275 results about "Starlight" patented technology

The invention provides a laser load autonomous pointing calibration optimization method and system. Belongs to the technical field of space aurora communication. The method comprises the steps that according to the position and speed of a satellite under a J2000 coordinate system, an orbital normal vector is solved, and an orbital coordinate system is established; carrying out target star screening; according to the screened star catalogue, sequentially pointing to the target star in an open-loop manner; and when the target star is in the view field range of the star-sensitive camera, calculating miss distance x and y according to the position of the mass center of the light spot of the target star and the deviation of the tracking point, and then inversely calculating the theoretical direction of the motor. According to the autonomous calibration scheme provided by the invention, an algorithm for autonomously screening the target stars is provided, fixed star data does not need to be injected on the ground, and the calibration efficiency and the data reliability are greatly improved.

The invention discloses a dual-mode star-flash water meter ad hoc network communication method based on SLE + SLB, which overcomes the problems of low network coverage rate and poor transmission quality of a wireless intelligent meter reading network in the prior art, and comprises the following steps: a star-flash water meter terminal establishes connection with a peripheral star-flash routing terminal by using an SLB mode; if not, establishing a connection with the peripheral star flash routing terminal by using an SLE mode; if the connection cannot be established in the SLE mode, scanning other peripheral satellite flash water meter nodes by using the SLE mode, acquiring equipment list information of other satellite flash nodes in a preset range, and establishing the connection; selecting a second star flash water meter node with the optimal signal intensity in the connected equipment, and updating the equipment list information of the star flash water meter node; and determining a communication mode according to the relationship between the signal intensity of the satellite flash water meter node and the signal intensity of the second satellite flash water meter node. Three communication modes can be realized, the network coverage rate is greatly improved, the network access success rate is improved, and the installation and maintenance cost is reduced.

The utility model provides a quick detection device for quick type biological indicators, which comprises a shell, a darkroom and a control system, the darkroom and the control system are arranged in the shell, a camera component and a culture room corresponding to the camera component are arranged in the darkroom, a plurality of detection holes for placing the biological indicators are arranged in the culture room, and the detection holes are communicated with the control system. An ultraviolet light source is arranged in the detection hole, a mounting hole corresponding to the detection hole is formed in the cover plate above the darkroom, and an opening is formed in the position, corresponding to the mounting hole, of the shell. According to the utility model, the super-definition starlight CCD camera is adopted to detect fluorescence generated in the biological indicator, the detection speed is high, the accuracy is high, and real-time monitoring and alarming can be realized.

The invention provides an optical navigation method and device for an earth-moon spacecraft, electronic equipment and a storage medium. The method comprises the steps that an optical image of the moon is shot through image acquisition equipment, the optical image is analyzed according to imaging parameters of the image acquisition equipment, the angle diameter of the moon is obtained, the target distance of the earth-moon spacecraft relative to the moon is calculated according to the angle diameter of the moon, and the optical image comprises the surface of the moon; measuring starlight angular distance information between the earth-moon spacecraft and the moon by adopting a star sensor, wherein the starlight angular distance information is used for representing the angular distance between the navigation star and the centroid of the moon detected by the star sensor; and calculating the current orbit position and the current attitude of the earth-moon spacecraft by adopting a navigation solution algorithm according to the target distance and the starlight angle distance information.

1. The name of this design product: Starry Sky Lamp (Astronaut). 2. Purpose of this design product: for projection and lighting. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

The invention relates to a starlight atmospheric refraction navigation method and device based on ray tracing and electronic equipment, and the method comprises the following steps: simulating a transmission process of real starlight in the earth atmosphere according to ray tracing on the basis of a global atmospheric refraction index field by utilizing a refracted starlight observed quantity obtained by observation of a star sensor; and establishing an iterative algorithm to estimate the refraction apparent height, and positioning the spacecraft through the mapping relation between the apparent height and the position of the spacecraft. The method can effectively reduce the influence of global atmospheric temporal and spatial change on starlight atmospheric refraction navigation, and improves the autonomous navigation precision of a spacecraft.

The invention provides an integrated navigation method combining starlight refraction positioning with inertial navigation in a near space, and belongs to the technical field of starlight refraction navigation positioning. The method comprises the following steps: firstly, determining a state model of starlight refraction positioning in a near space by taking an error equation of an inertial navigation system of a near space aircraft as a state equation; designing a near space starlight refraction positioning algorithm, identifying a refraction star by using a star sensor on the aircraft, acquiring a refraction angle as a measurement, and establishing a measurement model of starlight refraction positioning in a near space; and obtaining the optimal estimation value of the system state variable by using an extended Kalman filter (EKF) method. The method has the advantages of being suitable for near space, high in reliability, high in autonomy and the like, and can be finally used for pure astronomical positioning and astronomical / inertial integrated navigation.

