640 results about "Change Type" patented technology

The invention discloses a method for monitoring goods in real time in logistics management. The monitoring method comprises the following steps of: constructing a spatial-temporal data model by using an object-oriented thought, defining each object in the logistics management, establishing a data table, introducing an event mechanism, defining a data table and change information of changes caused by each event, combining the changes of related information in the data table in a specified time domain into a set, representing the change of the spatial information of the goods through the set, simultaneously grouping the goods according to the attribute information change types of the goods, performing management by using groups as units, finally defining the chain relation among the events, establishing a data integrity control table by using the events as a core, and completing update of the spatial information according to the table so as to realize real-time monitoring of the goods. The method has the operation flows that the information of the warehoused goods is recorded through a RFID (Radio-Frequency Identification) label and bound with a vehicle ID (Identity) when the goods are delivered, and the spatial information of the outgoing goods can be acquired by positioning a vehicle through a GPS (Global Positioning System) positioner so that update of the spatial information of the goods is realized.

The invention discloses a method and a system for dynamically updating geographic space data based on a remote sensing image. The method comprises the steps of preprocessing an image, identifying change information, performing filtering to eliminate noise, extracting the boundary of a changed area, generating a vector boundary diagram of an image change feature, regularizing the boundary of the feature, segmenting update data based on the principle of quad-tree spatial index to locate the changed area quickly, identifying the change type of elements based on a neural decision tree method, extracting the change type, and updating and storing the change information in an original database. According to the invention, a simple, quick and accurate change detection method is obtained. By adoption of the quad-tree grid partition mode, the speed and precision of retrieval are improved. The boundary of the changed area extracted by an IGAC-based extraction method is more accurate.

A quick change type bit holder for use in a bit assembly for road milling, road planing, trenching and mining equipment wherein a bit shank extends completely through an axially oriented bit holder bore includes a slotted shank having an outwardly tapered bit holder bore wherein insertion of the bit shank in a bit block acts to slightly collapse the shank which collapses the tapered bore to a generally cylindrical configuration that preferably snugly retains the bit shank rotatably therein.

A resistance change memory device includes: a memory chip having memory cells of a resistance change type; and a heater so attached to the memory chip as to apply a temperature bias to the memory chip.

The invention provides a sidelight type backlight source module which comprises a light source bracket with a back plate and a rubber frame, LED (Light-Emitting Diode) lamp strips with a plurality of LED light sources, a printed circuit board, a reflecting film, a light guide plate, a brightening film and a scattering film. The light guide plate comprises a light incident bottom surface and a light emergent top surface which is opposite to the light incident bottom surface; scattering lattice points are arranged on the light incident bottom surface of the light guide plate; a gradual change type arrangement way in which the arrangement density degree is determined according to the distances from the scattering lattice points to the LED light sources is adopted for the scattering lattice points; and the arrangement density gradually increases along with the increase of the distances from the scattering lattice points to the LED light sources by regarding the LED lamp strips as boundaries. Compared with the prior art, the sidelight type backlight source module disclosed by the invention provides a backlight source by placing the LED strips at the two sides or single side and changes emergent light brightness at each special position of the light guide plate by setting the non-uniformly distributed scattering lattice points, so that light reinforcement is realized at corresponding position of the light guide plate, which is far away from the LED light sources, and thus ideal light brightness and light emergent uniformity are obtained through the light guide plate.

A quick change type bit/bit holder includes several different structures for holding the item in a bit block without the necessity of a fastener. The bit portion of the bit/bit holder combination includes a ductile steel insert with a polycrystalline diamond coated tungsten carbide bit positioned therein. The ductility of the steel insert acts as a shock absorber to allow the bit to successfully remove concrete as well as asphalt in a road milling machine.

The invention is a manufacturing method for quanta point microsphere used as biomedicine fluorescence probe. It belongs to chemical engineering, material and biomedicine field. The invention uses spray and drying method to embeds the quanta point into high molecular material, forms quanta microsphere with particle distribution less than 10 micrometers, the quanta point nanometer particle with different quantity and different fluorescence character is dispersed in the high molecular liquid, then carries on spray and drying, it changes the fluorescence character of the microsphere through changing type of quanta point material, quantity of the quanta point and the color and intensity of the quanta point, controls the particle size and figure of the quanta microsphere through adjusting the condition of spray and drying.

The invention discloses an objective evaluation method of no-reference video quality weighted by key frame image quality. The method comprises the steps of: firstly, preliminarily selecting a key frame according to a movement intensity method weighed by a human eye interest, then dividing the preliminarily selected key frame into a scene switching type key frame and a non-scene switching type key frame by correlation analysis; evaluating image quality of the non-scene switching type key frame, subdividing the non-scene switching type key frame into a content change type key frame and a quality change type key frame according to an evaluation result; finally carrying out weighted summation calculation on single frame quality by using a duration factor and a deterioration frequency factor of the quality change type key frame, and obtaining the quality evaluation result of an entire video sequence. According to the objective evaluation method, the defect that then existing evaluating technology cannot be coincided with an actual subjective feeling; computation complexity can be reduced on the premise of ensuring the evaluating performance; the objective evaluation method is suitable for automatic evaluation of various video applications of an existing network, simple in operating steps and easy to integrate.

