Abstract: A calibration apparatus in a wavelength division multiplexing system includes a sending module configured to send a first detection signal to a first multiplexing device; a receiving module configured to receive the first detection signal that passes through the first multiplexing device, and receive a second detection signal that passes through the first multiplexing device and a second multiplexing device; and a processing module configured to adjust a center frequency of the first detection signal, so that an adjusted center frequency of the first detection signal is aligned with a center frequency of the first multiplexing device, and adjust a center frequency of the second detection signal and the center frequency of the first multiplexing device, so that the center frequency of the first multiplexing device is aligned with the center frequency of the second detection signal.

Abstract: A liquid crystal phase shifter is provided, and includes a first substrate and a second substrate opposite to each other, and a liquid crystal layer between the first substrate and the second substrate. The first substrate includes a first base plate and a first electrode layer at a side of the first base plate proximal to the liquid crystal layer. The second substrate includes a second base plate and a second electrode layer at a side of the second base plate proximal to the liquid crystal layer. The first electrode layer includes a main body structure having a first side and a second side opposite to each other with respect to a length direction of the main body structure, and a plurality of branch structures connected to at least one of the first side and the second side of the main body structure.

Abstract: A method or apparatus to improve sleep aid efficacy is described. The method comprises monitoring the sleeping patterns of a user utilizing a non-intrusive sleep monitoring device. The method further correlates the user's sleep quality and sleep quantity with use of the sleep aid. In one embodiment, the method adjusts the sleep aid based on the sleep statistics.

Abstract: The present disclosure illustrates a driver device and a driving method for a display panel. The driver device includes a source driver module, M positive output buffer modules, a positive input selection module, a positive output selection module, N negative output buffer modules, a negative input selection module and a negative output selection module. The driver device selects, according to the drive polarity and magnitude of the inputted drive signal, the corresponding positive output buffer module or negative output buffer module for data buffering of the display panel.

Abstract: This invention provides preparations, compositions, products, and applications of photo-crosslinked hydrogels. Component A—a photosensitive polymer derivative, component B—the photoinitiator, and auxiliary component C—other biocompatible polymer derivative each are respectively dissolved in a biocompatible medium to obtain solution A, solution B, and solution C. The solution A, the solution B, and the optional solution C are mixed homogenously to obtain a hydrogel precursor solution. The hydrogel precursor solution is subject to irradiation of the UV light for photocoupled crosslinking to form a photo-crosslinked hydrogel. The photo-crosslinked hydrogel exhibit rapid speed of photo-curing, strong tissue adhesion, excellent mechanical properties, good biocompatibility, and excellent clinical operability.

Abstract: A self-adaptive matching system for a magnetic-resonance wireless charging process includes a transmitting Bluetooth-communication and control circuit, a transmitting switching circuit, a regulator circuit, a transmitting antenna, a radio-frequency power amplifier circuit, a receiving Bluetooth-communication and control circuit, a receiving antenna, a receiving switching circuit and a rectifier and regulator circuit. The transmitting switching circuit, the regulator circuit and the transmitting antenna are connected to the transmitting Bluetooth-communication and control circuit, respectively. The radio-frequency power amplifier circuit is connected to the transmitting switching circuit and the regulator circuit, respectively. The regulator circuit is connected to the transmitting switching circuit. The receiving antenna, the receiving switching circuit and the rectifier and regulator circuit are connected to the receiving Bluetooth-communication and control circuit, respectively.

Abstract: The present disclosure provides a display panel, a method for manufacturing the same and a display device. The display panel includes a substrate and a plurality of pixels provided on the substrate, each of the pixels includes a display region and a transparent region, a light emitting device is provided in the display region, the display panel further includes a polarization layer provided in the display region and the transparent region, and at a light exiting side of the light emitting device departing from the substrate, a portion of the polarization layer located in the display region is configured to absorb external environment light, and another portion of the polarization layer located in the transparent region is configured to transmit the external environment light.

Abstract: Devices, systems and methods for encoding and decoding digital video using historical information containing coding candidates are described. In a representative aspect, a method for video processing includes maintaining one or more tables of motion candidates during a conversion between a current video block and a bitstream representation of a video including the current video block, determining that the current video block is coded using a merge mode or an Advanced Motion Vector Prediction (AMVP) mode, and performing, based on the determining, the conversion between the current video block of and the bitstream representation of the video using one or more tables of motion candidates.

