Abstract: In the present disclosure a signal modulation method, a communication device, and a computer-readable non-transitory storage medium are provided. The method may include: modulating M+2 bits of information according to a first constellation diagram model, or modulating M+3 bits of information according to a second constellation diagram model, to obtain modulation symbols, where the first constellation diagram model comprises 4*N constellation points, the second constellation diagram model comprise 8*N constellation points.

Abstract: Provided is a data transmission method and device, and a storage medium. The data transmission method includes acquiring N pilot sequences and a spreading sequence, where at least one pilot sequence among the N pilot sequences has an association relationship with the spreading sequence, and N is an integer greater than 1; processing to-be-sent data by using the spreading sequence to generate a to-be-sent data symbol; and sending the N pilot sequences and the to-be-sent data symbol.

Abstract: Provided are backscatter communication method, apparatus and device, and a storage medium. The backscatter communication method applied to a first communication node includes: (S110) determining a target position situation used to carry first information, and (S120) performing backscatter communication according to the target position situation.

Abstract: A data transmission method and apparatus, a first communication node, and a second communication node are provided. The method includes: acquiring data, wherein the data includes information of N pilots; and sending the data and the N pilots; wherein N is an integer greater than or equal to 1. The solution can avoid the problems of misjudging detection result and interference cancellation error of the receiver caused by the channel correlation between the users, and improve the detection performance of other users, such that the performance of grant-free transmission can be improved.

Abstract: Disclosed are a full-duplex antenna and a communication node, where the full-duplex antenna may include a transmit antenna, N receive antenna groups and N radio frequency links. Each of the radio frequency links is configured to acquire first signals received by all receive antennas in one of the receive antenna groups connected to the radio frequency link, and synthesize a second signal according to the first signals. A power of a self-interference signal related to the transmit antenna in each of the first signals in a full-duplex transmission mode is defined as a first power, a power of a self-interference signal related to the transmit antenna in the second signal in the full-duplex transmission mode is defined as a second power, and the second power is less than the first power.

Abstract: An information transmission method, a communication device, and a storage medium are disclosed. The information transmission method, which is applied to a first communication node, may include transmitting modulation symbols to a second communication node in a non-connected state, where the modulation symbols are obtained by one of: modulating M1+1 bits of information in an information packet according to a first constellation model; modulating M2+2 bits of information in the information packet according to a second constellation model; or modulating M3+3 bits of information in the information packet according to a third constellation model.

Abstract: Coatings applicable to a variety of substrate articles, structures, materials, and equipment are described. In various applications, the substrate includes metal surface susceptible to formation of oxide, nitride, fluoride, or chloride of such metal thereon, wherein the metal surface is configured to be contacted in use with gas, solid, or liquid that is reactive therewith to form a reaction product that is deleterious to the substrate article, structure, material, or equipment. The metal surface is coated with a protective coating preventing reaction of the coated surface with the reactive gas, and/or otherwise improving the electrical, chemical, thermal, or structural properties of the substrate article or equipment. Various methods of coating the metal surface are described, and for selecting the coating material that is utilized.

Abstract: A wireless communication method is provided to include: sending, by a user device, a first message to a network device in a wireless network to initiate a 2-step random access to the wireless network; and receiving, in response to the first message, a second message to perform the 2-step random access, the second message including a field indicating whether a transport block size of a payload of the second message is scaled.

Abstract: Techniques are described for a full duplex communication method and apparatus for inter-vehicle communication (V2V). A communication apparatus includes one or more transmit antennas, one or more receive antennas, and a processor. For cases where a single transmit antenna and multiple receive antennas are used, a distance between the transmit and receive antennas is greater than a pre-determined value. Further, the transmit antenna is located on or in a central region of a top surface of the vehicle and the receive antennas are evenly distributed located on the vehicle. The processor configured to generate one or more messages to be transmitted via the transmit antenna, where the one or more messages includes vehicle condition information, operational information about a driver of the vehicle, or information associated with one or more sensors of the vehicle.

Abstract: A method for making an alloy thin film, includes: providing a reaction chamber, wherein a spraying device and a supporting platform are disposed in the reaction chamber; disposing a pre-processed structure on a surface of the supporting platform; forming an alloy thin film with a characteristic atomic ratio of a first element to an M-th element on a surface of the pre-processed structure, wherein the spraying device is set to have a characteristic temperature, a characteristic distance is set between the spraying device and the supporting platform, a flow-stabilizing device is set to have a characteristic flow, a first precursor to an M-th precursor are introduced into the reaction chamber, and M is an integer greater than or equal to 2; and adjusting the characteristic atomic ratio by adjusting any one or more selected from the group consisting of the characteristic temperature, the characteristic distance, and the characteristic flow.

Abstract: A reaction device includes a reaction housing defining a reaction chamber that is configured to accommodate a reactant, a first cover plate, an intake assembly that is disposed on the first cover plate and communicated with the reaction chamber, and a flow equalizing plate disposed between the first cover plate and the reaction housing. The reaction housing includes a first end and a second end opposite to each other. The first cover plate is disposed on the first end. An arrangement direction of the first cover plate and the flow equalizing plate is perpendicular to a vertical axis of the reactant, a wall surface of the flow equalizing plate facing the first cover plate is configured as a protrusion, and a wall surface of the first cover plate facing the flow equalizing plate is configured as a recess. A semiconductor coating device and a coating method are further provided.

