Abstract: A method for determining a weather condition, comprising: measuring horizontal irradiance; measuring first slope irradiance and second slope irradiance, a first slope and a second slope being arranged to face the sun and being symmetrical about the meridian plane; determining an azimuth irradiation deviation rate according to the horizontal irradiance, the first slope irradiance, and the second slope irradiance; and determining a weather condition according to the horizontal irradiance, the first slope irradiance, the second slope irradiance, and the azimuth irradiation deviation rate. Also provided is a device for determining a weather condition.

Abstract: The disclosure provides an optical anti-counterfeiting element, an optical anti-counterfeiting product and a manufacturing method. The optical anti-counterfeiting element includes: a substrate; a micro-structure forming layer, wherein the micro-structure forming layer is arranged on a side surface of the substrate, the micro-structure forming layer has micro-structures, and a longitudinal section of each of the micro-structures has a preset shape; and a coating layer, wherein the coating layer is arranged on the micro-structure forming layer, the micro-structures are coated with the coating layer to form a coated micro-structure, and a height of each of the coated micro-structures continuously changes; wherein when shapes of the micro-structures have an abrupt-change, the coating layer has a demetallized region, and when a height of each of the micro-structures changes continuously, the coating layer has no demetallized region.

Abstract: A joint diagnosis method, including steps: collecting data of a current motion trajectory of a robot, solving for a frictional force of a joint, performing temperature compensation on a friction model based on a feedback temperature of the joint, and solving for an output torque of a connecting rod of the joint, to acquire a dynamics model error; performing detection and analysis on the dynamics model error, to acquire modal analysis and joint wear degree results; and determining, based on the modal analysis and joint wear degree results, whether the joint is in an abnormal wear state, and if the joint is in the abnormal wear state, triggering a joint abnormity alarm, otherwise, performing calibration on the friction model.

Abstract: A counting circuit, a semiconductor memory, and a counting method are provided. The counting circuit includes a first decoding module and a first counting module, and the first decoding module is connected with the first counting module. The first decoding module is configured to receive a first mode signal, and decode the first mode signal to generate a decoded signal; and the first counting module includes at least one counting sub-module, and is configured to: determine, according to the decoded signal, a selected target counting module from the at least one counting sub-module, receive the counting signal, count the counting signal through the target counting module, and output a first counting pulse signal every time when a counting value corresponding to the counting signals reaches an integer multiple of a counting threshold.

Abstract: Provided are a control circuit, a control method, and a semiconductor memory. The control circuit includes a timing control module and a command control module. An output terminal of the timing control module is connected to an input terminal of the command control module. The timing control module is configured to receive a first clock signal, perform counting based on the first clock signal, generate an error check and scrub (ECS) flag signal, and send the ECS flag signal to the command control module. The ECS flag signal is in a valid state when a counting value meets a preset condition. The command control module is configured to receive the ECS flag signal, obtain a refresh command signal when the ECS flag signal is in the valid state, and generate an ECS command signal based on the refresh command signal.

Abstract: The disclosure provides an optical anti-counterfeiting element and an optical anti-counterfeiting product. The optical anti-counterfeiting element comprises a substrate and a plurality of reflective mirror segments; wherein each of the plurality of reflective mirror segments is arranged on one side surface of the substrate according to a preset rule, the plurality of reflective mirror segments are arranged at intervals and two adjacent reflective mirror segments form a gap, and the plurality of reflective mirror segments and/or the gap provide pixels of macroscopic images, thereby forming macroscopic dynamic images and stereoscopic images. The disclosure solves the problem in the related art that an optical anti-counterfeiting element has a low yield.

Abstract: The disclosure is directed to a display apparatus, including: a display configured to display a user interface for presenting an electronic program guide; and a first controller configured to: send a first request including live broadcast information to cause a server to determine replay data according to a first live broadcast program included in the live broadcast information; receive the replay data from the server, and control the electronic program guide to display a second live broadcast program with a visual replay identifier.

