Abstract: Embodiments of systems and methods for measuring a surface topography of a semiconductor structure are disclosed. In certain examples, a plurality of interference signals, each corresponding to a respective one of a plurality of positions on a surface of the semiconductor structure, are measured. Calibration signals, associated with a baseline region corresponding to a first category of a plurality of categories and a calibrated region corresponding to a second category of the plurality of categories, are measured. A surface height offset, associated with the baseline region and the calibrated region, is determined based on original surface heights and the calibration signals. The original surface heights are determined based on the plurality of interference signals corresponding to the baseline region and the calibrated region. The surface topography of the semiconductor structure is characterized based, at least in part, on the surface height offset and the original surface heights.

Abstract: A method for calculating a temperature-dependent mid-span vertical displacement of a girder bridge includes: setting a joint rotation of a main girder at each support as an unknown quantity, and establishing an equation according to a bending moment equilibrium condition at the joint; then introducing a sequence to establish a quantitative relationship between each unknown quantity; substituting the relationship into the equation, to obtain an analytical formula for a rotation at each joint; establishing an analytical formula for a bending moment at each joint through a principle of superposition; and finally, establishing an analytical formula for a mid-span vertical displacement of each span girder through a principle of virtual work. This method provides an analytical formula with exact solutions for prismatic girder bridges which have equal side spans yet have any number of spans.

Abstract: According to an embodiment, a source object presented in a source video is identified. Attribute information of the source object in respective frames of a sequence of source frames in the source video is identified. The attribute information represents an animation effect associated with the source object across the sequence of source frames. The attribute information is provided for use in reproducing the animation effect in a target video.

Abstract: Embodiments of systems and methods for measuring a surface topography of a semiconductor chip are disclosed. In an example, a method for measuring a surface topography of a semiconductor chip is disclosed. A plurality of interference signals each corresponding to a respective one of a plurality of positions on a surface of the semiconductor chip are received by at least one processor. The plurality of interference signals are transformed by the at least one processor into a plurality of spectrum signals each corresponding to the respective one of the positions on the surface of the semiconductor chip. The spectrum signals are classified by the at least one processor into a plurality of categories using a model. Each of the categories corresponds to a region having a same material on the surface of the semiconductor chip.

Abstract: A warehousing line, a warehousing management method and device may include: a storage device, provided with a plurality of storage locations, wherein each storage location is provided with a location sensor configured to determine storage information of the storage location; a first conveyor device, configured to convey items to or from the storage device, wherein the first conveyor device is provided with a first information collection element configured to collect information of each item on the first conveyor device; a first stacking device, configured to move the item from the first conveyor device to a corresponding storage location of the plurality of storage locations, or to move the item in one of the plurality of storage locations to the first conveyor device; and a warehousing management system in communication connection with the location sensors, the first information collection element and the first stacking device respectively.

Abstract: A left atrial appendage (LAA) occluder and an LAA occlusion system are disclosed. The LAA occluder enables an increased surgical success rate by allowing repeated good positioning, retrieval and release of the occluder and avoiding the problem of entanglement of the occluding stent during surgery. The LAA occluder includes an occluding stent, a proximal securing member a distal securing member. The occluding stent includes an occlusion structure and a traction structure. The delivery device includes a hollow push tube and a control shaft. The distal securing member can be driven by the control shaft to move toward the proximal securing member until a first distal end of the occlusion structure is in a collapsed configuration, where the distal securing member is blocked from further movement, avoiding the problem of entanglement arising from inward rolling of the occluding stent in the vent of human error.

Abstract: The present disclosure discloses a thin film transistor, a method for manufacturing thereof, an array substrate and a display device. The method for manufacturing the thin film transistor includes: forming a nanowire active layer on one side of a base substrate; forming a conductive protective layer on one side of the nanowire active layer away from the base substrate; forming an insulating layer on one side of the protective layer away from the nanowire active layer; etching the insulating layer using a dry etching process to form a first via hole exposing a first region of the protective layer and a second via hole exposing a second region of the protective layer; and forming a source-drain layer on one side of the insulating layer away from the protective layer, wherein the source-drain layer includes a first electrode and a second electrode.

Abstract: A vehicle radar system (3) and related method including at least one transceiver arrangement (7) arranged to generate and transmit radar signals (4), and to receive reflected radar signals (5). The radar signals form a plurality of sensing sectors or sensing bins (8a-8g), that together form a transceiver coverage (9), For each sensing bin (8a-8g) the radar system (3) is arranged to obtain a target angle (?) and a target range (r) to possible target objects (10a-10j). The radar system (3) is further arranged to determine an unoccupied domain border (11) and a corresponding unoccupied domain (12) for the radar transceiver coverage (9).

Abstract: Embodiments of the present disclosure disclose a circuit detection method and a data detection circuit. The circuit detection method comprises: if a current time point reaches a preset detection time period, based on a data storage address of a detected module, reading a data to be detected corresponding to the detected module from a storage area corresponding to the data storage address; using a preset calculation method corresponding to the detected module to perform a calculation on the data to be detected to obtain a first calculation result; based on the first calculation result and a preset calculation result corresponding to the data storage address, determining a fault state of the detected module. The embodiments of the present disclosure can detect the storage circuit in a timely and accurate manner without data verification by adding hardware, thereby saving space occupied by the system and reducing power consumption.

Abstract: Embodiments of the present disclosure describe a reflux device blade and a compressor. The reflux device blade includes a blade main body, a hollow cavity is formed in the blade main body, and an air supplement hole is formed in the blade main body. When the hollow reflux device blade is adopted, the supplemental air entering the hollow cavity of the reflux device blade through an air supplement channel forms jet flow on a suction surface of the reflux device blade to blow off a low-speed low-energy area formed on the suction surface, so as to reduce the airflow mixing loss, prevent the intake distortion of a second-stage impeller, and improve the operation range of the compressor.