Abstract: Provided are a data transmission method and apparatus, a transmission device, and a storage medium. The method includes the following: determining a first reference signal and a second reference signal associated with the first reference signal, where the second reference signal is used for assisting a receiving end in detecting an active sequence in the first reference signal; and sending a transmission packet, where the transmission packet includes the first reference signal, the second reference signal and transmitted data.

Abstract: A processing chamber includes a chamber body assembly and a chamber door assembly. The chamber body assembly includes a chamber body. The chamber door assembly includes a spray plate and a chamber door. The spray plate is disposed on the chamber door. When the chamber door assembly is closed, the spray plate covers an end of the chamber body. The chamber body and the spray plate define a processing space. The spray plate is configured to introduce a processing gas into the processing space. A substrate processing method and a processing device are further provided.

Abstract: Provided are a data transmission method and apparatus, a user equipment, a base station, a communication system and a storage medium. The method includes abiding by a mapping relationship between the resource configuration of a physical uplink shared channel (PUSCH) resource and preamble sequence configuration information according to the resource configuration of the PUSCH resource and determining preamble sequence configuration information corresponding to the resource configuration of the PUSCH resource; mapping a preamble sequence onto a physical random access channel (PRACH) resource according to the preamble sequence configuration information; and sending a message containing the PRACH resource and the PUSCH resource.

Abstract: Techniques are described for a grant-free transmission. A wireless method includes generating and transmitting the same message via one or more transmission channels. The message includes information indicative of one or more channel indexes associated with the one or more transmission channels, one or more pilot signals associated with the one or more transmission channels, one or more spreading sequences associated with the one or more transmission channels, one or more scrambling sequences associated with the one or more transmission channels, or an interleaving technique associated with the one or more transmission channels.

Abstract: The present disclosure provides a juvenile fish limb identification method based on a multi-scale cascaded perceptual convolutional neural network. The method includes the following steps: acquiring a video sequence of a juvenile fish, dividing a fish body into five non-overlapping parts, performing semantic annotation on the five non-overlapping parts, and taking the five non-overlapping parts as an input of the multi-scale cascaded perceptual convolutional neural network; and using a convolutional layer as a feature extractor, performing feature extraction on an input image containing the annotation of each limb, inputting extracted features into an Attention-region proposal network (RPN) structure, determining a category of each pixel, and generating a limb mask of each limb category using a multi-scale cascade method. According to the method, the limbs of the juvenile fish can be efficiently and accurately identified, and technical support is provided for posture quantification of the juvenile fish.

Abstract: A SRE-PTPRZ1 inhibitor or a PTPRZ1 inhibitor in the preparation of a drug for treating squamous cell carcinoma are provided. The SRE-PTPRZl inhibitor is an inhibitor for SRE-PTPRZ1 structural variation, the SRE-PTPRZ1 structural variation being somatic simple repeat expansion at insertion site GRCh38 chr7: 121603263-121603506, the repeating pattern of an insertion region and a somatic cell simple repeat expansion sequence are (CTTT)n, in which 10?n<500. The PTPRZ1 inhibitor is one of the followings compounds, a pharmaceutically acceptable salt thereof, one or two derivatives among derivatives thereof, or a mixture of the above: NAZ2329, SCB4380, MY-33-3, or MY-10; and the HGNC number of the PTPRZ1 gene is 9685.

Abstract: This application provides a base station antenna and a base station. The base station antenna includes a rotation shaft, a first reflection plate, a second reflection plate, a first radiator, and a second radiator. The first reflection plate includes a first surface and a second surface that are disposed in opposite directions, and the first radiator is disposed on the first surface of the first reflection plate. The second reflection plate includes a first surface and a second surface that are disposed in opposite directions, and the second radiator is disposed on the first surface of the second reflection plate. The first reflection plate is connected to the rotation shaft, the second reflection plate is rotatably connected to the rotation shaft, and the rotation shaft is located between the second surface of the first reflection plate and the second surface of the second reflection plate.

Abstract: A silencer includes a housing and a guiding portion. The housing includes inner walls, provided with a damping material; an inlet, arranged at a first portion of the housing and adapted to receive air from an air outlet of a cooler; a first outlet, arranged at a second portion of the housing and configured to exhaust the air flowing via a first air flow channel, the second portion being adjacent to the first portion; and a second outlet, arranged at a third portion of the housing and configured to exhaust air flowing via a second air flow channel, the third portion being adjacent to the first portion. The guiding portion is arranged at a fourth portion of the housing opposite to the inlet and configured to guide the received air to the first outlet and the second outlet along the first air flow channel and the second air flow channel, respectively.

Abstract: Provided are a data transmission method and apparatus, a user equipment, a base station, a communication system and a storage medium. The method includes abiding by a mapping relationship between the resource configuration of a physical uplink shared channel (PUSCH) resource and preamble sequence configuration information according to the resource configuration of the PUSCH resource and determining preamble sequence configuration information corresponding to the resource configuration of the PUSCH resource; mapping a preamble sequence onto a physical random access channel (PRACH) resource according to the preamble sequence configuration information; and sending a message containing the PRACH resource and the PUSCH resource.