36results about How to "Make up for the singularity" patented technology

The present invention provides an image motion compensation method for a space optical remote sensor, relating to an image motion compensation method and solving the problem that the current image motion velocity vector calculation method used in image motion compensation cannot satisfy complex imaging tasks and the calculation result is not accurate. The process of the image motion compensation method is as follows: creating five coordinate systems starting from ground targets to image points, transferring the coordinates for a plurality of times according to the rotation and translation principles among vectors, describing the positions of the targets and the image points in the camera coordinate systems, obtaining the image motion velocity vector calculation formula and the calculation method when the satellite forms images of the targets, then obtaining the image motion velocity vector used in the image motion compensation of the space optical remote sensor. The image motion compensation method overcomes the deficiency in the prior art, dependently calculates the target positions needed in the image motion velocity vector calculation and integrally considers the orbit and attitude parameters, besides. The image motion compensation method is suitable for complex imaging tasks and general satellite orbit, and is used in the fields such as atmospheric environment monitoring, resources exploration, disaster prevention and the like.

The invention discloses a method for evaluating the development coordination of an island microgrid. The method comprises the following contents: 1) analysing from the four aspects of distributed power side, load side, national economy and environment of the island microgrid to construct a development coordination evaluation index system for the island microgrid; 2) carrying developed illustration on coordination indexes with island microgrid characteristics, and establishing a corresponding calculation model; 3) improving a rough set theory by virtue of a multi-interval partition method; 4) determining an index weight matrix by virtue of the improved rough set theory; 5) fusing the weight matrix by virtue of a robust regression algorithm, and determining index weight values; 6) analysing the influence of each index in the island microgrid and the conditions which need to be met during planning and construction according to each index weight, and outputting a development coordination evaluation report for the island microgrid. The evaluation system and evaluation method disclosed by the invention are capable of scientifically and objectively evaluating the development coordination of island microgrids with different structures. Therefore, scientific guidance basis can be provided for the planning and construction for the island microgrids.

A multifunctional home security sweeping robot, including: a chassis (1); a housing (2) installed above the chassis (1); a broom (3) installed below the chassis (1); and installed on the chassis (1): Storage box (4), used to store garbage; wheels (5), with shock absorbing function; anti-touch sensor (6); optical flow sensor (7), used for path detection; ultrasonic distance sensor (8), Used for positioning and ranging; electronic compass (9), used for direction positioning; camera (10), used for security monitoring; display screen (11), used to display the current running status of the robot; main processor control circuit (12) , having path recognition and planning functions; a battery (13). The invention realizes human-computer interaction, can monitor the current running state of the robot in real time and can check the image returned by the camera at any time, and the path planning algorithm based on the optical flow sensor used effectively improves the working efficiency of the sweeping robot.

The invention discloses a shape-memory alloy material fatigue performance test system in the electricity-thermal coupling field. The test system comprises a power supply system, a camera system, a temperature acquisition system and a control system; the camera system comprises a camera box with a viewfinder frame, a lighting source, an industrial camera and a camera tripod; the temperature acquisition system comprises a temperature thermocouple and a temperature acquisition card; the control system comprises a time relay and a computer; the shape-memory alloy material is subjected to current loading through the power supply; conduction time of a tested sample and a cooling fan are controlled independently through the time relay. By the arrangement, replacement of the related shape-memory alloy material under the action of current and joule thermal coupling and monitoring of the temperature can be realized, displacement and temperature data of the previous or a plurality of mark points of the monitored sample can be acquired, and the test system is suitable of fatigue performance test of the characterized shape-memory alloy material under the electricity-thermal coupling field.

The invention discloses a randomness testing method of pseudorandom sequence, belonging to the testing field. The method aims to solve the problem that the testing of randomness characters is limited and unilateral in the existing randomness testing method. The method comprises the following steps: firstly performing grouped linear mapping or grouped cascade linear mapping or odd integer grouped second nonlinear transformation or grouped majority voting or grouped modulo 2 additon to a sequence to be tested to obtain a new sequence after grouping process; then selecting set pair standard sequences for statistics to obtain standard statistics value DEV; counting the new sequences after grouping process to obtain new sequence statistics value dev; then calculating to obtain the biggest distance D between the standard statistics value DEV and the new sequence statistics value dev; and finally comparing the biggest distance D and the distance standard value D epsilon to judge whether the tested sequence satisfy the randomness or not. The testing method of the invention has the advantage of comprehensive testing result, reliable use and effective effect and can be widely used in fields such as measurement and range-finding, spread spectrum communication, radar navigation and data security.