Abstract: Disclosed is a banknote processing device and a banknote processing method. The banknote processing device includes an identification mechanism, an in-out mechanism, a loading box, a circulating box, a main passage, an auxiliary passage, an in-out passage, a loading passage, and a circulating passage. The auxiliary passage is of annular shape, and both ends of the main passage are each connected to the auxiliary passage. A banknote is allowed to move in a one-way direction along a preset direction in the auxiliary passage. The identification mechanism is disposed in the main passage. The in-out passage is connected between the main passage and the in-out mechanism. A first end of the circulating passage is connected to the main passage. A second end of the circulating passage is connected to the circulating box. A first end of the loading passage is connected to the auxiliary passage, and a second end of the loading passage is connected to the loading passage.

Abstract: An array substrate, a method of manufacturing the same, and a display device are provided. The array substrate includes a base substrate; a plurality of thin film transistors on the base substrate; and a plurality of light shielding layers on a side of the plurality of thin film transistors facing away from the base substrate, each thin film transistor includes an active layer, at least a portion of the active layer serves as a channel of the thin film transistor, and an orthogonal projection of each of the light shielding layers on the base substrate at least partially overlaps an orthogonal projection of the channel of one of the plurality of thin film transistors on the base substrate.

Abstract: A voltage regulation circuit includes a first comparison and control unit and a second comparison and control unit. The first comparison and control unit is connected to a first switch unit, determine a first bias voltage based on a first output voltage, a first reference voltage, and a second reference voltage, and control a value of an equivalent resistance of the first switch unit using the first bias voltage. The second comparison and control unit is connected to a third switch unit and the second switch unit, determine a second bias voltage based on the first output voltage, a second output voltage, and a third reference voltage, and control values of equivalent resistances of the third switch unit and the second switch unit using the second bias voltage.

Abstract: A method and a device for obstacle or ground recognition and flight control, and an aircraft. The method for obstacle or ground recognition includes: determining point cloud data of a region in front of an aircraft; dividing the region in front into several subareas, determining an altitude of each of the subregions based on the point cloud data in each of the subregions; performing linear fitting on the altitudes of the several subregions, and determining whether an obstacle and/or ground is present in the front region according to the fitting result.

Abstract: System and method embodiments are provided to achieve efficient Direct Mobile Communications (DMC) and device-to-device (D2D) communications for terminal based groups with improved spectrum efficiency, reduced interference, and virtual full duplex operation mode. The embodiments include a distributed mechanism for D2D communications that enables one or more cooperating UEs (CUEs) to help one or more target UEs (TUEs) with limited additional signaling overhead and relatively simple implementation. The mechanism comprises a grantless multi-dimensional multiplexing scheme that uses low density spreading (LDS) over time, frequency, and/or space domains to enable data forwarding between multiple half-duplex terminals or UEs while allowing the UEs to operate in virtual full-duplex mode.

Abstract: A flexible display panel and a preparation method thereof are provided. A composite substrate structure composed of a first polyimide layer, a water-oxygen barrier layer, a protective layer, and a second polyimide layer is prepared, and the protective layer covers a partial lateral side of the second polyimide layer in a non-display area and a lateral side of the water-oxygen barrier layer in the non-display area. Thus, the water and oxygen barrier property of the composite substrate structure is improved.

Abstract: A method and system including sensing a touch event on a touchscreen display of an electronic device, and changing a display layout rendered on the touchscreen display in response to determining that the touch event matches a stylus shaft gesture that corresponds to interaction of the stylus shaft with the touchscreen display. The stylus shaft may be located between a first end and a second end of a stylus.

Abstract: A positioning method applied to a mobile device having a sensor system and a positioning system includes determining that the mobile device is in a preset state; determining a speed reference value of the mobile device based on data detected by the sensor system; determining a position reference value of the mobile device based on preset map data and an estimated positioning value that is output by the positioning system; and correcting, based on the speed reference value and the position reference value, an estimated speed value and the estimated positioning value that are output by the positioning system.

Abstract: Methods, systems, and articles of manufacture configured to operate an aerial vehicle are provided. Various embodiments may be implemented with an aerial vehicle. In one exemplary implementation, a method of operating an aerial vehicle may include identifying, from image data, a set of predetermined features based on one or more invariant properties associated with the predetermined features. The predetermined features may be associated with predetermined physical locations. Based on the image locations of the predetermined features within the image data and the predetermined physical locations of the predetermined features, a system may be configured to determine at least one of a location and an orientation of the aerial vehicle. The disclosed embodiments may provide enhanced accuracy, usability, and robustness in tracking the location and orientation of an aerial vehicle under various operation conditions.