57results about How to "Avoid weakening" patented technology

The invention relates to the technical field of image analysis and processing, in particular to a high-precision detection method based on image analysis, which comprises the following steps: acquiring an original image to be detected, performing preprocessing operation on original image data, including normalization processing, de-noising processing and brightness adjustment, performing multi-scale feature conversion on the preprocessed image to generate feature matrixes of different scales, calculating the correlation degree between the feature matrixes through a correlation self-adaptive fusion module, and generating a fusion feature map; calculating a significance score of each pixel point in the fused feature map, generating an abnormal score matrix, and determining a significant abnormal region in combination with the deviation matrix; original image information is decomposed into different scales through a multi-scale feature conversion module, local and global abnormal features of an image are captured by using comprehensive information of feature matrixes of different scales, information redundancy among the features of the scales is eliminated, and the identification degree and the detection accuracy of an abnormal region are improved.

The invention belongs to the field of transient electromagnetic detection, and particularly relates to a weak coupling transient electromagnetic system based on a differentiating circuit, which is characterized in that a transmitting coil and a receiving coil are arranged in a central loop manner, the centers of the transmitting coil and the receiving coil are overlapped and coplanar, and the receiving coil is positioned in the coverage range of the transmitting coil; the transmitting power supply provides electric energy for the transmitter, the Hall sensor sleeves the transmitting coil and is used for detecting current in the transmitting coil, the Hall sensor converts the current into voltage signals and outputs the voltage signals to the differentiating circuit, and the output end of the differentiating circuit and the output end of the receiving coil are connected to two input ends of the subtraction circuit. The output end of the subtraction circuit is connected into a data acquisition card through an amplifier, and the data acquisition card inputs acquired data into an upper computer to record secondary field signals. According to the method, the limitation of the traditional structure on the size of the receiving coil is overcome, weakening of emission energy is avoided, and meanwhile secondary field signal damage possibly caused by a traditional numerical calculation method is avoided.

The utility model discloses modifier spraying equipment for improving planting soil, which relates to the technical field of agricultural spraying and comprises a spraying vehicle, two groups of baffle plates are fixed at the bottom of the spraying vehicle, each group of baffle plates comprises two baffle plates, and a spraying component is rotatably matched between the two groups of baffle plates. Two second rotating shafts at the bottom of a traction block are driven to horizontally move close to or away from an air cylinder, so that the included angle between a first connecting rod and two first rotating plates is reduced or increased, the height difference between a plurality of spraying heads and planting soil is changed, the spraying area is changed, and the spraying strength of a modifier on the planting soil is changed; the spraying efficiency of the modifying agent spraying equipment is improved, the stirring blades fixed to the peripheral side face of the center shaft are driven to stir the agent in the agent barrel, the problem that the effect of the modifying agent is weakened due to precipitation of the modifying agent is solved, and the effect of the modifying agent of the modifying agent spraying equipment is guaranteed.

The invention discloses a Ni-Mo-Ti alloy reinforced by an ordered D0a / disordered HCP composite structure, which is characterized in that the element percentage composition expression of the Ni-Mo-Ti alloy is (Ni80 + yMo20-y) 100-xTix, x is greater than or equal to 1 and less than or equal to 10, y is greater than or equal to-5 and less than or equal to 5; the microstructure of the Ni-Mo-Ti alloy comprises a face-centered cubic FCC matrix and a strengthening phase embedded in the face-centered cubic FCC matrix, and the strengthening phase is a layered phase formed by compounding an ordered D0a area and a disordered HCP area. The invention further provides a preparation method of the Ni-Mo-Ti alloy reinforced by the ordered D0a / disordered HCP composite structure. The preparation method comprises the following steps of vacuum melting and vacuum casting; carrying out homogenization treatment; multi-pass rolling is conducted at the room temperature, the pass rolling amount is 2%-6%, and the total rolling amount is 60%-90%; and annealing heat treatment is conducted, specifically, the temperature of annealing heat treatment ranges from 910 DEG C to 1150 DEG C, and the time ranges from 1.5 min to 120 min. According to the Ni-Mo-Ti alloy strengthened by the ordered D0a / disordered HCP composite structure and the preparation method of the Ni-Mo-Ti alloy, through the strengthening effect of the ordered D0a and disordered HCP composite layer, the alloy material has ultrahigh strength and high plasticity at the same time, and the comprehensive mechanical property of the alloy material is improved.

