Abstract: A parallel control method and a parallel control system for single-phase inverters and an inverter. Acquiring an output voltage and an output current of each of the single-phase inverters; transforming a voltage and a current in static abc coordinates into dq coordinates by reconstruction and coordinate transformation so as to realize decoupling of the voltage and the current; transforming an output voltage command value of a current loop in dq coordinates into abc coordinates by coordinate transformation; and modulating and generating modulation waves according to an output voltage command value in abc coordinates to control a switching of a power device.

Abstract: There is provided a method of decoding an image, the method comprising: decoding information for motion information prediction of a current block from a bitstream, predicting motion information of the current block based on the information, refining motion information of the current block by using the decoded information and the predicted motion information of the current block and reconstructing the current block based on the refined motion information of the current block.

Abstract: When polymer-stabilized blue-phase liquid crystal is driven by comb-shaped electrodes, a large electric field is generated near the electrodes, and electrostriction results in degradations in the switching speed of polymer-stabilized blue-phase liquid crystal. This optical switching engine is manufactured by inserting polymer-stabilized blue-phase liquid crystal between parallel plates on which are formed conventional thin film electrodes, followed by bonding a polarization grating plate thereto, and disposing or bonding two silicon wedges having triangular cross sections to the sides thereof so as to have rotational symmetry with each other.

Abstract: A method and system for measuring an inert gas by an ion probe. Embedding a to-be-measured sample into an epoxy resin, to obtain a sample target, where the to-be-measured sample includes an inert gas atom; after putting the obtained sample target into an analysis chamber of the ion probe, vacuumizing the analysis chamber, where the ion probe includes a primary ion source, an electron gun, a mass analyzer, and an ion detector; bombarding the sample target by using a primary ion beam formed by the primary ion source to release the inert gas atom in the sample target; ionizing the released inert gas atom by using an electron beam formed by the electron gun to form an inert gas ion; and analyzing a secondary ion containing the inert gas ion by using the mass analyzer and the ion detector to achieve measurement of the inert gas.

Abstract: A pseudo-random cipher stream is used to band-spread an optical carrier signal with coded data. A legitimate receiver uses an agreed-upon key to modulate its local oscillator and a resulting beat signal uncovers the band-spread signal. An eavesdropper who does not have the key finds the spread signal with too low signal-to-noise ratio to perform any useful determination of the message sequence. Theoretical bounds based on Shannon's Theory of Secrecy are used to show strength of the encoding scheme and predict it to be superior to the prior art.

Abstract: The present invention discloses an Unmanned Surface Vehicle (USV) for aquatic ecosystem monitoring and restoration and a control method for aquatic ecosystem restoration. A control cabin, a water-quality monitoring cabin, and a water treatment equipment compartment are arranged inside a cabin of a hull of the USV for aquatic ecosystem monitoring and restoration, and a water-surface photographing device and a remote communications device are arranged outside the cabin; the control cabin is connected to the water-quality monitoring cabin, the water-surface photographing device, and the water treatment equipment compartment; the water quality parameters include five conventional water quality parameters and eutrophication-based water quality parameters; and the remote communications device is connected to the water-quality monitoring cabin and the water treatment equipment compartment.

Abstract: The present invention provides a reciprocal-flow-type nucleic acid amplification device comprising: heaters capable of forming a denaturation temperature zone and an extension/annealing temperature zone; a fluorescence detector capable of detecting movement of a sample solution between the two temperature zones; a pair of liquid delivery mechanisms that allow the sample solution to move between the two temperature zones and that are configured to be open to atmospheric pressure when liquid delivery stops; a substrate on which the chip for nucleic acid amplification according to claim 2 can be placed; and a control mechanism that controls driving of each liquid delivery mechanism by receiving an electrical signal from the fluorescence detector relating to movement of the sample solution from the control mechanism; the device being capable of performing real-time PCR by measuring fluorescence intensity for each thermal cycle.

Abstract: The method for scanning a transform coefficient of the present invention comprises the steps of: determining a reference transform block for a block to be decoded; deriving a scanning map of the block to be decoded using scanning information of the reference transform block; and executing a reverse-scan on the transform coefficient of the block to be decoded using the derived scanning map. The present invention enhances image encoding/decoding efficiency.

Abstract: Provided is a brain function measurement device capable of improving the reliability of brain function measurement using a simple configuration. The brain function measurement device includes light source probes LD2 and LD12 for irradiating the scalp of a test subject with light beams; linearly polarizing films P2 and P3 for polarizing the light beams emitted from the light source probes LD2 and LD12 in a first direction; a linearly polarizing film P1 for blocking components in the first direction of reflected light beams that are generated as the light beams emitted from the linearly polarizing film P2 and P3 are reflected by the hairs of the test subject; and a detection probe PD1 for detecting the intensity of a light beam that has passed through the linearly polarizing film P1.

Abstract: An electrode-type near-bit wireless short-distance transmission modulation method includes the steps of by a near-bit measuring tool, measuring parameters, and acquiring parameter information, and packing the parameter information into a data packet, and transmitting the data packet to a transmission processor part; by the transmission processor part, performing binary frequency shift keying modulation on the data packet, and according to a set transmission power and driving source power, passing the modulated data packet through an amplifying circuit and a driving circuit, and then loading the modulated data packet to positive and negative electrodes of a transmitter; and by the positive and negative electrodes of the transmitter, transmitting the modulated data packet passed through the amplifying circuit and the driving circuit to a receiver, so as to realize electrode-type wireless short-distance transmission modulation.

