Abstract: Embodiments of the present disclosure provide a lattice Boltzmann fluid animation simulation method based on implicit particle interpolation. One specific implementation of the method includes: controlling each grid in a grid set to perform collision operations, and determining a distribution function after collision; based on the grid information contained in each grid in the grid set, moving an interface corresponding to the grid set; for each grid in the grid set, executing the following processing steps: performing a streaming of the distribution function on the grid to generate a function quantity of streaming, and determining a grid mass quantity of streaming based on the function quantity of streaming; updating the velocity of each particle on the grid; for each particle with updated velocity, updating the position of the particle; performing, based on a target area, a particle resampling process on each grid in the grid set.

Abstract: This disclosure relates to an immersive ankle rehabilitation training method and electronic apparatus based on upper limb motion signals. The innovation of this technology lies in that: firstly, this disclosure proposes a hybrid model of Regression LSTM corrected by a sliding window based voting algorithm, which predicts the changing angle of the user's wrist joint through wearable EMG sensors; secondly, this disclosure designs and develops two different VR training scenes for users of dorsiflexion and plantar flexion of foot; during the training, users wear VR headwear displays and EMG monitoring devices, to continuously perform wrist dorsiflexion or wrist palm flexion movements, predict the change in wrist joint angles in real-time through forearm sEMG signals, and map it to the contralateral ankle of the avatar in the virtual scene for rotation.

Abstract: There is provided a wearable device including at least one light source, a light sensor and a processor. The processor generates a peak interval plot according to one of at least two light detection signals detected by the light sensor when the at least one light source emits light, and generates an oxygen saturation plot according to two of the one of at least two light detection signals detected by the light sensor when the at least one emits light. The processor further determines an Apnea Hypopnea Index (AHI) score according to the peak interval plot, determines an Oxygen Desaturation Index (ODI) score according to the oxygen saturation plot and fits an obstructive sleep apnea level index corresponding to the AHI score and the ODI score.

Abstract: A sprayer includes: a container; a passage including a transparent window, a first opening, a second opening and a resonator, wherein when liquid in the container is passed through the resonator via the first opening, the liquid is emitted as a gas via the second opening; and a removable detection unit disposed outside of the passage. The removable detection unit includes: a light source for illuminating the gas in the passage; an optical sensor disposed to detect a parameter of light reflected by the gas; and a processor coupled to the optical sensor for stopping the resonator from generating the gas when the parameter is below a threshold. The passage further includes a cavity disposed on a bottom surface of the passage in front of the optical sensor, wherein when the gas in the passage contacts the bottom surface, resultant water vapour will enter the cavity.

Abstract: Embodiments of the present disclosure provide a display panel, a manufacturing method therefor, and a display apparatus. The display panel includes a first substrate and a second substrate which are aligned, liquid crystals are filled between the first substrate and the second substrate, the first substrate and the second substrate which are aligned have a display region and a peripheral region surrounding the display region, the peripheral region is provided with a frame sealing adhesive located between the first substrate and the second substrate and surrounding the display region, and the frame sealing adhesive is configured to seal the liquid crystals.

Abstract: The present application discloses an imaging system, a sequencing system, and an imaging method. The imaging system according to embodiments of the present application comprises an objective lens, an optical correction element, and image sensors. The optical correction element can move into or out of an imaging optical path of the imaging system. When the optical correction element moves into the imaging optical path, the optical correction element is positioned between the objective lens and the image sensors. By correcting the aberration generated when the imaging system images a first surface and a second surface of a sample of interest via the optical correction element, the imaging system according to embodiments of the present application can sharply image the first surface and the second surface of the sample interest, thus improving the sequencing efficiency and the sequencing throughput.

Abstract: A metal interconnect structure includes a first metal interconnection in an inter-metal dielectric (IMD) layer on a substrate, a second metal interconnection on the first metal interconnection, and a cap layer between the first metal interconnection and the second metal interconnection. Preferably, a top surface of the first metal interconnection is even with a top surface of the IMD layer and the cap layer is made of conductive material.

Abstract: An integrated machine for automatic cutting, polishing, stacking, and unloading of substrates, including a laser cutting machine, a mechanical laser arm, a polishing machine, a polishing device, a first finished product placement rack, a second finished product placement rack, and an automatic stacking device. The mechanical laser arm is fixed on the frame of the laser cutting machine, the polishing device is fixed on the polishing machine, and the first finished product placement rack and the second finished product placement rack are arranged on both sides of the automatic stacking device. The present disclosure can achieve cutting the substrates of any size, and can automatically polish the edges of the cut substrates. The present disclosure has the characteristics of automation, integration, and multi-functionality, effectively reducing the number of supporting equipment and occupying space.

Abstract: A method for determining a vacuum degree threshold is provided including: e acquiring the current altitude signal of a vehicle; when the current altitude signal is invalid, acquiring a vacuum degree threshold and a standard working time, which correspond to a historical altitude signal received by an electronic vacuum pump of the vehicle last time, the vacuum degree threshold includes a vacuum degree turn-on threshold value and a vacuum degree turn-off threshold; acquiring the actual working time of the vacuum degree threshold corresponding to the historical altitude signal of the electronic vacuum pump when the current working cycle is completed; and when the difference between the actual working time and the standard working time exceeds a preset range, updating, according to the difference, the vacuum degree threshold corresponding to the historical altitude signal, and taking the updated vacuum degree threshold as a target vacuum degree threshold of the next working cycle.

