10results about How to "Realize fine processing" patented technology

The utility model discloses a floating type's sponge city rainwater and sewage diversion structure relates to drainage equipment technical field, aims at solving the problem that current rainwater and sewage diversion pipe cannot realize the fine treatment of initial rainwater and the effective balance between the rapid drainage of storm period flood. Its technical scheme main points are: including pipeline body, the pipeline body is fixedly connected with the connecting pipe that has the cavity inside and is opened. The utility model discloses the setting of filter screen and filter core on the moving ring can carry out fine filtration when rainfall is less, and is drained to the pipeline body through the conventional drainage hole, improves the water quality of rainwater resources, when rainfall is larger, through overflow drainage hole, the overflowed rainwater is drained to the pipeline body, realizes the effect that the drainage efficiency of rainwater and sewage diversion pipe is adjusted independently according to the size of rainfall, guarantees the effective balance between the fine treatment of initial rainwater and the rapid drainage of storm period flood.

The invention discloses a noise correlation cross-modal matching loss adjustment method and device based on meta-learning. The method comprises the following steps: constructing a pairing sample set containing a multi-modal data pair; quantifying semantic correlation of each multi-modal data pair in the pairing sample set by using a cross-modal model, and selecting an initial loss function; constructing a loss adjustment network, and balancing the noise sensitive loss function and the noise insensitive loss function to obtain an adaptive loss function; optimizing the loss adjustment network by using a meta-learning algorithm; updating model parameters of the cross-modal model on the target noise data set by using the optimized loss adjustment network; and inputting the query target and each object in the matching database into the updated cross-modal model to obtain the similarity of the query object relative to each object in the matching database. The problem that the robustness and the matching accuracy of the cross-modal model are difficult to consider at the same time in the prior art is solved, and powerful support is provided for landing of the cross-modal model in an actual scene.

The utility model discloses a device for cutting daily glass through laser. The device comprises a laser assembly, a clamping jaw assembly and a product supporting assembly. The product supporting assembly is used for supporting daily glass, the clamping jaw assembly is located over the product supporting assembly and clamps the daily glass on the product supporting assembly, the laser assembly is located on one side of the clamping jaw assembly, the laser assembly points to the daily glass, and the daily glass is cut through laser. According to the utility model, on the technical principle level, the advanced laser technology and the high-precision control system are fused, the limitation of the traditional cracking method is broken through, and the fine processing of the cracking of the glassware is realized by accurately regulating and controlling the laser energy and the pulse parameters.

This application relates to a rice sieve device for processing high-nutrition grains, belonging to the field of grain screening technology. The rice sieve device includes a frame, on which a feeding hopper and an elevator are mounted; multiple sieve plates are mounted on the frame, with different aperture specifications and arranged along the height direction, and each sieve plate has multiple screening sections along its length direction; multiple collection hoppers are fixed to the frame, and each collection hopper has a conveyor belt below it; multiple vibrating devices are mounted below the sieve plates along the length direction of the sieve plates; and a self-switching mechanism is located between the frame and the vibrating devices, used to separate or connect the sieve plates and the vibrating devices, as well as to drive the sieve plates to move laterally and lock their position. This application reduces the space requirement of purchasing multiple rice sieve devices, reduces the floor space occupied, improves space utilization, and simultaneously achieves the effect of automatic and rapid switching of sieve plates.

This application provides a method and system for high-precision positioning and correction of unmanned aerial vehicles (UAVs) based on BeiDou tri-frequency signals. The method first receives a tri-frequency signal group transmitted by the BeiDou satellite navigation system. Then, utilizing the dispersion characteristics of the tri-frequency signal group propagating in the ionosphere, a real-time correction value for ionospheric delay error is generated. Next, multipath effect characteristic data caused by terrain undulations during agricultural surveying operations is acquired. Then, the multipath effect characteristic data is coupled with the real-time correction value to construct a dynamic error suppression model. Finally, the dynamic error suppression model is used to correct the original positioning trajectory of the UAV point by point to output a high-precision positioning result. The technical solution provided by this application not only effectively solves the combined interference problem of ionospheric delay and multipath effect, but also achieves high-precision positioning of UAVs in complex agricultural terrain environments, significantly improving the accuracy and environmental adaptability of the positioning results.

