Abstract: An active noise cancellation (ANC) system is provided with at least one loudspeaker to project anti-noise sound within a passenger cabin of a vehicle in response to receiving an anti-noise signal and at least one microphone to provide an error signal indicative of noise and the anti-noise sound within the passenger cabin. An adaptive filter controller is programmed to filter the error signal to obtain a noise reduction ratio, and to adjust a step size and/or leakage parameter based on a comparison of the noise reduction ratio to a noise threshold. A controllable filter generates the anti-noise signal based on the adjusted step size and/or leakage parameter.

Abstract: A device authentication method, an authentication apparatus and a computer-readable storage medium may be provided to authenticate an electronic device. In some implementations, the device authentication method includes: establishing a first connection based on a transparent layer security (TLS) protocol between the electronic device and a first server; sending a first request to the first server to perform identity authentication of the electronic device, the first request being generated on the basis of first information which represents a digital certificate of the electronic device; and on the basis of the first connection, receiving first response information about the first request, the first response information being sent by the first server and carrying a result of the identity authentication of the electronic device performed by the first server.

Abstract: An oral scanner system having an oral scanner, the oral scanner having a handle, a head, a camera, a spacer attachment being detachably attached to the head, and a processor being arranged to receive at least one signal from the camera to determine, based on an analysis of the at least one signal, an attachment state of the spacer attachment.

Abstract: Described herein are methods and systems for a vehicle system which provide inbuilt road noise cancellation in the vehicle. In one or more embodiments, a method for road noise cancellation comprises using a head-tracking device to monitor an occupant ear position, capturing airborne noise using a feedforward microphone and a headrest microphone of a zone in which the occupant ear is positioned, updating acoustic path information according to the occupant ear position(s) and speaker position(s) within the zone, generating a noise cancellation signal using sampling rate greater than 2 kHz, and outputting the noise cancellation signal via a headrest speaker located near the zone in which the occupant ear is positioned to at least partially reduce a road noise sound level in the zone.

Abstract: Embodiments of the present disclosure provide a robot. The robot arm link includes a first arm link; a hollow shaft extending along a first axis thereof and coupled to the first arm link; a first stage reduction assembly coupled to a power source of the robot; and a second stage reduction assembly comprising: an input coupled to an output of the first stage reduction assembly and adapted to rotate about a second axis offset from the first axis; and an output coaxially arranged on a periphery of the hollow shaft and adapted to engage with the input to cause a rotation of the first arm link via the hollow shaft.

Abstract: A battery cell includes a housing, an electrode assembly, and a current collector member, where the housing has an electrode lead-out member. The electrode assembly is accommodated in the housing and includes tabs. The current collector member is configured to electrically connect the tabs to the electrode lead-out member, where the current collector member is welded to the electrode lead-out member, the current collector member includes a conductive protective layer, and the conductive protective layer is disposed on a side of the current collector member facing away from the electrode lead-out member.

Abstract: The heat dissipation cabinet includes a cabinet body, a cabinet door, and a baffle. The cabinet body includes a top wall and a bottom wall that are oppositely disposed, and a side wall connected between the top wall and the bottom wall. The cabinet door is installed at a position of the side wall in the cabinet body, and an air outlet passage is disposed in the cabinet body that is close to a position of the top wall. An air inlet component and an air outlet component are disposed in the cabinet door, and the air outlet component is located between the air inlet component and the top wall, and is located at one end of the air outlet passage. An electronic apparatus placement area is disposed in the cabinet body, and the baffle is disposed between the electronic apparatus placement area and the cabinet door.

Abstract: The present application discloses a method, system, and computer system for managing lineage data for data entities. The method includes generating lineage data, wherein generating the lineage data, and storing and indexing, in a data structure, the lineage data in association with the selected data entity. The generating the lineage data includes selecting a selected data entity, obtaining a query tree that was used to generate the selected data entity, and determining lineage data for the selected data entity based at least in part on the query tree.

Abstract: This application discloses a lithiation device for applying a lithium film on an electrode plate. The lithiation device includes: a rolling mechanism including a first roller and a second roller, the two rollers configured to roll the electrode plate and the lithium film to apply the lithium film on the electrode plate; an adjustment mechanism connected to the rolling mechanism and configured to adjust a gap and/or a rolling force between the first roller and the second roller; a first monitoring mechanism configured to monitor a length of the electrode plate after the electrode plate passes through the rolling mechanism; and a controller configured to control the adjustment mechanism based on a comparison result of the length monitored by the first monitoring mechanism and a target length so that the length of the electrode plate after the electrode plate passes through the rolling mechanism approximates to the target length.

Abstract: In at least one embodiment, an active noise cancellation (ANC) system is provided. An audio signal source provides an audio signal. At least one loudspeaker projects anti-noise sound within a cabin. At least one microphone provides a first error signal indicative of the noise, the audio signal, and the anti-noise sound and a second error signal indicative of an estimated anti-noise signal. At least one controller is programmed to receive the first error signal and the second error signal and to provide an estimated impulse response based at least on the first error signal and the second error signal. The at least one controller is further programmed to compare the estimated impulse response to one or more pre-stored impulse responses; and to select a first pre-stored impulse response that matches the estimated impulse response to filter one or more reference signals at an adaptive filter to generate the anti-noise signal.