The present invention relates to a spatial noise reduction technology, and discloses a spatial noise reduction method based on a stepped classroom, comprising: performing similarity recognition on a sound signal and an input signal respectively obtained by a main microphone and a noise reducer of the stepped classroom, and deleting similar signals in the input signal according to the result of the similarity recognition to obtain a noise signal; calculating a resonance frequency according to the three-dimensional information of the stepped classroom, and calculating a control noise signal according to the resonance frequency and a noise suppression algorithm; filtering the noise signal according to a proportional coefficient determined by the control noise signal and the spatial position of the noise reducer to obtain an inverted noise signal, and transmitting the sound signal and the inverted noise signal to a speaker. The present invention also proposes a spatial noise reduction device, an electronic device, and a storage medium based on a stepped classroom. The present invention can improve the noise reduction effect and the accurate noise reduction of the noise field under mixed content.

The invention discloses a winding temperature measurement system of an oil-immersed transformer, which belongs to the technical field of temperature measurement, and comprises a low-voltage side temperature measurement assembly, and the low-voltage side winding of the winding is provided with an oil groove; a plurality of inner supporting strips are arranged on the oil groove at intervals, the low-voltage side temperature measuring assembly is installed on one inner supporting strip, the lower portion of the low-voltage side temperature measuring assembly is lower than the upper end face of the low-voltage side winding, and the upper portion of the low-voltage side temperature measuring assembly is higher than the upper end face of the low-voltage side winding. The pressure side temperature measurement assembly is pressed into the oil groove, the lower portion of the pressure side temperature measurement assembly is attached to the oil groove and the low-voltage side winding to form good temperature conduction and temperature measurement results, the upper portion of the pressure side temperature measurement assembly protrudes out of the low-voltage side winding, the detection results can be transmitted to the outside of the oil groove in a wireless mode, and wireless signals are prevented from being shielded or weakened. And the temperature measurement of the oil-immersed transformer is realized.

The utility model relates to the technical field of fabricated steel structure, disclose a kind of fixed structure and the connecting joint of modular steel structure, fixed structure includes at least one first connecting piece, first connecting piece includes plug-in board, connecting plate and support plate, at least one horizontal direction extension slot is provided on plug-in board, connecting plate is fixed in the top side of plug-in board;The plug-in board of each slot lower part is fixed with support plate, and support plate is in contact with steel beam flange plate up and down.The connecting joint of modular steel structure includes fixed structure and second connecting piece, first connecting part inserts and is tightly attached on the inner wall of upper column;Second connecting part inserts and is tightly attached on the inner wall of lower column;Steel beam flange plate inserts each slot, connecting plate is fixedly connected with second connecting piece, and steel beam flange plate is in contact with support plate up and down.The utility model structure is simple, connection is reliable, easy to disassemble, solve the technical problem of the load bearing capacity of weakening steel beam and steel column in the prior art hole, reduce the safety of connecting joint.

The plug-in type rotary drum self-locking node comprises an upper steel structure module and a lower steel structure module which are connected through a connecting device, the connecting device comprises an upper limiting strip, a lower limiting strip, a torsion spring, a rotary drum, a plug-in and an end plate, and the rotary drum comprises a convex block, a circular tube body and a disc. Four notches are formed in the disc, so that the rotary drum can be placed from the bottom of the module column during assembly, and when the notches and the lower limiting strips are vertically staggered, the rotary drum is restrained in the upper module column. When the joint is installed on site, the upper steel structure module is aligned and then lowered, the inserting piece is inserted from the bottom of the upper module column, the rotary drum is driven by the protruding block to rotate anticlockwise under the overlook angle, the torsion spring generates reverse torque, and when the protruding block slides to the position below the lower inclined face of the inserting piece, the reverse torque of the torsion spring drives the rotary drum to reset, and the joint is automatically locked. The self-locking joint is convenient to install, does not need an operation space, is relatively simple in structure and has good mechanical properties.

