Abstract: Provided are methods for processing radar data, which can include accessing radar analog-to-digital (ADC) data from at least one radar sensor of a vehicle, determining a range-Doppler (RD) data set based on the radar ADC data, determining a range-azimuth-Doppler (RAD) data set based on the RD data set, and determining at least one of (i) object data representing at least one object in an environment of the vehicle or (ii) a segmentation map representing the environment based on the RAD data set.

Abstract: An acoustical transducer composite glass panel includes a primary glass pane, a secondary glass pane, and at least one excitable glass pane configured to acoustically respond to an excitation stimulus. The composite glass panel also includes an isolative material section configured to separate a corresponding excitable glass pane from the secondary glass pane. The secondary glass pane is arranged along the primary glass panel and equidistant therefrom. Each excitable glass pane is arranged along the primary glass panel and equidistant therefrom and adjacent to the secondary glass pane, and a first portion of each excitable glass pane is spaced apart from the primary glass pane. Additionally, the isolative material section is arranged along the primary glass panel and equidistant therefrom, between an edge of the secondary glass pane and an edge of a second portion of the corresponding excitable glass pane.

Abstract: A digital variable reactance element includes digital capacitors and digital inductors connected in series or in parallel. Each of the digital capacitors includes a capacitor and a first digital switch connected in series or in parallel. The first digital switch is switchable between on and off states. Each of the digital inductors includes an inductor and a second digital switch connected in series or in parallel. The second digital switch is switchable between on and off states.

Abstract: A power module and a power device are provided. The power module includes: a circuit board including an upper surface layer and a lower surface layer; at least one switch circuit arranged on the upper surface layer of the circuit board, the switch circuit including a first switch unit, a second switch unit, and a first capacitor unit, and the first switch unit, the second switch unit, and the first capacitor unit are electrically connected to form a commutation loop which is located on the upper surface layer or passes through the upper surface layer; and a metal plate arranged above the first switch unit, the second switch unit, and the first capacitor unit.

Abstract: A method, an apparatus, and a system for generating a layout diagram of a photovoltaic power generation system, and a storage medium are provided. The method includes: acquiring device information and first physical location information of each photovoltaic device; acquiring physical location information of each photovoltaic module and second physical location information of a photovoltaic device connected to the photovoltaic module; and generating a layout diagram of the photovoltaic power generation system based on the device information, the first physical location information, the second physical location information of each photovoltaic device, and the physical location information of each photovoltaic module. The first physical location information and the second physical location information of each photovoltaic device at least partially correspond to each other and at least include an arrangement number of the photovoltaic device in a photovoltaic device array.

Abstract: The present invention provides a voltage regulation method for a three-phase four-bridge-arm three-level inverter. The method includes: determining a voltage vector corresponding to a three-phase voltage; constructing a controllable spatial polyhedral region on the basis of an abc three-dimensional coordinate system and the voltage vector; positioning preset reference vectors in a plurality of sub-regions of the controllable spatial polyhedral region, so as to generate reference voltage vectors corresponding to the reference vectors, wherein the reference voltage vectors are used for controlling output states of corresponding four bridge arms; sorting the reference voltage vectors with a modulation strategy in which a zero-level output state is reduced; and generating a switching pulse sequence of the bridge arms according to the sorted reference voltage vectors and a corresponding action time, so as to regulate a midpoint voltage of the three-phase four-bridge-arm three-level inverter.

Abstract: Provided in the present disclosure is a data transmission method in an uplink direction, including: receiving an uplink optical signal; generating, according to the uplink optical signal, second uplink electrical signals in a plurality of channels; and performing, according to an uplink granularity, channel alignment on the second uplink electrical signals in the plurality of channels for recovering and obtaining a target uplink signal after the alignment. Further disclosed is a data transmission method in a downlink direction, including: receiving a downlink optical signal; generating, according to the downlink optical signal, second downlink electrical signals in a plurality of channels; and performing, according to a downlink granularity, channel alignment on the second downlink electrical signals in the plurality of channels for recovering and obtaining a target downlink signal after the alignment. Also provided in the present disclosure are an OLT, an ONU, and a computer-readable medium.

Abstract: A growable continuum instrument includes a growable tube and one or more serially connected continuum structures. The growable tube includes an inner layer, an outer layer, and a fluid chamber between the inner and outer layers. The growable tube includes a turnable region where the inner and outer layers are connected and turnable. The continuum structure is located in the growable tube. The continuum structure includes a plurality of spacer discs and a plurality of connecting structures. The connecting structure includes one or more flexible structural bones, the two ends of which are respectively fixedly connected with the adjacent spacer discs, and are distributed along the circumferential direction of the spacer discs. The plurality of connecting structures include at least a first and second connecting structures, and the flexible structural bones of the first and second connecting structures are distributed differently along the circumferential direction of the spacer disc.

Abstract: The present disclosure provides an optical signal receiving apparatus, an optical line terminal, an optical signal receiving system, an optical signal receiving method, and a computer-readable storage medium. The optical signal receiving apparatus includes: a first filter configured to perform wavelength division processing on original optical signals, and perform at least one of following operations: outputting at least one of a first optical signal corresponding to a first wavelength range or a second optical signal corresponding to a second wavelength range; an amplifier configured to amplify the first optical signal; a second filter configured to receive the amplified first optical signal, and perform noise reduction processing on the amplified first optical signal; and the detection element is configured to receive and convert at least one of the first optical signal subjected to the noise reduction processing or the second optical signal into a transmission electrical signal.

