Abstract: A parallel-plate antenna or antenna array suitable for operation at millimeter wave frequencies. The antenna includes an antenna element having a ground plane with a slot and a pair of parallel plates connected to the ground plane. The parallel plates extend generally perpendicularly from the ground plane. In plan view, the slot is arranged between the parallel plates. The antenna also includes a feed operably coupled with the slot for feeding the slot during operation so as to generate a circularly polarized signal for radiation.

Abstract: A power module and a manufacturing method thereof are disclosed. The power module includes a magnetic component, a bare power chip and a conductive set. The magnetic component includes a first surface and a second surface opposite to each other. The bare power chip is disposed on the magnetic component and includes a third surface and a fourth surface opposite to each other. The conductive set is disposed on the magnetic component and electrically connected with the magnetic component and the bare power chip. The third or fourth surface of the bare power chip is at least partially attached on the first or second surface of the magnetic component, and at least partially included in a projected envelopment of the corresponding first or second surface of the magnetic component, so as to facilitate the magnetic component to support the bare power chip.

Abstract: Provided is a method for playing a plurality of videos, including: creating a sliding window with a preset length according to a first to-be-played video in the plurality of videos, wherein the sliding window comprises the first to-be-played video and a preset number of second to-be-played videos; preloading each video in the sliding window by each of video players; preloading the first to-be-played video by one of the video players and playing the first to-be-played video as a currently playing video, wherein the second to-be-played videos are preloaded by other video players; and playing one of the second to-be-played videos by calling a video player interface corresponding to the second to-be-played video in the sliding window in response to the currently playing video being switched to the second to-be-played video.

Abstract: A GUI testing device may be configured to execute a testing state machine for interacting with a software application to generate an initial screen of a GUI. The GUI testing device may be configured to determine a current state in the testing state machine based upon a matching trigger target in the initial screen to a given state. The current state may include an operation, and the operation may associate with a trigger target to operate on. The trigger may include a source state, a destination state, and a trigger target. The operation may include a user input operation, and an operation trigger target. The GUI testing device may be configured to perform the operation on the matching trigger target in the initial screen to generate a next screen of the GUI, and advance from the current state to a next state based upon the trigger.

Abstract: A dielectric resonator antenna and a dielectric resonator antenna array. The dielectric resonator antenna includes a ground plane, a dielectric resonator element operably coupled with the ground plane, and a feed network operably coupled with the dielectric resonator element for exciting the dielectric resonator antenna to provide a wideband omnidirectional response. The dielectric resonator element includes a plurality of portions, including, at least, an innermost portion and an outermost portion arranged around the innermost portion. The innermost portion has a first effective dielectric constant and outermost portion has a second, different effective dielectric constant.

Abstract: This invention discloses a hierarchical switching fabric and deadlock avoidance method for ultra high radix network routers. The hierarchical switching fabric comprises a network-on-chip and K multi-port components. The multi-port component comprises a port module configured to receive packets by a high speed serializer/deserializer, code and format the packets, send the packets to a corresponding hyper packet module after coding and format conversion, and send the packets sent by the hyper packet module to the network; and the hyper packet module configured to perform protocol processing for the received data link level packets, discard illegal packets, forward legitimate packets to the network-on-chip, perform data error correcting, format conversion and channel mapping for the packets received from the network-on-chip, and send the packets to the corresponding port module.

Abstract: A GUI testing device may be configured to execute a testing state machine for interacting with a software application to generate an initial screen of a GUI. The GUI testing device may be configured to determine a current state in the testing state machine based upon a matching trigger target in the initial screen to a given state. The current state may include an operation, and the operation may associate with a trigger target to operate on. The trigger may include a source state, a destination state, and a trigger target. The operation may include a user input operation, and an operation trigger target. The GUI testing device may be configured to perform the operation on the matching trigger target in the initial screen to generate a next screen of the GUI, and advance from the current state to a next state based upon the trigger.

Abstract: A horn antenna includes a waveguide portion and an antenna portion operably connected with the waveguide portion. The waveguide portion has a feed port. The antenna portion is arranged to receive a linearly polarized signal from the waveguide portion and to convert the received linearly polarized signal to a circularly polarized signal for transmission.

Abstract: A power module and a manufacturing method thereof are disclosed. The power module includes a substrate, a power device, a leading component and a molding component. The substrate includes a first side, a second side and a conductive wire. The power device is disposed on the substrate and electrically connected with the conductive wire. The leading component is disposed on the substrate and includes a first horizontal portion and a vertical portion connected with each other. The vertical portion is electrically connected with the conductive wire. The leading component includes a first contact surface and a second contact surface, which are non-coplanar. The molding component is disposed on the substrate and covers at least portion of the substrate and at least portion of the leading component. The first contact surface and the second contact surface are uncovered by the molding component.

Abstract: A horn antenna includes a waveguide portion and an antenna portion operably connected with the waveguide portion. The waveguide portion has a feed port. The antenna portion is arranged to receive a linearly polarized signal from the waveguide portion and to convert the received linearly polarized signal to a circularly polarized signal for transmission.

