11results about How to "Cost reduction needs" patented technology

The application discloses a kind of based on spot image moment feature telescope primary and secondary mirror calibration method, belong to telescope computer-aided alignment field.The specific steps of the calibration method are as follows, first, randomly give the free degree misadjustment of telescope system secondary mirror, utilize unbiased finite impulse response moment to extract the spot image feature of multiple field of view within reasonable range under the misadjustment state of telescope;Then utilize fully connected neural network to construct the model between the free degree misadjustment of secondary mirror and the multiple field of view spot image feature matrix;In actual use, after the multiple field of view spot image collected by CCD camera is extracted into feature matrix using unbiased finite impulse response, it is input into the trained neural network model to solve the misadjustment of secondary mirror, to guide the alignment of telescope system.This method aims to wavefront sensor as the image quality evaluation benchmark of telescope without, and without multiple iterations, to improve the efficiency of system primary and secondary mirror alignment and the imaging quality of system.

This application discloses a table generation method, apparatus, electronic device, and medium, relating to the field of data processing technology. A specific implementation of the method includes: modifying information in a table to be modified based on preset change rules to obtain a table template file containing at least one variable placeholder; generating a target mapping table file based on at least one variable placeholder and at least one set of actual variable information, the target mapping table file being used to establish a variable mapping relationship between at least one variable placeholder and at least one actual variable in each set of actual variable information; and performing at least one variable substitution operation on the table template file based on at least one set of variable mapping relationships in the target mapping table file to obtain at least one target information table. This achieves automated, standardized, and batch generation of information tables, significantly improving the efficiency and standardization of maintenance document generation, while balancing the flexibility, maintainability, and low-cost requirements of table generation.

This application provides a real-time hyperspectral local anomaly detection method and device based on multi-line, multi-band recursive updates. The method includes: acquiring new data blocks for a target scene in real time using a filter array spectral imaging system; updating the current global mean vector and the multi-line, multi-band correlation matrix used for background modeling for the target scene using a recursive update formula to obtain the updated global mean vector and the updated multi-line, multi-band correlation matrix; acquiring the local spatial neighborhood statistics of the new data blocks; and performing local anomaly detection on the new data blocks based on the local spatial neighborhood statistics to obtain the current anomaly detection result data for the target scene. This application can realize local anomaly detection for multi-line, multi-band hyperspectral data and can solve the problems of high computational cost, large storage requirements, and insufficient real-time performance of traditional global covariance matrix calculations in complex industrial backgrounds.

The invention relates to the technical field of charging and discharging equipment, in particular to a super capacitor charging circuit and a super capacitor charger for a variable pitch system. The super capacitor charging circuit is of a three-level structure formed by connecting an EMI filter circuit, a PFC circuit and three independent ACF circuits in parallel, the three-level topological structure integrates core functions of filtering, power correction and isolation transformation, redundant components are reduced, hardware cost and installation space requirements are reduced, and the super capacitor charging circuit is adaptive to compact scene application; meanwhile, through the fusion design of the ACF circuit and the PFC circuit and the combination of the zero-voltage switching and zero-current switching technologies, the switching loss and electromagnetic interference are greatly reduced, the high power factor is ensured, and the problems of efficiency superposition loss of a traditional two-stage architecture and limited power of a single-stage architecture are solved; the three ACF circuits operate in parallel and independently work, and can charge the three super capacitors at the same time to save cost; the maintenance or fault of a single ACF circuit does not affect the normal operation of other loops, and the reliability of the system is improved.

The invention discloses an active noise reduction device with a passive basin loudspeaker cavity, and belongs to the technical field of noise reduction devices. Comprising a noise reduction household appliance body. The active noise reduction controller is arranged in the noise reduction household appliance body; the plurality of reference microphones are used for collecting original noise signals generated during operation of the noise reduction household appliance; the at least one loudspeaker unit comprises a passive basin, is electrically connected with the power amplifier of the active noise reduction controller and is used for playing reverse sound waves; the error microphone is used for collecting a residual noise signal formed by superposing the original noise and the reverse sound wave which are transmitted through the real secondary path; the signal processor is used for receiving an original noise signal which is transmitted by the reference microphone and is subjected to AD conversion, and generating a reverse sound wave digital signal which is equal to the original noise in amplitude and opposite to the original noise in phase through an adaptive algorithm, and the reverse sound wave digital signal is input into the power amplifier for signal amplification after being subjected to DA conversion; and then the loudspeaker unit containing the passive basin is driven to play reverse sound waves.