The invention provides an electric power system model and data quality evaluation method based on a multilayer fuzzy method. The method includes: obtaining electric power system basic information through acquisition of an electric power system basic model and data; establishing a multilevel evaluation index factor set of the electric power system basic information; performing weight distribution on the multilevel evaluation index factor set to obtain a multilevel evaluation index system; performing fuzzy mathematical calculation on the multilevel evaluation index system to obtain a fuzzy comprehensive assessment result; and assessing the electric power system basic model and the data. According to the method, the influence of the lack of basic information on the overall data quality evaluation is effectively avoided, the present situation that the state estimation cannot flexibly evaluate the electric power system basic data quality with multiple angles is solved, accurate and effective evaluation results and correction schemes are provided for the electric power system model and data quality, the completeness, the correctness, and the accuracy of an original model and the data re improved, and stable operation of an electric power system is guaranteed.

The invention relates to a method for preparing a compound foot bath lotion by propolis pollen. The method comprises the following steps: (1) weighing refined propolis, breaking into small blocks, and preparing a propolis ethanol solution by using a specific amount of alcohol; (2) uniformly mixing bee pollen with the alcohol and distilled water, soaking, standing still, extracting supernatant solutions twice, combining the supernatant solutions in a beaker, heating and concentrating in a water bath kettle, and controlling the water temperature to prepare a pollen solution; (3) grinding fructus cnidii, fructus kochiae and fructus xanthii, mixing according to a weight ratio, adding raw water, boiling and filtering;, adding hot water, boiling and filtering; and mixing filtrates to prepare a traditional Chinese medicine solution; (4) carrying out constant-temperature magnetic stirring on polyethylene glycol-400, a propolis solution and Tween-80 in a container, wherein the temperature, the rotation speed and the time are controlled during stirring; clarifying a mixed solution to form a oil phase; adding the bee pollen solution and the traditional Chinese medicine solution, magnetically stirring, cooling the mixed solution, and sub-packaging to prepare the compound foot bath lotion. The compound foot bath lotion has the effects of killing bacteria, relieving itching, clearing heat and toxic materials and the like, and is used for protecting health and treating foot fungal infection diseases.

The invention provides a focusing device and method for a satellite remote sensing camera. The focusing device comprises a focusing ring assembly and a motion transmission assembly, wherein the focusing ring assembly and the motion transmission assembly are used for enabling a camera lens focusing ring to conduct small-step-length planar motion. As the focusing ring assembly and the motion transmission assembly which can achieve small-step-length planar motion in orbit are adopted in cooperation with each other, accurate small-range focusing of the camera lens focusing ring is achieved; when the focal plane is out of focus because a satellite is influenced by temperature variation of a space environment, the focal distance of the remote sensing camera can be accurately adjusted through the focusing device, and then clear imaging of the satellite remote sensing camera is achieved. The focusing device has the advantages of being simple in structure, convenient to operate, high in focusing precision and the like, and the excessive focusing problem is avoided.

The invention discloses a material design 3D printing process based on rock and soil models. The process comprises raw material powder and additive slurry for filling the rock and soil models; material and structure double-gradient change digital models of the rock and soil models are designed by parametric design software; the layered slicing is performed for the double-gradient change digital models; the content data of raw materials and additives of the rock and soil models contained in each layer of slices is analyzed and converted to air compression parameters; the raw materials and the additives of the rock and soil models are synchronously pressed in a stirring system of a 3D printer according to the air compression parameters of the first layer of slices, and are uniformly mixed through rotation of the stirring system to obtain mixed slurry; then, the mixed slurry is printed layer by layer until the construction of micro structures is finished through longitudinal and transverse printing; and the constructed micro structures are geometrically reduced to the rock and soil models. The process builds the rock and soil models layer by layer through layer-by-layer analysis structure, realizes precise control of the rock and soil models on micro-macroscopic scale, and greatly increases the simulation degree.

The invention relates to a high-molecular polymer composite suitable for a bioreactor and a method for manufacturing the high-molecular polymer composite, and belongs to the technical field of biological pharmacy. The composite comprises, by weight, 55-70 parts of polytetrafluoroethylene, 10-15 parts of polyether-ether-ketone, 8-12 parts of polyphenyl ester, 3-5 parts of polyphenyl ether, 3-5 parts of polyethylene, 3-5 parts of polyamide and 3-5 parts of zirconia or silicon nitride. The high-molecular polymer composite and the method have the advantages that problems that parts of existing composites in the prior art are toxic, the existing composites are volatile, are easy to decompose, are poor in temperature resistance and corrosion resistance and are not suitable for bioreactors, or the existing compositions are only suitable for membrane bioreactors and are poor in abrasion resistance are solved; all requirements on the performance of the high-molecular polymer composite which is in contact with biological products in the bioreactor are met, the high-molecular polymer composite has self-lubricating performance, and the abrasion resistance of the high-molecular polymer composite is greatly improved.