Abstract: A parallel-plate antenna or antenna array suitable for operation at millimeter wave frequencies. The antenna includes an antenna element having a ground plane with a slot and a pair of parallel plates connected to the ground plane. The parallel plates extend generally perpendicularly from the ground plane. In plan view, the slot is arranged between the parallel plates. The antenna also includes a feed operably coupled with the slot for feeding the slot during operation so as to generate a circularly polarized signal for radiation.

Abstract: A power module and a manufacturing method thereof are disclosed. The power module includes a substrate, a power device, a leading component and a molding component. The substrate includes a first side, a second side and a conductive wire. The power device is disposed on the substrate and electrically connected with the conductive wire. The leading component is disposed on the substrate and includes a first horizontal portion and a vertical portion connected with each other. The vertical portion is electrically connected with the conductive wire. The leading component includes a first contact surface and a second contact surface, which are non-coplanar. The molding component is disposed on the substrate and covers at least portion of the substrate and at least portion of the leading component. The first contact surface and the second contact surface are uncovered by the molding component.

Abstract: Embodiments of the present disclosure provide a flexible base material, a preparation method of the flexible base material, a flexible substrate and a preparation method of the flexible substrate. The flexible base material includes: a host flexible material; and carriers dispersed in the host flexible material and having magnetic particles adsorbed thereon, and the carriers have organophilic functional groups on their surface.

Abstract: The invention discloses a plotting method for a three-dimensional time-space diagram showing a regional green-wave coordinated control effect. The plotting method includes the following steps: establishing a coordinate system of the three-dimensional time-space diagram; determining a specific position coordinate of each intersection in the coordinate system of the three-dimensional time-space diagram; generating a time prism of a signal timing plan of each intersection; determining a green-wave bandwidth of each arterial road; and generating a driving trajectory between the intersections, and making a green-wave band of each arterial road, and completing plotting.

Abstract: A method and system for constructing a lightweight container-based user environment (CUE), and a medium, the method including: preparing, by a main process, for communication, cloning a child process, and then becoming a parent process; elevating, by the child process, permission, executing namespace isolation, and cloning a grandchild process, and setting, by the parent process, cgroups for the grandchild process; and setting, by the grandchild process, permission of the grandchild process to execute a command and a file, preparing an overlay file system, setting a hostname, restricting permission, and executing an initialization script to start the container. Multiple users are allowed to customize their own environments, enabling the users to customize their environments more flexibly, achieving privacy isolation, and making it easier and more secure to update a system. Therefore, it is particularly applicable to a high-performance computing cluster.

Abstract: Various embodiments provide a fault diagnosis method and an apparatus. In those embodiments, a centralized management apparatus receives a first packet from a first network device by using a first IGP monitoring protocol session, where the first packet includes a first message sent by the first network device to a second network device. The centralized management apparatus receives a second packet from the second network device through a second IGP monitoring protocol session, where the second packet includes a second message sent by the second network device to the first network device. The centralized management apparatus performs fault diagnosis based on the first packet and the second packet.

Abstract: A power module and a manufacturing method thereof are disclosed. The power module includes a first board, a magnetic component, a second board and a power device. The first board includes a conductive component disposed between a first side and a second side opposite to each other. The magnetic component is disposed between the first side and the second side and includes a magnetic core and a winding. A first conductive terminal and a second conductive terminal are led out on the first side and the second side, respectively. The second board is disposed on the first board and includes a third side and a fourth side opposite to each other. The fourth side faces the first side. The power device is disposed on the third side of the second board and electrically connected to the first board.

Abstract: the present disclosure relates to an embedded packaging module comprising a first semiconductor device, a first packaging layer and a first wiring layer, the first semiconductor device having a first and a second face, at least two positioning bulges and at least one bonding pad being provided on the first face of the first semiconductor device; the first packaging layer being formed on both the first face and a surface adjacent to the first face, the positioning bulges being positioned in the first packaging layer, at least one first via hole being provided in the first packaging layer, the bottom of the first via hole being positioned in the bonding pad and contacting with the bonding pad; the first wiring layer being positioned on the side of the first packaging layer away from the first semiconductor device and being electrically connected with the bonding pad through the first via hole.

Abstract: The embodiments of the present disclosure relate to a power package module of multiple power chips and a method of manufacturing a power chip unit. The power package module of multiple power chips includes: a power chip unit including at least two power chips placed in parallel and a bonding part bonding the two power chips; and a substrate supporting the power chip unit and including a metal layer electronically connecting with the power chip unit, wherein the bonding part is made from an insulated material with cohesiveness, the distance of a gap between the two power chips placed in parallel is smaller than or equal to a preset width, and the bonding part is filled in the gap, insulatedly bonding the two power chips placed in parallel, and wherein side surfaces of the two power chips are naked except the portions contacting the bonding part.

Abstract: The embodiments of the present disclosure relate to a power package module of multiple power chips and a method of manufacturing a power chip unit. The power package module of multiple power chips includes: a power chip unit including at least two power chips placed in parallel and a bonding part bonding the two power chips; a substrate supporting the power chip unit and including a metal layer electronically connecting with the power chip unit; and a sealing layer isolating the power chip unit on the substrate from surroundings to seal the power chip unit; the bonding part and the sealing layer are made from different insulated material, the distance of a gap between the two power chips placed in parallel is smaller than or equal to a preset width, and the bonding part is filled in the gap, insulatedly bonding the two power chips placed in parallel.