Abstract: This disclosure relates to a see-through display device, including: a collimated light source assembly, configured to form collimated light and control a light emitting direction; a first light extraction layer, configured to extract, in a collimated manner, the light ray transmitted inside the light guide plate through a light extraction outlet; an extinction layer and a second light extraction layer, wherein the extinction layer includes a light guide region and a light absorption region which are arranged alternately, and the second light extraction layer includes multiple light extraction inlets; a reflecting layer, arranged on a side, close to the light guide plate, of the second light extraction layer and configured to reflect the collimated light extracted from the light extraction outlet to the light guide plate; and a liquid crystal dimming layer. This disclosure further relates to a manufacturing method of the see-through display device.

Abstract: An AP receives a frame comprising an indication of a restricted target wake up time schedule service period (r-TWT SP) from a wireless device. The AP one or more of adjusts an r-TWP SP of the AP based on the indication of the r-TWT SP indicated in the received frame and announcing that an STA associated with the AP is to terminate a transmit opportunity (TXOP) before the r-TWT SP indicated in the received frame begins.

Abstract: A method of broadcasting a beacon by a relay device in a basic service set, including: receiving an announcement from a first device indicating whether the relay device is to forward a received beacon to a second device; receiving a beacon from the first device; and forwarding the beacon to the second device based upon the announcement.

Abstract: A warning device (100, 212, 301, 302, 510) for use in a luminaire (201, 410, 501), comprising a housing (110, 210, 310) accommodating a drive module (115, 215, 401, 402, 520) arranged to be coupled to a luminaire and to a mains voltage (260, 560). The drive module comprises a light source (120, 420) coupled to a switch (180, 380, 491, 492) and an electrical interface (140, 240) configured to electrically connect the drive module and the mains voltage to a light element (530) of the luminaire. The housing comprises a lid (130, 230, 330) operably coupled to the switch of the drive module and configured to activate the switch upon an opening of the lid for switching on the light source upon a current of the mains voltage passing in the electrical interface and deactivate the switch module upon a closing of the lid for switching off the light source.

Abstract: Embodiments of a method and apparatus for wireless communications are disclosed. In an embodiment, a wireless device includes a wireless transceiver configured to receive a first frame from a first wireless access point (AP) for multi-AP coordination that is not associated with the wireless device and a second frame from a second wireless AP for multi-AP coordination that is associated with the wireless device and a controller configured to set a network allocation vector (NAV) timer of the wireless device to a non-zero value in response to the first frame and the second frame. The wireless transceiver is further configured to transmit a physical protocol data unit (PPDU) to the second wireless AP even if the NAV timer of the wireless device is non-zero.

Abstract: An easy-to-assemble mounting rack for a deformation detection device for a steel structure and an assembling method thereof are provided. The easy-to-assemble mounting rack includes mounting parts including a back mounting plate, an operating rod, an adjusting seat, a ball-shaped block and an upright rod. The upright rod is vertically fixed at the bottom end face of the adjusting seat. A ball-shaped hole is formed in the adjusting seat. The ball-shaped block is rotatably embedded in the ball-shaped hole. A plug-in hole is formed in a radial direction of the ball-shaped block. One end of the operating rod slidably penetrates through the plug-in hole and is detachably connected with the back mounting plate. Screw holes directly opposite to the mounting holes of the deformation detection device are formed on the back mounting plate. The other end of the operating rod is fixedly sleeved with a counterweight plate.

Abstract: Various embodiments relate to a method for power save operation by a non-access point (non-AP) multi-link device (MLD), wherein a plurality of links are established between the non-AP MLD and an AP MLD, including: setting, by the non-AP MLD, a QoS capability for a first access category to a first state on all links of the plurality of links that the non-AP MLD operates; transmitting, by the non-AP MLD, a first management frame to the AP MLD, wherein the first management frame is used to request a multi-link setup with the AP MLD, and wherein the first management frame includes a first element that comprises the setting of the QoS capability for the first access category; receiving, by the non-AP MLD, a second management frame from the AP MLD, wherein the second management frame includes information for an association ID (AID) that corresponds to the non-AP MLD, wherein the AID is assigned to the non-AP MLD regardless of the number of links in the plurality of links; and receiving, by the non-AP MLD, a third m

Abstract: Embodiments of a method and apparatus for wireless communications are disclosed. In an embodiment, a method includes selecting backoff 20 MHz channels of an operating channel bandwidth (BW) of a Basic Service Set (BSS), and announcing to a second wireless device the operating channel BW of the BSS for use in communicating between the wireless device and the second wireless device, subchannels of the operating channel bandwidth, and backoff 20 MHz channels of each subchannel, wherein one subchannel is a primary subchannel and one subchannel is a non-primary subchannel. A data unit is transmitted to the second wireless device in a backoff 20 MHz channel of the non-primary subchannel.

Abstract: Embodiments of a method and apparatus for wireless communications are disclosed. In an embodiment, a wireless relay device includes a wireless transceiver configured to receive, from a first wireless device, a first multi-station (STA) block acknowledgement (BA) frame, and a controller configured to generate a second multi-STA BA frame in response to the first multi-STA BA frame. The wireless transceiver is further configured to transmit the second multi-STA BA frame to a second wireless device.

