37results about How to "Narrow down the collection" patented technology

The invention provides an interference code distributing method for the code multi-address system which includes: distributing interference code for the section with the highest interference level; and determining to distribute the interference code for the undistributed section whether or not, by judging if distributing the interference code for all sections in the code multi-address system, till all sections are distributed the interference codes. Because the method provided by the invention considers about the difference of interference level between the sections, the result of method in the invention is better than the interference code method which not considers the interference level in the communication system.

A stereovision training system, which is used for exercising and protecting of the eye muscle, comprises a computer, a projector, a projection curtain, a plurality of side eyepieces, and stereographic photos used for improving eyesight, wherein, the stereoscopic software is loaded in the computer, and the computer signal is inputted into the projector and projected on the projection curtain. The invention is characterized in that the virtual targets in the stereographic photos aiming at improving eyesight ensure the cross points of the visual lines to cycle between the anterior spot and the postocular spot when a trainee is gazing, so as to achieve the maximum of the increasing and scattering of the set, which drives the eyes to do lens exercise greatly. The anterior spot means a point before the eye, and the postocular spot means a point which is the cross point of the oppositely elongated lines of the visual lines of the binoculus. The technical proposal of the invention is to protect and strengthen eyes by viewing the dynamic stereo scenes produced through computer virtual reality technology according to visual physiological characteristics of human eyes.

The invention relates to a green channel vehicle checking method based on big data analysis, research and judgement. The method comprises the steps that green channel checking data is combined with charged vehicle passage data to form a green channel information big data database, on the basis, starting from the license plate number, tonnage, money amount, entrance-exit stations, vehicle types, cargo types and other attributes, analysis, research and judgement are conducted, data support is provided for green channel vehicle checking, green channel checking of the front end is guided in transition from manual judgement and experience judgement to data judgement, and accordingly the checking efficiency is improved; green channel vehicles are subjected to compiled analysis, the statistics workload is reduced, the efficiency of checking the green channel vehicles is improved, the inspection and rechecking difficulty is lowered, the effectiveness of cracking down the green channel vehicleswhich do not accord with the standard is high, analyzed, researched and judged cargo, vehicle, section and space-time distribution provides powerful decision support and guidance for the toll road management department and the transportation department, and the speed of checking the green channel vehicles and the traffic capacity of toll stations are improved.

The invention relates to a binocular vision environment detection system and method based on tactile perception. The system at least comprises a robot main body for archaeological excavation, the robot body comprises a camera device, a tactile sensor and a processor. The processor is configured to: statistical characteristic loss areas adjacent to each other are divided based on at least two visual images with parallax values collected by the camera device so as to form a curve path where the robot body walks, and the tactile information collected by the tactile sensor and related to the curvepath are associated with prior information to generate an object surface statistical feature point set, thereby compensating the features of the statistical feature loss area to extract image edge feature points.

The invention discloses a delay-dependent space-time code mode blind identification method based on characteristic quantity pre-estimation. The method comprises the steps that (1) a space-time code set is extracted to acquire a characteristic quantity set; (2) a parallel matrix and characteristic quantity function value vector quantities are calculated; (3) characteristic quantities are pre-estimated according to the characteristic quantity function value vector quantities to acquire a new space-time code set and a noise power estimation value; (4) the parallel matrix is whitened to acquire a solution correlation matrix; (5) the time-delay correlation norm of the solution correlation matrix is calculated; (6) a time-delay correlation matrix of code patterns in the new space-time code set is calculated; (7) time-delay relevance vector quantities are calculated according to parameters in the fifth step and the sixth step; (8) a code pattern corresponding to an element with the minimum value in the time-delay relevance vector quantities is chosen as a judgment code pattern. The delay-dependent space-time code mode blind identification method based on characteristic quantity pre-estimation overcomes the defect that the complexity of a system in the prior art is high due to the large calculation, widens the identification range of an existing space-time code blind identification method, and can be used for a space-time code pattern used at a blind identification sending end.