Abstract: A delay control circuit includes a delay circuit. The delay circuit is configured to receive an initial command signal, and to perform a non-clock-triggered delay processing on the initial command signal to obtain a target command signal. The initial command signal is generated based on an ECS operation mode, a time interval between the target command signal and the initial command signal meets a preset timing condition, the initial command signal is used for performing a first operation and the target command signal is used for performing a second operation.

Abstract: A neural network, and an autonomous driving method and apparatus are provided. The neural network includes a mixture of experts MOE network and N parallel head networks. The MOE network is used to perform feature extraction and feature fusion on input data to obtain N types of feature data, where the input data includes ego vehicle data, obstacle data, road topology data, and navigation data, the N types of feature data are in a one-to-one correspondence with the N parallel head networks, and each of the N parallel head networks corresponds to one autonomous driving task; and each head network performs one corresponding autonomous driving task based on one type of feature data that is correspondingly input, where the autonomous driving task includes a prediction task, a decision task, and a planning task. Each autonomous driving task can maintain independence to some extent while maintaining certain interaction.

Abstract: A system for softening high-salinity water via self-induced calcium bicarbonate crystallization in a fluidized bed, including a fluidized bed-based crystallization-softening reaction unit, a water feeding unit, a dosing unit and a regulation unit. The fluidized bed-based crystallization-softening reaction unit is configured to induce a crystallization reaction to soften high-salinity water. The water feeding unit is configured to supply high-salinity water to the fluidized bed-based crystallization-softening reaction unit. The dosing unit is configured to supply a pH regulating agent to the fluidized bed-based crystallization-softening reaction unit. The regulation unit is configured to perform reflux replenishment for the fluidized bed-based crystallization-softening reaction unit and recover escaping crystals. A high-salinity water softening method using such system is also provided.

Abstract: A counting control circuit includes a logic control circuit and a counting statistic circuit, an output terminal of the logic control circuit is connected to a clock terminal of the counting statistic circuit. The logic control circuit is configured to receive a first clock signal and a first identification signal, and generate a counting clock signal according to the first clock signal under a control of the first identification signal. The counting statistic circuit is configured to receive the counting clock signal, count according to the counting clock signal, and generate the first identification signal which indicates a generation of a command signal for performing a first operation, here, the first identification signal is in a valid state when a counting value meets a preset condition.

Abstract: A water treatment system for delaying nanofiltration membrane aluminum fouling, including an ultrafiltration system and a nanofiltration system. The ultrafiltration system includes a first water supply sub-system, an ultrafiltration membrane group and a first water production sub-system sequentially in pipeline connection. A first dosing pipeline is provided between the first water supply sub-system and the ultrafiltration membrane group, and has a dosing port for adding a first scale inhibitor. The nanofiltration system includes a second water supply sub-system, a nanofiltration membrane group and a second water production sub-system sequentially in pipeline connection. The second water supply sub-system is communicated with the first water production sub-system. A second dosing pipeline is provided between the second water supply sub-system and the nanofiltration membrane group, and has a dosing port for adding a second scale inhibitor.

Abstract: Provided in the embodiments of the present disclosure are a delay control circuit and method, and a semiconductor memory. The delay control circuit includes a clock circuit and a delay circuit. The clock circuit is configured to receive a temperature adjustment signal, and generate a first clock signal according to the temperature adjustment signal; and a clock cycle of the first clock signal is a preset value. The delay circuit is configured to receive the first clock signal and an initial command signal, and perform delay processing on the initial command signal according to the first clock signal, so as to obtain a target command signal; and a time interval between the target command signal and the initial command signal meets a preset timing condition.

