Abstract: Embodiments discussed herein refer to LiDAR systems to focus on one or more regions of interests within a field of view.

Abstract: Embodiments discussed herein refer to systems and methods that compensate for debris and water obfuscation that affect operation of LiDAR systems. A debris management system can direct air and/or fluid over a portion of the LiDAR system to remove any debris or water.

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: Disclosed are a display device and a driving method for a display device. The display device includes a display component and a light control component. The light control component has a plurality of light control pixels arranged in an array. Each of the light control pixels at least covers one of the display pixels. Each of the light control pixels is configured to switch between a first state and a second state. When the light control pixel is in the first state, external ambient light that has passed through the first polarizer does not change polarization state after passing through the light control pixel. When the light control pixel is in the second state, external ambient light that has passed through the first polarizer is adjusted, after passing through the light control pixel, to be linearly polarized light perpendicular to the light transmission axis of the reflective polarizer.

Abstract: Methods and systems are described for generating dynamic conversational responses using two-tier machine learning models. The dynamic conversational responses may be generated in real time and reflect the likely goals and/or intents of a user. The two-tier machine learning model may include a first tier that determines an intent cluster based on a feature input, and a second tier that determines a specific intent from the cluster.

Abstract: A core holder and a prediction method for starting pressure gradient of shale oil based on the core hold are provided. The core holder includes an inlet plug, an outlet plug, a core accommodating cavity disposed between the inlet plug and the outlet plug and used for accommodating the shale oil, a rubber gasket disposed between the outlet plug and the core accommodating cavity, and a microinjector including a microinjector needle portion that passes through the outlet plug and the rubber gasket in sequence to be in contact with the shale oil in the core accommodating cavity. The core holder and the method can solve problems that movable oil volume of a low-porosity, low-permeability and small-volume rock sample and a shale rock sample cannot be accurately measured, and that a movable scale and a starting pressure gradient of the shale oil cannot be measured.

Abstract: A walk-behind self-propelled working machine includes a main body, an operation switch, and a handle device. The main body includes a moving assembly and a drive motor. The operation switch is connected to the drive motor. The handle device is connected to the main body and includes an operation member, a connecting rod, and a sensing device. The operation member includes a gripping portion for a user to hold. The connecting rod is connected to the main body. The sensing device is configured to sense a thrust that is applied to the handle device to drive the walk-behind self-propelled working machine and further includes a pressure sensor and a pressing member. When the gripping portion receives the thrust, the pressing member applies a force along a preset straight line to the pressure sensor to drive the pressure sensor to deform.

Abstract: Systems and methods for securing data for outbound communication may include: determining a risk profile for the outbound communication based, the outbound communication comprising data modules including at least a payload, an origination endpoint, and a destination endpoint; determining a scanning policy from a plurality of scanning policies, based on the determined risk profile; determining a secure machine learning model from a plurality of secure machine learning models, based on the determined risk profile, wherein the secure machine learning model is determined based on an authentication level corresponding to the determined risk profile; providing one or more data modules to the secure machine learning model, based on the determined scanning policy; receiving a sanitized version of the payload based on an output of the secure machine learning model; and providing the sanitized version of the payload for the outbound communication.

Abstract: A combinable optical-fiber adapter assembly includes combinable optical-fiber adapters. A first optical-fiber adapter of the adapters has first connection units. A second optical-fiber adapter of the adapters has second connection units. The first connection units are assembled with the second connection units. In a one-to-one manner, the first connection unit on the front portion of the outer side surface of the first adapter body is docked with the second connection unit on the front portion of the outer side surface of the second adapter body adjacent to the first adapter body, and the first connection unit on the rear portion of the outer side surface of the first adapter body is docked with the second connection unit on the rear portion of the outer side surface of the second adapter body adjacent to the first adapter body, so that two adjacent optical-fiber adapters can be assembled side-by-side.

Abstract: A fully degradable non-woven fabric produced by melt-blown extrusion and an application thereof in the production of medical masks. The fully degradable non-woven fabric is produced through steps of: (S1) preparation of caprolactone-lactic acid random copolymer; (S2) preparation of copolymerized modified PLA; and (S3) preparation of non-woven fabric by the melt-blown extrusion.

Abstract: A microelectronic device includes a stack structure including blocks separated from one another by dielectric slot structures and each including a vertically alternating sequence of conductive structures and insulative structures arranged in tiers. The blocks including a stadium structure including opposing staircase structures each having steps comprising edges of the tiers. The blocks further include a filled trench vertically overlying and within horizontal boundaries of the stadium structure. The filled trench includes dielectric liner structures and additional dielectric liner structures having a different material composition than that of the dielectric liner structures and alternating with the dielectric liner structures. The filled trench also includes dielectric fill material overlying an alternating sequence of the dielectric liner structures and additional dielectric liner structures.