The invention provides a press-on lens capable of correcting retinal peripheral defocus, which belongs to the field of health care glasses. A conventional frame spectacle lens or press-on lens cannot correct retinal peripheral defocus and promotes degree increase of myopia or delays emmetropization of presbyopia. The press-on lens provided by the invention is adhered onto a frame spectacle lens to correct retinal peripheral defocus; the press-on lens can effectively correct retinal peripheral defocus while correcting retinal central defocus and effectively controls degree increase of myopia and promotes emmetropization of presbyopia. The invention further provides a press-on double optical concave lens, a press-on double optical convex lens and a press-on progressive multi-focus lens; the above-mentioned lenses can be adhered on a plano frame spectacle lens to correct myopia and presbyopia and to mitigate adjustment and convergence of eyes.

The invention relates to a search method of mirror image web pages, which comprises: obtaining reversely linked anchor texts of web pages, computing weights of the anchor texts, according to weights, extracting the anchor texts which are provided with numbers or extracting the anchor texts which are provided with proportions, judging whether the above anchor texts are legal relative to the web pages, determining the web page of the illegal anchor texts and extracting main domains, subdomains, and first page of directory of the web page, then forming a mirror image web pages search set by the extracted web pages and searching mirror image web pages based on the mirror image web pages search set. Simultaneously the invention also provides a search system of mirror image web pages, solves problems of low efficiency of the search method of the prior art, and can simply and rapidly search mirror image web pages and has high efficiency.

The invention discloses an FPG (Field Programmable Gate Array) online fault injection method based on code mutation, relates to the technical field of computer application, and aims to solve the problem that in the prior art, a user cannot freely select a fault concerned by himself / herself for injection to measure the reliability of a target system. The method comprises the following steps: 1, scanning a code, and carrying out mathematical modeling on a VHDL system; 2, according to a fault injection position selected by a user, file configuration is injected, the signal is modified, and an injection unit is generated; 3, generating a fault injection parameter according to the selection of the user; 4, analyzing the fault injection parameters generated in the step 3, and writing the fault injection parameters into a parameter register; and 5, completing activation of the fault injection unit during operation of the FPGA target system through control of the host machine. Through the fault injection recommendation function, the set of fault injection positions is effectively reduced. The fault injection efficiency can be effectively improved.

The invention discloses a pair of combined myopia preventing and treating glasses, which comprises a pair of primary glasses and three groups of independent secondary glasses. The pair of primary glasses is a pair of shortsighted glasses and comprises a spectacle frame (1) and a pair of primary shortsighted eyeglasses (2). The first group of secondary glasses can be attached below the front faces or back faces of the main shortsighted eyeglasses (2) through connecting clamps (3); secondary eyeglasses thereof are formed by compounding 2 to 3.5 D convex spheres and 4 to 7 triangular prisms of which the base is inwards; and the first group of secondary glasses are especially suitable to be used by a student in class, wherein the student uses the upper half to look at a blackboard, and the lower half changes a near sight into a far sight when the student reads or writes so as to prevent the development of myopia. The second group of secondary glasses can be attached above the front faces or back faces of the main shortsighted eyeglasses (2); and secondary eyeglasses thereof are 3 to 5 D convex spheres and treat myopia in a far fogging mode. The third group of secondary glasses can be attached above the front faces or back faces of the main shortsighted eyeglasses (2); secondary eyeglasses thereof are formed by compounding 1 to 2 D convex spheres and 2 to 4 delta triangular prisms of which the base is inwards; and the third group of secondary glasses is especially suitable to be used by the user for watching a computer, and can eliminate eye fatigue, prevent and treat myopia.