The present application relates to a low-cost iron-nickel-based heat-resistant alloy and a high-speed rolling method thereof, and belongs to the technical field of special alloy manufacturing. The present application solves the technical problems of cracking, short tool life, high energy consumption and low efficiency in subsequent solid solution treatment caused by uneven material temperature rise and cooling during high-speed rolling of the existing heat-resistant alloy. In the method of the present application, the heated heat-resistant alloy rolling stock is sequentially passed through the rough rolling, intermediate rolling and finishing rolling units. At least two cooling devices are arranged at the key positions in the later stage of the finishing rolling unit. The polyacrylamide aqueous solution containing specific particle size and proportion of aluminum oxide powder is used for intermittent jet cooling of the wire. The finished wire is directly put into the solid solution furnace for online solid solution treatment and water cooling. The present application realizes the integrated production of heat-resistant alloy wire from rolling to heat treatment with high efficiency, high quality and low energy consumption. The prepared wire has uniform structure and excellent performance, and is especially suitable for manufacturing engine valves.

The utility model relates to the technical field of batteries, in particular to a battery and a battery device.The battery comprises a shell, a battery cell and a pole assembly, the shell is internally provided with a containing space, and a mounting hole is formed in a first panel of the shell; the battery cell is arranged in the accommodating space; the pole assembly is arranged in the mounting hole in a penetrating manner, and the pole assembly is connected with the battery cell. Wherein the first panel is provided with a fixing part, the fixing part surrounds the mounting hole, the fixing part comprises a cantilever and a rolling edge, the cantilever is arranged on the side wall of the mounting hole, the rolling edge is arranged on the side, away from the battery cell, of the cantilever, and the rolling edge is bent into a connecting section and an abutting section; a spacing part is formed between the pressing section and the cantilever, at least part of the pole assembly is located at the spacing part, the length of the rolled edge is L1, the length of the cantilever is L2, and L1 / L2 is larger than or equal to 0.1 and smaller than or equal to 10.

The invention discloses a laser light source device and projection equipment, the laser light source device comprises a first laser, a second laser and an optical mirror assembly, the optical mirror assembly comprises a first reflector group and a second reflector group, and the number and size of lamp beads on the second laser are larger than those of lamp beads on the first laser; the light emitting direction of the first laser is parallel to the first direction, and the first laser directly faces the first reflector group so as to reflect light emitted by the first laser towards the main axis direction; the light emitting direction of the second laser is parallel to the main axis direction, and the second laser directly faces the second reflector group so as to reflect the light emitted by the second laser towards the main axis direction; wherein the first direction is perpendicular to the main axis direction, and light rays reflected by the first reflecting mirror group towards the main axis direction and light rays reflected by the second reflecting mirror group towards the main axis direction are staggered in the main axis direction. According to the invention, by cooperating with the ingenious light path design, the effects of brightness, compactness and high contrast are realized.

The application relates to the technical field of electric digital data processing, and discloses a complex geological condition geophysical data intelligent correction system and method. The method receives multi-source geophysical data, collection quality records, terrain records and geological constraint records of the same exploration area, and establishes an exploration data index; a local correction window is formed according to a measuring point continuous relationship, a layer section corresponding relationship, a terrain change position, a collection quality change position and a geophysical response continuity interruption position; a true anomaly protection section, a near-surface distortion section, a terrain influence section, a collection anomaly section and a mixed to-be-verified section are marked in the local correction window; prohibition weakening, local weakening, terrain compensation, isolation and path re-division are respectively performed, and a correction version record is generated; and then the correction version is verified according to a space corresponding relationship, an anomaly boundary extension relationship, a trend relationship and a geological constraint relationship; when the verification fails, the method reverts to the last effective version and re-marks the data section.

