21 results about "Lunar phase" patented technology

The invention provides a satellite multi-load moon forecasting method and device and electronic equipment. The method comprises the following steps: acquiring coordinates of a satellite moon vector connecting line under preset time precision in an instrument coordinate system; performing cold air view field constraint, scanning view field constraint, earth night side observation constraint and lunar phase angle constraint on each instrument to obtain a rough time window of the moon entering the view field corresponding to each instrument; and carrying out dynamic adaptive golden section extremum search at a preset time interval, calculating the visibility of each instrument view field to the moon, and obtaining the optimal observation time of the moon. According to the satellite multi-load lunar forecasting method and device and the electronic equipment provided by the embodiment of the invention, the FY-3 F satellite multi-load lunar observation rapid forecasting method based on the combination of rough time search and adaptive golden section extremum search is constructed, and by optimizing the calculation of the cold air view field and the scanning view field angle, the accuracy of lunar observation is improved. The moon forecasting method for the cross-rail circular scanning instrument is provided, and limitation of a traditional rectangular view field is avoided.

A novel lunar phase demonstration disc is used for observing lunar phase change in a month, approximately which side is bright, moon apparent motion in a day, positions of the moon in the sky at night and day, and the like. The two faces of the disc are marked with 18-6 o'clock at night and 6-18 o'clock at daytime respectively and used for indicating the time between 18-6 o'clock at night and 6-18 o'clock at daytime, the demonstration disc is overturned by 180 degrees along the horizontal shaft, and the moon at night and the moon at daytime can be conveniently switched and observed. The device is simple to manufacture, low in cost, simple to operate, convenient to use, capable of being fused with the environment and strong in environment substitution feeling during observation.

A moon phase display mechanism for a timepiece capable of being driven by a horological movement, the operation whereof depends on the time division, the moon phase display mechanism including: a moon phase indicator carrying at least one representation of the moon; a jumping drive mechanism of the moon phase indicator capable of being driven by the horological movement and of driving, in jumps, the moon phase indicator; the moon phase display mechanism wherein the jumping drive mechanism is configured to rotate the moon phase indicator by n increments per day, n being greater than 1, each increment rotating the moon phase indicator by an angle α corresponding to the angle of rotation of a daily pitch divided by the number n of increments.

A Moon phase and Earth phase display device (100) for a horological movement, which display device includes a dial (130) on which is arranged a plurality of graphical representations (112) symbolizing respectively different successive phases of a celestial body, said display device (100) further including a drive mechanism (140) configured to move a display (110), the display (110) including at least two indicator members (111) of different appearances, configured to symbolise the Moon and the Earth respectively, so that the position of the indicator members (111) relative to the graphical representations (112) represents a Moon phase indication and an Earth phase indication respectively.

The utility model discloses an image test equipment of simulating sun and moon light condition, including the inside integral sphere with analog light source, be used for fixing and moving the mobile base of integral sphere, be located integral sphere one side's light outlet, the outside of light outlet is equipped with the box type light source simulator for providing analog ambient light, be equipped with the moon phase simulation adjusting mechanism between the box type light source simulator with light outlet, the light transmission shape of light outlet forms the moon phase conversion of different shape after adjusting through moon phase simulation adjusting mechanism. Can accurate simulation sun, moon light condition and the different form of moon phase to provide more reliable comprehensive test environment for camera detection, and more effective iteration promotes the image quality of camera under more complex weak light light environment.

An embodiment of the present invention provides a method for cross-calibration of a satellite payload low-light channel using full Earth shadow moonlight illumination, comprising: selecting observation data of a satellite low-light instrument to be calibrated and a reference instrument under stable target illumination in a full Earth shadow, wherein the satellite low-light instrument to be calibrated and the reference instrument are imaging radiometers; removing low-quality data from the observation data of the satellite low-light instrument to be calibrated and the reference instrument under full Earth shadow moonlight illumination; selecting, from the observation data after removing the low-quality data, matching data pairs under a cross-time matching condition in which observations of the satellite low-light instrument to be calibrated and the reference instrument are allowed under multiple lunar phase conditions; calculating lunar radiation based on a lunar phase model, performing spectral and angular correction on data of the reference instrument in the matching data pairs, and calculating a reference radiance of the instrument to be calibrated as a stable target in a full Earth shadow; fitting the observation data of the satellite low-light instrument to be calibrated in a full Earth shadow under multiple lunar phase conditions in the matching data pairs with the calculated reference radiance to obtain a cross-calibration coefficient, thereby completing the radiation calibration of the satellite low-light instrument. The embodiments of the present invention can effectively reduce the influence of solar stray light on calibration and significantly improve the on-orbit radiation calibration accuracy of low-light-level remote sensors.

