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141results about How to "High product precision" patented technology
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Medicament dosing system
InactiveUS6129702ALow production costFunction increaseFlow control using electric meansVolume measurement and fluid deliveryBiomedical engineeringResistor
PCT No. PCT / EP97 / 06574 Sec. 371 Date Jun. 6, 1999 Sec. 102(e) Date Jun. 6, 1999 PCT Filed Nov. 25, 1997 PCT Pub. No. WO98 / 24496 PCT Pub. Date Jun. 11, 1998A medicament dosing system comprises a replaceable unit and a permanent unit. The replaceable unit comprises a fluid reservoir for receiving therein a pressurizable liquid medicament, a temperature sensor for detecting the temperature of said liquid medicament, a fluid channel which is provided with a flow resistor and which is in flow communication with the fluid reservoir, and a hose means which is connected to the fluid channel. The permanent unit comprises a squeezing valve means for squeezing the hose means together, and a control means which is coupled to the temperature sensor and the squeezing valve means so as to control a flow rate of the liquid medicament by clocked actuation of said squeezing valve means depending on the temperature detected. Alternatively, the temperatur sensor can be arranged in the permanent unit.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV
Elastic micro probe and method of making same
InactiveUS20060208751A1Reduce labor-intensive assembly procedureMuch manufacturing timeElectrical measurement instrument detailsElectrical testingBiomedical engineeringElectrically conductive
Owner:MICROELECTRONICS TECH INC
Cooled components with conical cooling passages
InactiveUS6923247B1High product precisionIncrease heat loadPropellersEngine manufactureMachiningCooling channel
A thermally highly loaded machine component (10), which is protected from overheating by film cooling, is provided with conical cooling passages (30) of circular cross section. The cooling passages are designed so as to be divergent from the cold-gas side (13) toward the hot-gas side. The conical cooling passages, as compared with cylindrical passages with regard to the mass flow of cooling medium (35) fed through the cooling passages, are substantially less dependent on the pressure ratio between the cold-gas side (13) and hot-gas side (14) of the component. The straight conical cooling passages of round cross section throughout may be produced in a very simple manner by laser drilling, with a convergent cutting beam being used for the machining.
Owner:ANSALDO ENERGIA IP UK LTD
Flexible passivating processing method for superhard cutting tool and flexible passivating processing device thereof
InactiveCN102658507ATroubleshooting issues with passivationEasy to implementOther manufacturing equipments/toolsWater basedImpeller
The invention discloses a flexible passivating processing method for a superhard cutting tool and a flexible passivating processing device thereof. The flexible passivating processing method comprises the steps as follows: superhard or high-hardness grinding material is mixed with an aqueous phase according to a predetermined proportion to form a water-base passivating medium that is put in a container; a turbine impeller is arranged in the container; the turbine impeller drives the water-base passivating medium in the container to rotate towards the same direction; the superhard cutting tool is clamped by a clamp; a cutting edge of the superhard cutting tool is dipped into the water-base passivating medium in the container, and the clamp is led to drive the superhard cutting tool to rotate in the water-base passivating medium at the same time; the rotation direction of the clamp and the superhard cutting tool is opposite to that of the water-base passivating medium; and the flexible passivating treatment on the superhard cutting tool can be achieved through the friction which is generated by the reverse rotation of the water-base passivating medium relative to the superhard cutting tool. By adopting the flexible passivating processing method, the problem that in the prior art, passivating treatment is carried out on the superhard cutting tool can be solved effectively; and the flexible passivating processing method has the characteristics of simplicity and easiness in implementation.
Owner:XIAMEN TUNGSTEN
Casting and forging double-control forming system based on digital twinning and parameter optimization method
ActiveCN112427624AReduce investmentReduce production processCasting safety devicesArtificial lifeProcess engineeringTransmission system
The invention relates to a casting and forging double-control forming system based on digital twinning and a parameter optimization method, and belongs to the field of automation. The system comprisesa physical entity system, a data sensing system, a network transmission system and a digital twinning system. The data sensing system collects information data in the operation process of the physical entity system and transmits the information to the digital twinning system through the network transmission system. A virtual model of a physical entity is established in the digital twinning system, and dynamic analogue simulation of a casting and forging double-control forming process is carried out to realize virtual-real interaction mapping; and meanwhile, key process parameters of the casting and forging double-control forming process are intelligently optimized and adjusted, an optimization scheme is fed back to the production process to guide actual production operation, closed loop of the production process is improved, and management is optimized. The casting and forging double-control forming system is small in equipment and die investment, intelligent and networked productioncan be achieved easily, the mechanical performance and the product precision of workpieces are greatly improved, and the casting and forging double-control forming system has good application value.
