299results about How to "Improve quality performance" patented technology

A method for managing a logical volume for minimizing a size of metadata and supporting dynamic online resizing, computer-readable recoding medium storing a program or data structure for embodying the method are disclosed. The method for managing a logical volume in order to support dynamic online resizing and minimizing a size of metadata, said method comprising steps of: a) creating a logical volume by rounding up disk partitions in response to a request of constructing the logical volume on a physical storage space; b) generating metadata including information of the logical volume and the disk partitions participating to the logical volume and storing it to the disk partitions participating to the logical volume; c) dynamically resizing the logical volume in response to a request of resizing, and modifying the metadata on the disk partitions participating to the logical volume; and d) calculating and returning a physical address corresponding to a logical address of the logical volume by using mapping information of the metadata containing information of the physical address corresponding to the logical address.

An “adaptive audio playback controller” operates by decoding and reading received packets of an audio signal into a signal buffer. Samples of the decoded audio signal are then played out of the signal buffer according to the needs of a player device. Jitter control and packet loss concealment are accomplished by continuously analyzing buffer content in real-time, and determining whether to provide unmodified playback from the buffer contents, whether to compress buffer content, stretch buffer content, or whether to provide for packet loss concealment for overly delayed or lost packets as a function of buffer content. Further, the adaptive audio playback controller also determines where to stretch or compress particular frames or signal segments in the signal buffer, and how much to stretch or compress such segments in order to optimize perceived playback quality.

There is provided a filter circuit for producing a noise reduction signal for reducing a noise signal collected by a microphone, including: a digital section including an analog/digital conversion section configured to convert the noise signal into a digital noise signal, a digital filter section configured to produce a digital noise reduction signal based on the digital noise signal, and a digital/analog conversion section configured to convert the digital noise reduction signal into an analog noise reduction signal; an analog path connected in parallel to said digital section and configured to output the noise signal as it is or after processed by an analog filter; and a synthesis section configured to synthesize the analog noise reduction signal outputted from said digital/analog conversion section of said digital section and the analog signal outputted from said analog path to produce a noise reduction signal to be used for noise reduction.

The invention discloses an image super-resolution reconstruction method based on sparse representation and deep learning, and solves the problems that the image super-resolution process is complex incalculation and the quality of a reconstructed image is poor. The method comprises the following implementation steps: collecting and extracting training data blocks and a chromaticity and brightnessdictionary for combined optimization training; independently reconstructing a high-resolution image block; Carrying out high-resolution image reconstruction of sparse representation; Training a residual error network based on deep learning to optimize high-frequency details; Image super-resolution reconstruction. In order to prevent an edge effect and a fuzzy effect, chroma and brightness data aredistinguished and independently reconstructed; in order to optimize high-frequency detail information of a sparse representation output high-resolution image, the high-resolution image based on sparse representation reconstruction is input into a residual network, and a high-frequency residual image is output through four times of convolution feature extraction and feature fusion and input bitwise addition to reconstruct a super-resolution image. The method is low in calculation complexity, high in image reconstruction quality and widely applied to the fields of remote sensing monitoring, criminal investigation, traffic management and the like.

The invention relates to a gas shielded welding method and device of a narrow gap or a super-narrow gap impulse jet current consumable electrode controlled by electromagnetic of the heavy section part with middle and high strength. The invention uses a magnetic coil (3) to provide excitation current processed by an excitation source, which can generate an extra magnetic field. Under the conditions of narrow gap or super-narrow gap, high feed rate, fused drop spray transfer and impulse welding current, the process of the gas shielded welding of the rotating jet current consumable electrode with high-melting frequency pulse that is controlled by the electromagnetic for the heavy section part with middle and high strength can be realized. The device of the invention comprises the excitation source, excitation equipment, auxiliary equipment and a water cooling system. The excitation equipment is the magnetic coil (3) with or without a conducting core (5). The excitation equipment is fixed on a welding burner (6), which is positioned above a work piece (9). The excitation current provided by the excitation source (10) produces stationary or time-varying electromagnetic mixing magnetic field that has the combination control over the processes of arc welding, wire burn-off, drop transfer, melting bath flow and welding line coagulation, which finally forms the welding line of good quality.

The invention belongs to the technical field of image and video processing, and particularly discloses a high dynamic range image compression method based on a mixed tone mapping algorithm. According to the high dynamic range image compression method, the problem about image distorsion when a high dynamic image displays on general display equipment is mainly solved. The high dynamic range image compression method comprises the following steps: firstly, using global linear compression based on image types to save the integral effect of the image; secondly, further enhancing the naturalness of the image by using an adaptive avoiding and value burning technology; finally, improving the visibility of image detailed information by using a local tone mapping algorithm based on a dual-side filter. According to the high dynamic range image compression method disclosed by the invention, a natural distinct low dynamic image result can be obtained; the high dynamic range image compression method can be widely applied to relevant fields of image and video processing.

