60results about How to "Eliminate blindness" patented technology

A phased array antenna includes a substrate and an array of antenna unit cells formed on the substrate. Each antenna unit cell comprises first and second sets of coupled dipole antenna elements that are orthogonal to each other and provide dual polarization. A member is positioned at each antenna unit cell between each of the dipole antenna elements in each polarization to eliminate scan blindness without reducing broadside (non-scanned) array gain.

The invention discloses a rolling bearing health condition evaluation method based on CFOA-MKHSVM, belongs to the technical field of bearing fault evaluation and aims at evaluating rolling bearing performance degradation degree more effectively. The method includes: extracting time domain and frequency domain statistical features of bearing vibration signals and wavelet-packet-based time frequency features; aiming at the problems of nonuniform state data distribution and data heterogeneity of a rolling bearing, adopting a hyper sphere support vector machine for recognition and performing multinuclear convex combination and optimization; in order to eliminate blindness of artificial selection of multiple parameters of a classifier and proneness to selecting into a local optimum problem, combining a fruit fly algorithm with a chaos theory to optimize the multiple parameters; building a chaos optimization fruit fly algorithm-multi-core hyper sphere support vector machine CFOA-MKHSVM model, and putting forward a normalized difference coefficient evaluation index. Experiments for comparing the normalized difference coefficient evaluation index with an SVDD algorithm evaluation index verify effectiveness of the normalized difference coefficient evaluation index, and quantitative evaluation of rolling bearing health state is realized.

The invention discloses a video service quality-based hybrid selective repeat method, which mainly solves the problems of reduced data transmission quantity, large transmission delay and poor video information continuity caused by unnecessary cost in the prior art. The method is implemented by the following steps of: first, calculating a video subjective quality objectified value by utilizing a video subjective quality objectifying model, and calculating a data transmission redundancy range which cannot cause network congestion by using a network broadband which feeds back from a receiving end to a transmitting end; then, according to the data transmission redundancy range, allocating proportions to forward error correction redundancy and selective repeat redundancy to optimize the video subjective quality objectified value; and finally, selecting a code pattern for coding according to the forward error correction redundancy, and determining the number of packets needing to be repeated according to the selective repeat redundancy. In the method, forward error correction control and selective repeat error control are taken into consideration at the same time, so that the time cost and the network cost are reduced; therefore, the method can be used in a video transmission system.

The invention relates to a system and method for testing defects of a network protocol, and a network protocol system is expressed in a graph and form mode through improving the traditional Petri network protocol model. According to the network protocol standard described by a text format, the improved protocol model is applied to modeling a network protocol system to be tested; and then, syntactic analysis is carried out on the external interface and internal core of the network protocol, and possible defects of the network protocol to be tested are listed; a regular expression syntax is utilized to construct a test case template containing defects obtained in the syntactic analysis stage, and the test system automatically and randomly generates a corresponding test data file based on the regular expression rule, namely the defect test case; and finally, the system sends and injects the test case comprising syntactic defects to the protocol system according to the protocol rule to be tested, then waits for the response of the protocol system and returns the response to a test initiation platform, and the defect test system generates a final test report according to the total defect test process.

The invention relates to a control method applied to a threshing and redrying production line, providing a predictive PI controller based on a model. The control method is composed of a PI control item and a predictive control item. Based on a flue-curing barn temperature object, four flue-curing barn temperature controllers are designed by an advanced predictive PI control algorithm, thus avoiding the problems of low regulation speed and big fluctuation of the traditional PID control algorithm; based on a cooling room generalized moisture object and an outlet generalized moisture object, thecooling room moisture control scheme and the outlet moisture control scheme are respectively designed by adopting self-adaption anti-interference pseudo prediction PI control algorithm, thereby greatly improving control precision and enterprise economic benefit. The invention has the advantages that the control method is a control algorithm based on the model, and the PI control item can improve controller robustness; the predictive control item can predict future control function according to the control function in a certain past period, eliminating control blindness, and ensuring that the production is totally in autocontrol in the closed loop mode.