The invention belongs to the technical field of computer defense, and particularly discloses a method and system for collecting phishing websites based on payment. The method comprises the following steps: judging the security attribute of a user currently accessed website according to existed trusted website database and phishing website database, and recording the web site of the website if the website is unknown; monitoring whether a web page of the current website skips; if the current website skips from the first web page to the second web page, judging whether the web page is a payment page according to the web page content of the second web page; if the web page is the payment page, adding the web site to a suspicious website to be tested database for further confirmation, and if the website is a phishing website, updating the web site to a phishing website database; if the web page is not the payment page, updating a corresponding web site of the second web page to the web site of the current website, and returning to step one for cycle operation. The system comprises a website attribute judge module, a skip monitoring module, a payment page judge module, a collecting updating module and a cycle execution module which are corresponding to the method. Through the adoption of the method or the system, newly appeared phishing websites can be more timely and accurately collected.

The invention discloses an optical lens for preventing myopia of students, relating to the field of optical technology. The optical lens comprises a lens body (1), an upper optical zone (2), a lower optical zone (3) and a triple prism (4), wherein the upper optical zone (2) and the lower optical zone (3) are arranged on the lens body (1), the lower optical zone (3) is arranged below the upper optical zone (2), and the triple prism (4) with an inward substrate is arranged at a small flat top above the left side of the lower optical zone (3). The optical lens has the beneficial effects that the structure design is reasonable and novel, eye axis increase can be effectively slowed down, myopia progress is controlled, paracentral defocus and form deprivation are alleviated, near distance seeing for a long time is comfortable, adjustment and focusing, caused by near seeing of the students, can be reduced, the optical lens is suitable for visual physiology of the students during near seeing, myopia occurrence and progress can be effectively prevented, the myopia diopter of adolescents and children can be gradually reduced by proper adjustment of a dioptric system, and therefore, the optical lens is an ideal product for preventing juvenile myopia.

The invention discloses a shortwave direction-finding data set labeling method based on least squares positioning. The method comprises the steps of firstly, screening out inferior azimuth lines by using the number of intersection points of azimuth lines, and obtaining an initial effective azimuth line set of a signal source; then, correcting the measurement azimuth angle of each direction-findingstation according to the direction-finding error mean of each station relative to a known position signal source; secondly, establishing an optimization model of least squares position estimation, and solving the optimal position of the signal source by adopting a trust region algorithm; and finally, iteratively screening out azimuth lines with relatively large errors and updating the azimuth line set until convergence through robustness control, and finally obtaining a direction-finding station combination corresponding to effective direction lines in the set to serve as an optimal station selecting scheme label of the signal source in the direction-finding data set. Compared with a traditional whole-station fixed direction-finding mode, the positioning precision of a shortwave direction-finding flexible networking scheme is remarkably improved, and the task load of each direction-finding station is reduced.

The invention discloses a wide screen intelligent presbyopic lens and a preparation mould thereof. The lens comprises a front surface and a rear surface, the front surface and / or rear surface are free-form surfaces, and each free-form surface comprises a far-view area, a near-view area, a transition area between the far-view area and the near-view area, and astigmatic areas, which are arranged on two sides of the transition area. People who use the presbyopic lens can see things in a far distance or in a near distance, and do not obviously feel a dead zone. The presbyopic lens has the advantages of convenient fitting and indoor multipurpose use. The invention also discloses a preparation mould of the wide screen intelligent presbyopic lens.

The invention relates to a pair of glasses for the shortsighted, belonging to the technical field of glasses. The invention is characterized in that the distance between focal centers of two eye glass lenses thereof is smaller than the shortsighted pupil distance of a user, and the eye glass lenses of the glasses for the shortsighted are polarized light and composite lenses. In the invention, the glasses for the shortsighted, belonging can improve observation effect and achieves comfortable and antifatigue feeling for the user.

The invention belongs to the field of computer defense technologies, and particularly discloses a precise collection method and system based on phishing website spread. The precise collection method comprises the following steps: within a preset time range, recording the URLs(Uniform Resource Locators) of all the websites inquired on a server side and the inquiry times; acquiring the URLs of the websites ranking within a preset range according to the inquiry times; detecting whether hidden links exist in the webpages corresponding to the URLs or not, and if hidden links exist, acquiring the URLs of the hidden links; judging whether the websites corresponding to the URLs of the hidden links are phishing websites or not, and if phishing websites exist, adding the URLs corresponding to the phishing websites to a phishing website database. The precise collection system comprises an inquiry recording module, a ranking acquiring module, a hidden link detection module, a phishing website judging module, a phishing website collection module and the phishing website database, corresponding to the precise collection method. According to the invention, the phishing websites can be collected timely and precisely.

