64 results about "Light rain" patented technology

The invention discloses a composite precipitation cloud layer identification method based on a laser radar-cloud radar, and the method comprises the steps: obtaining the observation data of the laser radar and the cloud radar, and carrying out the data matching of the observation data; processing a signal of the laser radar in a height interval of 18-20 km to obtain a preprocessed laser radar signal; performing laser radar cloud boundary identification based on a VED algorithm, and endowing different laser radar cloud scores according to the signal attenuation rate and the signal gradient; removing earth surface clutters by using a threshold method based on observation of spectral width and Doppler velocity; carrying out cloud radar significant echo recognition based on a threshold method, and determining the cloud score of the cloud radar according to different reflectivity factor signal intensities; determining a light rain area and a heavy rain area according to the Doppler velocity; cloud layer boundary information and a hairy rain area are obtained through cloud layer recognition result fusion, and cloud layer recognition and rainfall area recognition are completed; according to the invention, the accuracy of weather prediction is improved.

The invention discloses a dual-polarization radar multi-parameter fusion rainfall estimation system and method, and relates to the technical field of meteorological radars, and the system comprises a data collection module which is used for starting a dual-polarization radar to carry out long-term observation when an observation scene with uniformly distributed light rain weather appears, recording radar polarization parameters at different elevation angles, and carrying out the data collection module; transmitting to the deviation analysis module; the deviation analysis module is used for receiving the radar polarization parameters and calculating ZDR statistical characteristics according to the reference uniform scene; according to the invention, by constructing the antenna isolation elevation angle dependence model, dynamic reverse correction is carried out on ZDR and rhohv measurement values under different elevation angles, the influence of dynamic degradation of the antenna cross polarization isolation along with the scanning elevation angle on the measurement values is effectively eliminated, and real-time sensing and compensation of the isolation degradation along with the dynamic change of the elevation angle are realized; the radar can keep high measurement precision in the whole scanning space, and the conditions of precipitation phase state misjudgment and missing report are reduced, so that the accuracy of precipitation estimation is improved.

The utility model relates to the technical field of water conservancy parameter monitoring, in particular to a water conservancy flood control early warning device, and aims to solve the problem that a rain gauge in existing water conservancy flood control early warning is high in cost. The device comprises a water level gauge and a rain gauge, the rain gauge comprises a rainfall collector, a first tipping bucket, a second tipping bucket and a switching structure, the lower end of the rainfall collector is open, and the volume of a second metering groove of the second tipping bucket is larger than that of a first metering groove of the first tipping bucket; the switching structure comprises a switching driving assembly and a drainage piece, the drainage piece has a first state and a second state, and the switching driving assembly is used for switching the drainage piece between the first state and the second state. Under the condition of small rainfall, the drainage piece is in a first state, and rainwater in the rainwater collector is drained to the first tipping bucket; and under the condition of large rainfall, the switching driving assembly is started to drive the drainage piece to be in the second state, and rainwater in the rainwater collector is drained to the second tipping bucket, so that the rainfall measurement accuracy is improved.

The utility model relates to the technical field of light rainfall sensors, in particular to a special-shaped small-size multifunctional light rainfall sensor, which comprises a packaging assembly, a lens assembly, a circuit board and an air conditioner demisting sensor assembly, the lens assembly and the circuit board are fixed in the packaging assembly, and the air conditioner demisting sensor assembly is sleeved outside the packaging assembly; the packaging assembly comprises a mounting seat, an inserting part is arranged on the mounting seat, and the air conditioner demisting sensor assembly and the inserting part are located on the same side of a main body of the mounting seat. The air conditioner demisting sensor assembly and the insertion part of the mounting base are arranged on the same side, the overall size of the light and rain sensor is reduced by adjusting the structure of the circuit board, and the structural design scheme provided by the utility model can effectively reduce the occupation of the light and rain sensor on the mounting space, so that the installation cost is reduced. And the size of the light and rain sensor does not need to be reduced by sacrificing an air conditioner demisting sensor assembly, so that more possibilities are provided for the layout of other devices in the rearview mirror decorative cover.