Disclosed is a material deposition system for depositing material onto a surface of a substrate. The system includes a first body element with an interior cavity and an exit aperture extending through the first body element, and a second body element having an interior cavity and an exit aperture extending through the second body element. The interior cavity of the second body element contains the material, and the exit aperture of the second body element is spacially separated from and in fluid communication with the exit aperture of the first body element. The first body element and the second body element are rotatable, such that the exit apertures of the first body element and the second body element can be aligned and misaligned. A material deposition system with novel aperture spacing and separation and methods of coating a substrate and thermally processing a deposition material are also disclosed.

The invention relates to a mineral admixture concrete. Mineral admixtures are used as concrete cementitous materials, common concrete and a complex of gypsum and sodium sulfate are added and used as activity excitants so as to coordinate the combined action of naphthalenesulfonate formaldehyde condensate and a crude anthracene sulfonate superplasticizer, and the high-efficiency concrete is prepared. Compared with the prior art, the excitants in the invention has the advantages that early excitation effect is good, mixing amount is less, the early or later strength and durance of the concrete can be greatly improved, the concrete dosage is reduced by 5-20% under the condition of maintaining the strength and workability of the concrete not to be changed, and the gypsum and sodium sylfate are both industrial byproducts with low costs. In the invention, concrete plaster is mixed in advance by using a secondary feeding method, residual materials are added in the mixed concrete plaster, and the strength of the concrete is improved while reducing the abrasion of coarse aggregates on equipment. The concrete has the advantages of good workability and less bleeding, is convenient for construction, and can be applied to large-volume concrete engineering, underground engineering, seaport engineering and the like.

The invention provides a video processing system and method. The video processing system comprises a video saving module, a scene pre-distinguishing module, a video feature analyzing module, an intelligent matching module and a function module, wherein the video saving module is used for saving a video to be processed or an already-processed video; the scene pre-distinguishing module acquires the video to be processed from the video saving module, and distinguishes a scene according to front and back correlation in the video to be processed; the video feature analyzing module generates feature parameter information of each video segment according to scene information; the intelligent matching module matches the feature parameter information of each video segment with a preset processing mode; the function module invokes relevant functions and processes each video segment according to a matching result of the intelligent matching module. The video processing system and method have the advantages that the requirements that a processing standard is unified, the quality effect of an image is improved and the effect satisfies audiences are met, the processing efficiency is improved, and the labor cost is reduced.

A continuous quenching line for large-diameter tube and bar materials is provided. Along the moving direction of tube and bar materials, a V-shaped inclined roll transmission continuous heating furnace is connected to an end of an automatic material charging machine; a multifunctional quenching machine is connected to an end of the V-shaped inclined roll transmission continuous heating furnace; the multifunctional quenching machine is connected to an automatic material discharging machine; a water collecting pool is disposed at the lower part of the multifunctional quenching machine; an automatic control system controls the devices from the automatic material charging machine to the automatic material discharging machine; continuous horizontal heat processing of alloy steel, stainless steel, light alloy bar and tube materials with a diameter of 100-800 mm and a length of above 2000 mm (a wall thickness of below 100 mm) can be performed. During the heating and quenching processes, the material both moves forward and performs self-rotation, does not bend or deform, is heated and quenched uniformly, and has a deep quenched layer, and the invention has the functions of performing quenching, solid solution treatment, normalization processing, annealing processing and the like of alloy tool steel tube and bar materials, alloy structure steel tube and bar materials, heat resistant steel tube and bar materials, various stainless steel tube and bar materials, aluminium alloy tube and bar materials, and the like.

The invention relates to a construction technology of a viaduct reinforced concrete pier stud with a capping beam or irregular Y-shaped reinforced concrete pier stud. A reinforced concrete pier stud with a capping beam or irregular Y-shaped reinforced concrete pier stud once-forming construction method provided by the invention comprises the steps of designing a template, setting up scaffolds, binding a capping beam and reinforcing steel bars, installing the template and casting concrete, wherein, the step of designing the template is that a lower straight pier stud steel mould and an upper capping beam steel mould are designed as being capable of being assembled at a time; when the template is installed, a linear portion and the capping beam template are all installed piece by piece; the linear portion is installed in right angle; two lengthways lateral moulds of the capping beam template are installed, and then two transverse lateral circular arc bottom moulds and head end templates are installed. The method adopts the once-forming of a pier stud and a capping beam, thereby ensuring that the appearance quality effect of a product is improved greatly, the pier stud and the capping beam are integrated as a whole; and the method takes certain effect on beautifying the environment. The method can save labor and materials for repairing joints during the constructing process and changes the common fault of color difference caused by twice casting.

A resonance locking system for a pico-projector, the system comprising a resonance frequency sensor operative for sensing change in resonance frequency of a miniature mechanical device (10) including a moving mirror assembly having a driving frequency, by comparing a current resonance frequency to a reference; and a feedback loop changing at least one aspect of use of the miniature moving mirror assembly responsive to a current value of the resonance frequency measured by the sensor.