The present invention provides a brake consistency adjustment method and system for an electric tractor, which relates to the field of vehicle braking technology. The method includes: determining a critical roll force based on the properties of the tractor; calculating the actual roll force of the tractor in different operating scenarios; combining the translational motion component of the drum brake device, calculating the internal resistance of the drum brake device to the pneumatic device during the piston movement; calculating the thrust of the pneumatic device according to the pressure difference of the pneumatic device; combining the internal resistance and the thrust of the pneumatic device, with the actual roll force after the pneumatic device intervenes being less than the critical roll force as a constraint, determining the target pneumatic device thrust of the brake actuator; using the pneumatic device thrust deviation value as input and the pneumatic device absolute air pressure as output to establish a fractional-order PID controller; adjusting the pneumatic device according to the target pneumatic device absolute air pressure, so that the trailer follows the braking process of the tractor. Improve braking accuracy, avoid brake folding conditions, and improve braking safety.

The invention provides a multi-scale remote sensing image strip noise removal method, device, equipment and medium, and the method comprises the steps: obtaining an original image which comprises strip noise; performing T-layer Laplacian pyramid decomposition on the original image to obtain T sub-images with different scales; respectively carrying out filtering processing on the T sub-images to obtain corresponding T clean sub-images; and fusing the T clean sub-images to obtain a stripe-removed image corresponding to the original image. According to the method, the remote sensing image is decomposed into the sub-images with different scales through the Laplacian pyramid to remove the stripe noise, so that the stripe noise is removed more thoroughly; the sub-images are decomposed in the frequency domain, and the part containing the stripe noise is filtered, so that the detail weakening of the image can be avoided on the basis of accurately removing the stripe noise.

The invention relates to a reversible temperature-induced multistage color-changing microcapsule which comprises a core material and a shell material wrapping the core material, the core material is a reversible thermochromic core material; the shell material is a colored layer formed by uniformly dispersing a water-soluble dye in a shell material matrix; the microcapsule is obtained by adding a water-soluble dye solution into a core material solution for emulsification and then adding the prepolymer of the shell material matrix; the core material solution comprises a non-ionic emulsifier, the water-soluble dye solution comprises an anionic emulsifier, and the water-soluble dye is an anionic dye or a non-ionic dyestuff. Through the microcapsule structure design, the reversible temperature-dependent multi-stage color-changing microcapsule with the average particle size being smaller than 1 micron is obtained, and the reversible temperature-dependent multi-stage color-changing microcapsule has the advantages that the reversible temperature-dependent multi-stage color-changing microcapsule is prepared; and meanwhile, a good color development effect of the reversible temperature-induced multi-stage color-changing microcapsule is ensured.

Embodiments of the present application provide a display panel and a display device. The display panel comprises at least two sub-display panels. The sub-display panel comprises a plurality of pixel units and a plurality of driving circuits. The sub-display panel comprises a display area, and the display area comprises a first region and a second region. The plurality of driving circuits comprises a first driving circuit and a second driving circuit, and the plurality of pixel units comprises a first pixel unit and a second pixel unit. The first pixel unit is located in the first region, and the second pixel unit is located in the second region. The first pixel unit comprises a first light emitting component, and the second pixel unit comprises a second light emitting component. The first driving circuit is electrically connected with the first light emitting component, and the second driving circuit is electrically connected with the second light emitting component. When the data voltage received by the first driving circuit is the same as the data voltage received by the second driving circuit, the current flowing through the first light emitting component when the first light emitting component emits light is greater than the current flowing through the second light emitting component when the second light emitting component emits light.