The invention provides an efficient data statistical processing method, and belongs to the technical field of soil environment monitoring data processing. The method comprises the following steps: cleaning detected soil pollutant concentration original data, and calculating a multi-dimensional quantitative index of an abnormal value; an improved analytic hierarchy process (AHP) is adopted to determine the weight of the multi-dimensional quantitative index; based on the multi-dimensional quantitative indexes and the corresponding weights, a comprehensive scoring formula is constructed, an abnormal value comprehensive score is calculated through the comprehensive scoring formula, and the comprehensive scoring formula comprises a concentration non-negativity punishment mechanism; classifying abnormal value grades according to the comprehensive score; executing corresponding processing strategies for different abnormal value levels; and outputting a traceable report containing abnormal value basic information, an index calculation process, an abnormal level judgment result and a processing record. According to the method, the problems that an existing method is single in abnormal value processing mode, poor in weight adaptability and free of a quantitative grading system are solved, and the accuracy of abnormal value grading and the refinement degree of data processing are improved.

This application provides an OTFS signal detection method, apparatus, and readable storage medium. The method includes: performing constellation modulation based on task data and mapping it to the time-delay-Doppler domain; constructing a time-frequency bidispersive channel model to obtain the received signal at the receiver; performing an orthogonal time-delay-Doppler modulation OTFS inverse transform on the received signal to obtain the received signal in the time-delay-Doppler domain; estimating a portion of the transmitted signal using interference-free region information symbols in the received signal in the time-delay-Doppler domain; calculating interference symbols of non-direct paths and eliminating interference at the corresponding positions of the received signal in the time-delay-Doppler domain; and iterative updating of the interference-free region and convergence of the full-domain detection. This application can significantly suppress symbol interference caused by out-of-bounds cyclic shifts, achieve refined processing of complex scattering paths, and reliably recover symbols of direct paths.

The application discloses a method for fine modification of the interior of a crystal based on double-beam laser focus interference, and belongs to the field of laser precision machining. The method is realized by adjusting the divergence angle of double beams by using a laser shaping device to realize the overlap of focus A and focus B. The double foci overlap and interfere, and the interference phenomenon of the energy intensity alternately changing occurs in the focus overlap area; under the interference, laser energy is concentrated to the interference enhancement position, and the energy peak value can exceed the modification threshold of the material interior, and modification occurs; the size of the double-focus overlap area is compressed relative to the conventional single-focus area, and the modification by interference only occupies a part of the overlap area, and the size of the modification area is further compressed. Compared with the conventional single-focus modification area, the longitudinal size of the modification by the method can be compressed by at least 50%, and the precision of the micro-nano structure in the processed crystal is higher. According to the characteristics of the crystal material, laser parameters are selected, and scanning is carried out according to a preset track, modification points form a modification line, and then high-precision machining of a complex micro-nano structure in the crystal can be realized.

The utility model discloses laser engraving equipment, which belongs to the technical field of laser engraving equipment and comprises an equipment main body, a focal length adjusting component and a positioning and clamping mechanism, and the equipment main body is connected with the focal length adjusting component and the positioning and clamping mechanism; the positioning and clamping mechanism comprises a clamping and fixing assembly used for clamping wheels and a position adjusting assembly used for adjusting the positions of the wheels, and the position adjusting assembly is connected with the clamping and fixing assembly and the equipment body. By means of the mode, wheel air holes can be adjusted to preset positions through the positioning and clamping mechanism and the position adjusting assembly according to the detection result of the device body, the clamping and fixing assembly can stably clamp wheels, external interference is eliminated, fine machining of specific positions of the wheels is achieved, the focal length adjusting assembly can adjust the focal length in real time, and focusing is flexible and accurate. And diversified working requirements are met.

This utility model discloses a sterilization device for shrimp ditches in rice-shrimp farming, relating to the field of shrimp ditch sterilization technology. It includes a sterilization powder storage box, a feeding hopper on one side of the top surface of the storage box, a control panel on the other side of the top surface, two symmetrically arranged push handles on the upper part of one side of the storage box, a support rod fixedly connected to the lower part of one side of the storage box, a moving component on one side of the bottom surface of the storage box, and a discharge hopper connected to the lower part of the other side of the storage box. A passive vibration component is provided on the bottom surface of the discharge hopper, and a vibrating screen component is provided inside the storage box. This utility model, through the cooperation of the vibrating screen plate and the vibrating motor, facilitates the sieving of sterilization powder, ultimately solving the problems of uneven mixing caused by the white lines distributed in existing sterilization powder, poor mixing effect of the plowing machine, and time-consuming and labor-intensive processes. It improves the effect and efficiency of shrimp ditch sterilization and ensures the stability of the shrimp ditch's ecological environment.