Owner:CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI +1
Special spinning machine for numerical control die-free fan
The invention discloses a special spinning machine for a numerical control die-free fan. The spinning machine is provided with a spinning wheel and a support wheel which are connected by four brackets. Spin forming can be finished on various fan parts with the wall thickness of more than 12 millimeters or the diameter of more than 2,000 millimeters in the absence of a die by adopting hydraulic servo technology and numerical control technology and accurately controlling movement of the spinning wheel and the support wheel. The spinning machine has the properties of high product precision and good quality, improves the production efficiency and product quality of the fan parts, saves the production cost and does not need to use the die in the production process.
Owner:SHAANXI MAIRUI CNC EQUIP
Light adjusting apparatus
Owner:OLYMPUS CORP
Molding and punching tool for producing thin-film sheet and manufacture method of thin-film sheet
The invention relates to a die for manufacturing film sheets and a method for manufacturing film sheets with the die. The die comprises a first crest slab, a first upper film fixing plate which is fixed under the first crest slab, a first lower film fixing plate, a first upper film insert, a second upper film insert, a first upper film, a first lower film insert, a second lower film insert and a first lower film; the die also comprises a first elastic part, a second elastic part, a return rod and a knockout rod which are used for knocking out and restoration. With the die for manufacturing film sheet, tasks of punching film and hot molding of film which need two sets of dies originally can be fulfilled with one set of dies; therefore, the die number, operators and equipment are decreased and the productivity is promoted and the expenditure is decreased.
Owner:QUNDA PLASTIC ELECTRONICS SHENZHEN
Inner spinning equipment
ActiveCN108160793AHigh product precisionImprove yieldMetal-working feeding devicesPositioning devicesBatch productionEngineering
Owner:AEROSPACE INST OF ADVANCED MATERIALS & PROCESSING TECH
Electronic component production method and electronic component production equipment
InactiveUS20090217515A1High production efficiencyManufacturing cost be reducePrinted circuit assemblingSolid-state devicesInterposerElectron
Manufacturing an electronic component 5 in which an interposer 50 is bonded to a base circuit sheet includes a base circuit forming step for forming a base-side terminal in a continuous base member 610 in continuous sheet form, an arranging / bonding step for arranging the interposer 50 on a surface of the continuous base member 610 in which the base-side terminal is formed and bonding the interposer 50, and a separating step for cutting out the electronic component 5 from the continuous base member 610 to which the interposer 50 is bonded. In this electronic component manufacturing method, for the common continuous base member 610, each of the steps is repeated in parallel while this continuous base material 610 is being advanced.
Owner:HARRIS CORP
Dynamic pressure bearing device, and manufacturing method and assembly jig thereof
InactiveUS6966699B2High product precisionApply evenlyShaftsRecord information storageAdhesiveMiniaturization
It is an object of the present invention to provide a miniaturized, high-precision, easy, and low-cost dynamic pressure bearing device and a manufacturing method thereof. In manufacturing a dynamic pressure bearing device, a first and a second ring-shaped member are fixedly fitted to an outer peripheral surface of a rotating shaft member to constitute a rotating portion, an intermediate member is disposed between these members to constitute a fixed portion, a thrust bearing portion is formed in gaps between the first and second ring-shaped members and the intermediate member, and a journal bearing portion is formed in a gap between the rotating shaft member of the rotating portion and the intermediate member, the first and second ring-shaped members being fixed only with an adhesive applied on surfaces thereof which is to be fitted to the rotating shaft member.