The invention belongs to the field of electronic component detection equipment, particularly relates to computer quartz crystal resonator automatic detection equipment based on electronic engineering research, and aims to solve the problems that in the prior art, the manual detection efficiency is low, and currently used automatic detection instruments are inconvenient to automatically detect resonators of different specifications. According to the automatic detection equipment for the computer quartz crystal resonator based on the electronic engineering research, the lower side of the detection equipment is provided with grabbing equipment which works back and forth in a reciprocating mode, and the left side and the right side of the surface of a detection table are slidably connected with fixing plates which can synchronously move towards the inner side correspondingly; when the lifting box moves downwards, a structure that the two fixing plates synchronously move towards the inner side can be formed, and after the distance between the two detection heads is adjusted, the distance that the two fixing plates can move towards the inner side can also be adjusted. After the two detection heads are adjusted, the fixing plate can still stably fix a new to-be-detected quartz crystal resonator, and the detection range is widened.

The utility model discloses a steel structure building with integrated decoration module, including steel structure frame main part and the integrated module of setting in steel structure frame main part, steel structure frame main part is set up to make its bottom to be in the air, and the steel structure frame main part all is provided with open hole around, bottom and top, the bottom support steel beam of integrated module bottom is provided with being suitable for with steel structure frame main part connection, and the placing groove of being suitable for placing electromechanical system is set up on integrated module. It is convenient to install integrated module in steel structure frame main part through open hole, makes the installation not be restricted, and also can install from the side or bottom after steel structure frame main part is capped, has reduced the installation difficulty. Through placing groove, can install electromechanical system directly before decoration, only needs to connect the pipeline on electromechanical system with the power supply on the scene after entering the scene, need not carry out the opening and installation of electromechanical system in the construction site, has saved the massive construction procedure and manual labor of on -the -spot electromechanical installation.

The utility model discloses a concrete column - steel beam connecting device of column cap node, including concrete column and the section steel column in the inside of concrete column, the section steel column upper end extends upwards and forms steel column extension section, and the column cap of longitudinal reinforcement welding with concrete column is equipped with on steel column extension section upper end, and the column cap circumferential with corresponding steel beam is connected, and is equipped with the pouring hole and the exhaust hole on the column cap. The utility model can effectively avoid the longitudinal reinforcement area of concrete column top, avoid the longitudinal reinforcement damage or cutting welding such as weakening node performance caused by forcibly bending, still possess concrete blanking and the physical passage of vibrating, ensure that the node core area concrete can fill and vibrating compact completely, prevent honeycomb, hole and other defects, improve the node integrity and long -term durability.

The present invention discloses a traffic signal control cabinet with a nighttime warning function, comprising a control cabinet body, a lighting assembly fixedly mounted on the top of the control cabinet body, the lighting assembly comprising a fixing frame 1 and a motor, the fixing frame 1 being fixedly mounted on one side of the motor fixedly mounted on the fixing frame 1, and the present invention relates to the technical field of traffic signal control cabinets; the traffic signal control cabinet with a nighttime warning function can achieve a good lighting effect at night through the lighting assembly, making passers-by safer, and can be turned off in time when lighting is not needed during the day to prevent dust from falling on the lamp tube, so that the lighting assembly can maintain a good working state and light transmittance. When night falls, the light emitted by the lighting assembly can not only clearly outline the outline of the traffic signal control cabinet, but also allow pedestrians and vehicles to notice its existence at a long distance, avoiding collisions due to unclear vision.

The present invention relates to the field of traffic lighting technology, and discloses an intelligently adjustable weather-adaptive LED street lamp, comprising a lamp pole, a bracket, a lamp, a lampshade and a torsion spring, wherein the bracket is fixedly connected to the outer wall of the lamp pole, the lamp is fixedly connected to one end of the bracket away from the lamp pole, the bottom of the lamp is rotatably connected to the lampshade, and a torsion spring is sleeved at the rotatable connection between the lampshade and the lamp; through the rotation of a second filter plate under the action of strong wind, the air below the lamp can be drawn into the interior of the lamp through the second filter plate, and the air drawn into the interior of the lamp will push the rainwater flowing on the upper surface of the lampshade to flow rapidly during the blowing process on the upper surface of the lampshade, so that the rainwater on the upper surface of the lampshade flows down rapidly, and increasing the flow rate of rainwater can enable the water flow to flush the stains remaining on the upper surface of the lampshade, and at the same time, by blowing air into the interior of the lamp, it can be prevented that the water vapor generated by the evaporation of rainwater in the lamp under high-temperature irradiation can intrude into the internal components of the lamp.

