167results about How to "Flexible matching" patented technology

The invention discloses an SAR (Synthetic Aperture Radar) image change detection method based on a mixing model, which mainly solves the problems of single mode structure, poor matching degree and poorer speckle noise suppression of the traditional SAR image change detection technology. The SAR image change detection method comprises the following steps of: (1) implementing geometric registration and radiation correction for two images with different time phrases in a same area; (2) inputting images to be matched and corrected; (3) preprocessing the input image; (4) extracting difference images for the pre-processed images ; (5) constructing a mixing model of the difference images; (6) constructing an evaluation function and a penalty function in the mixing model; (7) solving the evaluation function to obtain an optimal threshold value; and (8) outputting a result image according to the optimal threshold value. According to the SAR image change detection method based on the mixing model, the mixing model is modeled according to the extracted different images, the problem that the pixel distribution of the SAR image cannot be perfectly matched in a single model is solved, the false change information is reduced, and a better detection result is obtained.

The invention relates to a hot wastewater waste-heat recovery type heat pump hot-water system by utilizing waste heat of domestic and industrial hot wastewater, which comprises a wastewater recycle pool, a hot water tank, a filter, a water source circulating water pump, a water source heat pump, a make-up water pipe, a heat preservation water tank, a hybrid resource heat pump, a circulating water pump, a make-up water resource heat pump, a wastewater heat exchanger, and a hot wastewater circulating water pump, wherein three groups of modular units, namely the water source heat pump, the make-up water resource heat pump and the hybrid resource heat pump can be cooperated to run, also can be used independently and have flexible combination and convenient operation. An outdoor heat exchanger and a second heat exchanger of the hybrid resource heat pump can utilize thermal energy of air and the hot wastewater respectively; and when the defrosting is performed, the outdoor heat exchanger is taken as a condenser, and the second heat exchanger utilizes the hot wastewater as a heat source and is taken as an evaporator, the system has good defrosting effect and does not influence hot water temperature. The heat pump hot-water system utilizes the waste heat in a step way, fully recovers the waste heat, and has energy conservation and consumption reduction after the hot wastewater is collected.

The invention discloses a method for manufacturing a carbon fiber reinforced lead alloy plate grid and a winding lead-acid battery. The method comprises the following steps: (1) degumming carbon fiber sheets at a high temperature: arranging the carbon fiber sheets in an environment of 450-500 DEG C and roasting for 5-10 minutes to remove the epoxy resins, wherein the carbon fiber sheets are made from unidirectional long carbon fibers and epoxy resins; (2) soaking the carbon fibers: soaking the carbon fiber sheets in a liquid sodium-potassium alloy in an anhydrous and inert gas protection atmosphere and then taking out the carbon fiber sheets; (3) carrying out hot extrusion forming: quenching carbon fiber sheets and a lead or lead alloy liquid to below 200 DEG C, and extruding to manufacture a plate, wherein the lead or lead alloy liquid is at the temperature of 450-500 DEG C and the pressure of the lead or lead alloy liquid is 500-550Mpa; (4) rolling: rolling to form the plate; and (5) punching: punching to form holes. The prepared carbon fiber reinforced lead alloy plate grid is high in tensile strength, good in electroconductibility, light in weight and good in corrosion resistance, and can be coated with more active substances in unit area. The winding lead-acid battery prepared by the plate grid has the advantages of higher mass specific energy and volumetric specific energy.

The invention discloses an identity authentication method based on gesture characteristics, and the method is applied to a touch screen device. The method includes the steps that a current input gesture, on a touch screen, of a user is roughly compared with a plurality of gestures input in advance, and therefore rough similarity can be obtained; if the rough similarity requirement is reached, the acceleration, the angle and the distance of the current input gesture at each time slice are calculated, whether the acceleration, the angle and the distance of the current input gesture at each time slice are within the upper limit range and the lower limit range of the acceleration, the angle and the distance of the gestures input in advance at the corresponding time slice respectively or not are judged one by one, and the final similarity is calculated according to the judgment result; if the final similarity reaches a second preset threshold value, it is judged that identity authentication succeeds. The invention further discloses an identity authentication system based on the gesture characteristics. Through the method and system, according to the difference of the stability of the gestures input by the user, different password security grades are given.

The invention relates to a range hood, a method and a device of self-adaptive control thereof, and a storage medium. The method comprises the following steps that when the range hood is started, acquiring the starting time; inquiring a candidate control list according to the starting time so as to determine working parameters matched with the starting time; and controlling the running state of therange hood according to the determined working parameters. According to the technical scheme, when the range hood is started, the running state of the range hood can be automatically adjusted according to the working parameters of the range hood in the history, so that the use requirements of different users and at different time periods are met, the frequency of manually adjusting running parameters of the range hood by the users after the range hood is started is reduced, the convenience of the user operation is greatly improved, and the user experience is optimized.

