Abstract: Disclosed are methods, systems, devices, apparatus, media, and other implementations, including a method for digital predistortion for a power amplifier system. The method includes determining one or more system characteristics for the power amplifier system comprising at least a power amplifier that produces output with non-linear distortions, with the one or more system characteristics corresponding to an estimate for a complex load metric for the power amplifier system coupled to a load. The method further includes determining, based on the one or more system characteristics corresponding to the estimate for the complex load metric, digital predistortion (DPD) coefficients to compensate for the nonlinear behavior of the power amplifier system.

Abstract: The present disclosure provides a method and a catalyst for selective oligomerization of ethylene. The raw material for the catalyst consists of a dehydropyridine annulene-type ligand, a transition metal compound, and an organometallic compound in a molar ratio of 1:0.5-100:0.1-5000. The present disclosure also provides a method for selective oligomerization of ethylene accomplished by using the above-mentioned catalyst. The catalyst for selective oligomerization of ethylene has high catalytic activity, high selectivity for the target products 1-hexene and 1-octene, and low selectivity for 1-butene and 1-C10+.

Abstract: The present disclosure provides a fingerprint recognition unit and a fabrication method thereof, a fingerprint recognition module and a display device. The fingerprint recognition unit includes: a bearing substrate; a receiving electrode layer on the bearing substrate; a piezoelectric material layer on a side of the receiving electrode layer away from the bearing substrate; and a driving electrode layer on a side of the piezoelectric material layer away from the receiving electrode layer. A density of the driving electrode layer is greater than 5 g/cm3, and a thickness of the driving electrode layer, a thickness of the piezoelectric material layer and a thickness of the bearing substrate are configured such that a vibration nodal plane of the piezoelectric material layer is within the piezoelectric material layer.

Abstract: A cooking utensil (100) includes a pan body (1), a cover body (2), and an induction coil (3). The pan body (1) is provided with a first electromagnetism conductive loop (11) and a first electric conductive heating strip (12) which are connected to form a closed circuit. The cover body (2) is provided with a second electromagnetism conductive loop (21) and a second electric conductive heating strip (22) which are connected to form a closed circuit. The induction coil (3) corresponds to the first electromagnetism conductive loop (11) and the second electromagnetism conductive loop (21).

Abstract: The present invention provides a smart mobile vehicle comprising a vehicle body, a chassis, driving wheels, a battery module, a plurality of motors and a vehicle control unit. The chassis has a suspension system, a brake system and a steering system. The two driving wheels are composed of a plurality of circular units, and the driving wheels are embedded in two-wheel frames on two sides of the vehicle body. The battery module provides the smart mobile vehicle with driving power. The plurality of motors disposed between the two circular units or on a surface of any one of the circular units; wherein the motors are electrically connected to the battery module, and the torque and directional outputs of the motors is used to drive the rotation of the two driving wheels. The vehicle control unit is electrically connected to the motors and the battery module to transmit a monitoring signal.

Abstract: Embodiments of the present disclosure provides a display panel, a display device and a display method. The display panel includes a display substrate and a package substrate, the display substrate includes a pixel region, the package substrate includes frames and a light transmission region surrounded by the frames, wherein a plurality of pixel units are disposed in the pixel region of the display substrate; a length L of the pixel region of the display substrate is greater than a distance D between the frames of the package substrate at least in a first direction; and an orthographic projection of the pixel region on the display substrate at least partially covers an orthographic projection of the light transmission region on the display substrate.

Abstract: Disclosed are redox flow battery membranes, redox flow batteries incorporating the membranes, and methods of forming the membranes. The membranes include a polybenzimidazole gel membrane that is capable of incorporating a high liquid content without loss of structure that is formed according to a process that includes in situ hydrolysis of a polyphosphoric acid solvent. The membranes are imbibed with a redox flow battery supporting electrolyte such as sulfuric acid and can operate at very high ionic conductivities of about 100 mS/cm or greater. Redox flow batteries incorporating the PBI-based membranes can operate at high current densities of about 100 mA/cm2 or greater.

Abstract: A stereoscopic image display apparatus includes a display module, a backlight module, and an image algorithm. The display module includes a display surface. The display module is configured to turn on a plurality of pixels that are required to be used and turn off a plurality of pixels that are not required to be used. The backlight module is disposed at one side of the display module away from the display surface. The backlight module includes a plurality of light sources. A plurality of un-reconstructed images displayed by the display surface are configured to be reassembled into a plurality of integrated images to form a plurality of stereoscopic images through the light sources and the pixels that are required to be used.

Abstract: A system includes a plurality of masks and a scanner device. A pattern of a semiconductor device is defined by each of the plurality of masks in a photolithography process. A first mask of the plurality of masks includes a first identification code configured to distinguish the first mask from remaining masks of the plurality of masks. The scanner device is configured to read the first identification code to select the first mask from the plurality of mask, in order to form the pattern of the semiconductor device on a substrate according to the first mask.

