Abstract: The present disclosure describes a system and method for LiDAR scanning. The system includes a light source configured to generate one or more light beams; and a beam steering apparatus optically coupled to the light source. The beam steering apparatus includes a first rotatable mirror and a second rotatable mirror. The first rotatable mirror and the second rotatable mirror, when moving with respect to each other, are configured to: steer the one or more light beams both vertically and horizontally to illuminate an object within a field-of-view; redirect one or more returning light pulses generated based on the illumination of the object; and a receiving optical system configured to receive the redirected returning light pulses.

Abstract: A system for multimodal detection is provided. The system comprises a light collection and distribution device configured to perform at least one of collecting light signals from a field-of-view (FOV) and distributing the light signals to a plurality of detectors. The light signals have a plurality of wavelengths comprising at least a first wavelength and a second wavelength. The system further comprises a multimodal sensor comprising the plurality of detectors. The plurality of detectors comprises at least a light detector of a first type and a light detector of a second type. The light detector of the first type is configured to detect light signals having a first light characteristic. The light detector of the first type is configured to perform distance measuring based on light signals having the first wavelength. The light detector of the second type is configured to detect light signals having a second light characteristic.

Abstract: Systems and methods for treating an aneurysm in accordance with embodiments of the present technology include intravascularly delivering an occlusive member to an aneurysm cavity and deforming a shape of the occlusive member via introduction of an embolic element to a space between the occlusive member and an inner surface of the aneurysm wall.

Abstract: Treatment of aneurysms can be improved by delivering an occlusive member (e.g., an expandable braid) to an aneurysm sac in conjunction with an embolic element (e.g., coils, embolic material). A treatment system for such treatment can include an electrolytically corrodible conduit having a proximal portion, a distal portion, and a detachment zone between the proximal portion and the distal portion. An occlusive member having a proximal hub is coupled to the conduit distal portion. The conduit has a lumen configured to pass an embolic element therethrough.

Abstract: The present disclosure describes a system and method for coaxial LiDAR scanning. The system includes a first light source configured to provide first light pulses. The system also includes one or more beam steering apparatuses optically coupled to the first light source. Each beam steering apparatus comprises a rotatable concave reflector and a light beam steering device disposed at least partially within the rotatable concave reflector. The combination of the light beam steering device and the rotatable concave reflector, when moving with respect to each other, steers the one or more first light pulses both vertically and horizontally to illuminate an object within a field-of-view; obtain one or more first returning light pulses, the one or more first returning light pulses being generated based on the steered first light pulses illuminating an object within the field-of-view, and redirects the one or more first returning light pulses.

Abstract: A light-emitting diode substrate, a manufacturing method thereof, and a display device are disclosed. The manufacturing method of the light-emitting diode substrate includes: forming an epitaxial layer group of M light-emitting diode chips on a substrate; transferring N epitaxial layer groups on N substrates onto a transition carrier substrate, the N epitaxial layer groups on the N substrates being densely arranged on the transition carrier substrate; and transferring at least part of N*M light-emitting diode chips corresponding to the N epitaxial layer groups on the transition carrier substrate onto a driving substrate, an area of the transition carrier substrate is greater than or equal to a sum of areas of the N substrates, M is a positive integer greater than or equal to 2, and N is a positive integer greater than or equal to 2.

Abstract: Embodiments of this application provide a face recognition method and apparatus, including: obtaining TOF data; processing the TOF data into a TOF image in a TEE; and performing face recognition by using the TOF image, to obtain a recognition result. Because the TOF data is used for face recognition, higher security is achieved. Implementation in the TEE can further improve the security.

Abstract: The present disclosure describes a system and method for coaxial LiDAR scanning. The system includes a first light source configured to provide first light pulses. The system also includes one or more beam steering apparatuses optically coupled to the first light source. Each beam steering apparatus comprises a rotatable concave reflector and a light beam steering device disposed at least partially within the rotatable concave reflector. The combination of the light beam steering device and the rotatable concave reflector, when moving with respect to each other, steers the one or more first light pulses both vertically and horizontally to illuminate an object within a field-of-view; obtain one or more first returning light pulses, the one or more first returning light pulses being generated based on the steered first light pulses illuminating an object within the field-of-view, and redirects the one or more first returning light pulses.

Abstract: Device and method controlling for an antenna, an antenna system and a computing control device are provided. The antenna includes multiple antenna array elements and multiple phase shifters for calibrating phases of the multiple antenna array elements. The device includes a temperature sensor, a positioning unit and a computing control unit, the temperature sensor is configured to obtain temperature information of the antenna and output it to the computing control unit; the positioning unit is configured to obtain position information of the antenna and output it to the computing control unit; the computing control unit is configured to receive the position information and temperature information of the antenna, determine position information of a satellite, and control the phase shifters to adjust phases of the multiple antenna array elements according to the position information the temperature information of the antenna, the position information of the satellite and pre-stored calibration data.

Abstract: An all-optical neural network that utilizes light beams and optical components to implement layers of the neural network is disclosed herein. The all-optical neural network includes an input layer, zero or more hidden layers, and an output layer. Each layer of the neural network is configured to simulate linear and nonlinear operations of a conventional artificial neural network neuron on an optical signal. In an embodiment, the optical linear operation is performed by a spatial light modulator and an optical lens. The optical lens performs a Fourier transformation on the set of light beams and sums light beams with similar propagation orientations. The optical nonlinear operation is implemented utilizing a nonlinear optical medium having an electromagnetically induced transparency characteristic whose transmission of a probe beam of light is controlled by the intermediate output of a coupling beam of light from the optical linear operation.

