5results about How to "Improve practical ability" patented technology

This invention discloses a device and method for measuring quantum energy levels based on surface photovoltage. The device includes: a tunable wavelength monochromatic light source module, a signal generation and modulation module, and a signal receiving and detection module. The tunable wavelength monochromatic light source module is used to convert polychromatic divergent light into monochromatic light with a tunable wavelength. The signal generation and modulation module is used for quantum energy level measurement, spin energy level measurement, and quantum energy level modulation in atmospheric or vacuum environments. The signal receiving and detection module is used to receive the photovoltage signal of the sample and obtain the dependence of photovoltage on wavelength. The device has advantages such as low cost, easy partial replacement and maintenance, and convenient functional expansion.

This invention belongs to the field of display interaction technology and provides a pointing interaction method and system based on hidden QR code embedding. Several QR code images are hidden and embedded in the display screen of the target screen. These QR code images utilize the human eye's flicker fusion effect, displaying frames alternately on the target screen according to a preset refresh rate, making the QR code images invisible to the human eye. In response to scanning and capturing by a smartphone camera, the QR code images are extracted and recognized. Based on the extracted and recognized information, the coordinates of the smartphone camera's optical center on the screen are calculated, obtaining the corresponding pointing position of the user on the screen. A cursor pattern that moves with the smartphone is displayed at the corresponding coordinate position, realizing pointing positioning of the smartphone on the display screen. This invention realizes pointing positioning function based on a smartphone on the display screen.

This invention relates to the field of wind energy forecasting technology, and more particularly to a method, system, device, and storage medium for early warning of extreme offshore wind power events based on typhoon forecasting. The method includes acquiring real-time satellite cloud images; identifying and marking regions of typhoons in the satellite cloud images based on their morphological characteristics; obtaining the pixel coordinates of the centroid of these regions and converting them into actual latitude and longitude coordinates to obtain the typhoon's eye coordinates; acquiring infrared satellite cloud images; obtaining the maximum wind speed radius based on the typhoon's eye coordinates; and estimating the current maximum wind speed using a preset wind speed model; calculating the typhoon's short-term trajectory, future maximum wind speed, and maximum wind speed radius using a preset typhoon short-term dynamics integrated prediction model; and predicting the typhoon's impact on a designated location within a future timeframe using a preset typhoon physical model, and calculating the wind speed and direction at that location.

This invention discloses a design method for the reinforcement configuration of the shell of a subsea concrete spherical battery. This method relates to the field of marine engineering structures and building materials technology, and includes the following steps: establishing and validating a mapping model, correcting circumferential force and performing dual verification, and determining and outputting the reinforcement configuration scheme. This invention establishes a water depth-diameter-stress mapping model and verifies its validity. Then, it corrects the circumferential force using an additional bending moment, determines the reinforcement area on one side through strength and crack control verification, and finally selects a single / double layer steel mesh based on the design water depth of the spherical shell, outputting a complete reinforcement scheme. This improves the safety and durability of the energy storage structure for long-term use, and solves the problem in existing technologies where the lack of a dedicated method for determining the reinforcement configuration scheme and the absence of design criteria that balance crack width control and durability leads to overly conservative designs, resulting in resource waste and structural failure risks, thus failing to guarantee the safety and durability of the energy storage structure for long-term use.

The utility model discloses a children's sliding walking aid, which comprises a vehicle body and a front vehicle cover; the front vehicle cover is movably connected to the middle part of the vehicle body, and the front vehicle cover and the vehicle body enclose a cavity. Under the premise of limited space at the front of the children's walking aid and interference from a steering wheel or a grip, the utility model provides a front vehicle cover movably connected to the vehicle body at the front of the vehicle, so that the front vehicle cover can be opened relative to the vehicle body. On the basis that the vehicle body can perform the basic walking aid function of the walking aid, it can guide children to have a correct, practical and logical understanding of the structure of a car.