Abstract: Disclosed are porous elements that include sintered polymeric particles. The polymeric particles can be formed of a thermoplastic composition that includes a polyarylene sulfide. The polymeric particles sintered to form the porous elements have a very narrow size distribution. The porous elements can maintain their functionality and morphology even when utilized in high temperature applications.

Abstract: In an embodiment, a communication method includes: performing a receiving method by a receiving device including a visible light camera module that is capable of capturing invisible light emitted by an invisible light signal emitter of a sending device. The receiving method includes: broadcasting a camera frame rate; capturing, by the visible light camera module, a plurality of frames at the camera frame rate, wherein each frame includes a corresponding area caused by a corresponding signal pulse of a portion of signal pulses, and the signal pulses are emitted by the invisible light signal emitter at a signal pulse rate substantially same as the camera frame rate; detecting the corresponding area in each frame; and labeling the corresponding area in each frame, to obtain a coding pattern corresponding to a signal pulse pattern, and decoding the coding pattern, to identify a data sequence.

Abstract: Embodiments of the present invention relate to the field of wireless communication, and in particular, to a wireless local area network data transmission method and apparatus, which are used for improving data transmission efficiency. The method of the embodiments of the present invention includes: carrying, by a control domain of a PLCP header domain in a PPDU constructed by an AP, identifier information of the AP, duration information, and an identifier of at least one STA, so that a STA may obtain the identifier information of the AP, the duration information, and the identifier of at least one STA by parsing only the control domain of the PLCP header domain.

Abstract: Methods of the present disclosure provide for detection of mutations and splice variants of the androgen receptor using a non-invasive approach, RNAseq, for examining circulating tumor cells.

Abstract: A formation method for liquid rubber composite nodes with middle damping holes is provided. The formation method includes adding a middle spacer sleeve between an outer sleeve and a mandrel, bonding the middle spacer sleeve and the mandrel together through rubber vulcanization, and assembling the integrated middle spacer sleeve and the mandrel into the outer sleeve; forming damping through holes which penetrate through the mandrel on the mandrel; hollowing the middle spacer sleeve to form a plurality of spaces; after vulcanization, forming a plurality of interdependent liquid cavities by using rubber and the plurality of spaces; and arranging liquid in the plurality of liquid cavities and communicating the plurality of liquid cavities through the damping through holes.

Abstract: Embodiments of this application disclose an optical bus communication method, including: A first terminal obtains first control information from a controller, where the first control information is generated by the controller and is used to control an execution mechanism to work. The first terminal sends the first control information to a central office over a first section, so that the central office forwards the first control information to a second terminal, where the second terminal is connected to the execution mechanism. The first terminal obtains first state information from the central office, where the first state information is used to record a working state of the execution mechanism, the first state information is information sent by the second terminal to the central office over a second section after the second terminal obtains the first control information, and the first section does not overlap with the second section.

Abstract: A system and method for path and/or motion planning and for training such a system are described. In one aspect, the method comprises generating a sequence of predicted occupancy grid maps (OGMs) for T?T1 time steps based on a sequence of OGMs for 0?T1 time steps, a reference map of an environment in which an autonomous vehicle is operating, and a trajectory. A cost volume is generated for the sequence of predicted OGMs. The cost volume comprises a plurality of cost maps for T?T1 time steps. Each cost map corresponds to a predicted OGM in the sequence of predicted OGMs and has the same dimensions as the corresponding predicted OGM. Each cost map comprises a plurality of cells. Each cell in the cost map represents a cost of the cell in corresponding predicted OGM being occupied in accordance with a policy defined by a policy function.

Abstract: A real-time service playback method includes, during running a real-time service, in response to receiving an input instruction, obtaining a playback speed and a time coordinate of a first anchor point, the time coordinate of the first anchor point being a start point of playback, and in response to the input instruction, stopping playing a real-time content of the real-time service, based on the time coordinate of the first anchor point, calculating a time coordinate of a second anchor point in future, and reading and storing a real-time content between a time coordinate value of the first anchor point and a time coordinate value of the second anchor point to play according to the playback speed until the playback reaches the time coordinate value of the second anchor point to resume the real-time service. The time coordinate of the second anchor point is an end point of the playback.

Abstract: A WLAN system resource indication method and apparatus are provided. The method includes: generating, by an access point, a frame that carries resource indication information; and sending, to multiple stations, the frame that carries the resource indication information. The resource indication information includes multiple pieces of sub resource indication information. Correspondingly, each piece of the sub resource indication information uniquely corresponds to one of the multiple stations. Therefore, a station side does not need read the entire resource indication information, so as to reduce resource overheads and improve efficiency.

Abstract: A horizontally arranged six-degree-of-freedom constant-stiffness mechanism is provided, and includes an upper platform, a bottom plate, three composite spherical hinges, spherical hinges, support rods, guide rail slider assemblies, and six electromagnetic adjustable stiffness units. Two ends of a shaft on which a permanent magnet is fixed in each electromagnetic adjustable stiffness unit are fixed to the bottom plate via shaft supports. Axially moving housings of electromagnetic adjustable stiffness units are fixed on sliders of the guide rail slider assemblies via slider backing plates respectively. Guide rail slider assembles are fixed on the bottom plate. Tops of the housings are mounted with the spherical hinges respectively. A bottom of the upper platform is uniformly mounted with the composite spherical hinges. One end of each support rod is threadedly connected to a corresponding one of the spherical hinges, and another end is connected with a corresponding one of composite spherical hinges.