The invention mainly relates to the technical field of quick satellite earth observation, in particular to a method for realizing hybrid and active scheduling on quick satellites. The method comprises the following steps: S1, generating an initial flexible scheduling plan: alternately performing heuristic search and constraint propagation until processing on all tasks is completed, wherein the resource allocation problem is solved by the heuristic search, and the activity start time range is reduced by the constraint propagation; S2, performing hybrid and active adjustment on the scheduling plan: performing scheduler underlayer processing by utilizing the minimum disturbance updating method of the constraint propagation when the task observation start time, the activity duration and the activity observation posture are adjusted; performing adjustment on a task observation time window and insertion of tasks, which are not arranged, by utilizing the heuristic search method for inserted tasks. The method for realizing the hybrid and active scheduling on the quick satellites, disclosed by the invention, is simple in operation, high in flexibility and easy to realize, and can be applied under the complicated background that the multiple quick satellites are scheduled.

The invention discloses an explosive welding method for bimetal composite boards with special quality requirements. The explosive welding method includes preprocessing blanks; charging powder; and performing explosive welding. In a powder charging procedure, 'basin'-shaped powder charge bodies are arranged on shroud plates and extension plates, upper and lower surfaces of the powder charge bodies are parallel to the shroud plates and the extension plates, and powder charging quantities are acquired by computing according to a formula. The welded rate of the composite boards welded by the explosive welding method reaches 100%, the bonding strength of welded surfaces of the bimetal composite boards meet a bimetal solid-phase metallurgical bonding strength law, bonding interfaces of the bimetal composite boards are finely wavy and are excellent in quality, and accordingly the quality requirements of critical equipment of thermonuclear fusion power generation test reactors on the composite boards are met.

The invention provides a data migration method, a data migration system and a data migration device at the host machine end. The data migration method comprises the steps of ascertaining the source address of a target data object and ascertaining the migration strategy of the target data object, wherein the source logical hard disc which the target data object belongs to comprises a plurality of data objects; and sending object migration information to a storage system, wherein the object migration information comprises the source address of the target data object and the migration strategy of the target data object, so that the storage system can obtain the target data object according to the source address of the target data object and migrates the target data object according to the migration strategy of the target data object conveniently. According to the data migration method, the data migration system and the data migration device at the host machine end, data migration granularity can be reduced and refined performance adjustment can be achieved.

The invention relates to a rolling bearing performance degradation evaluation method based on an HWPSO-SVDD model, and the method comprises the following steps: S1, obtaining a feature index of a normal rolling bearing vibration signal, obtaining a fusion feature index through a PCA algorithm, and building a training sample; S2, optimizing a penalty parameter C and a nuclear parameter delta of theSVDD model by utilizing an HWPSO optimization algorithm; S3, constructing an HWPSO-SVDD model by using the penalty parameter C and the kernel parameter delta obtained by optimization; S4, inputting the training sample into an HWPSO-SVDD model for model training to obtain a trained performance degradation evaluation model; S5, acquiring a fusion characteristic index of the vibration signal of therolling bearing to be tested, and calculating to obtain a performance degradation index Vc value of the rolling bearing to be tested by using the trained performance degradation evaluation model; andS6, setting a self-adaptive alarm threshold, and when the Vc value exceeds the self-adaptive alarm threshold, carrying out early warning on the early degradation state of the bearing, so that the method has the advantages of improving prediction accuracy and robustness and the like.

The invention discloses a flow chart-based method for automatically detecting logic loopholes of electronic commerce websites. The method comprises the following steps: collecting the traces of a user using an electronic commerce website through an agency and structuring the traces into a flow chart; expanding the existing flow chart, seeking the undiscovered electronic commerce flows and integrating the undiscovered electronic commerce flows into the existing flow chart; and analyzing the expanded flow chart, recognizing the functions, embodied in the flow chart, of the electronic commerce website, carrying out logic loophole detection on the electronic commerce website by using a generated test example so as to generate a test result, calculating the similarity between the a page returned by the test and a page returned by the input flow chart, and comparing the similarity with a threshold to determine whether corresponding loopholes exist or not. According to the flow chart-based method for automatically detecting logic loopholes of electronic commerce websites, the problems that the traditional alogical loophole detection tools are low in crawler crawling efficiency and the operation of covering all the test parameters requires plenty of time are solved, so that the method is more suitable for the comprehensive detection of the logic loopholes of the electronic commerce websites.