To simplify as much as possible the kinematics for simultaneously displaying the phases of the Moon and Earth.SOLUTION: A moon phase and earth phase display device for a horological movement is provided, the display device comprising: a display unit including a plurality of graphical representations 120 respectively symbolizing different successive phases of a celestial body; a dial 130 provided with two apertures 131 arranged so as to concomitantly display two diametrically opposed graphical representations 120, one symbolizing a moon phase and the other symbolizing an earth phase; and a drive mechanism configured to drive the display unit in sequential movement.SELECTED DRAWING: Figure 1

The invention relates to a moon phase and earth phase display device (100) for a timepiece movement, the device comprising: a display (110) comprising a plurality of graphical representations (120) respectively symbolizing different consecutive phases of a celestial body; a dial (130) provided with two apertures (131) arranged to simultaneously display two diametrically opposite graphical representations (120), one graphical representation (120) representing the moon phase and the other graphical representation (120) representing the earth phase; and a driving mechanism (140) configured to drive the display (110) in a sequential movement manner.

The present invention provides a watch with a lunar phase display mechanism that can improve the displayability of lunar phase information and the ease of operation when making corrections. [Solution] The moon phase display watch 1 comprises a dial for displaying the time, a moon phase display mechanism 3, and a correction mechanism 5. The moon phase display mechanism 3 has a moon wheel 24 that displays the position of the moon in synchronization with the time, and a moon shadow wheel 25 that displays the moon phase based on the phase difference with the moon wheel 24. The correction mechanism 5 corrects the moon phase information, which is the display information in the moon phase display mechanism 3. The correction mechanism 5 has a first correction mechanism and a second correction mechanism 52. The first correction mechanism corrects the moon phase information in synchronization with the time when the crown is operated. The second correction mechanism 52 has a different input path from the first correction mechanism and corrects the moon phase information without synchronization with the time and more quickly than the first correction mechanism.

The invention discloses an image processing method, electronic equipment and a readable storage medium, and belongs to the technical field of terminals. The method is applied to an electronic device, and comprises the following steps: in a process of collecting an image through a camera, if the zoom ratio of the camera is greater than or equal to a preset ratio threshold, carrying out moon detection on a first preview image collected by the camera; under the condition that the moon exists in the first preview image, determining a first moon phase state of the moon in the first preview image; under the condition that the first lunar phase state and the second lunar phase state are the same, the first preview image is updated to be a second preview image, the exposure degree of the second preview image is smaller than that of the first preview image, and the second lunar phase state is the lunar phase state corresponding to the system time of the electronic equipment. According to the method, the moon phase of the moon in the collected preview image is compared with the moon phase of the moon in actual life, so that whether the moon exists in the preview image or not can be further determined, and the accuracy of image processing is improved.

To simplify as much as possible the kinematics for simultaneously displaying the phases of the Moon and Earth.SOLUTION: A moon phase and earth phase display device 100 for a horological movement is provided, the display device comprising: a dial 130 having a plurality of graphical representations 112 arranged thereon, each symbolizing different successive phases of a celestial body; a drive mechanism configured to move a display unit 110 having at least two indicator members 111 with different appearances configured to symbolize the moon and the earth so that the positions of the indicator members relative to the graphical representations represent a moon phase indication and an earth phase indication.SELECTED DRAWING: Figure 1

The invention relates to a moon and earth phase display device (100) for a timepiece movement, comprising a dial (130) on which are arranged a plurality of graphical representations (112) representing different consecutive phases of a celestial body, respectively, said display device (100) further comprising a drive mechanism (140) configured to move a display (110), the display (110) comprises at least two indicator members (111) having different appearances, the indicator members (111) being configured to represent the moon and the earth, respectively, such that positions of the indicator members (111) relative to the graphical representation (112) represent a moon phase indication and an earth phase indication, respectively.

A Moon phase and Earth phase display device (100) for a horological movement, which device includes a display (110) including a plurality of graphical representations (120) symbolising respectively different successive phases of a celestial body, a dial (130) provided with two apertures (131) arranged so as to concomitantly display two diametrically opposed graphical representations (120), one of which symbolises a Moon phase and the other of which symbolises an Earth phase, and a drive mechanism (140) configured to drive the display (110) in sequential movement.

The invention relates to the technical field of astronomical operation law timing demonstration instruments, and provides a timing demonstration device for simulating sun, moon and earth operation, which comprises a fixed wheel, a first transmission unit in transmission connection with the fixed wheel, a second transmission unit in transmission connection with the first transmission unit, and a third transmission unit in transmission connection with the second transmission unit. The center of the fixed wheel is provided with a sun indicating part, the transmission terminal of the second transmission unit is provided with a moon indicating part, the terminal of the third transmission unit is connected with an earth indicating part, the moon indicating part rotates around the center of the earth indicating part, and the transmission terminal of the second transmission unit is connected with a driving part. The transmission ratio of the first transmission unit to the fixed wheel is 365.25: 1, and the transmission ratio of the second transmission unit to the earth indicating part is 29.5: 1. The device can accurately demonstrate the actual operation principle of time and date, enables the moon phase display to be close to the real observation effect, and achieves the accurate presentation of time and date.