The present application relates to the technical field of image processing, and discloses an image processing method, device, vehicle, storage medium and program product, wherein the present application determines a first frame type by identifying the physical source channel of an image to be processed, determines a second frame type by extracting the content feature parameter thereof, combines the content feature parameter with the frame combination relationship of the two frame types, accurately determines the target frame type of the image to be processed and the corresponding target safety level, and avoids inaccurate frame type calibration caused by factors such as low image quality and environmental interference. The entertainment frame is subjected to global unified processing, and the safety frame is subjected to separate processing on the safety layer and the entertainment layer thereof, so that the image to be processed is subjected to differential processing based on the target frame type and the target safety level, a target image is obtained, driving safety information is prevented from being weakened, the recognition degree of driving safety information in the target image is improved, the safety information is accurately identified by the intelligent driving system and the driver, and driving safety in the vehicle driving scene is ensured.

A rotary cultivator cutter head with cutters easy to replace comprises a cutter holder fixed to a rotating shaft, a first square groove matched with the rotating shaft is formed in the center of the cutter holder, a plurality of cutter clamping mechanisms are arranged on the periphery of the cutter holder in a circumferential mode, and each cutter clamping mechanism comprises a first clamping seat fixed to the cutter holder. A second clamping seat is hinged to the end, away from the tool apron, of the first clamping seat, and a rotary blade is installed between the first clamping seat and the second clamping seat. The tool has the positive effects that through the innovative design of the tool clamping mechanism and the locking mechanism, a user can rapidly complete installation and disassembly of the tool without using traditional fasteners such as bolts, the operation process is simplified through the change, the time needed for replacing the tool is greatly shortened, and the agricultural production efficiency is improved. Due to the fact that the cutter does not need to be provided with a hole to be matched with the bolt, weakening of the strength of the cutter caused by hole forming is avoided, meanwhile, due to the design of the clamping mechanism, extra stress borne by the cutter in the rotating process is reduced, and the service life of the cutter is remarkably prolonged.

The utility model discloses a main line knotless connection splayed ring, comprising a hollow cap, the top end of which is provided with a through hole in a penetrating manner; a sub-line connecting ring is rotatably arranged at the bottom end of the structural column; the connecting column is used for connecting the hollow cap and the structural column into an integrated structure; the bottom face of the hollow cap is provided with an annular blocking face, the inner diameter of the annular blocking face is larger than that of the penetrating hole, so that a knot of the main line which penetrates through the penetrating hole and is knotted is limited by the annular blocking face in a pull-back state, and therefore a knot-free self-locking connecting structure of the main line is formed. The bottom end of the structural column is provided with a cavity, and the sub-line connecting ring is rotatably arranged in the cavity, so that the sub-line can freely rotate by 360 degrees relative to the structural column in use. The structure can improve the connection strength, simplify the operation and improve the anti-winding performance, and is suitable for various fishing environments.

The invention relates to the technical field of oil and gas reservoir transformation and yield increase, and provides a nanometer oil displacement agent for fracturing and a preparation method and application thereof.The method comprises the steps that thiourea, molybdenum trioxide and thioacetamide are added into deionized water according to the proportion to be mixed, and stirring is conducted till sufficient mixing is conducted to form a mixed solution; adding the mixed solution into a reaction kettle with a polytetrafluoroethylene lining for reaction, and taking out a synthesized crude MoS2 mixed solution after the reaction; the crude MoS2 is subjected to ultrasonic oscillation washing with an ethanol solution and deionized water, and a pure MoS2 mixed solution is obtained; the preparation method comprises the following steps: preparing MoS2 nanosheets from a pure MoS2 mixed solution, weighing the MoS2 nanosheets and a surfactant, adding the MoS2 nanosheets and the surfactant into deionized water, and fully stirring; and centrifugally washing the product with deionized water, and re-dispersing the product in deionized water to obtain the temperature-resistant and salt-resistant functional nano oil displacement agent. According to the method, the imbibition oil displacement effect under the high-salinity and high-temperature stratum working conditions can be improved, and the reservoir transformation capacity is improved.

