Abstract: A power amplifier includes an active device and an output matching circuit operably connected with the active device. The output matching circuit includes a bandpass impedance transformer, in particular, a multimode bandpass impedance transformer. The multimode bandpass impedance transformer may include a multimode resonator and coupling feed lines.

Abstract: Compositions for and methods of preventing, reversing or treating viral infection-induced organ failure provided. The compositions are also suitable for treating and/or preventing COVID-19 and influenza. The compositions and methods employ MG53, which can be in the form of recombinant human MG53. The MG53 may also be administered as a composition that expresses and releases MG53 after in vivo administration of said composition to a subject.

Abstract: Compositions for and methods of preventing, reversing or treating viral infection-induced organ failure provided. The compositions are also suitable for treating and/or preventing COVID-19 and influenza. The compositions and methods employ MG53, which can be in the form of recombinant human MG53. The MG53 may also be administered as a composition that expresses and releases MG53 after in vivo administration of said composition to a subject.

Abstract: A model selection method and a terminal are provided. The method includes: A terminal obtains first behavior data generated when a user operates the terminal. The terminal selects a first model from a plurality of stored models. The terminal runs the first model by using the first behavior data as an input parameter of the first model, to obtain a first output result. The terminal provides a first artificial intelligence AI service based on the first output result. When the first model does not meet a condition, the terminal selects a second model from the plurality of models. The terminal runs the second model by using second behavior data as an input parameter of the second model, to obtain a second output result. The terminal continues to provide the first AI service based on the second output result.

Abstract: The present application relates to the technical field of glue application and in particular, to an apparatus for producing a battery module. The apparatus comprises a frame, a glue application device, a module height measuring device and a glue amount control device. The glue application device is installed on the frame. The module height measuring device is used for measuring height differences between a plurality of battery cells in the battery module. The glue amount control device is coupled to both the module height measuring device and the glue application device. The glue amount control device is arranged to control the amount of glue applied by the glue application device to the plurality of battery cells according to the height differences determined by the module height measuring device.

Abstract: A Doherty power amplifier circuit having a main power amplification device, an auxiliary power amplification device arranged in parallel with the main power amplification device, and a load modulation circuit comprising a harmonic injection circuit connected with respective outputs of the main power amplification device and the auxiliary power amplification device. The harmonic injection circuit is arranged to transfer harmonic components generated at the main power amplification device to the auxiliary power amplification device and harmonic components generated at the auxiliary power amplification device to the main power amplification device, when both o the main and auxiliary power amplification devices are operating, for modulating the respective outputs of the main power amplification device and the auxiliary power amplification device.

Abstract: A Doherty power amplifier circuit having a main power amplification device, an auxiliary power amplification device arranged in parallel with the main power amplification device, and a load modulation circuit comprising a harmonic injection circuit connected with respective outputs of the main power amplification device and the auxiliary power amplification device. The harmonic injection circuit is arranged to transfer harmonic components generated at the main power amplification device to the auxiliary power amplification device and harmonic components generated at the auxiliary power amplification device to the main power amplification device, when both the main and auxiliary power amplification devices are operating, for modulating the respective outputs of the main power amplification device and the auxiliary power amplification device.

Abstract: Provided is a photocurable composition comprising: a) at least one monomer or/and oligomer bearing at least one functional group selected from the group consisting of (meth) acrylate-functional group, vinyl-functional and allyl-functional group or at least one monomer or/and oligomer bearing at least two of said functional groups with one of them being an allyl group, b) at least one polythiol bearing at least one secondary thiol group, and c) at least one photoinitiator. The said composition can be used in coatings, inks, adhesives and varnishes. A finished cured product made of the said composition is suitable for optical, electronic and opto-electronic applications.

Abstract: A method, a device and a computer program product for determining a geographical location of a user are disclosed. The method comprises: extracting characters or icons in an image taken at a place where the user is located; analyzing the extracted characters or icons to determine a meaning of the characters or the icons; and determining the geographical location of the user based on the meaning of the characters or the icons. With the method, the device and the computer program product, the geographical location of the user may be accurately determined in various scenarios.

Abstract: A three-door storage box, includes one integrally-formed box body and side frame part. The integrally-formed box body includes the front box panel, the rear box panel, the bottom box panel, the top box panel as well as the buckle panel. The side frame part includes the outer frame, the inner frame, and the frame door. Horizontal and vertical fixed jacks are arranged on the outer frame. Spacer pins are arranged on both upper and lower ends of the outer frame. The storage box can be opened in three directions from left, right and the front to conveniently access the contents in the box. In addition, through installation of fixed jacks and spacer pins, the storage box can be easily assembled/disassembled with all the parts tightly connected, which extends the usage life.