The present application relates to a kind of space target to space-based platform visibility fast prediction method, belong to aerospace engineering and space target monitoring technical field, including obtaining the position sequence of space target during prediction, and the ephemeris of space-based platform is combined, and the inertial system observation vector of space-based platform and space target is obtained by interpolation at observation time;After the observation vector is corrected by light time, the observation direction of space target relative to load camera line of sight is calculated by coupling space-based platform pointing quaternion;Introduce the observation direction parameter of sun and moon under the same inertial system, moon phase parameter, determine the earth shadow blocking state of space target, and when determining that space target is not blocked by earth shadow, the constraint of solar and moon avoidance angle is superimposed, and the visibility result of target is output;Efficiently realize the visibility fast prediction of space-based platform to all-space space target, provide reliable data support for space-based observation mission planning, observation data real-time processing and false alarm signal accurate rejection.

We offer a portable watch that displays both the lunar and earth phases simultaneously. [Solution] The present invention relates to a portable watch (10) comprising a dial (13) and a timekeeping movement (100) including a lunar phase display device (11) and an earth phase display device (12). The earth phase display device (12) is configured to remain immovable relative to the dial (13) and includes a graphic representation of the Earth (120) facing a first opening (130) formed in the dial (13), and a mask (123) rotated by a drive mechanism and positioned between the graphic representation of the Earth (120) and the dial (13). The lunar phase display device (11) includes a display (110) positioned to face a second opening (131) formed in the dial (13) and rotated relative to the dial (13) by a drive mechanism, the display (110) includes graphic representations (111) of two moons.

The utility model provides a moon phase change simulation demonstration scientific device. The moon phase change simulation demonstration scientific device comprises a bottom plate and a moon phase groove arranged above the bottom plate. Two planet models are arranged in the moon phase groove and are respectively an earth model and a moon model; a moon phase driving device for driving the moon model to revolve and rotate around the earth model is arranged below the moon phase groove; a light device used for emitting light is arranged on one side of the moon phase groove, the light device emits light towards the two planet models, and the light irradiates the two planet models and finally falls on the inner wall of the moon phase groove to form light shadow. According to the utility model, the moon phase driving device drives the moon model to do revolution and rotation motion around the earth model, and the rotation and revolution motion of the moon can be accurately simulated. And the light device irradiates the two planet models to form a shadow, so that a user can visually see the moon phase transformation process.

A table with a moon phase display function comprises a table frame and a table top covering the upper end of the table frame, the table top is made of light-transmitting materials, a lamp panel is installed on the back face of the table top, a plurality of lamp beads are installed on the lamp panel, the light-emitting faces of the lamp beads are arranged towards the table top, the lamp beads are connected with a main control circuit, and the main control circuit is connected with the table frame. The main control circuit calculates the moon phase according to the lunar calendar of the day and lights up the lamp beads at the corresponding positions on the lamp panel, so that part or all of the area of the table top emits light, and the table top shows the moon phase of the day under the irradiation of the light. The beneficial effects of the utility model are that the moon phase is calculated through the master control circuit according to the calendar of the day, and the lamp beads at the corresponding positions on the lamp panel are turned on, so that part or all of the area of the table top emits light, and the moon phase of the day is displayed.

A Moon phase display mechanism comprises a Moon, a mask, and a drive device arranged in such a way that the mask and the Moon move, during each lunar cycle, in the following sequence:a) with the Moon and the mask both located in an initial position, in a new Moon configuration, the Moon is driven to progressively disengage from the mask, until it is positioned in a final position in the middle of a given lunar cycle, in a full Moon configuration, b) the mask is driven to cover the Moon, until it is positioned in the final position at the end of the given lunar cycle, in a new Moon configuration, and c) the Moon and the mask are driven to rapidly return to their initial positions, in a new Moon configuration.

The invention provides a flat-opening astronomical dome terminator automatic opening and closing control system with a rain and snow sensing function, and relates to the field of astronomical dome automatic control, and the system comprises a control decision unit and a hardware execution mechanism, the control decision unit comprises a terminator reference calculation module and a security policy arbitration module, the terminator reference calculation module calculates based on an astronomical model, and the security policy arbitration module determines the terminator of the astronomical dome; the safety strategy arbitration module takes a rain and snow signal and a manual remote instruction as the highest priority, cooperatively processes the reference instruction and a morning and evening timing signal and outputs a final control instruction, and the hardware execution mechanism comprises a programmable logic controller, a frequency converter, a skylight motor and a stroke end point switch. And the control module is used for receiving and executing the control instruction, driving the skylight motor to realize flat opening and closing of the dome, and carrying out double limiting protection by the travel end point switch, so that an autonomous operation system which takes astronomical timing as a core and is coordinated with rain and snow induction is finally formed, and high-reliability and unattended intelligent control is realized.