8results about How to "Accurate resolution" patented technology

The application provides a method for identifying a wafer, comprising the following steps. A mark frame is obtained from a wafer detection picture. A gray scale index corresponding to the mark frame is calculated based on respective gray scale values of a plurality of pixels included in the mark frame. The gray scale index represents a proportion of pixels with a gray scale value greater than a specified value. Whether a trace pattern in the mark frame is a scratch or a grain boundary is determined based on the gray scale index.

The utility model discloses a kind of tactile sensor and robot.The tactile sensor includes: first detection structure, first electric conductor and second electric conductor, and first detection structure extends along first direction;First detection structure is used to produce corresponding deformation according to the force state of tactile sensor in second direction, and the first electric parameter of first detection structure changes according to the force state of tactile sensor in second direction;First electric conductor and second electric conductor are alternately wound on first detection structure, and along first direction, and first electric conductor and second electric conductor are arranged with interval;The second electric parameter between first electric conductor and second electric conductor changes according to the force state of tactile sensor in first direction;Wherein, first electric conductor is wound at least one circle on first detection structure, and second electric conductor is wound at least one circle on first detection structure.The tactile sensor provided by the technical scheme of the utility model can accurately distinguish and measure force in different directions.

The application discloses a mahjong machine with a control lighting lamp, and belongs to the technical field of mahjong machines, and has the technical scheme as follows: the mahjong machine comprises a mahjong machine main body, irradiation lamp strips are rotationally arranged on four sides of the mahjong machine main body, placing areas for placing mahjong hands are arranged on the four sides of the mahjong machine main body, the light beams of the irradiation lamp strips are obliquely shot from bottom to top to the mahjong hands in the corresponding placing areas, a controller is arranged on the mahjong machine main body, human body sensing modules are arranged on the four sides of the mahjong machine main body, the human body sensing modules are electrically connected with the controller, the controller is electrically connected with the irradiation lamp strips, when the human body sensing modules sense a human body, the controller controls the corresponding irradiation lamp strip to be turned on, and the four sides of the mahjong machine main body are provided with adjusting knobs for adjusting the brightness of the corresponding irradiation lamp strips, the mahjong machine forms effective light zones on the mahjong hands through the irradiation lamp strips, the recognition of the mahjong hands by users is enhanced, and the use experience is improved.

The invention discloses a temperature compensation method of a capacitive force / torque sensor and a sensor structure of the capacitive force / torque sensor. The sensor comprises an upper-layer substrate, a middle substrate and a lower-layer substrate, and an interdigitated electrode is arranged between the upper-layer substrate and the middle substrate and used for tangential force detection; a strip-shaped dielectric layer and a capacitor electrode array are arranged between the middle substrate and the lower substrate and are used for normal force and torque detection; the lower substrate is provided with a temperature compensation reference electrode used for collecting the environment temperature. The system takes a capacitance digital conversion chip as a core to realize multi-channel signal sampling and real-time resolving, and establishes a mapping relation between capacitance variation and five-dimensional force / torque components. In addition, in order to reduce the influence of the environment temperature on the output of the sensor, a temperature compensation method based on a binary polynomial regression model is used, a capacitance-temperature characteristic curved surface is established through a temperature and load experiment matrix, temperature compensation parameters are calculated in real time, and dynamic correction is achieved. The method is small in calculation amount, and improves the precision and stability.

The application discloses a dynamic power quality disturbance signal detection method, device and medium, and the method steps comprise the following steps: S01, acquiring a dynamic power quality disturbance signal to be detected; S02, dividing a signal frequency band, and performing time-frequency analysis on the dynamic power quality disturbance signal by using an improved variable resolution S transform method; the improved variable resolution S transform method is an S transform based on a Gaussian window, and a Gaussian window scale factor is used to optimize the Gaussian window function; S03, performing a synchronous squeezing rearrangement operation on the improved variable resolution S transform result, so that energy components scattered in adjacent frequency intervals are aggregated to real frequency axis positions, and a time-frequency matrix after synchronous squeezing rearrangement is obtained; and S04, detecting signal components of the time-frequency matrix after synchronous squeezing rearrangement. The application can reduce energy diffusion and realize high-precision detection of non-stationary multi-scale complex dynamic power quality disturbance signals.

The application discloses a C+L transmission system noise wave automatic filling method and device, relates to the optical communication technical field, and the C+L transmission system noise wave automatic filling method comprises the following steps: if the power of the optical amplifier of the downstream station of the C+L transmission system is abnormal, then starting optical channel monitoring OCM scanning, acquiring the frequency and power information of the missing channel; based on the frequency and power information of the missing channel, starting the automatic filling of the noise wave.The application can maintain the stability of the service channel of the C+L transmission system in the dynamic process.

The invention discloses an out-of-focus coding snapshot type spectrum scattering imaging method based on deep learning, and belongs to the field of computational imaging. Comprising a projector, a collimating lens, a diaphragm, an imaging lens, a scattering medium, a liquid crystal lens and a monochromatic camera which are sequentially arranged in the direction of an optical axis. The axial dispersion characteristic of a liquid crystal lens is used as a physical coding mechanism, and a single-frame mixed speckle image is obtained; learning a mapping relation between speckle distribution and a specific wavelength image by constructing and training a U-Net neural network including wavelength indication channel input; the target image of each wavelength channel can be decoupled and recovered only by inputting the single-frame mixed speckle and the wavelength indication diagram into the network. According to the invention, a mechanical scanning device, an optical filter or a special coding aperture is not needed, the method has the advantages of simple optical path, low cost, high time resolution and the like, and high-quality snapshot spectral imaging penetrating through the scattering medium is realized.

The utility model relates to the technical field of automobile wire harness, disclose a wire harness protection structure including the support of square tubulose, the opening of support one side, the inner wall of support is equipped with the isolation unit interval, and the isolation unit unit includes the mounting seat of 'Fang' character type, and the both sides of mounting seat bottom plate are opened and have the accommodating groove, and the fixed shaft of same direction extension is equipped in accommodating groove, and the sleeve is rotatably connected on fixed shaft, and the part outside of sleeve exposes on accommodating groove portion and is fixedly connected with the limiting plate, and the back of limiting plate is equipped with elastic element between mounting seat side plate, through setting isolation unit, the wire harness of different function, effect is isolated in the inside support, on one hand, not only avoids the entanglement between wire harness, but also can effectively prevent the interference between wire harness each other, on the other hand, in the maintenance process of later period, can find out, distinguish the problem circuit accurately quickly, bring great convenience to the maintenance process while the maintenance efficiency is improved significantly.