The invention discloses a fuzzy Petri network-based system reliability analysis and fault diagnosis method which comprises the following steps: (1) analyzing system faults, determining an inference rule of a fuzzy Petri network according to a relation between every two system faults, and building a fuzzy Petri network-based fault diagnosis model; (2) counting the occurrence probability of a bottom event, and setting a system fault level; (3) setting an initial credibility value, a transition rule confidence coefficient, a transition threshold value and an initial marking matrix according to a fault event; (4) determining a key fault to be prevented according to an MYCIN credibility matrix reasoning method; (5) building an initial place set, a target place set and reachability sets of the place sets, reversely inquiring a path, which causes the fault, according to an occurred fault defect, and determining an initial place according to a rule that the credibility is the highest, judging whether the event is activated according to the set threshold value, and determining the credibility of the activated event. The fuzzy Petri network-based system reliability analysis and fault diagnosis method has fuzzy reasoning capacity and graphic description capacity and has the characteristic of accurately expressing fault information.

The invention belongs to the technical field of guide of parking lots and discloses a distributed intelligent guiding system and method for a parking lot. The distributed intelligent guiding system for the parking lot comprises a video monitoring module, an information collecting module, a parking space monitoring module, a central control module, an anti-blocking module, a path guide module, an early warning module, a parking charging module, a data protection module and a display module. The distributed intelligent guiding system and method for a parking lot in the invention can dynamicallymonitor the parking space and prevent the problem of battling for a parking space from occurring; the parking fee of an unlicensed vehicle generated in the parking lot is accurately worked out throughthe parking charging module; the problem that a sentry box terminal cannot normally complete the operations such as entrance and charging which affect the normal operation of the parking lot is solved through the data protection module when the parking lot has problems such as computer breakdown, abnormal power failure, database file damage and the like, thereby greatly reducing the loss of the parking lot caused by failures.

The invention relates to a package generation method and system of a C2B2C mode. The method comprises the steps that 1) a background module receives a request for establishing a package by oneself from a subscriber, and sends the request to a package combination module, and the package combination module displays all pre-stored basic function information for package establishment; 2) the package combination module receives a selection instruction from the subscriber, and according to the selection instruction, the package combination module combines the basic function information selected by the subscriber to generate the self-established package; 3) a pricing module calculates the self-established package in a combined manner to obtain a price of the package, and the self-established package and the package price are previewed in a combined manner; 4) whether a confirmation instruction is received from the subscriber is determined, if yes, a step 5) is turned to, and otherwise, the step 2) is turned to; and 5) a package issuing module generates a new package according to the self-established package and the package price, and stores and issues the new package. According to the invention, the subscriber can participate in package establishment, the initiative of the subscriber is improved, and the satisfaction degree of the subscriber is improved.

The invention discloses an explosive welding method of a metal clad plate of a super-thick shroud plate. The explosive welding method comprises the following steps of 1) pretreating substrate and shroud plate blanks; 2) arranging an extension plate at the periphery of the shroud plate; 3) arranging a substrate and the shroud plate; 4) laying main charge and auxiliary charge; 5) producing and arranging a priming device; 6) carrying out explosive welding. According to the explosive welding method, the welded rate of the clad plate welded through the process reaches 100%, the bonding strength of a welding surface conforms to a strength rule of duplex metal solid phase metallurgical bonding, a bonding interface of the welding surface is in a shape like a micro-wave with excellent quality, the impurity content of the interface is not higher than the corresponding impurity content of raw materials, and the welding quality requirements on the clad plate are completely met.

