information entropy of grid distribution density levels as well as grid distribution density, which takes into account the circumstance that sampling points may not exist in the classification space, so as to avoid grids where sampling points do not exist from affecting the local density of the sampling points; secondly, based on the core relative distance of the sampling points in a seed grid, the method constructs a coverage density distance, which takes into account the magnitude of the local density of the sampling points in the seed grid as well as differences in the distance from sampling points that have a relatively large local density in the other seed grids.

Abstract: The prediction system for predicting an information related to a pedestrian has a tracking module that detects and tracks in real-time a pedestrian in an operating area, from sensor data; a machine-learning prediction module that performs a prediction of information at future times related to the tracked pedestrian using a machine-learning algorithm from input data including data of the tracked pedestrian transmitted by the tracking module and map data of the operating area; a pedestrian behavior assessment module that determines additional data of the tracked pedestrian representative of a real time behavior of the pedestrian, and said additional data of the tracked pedestrian is used by the machine-learning prediction module as another input data to perform the prediction.

Abstract: A diffusive gradients in thin films (DGT) test device for lake water, including: a floating ball and a plurality of water sampling units. A DGT detection device, a water quality detection device with a multi-parameter probe, and a water sampling device are disposed in each of the water sampling units. The water sampling device includes: a plurality of sampling bottles, each of the sampling bottles is provided with an inlet pipe and an exhaust pipe, each of the inlet pipes and exhaust pipes is provided with a one-way solenoid valve; a peristaltic pump, a water sample outlet of the peristaltic pump communicates with the inlet pipes of the plurality of sampling bottles via a multi-way connector; the exhaust pipes of the plurality of sampling bottles are connected to an exhaust manifold via a multi-way connector; a control device connected with the peristaltic pump and each of the one-way solenoid valves.

Abstract: Provided are a method and apparatus for controlling video playing, an electronic device and a storage medium. The solution is as follows: in response to at least one video being playing or paused on a display screen, acquiring a current face image of a user in front of the display screen; parsing the current face image by using an augmented reality-based gaze tracking method to determine a current visual focus of the user on the display screen; and controlling, according to the current visual focus, the at least one video to continue playing or be paused on the display screen.

Abstract: This application provides a display panel, a preparation method therefor, and a display apparatus. A first display region of the display panel has an OLED pixel, a second display region has a Micro LED pixel, the Micro LED pixel has a light emitting region and a light transmission region, and a camera is disposed below the second display region. After the Micro LED pixel is used in the second display region, display pixels having a same area in the first display region and the second display region can be designed, to implement display effect consistency between the first display region and the second display region. Because a size of the Micro LED pixel for light emitting is small, it can be ensured that the Micro LED pixel has a large light transmission region, so that light transmittance of the second display region can be improved.

Abstract: Disclosed is a method, performed by a transmit node, for transmitting a plurality of groups of symbol sequences comprising a first group of symbol sequences and a second group of symbol sequences. The method comprises obtaining a bit sequence for transmission. The method comprises obtaining, based on the bit sequence, M different coded versions of the bit sequence. The M is a positive integer. The method comprises obtaining the first group of symbol sequences based on modulating the M different coded versions with a first bitmap of a plurality of bitmaps of a modulation scheme. The method comprises obtaining the second group of symbol sequences based on modulating M different coded versions with a second bitmap of the plurality of bitmaps. The second bitmap and the first bitmap are different. The method comprises performing at least one transmissions of the first group of symbol sequences and of the second group of symbol sequences, to a receive node.

Abstract: The present invention proposes a method for intelligent management of valve production process data, a medium, and an apparatus. Through results of grid classification of sampling points, the method constructs information entropy of grid distribution density levels as well as grid distribution density, which takes into account the circumstance that sampling points may not exist in the classification space, so as to avoid grids where sampling points do not exist from affecting the local density of the sampling points; secondly, based on the core relative distance of the sampling points in a seed grid, the method constructs a coverage density distance, which takes into account the magnitude of the local density of the sampling points in the seed grid as well as differences in the distance from sampling points that have a relatively large local density in the other seed grids.

Abstract: A method is disclosed performed by a first wireless node, for enabling joint channel estimation in a time domain in a network. The method comprises determining a presence of a repeater node in a transmission path between the first wireless node and a second wireless node. The repeater node is enabled to relay a transmission between the first wireless node and the second wireless node. The method comprises transmitting, to the second wireless node, an indication indicating a condition associated with phase continuity and/or power consistency of the transmission between the first wireless node and the second wireless node.

