63results about How to "Convergent" patented technology

The invention provides a compressed sensing spectrum detecting method under the blind sparse condition. The aim of spectrum detecting under the condition that the sparseness is unknown is achieved. The compressed sensing spectrum detecting method under the blind sparse condition includes the steps of (1) conducting optimization iteration solving on a built mathematic model (please see the specifications for the formula), (2) conducting simplification to obtain convex optimization problem of reconstitution signals, (3) obtaining an element with the maximum correlation, merging the element with a support set of last-time iteration, and obtaining a new support set, (4) obtaining a residual error, (5) obtaining a contribution value and outputting spectrum detecting results (please see the specifications for the formula) and the like. The mode is applied to the compressed sensing spectrum detecting method.

The invention provides a serious barrel distortion image correction method based on a nonlinearity inverse mapping principle. The correction method includes the steps: firstly, confirming the basic correction relation of a barrel distortion image; further, solving the barrel distortion correction relation based on the nonlinearity inverse mapping principle; calculating the polar radius, corresponding to the polar radius in the barrel distortion image, of each pixel in a restore image point-by-point; then mapping the barrel distortion image and the restore image from a polar coordinate system to a standard coordinate system; and giving pixel grey values of the corresponding position of the barrel distortion image to the restore image. Therefore, correction is accomplished. By means of the serious barrel distortion image correction method based on the nonlinearity inverse mapping principle, all cavities in a serious barrel distortion correction image are eliminated completely, the restored grey values at the cavity position can reflect the grey information of an original image correctly, therefore, the information of the restore image is integral and correct, and image quality is improved further.

The invention belongs to the field of design of aviation aircrafts, and relates to a method for designing a fixed-wing aircraft capable of vertically taking off and landing. The method for designing the aircraft is used for a mixed-mode aircraft and can be realized under current technical conditions, and vertical taking-off and landing are achieved on the basis of the fixed-wing aircraft. When the contradiction between vertical flight and wing-borne flight is handled with, design is conducted with the wing-borne flight as the main working point, higher cruise efficiency and higher cruise capacity are pursued to the larger extent under the current technical conditions, and the requirement for efficient long-time cruise is better met. When the contradiction between the vertical flight and the wing-borne flight is handled with, through coordinated optimization design of two working points, part of performance of the vertical flight is considered, the efficiency and other performance of the vertical flight is improved on the premise of satisfying the cruise performance index, and design failure caused by unreasonable performance of the vertical flight is avoided.

The invention provides a small size uncooled dual-field-of-view infrared optical system which comprises a first positive meniscus lens and a detector. A biconcave lens, a second positive meniscus lens, a negative meniscus lens and a third positive meniscus lens are sequentially arranged from the first positive meniscus lens to the detector along the optical axis; the first positive meniscus lens, the second positive meniscus lens and the third positive meniscus lens each have positive diopter, and the biconcave lens and the negative meniscus lens each have negative diopter. Both the curved surface S3 of the biconcave lens and the curved surface S7 of the negative meniscus lens are aspheric surfaces, and the aspheric surface S7 is further provided with a binary diffraction surface. The lenses of different types are reasonably arranged and the positive diopter and the negative diopter of the lenses are selected, so that the whole dual-field-of-view infrared optical system has a smaller size and a larger zooming ratio, has a larger zooming range under the switching conditions of a narrow field of view and a wide field of view, and is suitable for occasions with small size requirements for infrared optical systems.

The invention discloses an organic / inorganic composite heat insulation coating and a preparation method thereof and belongs to the technical field of chemical coatings. The coating includes, by weight, 18-42% of sodium silicate, 10-25% of an acrylic emulsion, 8-25% of hollow glass microbeads, and 5-20% of zinc oxide. The coating is improved in adhesion force, alkaline resistance, pollution resistance and flame-retarding property, and also improves the water resistance, elasticity and glossiness of a coating film. The sodium silicate is low in cost and has abundant sources, so that cost of thecoating is effectively reduced.