Abstract: A method and system for managing energy of a fuel cell vehicle and a vehicle. The method is applied to a vehicle including a fuel cell, the vehicle further includes a power battery and a motor, the fuel cell and the power battery are electrically connected to the motor, and the method includes: acquiring a required power of the vehicle, a rated output power of the fuel cell and a current energy efficiency of the power battery; and according to at least one of the required power, the rated output power and the current energy efficiency, controlling the power battery to operate, and controlling the fuel cell to supply electric power at the rated output power or stop supplying electric power.

Abstract: The present disclosure provides a method and system for determining a pure electric available power and a vehicle, the method being applied to a vehicle including a fuel cell, the vehicle further including a battery pack and a motor, the fuel cell and the battery pack being electrically connected to the motor, wherein the method includes: monitoring a current travelling state of the vehicle and a current on-off state of the fuel cell; acquiring a maximum peak power outputted by the motor, a maximum output power of the battery pack and a starting-up power of the fuel cell; and according to the current travelling state, the current on-off state of the fuel cell, the maximum peak power, the maximum output power and the starting-up power, determining the pure electric available power.

Abstract: A method for determining a remaining range of a vehicle, including: determining a remaining range of the vehicle driven depending on a current residual energy of a power battery, determining a remaining range of the vehicle driven depending on a current residual energy of a fuel cell, and determining a remaining range of the vehicle driven depending on a recuperated energy when an energy recuperation function of the vehicle is activated; and determining the remaining range of the vehicle based on the aforesaid remaining ranges of the vehicle. According to this method of the present disclosure, the remaining range of the vehicle may be accurately reflected, and it is more convenient for a user to schedule a vehicle trip.

Abstract: A communications terminal includes an antenna Which includes a circuit hoard, a radiator, two feeds, and two coupling structures. The radiator is disposed around an outer edge of the circuit board, and a ring-shape slot is formed between the outer edge of the circuit board and the radiator. A first feed is electrically coupled to a first coupling structure, the first coupling structure is coupled to the radiator along one direction, and a current in a first polarization direction is formed on the circuit board by using the radiator and the ring-shape slot. A second feed is electrically coupled to a second coupling structure, the second coupling structure is coupled to the radiator along another direction, and a current in a second polarization direction is formed on the circuit board by using the radiator and the ring-shape slot. A specific included angle is formed between the above two directions.

Abstract: A soldering process method includes the following steps. A temperature profile of generating a solder structure is measured. A final product of the solder structure is tested and recorded. A machine learning method is used to repeatedly compare and analyze a relationship between a plurality of the temperature profiles of the solder structure and a corresponding final product of the solder structure so as to find an optimal temperature profile model in accordance with quality control requirements.

Abstract: A communications terminal includes an antenna Which includes a circuit hoard, a radiator, two feeds, and two coupling structures. The radiator is disposed around an outer edge of the circuit board, and a ring-shape slot is formed between the outer edge of the circuit board and the radiator. A first feed is electrically coupled to a first coupling structure, the first coupling structure is coupled to the radiator along one direction, and a current in a first polarization direction is formed on the circuit board by using the radiator and the ring-shape slot. A second feed is electrically coupled to a second coupling structure, the second coupling structure is coupled to the radiator along another direction, and a current in a second polarization direction is formed on the circuit board by using the radiator and the ring-shape slot. A specific included angle is formed between the above two directions.

Abstract: A soldering process method includes the following steps. A temperature profile of generating a solder structure is measured. A final product of the solder structure is tested and recorded. A machine learning method is used to repeatedly compare and analyze a relationship between a plurality of the temperature profiles of the solder structure and a corresponding final product of the solder structure so as to find an optimal temperature profile model in accordance with quality control requirements.

Abstract: A lens design method is disclosed for designing a lens to reshape an actual far-field radiation pattern of a radiation source, such as a spiral antenna, to a preferred far-field radiation pattern. The method comprises:—determining a preferred far-field radiation pattern of the radiation source;—deriving a corresponding near-field radiation pattern from the preferred far-field radiation pattern;—determining an actual near-field pattern of the radiation source;—mapping an electric field and a magnetic field of the actual near-field radiation pattern to the derived near-field radiation pattern using a transfer relationship, the transfer relationship comprising material parameters which characterize the lens; and,—determining the material parameters.

Abstract: A lens design method is disclosed for designing a lens to reshape an actual far-field radiation pattern of a radiation source, such as a spiral antenna, to a preferred far-field radiation pattern. The method comprises: —determining a preferred far-field radiation pattern of the radiation source; —deriving a corresponding near-field radiation pattern from the preferred far-field radiation pattern; —determining an actual near-field pattern of the radiation source; —mapping an electric field and a magnetic field of the actual near-field radiation pattern to the derived near-field radiation pattern using a transfer relationship, the transfer relationship comprising material parameters which characterise the lens; and, —determining the material parameters.

Abstract: A semiconductor device including a p or p+ doped portion and an n or n+ doped portion separated from the p or p+ doped portion by a semiconductor drift portion. The device further includes an insulating portion provided adjacent the drift portion and at least one of the doped portions in a region where the drift portion and the at least one doped portion meet. The device further includes at least one additional portion, wherein the at least one additional portion is located such that, when the doped portions and the at least one additional portion are biased, the electrical potential lines leave the semiconductor drift portion homogeneously.

Abstract: A semiconductor device including a p or p+ doped portion and an n or n+ doped portion separated from the p or p+ doped portion by a semiconductor drift portion. The device further includes an insulating portion provided adjacent the drift portion and at least one of the doped portions in a region where the drift portion and the at least one doped portion meet. The device further includes at least one additional portion, wherein the at least one additional portion is located such that, when the doped portions and the at least one additional portion are biased, the electrical potential lines leave the semiconductor drift portion homogeneously.