113 results about "Astronomical telescopes" patented technology

The invention belongs to the field of astronomical telescopes, and particularly relates to a large-aperture spliced telescope adjusting device and method, and the method comprises the steps: starting a light source module, providing a far-field illumination light beam for a spliced primary mirror, and carrying out the confocal adjustment of each sub-mirror through an adjusting mechanism according to the far-field illumination light beam; the light source switching module is used for providing a near-field illumination light beam for the spliced primary mirror, and the near-field illumination light beam is split into two separated sub light beams by the pyramid mirror after penetrating through a splicing seam of the spliced primary mirror; performing dispersion on all the sub-beams through a dispersion prism, and converging the dispersed sub-beams through an achromatic lens to form dispersion stripes; the phase difference of the dispersion fringes is extracted through the camera, and co-phase adjustment is carried out on the sub-mirrors through the adjusting mechanism according to the phase difference of the dispersion fringes. According to the invention, high-precision and high-flux spectral response calibration and co-phase detection of the large-aperture spliced telescope can be realized, so that reliable technical support is provided for construction and operation of a next-generation giant astronomical telescope.

The invention provides a space terahertz telescope pointing calibration method, medium and equipment, and belongs to the technical field of astronomical telescope observation, and the method comprises the steps: obtaining observation sampling point frequency spectrum data of a large sampling interval based on an OTF observation mode; based on the rough calibration model, processing the spectrum data of the large sampling spacing, and determining a preliminary deviation between a TS electric axis and an optical axis; carrying out OTF observation of small sampling spacing under the condition of initial deviation information and obtaining corresponding spectrum data; processing the spectrum data of the small sampling spacing based on a fine calibration model to obtain fine deviation of a terahertz electric axis and an optical axis; and under the condition of fine deviation, TS pointing precision verification is carried out. The implementation of the method provides a feasible solution for the actual demand of CSST TS in-orbit calibration, and effectively supports the calibration processing of CSST TS scientific observation data.

This invention provides a limiting system and method for a 60cm aperture fork-type equatorial mount Cassegrain reflecting telescope, relating to the field of astronomical telescope technology. It can cut off power to the turntable when the telescope, terminal instruments, and fork-type turntable collide, thereby protecting the integrity of the telescope, terminal instruments, and fork-type turntable. The system is simple in structure, allows for non-destructive assembly, and offers high reliability and accuracy. The limiting system includes: a limiting device, a telescope, a relay, a power supply, and a fork-type turntable assembled with the telescope. The fork-type turntable is connected to the power supply via the relay. The limiting device is mounted on the fork-type turntable and electrically connected to the relay, controlling the relay's on / off state through the trigger state of the limiting device. The limiting device includes a limiting plate and a base plate, which are connected. The base plate is fixedly connected to the fork-type turntable. The limiting plate is equipped with a compression trigger element, which is electrically connected to the relay. The position of the limiting plate on the fork-type turntable coincides with the contact position between the telescope and the fork-type turntable.

This invention relates to a clamping fixture for processing astronomical telescope lenses, comprising: a mounting base, a mounting hole on the left side of the mounting base, a mounting groove on the right side of the mounting base, a threaded hole on the upper left side of the mounting base, and an insertion hole on the upper left side of the mounting base, wherein a limiting ring is fixedly installed inside the insertion hole. This clamping fixture for processing astronomical telescope lenses, by setting a clamping plate, inserts the clamping plate into the lens hole during lens processing, placing the lens on the right side of the clamping base, with the outer edge of the lens inside the limiting groove. At this time, the iron piece at the left end of the clamping plate is then attracted to the clamping post, thereby fixing the lens by a permanent magnet. Using magnets makes installation and removal more convenient, and the attraction is firm, preventing easy shaking and not affecting the normal processing of the lens, making it more convenient to use.

The invention discloses a high-precision control method for optical parameters of an off-axis spliced sub-lens of a primary lens of a large astronomical telescope, and belongs to the field of advanced optical manufacturing and detection. According to the method, precise adjustment of a detection light path is achieved through different diffraction function areas of computer generated holography (CGH), and high-precision control over the curvature radius and the off-axis amount of an off-axis sub-mirror is achieved by combining distance measurement of a laser tracker and angle measurement of a theodolite. The method specifically comprises three stages of inspection light path coarse adjustment, fine adjustment and light path parameter measurement and processing, optical element space attitude adjustment is guided through a diffraction reference point of the CGH, and finally off-axis sub-mirror surface shape and optical parameter information are obtained. According to the invention, the problem of installation and adjustment precision in the detection of the large off-axis aspheric reflector can be effectively solved, and reliable technical support is provided for the manufacturing of the primary mirror and the spliced secondary mirror of the astronomical telescope.