The application discloses a new energy vehicle light rain amount control system and a control method thereof. The system comprises a light rain amount sensor, a vehicle body controller, a vehicle speed detection device, a headlamp group, a windscreen wiper and a window. The vehicle body controller is in communication connection with the light rain amount sensor, an instrument, the headlamp group, the windscreen wiper and the window. The light rain amount sensor is used for detecting the outside rain amount data and the light intensity around the vehicle body of the new energy vehicle and sending the data to the vehicle body controller. The vehicle speed detection device is used for detecting the vehicle speed of the new energy vehicle in real time and sending the vehicle speed to the vehicle body controller. The vehicle body controller is used for controlling the windscreen wiper and the window to open or close according to the outside rain amount data and controlling the headlamp group to open or close according to the light intensity around the vehicle body. The application realizes intelligent regulation and control and improves the convenience and flexibility of driving operation.

The application discloses a highway high-fill roadbed slope and a cavity disease detection device thereof, which comprises a plurality of support plates arranged equidistantly along a slope surface, two adjacent support plates are arranged close to each other, the lower part of the support plate is provided with an opening for guaranteeing the growth space of the slope plants, and the upper part of the support plate is provided with a drainage mechanism; the drainage mechanism comprises a water storage tank, a bearing plate, a drainage pipe, an adjusting pipe and a closing assembly; the water storage tank is obliquely embedded on the upper part of the support plate, a plurality of discharge ports are formed in the end of the water storage tank close to the opening, and the closing assembly is movably arranged in the water storage tank and can automatically control the opening and closing of the discharge ports according to the water level change in the water storage tank; the rainstorm erosion and loss are prevented through the cooperation of the support plate and the drainage mechanism, the soil is supplemented in light rain to prevent dry cracking, the ecological slope is compatible, the structural stability is improved, the cavity disease detection device with full-range adjustment is matched to accurately check the pipeline and the roadbed cavity, and the long-term safety and stability of the slope are comprehensively guaranteed.

The utility model provides a kind of for along river's confluent system community reconstruction uses suspension type self-turning plate shunt device, belong to municipal drainage technical field.The device includes fixed in river's intercepting box, hinge in the self-control flap of box top opening, the confluent pipe and drain pipe connected with box, and the sludge discharge pipe of box bottom;Self-control flap bottom is connected with limit spring, can be opened according to water flow pressure / Close automatically;Confluent pipe receives confluent water, drain pipe is connected with inspection well and transports intercepting sewage, sludge discharge pipe cooperates sludge discharge valve and discharges sludge.The device is installed by suspension and adapts space limited scene, need not electric drive to realize sunny day / light rain / heavy rain working condition's accurate shunt, solve sludge blockage problem, with simple structure, installation is convenient, operating reliably Characteristics, can effectively improve along river's confluent system community's rain and sewage shunt effect, protect river water quality.

The invention discloses a low-light rain scene graph restoration method based on a double-branch characterization learning network. The method mainly comprises the following steps: constructing a large amount of data sets to train a network according to the physical characteristics of a real world low-illumination rain map, namely, an area near a light source is mainly subjected to rain streak degradation and an area far away from the light source is mainly subjected to low-illumination degradation; a double-branch characterization learning network is provided based on the two features, that is, one branch learns the rain stripe feature, the other branch learns the low-illumination feature, and then the two features are fused to obtain degradation characterization required by a subsequent network restoration; performing mutual subtraction on RGB channels of the image to obtain a prior detail image for eliminating rain fringes hidden in a dark area, and taking the prior detail image as a pre-prompt for recovering the network; and finally, guiding a decoder of the recovery network by using the obtained degradation representation, and training the recovery network until the recovery network is completely converged. The method provided by the invention can well restore the low-light rain map in the real world, and is an effective image restoration method.

1. Name of the product in this design: MicroRain Radar (Single Antenna). 2. Application of this product design: It can detect and quantify precipitation processes with high precision. Its ingenious single-antenna design facilitates installation and deployment, making it suitable for refined weather forecasting and scientific research. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention relates to the field of vehicle control, specifically to a windshield wiper supplementary wiping control method, device, and vehicle. This application, upon triggering regular wiping with a valid raindrop, simultaneously opens a supplementary wiping detection window starting from the wiping moment, expanding the detection range from monitoring only valid raindrops to covering all raindrops in the range, providing a detection entry point for tiny raindrops that do not reach the effective threshold but affect visibility. Secondly, by setting graded perturbation thresholds, different intensities of raindrops are distinguished, enabling effective identification of tiny raindrops that do not reach the effective threshold but exceed the tiny raindrop threshold, fundamentally solving the problem of missed detection of tiny raindrops. Finally, differentiated supplementary wiping strategies are matched for different threshold ranges, ensuring visibility clarity in light rain while avoiding false triggers, solving the technical pain point of existing technologies that lack specific control for tiny raindrops, resulting in automatic wiping in light rain scenarios and requiring manual intervention.