This invention proposes a gated time-series graph fusion-based learning signal modulation recognition method, relating to the fields of pattern recognition and intelligent information processing. The method uses the input IQ signal as the basic input, introduces an amplitude-phase adaptive filter, and adaptively emphasizes frequency band features relevant to discrimination under the supervision of the modulation recognition task through parameterized modeling of the spectral amplitude and phase. In the discrimination stage, a classification framework combining temporal and structural modeling is adopted to mine complementary discrimination information of the modulation signal in both the temporal and structural dimensions. A long short-term memory network is used to perform temporal modeling of the signal frame sequence, capturing the dynamic evolution characteristics of the modulation signal. Based on the fusion features, a dynamic graph adjacency matrix that simultaneously reflects local time-delay correlation and global similarity is constructed, and inter-frame correlation information is propagated through a graph neural network. Finally, a hierarchical discrimination fusion module adaptively integrates embedding vectors from different layers of the temporal and graph branches.

The utility model relates to the technical field of formwork erection, and provides a telescopic formwork which comprises a plurality of vertical rods, a plurality of transverse rods, a plurality of inner inserting rods and a plurality of connecting plates. A plurality of vertical rods are arranged at intervals, a plurality of cross rods are arranged between every two adjacent vertical rods, a plurality of cross rods are also arranged outside the two outermost vertical rods of the formwork, and the cross rods are detachably connected with the vertical rods; inner insertion rods are inserted into at least one ends of the at least two vertical rods respectively, and the inner insertion rods can stretch out and draw back in the corresponding vertical rods; the connecting plates are arranged on the periphery of the mold frame, the connecting plates located on the upper side and the lower side of the mold frame are connected to the ends of the inner inserting rods or the ends of the vertical rods, and the connecting plates located on the left side and the right side of the mold frame are connected to the ends of the transverse rods on the corresponding sides. The overall height of the formwork can be adjusted, the formwork can adapt to building components of different heights or building layer heights, material consumption is reduced, the single formwork does not need to be disassembled as a whole, overall carrying and mounting can be achieved, and the erecting efficiency of the formwork is high.

This application discloses a radar semantic segmentation method and system based on explicit Doppler coding and physical constraints, relating to the fields of intelligent sensing and radar signal processing technology. The method includes: acquiring raw range-angle-Doppler spectrum data from a millimeter-wave radar and preprocessing it; extracting Doppler motion features through baseline estimation and spectrum compensation, and generating a motion-aware feature map and a dynamic saliency weight map; fusing the data through self-attention and cross-attention mechanisms to generate a multi-view fusion feature map containing motion semantic saliency; wherein, for the multi-view fusion feature map at continuous time points, a dynamic persistence constraint loss function is constructed to apply time consistency regularization to the Doppler motion features. The multi-view fusion feature map is input into a semantic decoding network, and the radar semantic segmentation result is output. This application effectively improves the accuracy, stability, and physical consistency of radar semantic segmentation in complex dynamic scenes.

The invention relates to a valve disk (10) having a first and a second main spool (50; 60), each having a first or a second central axis (51; 61), each of which is provided with a first, a second, a third and a fourth cavity. According to the invention, the first working connection (31) is arranged in the direction of the transverse axis (11) between the first and the second central axis, said first working connection being permanently in fluid-exchange connection with the first and the third cavity, and the second working connection being arranged in the direction of the transverse axis (11) between the first and the second central axis, said second working connection being in fluid-exchange connection with the third cavity. The first and second main slide valves (50; 50 ') are permanently in fluid exchange connection with the second and fourth cavities. 60) can be moved between the first or second working interface (31; 32) and the at least one pump channel or the at least one tank channel such that the dual-acting actuator connected to the first and second working interfaces can be moved in two opposite directions.