Abstract: The present disclosure provides a display device and a driving method. The display device includes a display panel and a backlight module, where the display panel includes a plurality of display regions, the backlight module includes x light sources, each of the plurality of display regions corresponds to one of the light sources, each of the light sources includes a plurality of light emitting units which emit light of different colors, and x is a positive integer not smaller than 2. The driving method includes, after loading data signals to subpixels in one of the display regions, turning on a light emitting unit corresponding to the one of the display regions and at the same time, loading datap signals to subpixels in a next one of the display regions which is adjacent to the one of the display regions.

Abstract: A screw supplying module includes a main body, a feeding body and a holding module. The main body includes a second portion, a third portion and a hollow part. The holding module includes a screw chamber, a plurality of clamping pieces, an elastic piece and a fixing piece. The screw chamber includes an input portion, an outer ring wall and an inner space. The plurality of clamping pieces are inserted into the plurality of holes respectively. Accordingly, the plurality of clamping pieces are partially located in the inner space and are partially exposed from the holes of the screw chamber. The elastic piece is sleeved on the outer ring wall, and the elastic piece abuts against the part of the plurality of clamping pieces exposed from the holes. The fixing piece is sleeved on the outer ring wall and is configured to fix the elastic piece.

Abstract: A method for correcting audio data during dual wireless communication, includes: a first wireless device (102) sequentially receiving a plurality of audio data packets sent by a wireless audio source device (101); a second wireless device (103) sequentially monitoring the plurality of audio data packets sent by the wireless audio source device (101); the second wireless device (103) feeding back information about the audio data packets not been properly monitored by the second wireless device (103) to the first wireless device (102); the first wireless device (102) identifying the audio data packets not been properly monitored by the second wireless device (103) among the plurality of audio data packets; and after receiving the plurality of audio data packets, the first wireless device (102) forwarding the audio data packets not been properly monitored by the second wireless device (103) to the second wireless device (103).

Abstract: A method includes providing a structure having a gate stack; first gate spacers; a second gate spacer over one of the first gate spacers and having an upper portion over a lower portion; a dummy spacer; an etch stop layer; and a dummy cap. The method further includes removing the dummy cap, resulting in a first void above the gate stack and between the first gate spacers; removing the dummy spacer, resulting in a second void above the lower portion and between the etch stop layer and the upper portion; depositing a layer of a decomposable material into the first and the second voids; depositing a seal layer over the etch stop layer, the first and the second gate spacers, and the layer of the decomposable material; and removing the layer of the decomposable material, thereby reclaiming at least portions of the first and the second voids.

Abstract: Methods, systems, and storage media are described for bandwidth part (BWP) switching delays for new radio (NR). Other embodiments may be described and/or claimed.

Abstract: The present disclosure provides a method and a device for indicating PT-RS port for non-codebook-based uplink PUSCH transmission, and a base station. The method includes: determining a number of bits of a PTRS-DMRS association in a DCI to be transmitted according to a number of SRS resources, a number of PT-RS ports, and a maximum uplink rank number supported by a UE; and transmitting the DCI to the UE, wherein the DCI carries indication bits which have a same number with the bits and apply to indicate an association relationship between the PT-RS ports and the DMRS ports. The present disclosure realizes indication of association relationships between PT-RS ports and DMRS ports in the event of multiple PT-RS ports.

Abstract: A data annotation apparatus for machine learning is provided, which includes a stimulus generation portion, a biometrics reading portion, and a data integration portion. The stimulus generation portion is configured to generate, and present to an agent, at least one stimulus based on a first data from a first machine learning dataset. The biometrics reading portion is configured to measure at least one response of the agent to the at least one stimulus, and to generate biometrics data based on the at least one response. The data integration portion is configured to integrate the biometrics data, data of the at least one stimulus, and data of the first machine learning dataset to thereby obtain a second machine learning dataset. The data annotation apparatus can result in an improved data labeling and an enhanced machine learning.

Abstract: Disclosed is a type of borosilicate glass, the composition of which, based on oxides, contains the following components by weight percentage (wt %): 2.0 wt %-5.0 wt % of TiO2, 0.25 wt %-2.5 wt % of CeO2 and 0.25 wt %-3.0 wt % of Y2O3, and does not contain any iron compound, such as ferric oxide. The glass has better UV resistance and alkaline resistance properties, and a better light transmission rate, and is particularly suitable for use in the field of pharmaceutical packaging materials.

Abstract: Methods and systems provide synchronized sharing of multimedia between multiple devices. The multiple devices may form an ad-hoc network for sharing of multimedia. In an embodiment, group members may have playlist manipulation privileges such as pausing, rewinding, fast forwarding, or adding tracks to the playlist. A system may stream or distribute content according to the shared playlist. Playback may be synchronized for group members so that everyone is exposed to a same part of the content as the same time.