The application relates to the technical field of energy power generation, and discloses a light rain synergic generator and method based on solar cell panel electrode multiplexing, which comprises a solar cell panel, a friction dielectric layer, a subsurface electrode C, an adjustable inclination angle and height assembly; the internal metal grid line and the conductive network of the solar cell panel simultaneously serve as a power generation electrode of the solar cell panel and an induced bottom electrode of the friction nanogenerator, electrode multiplexing is realized, and the induced charge can be guided out through the original photovoltaic output loop without an additional transparent conductive layer, relying on the alternating current short circuit (capacitive coupling) characteristics of the internal PN junction under the transient triboelectric pulse. The application completely saves a large-area transparent conductive electrode (ITO, etc.), only needs a layer of cheap FEP film and a small amount of copper foil, is easy to be large-scale transformed, almost does not affect the photovoltaic performance of the solar panel, and under the premise of not damaging the packaging of the solar panel, the generated short circuit current can reach 6 mu A, which is much higher than that of a traditional similar device.

1. The name of the design product: time period and weather display graphical user interface for electronic device. 2. The use of the design product: an electronic device. 3. The design points of the design product: the interface content of the graphical user interface of the electronic device. 4. The picture or photo that best indicates the design points: design 1 front view. 5. The electronic device is of conventional design, and the rear view, left view, right view, top view and bottom view of designs 1-7 are omitted. 6. Design 1 is designated as the basic design. 7. The use of the graphical user interface: the graphical user interface is used to display time period information of the current time and weather information of the current time period. For design 1, the initial display state of the electronic device is as shown in design 1 front view. At this time, the electronic device detects that the vehicle is in a powered-on state, the current time is in the "morning" period, and the current weather is "sunny", and the interface display shown in design 1 front view displays the time period information indicating "morning" and the weather information indicating "sunny". On the basis of design 1 front view, under the condition that the electronic device detects that the vehicle is in a powered-on state, the current time is in the "daytime" period, and the current weather is "sunny", enter the interface as shown in design 1 interface change state diagram, the interface shown in design 1 interface change state diagram displays the time period information indicating "daytime" and the weather information indicating "sunny"; for design 2, the initial display state of the electronic device is as shown in design 2 front view. On the basis of design 2 front view, under the condition that the electronic device detects that the vehicle is in a powered-on state, the current time is in the "evening" period, and the current weather is "sunny", enter the interface as shown in design 2 interface change state diagram, the interface shown in design 2 interface change state diagram displays the time period information indicating "evening" and the weather information indicating "sunny"; for design 3, the initial display state of the electronic device is as shown in design 3 front view. On the basis of design 3 front view, under the condition that the electronic device detects that the vehicle is in a powered-on state, the current time is in the "night" period, and the current weather is "sunny", enter the interface as shown in design 3 interface change state diagram, the interface shown in design 3 interface change state diagram displays the time period information indicating "night" and the weather information indicating "sunny"; for design 4, the initial display state of the electronic device is as shown in design 4 front view. On the basis of the design 4 home view, when the electronic device detects that the vehicle is in the powered-on state, the current time is in the "morning", "day" or "evening" period, and the current weather is rain, enter the interface as shown in the design 4 interface change state diagram. The interface shown in the design 4 interface change state diagram displays period information indicating a non-"night" period, weather information that the weather is "rain", and a dynamic effect indicating rain. The amount of rain displayed by the dynamic effect can be changed according to the obtained weather forecast information. The design 4 interface change state diagram shows the state when the weather forecast information is light rain. For design 5, the initial display state of the electronic device is as shown in the design 5 home view. On the basis of the design 5 home view, when the electronic device detects that the vehicle is in the powered-on state, the current time is in the "night" period, and the current weather is rain, enter the interface as shown in the design 5 interface change state diagram. The interface shown in the design 5 interface change state diagram displays period information indicating a "night" period, weather information that the weather is "rain", and a dynamic effect of rain. The amount of rain displayed by the dynamic effect can be changed according to the obtained weather forecast information. The design 5 interface change state diagram shows the state when the weather forecast information is light rain. For design 6, the initial display state of the electronic device is as shown in the design 6 home view. On the basis of the design 6 home view, when the electronic device detects that the vehicle is in the powered-on state, the current time is in the "morning", "day" or "evening" period, and the current weather is snow, enter the interface as shown in the design 6 interface change state diagram. The interface shown in the design 6 interface change state diagram displays period information indicating a non-"night" period, weather information that the weather is "snow", and a dynamic effect of snow. The amount of snow displayed by the dynamic effect can be changed according to the obtained weather forecast information. The design 6 interface change state diagram shows the state when the weather forecast information is light snow. For design 7, the initial display state of the electronic device is as shown in the design 7 home view. On the basis of the design 7 home view, when the electronic device detects that the vehicle is in the powered-on state, the current time is in the "night" period, and the current weather is snow, enter the interface as shown in the design 7 interface change state diagram. The interface shown in the design 7 interface change state diagram displays period information indicating a "night" period, weather information that the weather is "snow", and a dynamic effect of snow. The amount of snow displayed by the dynamic effect can be changed according to the obtained weather forecast information. The design 7 interface change state diagram shows the state when the weather forecast information is light snow.