The invention discloses a novel lead storage battery automatic flame welding machine, which comprises a work table, a driving chain wheel, a driven chain wheel, a chain and a speed reducer, wherein the driving chain wheel and the driven chain wheel are respectively arranged at two ends of the work table, the chain is engaged with the driving chain wheel and the driven chain wheel, a rotating shaft of the speed reducer is fixedly connected with the driving chain wheel, the speed reducer drives the driving chain wheel to rotate, a plurality of welding clamps are fixedly arranged on the chain, a sealing cover is arranged on the work table, at least one X-axis single-arm mechanical hand is arranged in the sealing cover, a corresponding Z-axis air cylinder and a welding assembly are arranged on the corresponding X-axis single-arm mechanical hand, a welding gun of the welding assembly is vertically positioned above a corresponding clamp clamping device, and an automatic ignition device and an automatic detecting device are arranged on the welding gun. The novel lead storage battery automatic flame welding machine has the advantages that the welding is carried out in a sealed work space, harmful gas generated in the welding process is pumped out by a factory negative pressure system and is purified by dust removal equipment to be exhausted, and in addition, the welding of the automatic flame welding machine is firm and stable.

A heteroepitaxy strain-management structure for a light emitting device includes: a substrate or template; an epitaxial layer to be epitaxially formed over the substrate or template, wherein a calculated in-plane compressive strain to be exerted by the substrate or template to the epitaxial layer is equal to or larger than 1%; and a heavily doped interlayer inserted in-between the epitaxial layer and the substrate or template; wherein the heavily doped interlayer is of substantially the same material composition as that of the epitaxial layer, with a thickness of 40-400 nm, and doped at a doping level in the range of 5×10¹⁹ to 5×10²⁰ cm⁻³. Also provided is an ultraviolet light emitting device having a heteroepitaxy strain-management structure.

The invention discloses dual composite lithium-based lubricating grease and a preparation method thereof. According to the technical scheme, the dual composite lithium-based lubricating grease is prepared from the following raw materials in parts by weight: 24-36 parts of base oil, 5-7 parts of 12-hydroxystearic acid, 3-5 parts of stearic acid, 2-3 parts of lithium hydroxide, 0.2-0.4 part of calcium hydroxide, 0.4-0.6 part of boric acid, 0.5-1.5 parts of azelaic acid, 0.5-1.5 parts of phosphodiester, 1-1.4 parts of polybutylene terephthalate and 1.9-2 parts of additive. Functional groups in lithium-based lubricating grease molecules are sufficiently utilized, and a composite structure is added in each molecule when a composite structure is preserved, so that the quality of the composite lithium-based lubricating grease is improved, meanwhile, the soap component of the lithium-based lubricating grease is reduced, and the production cost is reduced.

The invention discloses a signboard manufacturing technology. The technology is characterized in that a signboard is manufactured through the procedures of signboard body surface treatment, etching, anti-corrosion treatment, primer spraying, polishing, finish spraying, paint drying, printing, drying, varnish spraying, inspection, packaging and the like. A signboard body is subjected to anti-corrosion treatment so that the corrosion speed of the signboard body can be reduced, the quality property of the signboard body is improved, and the service life of the signboard is prolonged; the signboard body is coated with primer and finish, and then silk-screen printing is conducted after finish spraying is completed so that the definition of an identification message on the signboard body can be improved, the identification message can be prevented from falling off from the signboard body, and the quality property of the signboard is further improved; the identification message is coated with varnish, so the stability of the identification message on the signboard is improved, the quality property of the signboard is enhanced and the service life of the signboard is prolonged; meanwhile, the manufacturing technology also has the advantages of being convenient to use during manufacturing, high in manufacturing efficiency and the like.

A machine for printing on or otherwise decorating hollow bodies. It comprises a rotationally driven decoration application drum, which peripherally is provided with decoration faces, which are able to be moved along a first orbit. On an adjacent capstan plate receiving capstans are arranged for capstan units for carrying hollow bodies. On rotation of the capstan plate the radially inwardly facing sections of the hollow bodies proceed along a second orbit. Pitman units serve to so correct the second orbit on passage through a decoration zone that it coincides with the first orbit.

The invention discloses calming herbal tea. The calming herbal tea comprises a major ingredient, wherein the major ingredient is prepared from the following components in parts by weight (metered by mass of the major ingredient in a raw material state): 40-80 parts of coix seeds, 10-50 parts of hawthorns, 30-70 parts of lophatherum gracile, 5-15 parts of liquorice, 40-80 parts of red beans, 40-80 parts of malt and 10-30 parts of endothelium corneum gigeriae galli. The calming herbal tea disclosed by the invention is prepared form natural raw materials, is gentle in taste, has good effects of clearing away heat and toxic materials, calming and soothing the nerves and improving sleeping; meanwhile, the calming herbal tea disclosed by the invention can be used for effectively improving infant digestive function, eliminating fervor of milk powder and treating disturbed sleep at night and susceptibility to oral ulcers, is low in doping amount of auxiliary materials and can avoid influence on child health due to excessive intake.