The present invention relates to a toxin-expelling, senility-resisting and life-nourishing health-care food with rich nutrients and several health-care functions of preventing cancers, adiposis, angiocurdiopathy and cerebrovascular disease and prolonging life, etc. Said health-care food is made up by using sweet potato powder, jujube paste, corn flour, soybean, water, mung bean powder, oat flour, millet flour, black rice, edible bone powder, ferrous gluconate, zinc gluconate, sodium selenite, vitamin A, vitamin B1, vitamin B2, vitamin B16, vitamin C, vitamin D and vitamin E through a certain preparation process.

The embodiment of the invention relates to the technical field of EPG, and discloses a control method for focus movements on an EPG user interface. The method comprises the following steps: displayingtelevision programs on a display screen; receiving a command for displaying the EPG user interface; in response to the command, displaying the EGP user interface on the display screen; receiving a command for indicating a focus to move in a channel arrangement direction in the EGP user interface; and in response to the command, determining a new location to which the focus moves in a target television channel according to the location of a preselected benchmark program, so that the focus is controlled to move to a target program corresponding to the new location. Therefore, the problem that the focus movements in a channel axis direction of the EPG user interface in the EPG user interface cannot be backtracked is solved, so that the focus location can move within a convergence range thatmeets user expectations.

The embodiment of the invention discloses a control method for focus movement on an EPG user interface and relates to the technical field of EPG. The method comprises the following steps: displaying television and broadcasting programs on a display screen; receiving an instruction of displaying the EPG user interface, responding to the instruction, and displaying the EPG user interface on the display screen; and receiving an instruction used for indicating a focus to move along a channel orientation in the EPG user interface, responding to the instruction, and determining a new position that the focus moves in a target television channel according to a pre-selected position of a standard broadcasting program, so as to control the focus to move to a target broadcasting program correspondingto the new position. Therefore, the problem that movement of the focus along the channel axis direction of the EPG user interface can not be recalled in the EPG user interface can be solved, and a focus position is guaranteed to move in a convergent range according with an expectation of a user.

The invention discloses a service location method and provides a semantic-oriented distributed service discovery system. The method comprises the following steps: dividing a main body graph into a plurality of CGs through a main body graph division algorithm by the distributed service discovery system, wherein each CG has similar concept semantics; converting semantic description information of the service into a CG sequence, that is to say, generating codes of a length-variable concept region combination sequence; forming a semantic P2P network with a structure by corresponding the nodes and the concept region sequence in the distributed service discovery system; achieving service location according to strategy of a prefix-based semantic route supporting the concept region sequence; and carrying out effective distributed storage and discovery of large-scale service described by a large-scale main body concept. The proposed scheme has high versatility, and can extend to description, management, location and discovery of universal resources on the network besides the discovery and management of semantic-based Web service.

The invention discloses a time reference real-time calibration method and system for an image collection platform, and the method is used in a mobile terminal. The method comprises the following steps: S1, obtaining a current image frame and N former image frames; S2, extracting first feature points in the current image frame so as to form a first feature point set, and extracting second feature points in a reference image frame so as to form a second feature point set; S3, carrying out the matching filtering of the first feature points in the first feature point set and the second feature points in the second feature point set, so as to obtain a first feature point pair set; S4, obtaining the mean overall displacement of the current image frame according to the first feature point pair set; S5, extracting gyroscopic data of a gyro sensor of the current image frame, and obtaining the posture overall displacement of the current image frame according to the gyroscopic data; S6, obtaining the time difference between a time stamp of a camera and a time stamp of the gyro sensor according to the Kalman filtering method, calibrating the time difference, and executing step S1.

The invention discloses an autonomous myoelectricity extraction method under the condition of random dynamic parameter electrical stimulation, which comprises the following steps of: shielding an electrical stimulation signal through a hardware circuit, performing empirical mode decomposition on the shielded signal xM+V (t) to obtain an intrinsic mode function set IMFm (t), splitting the intrinsicmode function set IMFm (t) by using a continuous window to obtain wIMFm, u (t), wherein m is an intrinsic mode function number, u is a window number, and the window length is about a current stimulation pulse period. Carrying out feature extraction for wIMFm, u (t). Carrying out threshold screening on the extracted feature to synthesize the required window, and taking the autonomous myoelectric signal after noise reduction. According to the invention, aiming at the defects of the prior stimulation noise removing technology, the influence of stimulus artifacts and the M wave is effectively removed through the combination of a hardware shielding and a software algorithm based on empirical mode decomposition.