Abstract: A squeeze mode giant electrorheological fluid damper is disclosed. The squeeze mode giant electrorheological fluid damper comprises a support, a container and a connecting structure, wherein the support comprises a bottom plate, guide shafts and a top plate, the guide shaft is vertically fixed on the bottom plate, and the top plate is slidably arranged on the guide shaft; the container comprises a container body and two spiral spring pieces coaxially arranged in the container body, the container body is fixed on the bottom plate, the bottoms of the two spiral spring pieces are fixed to the bottom of the container, the two spiral spring pieces are not in contact with each other and are spaced by 180°; the top of the connecting structure is fixedly connected with the top plate, and the bottom of the connecting structure is fixedly connected with the tops of the two spiral spring pieces.

Abstract: Example communication methods and apparatus are described. One example communication method includes receiving first indication information by a first communications device from a network device, where the first indication information indicates a first resource for sidelink communication. The first communications device sends the first data to a second communications device. The first communications device receives second indication information from the network device, where the second indication information is used to determine a second resource for transmitting feedback information. The first communications device receives feedback information of the first data from the second communications device.

Abstract: The present disclosure provides a method and system for path planning of an unmanned vehicle in a three-dimensional terrain and relates to the technical field of path planning. The method includes building a random tree with an initial point of a to-be-planned path as a node; generating a random node based on a goal bias strategy and a multi-sampling strategy; determining a node in the random tree and with a minimum two-dimensional distance from the random node as a nearest node; determining a direction from the nearest node to the random node as an extension direction; determining a point corresponding to a preset step length as a to-be-determined node in the extension direction with the nearest node as a starting point; and updating the random tree or determining a path cut-off random tree through elevation detection and path search cut-off detection, so as to determine the to-be-planned path.

Abstract: Methods, computer readable media and systems for acoustic sensing are provided. The system for acoustic sensing includes an acoustic sensing controller configured to receive signals from an active noise cancellation earphone device. The acoustic sensing controller is further configured to process the signals to determine device wearing status acoustic characteristics and actively correct the signals in response to the device wearing status acoustic characteristics, the device wearing status acoustic characteristics including ear canal occlusion.

Abstract: Disclosed is an active control Stewart vibration damping platform, including a load-bearing platform, a base, and six telescopic rods. Each telescopic rod includes a driving motor, a rotating shall, a sleeve, and a moving rod. One end, away from the driving motor, of the rotating shaft is provided with a cylindrical cavity, one end of the moving rod penetrates through the cylindrical cavity, and the sleeve is sleeved outside the rotating shall. The rotating shaft is in running lit with the sleeve through a first bearing, and the moving rod is in sliding fit with the sleeve through a second bearing. The moving rod and the rotating shaft are respectively provided with a spiral permanent magnet. The spiral permanent magnet on the rotating shaft can drive the moving rod to move in an axial direction of the rotating shaft through the spiral permanent magnet on the moving rod when rotating.

Abstract: A broadcast signaling method performed by a network device having a protocol stack of with first and second protocol layers where the second protocol layer is below the first protocol layer, the method including generating, by the network device, first information at the first protocol layer, generating, by the network device, second information at the second protocol layer, where the second information is used to determine a time-frequency resource corresponding to one or more synchronization signal blocks (SSBs), processing, by the network device, the first information and the second information at the second protocol layer, and sending, by the network device to a terminal device by using a physical broadcast channel (PBCH) in the one or more SSBs, data obtained after second protocol layer processing.

Abstract: A semiconductor device and a method for manufacturing the same. The semiconductor device includes: a first gate-all-around (GAA) transistor disposed in the first region, including a first nanowire or nanosheet of at least one first layer, the at least one first layer and the substrate form a first group, among which all pairs of adjacent layers are separated by first distances, respectively; and a second GAA transistor disposed in the second region, including a second nanowire or nanosheet of at least two second layers, the at least two second layers and the substrate form a second group, among which the second layers are separated by second distances, respectively; where a minimum first distance is greater than a maximum second distance, and a quantity of the at least one first layer is less than a quantity of the at least two second layers.

Abstract: This application discloses a beam training method, a communication device, a chip system, and a storage medium. The method includes: performing, by a transmit device, clear channel assessment on sectors corresponding to an antenna of the transmit device; and sending, by the transmit device in a sector whose result of clear channel assessment is idle, a training signal to a receive device, where the training signal is used to perform beamforming training on the antenna. With this solution, beamforming training efficiency can be improved and resource utilization can be increased.

Abstract: A data transmission method and a related device. The method includes an OLT obtains a first uplink transmission parameter of a first terminal corresponding to a first ONU. Then the OLT determines, based on the first uplink transmission parameter, a cycle period for performing data transmission with the first ONU, where each cycle period includes an uplink time window and a downlink time window, the uplink time window includes a first uplink transmission timeslot used by the first ONU to send uplink data, and the downlink time window is used by the OLT to send downlink data. Then the OLT sends an uplink grant message to the first ONU.

Abstract: Systems and methods for simultaneously recovering and separate sounds from multiple sources using Impulse Radio Ultra-Wideband (IR-UWB) signals are described. In one embodiment, a device can be configured for generating an audio signal based on audio source ranging using ultrawideband signals. In an embodiment the device includes, a transmitter circuitry, a receiver circuitry, memory and a processor. The processor configured to generate a radio signal. The radio signal including an ultra-wideband Gaussian pulse modulated on a radio-frequency carrier. The processor further configured to transmit the radio signal using the transmitter circuitry, receive one or more backscattered signals at the receiver circuitry, demodulate the one or more backscattered signals to generate one or more baseband signals, and generate a set of data frames based on the one or more baseband signals.