The utility model relates to the technical field of visual displacement monitoring, and provides an astronomical telescope bracket for remote visual displacement monitoring, which comprises an adapter plate assembly, a rotating fulcrum, a lifting sliding table assembly, a rotating sliding table assembly and a bottom plate which are sequentially arranged from top to bottom, the adapter plate assembly is hinged to the lifting sliding table assembly through a rotating fulcrum. The two sets of rotating fulcrums and the two sets of lifting sliding table assemblies are arranged at intervals in the length direction of the adapter plate assembly. The lifting sliding table assemblies are in one-to-one correspondence with the rotating fulcrums; the rotary sliding table assembly is connected between the lifting sliding table assembly and the bottom plate; and the bottom plate is used for realizing connection with a mounting position. According to the utility model, through the cooperation of the two groups of rotating fulcrums and the lifting sliding table assembly, the precise adjustment of the pitching angle of the astronomical telescope is realized, and the stability of the astronomical telescope in the pitching direction is improved; 360-degree precise adjustment in the horizontal direction is achieved through the rotary sliding table assembly, the imaging precision is ensured, and the requirement for engineering practicability is met.

The invention provides an astronomical telescope auxiliary mounting and supporting device, and relates to the field of astronomical telescope mounting brackets, the astronomical telescope auxiliary mounting and supporting device comprises a supporting seat, a mounting holder is arranged at the top of the supporting seat, a plurality of supporting legs are rotatably connected to the bottom of the supporting seat, and self-locking adjusting assemblies are arranged on the supporting legs. The telescopic leg and the trigger plate jointly form a telescopic supporting structure, angle adjustment of the device is achieved by rotating the angle of the supporting leg, height adjustment of the device is achieved by moving the trigger plate and the telescopic leg, the effect of locking when touching the ground is achieved through the self-locking adjusting assembly, and then the device has the effect of being convenient to move; and meanwhile, rapid deployment and automatic locking are realized under complex terrains.

The application belongs to the technical field of telescope manufacturing, and discloses an astronomical telescope objective lens optical system with an ultra-long working distance, which is characterized in that: an objective lens first lens, an objective lens second lens, an objective lens third lens, an objective lens fourth lens and an objective lens fifth lens are sequentially arranged along the optical axis direction from the object side to the image side; the focal length of the optical system is 450.175 mm, the entrance pupil diameter is 90 mm, the field of view is 3.488°, the F number is 5, the total length of the optical system is 428.58 mm, and the working distance is 224.38 mm.

The invention discloses a horizon astronomical telescope pointing error correction method based on machine learning. The method comprises the following steps: recording fixed star data; constructing a telescope rack pointing model, calculating a model coefficient, performing coarse correction on a new observation target, accumulating observation data, and preprocessing the observation data; training the preprocessed training set data by using an XGBoost regression model, predicting condition parameters of a new observation target by using a trained error prediction model to obtain normalized azimuth angle deviation and elevation angle deviation predicted values of the new observation target, and carrying out reverse normalization processing on the predicted values to obtain an actual rack deviation angle; and superposing the rough correction deviation angle and the actual rack deviation angle to serve as a final offset to be injected into a telescope rack tracking program so as to realize correction of a pointing error. According to the invention, the pointing error can be within a very small range, and the pointing precision of the horizon telescope can be effectively improved.

The application discloses a wireless multi-astronomical telescope control system based on an ASCOM communication protocol and belongs to the field of system control. The overall application is divided into three parts, namely, an ASCOM (astronomy common object model) standardization module, a server and a client. An ordinary user selects corresponding stars to control a telescope through the client, and a manager uses a server control software running on a PC to configure the telescope numbers controllable by the client and continuously receives control commands sent by the client, and sends control commands to star map software to move a corresponding group of telescopes to the selected stars.

