Abstract: The present application relates to an anti-tumor compound and a preparation method and use thereof, and in particular to a compound or a tautomer, a mesomer, a racemate, an enantiomer or a diastereoisomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, and a preparation method and use thereof.

Abstract: A LiDAR system is provided. The LiDAR system comprises a plurality of transmitter channels and a plurality of receiver channels. The plurality of transmitter channels are configured to transmit a plurality of transmission light beams to a field-of-view at a plurality of different transmission angles, which are then scanned to cover the entire field-of-view. The LiDAR system further comprises a collection lens disposed to receive and redirect return light obtained based on the plurality of transmission light beams illuminating one or more objects within the field-of-view. The LiDAR system further comprises a plurality of receiver channels optically coupled to the collection lens. Each of the receiver channels is optically aligned based on a transmission angle of a corresponding transmission light beam. The LiDAR system further comprises a plurality of detector assemblies optically coupled to the plurality of receiver channels.

Abstract: A hearing aid configured to be worn by a user comprises an input processing unit comprising at least one input transducer for providing at least one input audio signal representative of sound, the input processing unit providing at least one processed input audio signal in dependence of said at least one input audio signal; a sound scene analyzer for analyzing said sound in said at least one input audio signal and providing a sound scene control signal indicative of a current sound environment; a notification unit configured to provide a notification signal in response to a notification request signal indicative of a request for conveying a specific message to the user; an output processing unit for presenting stimuli perceivable as sound to the user in dependence of said at least one processed input audio signal and said notification signal. The notification signal is determined in response to said notification request signal and the sound scene control signal.

Abstract: An image processing method is provided, the method includes: performing area division on an input image to obtain a plurality of sub-images; determining a part of the plurality of sub-images as an image to be output; stitching respective sub-images of the image to be output to obtain a stitched image; and transmitting the stitched image, wherein the stitched image is smaller than the input image. An image jointing method is provided, the method includes: receiving a stitched image obtained by the image processing method according to the present disclosure; extracting respective sub-images of an image to be output from the stitched image; and jointing the respective sub-images to obtain a display image, wherein the jointing the respective sub-images refers to obtaining the display image by an operation inverse to a stitching process of stitching the respective sub-images to obtain the stitched image.

Abstract: Disclosure is a multi-voltage battery pack which includes: a housing, battery strings disposed inside the housing and including a plurality of battery cells, a battery interface disposed on the housing for use with the power tool, and a converting assembly disposed within the housing and electrically connected to the battery strings. The converting assembly has a first state, a second state, and a third state. The multi-voltage battery pack can separately output a first operating voltage, a second operating voltage, and a third operating voltage. The third operating voltage is greater than the second operating voltage, and the second operating voltage is greater than the first operating voltage.

Abstract: A rotary imaging device for wheels and an automobile are disclosed. The rotary imaging device for wheels includes a housing matched with the wheels, and a processing component, a display component and a power supply that are installed in the housing, the processing component being electrically connected with the display component and the processing component and the display component being both electrically connected with the power supply. The processing component is configured to send received or read to-be-displayed content to the display component after preset processing, and the display component is configured to display the to-be-displayed content sent by the processing component. According to the rotary imaging device for wheels and the automobile, images or videos can be formed through rotation of the wheels.

Abstract: A method for determining an academic impact, including: pre-processing a citing paper to obtain pre-processed data; determining a category of an impact, on the citing paper, of each reference paper and ranking of contribution, to the citing paper, of each reference paper, according to the pre-processed data; determining a local influential factor, on the citing paper, of each reference paper, according to the category of the impact and the ranking of the contribution of each reference paper; and determining a global influential factor of each reference paper according to a global influential factor of the citing paper and the local influential factor.

Abstract: The disclosure provides a charger, a charging device, an energy supply device and a control method of the charger. The charger comprises a housing, a charging position, a charging port and a first heat dissipation unit. The charger comprises a base and a supporting part. The supporting part is arranged on the base. The charging position is arranged on the base and distributed around the supporting part. The charging port is arranged on the charging position and matched with a battery pack. The first heat dissipation unit is arranged on the supporting part for heat dissipation of the battery pack. With the charger of the disclosure, multiple battery packs can be charged at the same time.

Abstract: Disclosed herein is a piezoresistive pressure sensor, including: a continuous piezoresistive foam layer; an electrode array layer, on one side of which the continuous piezoresistive foam layer is disposed; and an artificial leather layer as cover layer, which is disposed on the continuous piezoresistive foam layer; where the continuous piezoresistive foam layer is made by doping the foam with conductive materials. The piezoresistive pressure sensor can provide overall 2D-pressure mapping in a large area and has good flexibility and reliability to be combined with soft surfaces.