Owner:RELIAL CORP
Quick hydraulic control device of hydraulic injection molding machine
The invention discloses a quick hydraulic control device of a hydraulic injection molding machine. A control signal of a servo driver is connected with a driver; the driver is connected with a servo motor; the servo motor drives an oil pump to run; an inlet of the oil pump is connected with a filter; an oil tank is arranged below the filter; an oil pump pressure sensor is mounted at an outlet of the oil pump; a valve opening A of a unidirectional cartridge valve is connected with the outlet of the oil pump; a valve opening B of the unidirectional cartridge valve is connected with a valve opening A of a pressure valve insertion piece; a valve opening B of the pressure valve insertion piece is connected with the oil tank; a valve opening P of a direction cartridge valve is connected with the valve opening A of the pressure valve insertion piece; a valve opening T of the direction cartridge valve is connected with the oil tank; the valve openings A and B of the direction cartridge valve are connected with two cavity valve openings of an oil cylinder; and an oil cylinder pressure sensor is connected with the valve opening P of the direction cartridge valve. The quick hydraulic control device of the hydraulic injection molding machine guarantees long service lives and stable work of the motor and the oil pump and ensures that a hydraulic system works normally; a high-flow working condition is met; furthermore, the quick hydraulic control device is high in response speed and high in control precision and ensures that the injection molding speed is high and different working stages are switched; and the production efficiency and the precision of a product are improved.
Owner:ZHEJIANG UNIV
Continuous punching and hole flanging blanking die
InactiveCN103586350AImprove work efficiencyHigh product precisionShaping toolsMetal-working feeding devicesPunchingIndustrial engineering
The invention relates to a continuous punching and hole flanging blanking die which comprises an upper die plate, a male die and a lower die plate. The continuous punching and hole flanging blanking die is characterized in that the upper die plate is fixedly connected with a male die fixing plate and a material pressing plate, the male die is pressed into the male die fixing plate, a spring is placed between the fixing plate and the material pressing plate, and a guide needle is arranged in the material pressing plate; the lower die plate is fixedly connected with a female die and material guiding plates, and the female die is provided with side edges, step locating blocks, floating pins, an initial locating pin and a punching and hole flanging blanking cavity. According to the die, common equipment is used for production, the cost of investment of the equipment is greatly lowered, the utilization rate of the equipment is improved, and working efficiency and product precision can be improved substantially.
Owner:QINGDAO HOSEN HEAVY IND
Process joint for aircraft panel component assembly, and assembly method
InactiveCN105690057AHigh product precisionAccurate locationAircraft componentsSheet joiningAirplaneSurface cover
The invention belongs to the technical field of aircraft manufacturing, relates to assembly for aircraft body panel components, and specifically relates to a process joint for aircraft panel component assembly, and an assembly method. An aircraft body is generally formed by carrying out riveting assembly on a plurality of panel components, the aerodynamic shapes of modern aircrafts are mainly complex hyperboloids, and the shapes of surface covering parts, that is, skin panels, of the modern aircrafts, are also mostly hyperboloids, thus difficulty is brought to assembly location. The invention designs a process joint for aircraft panel component assembly, and an assembly method, for keeping accurate riveting assembly positions of the panel components and increasing the assembly efficiency. Assembly location among the panel components is carried out by virtue of the method, a digitized assembly method is realized, allowance reservation is not required for the panel components, and field manual repair is not needed any more; the assembled products are high in accuracy and accurate in position; and the production efficiency is also greatly improved.
Owner:HARBIN
Wafer chamfering machine and wafer machining method
InactiveCN102501151AHigh product precisionCommission YieldEdge grinding machinesAutomatic grinding controlEngineeringData processing
The invention discloses a wafer chamfering machine, which comprises a frame, a data processing system and a numerical control device for wafer machining. The numerical control device comprises a chamfering operation end, the data processing system comprises a data input unit, a data processing unit and a data output unit, the data output unit is connected with the numerical control device and used for inputting data to the numerical control device, and the numerical control device is used for controlling the chamfering operation end to chamfer wafers. The wafer processing method includes that wafer information is input in the data processing system and outputted to a command receiving end of the numerical control device after data processing, an executive optical device automatically searches the wafer to lead the operation end to focus on the edge of the wafer, the wafer is circumferentially machined by the operation end until chamfering is complete, and a wafer program is reloaded for machining of a next wafer and quitted until the procedure is complete. The wafer data are stored for calling of the next time. The wafer chamfering machine and the wafer machining method are high in machining precision and high in yield.
Owner:杨心宏
Feedback controlled tension applying system
InactiveUS6968254B2Easy to set upEasy to adjustAutomatic control devicesPrecision positioning equipmentEngineeringFeedback control
A feedback controlled tension applying system includes a corrugated fin processing device that processes a fin material in continuous sheet form while applying a tension to the fin material. A tension applying device applies the tension to the fin material. An encoder measures a moving amount of the fin material, and a control device that feedback-controls the tension applying device based on a measurement result of the encoder so that the moving length amount per predetermined time of the material becomes a set value that is set in advance.