A general blind detection system for digital watermark and method, which contains a number of detecting algorithm software, such as the order detection software on the digital images, the fusion analysis software according to the result of these detection algorithm, and the detection rule database software which is compared with these algorithm and fusion analysis. In the condition of on original watermark, it can use the detection algorithm according to the embedding algorithm detects several different embedding ones, and make fusion analysis on the result by the rule, to detect the watermark of digital image.

The invention relates to a method for evaluating gene variation pathogenicity through a mutant cell migration function and an application thereof, and belongs to the technical field of animal model construction. The method comprises the following steps: constructing an expression system of a neutrophil specific expression human ELMO1 gene variation site; cloning a plasmid carrying a to-be-evaluated gene variation site sequence into an ELMO1 gene deletion zebrafish mutant model, and specifically expressing the to-be-evaluated ELMO1 gene variation site in the neutrophil; and carrying out delayed in-vivo imaging: carrying out visual tracking on the neutrophil carrying the ELMO1 gene variation site in the zebra fish gene deletion mutant model through delayed in-vivo imaging, and evaluating the influence of the gene variation site on the migration function of the neutrophil so as to evaluate the pathogenicity of the gene variation site. The method can be used for identifying the functional change of the gene variation based on the animal model, does not depend on a sample of a patient, and has the advantages of convenience in data acquisition and storage and high experiment repeatability and accuracy.

The invention discloses a berry-polyphenol active skin-care composition and application thereof and belongs to the field of cosmetics. According to the berry-polyphenol active skin-care composition disclosed by the invention, a berry extract is matched with a synthesized-effect active ingredient, the activity of the synthesized-effect active ingredient is longer in duration and higher in stability under the assistance of substances such as polyphenols in the berry extract, the defect that berry polyphenols in the berry extract are prone to fading in case of independent presence is avoided, meanwhile, the singleness of the synthesized-effect active ingredient in the aspect of effect can be made up, and the skin care effect is better during use of the product. The invention further discloses application of the berry-polyphenol active skin-care composition in preparation of skin care articles. The berry-polyphenol active skin-care composition disclosed by the invention is remarkable in effect and can be extensively applied to preparation of the skin care articles meeting different requirements.

The invention discloses a high-strength aluminum profile connecting piece. A first connecting rod is included. A U-shaped connecting part is fixedly arranged on the first connecting rod. A center shaft is fixedly arranged in the U-shaped connecting part and movably provided with a rotation rod in a penetrating manner. The side, away from an installing hole, of the rotation rod is fixedly providedwith a second connecting rod. An E-shaped piston is arranged in an inner cavity of a U-shaped block. A glue cavity is formed between a push plate and a seal film, and a glue outlet pipeline and the glue cavity are isolated through the seal film. The high-strength aluminum profile connecting piece is provided, the connecting piece comprises the first connecting rod and the second connecting rod which are hinged through the U-shaped connecting part, two aluminum profiles can be fixed by a certain angle according to needs, the application range is wider, attractiveness is high, the aluminum profiles are dually fixed through strong glue and a fixing screw, the connecting strength is higher, and the high-strength aluminum profile connecting piece is well worthy of popularization.

The invention discloses a multifunctional light and shadow table. The multifunctional light and shadow table is formed by a front plate, a back plate, a bottom plate and two side plates. The bottom plate is vertically provided with two first supporting plates, the top face of each first supporting plate is provided with a protrusion, a height difference is formed between the top face of the protrusion and the top face of the first supporting plate where the protrusion is located, the top faces of the two first supporting plates are erected with a second supporting plate of which the height isequal to the above height difference and a light scattering plate of which the height is less than the above height difference, glass is erected in the top face of the second supporting plate, a gap capable of placing a card is formed between the top face of the light scattering plate and the bottom face of the glass, the front plate is provided with an opening opposite to the gap, the card can beinserted into and taken out from the opening, and the bottom plate between the two first supporting plates is provided with a light source; according to the multifunctional light and shadow table, multiple purposes of the light and shadow table is achieved by replacing the type of the card, the oneness problem of a border of a light transmission area of the light scattering plate in a sand painting table is solved, the problem that an original drawing deviates easily in a copy table, and the normal use of chess games under a dim condition is ensured.

