Abstract: The present invention discloses an adaptive brain-computer interface decoding method based on multi-model dynamic ensemble, where a traditional state-space model is improved, and a set of measurement functions instead of one fixed measurement function are used to dynamically characterize a relationship between observation variables and state variables; and, by using a pool of linear and nonlinear decoders, and in a decoding process of a brain-computer interface system, decoders are automatically switched according to the data, so as to realize adaptive brain signal decoding. Through the above multi-model ensemble strategy, linear and nonlinear decoder capabilities can be integrated, the accuracy and stability of the brain-computer interface system can be improved, and decoding unstability caused by the non-stationary neural signal of the brain-computer interface system can be solved to a certain extent.

Abstract: The present invention discloses an online neuron spike sorting method based on neuromorphic computing, which converts neuron spike signals collected from the cerebral cortex into spike signals through field coding, classifies different waveforms and corresponding time stamps by means of spiking neural networks, and realizes online neuron spike sorting; at the same time, the online update method of spiking neural network is used to adapt to the online changes of neuronal spike waveform and improve the accuracy of long-term online neuronal spike sorting. This method has fast computational speed, which can improve the speed of spike sorting process, maintain high consistency in classification on different datasets, and facilitate the deployment of implanted chips.

Abstract: Provided are a liquid crystal antenna and a manufacturing method thereof. The liquid crystal antenna includes a first substrate, a second substrate and a third substrate that are stacked. The first substrate and the second substrate constitute a first box-shaped structure. A first space is disposed between the first substrate and the second substrate. The first space is filled with a liquid crystal layer. The second substrate and the third substrate constitute a second box-shaped structure. A second conductive pattern layer is disposed on a side of the second substrate. A third conductive pattern layer is disposed on a single side of the third substrate. A second space is disposed between the second substrate and the third substrate.

Abstract: A display substrate includes a base substrate, the base substrate including a display region, and the display region including a plurality of pixel regions; and at least four conductive layers arranged in a stacked manner, located on the base substrate, wherein any two adjacent conductive layers are arranged in an insulated manner, each of the conductive layers includes conductive patterns located in the pixel regions, the conductive patterns of any two adjacent conductive layers in the same pixel region form a storage capacitor (e.g., Cst1, Cst2 and Cst3), and in a direction perpendicular to the base substrate, projections of the at least four conductive layers on the base substrate overlap. A manufacturing method of a display substrate and a display device are further provided.

Abstract: The present invention discloses an online neuron spike sorting method based on neuromorphic computing, which converts neuron spike signals collected from the cerebral cortex into spike signals through field coding, classifies different waveforms and corresponding time stamps by means of spiking neural networks, and realizes online neuron spike sorting; at the same time, the online update method of spiking neural network is used to adapt to the online changes of neuronal spike waveform and improve the accuracy of long-term online neuronal spike sorting. This method has fast computational speed, which can improve the speed of spike sorting process, maintain high consistency in classification on different datasets, and facilitate the deployment of implanted chips.

Abstract: Provided are a liquid crystal antenna and a manufacturing method thereof. The liquid crystal antenna includes a first substrate, a second substrate and a third substrate that are stacked. The first substrate and the second substrate constitute a first box-shaped structure. A first space is disposed between the first substrate and the second substrate. The first space is filled with a liquid crystal layer. The second substrate and the third substrate constitute a second box-shaped structure. A second conductive pattern layer is disposed on a side of the second substrate. A third conductive pattern layer is disposed on a single side of the third substrate. A second space is disposed between the second substrate and the third substrate.

Abstract: A fixture for holding a barrel-shaped part, including an interior surface, in a fixed position includes a body configured to fit inside the barrel-shaped part and a support ring coupled to the body. The support ring includes a peripheral channel. The fixture further includes a bladder tube engaged with the peripheral channel of the support ring and inflatable to engage the interior surface of the barrel-shaped part when the body is inside the barrel-shaped part.

Abstract: A metal matrix composite is provided, including a metal, inorganic particles, and discontinuous fibers. The inorganic particles and the discontinuous fibers are dispersed in the metal. The metal includes aluminum, magnesium, or alloys thereof. The inorganic particles have an envelope density that is at least 30% less than a density of the metal. The metal matrix composite has a lower envelope density than the matrix metal while retaining a substantial amount of the mechanical properties of the metal.

Abstract: A fixture for holding a barrel-shaped part, including an interior surface, in a fixed position includes a body configured to fit inside the barrel-shaped part and a support ring coupled to the body. The support ring includes a peripheral channel. The fixture further includes a bladder tube engaged with the peripheral channel of the support ring and inflatable to engage the interior surface of the barrel-shaped part when the body is inside the barrel-shaped part.