The invention discloses a shortwave direction finding data set labeling method based on least squares positioning. The method first uses the number of intersection points of bearing lines to screen out inferior bearing lines to obtain an initial effective bearing line set of a signal source; then, according to The mean value of the direction-finding error of each direction-finding station relative to the known position signal source is used to correct the measurement azimuth of each station; then, the optimal model of least squares position estimation is established and the optimal position of the signal source is solved by using the trust region algorithm; finally , through robust control, iteratively screen out the azimuth lines with large errors and update the azimuth line set until convergence, and finally obtain the direction-finding station combination corresponding to the effective direction lines in the set, as the most optimal signal source in the direction-finding data set Station Scheme tab. Compared with the traditional all-station fixed direction-finding mode, the invention significantly improves the positioning accuracy of the short-wave direction-finding flexible networking scheme, and reduces the task load of each direction-finding station.

The invention discloses an MMC converter sub-module open-circuit fault positioning method and a device, and the method comprises the steps: dividing a to-be-detected sub-module which may have a faultinto an input group and a cut-off group, judging whether a current cut-off phenomenon exists or disappears in each control period, judging the polarity of a bridge arm current if the bridge arm current exists, excluding normal sub-modules in the to-be-detected sub-module set continuously, so that the to-be-detected sub-module set is reduced; positioning the fault sub-module finally, switching theto-be-identified normal or faulty sub-module selectively, accelerating troubleshooting and positioning of the faulty sub-module when facing a single fault, and increasing the sub-module positioning efficiency. The technical problem that an existing open-circuit fault positioning mode is tedious in process and long in execution period, and consequently positioning efficiency is low is solved.

The invention belongs to the field of vision correction health and fitness, in particular relates to an intelligent control ciliary muscle training apparatus applicable to teenager vision correction. The training apparatus comprises a base (3) and a shell body (4); an eyepiece frame (6) and an eyepiece (7) are arranged outside the top end of the shell body (4); an object watching screen (8) is arranged inside the shell body (4); a drive motor (9), slide rails (10), slide blocks (11) and a conveying belt (12) are fixedly arranged inside the shell body (4); the object watching screen (8) is fixedly arranged on the sliding block (11); the slide blocks (11) and the slide rails (10) are in sliding connection; an optical display area (14) is arranged on the object watching screen (8), and a control module (13) is arranged on the shell body (4). The intelligent control ciliary muscle training apparatus can control the design accuracy, effectively relieve the ciliary muscle spasm of myopia patients and lower the convexity of the crystalline lens, and can effectively prevent and treat pseudomyopia and correct esophoria and exophoria.

Provided is a method for transmitting antenna port configuration information to a user equipment in a base station. The base station adopts a multi-dimensional antenna. The method includes the following steps: a, acquiring antenna port configuration information of the base station, the antenna port configuration information being used for indicating configurations of the multi-dimensional antenna of the base station; and b, sending the antenna port configuration information to the user equipment on the basis of an RRC message. According to the solution of the present invention, the base station can send the antenna port configuration information to a specific user equipment in time via the RRC message, the complexity and the calculation amount during PMI searching through the user equipment are reduced, independent and more effective PMI searching can be realized, and the performance of the system is improved.