The invention belongs to the technical field of unmanned aerial vehicle communication processing, and discloses a CR-based UAV communication network secondary link throughput optimization method, andthe method comprises the steps that: an unmanned aerial vehicle carries out the energy detection and local decision in a single micro-sensing radian; the unmanned aerial vehicle transmits the sensingresult of each micro-sensing radian to a fusion center; the fusion center makes a global decision on all sensing results by using OR criteria; a cognitive unmanned aerial vehicle network makes a dynamic spectrum access decision according to the sensing result of the fusion center; and the micro-sensing radian and the radian number are jointly optimized, so that the throughput of the unmanned aerial vehicle during normal work is optimal. Under the condition of serious channel fading, the UAV has better effects of guaranteeing quality of service (QoS) and improving UAV throughput by utilizing the method and the device. According to the method, the radian value of the circular motion flight angle of the unmanned aerial vehicle is taken as an object, and the spectrum sensing performance and the spectrum effect optimization scheme in the periodic motion process of the unmanned aerial vehicle are ingeniously analyzed.

The embodiment of the invention discloses a control method for focus movement on an EPG (Electronic Program Guide) user interface, and relates to the technical field of EPGs. The method comprises thefollowing steps: displaying a television broadcast program on a display screen; receiving an instruction for displaying the EPG user interface, and displaying the EPG user interface on the display screen in response to the instruction; and receiving an instruction for indicating the movement of a focus along a channel arrangement direction in the EPG user interface, responding to the instruction,and determining a new position that the focus moves in a target television channel according to the position of a pre-selected reference broadcast program to control the focus to move to a target broadcast program corresponding to the new position. Therefore, the problem that the focus in the EPG user interface cannot be backtracked along a channel axis direction of the EPG user interface can be solved, and the position of the focus is ensured to move within the convergence range that meets the user expectation.

The invention provides a method for predicting the residual fatigue life of a composite material containing initial delamination damage. According to the method, a modal frequency-residual fatigue life database is used for training an artificial intelligence algorithm, modal frequency is used as input, fatigue life is used as output, and a fatigue life prediction model of one-to-one mapping of frequency data and fatigue life data is constructed; and then the modal frequency of the to-be-measured sample is measured, and the measured frequency is input into the fatigue life prediction model to obtain the residual fatigue life of the composite material laminated plate. According to the method for predicting the residual fatigue life of the composite material containing the initial delamination damage, only vibration equipment needs to be adopted for collecting the frequency, then the fatigue life is predicted, and the method is easy and convenient to implement; online prediction can be carried out, the composite material is not damaged, the cost is low, and compared with other existing fatigue life prediction methods, operation is easy and convenient, and the prediction precision is good..

The invention discloses a neurodynamic method for solving a noise-containing time-varying problem. The method includes the following steps that: 1) the time-varying quadratic programming problem modelof an actual physical system is established; 2) optimal value optimization is performed on the time-varying quadratic programming problem model, partial derivative information about an optimal solution and Lagrangian multiplier are obtained; 3) the partial derivative information is transformed into a standard time-varying matrix form; 4) a deviation function is designed; and 5) a power type parameter-varying recursive neurodynamic method and four common activation functions are used to design a power type neurodynamic method of the noise-containing time-varying problem in the real-number field, and an obtained solution is the optimal solution of the time-varying quadratic programming problem. According to the neurodynamic method of the invention, on the basis of the parameter-varying recursive neurodynamic method, a global convergence characteristic is realized when the common monotonically increasing odd activation functions are adopted to solve the noise-containing time-varying problem, and error can converge to zero at a superexponential velocity, and therefore, calculation speed can be greatly improved.