Owner:CALSONIC KANSEI CORP
Insulating bearing with insulating ferrule and manufacturing method thereof
InactiveCN102979813AQuality assuranceLow costRolling contact bearingsBearing componentsMechanical pressElectrical and Electronics engineering
The invention relates to an insulating bearing with an insulating ferrule and a manufacturing method thereof. The insulating bearing is characterized in that either an outer ring or an inner ring is the insulating ferrule, the insulating ferrule comprises a whole-body insulating ferrule or a half-body insulating ferrule, the whole-body insulating ferrule is made from a whole-body insulating material, and the half-body insulating ferrule is formed in a manner that a steel ferrule and an insulating ferrule are integrated through mechanical press-mounting or injection molding. According to the insulating bearing with the insulating ferrule and the manufacturing method of the insulating bearing with the insulating ferrule, the design and manufacture of the insulating ferrule are simple and easy, the insulating ferrule can be used for manufacturing insulating bearings of any type and shape, and the manufacturing cost is reduced; and meanwhile, the existing insulating coating is replaced with an insulator, so that the insulating reliability of the insulating bearing is greatly improved, the electrical erosion failure of the bearing can be effectively avoided, and then, the running reliability of the bearing is improved and the service life of the bearing is prolonged, thereby having practical engineering significance.
Owner:SHANGHAI F&S BEARING TECH
Laser processing system of brittle material base plate
ActiveCN106808090AImprove product qualityIncrease productivityLaser beam welding apparatusLaser processingIrradiation
The invention provides a laser processing system of a brittle material base plate. The system comprises a working table, a laser irradiation device, a moving mechanism and a control device, wherein the working table is used for carrying the brittle material base plate; the laser irradiation device is used for performing laser irradiation on the brittle material base plate according to the preset laser irradiation conditions; the moving mechanism is used for making the working table move according to a specific moving track; and the control device is used for forming a virtual part according to the preset parameters of a final to-be-formed part of the brittle material base plate, showing and storing the virtual part and controlling processing of the brittle material base plate according to the stored virtual part. By means of the laser processing system of the brittle material base plate, processing of two-dimensional or three-dimensional parts of the brittle material can be achieved, the production quality is high, and the positive effects of saving time and reducing error rate are achieved.
Owner:南京魔迪多维数码科技有限公司
Process for machining and manufacturing supporting ring
The invention relates to a process for machining and manufacturing a supporting ring, which is characterized in that the machining process steps are carried out according to the following sequence that: (A) firstly, a cut Q235 steel material is machined into an annular rough piece of the supporting ring through processes of hot pressing and stretching; (B) a workpiece is clamped on a lathe based on an inner hole and the end face of a small end; the end face of a large end is machined by the lathe till a lustrous band appears; and the height is between 60 and 70; (C) the outside diameter of the large end is machined; the diameter of the large end is machined between phi535 and phi545; (D) based on the outside diameter and the end face of the large end, the workpiece is clamped; the end face of the small end is machined into flatness; the height is between 55 and 65; (E) the inside diameter of the small end is machined to allow that the small end is transferred to a numerically controlled lathe after the inside diameter reaches between phi455 and phi 465; based on the outside diameter and the end face of the large end, the workpiece is clamped; the outer profile of the workpiece is machined; (F) based on the outside diameter of the large end and the end face of the small end, the workpiece is clamped; the inner profile of the workpiece is machined; and (G) burr in cusp is removed. Compared with the prior technical process, the process has the advantages of high product precision, attractive profile, light weight, durability, small material consumption and low machining cost.
Owner:SHANDONG BETTER WHEEL
Method for producing a pressure vessel and pressure vessel
ActiveUS8939314B1High product precisionReduce spendingGas handling applicationsLarge containersMarine engineeringPressure vessel
A vehicle pressure vessel and manufacturing method which uses a vessel main part, an arched base, an arched cover, and one or more cross-webs connecting opposite walls of the vessel main part. The vessel main part is open at its top and bottom over which the cover and base respectively fit to close the vessel main part in a pressure-tight manner. A groove is embossed in the cross-webs where they connect to the opposite walls of the vessel main part. The cover and base each have an attachment rim that fits into the grooves when the cover and base are connected to the vessel main part.