The present application relates to the technical fields of reactive power compensation cabinet, in particular to an anti-impact low-voltage complete reactive power compensation cabinet, which comprises a cabinet assembly, the cabinet assembly comprises a cabinet and heat dissipation windows arranged on the left and right side walls of the cabinet, a dehumidification assembly for absorbing water vapor during rainstorm is arranged on the top of the cabinet, a dust screen is fixed on the inner side of the heat dissipation window, a cleaning assembly for cleaning the dust screen is arranged between the front and back side walls of the heat dissipation window, and a dismounting assembly for quickly dismounting and replacing the dehumidification assembly is arranged on the outer walls of the left and right sides of the cabinet. The compensation cabinet is provided with the dehumidification assembly, which can not block the heat dissipation in light rain, dehumidify the inhaled air and splashed raindrops during heavy rain, and ensure the safety of the internal components. The device is provided with the cleaning assembly, which can clean the dust screen while dehumidifying, avoiding the accumulation of dust affecting heat dissipation. In addition, the device is provided with the dismounting assembly, which can quickly dismount and replace the dehumidification assembly when the dehumidification capacity of the dehumidification assembly is insufficient.

The present application relates to the field of children's clothing, and disclose a full protection type coat, solve the existing protective coat in special weather on the head of children protective effect is poor, and children's hands exposed also can not get protection problem, it includes protective coat and set in protective coat top protective cap, the front side of protective cap is provided with two transparent sheet, and the front side of protective cap is also provided with first air hole for breathing, the connecting place of protective coat and protective cap is provided with for the stability of protective cap is fixed on the head of the stabilizing assembly, protective coat and protective cap are connected, by pulling the pull head, protective coat and protective cap can be sealed, can all round to children for protection, and children can see the outside world through the transparent sheet, in special weather, such as cold weather or light rain, light snow, the head of children, especially the eyes, can get all-round protection.

The utility model is applicable to the field of unmanned aerial vehicle inspection, and provides an unmanned aerial vehicle inspection equipment rainproof and dustproof device, which comprises an unmanned aerial vehicle and an inspection assembly arranged at the bottom of the unmanned aerial vehicle, the unmanned aerial vehicle comprises a vehicle body, and the inspection assembly comprises a protection box, a cover plate, a telescopic motor and inspection equipment. The telescopic motor drives the lead screw and the driving rod to rotate, the inspection equipment is controlled to move through threads of the lead screw and the driving rod, the inspection equipment can stretch out when used and retract when not used, the protection box is matched with the cover plate, and the inspection equipment is shielded and protected; therefore, the time that the inspection equipment is exposed to the outside is shortened, the rainproof and dustproof effects are achieved, meanwhile, when the inspection equipment stretches out, the arranged cover plate can also achieve a certain rainproof effect, and therefore the inspection equipment can still work under the condition of light rain.