The invention discloses a solid-phase microextraction optimization method of fruit volatile components, which comprises the following steps: taking a mature fruit of a sample to be detected, juicing the pulp of the fruit to obtain fruit juice, filtering, taking the filtered juice by using a transfer pipette, putting the filtered juice into a sample bottle, adding sodium chloride and n-hexane as internal standards, and carrying out cryopreservation; magnetically heating, inserting the extraction needle into the sample bottle for adsorption, and taking out the extraction needle for later use; after the extraction needle after adsorption is completed is inserted into a sample inlet of a gas chromatography-mass spectrometry analyzer for desorption, starting the analyzer to collect volatile substance data; selecting a plurality of factors influencing extraction, performing multiple regression fitting analysis on the total peak area result of the volatile substances, and establishing a regression model; and taking the total peak area of the volatile substance as a target variable, and taking a dependent variable corresponding to the maximum response value as an optimal process value. The invention provides a method capable of effectively searching a fruit solid-phase micro-extraction process, so that extracted components are accurate and high in content.

The invention belongs to the field of dairy product processing, and specifically relates to malus baccata fruit-flavored Wurme (milk skin) and a preparation method thereof. According to the invention,a main material of the Wurme is a milk component, and the auxiliary materials of the Wurme comprise the following components in percentage by weight in terms of 100 parts of the main material: 6 to 9% of malus baccata fruit, 1 to 3% of various nectar, 3 to 8% of chia seeds, 0.05 to 0.25% of a thickening agent, 0.5 to 1% of modified starch and 0.5 to 1.5% of white granulated sugar, with the balance being water. According to the invention, a northern specialty, namely the malus baccata fruit is selected for boiling, and the content of organic acid in the produced Wurme is especially increased,so the nutritional value of the produced Wurme is increased, and the disadvantage of single taste of traditional Wurme is made up; the chia seeds are added, so the fatty acid content of the produced Wurme is remarkably increased; and the produced Wurme is comprehensive in nutrition, fragrant and delicious in virtue of usage of the nectar.

The invention provides a gate-type axle assembly. Wheels can be steered synchronously, the distance from a bridge to the ground is large, and the gate-type axle assembly can adapt to various construction environments, has high versatility, can be compatible with the installation of multiple components, and reduces vehicles on the construction site. According to the technical scheme, the gate-typeaxle assembly comprises a horizontally arranged bridge and wheel assemblies installed at both ends of the bridge. Each wheel assembly comprises wheels, a motor for driving the wheels, and a bracket. The lower end of the bracket is connected to the wheel axle, and the upper end of the bracket is connected to the bridge end.

The invention discloses an abnormal card identification method and device, electronic equipment and a storage medium, and the method comprises the steps: determining the feature vector of a bank card according to the historical transaction record of the bank card for the bank card of the same type, and determining the probability value of the bank card as an abnormal card based on an abnormal card identification model; and determining the target similarity between the bank card and the transacted bank card of the same kind, counting the accumulated transaction number and the transaction interval time of the transacted bank card of the same kind, and determining the risk exposure parameter value according to the probability value, the target similarity, the accumulated transaction number and the transaction interval time. And finally carrying out abnormal card identification based on the risk exposure parameter value. The method comprises the following steps: firstly, determining a probability value that a bank card is an abnormal card, and then jointly determining a risk exposure parameter value for identifying an abnormal behavior in combination with the convergence, namely target similarity, of the bank card, the accumulated number of transactions and the transaction interval time. The unicity of the existing rule is made up, and the accuracy of abnormal card identification is improved.

The invention discloses a complex sound recognition method based on a one-dimensional convolutional neural network. The method comprises the steps: a complex sound is processed through a random completion algorithm, and original data is filled into the same length for input of the one-dimensional convolutional neural network; and a pre-emphasis module and a simplified attention mechanism module are embedded in a basic framework of the one-dimensional convolutional neural network, wherein the pre-emphasis module is arranged at an input part of the one-dimensional convolutional neural network and is used for pre-emphasis on input data and participating in network model optimization; and the simplified attention mechanism module is arranged in a deep layer of the one-dimensional convolutional neural network, and global features with attention are obtained by using global average pooling and a sigmoid function. Through the method, the network model is optimized, and a good identification effect is obtained.