The invention provides a short message type identification method and device. The method comprises the following steps: when a short message to be identified is received, calling a dictionary database pre-constructed by a client, wherein the lengths of feature words in the dictionary database include one or more characters; matching the text content of the short message to be identified with the feature words in the dictionary database, and determining a plurality of participles including corresponding feature words of the short message to be identified; rating the short message to be identified according to the plurality of participles to obtain a rating value of the short message to be identified; and identifying the type of the short message to be identified according to the rating value of the short message to be identified. Through adoption of the embodiment of the invention, the type of the short message can be identified through the rating value of the short message to be identified, so that the problems of waste in time and force and low efficiency due to manual checking and marking in the prior art are solved.

The invention relates to a radio frequency identification E-tag antenna and a preparation method thereof. The antenna comprises a support body and a conductive antenna pattern formed on the support body, the surface of the conductive antenna pattern is composed of metallic silver and a copper layer covered on the metallic silver. The quality of the copper occupies 35 percent to 95 percent of the total metal quality, while the square resistance value is more than 0 and smaller than 1 Omega/ Square. The antenna acquired by the invention is of low square resistance and good conductivity, while the preparation method is of simple process, high wiring precision, being suitable for industrialized production, lower cost and being able to flexibly match with different kinds of E-tags.

The invention aims to provide a method and a device for calculating resources in a distributed system. The method comprises the steps of obtaining target tasks and one or more pieces of target resource information corresponding to the target tasks in the distributed system, wherein the target resource information includes resource specification information; scheduling the target tasks to corresponding target data nodes; and processing the target tasks in parallel according to one or more resource specification dimensions corresponding to the resource specification information by utilizing the target data nodes. Compared with the prior art, the target resource information can be quickly matched with resource calculation demands corresponding to an actual business based on the resource specification information corresponding to the target resource information; when the target tasks sent by the system are obtained, the target tasks are processed in parallel according to the resource specification dimensions corresponding to the resource specification information, so that the resource calculation response speed of the system is increased; and meanwhile, the resource specification information can reflect respective business values, so that the business extensibility is enhanced.

The invention discloses a double-fluted disc driving knotter and relates to the technical field of straws or pasture harvesting bundling. The double-fluted disc driving knotter comprises a small fluted disc, a knotter rack, a large fluted disc, a cutter arm assembled on the knotter rack, a reeling buckling pincer engaging mechanism (R) and a rope clamping device driving mechanism (Q), wherein a composite fluted disc of the double-fluted disc driving knotter is divided into the small fluted disc and the large fluted disc; the small fluted disc and the large fluted disc are coaxially fixed on two ends of a main shaft hole of the knotter, so the knotter main shaft can be stressed in a balanced way and work stability of the knotter can be improved; three rope clamping notches are formed on the rope clamping disc, so the length of a rope cutting sheet slip-cutting a bundling rope can be prolonged and rope cutting action of the knotter is reliable; and a cutter arm roller rolls along a spatial profile curved surface and has a linear contact with the spatial profile curved surface of the surface of a cam, so bearing capacity can be enlarged and wear can be reduced. The double-fluted disc driving knotter is rationally structured and characterized by easy processing and assembling, low manufacturing cost and reliable knotting.

The present invention relates to a fresh mixing air feeding device which is used for the turbocharging piston type internal combustion with a fresh mixing air tube, the device includes a compressed air joint (42) which is sideways introduced to the tubular inner cavity (57) and is provided with a flow adjusting device (68), and an adjustable valve (60) arranged in the inner cavity (57) for flow regulating, wherein, the inner cavity (57) is limited with boundary by a first end joint (10) for inflow and a second end joint (9) for the outflow of the pressure charging air of the exhaust-driven turbocharger (22), wherein, the fresh mixing air tube is designed to be the form of the sole module (8), the two end joints (9 and 10) at the casing (89) is designed to be the form of the tube joint (86 and 87), and except for this they are suitable to be the supporting device of the module (8).

The invention discloses a Ka-band standing wave type series-fed microstrip line array antenna, a Ka-band standing wave type series-fed microstrip area array antenna and manufacturing methods thereof.The microstrip line array antenna comprises a dielectric substrate, a ground layer, a main feed line, a feed line and a series-fed microstrip line array. The main feed line and the series-fed microstrip line array are both connected to the upper surface of the dielectric substrate. The ground layer is connected to the lower surface of the dielectric substrate. The series-fed microstrip line arraycomprises a first impedance transform matcher and a plurality of array elements. The microstrip area array antenna includes a dielectric substrate, a ground layer, a main feed line, a plurality of second impedance transform matchers, and a plurality of series-fed microstrip line arrays. The main feed line, the plurality of second impedance transform matchers and the plurality of series-fed microstrip line arrays are all connected to the upper surface of the dielectric substrate. The ground layer is connected to the lower surface of the dielectric substrate. One end of the series-fed microstripline array is open-circuited, and the other end of the series-fed microstrip line array is connected to the main feed line through the second impedance transform matchers. The incident wave and the reflected wave are superimposed on the main feed line to realize standing wave transmission. The antenna structure is simplified by using the compact structure and simple design of the series-fed network.