A union power coordination method for sensing interference in a laminated cellular network comprises the following steps: Step 1, measuring the interference condition of a family user in a laminated cellular network, and sending the measured interference condition to a macro base station; Step 2, regulating the transmitting power of the macro base station according to the received family user; Step 3, sending the interference condition of a macro user to all family base stations in the laminated cellular network from the macro base station; Step 4, regulating the transmitting power of all the family base stations in the laminated cellular network according to the interference condition received by the macro user; Step 5, judging whether the transmitting power of the macro base station and the family base stations is astringed, if yes, the power coordination is completed, otherwise, performing the Step 1. The method can fully utilize the interference information of the network to perform power coordination so as to improve network interference and the performance of the network. The method can be applied to the interference coordination of multiple types of laminated cellular network scenes.

A lighting apparatus illuminates a plane (M) to be illuminated, with illuminating light projected from a light source (5). The lighting apparatus is provided with an entrance side reflection type fly's eye optical system (12) configured by arranging a plurality of reflection type partial optical systems in parallel; an outgoing side reflection type fly's eye optical system (14) configured by arranging a plurality of reflection type partial optical systems corresponding to each of the plurality of reflection type partial optical systems configuring the entrance side reflection type fly's eye optical system (12); and capacitor optical systems (18, 20) including two reflecting mirrors for guiding the illuminating light reflected by the outgoing side reflection type fly's eye optical system (14) to the plane (M). At least one of curvature centers of the two reflecting mirrors is optically decentered from a normal line at the center of a lighting area on the plane (M).

The invention relates to the technical field of tea processing, in particular relates to a method of creation of celery leaf tea. The status quo of the use of celery leaf as technology waste only is altered, and a new approach is provided for processing and utilization and value-added efficiency of celery leaves. By the method of creation of celery leaf tea, the celery leaves are subject to the process of withering, raw drying, and greening, the method of steam combined with microwave blanching is adopted, after rolling, tea leaf desiccation is conducted using medium and short wave infrared, by the subjecting to suitable brewing method, celery leaf semi-fermented tea is obtained. The produced celery leaf tea product is tight and strong, black in color, strong in aroma, light in brewing liquid color, fresh and high in taste, and has the health benefits of depressurization, lipid-lowering and anti-oxidation and the like.

The invention provides a three-dimensional space path planning method based on the movement property of an elastic rope, which comprises the steps of: initializing a retrieving environment and a parameter, computing the displacement of a point on the elastic rope due to the action of the elastic rope; computing the displacement of the point on the elastic rope due to the action of the elastic rope and a barrier; computing a position after movement; judging whether all points on the elastic rope move once, judging whether the elastic rope reaches a balance position and the like. The three-dimensional space path planning method based on the movement property of the elastic rope, provided by the invention, has the advantages of small operation quantity, high routing speed and simple environment expression relative to other path planning methods; only a normal direction that the surface of the barrier points to the outer part of the barrier is known; a space is not divided into the form of cells; and a found path has better smoothness and accuracy.

The invention relates to the technical field of food processing, in particular to a preparation method of special flavor dried dog meat. The preparation method of the special flavor dried dog meat comprises the following steps: (1) processing of dog meat; (2) sousing of the dog meat; (3) secondary sterilization of the dog meat; (4) preparation of a flavoring agent; and (5) preparation of the dried dog meat. The preparation method disclosed by the invention has the advantage of simple operation; the prepared dried dog meat is special in flavor, and has delicious taste of pepper; through the addition of lightyellow sophora root extracting solution, plum juice and liquorice root extracting solution, the dried dog meat has unique taste, is consistent with the public taste, and can efficiently meet market requirements; and the prepared flavored dog meat has the advantages of being glow and oleosus in color, delicious and attractive in flavor, crispy, fragrant , and moderate in sweet-sour and fresh spicy flavor, and can be broken when being eaten.