The utility model provides a moving balance structure of a heavy objective lens moving focusing type astronomical telescope, which relates to the technical field of astronomical telescope devices and comprises an objective lens barrel, a rack, a focusing seat, a focusing barrel, a rear seat, a shell and a supporting seat. The orthographic projection, corresponding to the optical axis of the objective lens barrel, of the rack is installed on the bottom wall of the objective lens barrel in the axial direction, the focusing base is in a sleeve shape and coaxially installed on the outer wall of the interface side of the objective lens barrel, the focusing barrel is installed at the bottom of the focusing base, a gear is installed in the focusing barrel and meshed with the rack, and the two ends of the gear are connected with a bearing and a focusing wheel installed at the end of the focusing barrel respectively. The rear seat is installed on the outer side of the objective lens barrel and coaxially connected with the focusing seat and the shell, the supporting seat is coaxially installed on the outer wall of the front side of the objective lens barrel and connected with the front end of the shell, and the problem that a traditional heavy objective lens moving focusing type astronomical telescope is not smooth in focusing can be solved.

According to the invention, glass is replaced by transparent plastic materials such as transparent resin with very good light transmission to manufacture large and ultra-large objective lens convex lenses, so that large and ultra-large telescopes can be easily manufactured.

1. The name of the design product: toy (astronomical telescope 2). 2. The use of the design product: toy for children to play. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: combined state perspective view 1.

1. The name of the design product: astronomical telescope (70500MLQ). 2. The use of the design product: multifunctional astronomical telescope for observing space stars, celestial bodies or distant scenes. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The bottom view of the design product is not easy to see or not visible during use, and the bottom view is omitted; the top view has been shown in other views, and the top view is omitted.

The utility model relates to the technical field of astronomical telescopes, in particular to a large-aperture high-precision Cassegrain catadioptric astronomical telescope, which comprises a lens cone, a primary reflector, a secondary reflector and a light-transmitting tube, the primary reflector and the secondary reflector are respectively arranged on two sides in the lens cone, the light-transmitting tube is arranged along the axial direction of the lens cone, the light-transmitting tube and the secondary reflector are coaxially arranged, and the primary reflector and the secondary reflector are coaxially arranged. The light-transmitting pipe is provided with a light path channel which is through along the axial direction of the light-transmitting pipe; and the focusing tube is arranged on the light transmission tube in a sleeving manner, and the focusing tube can slide in the axial direction relative to the light transmission tube. According to the large-aperture high-precision Cassegrain catadioptric astronomical telescope provided by the utility model, the axial movement of the main reflector is realized by driving the focusing screw shafts which are symmetrical on the two sides through the synchronous belt, so that the stress is balanced, and the inner wall of the focusing tube is attached to the outer wall of the light-transmitting tube, so that the focusing tube linearly moves by taking the light-transmitting tube as a guide, and the focusing effect is improved. And imaging drift is not easy to occur during focusing.

1. The name of the design product: focusing mount of astronomical telescope. 2. The use of the design product: adjusting the position of the eyepiece relative to the objective lens in the use of astronomical telescope, so that the imaging of the observed target is clear and sharp. 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 discloses a real-time astronomical telescope control command transmission method based on a reflective memory network interruption mechanism. The method comprises the following steps: upgrading a unit subsystem of the TCS system; the method comprises the following steps: arranging reflection memory cards in independent computers of a telescope TCS, an OCS and a GSS to form a CETTN; a command-parameter decoupling storage architecture is designed, and decoupling of dynamic parameters and static execution logic is achieved through CETTN partition mapping; the interrupt priority is configured to be the highest level in the RTX system; when the transmitter writes a command ID to a specified address, the RFM card sends an interrupt request to the slave control machine; an interrupt service program ISR of a receiving end firstly reads the command ID, loads a corresponding parameter template from a pre-storage area, and transmits a parameter pointer to a control thread; and setting a timer under RTX, detecting ISR response time, entering a protection mode if the response time is too long, and abandoning the command and waiting for the next command if the CRC (Cyclic Redundancy Check) is failed.