Owner:PROGRESS WERK OBERKIRCH
Rapid forming method of thermoplastic fiber-reinforced composite material plate
InactiveCN107214980AResolutionResolution cycleLaminationLamination apparatusTemperature controlSheet film
The invention relates to a rapid forming method of a thermoplastic fiber-reinforced composite material plate. The rapid forming method is characterized by comprising the following steps that (1) forming equipment and materials are prepared, specifically, the special equipment with presoaking, laying, superimposing, temperature control and pressure control, vacuum lamination forming, cutting, heating and mould pressing forming structures is arranged, a resin solution with a thermoplastic-forming function and the fiber-reinforced materials are prepared; (2) the fiber-reinforced materials are soaked into the resin solution with the thermoplastic-forming function, and fiber glue pieces are prepared; (3) the fiber glue pieces obtained in the step (2) are superimposed by 1-5 layers, the superimposed fiber glue pieces are placed in a vacuum press with a programmable temperature control and pressure control function, and a thermoplastic fiber-reinforced laminated composite material is prepared; (4) a mould plate is cut; (5) the mould plate is heated and softened; (6) mould pressing forming is conducted; and (7) the finished product is prepared. The rapid forming method of the thermoplastic fiber-reinforced composite material plate has the characteristics and beneficial effects of high mechanization degree, short processing period, high efficiency, low product cost and the like.
Owner:东莞市海旭新材料技术有限公司
Intelligent material plasticizing single-line production device
The invention discloses an intelligent material plasticizing single-line production device. The intelligent material plasticizing single-line production device comprises an extrusion forming machine, a cooling mechanism, a discharging traction mechanism and a cutting mechanism. The extrusion forming machine enables plastic particles to enter an extrusion cavity from a hopper to be subject to heating melting and be uniformly stirred through the real-time control over a motor and a heating piece by a controller, and finally the plastic particles are extruded out of a discharging opening of a die head; and an extruded product is linearly pulled to penetrate a cooling groove of the cooling mechanism under the effect of the discharging traction mechanism, the product is subject to cooling shaping, and the product obtained after cooling shaping is cut into the product of the needed length through a cutting mechanism. When the intelligent material plasticizing single-line production device is used, the production process of the product is simple in working procedure, the production efficiency is greatly improved, and due to the fact that the production process of the whole product is controlled and coordinated in real time through the controller, the automation degree and the product precision are greatly improved, the cost is saved, and the production efficiency of the product is improved. Meanwhile, the produced product is uniform in color, the single-color effect of the product is good, and the appearance is attractive.
Owner:杜崇铭
Multifunctional continuous die
InactiveCN105215134AImprove work efficiencyHigh product precisionShaping toolsPunchingIndustrial engineering
The invention relates to a multifunctional continuous die. The multifunctional continuous die comprises an upper die plate, a convex die and a lower die plate and is characterized in that a convex die fixing plate and a pressing plate are fixed to the upper die plate, the convex die is pressed into the convex die fixing plate, a spring is arranged between the convex die fixing plate and the pressing plate, a guide pin is arranged in the pressing plate, a concave die and a guide plate are fixed to the lower die plate, and the concave die is provided with a side edge, a step pitch locating block, a floating pin, an initial locating pin and a punching, flanging and blanking cavity. According to the invention, general equipment is adopted for production, so that the investment cost of the equipment is greatly lowered and the utilization rate of the equipment is increased, and the work efficiency and the product accuracy can be greatly improved.
Owner:王金鹤
Design method of heavy hammer piece progressive die
The invention discloses a design method of a heavy hammer piece progressive die. The progressive die is designed through single-row nine process steps, that is, process hole punching, guiding, edge cutting, groove punching, punching of three round holes, vacancy, burr punching, stamping, and shape forming. Working parts adopt quick-replacing-type splicing-inlaying structures, and machining, adjusting and replacing of inserts are facilitated. The part yield is large, the die precision is high, and thus in order to prevent deformation of the die in the using process, upper and lower die seat plates of the die both adopt 45 steel for thermal refining; a concave die plate adopts Cr12moV die steel, and the quenching hardness reaches 56-60 HRC; other punch fixing plates, unloading plates and thecushion plates all adopt CrWMn die steel, and the quenching hardness reaches 56-58 HRC; and punches and the concave die inserts adopt imported die steel DC53 with abrasion resistance and good toughness, and the quenching hardness reaches 60-63 HRC. The design method has the advantages that great economic value is created, the product precision is improved, the production efficiency is improved, and improvement of the quality of terminal products is guaranteed.