Abstract: A road noise cancellation (RNC) system is provided with at least one loudspeaker to project anti-noise sound within a passenger cabin of a vehicle in response to an anti-noise signal; and a controller. The controller is programmed to: determine a coherence value between a noise signal indicative of road induced noise and an error signal indicative of noise and the anti-noise sound within the passenger cabin; estimate a noise reduction value based on the coherence value; filter the noise signal and the error signal based on the estimated noise reduction value; and generate the anti-noise signal based on the filtered noise signal and the filtered error signal.

Abstract: A method and system for determining a PET image of the scan volume based on one or more PET sub-images is provided. The method may include determining a scan volume of a subject supported by a scan table; dividing the scan volume into one or more scan regions; for each scan region of the one or more scan regions, determining whether there is a physiological motion in the scan region; generating, based on a result of the determination, a PET sub-image of the scan region based on first PET data of the scan region acquired in a first mode or based, at least in part, on second PET data of the scan region acquired in a second mode; and generating a PET image of the scan volume based on one or more PET sub-images.

Abstract: The power distribution module includes a power busbar, a primary load output module, a secondary load output module, a battery module, and a signal-driven collection module, where each of the primary load output module, the secondary load output module, and the battery module includes a circuit breaker, the power busbar is connected to the circuit breaker, the signal-driven collection module is connected to the circuit breaker to collect a circuit breaker signal, the signal-driven collection module includes a plurality of first signal units sequentially arranged in a first direction, an integer quantity of first signal units are disposed in a connection area in which the signal-driven collection module is connected to each circuit breaker, each circuit breaker is provided with a second signal unit.

Abstract: The present disclosure may provide a SPECT system. The SPECT system may include a collimator including a group of first pinholes and a group of second pinholes. The group of first pinholes may be configured to remain open. The group of second pinholes may be configured to alternate between an open configuration and a blocked configuration. The collimator may be configured to allow photons to traverse through at least one group of the group of first pinholes or the group of second pinholes. The SPECT system may also include a detector configured to detect at least a portion of the photons that have traversed the collimator.

Abstract: Methods for managing a robot arm are disclosed. In one method, during a movement of the robot arm in an axis thereof, a signal collected by a sensor equipped at a frame of the robot arm is received. A change in strength of the received signal is detected, where the change is caused by an offset between a position of a reference mark equipped at the robot arm and a position of the sensor. An original point of the axis of the robot arm is determined based on the detected change. Further, robot systems, apparatuses, systems, and computer readable media for managing a robot arm in the robot systems are disclosed. The original point of the axis of the robot arm may be determined without a dedicated calibrating tool, and then the robot arm may be calibrated based on the original point accurately.

Abstract: Methods and systems are disclosed for an audio system for a vehicle system. In one example, a noise cancellation system includes a vehicle having a plurality of speakers and a plurality of microphones, a plurality of sensors, and a controller. The controller includes instructions stored on non-transitory memory that when executed cause the controller to generate a noise cancellation signal using a set of head-related impulse responses for the plurality of speakers and the plurality of microphones based on a head position of one or more occupants and a plurality of transfer functions, including to selectively update only a subset of the plurality of transfer functions responsive to the plurality of sensors detecting head movement greater than a threshold.

Abstract: A method and system for determining a PET image of the scan volume based on one or more PET sub-images is provided. The method may include determining a scan volume of a subject supported by a scan table; dividing the scan volume into one or more scan regions; for each scan region of the one or more scan regions, determining whether there is a physiological motion in the scan region; generating, based on a result of the determination, a PET sub-image of the scan region based on first PET data of the scan region acquired in a first mode or based, at least in part, on second PET data of the scan region acquired in a second mode; and generating a PET image of the scan volume based on one or more PET sub-images.

Abstract: The power distribution module includes a power busbar, a primary load output module, a secondary load output module, a battery module, and a signal-driven collection module, where each of the primary load output module, the secondary load output module, and the battery module includes a circuit breaker, the power busbar is connected to the circuit breaker, the signal-driven collection module is connected to the circuit breaker to collect a circuit breaker signal, the signal-driven collection module includes a plurality of first signal units sequentially arranged in a first direction, an integer quantity of first signal units are disposed in a connection area in which the signal-driven collection module is connected to each circuit breaker, and each circuit breaker is provided with a second signal unit.

Abstract: A pyrimidine or pyridine derivative having a structure represented by formula (I), a preparation method therefor, a pharmaceutical composition containing same, a use thereof as an EGFR inhibitor, and a use thereof in the preparation of a drug for treating and/or preventing cancer, tumors, or metastatic diseases associated at least in part with EGFR exon 20 insertions, deletions, or other mutations, especially a use thereof in the preparation of a drug for treating and/or preventing hyperproliferative diseases and the induction of cell death disorders.

Abstract: In at least one embodiment, an active noise cancellation (ANC) system is provided. The system includes at least one loudspeaker to project anti-noise sound in response to receiving a first anti-noise signal and at least one microphone to provide an error signal indicative of noise and the anti-noise sound. The system further includes a head tracker sensor to provide a first signal indicative of a position of a user's head and a first controllable filter programmed to modify a transfer function between the microphone and at least one remote microphone location to generate an estimated remote microphone error signal based at least on the error signal and the first signal. The system further includes a second controllable filter programmed to generate the first anti-noise signal to account for the position of the user's head at least based on the estimated remote microphone error signal.