Abstract: A patch radiating element includes a feeder pillar and a patch radiator positioned at a front end of the feeder pillar. The patch radiator includes a plurality of slots that are configured such that when the patch radiator is fed an RF signal via the feeder pillar, the current in a central area of the patch radiator is increased as compared to when the patch radiator does not include the plurality of slots.

Abstract: Radiating elements are provided that comprise a feed stalk, a first dipole radiator that comprises a first dipole arm and a second dipole arm, and a second dipole radiator that comprises a third dipole arm and a fourth dipole arm. The first dipole arm comprises a conductive loop and a conductive pad that is at least partially surrounded by the conductive loop and is only capacitively coupled to the conductive loop.

Abstract: A base station antenna comprises first and second RF ports, first and second columns of radiating elements that each extend in a longitudinal direction, and a power coupling circuit. A first radiating element in the second column is coupled to the first RF port via the power coupling circuit, and the phase of the RF signal fed to the first radiating element in the second column is not advanced as compared to the phase of the RF signal fed to the first radiating element in the first column. A second radiating element in the first column is coupled to the second RF port via the power coupling circuit, and the phase of the RF signal fed to the second radiating element in the first column is not advanced as compared to the phase of the RF signal fed to the second radiating element in the second column.

Abstract: A radiating element for a base station antenna that is operable in a first frequency band. The radiating element comprises a radiator that includes a first radiating arm and a second radiating arm. At least one of the first radiating arm and the second radiating arm comprises: a first conductive region; a second conductive region spaced apart from the first conductive region; and a first inductive trace for electrically connecting the first conductive region and the second conductive region. Within the first conductive region, a first gap devoid of metal is provided, and the first inductive trace includes a first trace segment extending into the first gap. The first trace segment is disposed within the first gap at a distance from the first conductive region.

Abstract: The present invention belongs to the field of sediment removal robots, and in particular, discloses an intelligent suction-type underground drainage pipeline sediment removal robot and a sediment removal method. The sediment removal robot includes an in-pipe integrated robot and a manhole box. The in-pipe integrated robot includes a hardware structure and a software module. The hardware structure includes a mechanical assembly, a circuit assembly, a sediment crushing assembly, a sediment conveying assembly, and a main body. The software module includes an intelligent pipeline siltation diagnosis module.

Abstract: A base station antenna, that may include: a reflector; an array of first radiating elements mounted forwardly of the reflector and configured to emit first electromagnetic radiation within a first frequency band; and a compensation structure mounted forwardly of at least a portion of the first radiating elements of the array of first radiating elements and configured to reflect at least some received first electromagnetic radiation backwards, wherein the compensation structure comprises a first compensation plate and a second compensation plate spaced apart from the first compensation plate, the first compensation plate being positioned to form a first Fabry-Pérot resonance cavity with the reflector for the first electromagnetic radiation, and the second compensation plate being positioned to form a second Fabry-Pérot resonance cavity with the reflector for the first electromagnetic radiation.

Abstract: An antenna includes a cross-polarized feed signal network configured to convert first and second RF input feed signals to first and second pairs of cross-polarized feed signals at respective first and second pairs of feed signal output ports. A patch radiating element is provided, which is electrically coupled to the first and second feed signal output ports. The patch radiating element includes an electrically conductive forward-facing surface thereon, which is segmented into four quadrants by four generally L-shaped slots within the electrically conductive forward-facing surface. These four generally L-shaped slots are positioned back-to-back relative each other so that a cross-shaped portion of the electrically conductive forward-facing surface extends between the four generally L-shaped slots and radially outward towards four respective points on a perimeter of the patch radiating element.

Abstract: The present invention relates to base station antenna assembly.

Abstract: A box dipole radiating element includes first, second, third and fourth pairs of support stalks, and a box-shaped radiator attached to the first through fourth pairs of support stalks. The box-shaped radiator has first through fourth sides including respective first through fourth radiating arms that are configured to provide generally serpentine-shaped paths for radiation currents in first through fourth vertical planes, which are aligned with the radiating arms and intersect at corners of the box-shaped radiator.

Abstract: A radiating element includes: a plurality of radiators, where each radiator includes a first side arm segment and a second side arm segment; a plurality of feeder rods, where each feeder rod is electrically connected to a respective one of a plurality of first side arm segments and a plurality of second side arm segments, where each group of feeder rods and their connected side arm segments include a first portion and a second portion electrically insulating from each other; and at least one common mode current suppressing component, where each common mode current suppressing component includes a first conductive portion and a second conductive portion adjacent to each other and electrically insulating, where the first conductive portion is electrically connected between a first portion of a group of feeder rods and their connected side arm segments and a second portion of an adjacent group of feeder rods and their connected side arm segments, and the second conductive portion is electrically connected betwee

Abstract: The present application discloses a linkage control method and system for TV viewing ambient light strips, relating to the technical field of light strip control. The method includes: installing a controller above a TV set and acquiring color data; establishing an initial color control method to control the color of the light strip; acquiring linkage analysis light strips and obtaining common points; controlling the color of the light strip via the controller when the TV set is started, based on the common points and the initial color control method. The present application solves the problems of existing methods for linkage control of TV viewing ambient light strips: inability to perform real-time control of the light strip's light based on TV images during viewing, resulting in the light strip's light not matching the viewing content, causing a sense of disconnection in the user's visual experience and reduced viewing immersion.

Abstract: A base station antenna comprises a reflective plate, first and second columns of radiating elements, and at least one first decoupling metamaterial element positioned between the first and second columns. The first decoupling metamaterial element is mounted behind radiators of the first radiating elements and configured to at least partially reduce coupling between the radiating elements in the first and second columns. A major surface of the first decoupling metamaterial element is substantially parallel to a major surface of the reflective plate.

Abstract: This invention disclosed a full-space intelligent detection method and system for underground drainage networks, as well as storage media, including the following steps: image acquisition, intelligent image denoising, internal pipe defect segmentation, concealed defect detection around the pipe, 3D reconstruction with volume quantification, and pipeline life prediction. This invention introduced a bionic four-wheel-drive, all-terrain detection robot that can effectively navigate through mud and flowing water-challenges that hinder traditional detection devices. By leveraging deep learning algorithms as well as various techniques of computing vision, 3D reconstruction, and point cloud processing, the system thoroughly analyzed collected data to determine defect types and precise locations. Utilizing this analysis, precise location of different defect type and quantitative measurement of their dimensions can be realized.

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.