The invention relates to the technical field of ceramics, in particular to dry granular glaze with a starlight effect and a frosted texture, a ceramic tile and a preparation method of the ceramic tile. The dry granular glaze with the starlight effect and the frosted texture is prepared from the following components in parts by mass: 57 to 62 parts of high-temperature dry granules, 36 to 40 parts of low-temperature dry granules and 1 to 4 parts of zircon sand, the sum of the high-temperature dry particles, the low-temperature dry particles and the zircon sand is 100 parts. According to the dry granular glaze, the high-temperature dry granules, the low-temperature dry granules and the zircon sand are matched according to a specific ratio, so that a three-dimensional fluorescent effect and a frosted texture can be formed after the dry granular glaze is sintered.

The invention discloses a robust adaptive fusion filtering astronomical attitude determination method and system, and belongs to the technical field of radio navigation. The method comprises the following steps: constructing an integrated navigation model of a starlight and inertial integrated navigation system based on Lie group description; obtaining an observation residual error and an observation residual error covariance of a corresponding mode; robust and adaptive mode parallel sub-filtering is carried out, and posterior states and covariances in the two modes are updated; updating the mode probability; and fusing the updated posterior state with the covariance to obtain fusion output of parallel sub-filtering, taking the fusion output of the parallel sub-filtering as final estimation of the starlight and inertial integrated navigation system based on Lie group description, and outputting an astronomical attitude determination result containing an azimuth angle, a pitch angle and a roll angle. The high-precision astronomical attitude determination method has strong adaptability, strong robustness and accuracy when coping with complex noise and measuring outliers, and can realize high-precision astronomical attitude determination of starlight and inertial integrated navigation in a complex dynamic environment.

The invention relates to the technical field of camera on-orbit calibration, in particular to a fisheye camera on-orbit calibration method based on a starlight vector, which comprises the following steps of: S1, acquiring a plurality of star maps observed by a fisheye camera on orbit, and extracting and denoising star points to form a star point set; s2, according to fisheye imaging distortion distribution, a star point located in an imaging center area is selected from a star point set, and a starlight vector is constructed based on image point coordinates of the star point in combination with star catalogue data subjected to space-time deviation and propagation path deviation correction; and S3, performing local geometrical relationship star point matching on the starlight vector in the step S2. According to the method, the multiple star maps observed by the fisheye camera in orbit are obtained and processed to form the star point set, so that the problems of poor in-orbit calibration applicability and low precision caused by the fact that most traditional fisheye camera calibration methods adopt a ground pre-calibration or space reference object arrangement mode are solved.

The utility model discloses a lace fabric which comprises a straight chain stitch and a fancy yarn, the straight chain stitch forms a bottom net structure of the lace fabric, and the fancy yarn is lined into the bottom net structure to form a floral pattern of the lace fabric; the fancy yarn adopts yarn with bright starlight effect, the yarn with bright starlight effect uses chinlon yarn as core yarn, and a plurality of glittering sequins are sleeved on the core yarn in a penetrating mode. According to the utility model, the lace fabric presents a star light glittering effect under the irradiation of sunlight or lamplight through the plurality of glittering sequins, glittering light can be refracted and reflected at different angles, and the lace fabric is like glittering star light in the night sky, so that the aesthetic feeling of the lace fabric can be improved; in addition, the fancy yarn uses the chinlon yarn as the core yarn, so that the durability of the lace fabric is stronger, and the obvious change of the texture of the lace fabric due to the influence of post-treatment or use is better avoided.

The invention provides a domestic mobile operating system-based starlight kylin power consumption test method and device, and the method comprises the steps: S1, configuring power consumption tuning software on a domestic mobile operating system of a test terminal, and setting cpu frequency modulation strategies for different scenes; s2, connecting the test terminal with a test instrument for measuring current and voltage; s3, grouping test scenes and compiling test cases; s4, the test terminal executes a test case step, power consumption tuning software adjusts cpu frequency according to a scene and a cpu frequency modulation strategy, current and voltage are measured through the test instrument, and power consumption is obtained through calculation; and S5, modifying the cpu frequency modulation strategy, and comparing the power consumption and the performance fluency performance of the test terminal before and after modification. The method is applied to a domestic terminal and a domestic mobile operating system starlight kylin operating system, and the operating system power consumption testing technology which pays attention to the user experience aspect is expanded; and a power consumption test conforming to user actual experience is provided.