A multifunctional electromagnetic structure is presently disclosed. Said structure is a true electromagnetic bandgap (“EBG”) material, with both surface and leaky waves suppressed from the whole structure along all lateral directions. It is also an antenna element, configured to radiate to the broadside direction. The structure has two metallization layers of concentric rings between a square-shaped radiating top metal layer and a bottom ground plane. The lower concentric ring is connected to the ground plane through a plurality of vias, while the patch of the top metal layer is fed with a probe. The EBG unit cells may be used as antenna elements in a phased array environment, where they eliminate scan blindness from the array structure along all scan directions.

The present invention relates to a skin beauty healthcare method based on mEPHX gene polymorphism, comprising the steps of: (1) detecting the gene locus related to skin beauty healthcare for gene polymorphism; (2) deciding the skin feather, according to the detection result; and (3) choosing a beauty healthcare scheme in accordance with the skin feather. By polymorphism detection for related gene, the method is capable of finding skin feather from gene level, predicting the easy-to-show problems, and finding out the interior reasons of the skin problems, so that optimum skin care products and scheme are pointed chosen, the blindness in skin beauty healthcare is eliminated and the beauty healthcare effect is greatly improved.

The skin beautifying health care method based on gene polymorphism includes the following steps: 1. performing gene polymorphism detection on the gene site related to skin beautifying health care; 2. judging the features of the skin based on the detection result; and 3. selecting skin beautifying health care scheme corresponding to the features. The said method can select optimal skin care product and optimal skin beautifying health care scheme to reach greatly raised skin beautifying health care effect.

The invention discloses a tunnel mine drawing groove area equidistant sectoral hole arrangement blast construction method. The method comprises the steps of 1, designing a drawing, wherein blast holes are reasonably arranged according to the tunnel lithology grade and the tunnel blast design requirement, and an equidistant sectoral hole arrangement method is utilized to conduct CAD software drawing; 2, erecting an instrument and conducting surveying and lofting, wherein the drawing in the first step is utilized, a vertical line is made in the profile plane of the joint of the blast holes, a lofting rod or a ready-made anchor rod is arranged and fixed on the vertical line, and a nylon rope is hung and serves as a drill lofting line; 3, conducting drilling, wherein the drawing in the first step is utilized, and a drill reference point construction method is adopted to conduct construction; 4, conducting charge blast, wherein powder charging, blocking, blast network connection, alerting and blast initiating are conducted according to the designed detailed requirement for segmentation of the powder charge volume of each blast hole, and the powder charging structure. The tunnel mine drawing groove area equidistant sectoral hole arrangement blast construction method is easy to learn and operate, and hole arrangement and lofting on a palm mine drawing groove area are precisely conducted.

The present invention relates to a skin beauty healthcare method based on mEPHX gene polymorphism, comprising the steps of: (1) detecting the gene locus related to skin beauty healthcare for gene polymorphism; (2) deciding the skin feather, according to the detection result; and (3) choosing a beauty healthcare scheme in accordance with the skin feather. The gene locus related to skin beauty healthcare is a -1238T-A/2557C-G/Y113H/H139R locus of the mEPHX gene, if the detection result is homozygous positive or heterozygous positive, judge the possibility and tendency of EPHX activity decrease of the skin, and predict the easy-to-show problems of pathological aging, acne and poor detoxifying function. The invention is capable of finding skin feather from gene level and finding out the interior reasons of the skin problems, so that the blindness in skin beauty healthcare is eliminated and the beauty healthcare effect is greatly improved.

The invention relates to a skin beauty and health care method based on TNF-alpha genetic polymorphism, comprising the following steps of: (1) implementing the genetic polymorphism detection to gene sites related to skin beauty and health care; (2) judging the skin characteristics according to test results of genetic polymorphism; and (3) selecting a beauty and health care scheme according with the skin characteristics, the gene sites related to the skin beauty and health care are sites of -308G-A/-850C-T/L29S/R32W of a TNF-alpha gene, and when the test results show homozygous masculine or heterozygous masculine, the skin can be judged to have the possibility and tendency of immunity reduction and problems of pathological aging, poor blood circulation and poor reparative regeneration easily. The method can find the characteristics of skin on the gene level and internal causes of skin problems, thereby eliminating the blindness in skin beauty and health care and greatly improving the effects of beauty and health care.