Abstract: Embodiments of the present disclosure relate to device, method, device and computer readable storage media of beam-forming scheme in higher rank transmission for massive multiple input multiple output system. The method comprises determining a target beam for carrying a transmission of a reference signal from the base station to the user equipment; determining a target arrangement of the plurality of ports formed at an antenna array of the base station; and transmitting, to the user equipment, different portions of the target beam through a plurality of ports based on the target arrangement. In this way, a new beamforming method when Massive-MIMO choose higher rank transmission in multi ports communication system is proposed. The gNB would only select the best beam with different halves in the same polarization to keep the QCL principles.

Abstract: The present invention discloses a decentralized open-source software protocol for open-source software and developers globally. The protocol is based on a non-fungible token (NFT) associated with a commit of a source code developed in collaboration, such as an open-source software code. With this protocol, contributors of an open-source software code are incentivized to take on well-specified tasks and then claim their contributions to development in the form of the NFT. A trusted transparency centre (TC) is proposed in the present invention as a core technology to enable trusted software analysis so as to yield the fundamental information and value of a given commit in a repository.

Abstract: The embodiments of the disclosure provide a method, apparatus, device and storage medium for presenting information, which relate to the technical field of computers. The method includes: obtaining object search information, in response to the object search information being object category information, determining a target object category corresponding to the object search information, and presenting object information of a plurality of target objects corresponding to the target object category in a search result presentation page; where all the plurality of target objects are different, and object information of a target object includes object attribute information and image resource information of the target object. By employing the above technical solution, when the user is searching the object category, object information of a plurality of target objects different from each other corresponding to the target object category is presented in the search result page.

Abstract: A label-free cell classification and screening system based on hybrid transfer learning, including a data preprocessing module for acquiring 2D light scattering video data and for digital cell filtering, is made public here; the data preprocessing module includes the label-free high-content video flow cytometry, which has the optical excitation module, the sheath flow control module, and the data acquisition and processing module; the image archiving module is used to sort and set labels for cells; in the feature extraction module, the first convolutional neural network is used to obtain image data feature vectors; in the cell classification and screening module, a support vector machine model is used to obtain the cell screening results.

Abstract: The present disclosure provides a wide beam radiation leakage coaxial cable, which includes an inner conductor, an insulating layer, an outer conductor and a sheath coaxially nested from inside to outside in sequence, at least two columns of slot groups are provided on the outer conductor, the columns of slot groups are distributed at different angles in the circumferential direction of the outer conductor, the included angle between two adjacent columns of slot groups is ?=?/n, where ? is the target radiation width, n is the number of columns of slot groups, each column of slot groups includes a plurality of slot arrays periodically arranged in the axial direction of the outer conductor, the pitch of each column of slot groups is the same, the pitch phase of each column of slot groups on the same leakage cable section is consistent, and each slot array includes a plurality of slots.

Abstract: A sample mounting device for direct tensile test of rock mass is provided, which includes a first positioning stage, a second positioning stage, a first support piece, a second support piece, and a screw drive mechanism. The second positioning stage is arranged above the first positioning stage and capable of moving up and down, and cushion blocks for gluing with the rock mass are coaxially and detachably arranged at opposite ends of the first positioning stage and the second positioning stage, and a rock mass mounting area is formed between the two cushion blocks. A screw of the screw drive mechanism includes a first thread segment and a second thread segment with opposite thread directions. The first support piece is connected with the first thread segment through a nut seat, and the second support piece is connected with the second thread segment through a nut seat.

Abstract: A method for grouping patterns associated with one or more design layouts of a semiconductor. The method involves obtaining a set of patterns (e.g., from one or more design layouts), where a pattern of the set of patterns includes a non-intersected feature portion (e.g., parallel bars) within a bounding box of the pattern. A non-intersected feature portion of a pattern is encoded to a pattern representation having elements, where each element has a first component indicating a type of an individual non-intersected feature portion, and a second component indicating a width of the individual non-intersected feature portion projected along a designated edge of an area enclosing the pattern. The set of patterns are grouped into one or more groups by comparing the pattern representations associated with the set of patterns.

Abstract: A lens base with improved strength and reduced size includes a bracket and a lens holder connected to the bracket. The bracket includes a cover plate and a side plate, the side plate connects to the cover plate to form a receiving groove, the cover plate defines a first aperture, the first aperture penetrates the cover plate. The lens holder faces away from the receiving groove, the lens holder defines a second aperture, the second aperture faces the first aperture.

Abstract: A zoom lens assembly for periscope use which is effectively soundless in operation includes a lens barrel defined with a through hole, a plurality of optical lenses disposed within the through hole, and a focusing member disposed between any two of the plurality of optical lenses. The focusing member in a camera module includes a bottom plate, a cover plate, a piezoelectric element, and a variable transparent body. The variable transparent body is between the bottom plate and the cover plate, the piezoelectric element is disposed on a surface of the cover plate that faces away from the variable transparent body. Electricity fed to the piezoelectric element causes movement of the element which deforms the variable transparent body and changes the focal length of the camera module.

Abstract: A photosensitive assembly includes a circuit board. The circuit board has a first surface, a second surface opposite to the first surface, and a first through hole extending through the first surface and the second surface. A photosensitive chip is disposed on the second surface. The photosensitive chip has a photosensitive area and a non-photosensitive area connected to the photosensitive area, the non-photosensitive area is electrically connected to one side of the second surface, and the photosensitive area is exposed from the first through hole. A reinforcing plate is disposed on the first surface. A thermal conductive layer is disposed on the photosensitive chip, and the thermal conductive layer includes a silica gel or a metal.

