Abstract: Disclosed herein are gear shifters to reverse an output shaft rotation and a method for using the same. A gear shifter in accordance with the present invention may include a housing, an input shaft, an output shaft and an idler shaft. The input shaft may have input gears, the output shaft may have output gears and the idler shaft may have idler gears. The output shaft may be slidably coupled with the input shaft and the idler shaft to rotate in a first direction in a first position and in a second opposite direction in a second position. A method of reversing an output shaft direction using a gear shifter may include the steps of pushing the gear shifter in a first direction to rotate the output shaft in a first direction and pushing the gear shifter in a second direction to rotate the output shaft in a second direction.

Abstract: Embodiments of this application disclose a resource scheduling method and a related device, to configure a scheduled resource for a terminal device based on a dynamic analog beam determined by a network device, thereby increasing a throughput of the terminal device. The method in embodiments of this application includes: The network device determines, based on information about an SRS of each first terminal device, a set of second terminal devices from a set of first terminal devices and static analog beam information of each second terminal device in the set of second terminal devices. Then, the network device determines beam domain channel information based on the static analog beam information. Therefore, the network device determines dynamic analog beam information of each second terminal device based on the static analog beam information and the beam domain channel information.

Abstract: Disclosed is a low-complexity linear equalization method for an Orthogonal Time Frequency Space (OTFS) system. The method may include: receiving a time domain signal passing through a linear time-varying (LTV) channel; sampling the time domain signal to obtain a sampled signal; demodulating the sampled signal to obtain a demodulated signal; performing a Symplectic Finite Fourier Transform (SFFT) on the demodulated signal to obtain a sampled delay-Doppler domain signal; determining an effective channel matrix in a delay-Doppler domain under a restriction of a rectangular window according to a time domain channel matrix; determining a linear equalization matrix according to the effective channel matrix; and equalizing the sampled delay-Doppler domain signal in a low-complexity way according to the linear equalization matrix. The disclosure also discloses a linear equalization device of an OTFS system for realizing the linear equalization method and a computer-readable storage medium.

Abstract: A computer system modifies a compiled application to monitor performance. A request routing function of the compiled application is replaced with jump code that directs processing to a data collection function and backing up the request routing function. In response to receiving, during execution of the compiled application, an incoming request from a remote device for handling by the request routing function, the data collection function is executed based on the jump code. Using the data collection function, data associated with the incoming request is collected, the data comprising performance metrics. The backup of the request routing function is called using the data collection function to process the request and provide a response. Embodiments of the present invention further include a method and program product for modifying a compiled application to monitor performance in substantially the same manner described above.

Abstract: The present disclosure herein discloses a preparation method of a polyurethane-based nano-silver SERS substrate, belongs to the technical field of Raman spectrums, and aims to solve problems of complex preparation process, low sensitivity and the like of SERS substrates. The method uses solidified polyurethane as a skeleton, and the polyurethane adsorbs nano silver particles onto its surface due to a porous surface structure and adsorptivity, so an SERS substrate with crystal violet as a probe molecule and having a limit of detection as low as 10?10 M is obtained. The SERS substrate prepared by the method has a large surface area, adsorbs a large number of target molecules, and is easy to prepare, high in sensitivity, and conducive to qualitative and quantitative analysis of SERS.

Abstract: Disclosed are methods for beam tracking. In the methods, a transmitting unmanned aerial vehicle (UAV) receives motion state information (MSI) of a receiving UAV and determines a first beam angle from the transmitting UAV to the receiving UAV according to the MSI of the receiving UAV. Then the transmitting UAV selects a codeword from a codebook according to the first beam angle. Finally, the transmitting UAV determines an activated sub-array and a beam-forming vector of the CCA according to the size of the activated sub-array corresponding to the sub-codebook to which the codeword belongs, a second beam angle corresponding to the codeword and a location of a central antenna element of an activated sub-array corresponding to the codeword and transmits information using the beam-forming vector. One or more examples of the present disclosure also provide a method for beam tracking implemented by the receiving UAV, methods for generating a codebook.

Abstract: Provided are van der Waals (VDW) films comprising one or more transition metal chalcogenide (TMD) films. Also provided are methods of making VDW films. The methods are based on transfer of monolayer TMD films under vacuum, for example, using a handle layer. Also provided are apparatuses and devices comprising one or more VDW film.

Abstract: Disclosed are methods for beam tracking. In the methods, a transmitting unmanned aerial vehicle (UAV) receives motion state information (MSI) of a receiving UAV and determines a first beam angle from the transmitting UAV to the receiving UAV according to the MSI of the receiving UAV. Then the transmitting UAV selects a codeword from a codebook according to the first beam angle. Finally, the transmitting UAV determines an activated sub-array and a beam-forming vector of the CCA according to the size of the activated sub-array corresponding to the sub-codebook to which the codeword belongs, a second beam angle corresponding to the codeword and a location of a central antenna element of an activated sub-array corresponding to the codeword and transmits information using the beam-forming vector. One or more examples of the present disclosure also provide a method for beam tracking implemented by the receiving UAV, methods for generating a codebook.

Abstract: The present disclosure discloses example broadcast beam processing methods and apparatuses. One example method includes sending a first broadcast beam. A first measurement report is received from a first terminal after the first broadcast beam is sent, and a weak coverage area of the first broadcast beam is determined based on the first measurement report. A second broadcast beam is then sent, where the second broadcast beam is used to cover the weak coverage area of the first broadcast beam.