The invention relates to an operation method for at least one head light (6,8) of a motor vehicle (2). The at least one head light (6,8)is controled by head light control equipment (10). The head light control equipment is designed to adjust light distribution of the at least one head light light (6,8) according to driving parameters; light distribution can be identified during highway driving and adjusted when the at least one head light (6,8) is provided with a far-light lamp, so light toward lights (6,8) on an opposite road (24r) can be reduced via maximum possible illumination degree (30) of the opposite road.

The invention provides a luminous device and a method for driving a luminous device. The luminous device (41) includes a plurality of semiconductor light sources (42) and at least one light-transmissive converter element (43) including a wavelength-converting phosphor (12) sensitive to the light emitted by the semiconductor light source, wherein the semiconductor light source can be at least partly covered by the converter element, and the converter element is movable such that a proportion of a light wavelength-converted by means of the converter element is adjustable depending on a position of the converter element, and the uminous device (41) is also provided with at least one adjusting unit performing adjustment related to working parameters and used for making the converter element move. The method is used for driving the luminous device (41) with at least one semiconductor light source (42), wherein the at least one light-transmissive converter element (43) makes working-parameter-related color change and/or strength change of the luminous device (41) be at least partly compensated according to working parameter movement of the at least one semiconductor light source (and/or the phosphor (12)).

The invention relates to the field of manufacturing and modification of agricultural machinery, in particular to a gearbox of a small tractor. A supplementary gearbox is additionally arranged on an existing gearbox, and a main variable shaft (IX shaft) is arranged in the supplementary gearbox. After a poking fork controls variable speed, on one hand, motive power is transmitted back to transmission gears of an original front drive through a carrier gear and a front drive clutch gear, and on the other hand, the motive power is transmitted to gears and shafts of a rear drive through a rear drive clutch gear. Due to the control by the poking fork, separation and reunion between the front drive clutch gear and the rear drive clutch gear are achieved, the front drive and the rear drive of the small tractor can carry out outputting in a completely synchronous mode, and at the same time, the front drive and the rear drive can be freely controlled to carry out the outputting independently according to needs. The gearbox of the small tractor can be flexibly matched with agricultural implements with different purposes, and is convenient to use. Most parts are universal with those of the existing gearbox, design and manufacturing expenses are reduced to the maximum extent, and the gearbox is convenient to use and maintain. The gearbox is suitable for transforming industry-agriculture-12 type small tractors.

The invention discloses a textile machine with a dust collecting device. The textile machine comprises a textile machine body and a dust collecting mechanism, wherein the dust collecting mechanism comprises a first dust suction pipe, the inlet end of the first dust suction pipe is located above the textile machine, the outlet end of the first dust suction pipe is connected with a second dust suction pipe, a dust outlet is formed in the lower part of the outlet side of the second dust suction pipe, the dust outlet of the second dust suction pipe is connected with a dust collecting box, the second dust suction pipe is internally provided with a screen mesh, and the outlet end of the second outlet suction pipe is connected with an air suction device; the lower part of the first dust suction pipe is shaped like a horn mouth, the upper part of the first dust suction pipe is L-shaped, and a damping frame is arranged on the horn mouth position in the first dust suction pipe and is fixedly provided with an air cannon which is connected with an air compressor through a pipeline; and the air cannon is composed of a buffer chamber and an air nozzle, wherein the air nozzle is located below the buffer chamber which is of a cylindrical structure. The textile machine has the characteristics of relatively good dust collecting effect, dust collecting thoroughness and relatively good flexibility.

The invention provides a method and a device for wireless communication. The method comprises the following steps: transmitting a first wireless signal by UE (User Equipment) in a first time window; and transmitting a second wireless signal in a second time window, wherein the first wireless signal contains first information, and the second wireless signal contains second information; the first information and the second information are used for determining M merged vectors; the first information is used for determining M vector groups; the second information is used for determining M coefficient groups; the M vector groups correspond to the M coefficient groups one by one; and the merged vectors are generated from the vector groups and the corresponding coefficient groups. According to the method disclosed by the invention, CSI (Customer Satisfaction Index) feedback overland is reduced on premise of ensuring the CSI feedback precision.

The invention discloses a helium-steam combined cycle combined cooling, heating and power system and method. The system comprises a steam turbine high-intermediate-pressure cylinder, a steam turbine low-pressure cylinder, a steam turbine electric generator, a condenser, a deaerator, a lithium bromide double-effect refrigerating unit, a heat supply network heat exchanger, a reactor, a helium-helium heat exchanger, a helium turbine, a helium turbine electric generator, a steam generator and a helium-water heat exchanger. Through the system and method, combined cooling, heat and power supply can be achieved based on the reactor, the cost is low, pollution is few, and meanwhile, flexible matching of cooling, heating and power can be achieved.