Abstract: The present application discloses a voice data processing method, an apparatus, a device and a storage media. The specific implementation solution is: starting a microphone management thread to collect audio data acquired by a microphone in a process of a voice interactive application, and when the voice interactive application is in a non-wake-up state, starting a wake-up thread to perform wake-up processing on the voice interactive application according to the audio data, there is no need to request the microphone separately by a recognition engine which performs voice recognition on the audio data collected by the microphone management thread, thereby realizing the wake-up engine and the recognition engine in the same process. The wake-up engine and the recognition engine avoid a problem of losing part of data due to waiting for preparation of the microphone, and improve efficiency and accuracy of the voice interactive application.

Abstract: A photosensitive sensor, a preparation method thereof, and an electronic device, wherein the photosensitive sensor includes a substrate, the substrate having a sensing area, a plurality of regularly arranged sensing units being provided in the sensing area, a shielding layer being provided on a side of the sensing units away from the substrate, the shielding layer covering the sensing area, a material of the shielding layer being a transparent conductive material, and the shielding layer being connected with a constant voltage signal terminal.

Abstract: Disclosed is a cooking appliance that includes a cooker body assembly, a lid assembly, a weighing sensor, a first control panel, and a second control panel. The cooker body assembly includes a housing and an inner pot disposed inside the housing. The lid assembly can be opened and closed to cover the inner pot. The first control panel is disposed on the lid assembly, and the second control panel is disposed on the housing. The weighing sensor is electrically connected to the second control panel. According to this disclosure, the second control panel is disposed on the housing, so that the second control panel does not flip to the rear side together with the lid assembly when the lid assembly is opened to add food or water.

Abstract: The present disclosure discloses a cable and a cable processing method. The cable includes a wire core, a metal braid layer, a magnetic powder layer, a metal shield, an outer sheath and an elastic ring. The metal braid layer includes an inner braid portion and an everted braid portion which are mutually connected. The inner braid portion is wrapped around an outer side of the wire core, the magnetic powder layer is wrapped around an outer side of the inner braid portion, the metal shield is wrapped around an outer side of the magnetic powder layer, and the outer sheath is wrapped around an outer side of the metal shield. The elastic ring is sleeved outside the inner braid portion, the everted braid portion is wrapped around outer sides of the elastic ring and the outer sheath, and the elastic ring covers an end surface of the metal shield.

Abstract: The present application provides a stator blade, a compressor structure and a compressor. The stator blade comprises a blade body, wherein a cavity is formed inside the blade body, and a gas supply hole is formed on the blade body. The present application forms a jet on the suction surface of the stator blade by supplemented gas, thereby blowing off the low-speed low-energy region formed by the suction surface, reducing the gas flow mixing loss caused by the supplemented gas, thereby improving the aerodynamic efficiency of the centrifugal compressor.

Abstract: A communication method and system under micro-service architecture are provided. The communication method includes: an executer sends a session register request message to a communication server, and receives, from the communication server, information of a peer executer that has a session subscription and publishing relationship with the executer, wherein the session register request message at least carries information of the executer, a session set to be registered and an attribute of any session in the session set; and the executer subscribes to a session instance of a registered session from the communication server or the peer executer, or the executer receives information of a session instance, subscribed to by the peer executer, of a registered session from the communication server or the peer executer. The present disclosure provides a high-performance and low-delay communication scheme for communication software modified based on micro-service architecture.

Abstract: One embodiment provides a method for federated learning across a plurality of data parties, comprising assigning each data party with a corresponding namespace in an object store, assigning a shared namespace in the object store, and triggering a round of federated learning by issuing a customized learning request to at least one data party. Each customized learning request issued to a data party triggers the data party to locally train a model based on training data owned by the data party and model parameters stored in the shared namespace, and upload a local model resulting from the local training to a corresponding namespace in the object store the data party is assigned with. The method further comprises retrieving, from the object store, local models uploaded to the object store during the round of federated learning, and aggregating the local models to obtain a shared model.

Abstract: In certain aspects, a method for training a model is disclosed. A model for measuring a geometric attribute of a hole structure in a semiconductor chip is provided by at least one processor. A plurality of training samples each including a pair of an optical spectrum signal and a reference signal corresponding to a same hole structure are obtained by the at least one processor. The reference signal is labeled with a labeled geometric attribute of the hole structure. An estimated geometric attribute of the hole structure is estimated using the model. A parameter of the model is adjusted based, at least in part, on a difference between the labeled geometric attribute and the estimated geometric attribute in each of the training samples by the at least one processor.

Abstract: Techniques for improved federated learning are provided. One or more queries are issued to a plurality of participants in a federated learning system, and one or more replies are received from the plurality of participants. A first aggregated model is generated based on the one or more relies and a first influence vector. Upon determining that a predefined criterion is satisfied, a second influence vector modifying a weight of a first participant of the plurality of participants is generated. A second aggregated model is generated based on the one or more replies and the second influence vector.

Abstract: Provided are a video recording method and apparatus. The video recording method includes: in response to detecting a resume recording instruction, determining duration of a video coded by a video coder, and setting playback progress of an audio player to the duration, where the resume recording instruction is used for instructing to continue collecting video data and continue playing target audio data by using the audio player; starting the audio player, where the video coder is started before the audio player; in the case of playing the target audio data to the playback progress, in response to collecting the video data, transmitting the collected video data to the video coder so that the video coder codes the collected video data.