Abstract: Routing containerized services requests on a serverless platform can include responding to receiving on the serverless platform a request for a containerized service and detecting a potential request failure. The response to the potential request failure can include searching a database that maps version-specific requests to a plurality of containers that are configured and managed by the serverless platform. The routing can include redirecting the request to a container containing a prior version of the containerized service requested in response to determining that the prior version of the containerized service maps to a version-specific request that matches the request received.

Abstract: A computer system modifies a compiled application to monitor performance. A request routing function of the compiled application is replaced with jump code that directs processing to a data collection function and backing up the request routing function. In response to receiving, during execution of the compiled application, an incoming request from a remote device for handling by the request routing function, the data collection function is executed based on the jump code. Using the data collection function, data associated with the incoming request is collected, the data comprising performance metrics. The backup of the request routing function is called using the data collection function to process the request and provide a response. Embodiments of the present invention further include a method and program product for modifying a compiled application to monitor performance in substantially the same manner described above.

Abstract: Provided are van der Waals (VDW) films comprising one or more transition metal chalcogenide (TMD) films. Also provided are methods of making VDW films. The methods are based on transfer of monolayer TMD films under vacuum, for example, using a handle layer. Also provided are apparatuses and devices comprising one or more VDW film.

Abstract: This application provides a method for adjusting a half-power angle of an antenna, to adjust a maximum half-power angle or a maximum beam gain of an individual transceiver channel. The method includes: first determining that M antenna elements in N antenna elements connected to a first transceiver channel of an access network device need to be turned on or off, where N>M?1, and both N and M are integers, that is, a quantity of antenna elements driven by the first transceiver channel needs to be adjusted; and then sending first indication information to the access network device, where the first indication information is used to indicate to turn on or off the M antenna elements.

Abstract: Apparatuses comprising a substrate; a monolayer graphene film disposed on at least a portion of the substrate; and a single-layer transition metal dichalcogenide (TMD) disposed only on the substrate and lateral edges of the monolayer graphene film, methods of making the apparatuses, and devices comprising one or more of the apparatuses. The apparatuses have a one-dimensional ohmic edge contact between the monolayer graphene and monolayer semiconducting TMDs.

Abstract: Disclosed is a method of path optimization for an unmanned aerial vehicle (UAV). In the method, users and the positions of the users are obtained; the users are divided into K wireless multicast user groups; K initial hovering positions corresponding to the K wireless multicast user groups are determined; and a first shortest flying path connecting the K initial hovering positions is determined; and the initial hovering positions of the UAV are optimized to obtain K final hovering positions and a final flying path. The present disclosure also discloses a device of path optimization for a UAV and a computer readable storage medium.

Abstract: An LED automobile lamp includes a lens, a heat dissipation shell, a light source pillar, and a rear cover. The heat dissipation shell is mounted with a light-reflecting surface, the light source pillar is mounted at the bottom of the heat dissipation shell, the lens is arranged at the top of the heat dissipation shell, and the rear cover is arranged at the bottom of the light source pillar. A first light source plate and a second light source plate are symmetrically arranged on two sides of the light source pillar. Both the first light source plate and the second light source plate extend into a light-reflecting region surrounded by the light-reflecting surface and the lens. The top of the light source pillar is provided with a light-shielding sheet, and a bottom of the light source pillar is provided with a stepped plane coupling with the heat dissipation shell.

Abstract: A staple cartridge assembly comprises a connector, a cutter push rod and an elastic sheet, the elastic sheet having a first through groove and the cutter push rod being formed by laminating multiple sheets, wherein when the staple cartridge assembly is in an original status or a closed status, part of the cutter push rod is located in the first through groove, and the first through groove restricts detaching of the multiple sheets in a laminating direction of the multiple sheets; in a firing process of the staple cartridge assembly, the cutter push rod moves towards a distal end of the staple cartridge assembly to press the elastic sheet, such that the elastic sheet deforms and the cutter push rod is gradually detached from the first through groove; after the firing of the staple cartridge assembly is finished, the cutter push rod is detached from the first through groove.

Abstract: A three-dimensional (3D) memory structure and a manufacturing method thereof are provided. The method includes the following steps. A 3D memory unit is formed on a first region of a substrate. A first insulation layer is formed on the first region and a second region of the substrate. A first planarization process is performed to the first insulation layer. The top surface of the first insulation layer on the first region and the top surface of the first insulation layer on the second region are coplanar after the first planarization process. A peripheral circuit is formed on the second region after the first planarization process. The influence of the process for forming the 3D memory unit on the peripheral circuit may be avoided. The manufacturing yield, the electrical performance, and the reliability of the 3D memory structure may be enhanced accordingly.

Abstract: A measurement method, a terminal device, and a network device are described. The measurement operation includes sending a channel state information-reference signal CSI-RS measurement beam to a terminal device. The CSI-RS measurement beam is obtained by the network device by weighting a CSI-RS by using a beamforming weight, and the beamforming weight is used to perform beamforming on the CSI-RS. The measurement operation further includes receiving a rank indicator and a channel quality indicator that are determined based on the CSI-RS measurement beam. The measurement operation further includes weighting and transmitting a downlink channel based on the rank indicator and the channel quality indicator. The CSI-RS is weighted and transmitted by using the beamforming weight, to help improve accuracy of rank measurement, thereby improving a user throughput.