A plurality of differing horizontal pairs of slot shapes are positioned in the upper body portion of a quick change type bit holder to provide access to a bit extractor tool for removing the bit holder from its associated bit block.

The invention discloses a variable weight type random scheduling method based on real-time working conditions; the scheduling method optimizes the problem of the dynamic random rescheduling in terms of classification of various perturbation, rescheduling driving mechanism, the construction of rescheduling majorized set, the selection rule of the workpieces to be processed and rescheduling optimization algorithm, classifies various perturbation in the production process into two classes of invisible perturbation and dominant perturbation, adopts corresponding rescheduling driving mechanisms according to different types of perturbation, thus quickly and effectively dealing with various uncertain problems which randomly occur in the production process; the scheduling method is suitable for the mode with a plurality of varieties and single-piece small lot production, can rapidly and effectively handle the various uncertain problems which randomly occur in the production scheduling process and has strong coupling capacity with the real-time working conditions, thus being capable of improving the self-adaptability of a workshop production system to the uncertain working conditions and the agility of production scheduling, reducing unnecessary rescheduling, enhancing reaction capacity to the working conditions and lowering the loss of the production system brought by the various uncertain problems.

The invention provides a Python code change reminding method based on abstract syntax tree node change extraction. The method comprises the following steps of: (1) obtaining source code of different-version programs of the same software; (2) generating abstract syntax trees corresponding to two versions of source programs; (3) matching the abstract syntax trees to obtain a change node, and combining change node context information to mark the node change type; (4) gathering change tuples into transactions to construct a training set; (5) mining the association relationship in the change tuples by using a data mining technology; and (6) reminding a developer of possibly occurring change positions and possible change types in the according to the programs mined association relationship. The Python code change reminding method solves the problems that in the prior art, the possible code change type cannot be reminded due to the lack of software evolution analysis aiming at the python language, and the like. The management of the software life cycle is further guided, and the software evolution controllability is improved, so that the quality of a software product can be well controlled.

The invention discloses a method for detecting remote sensing image change based on non-parametric density estimation, which mainly solves the problem that the estimation to the statistic items which relevant to a change type and a non-change type in a differential chart in the prior art has error. The realizing process of the method is that inputting two remote sensing images with different time-phase, removing noise of each channel of each image, obtaining noise-removing images of the two time-phase, and constructing difference images through adopting the change time-vector method, gathering the difference images into change type and a non-change type through applying K-means clustering algorism, obtaining the initial sorting results, and estimating the statistic items relevant to the change type and the non-change type in differential images through adopting non-parameter density estimation, carrying out the self-adapting space restriction combining the variable weight markov random field model, and obtaining the final change detecting results. The experimentation shows that the invention can effectively keeps the structure information of the images, removes insulation noise, improves the change detection processing efficiency, and can be used for the fields of disaster surveillance, land utilization and agriculture investigation.

The invention discloses a solar selective absorption coating comprising a bonding layer, an infrared reflection layer, a diffusion stopping layer, an absorption layer and an antireflection layer, wherein the absorption layer is formed by at least two layers of metal ceramic absorption layers; the at least two layers of metal ceramic absorption layers are composite material thin films formed by doping metal atoms in ceramic; the middle metal volume content in a film layer is the highest and the metal volume content is gradually reduced from middle to two boundary directions; and the metal volume content between the adjacent two metal ceramic absorption layers with different average metal volume contents has an obvious interface. Compared with gradually-changed type and interference type solar selective absorption coatings, the metal volumes of the absorption layers are gradually changed and have the characteristic that the gradually-changed type solar selective absorption coating can easily absorb a solar spectrum; and meanwhile, the obvious interface exists between the absorption layers, the absorption layers have phase interference of lights, and the sunlight absorption is increased.

The invention provides a graphene and rare earth up-conversion fluorescent composite material and a preparation method thereof. The method comprises the steps of: using a graphite powder as a raw material to prepare graphite oxide by a Hummer method; conducting ultrasonic dispersion on 5-85mg of graphite oxide into 24-60mL of water; then adding Y (NO3), Yb (NO3) and Er (NO3) in a total molar weight of 0.05-1mmol by a stoichiometric ration of 78:20:2 into the graphite oxide dispersion; adding 0.02-0.5g of NaF and stirring for 5-10min; transferring the mixture to a 100mL reactor; reacting for 4-24h at 200-240 DEG C; naturally cooling to room temperature; centrifuging for separation and washing the reaction product with deionized water twice to obtain a graphene and yttrium fluoride up-conversion fluorescent powder composite material, which comprises a mixture of two or three selected from the followings: graphene-YF3:Yb, Er; graphene-(alpha) NaYF4:Yb, Er; and graphene-(beta) NaYF4:Yb, Er. The method provided by the invention is simple, employs non-toxic raw materials, and can change type of the earth up-conversion fluorescent material and up-conversion fluorescence properties of a final composite material by simply adjusting conditions of a hydrothermal reaction.