Abstract: Embodiments of a method and an apparatus for wireless communications are disclosed. In an embodiment, a method for wireless communications involves generating a Physical Layer Protocol Data Unit (PPDU) that includes a resource unit (RU), wherein a size of the RU is less than a signal bandwidth and wherein data corresponding to the RU is distributed onto a disjoint set of subcarriers included in a frequency unit, and transmitting the PPDU using the disjoint set of subcarriers in accordance with a power spectrum density (PSD) limit.

Abstract: Various embodiments relate to a method performed by a first wireless device for announcing operating capabilities to a second wireless device, wherein the first wireless device and second wireless device support a first protocol and a second protocol, including: announcing by the first device original capabilities to the second device; receiving an announcement of capabilities from the second device; receiving frames from the second device in PHY Protocol Data Units (PPDUs) following the first protocol and the second protocol; announcing by the first device a change in its capabilities to the second device; and receiving frames from the second device in PPDUs transmitted using the changed capabilities following the first protocol and the second protocol, wherein the change in the capabilities includes a change in a one of a puncture parameter, bandwidth parameter, mode and coding scheme (MCS) parameter, and a number of simultaneous streams (Nss) parameter.

Abstract: One example discloses a first-device: wherein the first-device is configured to be coupled to a second-device over an IEEE 802.11 communications link; and wherein the first-device is configured to, store a current setup between the first-device and the second-device; identify a unique identifier of the second-device; transmit a request frame to a third-device; wherein at least one of the second-device and third-device is a multi-link-device (MLD); wherein the request frame is configured to request an association with the third-device and includes the unique identifier of the second-device; receive a response frame from the third-device; and wherein the response frame includes an indication that request was successful.

Abstract: Embodiments of a method and apparatus for wireless communications are disclosed. In an embodiment, a wireless relay device includes a wireless transceiver configured to receive, from a first wireless device, communications data, and a controller configured to determine whether to forward the received communications data to a second wireless device.

Abstract: A method for acquiring a capsule seam image includes: acquiring a first image component, where the first image component includes an image component of a capsule seam in a preset channel; in the first image component, the image component of the capsule seam in the preset channel has step change; performing a highlighting process on the first image component according to an insertion direction from the capsule cap to the capsule body to obtain a second image component, where the second image component at least includes an enhanced capsule seam feature; and performing noise reduction and compensation on the second image component to obtain a target image component, where the target image component includes a complete outline of the capsule seam.

Abstract: Disclosed are a method and a device for processing an image, a storage medium, and a computing device. The method includes: acquiring a to-be-processed image, where the to-be-processed image at least includes a background and a pattern; converting the to-be-processed image into a first color space to obtain a first image component of the to-be-processed image in a first channel; converting the to-be-processed image into a second color space to obtain a second image component of the to-be-processed image in a second channel; and performing image fusion based on the first image component and the second image component to obtain a target image, where the pattern is similar to the background in terms of intensity in the target image.

Abstract: Provided are a translation model training method, a translation method, a device, and a storage medium, and relates to a field of computer technology, and in particular, to artificial intelligence fields such as natural language processing, machine translation and the like. The translation model training method includes: processing a sample document, to obtain an RST discourse structure tree in a dependency form of the sample document, a side in the RST discourse structure tree in the dependency form indicating an RST relationship in a discourse of the sample document; determining an attention mechanism of a translation model to be trained, based on the RST relationship in the RST discourse structure tree in the dependency form; and inputting the RST discourse structure tree in the dependency form and the sample document into the translation model to be trained for training, to obtain a trained translation model.

Abstract: A fabric and a leather product in which collagen fiber bundles form a network structure has a base yarn woven layer, and also has collagen fiber bundles. The collagen fiber bundles sheathed in the base yarn woven layer protrude on the surface of the base yarn woven layer, and the protruding collagen fiber bundles and their branches are interwoven to form a network structure, where a part of the branches in the collagen fiber bundle is sheathed on the base yarn so that at least one end of the branch protrudes from the base yarn braided layer. Leather products may include these fabrics and leather surface layers.

Abstract: This application relates to the field of communication technologies and discloses methods and apparatuses for using an unlicensed spectrum. An example method includes: obtaining information about a target unlicensed frequency band, and transmitting, based on the information about the target unlicensed frequency band, a signal on a supplementary uplink (SUL), where a spectrum of the SUL includes the target unlicensed frequency band. The information about the target unlicensed frequency band includes one or more of the following information: reference signal received power (RSRP), reference signal received quality (RSRQ), and a signal to interference plus noise ratio (SINR).

Abstract: In an embodiment a supplementary uplink (SUL) configuration method includes determining, by an access network device, a plurality of synchronization signal blocks (SSBs), wherein each of the plurality of SSBs comprises configuration information of one SUL and broadcasting, by the access network device, the plurality of SSBs on a downlink.

Abstract: The present disclosure provides a method for in-situ synthesizing tungsten carbide powder. In this method, cemented carbide scrap is used as an electrode and the molten salt electrolysis process is used to in-situ synthesize tungsten carbide powder, where a bidirectional pulse is used in the molten salt electrolysis process. In the method provided by the present disclosure, by using the bidirectional pulse and using the cemented carbide scrap as electrode in the molten salt medium, when the tungsten carbide scrap is oxidized, tungsten is dissolved in ionic form, deposited after the direction of current changes, and reacted with the carbon anode sludge in situ to generate tungsten carbide powder.