Abstract: A method includes: obtaining heat maps including a predetermined number of key points of a human body; performing depth separable convolution on a feature map corresponding to one of the heat maps corresponding to each of the key points and a convolution kernel of a corresponding channel of the human body posture recognition model to determine a key point feature map corresponding to each channel of the human body posture recognition model; performing local feature fusion processing and/or global feature fusion processing on the key point feature map corresponding to each channel to obtain fusion posture feature maps; determining a linear relationship between the channels of the human body posture recognition model based on the fusion posture feature maps; and updating weight coefficients of the corresponding channels of the human body posture recognition model by using the linear relationship between the channels of the human body posture recognition model.

Abstract: A cross-polarized dipole radiating element includes: (i) a substrate having a quad-arrangement of radiating arms on a forward-facing surface thereof, and a radio-frequency (RF) coupled loop on a rear-facing surface thereof, and (ii) a feed stalk electrically coupled to the quad-arrangement of radiating arms. The RF coupled loop can include a quad-arrangement of rear-facing coupling elements, which extend opposite corresponding ones of the quad-arrangement of radiating arms, and a quad-arrangement of metal traces, which are configured to electrically couple the quad-arrangement of coupling elements together into a closed electrical loop.

Abstract: The present application discloses a storage system, a creation method, a data processing method, apparatus and device, and a non-volatile readable storage medium, and relates to the technical field of storage. The storage system comprises a first storage space used for processing read-write requests not aligned with block sizes, the first storage space specifically being a storage space containing persistent memory regions of a plurality of storage devices, a second storage space that is connected to the first storage space and is used for processing read-write requests aligned with a first block size, and a third storage space that is connected to the second storage space and is used for processing read-write requests aligned with a second block size, the second block size being greater than the first block size. According to the present application, small I/O read-write performance is improved, while a storage system having high reliability and high cost performance is achieved.

Abstract: The present application relates to the technical field of storage. Disclosed are a data migration method and apparatus, an electronic device and a non-transitory readable storage medium. The method includes: receiving a data transmission request, which is sent by a user-mode application program; dividing read-write data, which corresponds to the data transmission request, into a plurality of data sub-segments; and performing data migration on the plurality of data sub-segments between the user-mode application program and a kernel-mode cache in parallel by using a plurality of data migration threads, wherein the data migration threads are in a one-to-one correspondence with the data sub-segments. The present application improves the efficiency of data migration between a user mode and a kernel mode.

Abstract: The present invention relates to a process for producing a glass fiber reinforced thermoplastic polymer composition and such glass fiber reinforced thermoplastic polymer composition. The present invention further relates to an article comprising the glass fiber reinforced thermoplastic polymer composition. The glass fiber reinforced thermoplastic polymer composition has improved white spot performance.

Abstract: A method for providing data to a destination node connected to one or more source nodes via one or more networks. In one aspect, the method is performed by a feature identifier for selecting at least one feature from a set of features. The set of features comprises a first feature and a second feature. The method includes, for each feature included in the set of features, obtaining a value indicating a cost of providing the data set for the feature from a source node that stores the data set to a destination node that is connected to the source node via a network. The method also includes, based on the obtained values, selecting a subset of the set of features. The method further includes for each selected feature, initiating the transmission of the respective data set for the respective selected feature from a source node to the destination node. The destination node may execute a machine learning process that is operable to use the respective data sets to produce a model.

Abstract: This invention relates to the diagnosis of sedimentation in drainage networks, specifically providing an unmanned underwater vehicle (UUV) based maintenance decision-making method for drainage pipeline sedimentation diagnosis and waterlogging warning. The UUV of this invention consists of an integrated hull inside the pipeline and a manhole box. The integrated hull inside the pipeline includes a Doppler ultrasound module, a three-axis gyroscope, a high-definition infrared camera, a main controller, a deep learning development board, baffles, a cabin cover, a cabin, fins, towing rings, and a navigation interface. The Doppler ultrasound module, three-axis gyroscope, high-definition infrared camera, navigation interface, and deep learning development board are each connected to the main controller. The fins, towing rings, cabin cover, and baffles are connected to the cabin.

Abstract: A method is provided for calibrating an electronic torque wrench (100) engaged with a torque tester (302), according to a specified calibration procedure that includes increasing an applied torque to a target torque value, and a threshold time rate of change of the applied torque. The method includes detecting the applied torque produced from a rotational force applied by an operator to the electronic torque wrench (100). The method includes, as the applied torque is detected, determining a torque value of the applied torque, and a time rate of change of the applied torque. The torque value and the time rate of change are compared to respectively the target torque value and the threshold time rate of change. And a notification is output to guide the operator in the rotational force applied by the operator, and thereby the applied torque produced from the rotational force.

Abstract: A radiating element for a base station antenna comprises a feed stalk printed circuit board and a dipole radiator printed circuit board mounted on the feed stalk printed circuit board. The feed stalk printed circuit board includes a first ground line that includes a first integrated parallel LC circuit, a second ground line that includes a second integrated parallel LC circuit, a first signal trace that extends through an opening in the dipole radiator printed circuit board, and a second signal trace.

Abstract: A system and corresponding method perform image super-resolution (SR). The system comprises an element-unshuffled downsampler and an image SR module. The image SR module performs image SR on a low-resolution (LR) representation of a high-resolution (HR) original image. The HR original image is at a higher resolution relative to a resolution of the LR representation. The image SR module produces a reconstructed version of the HR original image via the image SR performed. The image SR is based on element-unshuffled downsampling of the LR representation. The element-unshuffled downsampler performs the element-unshuffled downsampling. The image SR module outputs the reconstructed version produced. The system performs the image SR with fewer parameters and less computation cost relative to conventional image SR.