Abstract: The present application relates to an anti-tumor compound and a preparation method and use thereof, and in particular to a compound or a tautomer, a mesomer, a racemate, an enantiomer or a diastereoisomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, and a preparation method and use thereof.

Abstract: A method and apparatus for determining driving scene, and a vehicle are provided. The method includes: acquiring current driving data collected by a preset collection component; comparing the current driving data with a preset driving data threshold; and determining a current driving scene according to a comparison result between the current driving data and the threshold.

Abstract: The present application relates to an anti-tumor compound and a preparation method and use thereof, and in particular to a compound or a tautomer, a mesomer, a racemate, an enantiomer or a diastereoisomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, and a preparation method and use thereof.

Abstract: A method for harmonic trapping in a matching network of a power amplifier includes determining primary inductance and secondary inductance of a differential transformer of the matching network, based on a signal operating frequency of the power amplifier. An inductance value for an L-C filter is determined based on the secondary inductance and a harmonic frequency of a local oscillator (LO) signal. A capacitance value for the L-C filter is determined based on the inductance value and the harmonic frequency of the LO signal. The L-C filter is provided on an electric connection between a direct current (DC) bias voltage source and a secondary inductor of the differential transformer. The L-C filter is configured with the determined inductance value and the determined capacitance value.

Abstract: A wireless communication device can include switch circuitry. The switch circuitry can include stacks having a common gate node and a common body node, wherein a stack includes a metal-oxide-semiconductor field-effect transistor (MOSFET) having a body resistive element coupled to a body terminal of the MOSFET and the common body node a gate resistive element coupled to a gate terminal of the MOSFET and the common gate node. The switch circuitry can further include a self-biased MOSFET coupled to the common gate node and the common body node, a gate of the self-biased MOSFET configured to receive direct current (DC) bias with a low pass filter.

Abstract: During a power-on self-test (POST), a basic input/output system (BIOS) retrieves an attribute value associated with the persistent memory device, and compares the attribute value to a default value. In response to the attribute value matching the default value, the BIOS may determine that a firmware management protocol was not executed during a previous POST. In response to the attribute value not matching the default value, the BIOS may compare the attribute value to a current firmware version of firmware within the persistent memory device.

Abstract: A method, device and computer readable medium are provided for determining the closing time of a circuit breaker. In an embodiment, the method includes: sampling a voltage signal of a target phase in the three-phase voltage signal of the circuit breaker; determining a first time period according to a voltage value of the sampled voltage signal, a voltage signal in the first time period including a voltage jump point of the voltage value; finding a voltage jump point of a voltage value in the first time period according to a change in the voltage value of the voltage signal in the first time period; and determining the closing time of a target phase of the circuit breaker according to the found sampling time of the voltage jump point.

Abstract: A wireless communication device can include modem circuitry to connect the UE to a repeater over a side-link connection. The device can also include processing circuitry to control a repeater beamforming process to select a beam angle from the repeater to a base station and initiate a communication procedure using the selected beam angle. Other methods, systems and apparatuses are described.

Abstract: A data transmission method includes: capturing, by a virtual reality host, a portion of an image to be transmitted in a preset area to obtain a first image, and compressing, by the virtual reality host, a portion of the image to be transmitted in a dispaly area to obtain a second image, wherein the preset area is a portion of the display area (S101); transmitting, by the virtual reality host, the first image and the second image to a virtual reality apparatus in a certain order (S102); receiving the first image and the second image by the virtual reality apparatus (S103); stretching the second image by the virtual reality apparatus, and merging the first image with a stretched second image by the virtual reality apparatus to obtain an image to be displayed (S104); and displaying the image to be displayed by the virtual reality appartus (S105).

Abstract: A hub rotation imaging control system, includes a power management unit, which can output required direct current for other units; a parameter monitoring unit, which can monitor surrounding environment data of the hub and vehicle driving data; a main control management unit, which can receive the environment data and vehicle driving data monitored by the parameter monitoring unit, and generate video data and control instructions according to the environment data and vehicle driving data; and a data processing unit, which can receive the video data and control instructions generated by the main control management unit, and output drive signals to drive hub imaging.

Abstract: An on-chip transformer circuit is disclosed. The on-chip transformer circuit comprises a primary winding circuit comprising at least one turn of a primary conductive winding arranged as a first N-sided polygon in a first dielectric layer of a substrate; and a secondary winding circuit comprising at least one turn of a secondary conductive winding arranged as a second N-sided polygon in a second, different, dielectric layer of the substrate. In some embodiments, the primary winding circuit and the secondary winding circuit are arranged to overlap one another at predetermined locations along the primary conductive winding and the secondary conductive winding, wherein the predetermined locations comprise a number of locations less than all locations along the primary conductive winding and the secondary conductive winding.