The invention discloses an astronomical telescope under-sampling image processing method, device and equipment and a medium, and relates to the technical field of optical testing, and the method comprises the steps: collecting an under-sampling image through employing a collection number and a micrometric displacement mode which are determined based on a target pixel size and an initial pixel size of the under-sampling image; determining a size search interval, a search step size and a current virtual distribution unit size based on the target pixel size, and splicing an image with the current virtual distribution unit size by adopting a Drizzle algorithm to obtain a current reconstructed image; transforming the current reconstructed image to calculate a high-frequency noise power function term and a power spectrum entropy function term and obtain a current function value; and if the size of the current virtual distribution unit is located in the search interval, updating the size of the current virtual distribution unit, skipping to the step of determining the current reconstructed image until the size of the current virtual distribution unit is not located in the search interval, and selecting the reconstructed image with the minimum function value as a target image. Therefore, the image processing efficiency can be improved.

1. The name of the design product: corner mirror (astronomical telescope component). 2. The use of the design product: used for astronomical telescope to freely switch observation of solar prominence and sunspot, and astronomical observation. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The invention discloses an astronomical telescope remote alignment method and system based on image matching, and relates to the technical field of image alignment, and the method comprises the steps: for distributed telescope stations, when a first telescope station collects a first image, a first target is verified, and a second target is verified; detecting the first image based on a star point vector set of the first target and deep space semantic features, performing alignment under rough matching and fine matching, determining an alignment parameter group of a second telescope station, performing control driving and collecting a second image; by introducing atmospheric disturbance, performing forward simulation and reverse compensation, performing matching alignment on a first image and a second image, determining a fine adjustment alignment parameter group, and performing alignment correction on a second telescope station, the technical problem that in the prior art, the cooperative fitness and the alignment precision are insufficient in a multi-telescope-station scene is solved. The cooperative work efficiency and the alignment precision of the telescope system in a complex environment can be effectively improved.

The invention discloses a telescope real-time control method and system based on a synchronous time service and memory sharing mechanism, the core of the method is to construct a hard real-time, high-synchronization and low-delay distributed control system for a telescope platform, and the method specifically comprises the following steps: constructing a real-time computing platform; constructing a high-precision time synchronization system; constructing a global shared memory network; defining and initializing a shared memory data area; the deterministic control logic based on the unified time reference is realized; and deploying a watchdog and a health monitoring mechanism. The method has a wide application prospect in the field of precise motion control of astronomical telescopes and the like. According to the method, the problems of poor real-time performance and low synchronization precision caused by network delay, clock asynchronization and process scheduling uncertainty of an existing telescope control system are solved.

1. The name of the design product: astronomical telescope. 2. The use of the design product: the design product is used for observing space stars, celestial bodies or distant scenes. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model relates to an astronomical telescope, comprising a housing assembly comprising a main cylinder and an observation cylinder connected with the main cylinder; the objective lens assembly comprises an objective lens barrel and an objective lens group assembled in the objective lens barrel; the imaging module is arranged in the main cylinder; the main control circuit board is electrically connected with the imaging module; the objective lens zooming module controls the distance between the objective lens assembly and the imaging module, and the objective lens zooming module is provided with an adjusting part extending out of the shell assembly; the inner display screen is arranged in the observation cylinder and is electrically connected with the main control circuit board; the eyepiece assembly is connected with the observation tube and used for observing the inner display screen, and the eyepiece assembly comprises an eyepiece tube and an eyepiece lens group assembled in the eyepiece tube; the eyepiece focusing assembly is in transmission connection with the eyepiece assembly and drives the eyepiece assembly to be close to or away from the inner display screen; the outer display screen is electrically connected with the main control circuit board, the shell assembly further comprises a mounting base connected to the outer wall of the main cylinder, and the end, close to the observation cylinder, of the outer display screen is hinged to the mounting base.

The application discloses an undersampling image processing method, device and equipment of an astronomical telescope and a medium, relates to the technical field of optical testing, and comprises the following steps: collecting undersampling images by using the micro-displacement mode and the collection quantity determined based on the target pixel size and the initial pixel size of the undersampling images; determining the size search interval, the search step and the current virtual allocation unit size based on the target pixel size, combining the images by using the Drizzle algorithm and the current virtual allocation unit size to obtain a current reconstructed image; transforming the current reconstructed image to calculate a high-frequency noise power function term and a power spectrum entropy function term and obtain a current function value; if the current virtual allocation unit size is located in the search interval, the current virtual allocation unit size is updated, the step of determining the current reconstructed image is jumped to, and the process is repeated until the current virtual allocation unit size is not located in the search interval; and the reconstructed image with the minimum function value is selected as a target image. In this way, the efficiency of processing images can be improved.