Abstract: Technologies for combusting hazardous compounds such as chemical warfare agents and related compounds are disclosed. In embodiments, the technologies include systems and methods for combusting such compounds in an internal combustion engine, such as a spark ignition internal combustion engine, a diesel engine, or the like. The technologies described herein further include components for treating an exhaust gas stream produced by combustion of hazardous compounds. In embodiments such components include a scrubber that utilizes a scrubbing media such as soil to removing acid gases from the exhaust stream.

Abstract: Proposed are a deep learning method and apparatus for the automatic upright rectification of VR content. The deep learning method for the automatic upright rectification of VR content according to an embodiment may include inputting a VR image, to a neural network and outputting orientation information of the VR image through a trained neural network.

Abstract: A computing device predicts occurrence of an event or classifies an object using distributed unlabeled data. A Laplacian matrix is computed using a kernel function. A predefined number of eigenvectors is selected from a decomposed Laplacian matrix to define a decomposition matrix. A gradient value is computed as a function of the defined decomposition matrix, a plurality of sparse coefficients, and a label matrix, a value of each coefficient of the plurality of sparse coefficients is updated based on the computed gradient value, and the computations are repeated until a convergence parameter value indicates the plurality of sparse coefficients have converged. A classification matrix is defined using the plurality of sparse coefficients to determine the target variable value for each observation vector of the plurality of unclassified observation vectors. The target variable value for each observation vector of the plurality of unclassified observation vectors is output.

Abstract: An interactive fish tank system includes a nozzle array provided in a water tank, wherein a plurality of bubble nozzles from which bubbles are emitted are arranged in the nozzle array; a computing device configured to receive user action information inputted from at least one user action input device, generate bubble conversion information by which characteristics of the user action information are expressed as bubbles generated from at least one of the plurality of bubble nozzles, and generate a control signal for supplying air to emit bubbles corresponding to the bubble conversion information; and an air injection device connected to the plurality of bubble nozzles through hoses, wherein the air injection device supplies air to at least one of the plurality of bubble nozzles based on the control signal.

Abstract: An analytic system provides direct functional principal component analysis. (A) A next group variable value is selected from values of a group variable. (B) Explanatory variable values of observations having the selected next group variable value are sorted in ascending order. (C) The response variable value associated with each sorted explanatory variable value is stored in a next row of a data matrix. (D) (A) through (C) are repeated. (E) An eigenfunction index is incremented. (F) An FPCA is performed using the data matrix to define an eigenfunction for the eigenfunction index. (G) (E) and (F) are repeated. (H) FPCA results from the performed FPCA are presented within a window of a display. The FPCA results include an eigenvalue and an eigenfunction associated with the eigenvalue for each functional principal component identified from the performed FPCA in (F).

Abstract: A Group VB element doped with a ?-gallium oxide crystalline material, and a preparation method and application thereof. The series doped with the ?—Ga2O3 crystalline material is monoclinic, the space group is C2/m, the resistivity is in the range of 2.0×10?4 to 1×104?·cm, and/or the carrier concentration is in the range of 5×1012 to 7×1020/cm3. The preparation method comprises steps of: mixing M2O5 and Ga2O3 with a purity of 4N or more at molar ratio of (0.000000001-0.01):(0.999999999-0.99); an then performing crystal growth. The present invention can prepare a high-conductivity ?-Ga2O3 crystalline material with n-type conductivity characteristics by conventional processes, providing a basis for applications thereof to electrically powered electronic devices, optoelectronic devices, photocatalysts or conductive substrates.

Abstract: The present invention relates to a dynamic security method and system based on multi-fusion linkage response. In the method, a site control device conducts active response and passive response through identity authentication and key management to give an alarm for abnormal behaviors. The system comprises an access authentication active response module, an access control active response module, an access control passive response module, an abnormal pretending passive response module, a key vulnerability passive response module and an abnormal state passive response mechanism module. On the basis of ensuring validity and feasibility for the security of a terminal device, the present invention can build a secure and trusted industrial control system operating environment.

Abstract: A hearing aid and method for use of the same are disclosed. In one embodiment, the hearing includes a body that at least partially conforms to the contours of an external ear and is sized to engage therewith. Various electronic components are contained within the body, including an electronic signal processor that is programmed with a respective left ear qualified sound range and a right ear qualified sound range. Each of the left ear qualified sound range and the right ear qualified sound range may be a range of sound corresponding to a preferred hearing range of an ear of the patient modified with a subjective assessment of sound quality according to the patient. Sound received at the hearing aid is converted to the qualified sound range prior to output.

Abstract: A film forming composition comprises a film forming component and a solvent, wherein the film forming component comprises 0-50 wt % of a first water soluble polymer, 0.3-40 wt % of a second water soluble polymer, 0-15 wt % of plasticizer and 50-70 wt % of active ingredient. The first and second water soluble polymers have a Tg of ?52° C. to 216° C., and difference of Tg values of the first and second water soluble polymer is 62-268° C. The film formed by the film forming composition capable to load high content of active ingredient and lead to fast absorption of active ingredient is provided.

Abstract: A pulse hydraulic fracturing tool of coiled tubing dragging with bottom packer includes a pulse frequency regulating device and liquid jetting device connected to each other. The pulse frequency regulating device has a rotor, a rotating member, a fixed member and a stator. An eccentric setting is arranged between the stator and the rotor. A part of a first fluid provided by the coiled tubing flows into the jet cavity through the channel in the rotor, and drives the rotor to rotate with another part of the first fluid, such that a first passing region is formed between the rotating member and the fixed member in a predetermined pulse frequency. The another part of the first fluid flows into the jet cavity through the first passing region. The nozzle ejects two parts of the first fluid mixed in the jet cavity out.