Abstract: A compression system includes at least one acceleration device, a memory of the acceleration device stores a compression library, and the compression library includes one or more compression algorithms that support implementation of a lossless compression mode. The lossless compression mode is split into one or more fine-grained compression algorithms. Therefore, when obtaining any compression request, the compression system may select, based on an identifier that is carried in the compression request and that indicates a lossless compression mode, a compression algorithm corresponding to the lossless compression mode, thereby performing compression processing on data in the specified lossless compression mode by using the compression algorithm corresponding to the identifier.

Abstract: Various embodiments disclosed relate to contact lens including nanopores. A contact lens can include a nanoporous film including nanopores that are on an inner surface of the contact lens, and a backing lens on the nanoporous film. Various embodiments further include a biomarker-sensing region of the nanoporous film, a drug storage and delivery region of the nanoporous film, or a combination thereof.

Abstract: A lens module of reduced size includes a base and an adhesive body. The base includes a first base portion and a second base portion located outside the first base portion. The first base portion is made of plastic and the second base portion is made of metal. The base further comprises a slot. The adhesive body is received in the slot and connects the first base portion and the second base portion. The disclosure also provides an electronic device having the lens module.

Abstract: A lens holder with an air escape hole which cannot be fouled by adhesive includes a holder body and a lens barrel disposed on the holder body. The holder body includes a first surface away from the lens barrel and a second surface opposite to the first surface, the first surface defines a groove. The groove includes a first bottom surface, the first bottom surface defines a recess. The recess includes a second bottom surface, the second bottom surface defines an air escape hole. A cross-sectional size of the air escape hole is less than a cross-sectional size of the recess.

Abstract: The present disclosure relates to an non-polar supply circuit for brushless DC motor and control method thereof, relating to the field of motor technology, including a microcontroller chip, a polarity judgment circuit, a pre-drive and power switching circuit, a voltage sampling circuit, and a current sampling circuit; The microcontroller chip includes a plurality of pins, the circuits mentioned above is connected to different pins, and the brushless DC motor is connected to the pre-drive and power switching circuit. The brushless DC motor can replace the traditional brush motor by utilizing the non-polar supply circuit, has the advantages of high efficiency and low noise, and compared with the traditional brush DC motor, the brushless DC motor of the present disclosure does not increase the wiring complexity, can directly replace the traditional brush motor. The design scheme is simple and easy to implement.

Abstract: Various embodiments disclosed relate to contact lens including nanopores. A contact lens can include a nanoporous film including nanopores that are on an inner surface of the contact lens, and a backing lens on the nanoporous film. Various embodiments further include a biomarker-sensing region of the nanoporous film, a drug storage and delivery region of the nanoporous film, or a combination thereof.

Abstract: A photosensitive assembly includes a circuit board. The circuit board has a first surface, a second surface opposite to the first surface, and a first through hole extending through the first surface and the second surface. A photosensitive chip is disposed on the second surface. The photosensitive chip has a photosensitive area and a non-photosensitive area connected to the photosensitive area, the non-photosensitive area is electrically connected to one side of the second surface, and the photosensitive area is exposed from the first through hole. A reinforcing plate is disposed on the first surface. A thermal conductive layer is disposed on the photosensitive chip, and the thermal conductive layer includes a silica gel or a metal.

Abstract: A voice coil motor held immobile by magnetic attraction when not in use for photography purposes includes a base, a magnet fixed thereto, a carrier, a magnetic member, and a coil. The magnetic member is fixed to the carrier and is attracted by a permanent magnetic field (first MF) of the magnet on the base. The coil is fixed to the carrier and the magnetic member. When the voice coil motor is powered on, the coil generates a second magnetic field (second MF) opposing the first MF. The second MF reduces or eliminates the attractive force of the first MF of the magnet, to separate the carrier and its fittings and allow them to work freely. A lens module and an electronic device are further provided.

Abstract: A lens module with light-passing hole which is finely adjustable in size includes a lens and aperture assembly. The aperture assembly includes cover body, driving member, rotating disk, and light-blocking blades. The cover body is outside the lens and defines a first aperture. The rotating disk is on the cover body and defines a second and adjustable aperture. The blades are between the cover body and rotating disk, each blade comprising a side surface and the plurality of blades work together to form a light-passing hole. The rotating disk is driven to rotate by the driving member, the blades thereby moving closer to or away from each other, to adjust an aperture of the lens module. The present disclosure further provides an electronic device.

Abstract: The present disclosure discloses a method and a system for wavelet domain-based normalizing flow super-resolution image reconstruction. The method includes constructing a training set and a normalizing flow model, wherein the normalizing flow model includes a plurality of levels, each of the plurality of levels including a squeeze layer, two types of conditional mapping layers, a split layer, an activation standard layer, and a quick response (QR) layer; determining a stable normalizing flow model through a wavelet transform, a reconstructed QR layer, and a T-distribution based on the normalizing flow model; determining a wavelet domain-based normalizing flow super-resolution model by adding a refinement layer based on the stable normalizing flow model; training the wavelet domain-based normalizing flow super-resolution model based on the training set; and reconstructing a super-resolution image based on a trained normalizing flow super-resolution model.