This application provides a transient source identification method, apparatus, device, storage medium, and program product, which can be applied to the field of astronomical information technology. The method includes: projecting an acquired observation image onto a HEALPix grid at the target level to obtain multiple tiles; performing pixel-by-pixel difference between tiles at the same location and reference tiles, identifying at least one tile from the multiple tiles whose average difference pixel value is greater than a preset average value as the difference tile, where the average difference pixel value represents the average difference between the tile and the corresponding reference tile; based on the coordinates of the difference tiles, using spatial indexing to obtain all image blocks covering the difference tiles and determining transient source candidates, wherein all image blocks come from various types of astronomical telescopes; and performing photometry on the image blocks corresponding to the transient source candidates to determine the target transient source. This method can quickly and accurately identify transient sources.

The application discloses a method for solving the misalignment of an astronomical telescope optical system based on a de-polarization coefficient, and the steps of the method comprise the following steps: 1) defining the misalignment of the telescope optical system, and selecting an image point on an image plane of the telescope optical system; 2) obtaining a Mueller matrix and a de-polarization coefficient at different image points of the telescope optical system; and 3) iteratively optimizing and solving the misalignment of the optical system by using a particle swarm optimization algorithm. The misalignment of the telescope optical system is solved by using the de-polarization coefficient of the telescope optical system through the iterative optimization mode by using the particle swarm optimization algorithm, the misalignment of the optical system can be quickly obtained, and thus the misalignment of the telescope optical element can be corrected, and the image quality is improved.

The utility model provides an astronomical lens vibration fixture, relates to astronomical telescope production device technical field, including bottom plate, spacing block, support rod, press plate and fastening bolt, said bottom plate is provided with connecting hole, said spacing block is installed on the bottom plate in parallel interval to form a plurality of spacing group, every two adjacent spacing block constitutes one spacing group, and the fastening bolt is fixed on the bottom plate. The supporting rods are lead screws which are evenly and vertically installed on the bottom plate, the pressing plate is movably installed on the supporting rods and is opposite to the bottom plate, the fastening bolts are installed on the supporting rods above the pressing plate, and the problem that a vibration table of a traditional vibrator does not have a clamp for fixing an astronomical lens so that the lens can be rigidly connected with the vibration table can be solved.

The utility model discloses a reflection type astronomical telescope, which relates to the technical field of astronomical telescopes and comprises a lens cone, a main lens bracket and a movable frame arranged at one end of the lens cone and coaxially arranged on the inner side of the main lens bracket, a main lens is arranged on the movable frame, a plurality of elastic rings are arranged on the inner wall of the movable frame, and a plurality of first adjusting screw rods are arranged on the main lens bracket in a threaded penetrating manner. One end of each first adjusting screw rod is connected with the corresponding elastic ring; the pair of glasses has the beneficial effects that the angle of the movable frame is independently adjusted through the four first adjusting screw rods arranged on the main glasses frame, and the pointing direction of the main lens is accurately adjusted; three second adjusting screws of the auxiliary mirror bracket independently adjust the angle of the auxiliary mirror seat and accurately adjust the direction of the auxiliary mirror, and the two are matched to accurately align the optical axes of the main mirror and the auxiliary mirror, so that clear imaging is facilitated; the operation mode is simple and convenient, and the observation effect can be effectively improved.

The utility model provides a kind of unattended astronomical observatory data collection system, it includes: manned base, field data collection node, astronomical telescope array, data transfer device between astronomical telescope array and field data collection node carries out data transmission, with the liftable communication platform with optical fiber that field data collection node and manned base are communicated simultaneously connection.The system of the utility model replaces traditional wireless unmanned aerial vehicle by the liftable communication platform of optical fiber tethering, or it is used in cooperation with data transmission line, four-foot mobile platform, can stably establish data communication link in the area of complex terrain, without unmanned aerial vehicle frequent take-off and landing, overcome endurance problem, greatly reduce artificial dependence, improve system stability, security and data transmission efficiency, meet the continuous data collection needs of field astronomical observatory under unattended state, especially applicable to long-period observation task, high security data transmission demand field astronomical observatory environment.

1. The name of the design product: equatorial telescope. 2. The use of the design product: used with optical equipment such as astronomical telescope to make astronomical observation. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.