The invention relates to a jewelry metal surface treatment process which comprises the following steps: S1, after jewelry is processed into a blank, carrying out primary processing and polishing, and after the surface is flattened, carrying out secondary fine polishing until the surface is smooth and free of recesses and scratches; s2, the polished jewelry is put into a sulfuric acid solution to be subjected to acid pickling so as to remove impurities on the surface, and then the jewelry is washed with clear water; s3, carrying out sand blasting treatment on the washed jewelry by adopting glass quartz sand of 53-150 microns and glass quartz sand of 150-220 microns, so that an antique visual effect is generated on the surface; s4, the jewelry subjected to sand blasting is subjected to wire drawing on a wire drawing machine of a tungsten steel wire drawing needle or a diamond wire drawing needle, so that uniformly-distributed wire bottom textures are generated on the surface; s5, acid pickling and water washing in the step 2 are repeated; and S6, the jewelry subjected to wire drawing is subjected to sand blasting treatment through diamond powder of 40-220 micrometers, impact concave facets which are evenly distributed are generated on the surface, and the surface generates the starlight shining effect under natural light.

1. Name of the designed product: charging pile (starlight). 2. Use of the designed product: used for charging vehicles. 3. Design points of the designed product: in shape. 4. Pictures or photos that best show the design points: perspective view.

1. Name of the design product: shoe sole (dancing of starlight). 2. Use of the design product: the design product is a shoe sole. 3. Design points of the design product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

1. Name of the designed product: diamond ring (starlight). 2. Use of the designed product: for wearing decoration. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

1. Name of the designed product: necklace (starlight). 2. Use of the designed product: for wearing decoration. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view 1. 5. The top view has been embodied in the perspective view 1; the bottom view has been embodied in the perspective view 2, and the top view and the bottom view are omitted.

1. The name of this design product: Straw Cup (Starlight). 2. Purpose of this design product: This design product is used for holding and drinking milk or other liquids. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention discloses a starlight-level high-definition optical lens, which belongs to the technical field of optical lenses and comprises a first lens, a diaphragm, a second lens, a third lens, a fourth lens and a photosensitive chip which are sequentially arranged along an optical axis from an object plane to an image plane, and the first lens, the third lens and the fourth lens are plastic aspheric lenses. The second lens is a glass spherical lens; the focal lengths of the first lens, the second lens, the third lens and the fourth lens are negative, positive, positive and negative in sequence. According to the optical lens, the FNo. is 1.6, the resolution reaches more than 4 million pixels by 80%, night vision confocal and purple halo weakening are achieved, and the cost is low.

1. Name of the designed product: spliced coat (starlight · ancient Shu). 2. Use of the designed product: clothing for wearing. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo that best shows the design points: front view. 5. Other circumstances that need to be explained: the designed product is a thin product, so other views are omitted.

The present invention discloses a dual-spectrum camera based on FPGA, including a super starlight-level night vision full-color sensor, an infrared cutoff filter switching module, an SCCB interface, an infrared lighting device and an image processing device. The infrared lighting device realizes near-infrared light illumination for infrared exposure of the dual-spectrum camera under weak light conditions; the infrared cutoff filter switching module switches the light entering the super starlight-level night vision full-color sensor to visible light or infrared light; the super starlight-level night vision full-color sensor receives the driving control of the image processing device based on the SCCB interface, realizes the photoelectric conversion of visible light and the photoelectric conversion of infrared light to obtain image data; the image processing device is realized based on FPGA, and is used to drive and control the super starlight-level night vision full-color sensor, the infrared cutoff filter switching module and the external lighting device, and receive the image data output by the super starlight-level night vision full-color sensor.

1. The name of the design product: hub (starlight). 2. The use of the design product: for automobile hub. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention provides a method, a device, equipment, a medium and a product for positioning a target object in a vehicle, the method is applied to a single-station single transmit-receive antenna, and the method comprises the following steps: sending a preset satellite flash SLP signal, and receiving an echo signal formed by the reflection of the target object to the satellite flash SLP signal through the single-station single transmit-receive antenna; according to the echo signal, obtaining the distance between the target object and the single-station single transceiver antenna; comparing the distance between the target object and the single-station single-transmitting-receiving antenna with a preset distance interval range of each seat in the vehicle relative to the single-station single-transmitting-receiving antenna, and determining an alternative seat where the target object is located; acquiring a target signal-to-noise ratio corresponding to the target object under the condition that a plurality of alternative seats exist; and according to the target signal-to-noise ratio and the gain corresponding to each alternative seat, determining a target seat where the target object is located in the plurality of alternative seats. Therefore, the target position of the target object can be accurately identified.