Abstract: The present disclosure relates to a base station antenna. comprising: a reflector: a first frequency band radiating element located on the front side of the reflector; and a feed board located on the front side of the reflector. the feed board being configured to feed the first frequency band radiating element, in which. a resonant circuit in a grounding path of the first frequency band radiating clement is formed on the feed board, and the resonant circuit is configured to at least suppress current within a second frequency band different from the first frequency band (FIG. 2a).

Abstract: A radiating element for a base station antenna comprises a feed stalk printed circuit board, a coupling printed circuit board mounted on a distal end of the feed stalk printed circuit board, the coupling printed circuit board including a plurality of metal pads, and a metal radiator that is capacitively coupled to the coupling printed circuit board and that forms at least part of a first radiator and a second radiator, the metal radiator comprising a monolithic metal plate that includes at least one opening.

Abstract: A radiator assembly for a base station antenna has a longitudinal central axis and two dipoles cross-arranged around the longitudinal central axis. Each dipole has two dipole arms and each dipole arm is equipped with a hook-like feeder made of a metal sheet and having a free end portion. The hook-like feeder is capacitively coupled with an associated dipole arm. The radiator assembly is compact and is easy to manufacture and assemble.

Abstract: Disclosed is czochralski monocrystalline forming process and application thereof. A barium powder scattering position, a position of a crucible for melting, and a melting power in material preparing and melting procedures are changed and optimized: when the barium powder scattering position is at ? of a position above a lower part of a straight arm of the crucible in the vertical direction: the crucible for melting is at a position of ?50 mm at the beginning of melting, and at a position of 30 mm when the linear size of a non-melted block at the later stage of melting is 200 mm-300 mm; a main heater power of the melting power is 85 KW, and a bottom heater power is 70 KW.

Abstract: This application discloses an internet of things (IoT) communication method and a device. The method may be applied to a main control central processing unit (CPU) in an IoT device. The main control CPU may be connected to a Bluetooth chip, establish a Bluetooth connection with a terminal device by using the Bluetooth chip, establish a datagram transport layer security (DTLS) protocol-based encrypted data channel with the terminal device based on the Bluetooth connection, and then communicate user data over the encrypted data channel. In this way, even if the Bluetooth chip fails to establish an encrypted Bluetooth connection with the terminal device, transmitting the user data over the encrypted data channel ensures security of the user data.

Abstract: A method is provided for calibrating a torque measurement device such as an electronic torque wrench (100) configured to produce a digital electrical signal that represents an applied torque as sequence of digital data points, and determine a torque value of the applied torque from the sequence of digital data points. The method includes reading the sequence of digital data points and the torque value from the torque measurement device (602). The method includes determining the torque measurement device is out of specification in that the torque value differs from a corresponding reference torque value by more than a threshold value (604). And in response, a calibration function is derived from the sequence of digital data points and the corresponding reference torque value (606), and the calibration function is written to the torque measurement device (608).

Abstract: A method is provided for recalibrating an torque measurement device configured to determine a torque value of an applied torque using a calibration function derived during a calibration of the torque measurement device. The method includes performing a recalibration of the torque measurement device in which a second calibration function is derived and written to the torque measurement device (502). The method includes determining a deviation in the torque value determined using the calibration function relative to the second calibration function (504). The method includes predicting an interval from the recalibration to a next recalibration of the torque measurement device, for a different deviation over the next interval, based on the deviation, the different deviation, and the interval from the calibration to the recalibration (506). And the method includes outputting an indication of the interval from the recalibration to the next recalibration (508).

Abstract: A base station antenna comprises a radiating element that includes a feed stalk and a radiator mounted on the feed stalk; a phase shifter assembly that includes a phase shifter cavity that has holes corresponding to a location of the feed stalk on a wall proximate the feed stalk; and a phase shift circuit mounted within the phase shifter cavity, where the feed stalk is fixed relative to the phase shift circuit and a first conductor feature of the feed stalk is directly electrically connected to a second conductor feature of the phase shift circuit by passing through the through holes.

Abstract: This invention relates to the diagnosis of sedimentation in drainage networks, specifically providing an unmanned underwater vehicle (UUV) based maintenance decision-making method for drainage pipeline sedimentation diagnosis and waterlogging warning. The UUV of this invention consists of an integrated hull inside the pipeline and a manhole box. The integrated hull inside the pipeline includes a Doppler ultrasound module, a three-axis gyroscope, a high-definition infrared camera, a main controller, a deep learning development board, baffles, a cabin cover, a cabin, fins, towing rings, and a navigation interface. The Doppler ultrasound module, three-axis gyroscope, high-definition infrared camera, navigation interface, and deep learning development board are each connected to the main controller. The fins, towing rings, cabin cover, and baffles are connected to the cabin.

Abstract: A method is provided for verifying an electronic torque wrench. The method includes determining a reference torque value at a torque tester, from a torque applied by an electronic torque wrench to the torque tester with which the electronic torque wrench is engaged. The method includes receiving multiple torque values at the torque tester contemporaneous with the reference torque value determined at the torque tester, the multiple torque values received from multiple electronic torque wrenches, including the electronic torque wrench engaged with the torque tester. The method includes identifying one of the multiple torque values as a torque value from the electronic torque wrench, based on the reference torque value and the multiple torque values. The method includes performing a verification of the electronic torque wrench based on the reference torque value and the torque value as identified; and outputting an indication of the verification of the electronic torque wrench.