The invention relates to a micromolecular hyaluronic acid stock solution. The micromolecular hyaluronic acid stock solution comprises the following components in parts by weight: 8-10 parts of a skinconditioning agent, 3-5 parts of a skin repellent, 8-10 parts of a hydrating agent, 1.5-2.5 parts of an antioxidant, 0.05-0.15 part of a chelating agent and 70-80 parts of a solvent. The invention also discloses a preparation method of the micromolecular hyaluronic acid stock solution. The preparation method comprises the following steps of S1, cleaning equipment; S2, heating the solvent and the hydrating agent to 80-90 DEG C, and performing heat insulation; S3, performing vacuum homogenizing; S4, performing vacuum constant-temperature defoaming; S5, performing cooling to 45 DEG C, adding theskin conditioning agent, the skin repellent, the antioxidant and the chelating agent, and performing vacuum and uniform stirring; S6, performing cooling to 38 DEG C, performing half-part inspection, and discharging qualified products; and S7, performing filling to obtain finished products. The micromolecular hyaluronic acid stock solution disclosed by the invention has the advantages of being simple in technology, convenient to use, safe and reliable, and free from substances harmful to human bodies; and besides, natural extracts are massively used, so that using safety can be well guaranteed,damage to human bodies and skin can be reduced, and the micromolecular hyaluronic acid stock solution has the effects of regulating skin fat secretion, keeping moist and tenderizing and whitening skin.

The invention discloses a method and a device used for narrowing the memory erase unit threshold range. In the device, a weak erase comparison module determines whether thresholds of various memory units all lower than a weak erase comparison threshold; a pre-erase comparison module determines whether thresholds of various memory units all higher than a pre-erase comparison threshold; a weak erase operation module carries out weak erase upon areas of memory units with thresholds larger than the weak erase comparison threshold; an erase verification unit determines whether thresholds of various memory units all larger than an erase verification reference threshold; a weak writing operation module carries out a writing operation upon the memory units with thresholds smaller than that of the pre-erase comparison threshold unit; an erase operation module carries out erase upon various memory units, and determines whether the thresholds of erased memory units are larger than an over-erase reference threshold; if a threshold of an erased memory unit is smaller than the over-erase reference threshold, the threshold of the memory unit is corrected, such that the corrected threshold of the memory unit is larger than the over-erase reference threshold.

The embodiment of the invention provides a model search space generation method, device and system. The method comprises the steps of obtaining modeling task information, wherein the modeling task information comprises target data set information; processing the feature information of the data set by using a pre-trained recommendation model for a recommendation model training method to obtain a recommendation result; generating a model search space according to the recommendation result; wherein the recommendation result comprises a feature engineering strategy and a model training algorithm, and the model search space comprises an operator module space and an operator parameter space. According to the embodiment of the invention, the model search space generated according to the recommendation result has convergence, and massive calculation does not need to be performed on the model search space, so that the resource consumption of a computer for model training is reduced. In addition, due to the fact that the model search space has convergence, the time for the modeling tool to select the feature processing strategy, the model algorithm and the corresponding hyper-parameters from the model search space is greatly shortened, and therefore the parameter search efficiency in the model training process is improved.

The invention relates to the technical field of flow industrial processes, in particular to a flow industrial process optimization control method considering input constraints and a device thereof. The method comprises the following steps: S1, collecting actual operation data of a process industrial process, and establishing an operation process data set; S2, presetting an operation variable based on an operation mode principle; S3, predicting production indexes by using the convolutional neural network regression model; S4, according to the input and state data of the process industrial process, establishing an adaptive dynamic programming double-loop iterative algorithm; and S5, performing optimal control with input constraints on the flow industrial process, so that the flow industrial process meets the target production requirements. The method has strict convergence and stability, the resource recovery rate and the comprehensive utilization level can be effectively improved, control is accurate, and adaptability is high.

The invention provides a high dimensional spatial data query method, a device and a computer readable medium. The high dimensional spatial data query method comprises the following steps: determining a corresponding Z value for each data point of a high dimensional space; sequentially storing data points to disc pages in a disk according to the size order of corresponding Z values; establishing an index table according to the corresponding Z value of each data point and each disk page storing the data points; determining a query point and calculating the distance between each disk page in the index table and the query point; and carrying out data query according to the distance between each disk page in the index table and the query point. The query efficiency can be improved by the scheme.