The invention discloses a light rain high-precision measurement method based on a microwave link, and the method comprises the steps: building a microwave link composed of a microwave transmitting end and a microwave receiving end, and collecting the level value of the microwave link in real time; selecting a microwave link level value cardinal number in the nearest period at the current moment in a clear sky state as a base line J; the average value of the microwave link level values in a period of time T1 before the current moment is collected to serve as a current microwave link subline NJ; preliminarily judging whether rain exists or not based on the base line J and the current microwave chain roadbed line NJ; when it is preliminarily judged that rain exists, whether rain exists finally or not is judged according to the variation K of the microwave link level value within the time T2 by collecting the microwave link level value within the time T2 before the current moment; when it is judged that the rainfall finally exists, whether the rainfall is light rain or not is judged by adopting an ITU-R rainfall intensity inversion model according to the collected microwave link level value, and when the rainfall is light rain, the high-precision final light rain rainfall is obtained through inversion by adopting the ITU-R rainfall intensity inversion model.

This application provides a windshield wiper control method, a windshield wiper system, and a vehicle, relating to the field of electronic control technology. The method includes: acquiring data detected by a rain sensor and a perception sensor, the perception sensor including at least one of radar and a vision sensor; determining a target scene based on the data detected by the rain sensor and the perception sensor, the target scene being at least one of a heavy rain scene, a light rain scene, a foreign object attachment scene, and a no-rain scene; and issuing a control command to instruct the wiper blades to execute the wiping mode corresponding to the target scene. This application, by combining and processing the detection data from the rain sensor and the perception sensor, can improve detection accuracy, thereby solving the problems of difficult and false wiping, and improving the user experience.

The utility model discloses a rain sensor calibrating device which is composed of a microcontroller module, an electronic balance module, a water container, a control valve A, a control valve B, a power supply module, a keyboard group module and a display module. The power supply receiving end of the microcontroller module is in butt joint with the power supply module, the control information output end of the microcontroller module is in butt joint with the control valve A and the control valve B respectively, the video output end of the microcontroller module is in butt joint with the display module, and the information input end of the microcontroller module is in butt joint with the keyboard group module. The rain sensor calibration device is simple in structure, the rain sensor is calibrated through a weighing mode of the electronic balance module, automatic calibration of multiple points such as light rain, moderate rain and heavy rain of the rain sensor can be realized, and unattended operation can be realized.

The application relates to the technical field of vehicle control, and discloses a wiper control method based on capacitive glass, which comprises the following steps: collecting capacitive change signals through a plurality of capacitive detection points arranged on a windshield, extracting characteristic parameters of the capacitive change signals, judging the signal types of the capacitive change signals according to the characteristic parameters, when the signal type is a raindrop signal type, counting the number of detection points corresponding to the raindrop signals and the occurrence frequency of the raindrop signals, determining wiper control information according to the number of detection points and the occurrence frequency, and controlling the wiper by using the wiper control information. The raindrop signals and interference signals are distinguished by extracting the capacitive change amount and the signal duration, and the spatial distribution quantity of the raindrop signals on a plurality of detection points and the time occurrence frequency are comprehensively counted, so that the sparse light rain scene can be accurately identified, the false triggering caused by dry foreign matters can be effectively filtered, and the response reliability in different rainfall environments is considered.

The utility model discloses a road rainwater collecting system, which comprises a motor vehicle lane 25, separation strips 26 on two sides, a non-motor vehicle lane 27 and a sidewalk 28, and further comprises a permeation and overflow inspection well 7 positioned in the middle of the separation strips 26 on the two sides; one end of the overflow pipe 12 is vertically connected with the permeation overflow inspection well 7; the environment-friendly gutter inlet 10 is positioned on the side edge of the motorway 25 and is vertically connected with the other end of the overflow pipe 12; the top of the rainwater square ditch 14 is provided with a rainwater square ditch cover plate 13 provided with a reserved hole 15, and the rainwater square ditch cover plate 13 is connected with the environment-friendly rainwater opening 10; the reserved hole 15 is communicated with the environment-friendly gutter inlet 10 and the rainwater square ditch 14, road rainwater is collected and discharged in a sponge measure and rainwater pipeline combination mode, rainwater permeation is increased, rainwater residence time is prolonged, the rainwater regulation and storage capacity is improved, filtering and purification of light rain and first rain are effectively achieved, and the rainwater storage capacity is improved. And meanwhile, heavy rain does not affect rainwater drainage.