Abstract: A Doherty power amplifier circuit having a main power amplification device, an auxiliary power amplification device arranged in parallel with the main power amplification device, and a load modulation circuit comprising a harmonic injection circuit connected with respective outputs of the main power amplification device and the auxiliary power amplification device. The harmonic injection circuit is arranged to transfer harmonic components generated at the main power amplification device to the auxiliary power amplification device and harmonic components generated at the auxiliary power amplification device to the main power amplification device, when both the main and auxiliary power amplification devices are operating, for modulating the respective outputs of the main power amplification device and the auxiliary power amplification device.

Abstract: Provided are image processing method and apparatus for processing an input image using a convolutional neural network system, and a computer-readable storage medium. The convolutional neural network system that includes an input layer, an intermediate layer and an output layer, the image processing method includes: receiving the input image via the input layer; extracting image features of the input image via the intermediate layer; and outputting processing results for the input image via the output layer, wherein the intermediate layer includes at least one network block each of which includes a first convolutional layer, a first grouping rearrangement layer and a second convolutional layer that are cascaded.

Abstract: A three-door storage box, includes one integrally-formed box body and side frame part. The integrally-formed box body includes the front box panel, the rear box panel, the bottom box panel, the top box panel as well as the buckle panel. The side frame part includes the outer frame, the inner frame, and the frame door. Horizontal and vertical fixed jacks are arranged on the outer frame. Spacer pins are arranged on both upper and lower ends of the outer frame. The storage box can be opened in three directions from left, right and the front to conveniently access the contents in the box. In addition, through installation of fixed jacks and spacer pins, the storage box can be easily assembled/disassembled with all the parts tightly connected, which extends the usage life.

Abstract: Provided are an image processing method and a client device, an image authentication method and a server device. The image processing method comprises: photographing an object to obtain a first image; sending a key acquiring request to a server and receiving a key from the server; generating a second image based on the key and the first image; and sending the second image to the server. The image authentication method comprises: receiving a key acquiring request from a client; generating a key and sending the key to the sever in response to the key acquiring request; receiving an image for authentication from the client; and authenticating the image for authentication by using the key.

Abstract: There are provided a focusing point determining method and apparatus. The focusing point determining method comprises: obtaining a view-finding image within a view-finding coverage; identifying a significance area in the view-finding image; and extracting at least one focusing point from the identified significance area. By identifying the significance area in the view-finding image and extracting at least one focusing point from the identified significance area, the focusing point determining method and apparatus can ensure accuracy of a selected focusing point to a certain extent, so as to ensure accuracy of focusing.

Abstract: The present disclosure provides systems and methods for automatic triaging of failure events experienced by autonomous vehicles. In particular, the systems and methods of the present disclosure can include or otherwise leverage one or more machine learned classifier models that can perform failure type classification on the basis of various features extracted from vehicle data that is descriptive of conditions experienced by an autonomous vehicle at the time of one or more vehicle failure events. In addition, existing vehicle data logs that include failure type labels manually applied by a human reviewer can be used to train the machine learned classifier model.

Abstract: Provided are a liveness authentication method and apparatus. The method comprises: filtering out light of a first predetermined waveband from incident light incident to a first area; detecting an intensity of the filtered light as a first light intensity; and determining that a liveness authentication is failed in the case that the first light intensity satisfies a predetermined condition. The liveness authentication is performed through determining whether the incident light is cold light. In the case that the incident light is light emitted from a liquid crystal display screen, it is determined that the incident light is the cold light, and it is determined that the liveness authentication is failed.

Abstract: There are provided a focusing point determining method and apparatus. The focusing point determining method comprises: obtaining a view-finding image within a view-finding coverage; identifying a significance area in the view-finding image; and extracting at least one focusing point from the identified significance area. By identifying the significance area in the view-finding image and extracting at least one focusing point from the identified significance area, the focusing point determining method and apparatus can ensure accuracy of a selected focusing point to a certain extent, so as to ensure accuracy of focusing.

Abstract: Provided are an image processing method and a client device, an image authentication method and a server device. The image processing method comprises: photographing an object to obtain a first image; sending a key acquiring request to a server and receiving a key from the server; generating a second image based on the key and the first image; and sending the second image to the server. The image authentication method comprises: receiving a key acquiring request from a client; generating a key and sending the key to the sever in response to the key acquiring request; receiving an image for authentication from the client; and authenticating the image for authentication by using the key.

Abstract: A method, a device and a computer program product for determining a geographical location of a user are disclosed. The method comprises: extracting characters or icons in an image taken at a place where the user is located; analyzing the extracted characters or icons to determine a meaning of the characters or the icons; and determining the geographical location of the user based on the meaning of the characters or the icons. With the method, the device and the computer program product, the geographical location of the user may be accurately determined in various scenarios.