1. The name of this design product: Lens (Starlight LED). 2. Purpose of this design product: used as an optical device in lamps. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic drawing 2. 5. Designate Design 1 as the base design.

The present invention provides a star point centroid extraction method and system based on optimal background estimation. The method obtains a star point image, performs image preprocessing on the star point image, and obtains a preprocessed image; performs Gaussian surface fitting on the starlight grayscale value in the preprocessed image to obtain preliminary coordinates (x0, y0) of the starlight; adopts a region optimization method to select a symmetrical circular area with the preliminary centroid coordinates (x0, y0) and the pixel point coordinates (x1, y1) with the maximum grayscale as diameters, and uses the obtained symmetrical circular area as a preferred area; adopts a distance-weighted nonlinear centroid method to locate the target light spot image in the preferred area to obtain the centroid coordinates of the light spot; the present invention has high positioning accuracy for target light spots with uneven grayscale distribution, has strong noise resistance, can reduce the adverse effects of irregular grayscale distribution on positioning, improves the positioning accuracy of the centroid method, effectively reduces the amount of calculation, and ensures real-time performance.

The present invention relates to the field of combined navigation technology, and provides a shipborne inertial and starlight integrated calibration method and equipment based on external velocity damping. The method comprises obtaining a horizontal damping network of an inertial navigation system; obtaining the inertial navigation output latitude and inertial navigation output longitude of the inertial navigation system based on the horizontal damping network; selecting a horizontal damping parameter, establishing a state equation and a measurement equation of the star-inertial system under horizontal damping conditions; obtaining a Kalman filter based on the state equation and the measurement equation; obtaining a ship maneuvering condition through inertial navigation information, and when the ship maneuvering condition is met, performing integrated calibration of the inertial navigation system through the star-inertial combined system, and completing error estimation and compensation through the Kalman filter. The present invention compensates for the dynamic attitude measurement error of the inertial navigation by designing a Kalman filter with horizontal velocity damping, assisting star-sensitive equipment in achieving high-precision positioning, completing the integrated calibration of the star-inertial combined system, and maintaining the navigation accuracy of the inertial navigation system for a long time.

1. Name of the product in this design: Downlight (Starlight). 2. Purpose of this design: for lighting. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. The rear view, left view, right view, and top view of Design 2 are the same as those of Design 1. The rear view, left view, right view, and top view of Design 2 are omitted. 6. Design 1 is designated as the basic design.

The utility model discloses an interior ceiling lamp for an automobile, which comprises a decorative mask, an arc-shaped bright inner lens, a base and an LED (light-emitting diode), the base and the decorative mask are respectively positioned on two opposite sides of the arc-shaped bright inner lens, and a PCBA (printed circuit board assembly) is mounted on the surface, facing the arc-shaped bright inner lens, of the base. The surface, facing the arc-shaped bright inner lens, of the PCBA is provided with an LED, the surface, facing the PCBA, of the arc-shaped bright inner lens protrudes to form a plurality of continuously-connected six-edge faces, and each six-edge face comprises six triangles connected in sequence. The included angle between each triangle and the surface, facing the PCBA, of the arc-shaped bright inner lens is not smaller than 30 degrees. According to the interior ceiling lamp for the automobile, the multi-face prismatic light face is used on the arc-shaped bright inner lens, the multi-face prismatic light face is used on the light receiving face, so that light emitted by the PCBA is refracted to achieve the starlight effect, and the transparent face cover on the outermost layer is provided with textures for decoration.

The invention discloses a light spot detection image processing method, system and device based on a differential frame and a medium. The method comprises the following steps: acquiring an original image frame sequence; the original image frame sequence comprises a plurality of original image frames, and each original image frame corresponds to an original sequence number; according to the original image frame sequence, calculating to obtain a differential image frame sequence; the differential image frame sequence comprises a plurality of differential image frames; performing light spot detection on the differential image frame sequence to obtain a first light spot image frame and a second light spot image frame; the first light spot image frame is a differential image frame of the target light spot detected for the first time, and the second light spot image frame is a differential image frame of the target light spot detected for the second time; according to the interval time between the first light spot image frame and the second light spot image frame, whether the target light spot is caused by scanning of the opposite satellite laser terminal or not is judged. The method can effectively eliminate interference of stray light such as starlight, avoids the situation of false capturing, is simple and effective, and consumes less resources.