The invention discloses a slope protection device for water and soil conservation, and relates to the technical field of water and soil conservation equipment.The slope protection device comprises a slope body, two temporary reservoirs are arranged at the lower left corner and the lower right corner of the slope body respectively, and a plurality of transverse diversion channels and longitudinal diversion channels are formed in the upper surface of the slope body; a diversion mechanism is installed at the intersection of the transverse diversion channel and the longitudinal diversion channel, the diversion mechanism can randomly guide rainwater to converge to the temporary reservoirs at the lower left corner and the lower right corner correspondingly, and a gravity sensing mechanism is arranged above the diversion mechanism; the diversion mechanisms can be periodically regulated and controlled through the gravity sensing mechanism so as to change the rainwater confluence direction regularly, the device is randomly triggered through the multiple sets of independent diversion mechanisms by means of the gravity sensing bucket, water flow convection can be formed, the retention time of rainwater on a slope body can be prolonged, the rainwater can be evenly distributed to a water storage pool, and a diversion plate is designed to be in a foldable form; the channel is expanded by folding in light rain and is quickly drained in heavy rain.

An outdoor box-type transformer substation comprises a box body, a plurality of heat dissipation hole sets are formed in the rear side face of the box body in the vertical direction, each heat dissipation hole set comprises a plurality of heat dissipation holes arranged in the horizontal direction, a rainproof cover is arranged on the top face of the box body, and water collecting grooves are formed in the periphery of the rainproof cover; light rain-shielding foam plates are arranged on the outer sides of the heat dissipation hole sets, long holes corresponding to the multiple heat dissipation hole sets are formed in the rain-shielding foam plates, water storage tanks are arranged below the outer sides of the heat dissipation hole sets, the lower portions of the rain-shielding foam plates are slidably connected into the water storage tanks through floating assemblies, and the rain-shielding foam plates can move up and down in the vertical direction. The long holes and the adjacent heat dissipation hole sets can be arranged in an overlapped mode when the lower end face of the floating assembly makes contact with the bottom face of the water storage tank. According to the utility model, the rain-shielding foam plates can be easily supported upwards by rainwater, and the heat dissipation hole groups are shielded by the rain-shielding foam plates between the adjacent long holes, so that rainwater splashing into the box body is reduced, and the phenomena that equipment in the box body is affected with damp and is short-circuited are reduced.

The invention discloses a desert region extreme rainfall collection and irrigation device and an irrigation method thereof.A rainwater collection mechanism comprises positioning supporting plates fixedly connected to the two sides of a rainwater collection tank, positioning baffles are fixedly connected to the two sides of the tops of the two positioning supporting plates, and a first supporting connecting rod is rotationally connected between every two positioning baffles; a plurality of fixed connecting seats are fixedly connected to the outer walls of the two first supporting connecting rods at equal intervals, and a conical rainwater collecting groove is fixedly connected to one side of each two opposite fixed connecting seats. The rainfall threshold value required for forming runoff is greatly reduced, precious light rain and micro rain in the desert area are especially effective, when rainwater does not need to be collected, the conical rainwater collecting groove at the top is closed, then the interior of the rainwater collecting groove is protected, the situation that in extreme weather of the desert area, desertification occurs in the rainwater collecting groove is prevented, and the rainwater collecting groove is suitable for being used in the desert area. And the service life of the collecting device in the using process is prolonged.

1. The name of the design product: total station rain cover. 2. The use of the design product: for engineering measurement total station rain cover, can work continuously in light rain and 5 level wind environment, realize rain and wind resistance. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view. 5. The bottom of the design product is not easy to see or not visible during use, omit the top view.

The application discloses a kind of light image rain removal algorithm based on deep learning, mainly used for image rain removal, solve the rain image of the day shooting rain removal problem and background recovery problem.Propose a kind of light image rain removal method based on PReNet model, to PReNet model as foundation, improve its network structure, in guarantee rain removal real-time, while, obtain better rain removal effect.For the background of PReNet existing false deletion problem, introduce dilated convolution (Dilated Convolution), it can be aggregated multi-scale context information without losing any resolution systematically, and does not need additional parameters, can guarantee the speed of network;For the gridding artifacts problem caused by dilated convolution, hybrid dilated convolution HDC (Hybrid Dilated Convolution) is used to solve.The application can guarantee better light rain rain stripe removal effect, while improving the removal effect of heavy rain rain stripe.