The invention discloses skin aging-resistant facial cream and a preparation method thereof, and relates to the technical field of traditional Chinese medicine cosmetics. The skin aging-resistant facial cream is prepared from the following steps: 27 to 34 parts of pericarpium granati, 15 to 22 parts of flos carthami, 20 to 27 parts of tuber bletillae, 18 to 25 parts of cactus, 14 to 20 parts of lotus flowers, 22 to 30 parts of fructus ligustri lucidi, 22 to 30 parts of root of kirilow rhodiola, 22 to 30 parts of poria cocos, 20 to 26 parts of radix paeoniae rubra, 5 to 10 parts of pearl powder,3 to 6 parts of sweet almond oil and a proper amount of water. Main components of the skin aging-resistant facial cream disclosed by the invention are prepared from pure plant raw materials; the formula is reasonable; all of the components work synergistically to achieve the effects of promoting qi to activate blood, removing heat to cool blood and tonifying liver and kidney; blood circulation ofthe skin on the face can be enhanced, the metabolic rate is improved, penetration of nutritional components into the skin is promoted, and proliferation and differentiation of epidermic cells are promoted; the flabby skin can be compacted, pores can be refined, and wrinkles can be reduced; the skin aging-resistant facial cream is anti-wrinkle, can preserve moisture, and has a unique effect on skin aging and chromatosis which are caused by various factors.

The invention relates to a traditional Chinese medicine capable of treating cervical and spinal disc protrusion and / or rheumatism bone diseases. The traditional Chinese medicine contains the following components in parts by weight: 20-50 parts of processed semen strychni, 5-10 parts of frankincense, 5-10 parts of myrrh, 5-10 parts of cortex eucommiae, 5-10 parts of rhizoma curcumae longae, 5-10 parts of radix cyathulae, 5-10 parts of liquorice, 5-10 parts of herba ephedrae, 5-10 parts of ground beeltle, 5-10 parts of rhizoma atractylodis, 5-10 parts of bombyx batryticatus, 2-8 parts of radix angelicae pubescentis, 2-8 parts of herba taxilli, 2-8 parts of rhizome chuanxiong, 2-8 parts of flos carthami, 2-8 parts of pawpaws and 2-8 parts of dipsacus asperoides. The traditional Chinese medicine disclosed by the invention has the efficacies of enriching and activating blood, dredging collaterals, dispelling wind, eliminating dampness, expelling coldness, removing stasis, promoting tissue regeneration, promoting the circulation of vital energy, arresting convulsion, relieving pain, removing bone spurs, tonifying kidney, strengthening tendons and bones and treating both symptoms and root causes, can take effect rapidly, is definite in treatment effect, short in recovery period and unlikely to relapse and has no toxic and side effects.

The present invention discloses a Ziyan tea wine and a preparation method thereof. The preparation method comprises the following steps: selecting fresh leaves of a Ziyan tea tree with one bud and two leaves in spring as raw materials, performing fixation, carding and drying to obtain Ziyan green tea, extracting the tea leaves with water at 85 DEG C for 10 minutes according to the ratio of tea to water being 1:50 (g / mL), and collecting tea soup; adding cane sugar with the mass ratio of 18%, ammonium sulfate with the concentration of 3 g / L and potassium metabisulfite with the concentration of 50-80 mg / L into the tea soup; and finally, adding saccharomyces cerevisiae accounting for 0.2% of the volume of the tea soup, then placing the prepared tea soup in a fermentation box to be subjected to primary fermentation and secondary fermentation, performing centrifugation for 10 min after fermentation is finished, or using a clarifying agent with positive charges for clarifying wine liquid, performing ultrafiltration treatment through a hollow fiber membrane, obtaining clarified wine liquid, sterilizing the wine liquid for 15 min at the constant temperature of 65 DEG C, and obtaining the Ziyan tea wine. The tea soup subjected to fermentation treatment has richer anthocyanin, and cane sugar in a specific proportion is added, so that the tea wine is bright in color, rich in wine aroma, rich in astringency in taste, high in layering sense, high in consumer acceptability and lower in cost.