Abstract: A low-dropout regulator includes a control circuit and a voltage regulator circuit. The control circuit generates a plurality of bypass control signals according to a first output voltage on an output node and a bypass mode signal, and generates a plurality of power control signals according to the first output voltage and a low power mode signal. The voltage regulator circuit reduces a value of a current flowing through the output mode according to the plurality of power control signals, and adjusts a power supply voltage according to the plurality of bypass control signals to generate the first output voltage, or transmits the power supply voltage to the output node to output the power supply voltage as the first output voltage.

Abstract: A water treatment system for delaying nanofiltration membrane aluminum fouling, including an ultrafiltration system and a nanofiltration system. The ultrafiltration system includes a first water supply sub-system, an ultrafiltration membrane group and a first water production sub-system sequentially in pipeline connection. A first dosing pipeline is provided between the first water supply sub-system and the ultrafiltration membrane group, and has a dosing port for adding a first scale inhibitor. The nanofiltration system includes a second water supply sub-system, a nanofiltration membrane group and a second water production sub-system sequentially in pipeline connection. The second water supply sub-system is communicated with the first water production sub-system. A second dosing pipeline is provided between the second water supply sub-system and the nanofiltration membrane group, and has a dosing port for adding a second scale inhibitor.

Abstract: A system for softening high-salinity water via self-induced calcium bicarbonate crystallization in a fluidized bed, including a fluidized bed-based crystallization-softening reaction unit, a water feeding unit, a dosing unit and a regulation unit. The fluidized bed-based crystallization-softening reaction unit is configured to induce a crystallization reaction to soften high-salinity water. The water feeding unit is configured to supply high-salinity water to the fluidized bed-based crystallization-softening reaction unit. The dosing unit is configured to supply a pH regulating agent to the fluidized bed-based crystallization-softening reaction unit. The regulation unit is configured to perform reflux replenishment for the fluidized bed-based crystallization-softening reaction unit and recover escaping crystals. A high-salinity water softening method using such system is also provided.

Abstract: An FMCW LiDAR includes a transceiver, a beam shaper, a scanner, and a controller. The transceiver includes multiple ports arranged at least along a first direction. The transceiver is configured to transmit a detection light at a predetermined time sequence and receive an echo light of the detection light being reflected off an object. The beam shaper is configured to collimate the detection light and converge the echo light onto the transceiver. The scanner is configured to be rotate around an axis to reflect the detection light from the beam shaper to a target space, and reflect the echo light to the beam shaper. The controller electrically connected to the scanner, and configured to control the scanner to switch between multiple scanning modes. The scanner has different rotation speeds and/or swing amplitudes in different scanning modes. The adjacent-time ports transmit the detection light at a same predetermined time interval.

Abstract: The disclosure provides an optical anti-counterfeiting element (1) and an optical anti-counterfeiting product (0), which belong to the technical field of optical anti-counterfeiting. The optical anti-counterfeiting element includes: a substrate (2) having a first surface (21) and a second surface (22) opposite each other, at least a partial region of the substrate is transparent; and a first transflective coating (31), a dielectric layer (32) and a second transflective coating (33) which are sequentially deposited on the first surface, wherein a ratio of a refractive index to an extinction coefficient of the first transflective coating is different from a ratio of a refractive index to an extinction coefficient of the second transflective coating. When observed from the first surface, the optical anti-counterfeiting element appears in a relatively bright first color; when observed from the second surface, the optical anti-counterfeiting element appears in a relatively bright second color.

Abstract: A light detection and ranging system is provided for improving imaging accuracy and measurement range. The light detection and ranging system may comprise: a light source configured to emit a multi-pulse sequence into a three-dimensional environment, in which the multi-pulse sequence comprises multiple light pulses having a temporal profile; a photosensitive detector configured to detect light pulses returned from the three-dimensional environment and generate an output signal indicative of an amount of optical energy associated with a subset of the light pulses; and one or more processors electrically coupled to the light source and the photosensitive detector, and the one or more processors are configured to: generate the temporal profile based on one or more real-time conditions; and determine one or more parameters for selecting the subset of light pulses.