The invention belongs to the technical field of glasses, and particularly relates to glasses for preventing vision deterioration of myopes and reducing the myopia degree. The glasses comprise a pair of glasses for near views and a pair of glasses for far views, wherein lenses of the glasses for the near views and lenses of the glasses for the far views each comprise a lens and 3 prisms which are compounded, and substrates of the 3 prisms in each lens all face the nose side. The glasses provided by the invention have the advantages that eye accommodation of the myopes can be achieved, and the problem of high eye integration of the myopes can be solved; the eyes of the myopes can autonomously generate self-repair power, so that myopia-causing factors can be eliminated, and the intrinsic neural memory problem of the myopes can be solved; the glasses look the same as ordinary glasses and can be easily adapted to, so that the myopes are willing to wear the glasses; and seamless training, seamless eye position correction, and seamless reconstruction of a biological environment for eye self-repair can be achieved during daily life and learning, so that the diopter can be gradually reduced, and the trend of visual field deterioration and vision deterioration of human beings can be further curbed.

The invention relates to a myopic eyeglass, and belongs to the eyeglass technical field. The myopic eyeglass includes a spectacle lens and a support for supporting the spectacle lens, and is characterized in that the distance between an optical center of the spectacle lens facing a left eye and that of the spectacle lens facing a right eye is smaller than a near pupillary distance of a user, equivalent to the myopic spectacle lens in the prior art combined with a prism with an external base, wherein the spectacle facing the left eye and the spectacle facing the right eye may be separated compound spectacle lenses or compound spectacle lenses united as one, or may be bifocal lenses or multifocal lenses. The myopic eyeglass not only improves the adjustment of the eyes but also improves the binocular gather, improves the observation effect of the eye, and enables the eye to feel comfortable and antifatigue.

The invention provides a silicon-on-insulator radio frequency switch device and a manufacturing method thereof. The method comprises the steps of: forming a first oxide layer, a first monocrystallinesilicon layer, a second oxide layer, a second monocrystalline silicon layer, a third oxide layer and a mask layer on a substrate; etching the mask layer, the third oxide layer, the second monocrystalline silicon layer and the second oxide layer to form a first opening and a second opening; carrying out epitaxial growth in the first opening and the second opening to ensure that the inner surfaces of the first and second openings are consistent with the surface of the second monocrystalline silicon layer; etching the mask layer, the third oxide layer, the second monocrystalline silicon layer, the second oxide layer and the first monocrystalline silicon layer to form a first groove, a second groove and a third groove; depositing plasma oxides in the three grooves to form groove isolation structures; removing the third oxide layer and the mask layer; and forming a body contact device on the second monocrystalline silicon layer. Compared with the prior art, the device and the manufacturingmethod are capable of decreasing the gathering of stray capacitance and positive electrons, restraining the floating body effect and improving the breakdown voltage at the same time.

The invention discloses a GCC-based hijack attack defense method for a fine-grained virtual function table. The method comprises the following steps: firstly, collecting a class hierarchy relation and a virtual function table corresponding to a class; secondly, constructing a legal target set; thirdly, recognizing calling points of virtual functions and carrying out instrumentation verification on the functions; fourthly, generating verification data during running; and fifthly, verifying legitimacy of calling of the virtual functions. The defense method analyzes intermediate code representation of a source program, under the condition that the accurate class hierarchy relation is obtained, specific object types of the calling points of the virtual functions and the called virtual functions are used as basis, the calling points of the virtual functions construct an accurate and legal target set, the accuracy of the hijack attack defense method for the virtual function table is improved, and meanwhile, the compatibility and performance of the defense method are also ensured.

The invention discloses a wide screen intelligent presbyopic lens and a preparation mould thereof. The lens comprises a front surface and a rear surface, the front surface and / or rear surface are free-form surfaces, and each free-form surface comprises a far-view area, a near-view area, a transition area between the far-view area and the near-view area, and astigmatic areas, which are arranged on two sides of the transition area. People who use the presbyopic lens can see things in a far distance or in a near distance, and do not obviously feel a dead zone. The presbyopic lens has the advantages of convenient fitting and indoor multipurpose use. The invention also discloses a preparation mould of the wide screen intelligent presbyopic lens.