Abstract: A method of making a porous metal matrix composite is provided. The method includes mixing a metal powder, a plurality of inorganic particles, and a plurality of discontinuous fibers to form a mixture, wherein the metal powder comprises aluminum, magnesium, an aluminum alloy, or a magnesium alloy. The method further includes sintering the mixture to form the porous metal matrix composite. Typically, the inorganic particles comprise porous particles or ceramic bubbles or glass bubbles, and the inorganic particles and the discontinuous fibers are dispersed in the metal. The metal matrix composite has a lower density than the metal and an acceptable yield strength.

Abstract: Provided are methods of manufacturing hollow glass microspheres where a feed composition comprising a glass powder and a blowing agent entrained in the glass powder is introduced into an opening at a first end of a vertically-aligned furnace. Agglomerated glass, unmelted oxides, or natural glassy materials can be used in place of, or in addition to, the glass powder in the feed composition.

Abstract: Glass particles comprise glass microbubbles. The glass particles have a size distribution with a d50 in the range of from 15 to 100 microns, and have a true density of less than 0.7 g/cm3. The glass particles comprise, on an equivalent weight basis: from 50 to 70 weight percent silica; from 2 to 7 weight percent of boria; from 0.5 to 4 weight percent of weight zinc oxide; from 8 to 17 weight percent of calcia; from 0.8 to 7 weight percent of phosphorus pentoxide; and from 2 to 9 weight percent of sodium oxide.

Abstract: There is provided a method for making hollow microspheres by means of dispensing the feed using vibratory energy, preferably ultrasonic energy, hollow microspheres made using the method, and an apparatus for making hollow microspheres.

Abstract: Glass particles comprise glass microbubbles. The glass particles have a size distribution with a d50 in the range of from 15 to 100 microns, and have a true density of less than 0.7 g/cm3. The glass particles comprise, on an equivalent weight basis: from 50 to 70 weight percent silica; from 2 to 7 weight percent of boria; from 0.5 to 4 weight percent of weight zinc oxide; from 8 to 17 weight percent of calcia; from 0.8 to 7 weight percent of phosphorus pentoxide; and from 2 to 9 weight percent of sodium oxide.

Abstract: An electrostatic protection structure is disclosed. One inventive aspect is an electrostatic protection structure. The electrostatic protection structure includes a data line, adapted to transmit a pixel signal, where the data line includes an electrostatic diverting path. The electrostatic protection structure also includes a signal transmission path, where a first terminal of the signal transmission path is connected to a pixel unit, and a second terminal of the signal transmission path is connected to a signal output terminal, where the second terminal is configured to output a signal from the pixel unit. A first terminal of the electrostatic diverting path is connected to a constant potential, and a second terminal of the electrostatic diverting path is connected to the signal output terminal, and the impedance of the signal transmission path is greater than the impedance of the electrostatic diverting path.

Abstract: There is provided hollow microspheres comprising: at least 45 wt % of recycled glass based on the total weight of a feed composition from which the hollow microspheres are derived, wherein the hollow microspheres have a density of less than 1.25 g/cm3, strength at 20% volume reduction greater than 20 MPa and have a substantially single cell structure. There is also provided hollow microspheres comprising: a blend of recycled glass and glass feed, wherein the hollow microspheres have a density of less than 1.25 g/cm3 and are made from a feed composition that is essentially free of an added effective blowing agent. There is provided a method for making hollow microspheres.

Abstract: There is provided a method for making hollow microspheres by means of dispensing the feed using vibratory energy, preferably ultrasonic energy, hollow microspheres made using the method, and an apparatus for making hollow microspheres.

Abstract: A device and method for assessing the damage state of solid materials and structures subjected to loading. The device includes multiple AE sensors connected to the switch controller/Amplifier/AD convertor, the event sorting module, the spectrum assignment unit, the probability space resolver, the trajectory of damage state generator, power source, and a visual display. The method includes means to assess and analyze performance of solid materials and structures that accounts for the influence of microscopic random damage events statistically, the method including the steps of sorting the electric signals into a series of non-overlapping AE events; determining the spectra of the sorted events; computing the probability distribution of the spectra; computing the probabilistic entropy of the probabilistic distribution; and generating the trajectory of damage state.

Abstract: There is provided a method for making hollow microspheres including heating a feed under conditions sufficient to convert at least a portion of the feed into hollow microspheres, where the heating is conducted under a vacuum. There is also provided hollow microspheres made using this method.

Abstract: There is provided hollow microspheres that are essentially free of blowing agent. There is also provided hollow microspheres comprising perlite and having a single cell structure.