Abstract: Treatment of aneurysms can be improved by delivering an occlusive implant (e.g., an expandable braid) to an aneurysm sac in conjunction with an embolic element (e.g., coils, embolic material). A treatment system for such treatment can include an expandable member that releasably engages the occlusive implant to an engagement portion of a conduit. When the expandable member is collapsed, the conduit is disengaged from a proximal hub of the occlusive implant. The conduit and expandable member may then be retracted while the occlusive implant remains at the treatment site.

Abstract: The disclosure provides a method for reducing perfluorocarbon emissions from an aluminum electrolysis, which belongs to the field of aluminum electrolysis. The method includes: placing an aluminum oxide in an electrolytic cell with set parameters for proceeding aluminum electrolysis, and regulating feeding parameters of the aluminum oxide to obtain an electrolyte; adding a set amount of LiF, KF, MgF2 and CaF2 into the electrolyte, and regulating a molar ratio of NaF and AlF3 in the electrolyte to reduce the perfluorocarbon emissions from the aluminum electrolysis.

Abstract: A system for multimodal detection is provided. The system comprises a light collection and distribution device configured to perform at least one of collecting light signals from a field-of-view (FOV) and distributing the light signals to a plurality of detectors. The light signals have a plurality of wavelengths comprising at least a first wavelength and a second wavelength. The system further comprises a multimodal sensor comprising the plurality of detectors. The plurality of detectors comprises at least a light detector of a first type and a light detector of a second type. The light detector of the first type is configured to detect light signals having a first light characteristic. The light detector of the first type is configured to perform distance measuring based on light signals having the first wavelength. The light detector of the second type is configured to detect light signals having a second light characteristic.

Abstract: Devices, systems, and methods for treating aneurysms are disclosed herein. According to some embodiments, the present technology includes a treatment system comprising a delivery shaft, a manipulation shaft slidably positioned within the lumen of the delivery shaft, and an occlusive device configured for implantation within the aneurysm. The occlusive device can comprise a plurality of filaments that are secured to one another at a proximal end of the occlusive device by a cured material. The occlusive device can comprise inner and outer layers of braided filaments, wherein the proximal end region of the inner layer has an exposed portion that extends proximally beyond the proximal end region of the outer layer, and wherein the cured material extends into and fills interstices between the braided filaments at the proximal end regions of the inner and outer layers.

Abstract: Drug delivery articles, resident articles, and retrieval systems e.g., for gram-level dosing, are generally provided. In some embodiments, the residence articles are configured for transesophageal administration, transesophageal retrieval, and/or gastric retention to/in a subject. In certain embodiments, the residence article includes dimensions configured for transesophageal administration with a gastric resident system. In some cases, the residence article may be configured to control drug release e.g., with zero-order drug kinetics with no potential for burst release for weeks to months. In some embodiments, the residence articles described herein comprise biocompatible materials and/or are safe for gastric retention. In certain embodiments, the residence article includes dimensions configured for transesophageal retrieval. In some cases, the residence articles described herein may comprise relatively large doses of drug (e.g., greater than or equal to 1 gram).

Abstract: The present disclosure provides compositions, methods, and kits that enable the in situ growth of polymers on or within a subject. In some aspects, the monomer, dopamine, polymerizes in vivo to form a polymer on a tissue. In additional aspects, the compositions, methods, and kits are useful for treating or preventing a disease or disorder.

Abstract: Occlusion devices are disclosed herein. According to some embodiments, the present technology includes a mesh configured to be positioned within an aneurysm cavity, the mesh having a low-profile configuration for delivery through a catheter to the aneurysm cavity and an expanded configuration for implantation in the aneurysm cavity. The mesh can comprise a first portion configured to be positioned over the aneurysm neck and a second portion configured to be positioned between the first portion and a dome of the aneurysm. The mesh can comprise a copper material at the second portion of the mesh, wherein the copper material is configured to promote thrombosis within the aneurysm cavity.

Abstract: Devices, systems, and methods for treating aneurysms are disclosed herein. According to some embodiments, the present technology includes a treatment system comprising a delivery shaft, a manipulation shaft slidably positioned within the lumen of the delivery shaft, and an occlusive device configured for implantation within the aneurysm. The occlusive device can comprise a plurality of filaments that are secured to one another at a proximal end of the occlusive device by a cured material. The occlusive device can comprise inner and outer layers of braided filaments, wherein the proximal end region of the inner layer has an exposed portion that extends proximally beyond the proximal end region of the outer layer, and wherein the cured material extends into and fills interstices between the braided filaments at the proximal end regions of the inner and outer layers.

Abstract: A two-stage turbocharging energy-efficient self-adaptive control method based on multi-point intake and exhaust pressures in diesel engine turbocharging field, including: determining a target turbocharging pressure for plains upon diesel engine speed and load conditions; adjusting it to obtain optimal target turbocharging pressures for varying altitudes; using these and measured multi-point pressures in intake and exhaust pipelines as inputs, based on an energy utilization analysis model, to determine the two-stage turbocharging energy utilization efficiency suitable for different altitude environmental conditions; according to the optimal overall efficiency principle of the two-stage turbocharging system at variable altitudes, calculating opening degrees of the bypass valves that meets the target total pressure ratio by a valve control unit. Reasonable distribution of exhaust energy between the two-stage turbochargers is achieved.