The invention relates to an atrial fibrillation ablation postoperative recurrence continuous learning prediction system based on multi-source electrocardiogram data. The system comprises a data acquisition module, a data processing module, a feature recognition module and a risk prediction module. According to the invention, the electrocardiogram representation network is constructed to process different pieces of follow-up visit electrocardiogram information during follow-up visit, so that corresponding risk prediction results can be automatically output at different stages; meanwhile, the model can still obtain stable and transferable electrocardio characteristic representation under the multi-source and multi-device conditions. The cross-domain and cross-device capability enables the model to stably work in a real multi-center clinical environment, retraining for each medical center is not needed, the deployment difficulty and cost are greatly reduced, and controlled updating can be realized by using a small amount of follow-up visit data without depending on historical original electrocardiogram data and retraining the complete model.

The invention discloses a transplanter transmission mechanism and a transplanter with multiple mechanisms controlled by a single power source, and the transplanter transmission mechanism comprises a driving part which is used for providing a power source and rotating at a constant rotating speed; the first transmission part is used for transmitting the power of the driving part to the movable shovel so as to drive the movable shovel to swing back and forth in a first period; and the second transmission part transmits the power of the driving part to a seedling planting plug, the seedling planting plug is inserted and pulled in a reciprocating mode according to a second period, and the second period is synchronous with the first period. According to the transplanter capable of controlling multiple mechanisms through the single power source, the single power source is adopted, the first transmission part, the second transmission part and the third transmission part are driven simultaneously through the driving rod and the chain wheel, the number of power sources is reduced, and the equipment cost and the maintenance requirement are reduced.

The utility model discloses a double X -axis engraving and milling machine with double four -axis linkage structure, including by the main part of engraving and milling machine, and in the main part of engraving and milling machine one side sets up the equipment main part of double four -axis station subassembly constitution, double four -axis station subassembly includes parallel alignment and set up's first four -axis main part and second four -axis main part, and is equipped with the docking slide for the cooperation processing product in the processing head opposite side of first four -axis main part and second four -axis main part, and the tail of first four -axis main part and second four -axis main part is connected with linkage subassembly, and linkage subassembly includes the linkage board of two ends respectively with the tail of first four -axis main part and second four -axis main part is connected, and with the vertical connection of linkage board's connecting rod, and the other end of connecting rod is equipped with driving arrangement, and linkage board passes through the cooperation of driving arrangement and connecting rod, makes first four -axis main part and second four -axis main part synchronous action. The utility model has solved the problem that single engraving and milling machine lacks double -shaft station (or more shaft) synchronous processing structure in prior art.

The utility model discloses a kind of heating and refrigeration dual-purpose oil cooling control system pry body equipment, including hot oil side system, desalted water water replenishment side system, desalted water side system, heating and refrigeration side system, cooling tower system and intelligent control cabinet.Hot oil side system exchanges heat by full-welded plate heat exchanger;Desalted water side system is switched by desalted water internal circulation pump and cooling tower circulation pump, and cooperation electric regulating valve realizes winter heating and summer refrigeration mode;Heating and refrigeration side is by multiple sets of coil fan to indoor delivery heat or cold quantity;Intelligent control cabinet integrated control entire system operation.The utility model realizes the integration of all-year heating and refrigeration function, with the advantages of energy-efficient, control accurate, stable and reliable operation, small footprint and easy to install and maintain.

This utility model discloses a compound fertilizer stacking device, relating to the technical field of auxiliary equipment for compound fertilizer preparation. It includes a first support plate and a base plate. A first pressure sensor is installed on the first support plate, and a placement plate is connected to the other side of the first pressure sensor. The base plate is disposed on one side of the first support plate. A support column is installed on the base plate via a first electric slide rail. A lifting plate is connected to the support column via a lifting mechanism. A first mounting frame is installed on the lifting plate via a second electric slide rail. A rotating plate is connected to the first mounting frame via a rotating assembly. A clamping frame is connected to the rotating plate via an adjustment mechanism. This utility model effectively solves the problem of poor adaptability of existing equipment's gripping mechanisms by setting an adjustment mechanism between the clamping frame and the rotating plate, in conjunction with the first pressure sensor on the first support plate monitoring the load-bearing state of the placement plate.

This utility model discloses an LED lamp, including an LED housing. The LED housing has at least two state selection modules. The LED housing contains an LED constant current drive module, a state switching module, an LED load module, and a power supply module. The power supply module is connected to the lamp switch, the state switching module, and the LED constant current drive module, respectively, and outputs a power-on signal to the state switching module and the LED constant current drive module according to the on / off state of the lamp switch. The LED constant current drive module is connected to the LED load module. The state selection module has multiple state adjustment circuits and a switching switch. The state switching module is connected to the state selection module and cycles through different state selection modules based on each power-on signal to adjust the working state of the LED load module. This utility model enables the lamp to have multiple different state switching functions, and can cycle through the color temperature state of the lamp according to the on / off state of the lamp switch. Furthermore, it is simple to operate and low in cost.