The invention relates to a search method of mirror image web pages, which comprises: obtaining reversely linked anchor texts of web pages, computing weights of the anchor texts, according to weights, extracting the anchor texts which are provided with numbers or extracting the anchor texts which are provided with proportions, judging whether the above anchor texts are legal relative to the web pages, determining the web page of the illegal anchor texts and extracting main domains, subdomains, and first page of directory of the web page, then forming a mirror image web pages search set by the extracted web pages and searching mirror image web pages based on the mirror image web pages search set. Simultaneously the invention also provides a search system of mirror image web pages, solves problems of low efficiency of the search method of the prior art, and can simply and rapidly search mirror image web pages and has high efficiency.

The invention belongs to the field of eyesight correction eyeglasses and particularly relates to an integrated myopia correcting lens which is applicable to the adolescent and can be used for preventing and treating pseudomyopia and correcting esophoria and exophoria. The integrated myopia correcting lens comprises a circular lens body (1), wherein the circular lens body (1) is divided into an upper functional area and a lower functional area; the upper functional area serves as a distant vision area (101); the lower functional area serves as a near vision area (102); the distant vision area (101) is a concave lens; the lower functional area is a laminated toroidal lens, which is formed through laminating a toroidal prism with a thick end and a thin end and a convex lens; the refractive index n of the distant vision area (101) and the near vision area (102) is 1.5 to 1.6. According to the integrated myopia correcting lens, design accuracy is convenient to control, ciliary muscle spasm of a myopia sufferer can be effectively relieved, and the convexity of a crystalline lens can be lowered, so that the integrated myopia correcting lens can be used for effectively preventing and treating pseudomyopia and can also be used for correcting the esophoria and the exophoria.

The invention discloses a delay-dependent space-time code mode blind identification method based on characteristic quantity pre-estimation. The method comprises the steps that (1) a space-time code set is extracted to acquire a characteristic quantity set; (2) a parallel matrix and characteristic quantity function value vector quantities are calculated; (3) characteristic quantities are pre-estimated according to the characteristic quantity function value vector quantities to acquire a new space-time code set and a noise power estimation value; (4) the parallel matrix is whitened to acquire a solution correlation matrix; (5) the time-delay correlation norm of the solution correlation matrix is calculated; (6) a time-delay correlation matrix of code patterns in the new space-time code set is calculated; (7) time-delay relevance vector quantities are calculated according to parameters in the fifth step and the sixth step; (8) a code pattern corresponding to an element with the minimum value in the time-delay relevance vector quantities is chosen as a judgment code pattern. The delay-dependent space-time code mode blind identification method based on characteristic quantity pre-estimation overcomes the defect that the complexity of a system in the prior art is high due to the large calculation, widens the identification range of an existing space-time code blind identification method, and can be used for a space-time code pattern used at a blind identification sending end.

This application discloses a method and device for locating open-circuit faults of sub-modules of MMC converters. This application divides sub-modules that may have faults to be detected into two groups of input and removal, and judges the phenomenon of current interruption in each control cycle. Whether it exists or disappears, if the bridge arm current exists, judge the polarity of the bridge arm current, and constantly exclude the normal submodules in the set of submodules to be detected, thereby reducing the set of submodules to be detected, and finally locate the faulty submodule, through selective Ground switching of normal or faulty sub-modules to be identified can speed up the troubleshooting and location of faulty sub-modules in the face of a single fault, improve the efficiency of sub-module positioning, and solve the cumbersome process of the existing open-circuit fault location method, which is difficult to execute The long period leads to the technical problem of low positioning efficiency.

The present invention relates to a binocular visual environment detection system and method based on tactile perception, the system at least includes a robot body for archaeological excavation, the robot body includes a camera device, a tactile sensor and a processor, and the processor is controlled by The configuration is: based on at least two visual images with parallax values ​​collected by the camera device, the statistical characteristic loss regions adjacent to each other are divided to form a curved path for the robot body to walk, and the curve paths related to the curved path are determined by the The tactile information collected by the tactile sensor is associated with the prior information to generate a set of statistical feature points on the surface of the object, so as to compensate the features of the lost area of ​​the statistical properties to extract image edge feature points.