Owner:赵富祥
High-straight-edge splint-type bending correction mould
ActiveCN102189178AImprove work efficiencyHigh product precisionShaping toolsEngineeringCorrection method
The invention relates to a high-straight-edge splint-type bending correction mould which comprises an upper template and a lower template; a male mould, a tapered wedge and a limit block are fixed on the upper template; a pin shaft and a female mould are arranged on the lower template; an open and close splint is arranged on the pin shaft; and one side of the female mould is provided with a fixedsplint which is fixed on the lower template. According to the bending correction mould disclosed by the invention, the working efficiency and precision can be improved; the investment cost of equipment is reduced; the utilization rate of the equipment is improved; and the mould is tightly locked with the splint through the tapered wedge so that the plastic deformation of materials can be restrained, and a workpiece is fetched and placed conveniently; a bottom touching correction method is adopted so that the workpiece has stable angle and flat bottom.
Owner:QINGDAO HOSEN HEAVY IND
Dense PCB (printed circuit board) circuit and manufacturing method
InactiveCN106851998ASolve the bonding problemAvoid the phenomenon of open gapConductive material chemical/electrolytical removalEngineeringPrinted circuit board
The invention discloses a dense PCB (printed circuit board) circuit and a manufacturing method. The manufacturing method comprises the following steps of A, performing micro-etching treatment on an inner layer of a PCB, and roughening the PCB; B, pressing and drying a film on the PCB; C, standing for a period of time, and exposing; sequentially developing and etching. The manufacturing method has the advantages that the surface of the PCB is roughened, so as to solve the problem of bonding force of the dry film, avoid the open-loop notch, and improve the product quality and precision of a product.
Owner:SHENZHEN KINWONG ELECTRONICS
Production process of ceramic cover plate
The present invention discloses a production process of a ceramic cover plate, comprising the following steps of weighing: weighing solid materials respectively according to a ratio; ball milling: mixing well the solid materials, and ball-milling; mixing: mixing the ball-milled mixed power and an organic solvent according to a weight ratio of 1:(1-3) to obtain a slurry; forming: injecting the slurry respectively into a ceramic cover plate mold and a ceramic base mold, and forming to obtain a ceramic cover plate blank and a ceramic base blank; assembling: after covering the ceramic base blank with a layer of anti-adhesion powder, and assembling the ceramic cover plate blank and the ceramic base blank; sintering: placing the assembled ceramic cover plate blank and ceramic base blank in a sintering furnace, sintering at 1300-1600 DEG C for 5-20 hours to obtain the ceramic cover plate and a ceramic base; and deburring the ceramic cover plate to obtain a product. By using the production process, the product rarely deforms during sintering, product yield is increased, production cost is reduced, and product dimensional accuracy is improved.
Owner:FOSHAN HUAZHI ADVANCED MATERIALS CO LTD
Flexible passivating processing method for superhard cutting tool and flexible passivating processing device thereof
InactiveCN102658507BRealize flexible passivation treatmentTroubleshooting issues with passivationOther manufacturing equipments/toolsWater basedImpeller
Owner:XIAMEN TUNGSTEN
Method and device for producing a lens wafer
ActiveUS20150290888A1High product precisionAccurate detectionOptical articlesAuxillary shaping apparatusOptoelectronics
Owner:EV GRP
Method for separating passive microwave remote sensing mixed pixel component soil radiation signals
ActiveCN111983333AImprove processing depthImprove applicabilityRadiation pyrometryMaterial analysis using microwave meansEdaphicAtmospheric sciences
The invention relates to the field of microwave remote sensing, and discloses a method for separating passive microwave remote sensing mixed pixel component soil radiation signals. The method comprises the following steps: establishing a mixed pixel multi-angle microwave radiation model by using a microwave radiation transmission model; calculating parameters in the mixed pixel multi-angle microwave radiation model by utilizing vegetation indexes; acquiring the relationship between the soil microwave remote sensing radiation signals at different observation angles by utilizing a bare soil surface emission theoretical model; and resolving the mixed pixel multi-angle microwave radiation model to obtain the microwave emissivity of vegetation-covered soil in the mixed pixels and the microwaveemissivity of bare soil. According to the invention, passive microwave remote sensing multi-angle observation information is fully mined; the microwave remote sensing radiation signals of the mixed pixels are separated, the microwave emissivity of the vegetation covered soil and the emissivity of the bare soil in the mixed pixels are obtained, and the passive microwave remote sensing data processing depth, the surface parameter inversion product applicability and the product precision are improved.
Owner:自然资源部国土卫星遥感应用中心
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