Abstract: A hyperspectral imaging method includes: providing time-domain synchronous mid-infrared ultrashort pulse and near-infrared ultrashort pulse as pump light and signal light, respectively; subjecting the signal light to optical time-stretching to broaden a pulse width of the signal light; directing the time-stretched signal light to a target sample to be detected; directing the pump light to a time delayer to adjust the time when the pump light reaches a silicon-based camera; spatially combining the time-stretched signal light from the target sample with the pump light from the time delayer; directing combined light to a silicon-based camera where the signal light is detected through non-degenerate two-photon absorption of the signal light under the action of the pump light to acquire hyperspectral imaging data; and obtaining an image of the target sample based on the hyperspectral imaging data.

Abstract: An axial split-phase bearingless flywheel motor includes a stator, a stator sleeve, a rotor, a rotor sleeve, and a flywheel. The stator and the rotor are axially divided into phases A, B and C. An axially magnetized permanent magnet is provided between every adjacent phases. Twelve rotor poles are provided at equal intervals on an inner side of the rotor core in each of the phases A, B, and C. The rotor poles in the phases A, B and C are staggered in sequence along a circumference by ? of a rotor pole pitch. Eight torque poles in a shape of narrow teeth and four suspension poles in a shape of wide teeth are provided on the stator core in both the phases A and C, and twelve torque poles of a uniform width are provided on the stator core in the phase B.

Abstract: The present invention discloses a data-driven three-stage scheduling method for electricity, heat and gas networks based on wind electricity indeterminacy, including the following steps: S1, initializing; S2, establishing a deterministic electricity-heat-gas coordination optimized scheduling model; S3, establishing a data-driven distributed robust scheduling optimization model under mixed norms; S4, solving a master economic scheduling problem; S5, verifying convergence of a wind electricity indeterminacy subproblem: if the subproblem converges, going to step S6, otherwise going to step S4 and adding a constraint to the master economic scheduling problem by using a CCG algorithm; and S6, checking the convergence of a gas network operation constraint subproblem: if the gas network operation constraint subproblem converges, ending the calculation to obtain an optimal solution, otherwise, going to step S4 and adding a Benders cut set constraint to the master economic scheduling problem.

Abstract: An axial split-phase bearingless flywheel motor includes a stator, a stator sleeve, a rotor, a rotor sleeve, and a flywheel. The stator and the rotor are axially divided into phases A, B and C. An axially magnetized permanent magnet is provided between every adjacent phases. Twelve rotor poles are provided at equal intervals on an inner side of the rotor core in each of the phases A, B, and C. The rotor poles in the phases A, B and C are staggered in sequence along a circumference by ? of a rotor pole pitch. Eight torque poles in a shape of narrow teeth and four suspension poles in a shape of wide teeth are provided on the stator core in both the phases A and C, and twelve torque poles of a uniform width are provided on the stator core in the phase B.

Abstract: A laser discharge tube has a substantially-rectangular discharge cross-section to achieve a high power of laser output with a shorter discharge tube length.