Abstract: The present disclosure provides a gamma camera imaging method and a gamma camera imaging device. The method includes: selecting, from energy spectrums captured by a gamma camera on one or more radioactive materials, one or more energy ranges of each radioactive material among the one or more radioactive materials as one or more monitored energy regions of the radioactive material; performing image reconstruction on the monitored energy regions of each radioactive material among the one or more radioactive materials; performing normalization on images obtained through the image reconstruction; and performing superimposing on the normalized images to form a composite image.

Abstract: The disclosure provides a modified chitosan, a preparation method thereof, and an additive for a tile adhesive, and belongs to the technical field of building additives. In the disclosure, chitosan, an inorganic base, a dispersant having a hydroxyl group and an etherifying agent are added at one time, avoiding the tedious operation of adding inorganic alkali or etherifying agent multiple times. In addition, the etherification reaction is continuously performed under the conditions of gradual temperature increase and pressure increase.

Abstract: A method is disclosed performed by a transmitter node, for enabling reception beam selection at one or more receiver nodes. The method comprises obtaining a polarization profile, wherein the polarization profile defines a respective polarization for a sequence of probing occasions. The method comprises transmitting a pilot signal in each probing occasion of the sequence of probing occasions according to the polarization profile, in one single transmission beam. The polarization profile defines a first polarization to be used in N probing occasions and a second polarization to be used in M probing occasions in the sequence of probing occasions, where M is smaller than N and M is non-zero.

Abstract: There is provided an anti-angiogenic agent comprising: a multi-block copolymer in the form of one or more micelles, wherein the copolymer comprises a first poly (alkylene glycol) block, a second poly (alkylene glycol) block and a polyester block. There is also provided a method of preparing said anti-angiogenic agent and medical uses of said anti-angiogenic agent.

Abstract: A light-emitting substrate and a display device are disclosed, the light-emitting substrate includes: a base substrate including a light-emitting region; a plurality of first pads on a side of the base substrate and in the light-emitting region, where a material of the first pads includes Cu; and an oxidation protection layer on a side of the first pads away from the base substrate, where the plurality of first pads is used for bonding connection with a plurality of light-emitting units through the oxidation protection layer, a material of the oxidation protection layer includes CuNiX, and X includes one or any combination of Al, Sn, Pb, Au, Ag, In, Zn, Bi, Mg, Ga, V, W, Y, Zr, Mo, Nb, Pt, Co or Sb.

Abstract: A method is provided for predicting trajectories of a plurality of road users. For each road user, a set of characteristics detected by a perception system of a vehicle is determined, wherein the set of characteristics includes specific characteristics associated with a predefined class of road users. The set of characteristics is transformed to a set of input features for a prediction algorithm via a processing unit of the vehicle, wherein each set of input data comprises the same predefined number of data elements. At least one respective trajectory for each of the road users is determined by applying the prediction algorithm to the input data.

Abstract: A method is provided for predicting respective trajectories of a plurality of road users. Trajectory characteristics of the road users are determined with respect to a host vehicle via a perception system, wherein the trajectory characteristics are provided as a joint vector describing respective dynamics of each of the road users for a predefined number of time steps. The joint vector of the trajectory characteristics is encoded via an algorithm which included an attention algorithm for modelling interactions of the road users. The encoded trajectory characteristics and encoded static environment data obtained for the host vehicle are fused in order to provide fused encoded features. The fused encoded features are decoded in order to predict the respective trajectory of each of the road users for a predetermined number of future time steps.

Abstract: A circuit board includes a substrate and a stress neutral layer disposed on a side of the substrate. The stress neutral layer includes one or more first metal layers and one or more second metal layers. The one or more second metal layers and the one or more first metal layers are stacked. At least one of the one or more first metal layers is made of a material for generating a tensile stress, and at least one of the one or more second metal layers is made of a material for generating a compressive stress.

Abstract: The present disclosure provides a page display method and apparatus. The method includes: in response to a first trigger operation in a target application, acquiring a target cross-platform engine instance constructed in advance by a self-defined operation from a memory, where the first trigger operation is used to request a jump from a native page of the target application to a target cross-platform page; based on the target cross-platform engine instance, loading the target cross-platform page. In this case, there is only one cross-platform engine instance in the memory, reducing the occupation for the memory, optimizing the performance of the target application and improving the user experiences.

Abstract: The present invention belongs to the technical field of antibacterial drugs, and discloses a pyrrolylacylpiperidylamine compound and use thereof. The present invention in particular relates to a pyrrolylacylpiperidylamine compound and a pharmaceutically acceptable salt thereof, and use thereof in the preparation of a medicament for resisting infections with bacteria, mycoplasma or chlamydia.