Abstract: Aspects of the disclosure are directed to integrating one or more large language models (LLMs) into a cloud database platform, such as a data warehouse. Users of the cloud database platform can provide queries to instruct one or more LLMs to perform generative natural language processing tasks by manipulating or generating text directly in the cloud database platform with a table valued function. Users can provide input to register or generate one or more LLMs of the cloud database platform for performing the natural language processing tasks. Integrating LLMs into the cloud database platform can improve processing capabilities of the LLMs and save computing resources, as specialized LLMs or application-specific API may no longer be necessary.

Abstract: An apparatus includes an on-timer configured to produce a reset signal for determining a turn-off time instant of a high-side switch of a power converter, wherein the on-timer comprises a ramp generator, a feedback control circuit configured to produce a set signal for determining a turn-on time instant of the high-side switch of the power converter, and a phase-locked loop circuit configured to receive a clock signal and adjust a current of the ramp generator only once over a plurality of predetermined switching periods to synchronize a pulse width modulation (PWM) signal of the power converter with the clock signal.

Abstract: A display panel includes an active area and a peripheral area surrounding the active area, and the display panel further includes: a substrate and a plurality of light emitting devices arranged on the substrate in array, wherein the plurality of light emitting devices are located at least in the active area; a conducting layer comprising a cathode ring and cathodes of the plurality of light emitting devices, wherein the cathode ring is located in the peripheral area, and the cathode ring surrounds the active area; and a lens layer located at a side of the light emitting devices away from the substrate, wherein the lens layer extends from the active area to the peripheral area; wherein an orthographic projection of the lens layer on the substrate is located within an area delineated by an outer contour of an orthographic projection of the cathode ring on the substrate.

Abstract: Robotic medical systems can be capable of contact sensing and contact reaction. A robotic medical system can include a robotic arm and one or more sensors. The robotic medical system can be configured to detect, via the one or more sensors, a contact force or torque that is exerted on the robotic arm by an external object. In response to detecting the contact force or torque, and in accordance with a determination that a magnitude of the contact force or torque is between a lower contact force or torque limit and an upper contact force or torque limit, the robotic medical system can enable a first set of controlled movements on the robotic arm in accordance with the detected contact force or torque.

Abstract: A method and an apparatus for generating an electrical topology diagram of a power system, and a medium are provided. The method includes identifying at least one information identification diagram corresponding to each of the at least one convergence device to obtain electrical topology location information and device information of power devices connected to each of the at least one convergence device; and generating an electrical topology diagram of the power system based on the electrical topology location information and the device information of the power devices connected to each of the at least one convergence device. The information identification diagram includes at least one cell, and each of the at least one cell has a device identifier of corresponding one of the plurality of power devices and electrical topology location information of the one of the plurality of power devices.

Abstract: The embodiments of the present application provide a signal compensation method, an electronic device, and a passive optical network system, and specifically relate to the field of communication. The method comprises: increasing signal chirp; by means of the increased chirp, generating a dispersion compensation amount; and by means of the dispersion compensation amount, compensating for a signal dispersion penalty.

Abstract: Robotic systems can be capable of collision detection and avoidance. A medical robotic system can include a first kinematic chain and one or more sensors positioned to detect one or more parameters of contact with one or more portions of the first kinematic chain. The medical robotic system can be configured to cause adjustment of a configuration of the first kinematic chain from a first configuration to a second configuration based on a constraint determined from the one or more parameters of contact with the first kinematic chain detected by the one or more sensors.

Abstract: The present disclosure provides an energy storage inverter, a bus balance method of the energy storage inverter, and a storage medium. The energy storage inverter includes a first stage of the energy storage inverter including a DC-DC conversion circuit, configured to convert a voltage of an energy storage battery into a DC voltage higher than the voltage of the energy storage battery; a second stage of the energy storage inverter including a three-level Boost circuit or a three-level Buck circuit configured to stabilize a bus voltage; and a third stage of the energy storage inverter including a three-level inversion circuit. The energy storage inverter includes a Boost operating mode 1, a Boost operating mode 2, a Boost operating mode 3, a Boost operating mode 4, a Buck operating mode 1, a Buck operating mode 2, a Buck operating mode 3 and a Buck operating mode 4.

Abstract: Embodiments of the present disclosure provide an optical splitter of a passive optical network and an optical signal processing method. The optical splitter comprises a planar lightwave circuit optical splitter and a planar lightwave circuit filter array, wherein the planar lightwave circuit filter array comprises a thin-film filter chip module, the planar lightwave circuit optical splitter is used for splitting an input optical signal into a plurality of sub-signals and inputting the plurality of sub-signals into corresponding thin-film filters, and the thin-film filter chip module is used for filtering the plurality of sub-signals and outputting a plurality of target sub-signals.

Abstract: A process for producing a heavy metal mediated biochar composite using silicate solidification. Hydrocharis dubia has excellent enrichment of manganese ions in sewage, and is used to treat sewage water to adsorb heavy metals such as lead, manganese and zinc contained in the sewage water into roots, stems and leaves thereof, which are pyrolysed in stages at high temperature with activated red mud and bentonite prior to blending with zeolites, to produce said heavy metal mediated biochar composite; the process significantly extends the migration time of heavy metals, increases the stability of heavy metals and reduces the risk of environmental pollution by heavy metal leakage.

Abstract: Embodiments of this application disclose a channel access method and apparatus. The method includes: A first device determines a first frame, where the first frame includes first indication information, the first indication information indicates a first AP in at least one access point AP to perform contention access for a first traffic in a first slot, and the first traffic includes a traffic for which channel access is performed by using a priority interframe space PIFS; and the first device sends the first frame to the first AP. According to embodiments of this application, contention and a collision with another AP in a channel access process are avoided, to improve quality of service of a traffic.