Abstract: The present disclosure provides a method for preparing multi-component polymers through post-polymerization modification, used to functionalize polysulfonyl imidate polymer including a dispersing polymer reactant, an electrophilic substitution reagent and a catalyst in an organic dispersant; adding acid-binding agent to react at room temperature for 4-48 h; obtaining the precipitate when the reaction finished; washing and drying the obtained precipitate to get the functionalized multi-component polymers. The present disclosure involves a low polymerization temperature, allowing for the reaction to occur at room temperature. Additionally, the conversion rate is high, and the applicable electrophilic substitution monomer reagents have a wide selection. Besides that, the synthesis cost of the reaction is low due to the widespread availability of common chemical reagents such as catalysts, organic dispersants, acid binding agents, and other reaction reagents.

Abstract: The present disclosure discloses a MEMS microphone including a substrate with a back cavity, and an electric capacitance system arranged on the substrate. The electric capacitance system includes a back plate and a diaphragm opposite to the back plate. The back plate includes a body part, a fixing portion connected to the substrate, and a connecting portion connecting the body part and the fixing portion. The diaphragm is fixed to the substrate and located at a side of the back plate close to the substrate. The fixing portion includes a first surface away from the substrate, the first surface includes a first arc surface connected with the body part, the first arc surface protrudes toward a direction away from the substrate. Compared with the related art, MEMS microphone disclosed by the present disclosure has a better reliability.

Abstract: The present disclosure discloses a MEMS microphone including a printed circuit board, a shell assembled with the printed circuit board for forming a receiving space and provided with a sound hole communicating with the receiving space, a MEMS Die with a cavity accommodated in the receiving space and mounted on the shell for covering the sound hole, and an ASIC chip accommodated in the receiving space and mounted on the shell through a substrate. The cavity of the MEMS Die communicates with the sound hole. The MEMS Die electrically connects with the ASIC chip. The ASIC chip electrically connects with the substrate. The substrate electrically connects with the printed circuit board.

Abstract: A method for evaluating sensor data. In the method, firstly, raw sensor data and/or processed sensor data from at least one sensor are input and measurement data determined from the raw sensor data and/or the processed sensor data. The measurement data are then corrected on the basis of a mathematical model, wherein, on correction, drift of the raw sensor data and/or of the processed sensor data is determined and removed from the measurement data. The corrected measurement data are furthermore output.

Abstract: The invention relates to automotive electronic technologies, and in particular, to a vehicle control method, a vehicle control device, and a computer-readable storage medium for implementing the method. According to an aspect of the invention, a mobile terminal includes: a sensor configured to obtain movement data of the mobile terminal; a control unit coupled to the sensor and configured to recognize a motion pattern of a user based on the movement data; and a wireless communication module coupled to the control unit and configured to send a message about the motion pattern to a vehicle control system, so that the vehicle control system generates a corresponding control command.

Abstract: Provided is a MEMS microphone, including a base which forms a back cavity, and a capacitor system arranged on the base and connected to the base. The capacitor system includes a diaphragm located above the base and a backplate spaced from the diaphragm; and the MEMS microphone further includes a barrier structure, and the barrier structure is spaced from the capacitor system in a vibration direction. The barrier structure spaced from the capacitor system in the vibration direction can ensure that the movement of the diaphragm and the backplate is not affected under low sound pressure, so as not to affect the performance of the microphone, and can hinder the deformation of the diaphragm and the backplate under large sound pressure, thereby inhibiting failure of the microphone caused by fracture due to large deformation of the diaphragm and the backplate.

Abstract: Embodiments discussed herein refer to LiDAR systems to focus on one or more regions of interests within a field of view.

Abstract: Disclosed herein is a method for preparing a low-cost fully-biodegradable plant fiber starch tableware. A plant cellulose material containing dregs of Scutellaria baicalensis is modified to obtain a modified plant fiber starch blank. Konjac gum is subjected to pulverization and ultrafine pulverization to obtain a colloidal binder combined with a deacetylated konjac gum. The colloidal binder is mixed with the modified plant fiber starch blank to obtain a mixture. The mixture is subjected to foam molding in a forming mold to obtain the low-cost fully-biodegradable plant fiber starch tableware.

Abstract: Techniques regarding privacy preservation in a federated learning environment are provided. For example, one or more embodiments described herein can comprise a system, which can comprise a memory that can store computer executable components. The system can also comprise a processor, operably coupled to the memory, and that can execute the computer executable components stored in the memory. The computer executable components can comprise a plurality of machine learning components that can execute a machine learning algorithm to generate a plurality of model parameters. The computer executable components can also comprise an aggregator component that can synthesize a machine learning model based on an aggregate of the plurality of model parameters. The aggregator component can communicate with the plurality of machine learning components via a data privacy scheme that comprises a privacy process and a homomorphic encryption process in a federated learning environment.