A target identification method based on weak feature enhancement in a complex environment comprises the following steps: firstly, carrying out multi-scale feature extraction and defuzzification feature enhancement on multi-sensor data by fusing multi-sensor information of a laser radar, a millimeter wave radar, a visible light camera, an infrared camera and the like; then multi-scale feature adaptive fusion and heterogeneous scale feature alignment are carried out; and realizing enhanced fusion of multi-dimensional weak features by using a multi-scale enhanced learning fusion network based on cross attention. And finally, accurate identification of the target is completed based on a deep learning target detection algorithm. The method can effectively cope with complex conditions such as smog, dust, light rain and night, and realizes stable and accurate identification of targets such as personnel and vehicles.

This disclosure relates to the field of vehicle technology, specifically to a method, device, and vehicle for controlling windshield wiper mis-wiping. The method includes: acquiring key environmental data related to weather type from environmental data of the vehicle's environment; comparing the key environmental data with a preset numerical range corresponding to a sunny weather type to obtain a first comparison result; if the first comparison result indicates that all key environmental data fall within the preset numerical range, then verifying the validity of the currently detected rainfall signal, and controlling the vehicle's windshield wipers to perform wiping after confirming that the rainfall signal has passed the validity verification. This disclosure uses multi-dimensional key environmental data to determine sunny weather, replacing the traditional single-judgment logic based solely on light intensity. It distinguishes between true sunny weather and strong light interference from non-sunny weather at the source, significantly reducing the probability of mis-wiping on sunny days. Rainfall signal verification is only initiated in true sunny weather scenarios, avoiding the verification logic affecting the response speed in light rain, focusing on mis-wiping scenarios on sunny days, and thus offering better adaptability.

The application discloses a raindrop particle diameter inversion method based on Doppler velocity spectrum and a light rain radar system, and particularly relates to the field of radar detection technology, and is used for solving the systematic deviation problem caused by environmental disturbance and phase state difference when the existing radar system inverts raindrop particle diameter; the Doppler velocity spectrum is obtained through vertical detection of a frequency-modulated continuous wave radar, the initial raindrop particle diameter distribution is obtained through inversion based on the physical relationship between the terminal falling speed of raindrops and the diameter, the atmospheric temperature and humidity profiles measured by a ground-based microwave radiometer and the cloud vertical structure information measured by a laser radar are synchronously obtained, the physical mutation point of the initial raindrop particle diameter distribution on the vertical profile is diagnosed based on the atmospheric temperature and humidity profiles and the cloud vertical structure information, the constraint weight of the corresponding auxiliary data is inhibited at the height layer where the physical mutation point is located, and the adjacent height layer information is mainly used for fusion correction to obtain the corrected raindrop particle diameter distribution, and finally the corrected raindrop particle diameter distribution is output, so that the inversion precision is improved.

The present application relates to a kind of laser radar point cloud quality test method under rainfall weather, belong to the field of perception test.The present application is divided into three parts: for the problem of distance attenuation of laser beam in the propagation process, design and propose a kind of multi-collaborative target distance information test working condition method based on BEV perspective, to obtain the attenuation degree of target distance under different rainfall conditions;For the problem of excessive data amount of laser radar point cloud map data saved under seven conditions of no rainfall, light rain, moderate rain, heavy rain, heavy rain, heavy rain, design and propose a kind of polar coordinate grid segmentation mechanism based on region space, it is divided into different size region space for the problem of laser radar point cloud near dense far sparse, to solve the problem of excessive data amount;For the voxel grid divided by the polar coordinate grid segmentation mechanism based on region space, design and propose a kind of point cloud matching method based on iterative voting mechanism, to obtain the proportion of point cloud noise under different rainfall conditions.

The embodiment of the utility model relates to the technical field of wind power generation equipment, and provides a rainproof ring which is used for being installed on the top of a tower drum flange and can effectively protect a lower-section tower drum flange against rain in the small rain scene in the tower drum hoisting process, and then butt joint operation of an upper-section tower drum and the lower-section tower drum is achieved. The rainproof ring comprises a plurality of arc-shaped rainproof covers, each arc-shaped rainproof cover comprises a top edge part, a first side edge part and a second side edge part, and the first side edge parts and the second side edge parts are connected with the two opposite sides of the top edge parts correspondingly; the top edge part is used for being arranged on the top surface of a tower drum flange, the first side edge part is used for being arranged on the inner wall of the tower drum flange, and the second side edge part is used for being arranged on the outer wall of the tower drum flange; the multiple arc-shaped rainproof covers are sequentially connected to form a rainproof ring in a surrounding mode.