170results about How to "Get rid of limitations" patented technology

The invention relates to an integrated system of a mobile application platform and an Intranet-Internet data security exchange platform. The integrated system comprises an Internet service application system, a preposed server, a postposed server and the Intranet-Internet data security exchange platform, wherein the Internet service application system is connected with the mobile application platform; the preposed server is connected with the Internet service application system of the mobile application platform, and used for providing an interface for an engine service of the Internet service application system to call, providing an interface service for the Intranet-Internet data security platform to call, converting data formats, and performing data exchange with the Intranet-Internet data security platform; the postposed server is connected with an internal core service system through an enterprise service bus, and used for providing an interface for the Intranet-Internet data security platform to call, converting the data formats and performing data exchange with the Intranet-Internet data security platform; and the Intranet-Internet data security platform exchange platform is used for establishing data exchange security management and control and network isolation defense between the Internet and information Intranet to defend network attacks of the Internet. Through adoption of the integrated system, the construction cost is lowered, and the deployment capability of the Internet service application system is enhanced.

A double-barrier structure based magnetic memory device is disclosed. The double-barrier structure is used to strengthen perpendicular magnetic anisotropy or tunnel magnetoresistance ratio of a magnetic tunnel junction; meanwhile, a three-port device based on a spin orbit torque is formed by combination of metal wire at the bottom; the double-barrier structure of the magnetic memory device comprises a metal oxide barrier layer, a free layer formed by ferromagnetic metal and the other metal oxide barrier layer; a reference layer formed by the ferromagnetic metal and a covering layer formed by non-magnetic metal are deposited on the top of the structure in sequence; the top of the structure is connected with a peripheral circuit through a metal electrode; and the wire at the bottom is formed by metal materials with a larger hall angle and used for data writing. By introducing the double-barrier structure into the magnetic memory device based on the spin orbit torque, the adverse effect on the data writing caused by too high resistance can be effectively avoided, and the thermal stability and the tunnel magnetoresistance ratio of the device are improved; and the good property of the STT-MRAM is maintained by the device, and the double-barrier structure based magnetic memory device is quite suitable for industrial production.

The invention discloses an FIO-based hardware automatic testing method, and the method specifically comprises the steps: 1) manually amending test script parameters according to test requirements; 2) automatically selecting a corresponding test model by a script according to the parameters; 3) automatically testing by a measuring test module according to the parameters; 4) finishing the test and outputting a result to a log. The FIO-based hardware automatic testing method is free from the limitation of an FIO single test command, can perform read-write performance test, stability test and pressure test in a plurality of modes of a plurality of threads on a hard disk, the usability of an FIO tool is effectively improved, the test parameters and configuration files can be adjusted according to different needs, the hard disk test requirements of more and more different clients can be met, the capacity per capita of a company is greatly improved, test cost is reduced and the competitiveness is enhanced.

The invention discloses a method for modeling a generator set excitation system based on a frequency-domain method. The method comprises the following steps: (1) obtaining an excitation system model and related initial parameters; (2) extracting measured frequency domain characteristics of the generator set excitation system; (3) building a mathematical model of an excitation system; (4) initially modeling the generator set excitation system, and (5) optimizing the parameters of the generator set excitation system model. The method for modeling the generator set excitation system based on the frequency-domain method is suitable for modeling various set excitation systems and gets rid of the traditional limitation of modeling based on a time domain method. The model built based on the method can accurately reflect the parameter of each link of the excitation system and simultaneously enable the built model fully consider system important index-frequency domain characteristics neglected in the past.

The invention discloses a network quality analysis method based on SDN and a SDN system. The analysis method comprises the following steps: a SDN controller receiving a user message sent by a SDN switch, acquiring a protocol type in the user message; the SDN controller notifying the SDN switch to test according to the protocol type; the SDN switch measuring the network quality information in the message forwarding process, and reporting to the SDN controller to finish the testing. The network service quality analysis information of the message is acquired, thereby preferably providing the network service.

The invention relates to the technical field of unmanned aerial vehicles and discloses an implementation method and a control system of a headless mode of an unmanned aerial vehicle. The implementation method comprises the following steps: an handheld remote control terminal acquires direction information of the handheld remote control terminal; the handheld remote control terminal acquires direction indication information according to operation instructions and the direction of a user when a flying instruction is sent to the unmanned aerial vehicle, and carries the direction indication information in the flying instruction; and the unmanned aerial vehicle calculates flying reference front side of the unmanned aerial vehicle according to the direction information acquired by the unmanned aerial vehicle and the direction indication information carried in the flying instruction after the flying instruction is received by the unmanned aerial vehicle and executes the flying instruction. According to the method and the system, the headless mode of the unmanned aerial vehicle can be relatively simply realized, and the reference front side of a vehicle body in the headless mode can relatively simply correspond to the front side of a remote controller, so that the limit of GPS in the headless mode of the unmanned aerial vehicle is cast off, the influence of the position of the user is avoided, and the user experience of the utilization of the headless mode is improved.

The invention provides an automatic assessment method and an automatic assessment system for Parkinson's disease gait dyskinesia severity, and equipment. The assessment method comprises the followingsteps of: acquiring a gait video of a Parkinson's disease patient; processing the data of the gait video, and dividing the data into a training set and a test set so as to train and test a neural network model; and analyzing a gait video of a to-be-assessed Parkinson's disease patient by using the neural network model, so as to obtain an assessment result of the gait dyskinesia severity of the to-be-assessed Parkinson's disease patient. The assessment method for automatically assessing the severity of the Parkinson's disease gait dyskinesia by analyzing the gait video of the Parkinson's disease patient through utilizing the neural network model is provided for the first time, and compared with the prior art, the assessment method has the advantages of being convenient to operate, high in assessment efficiency and the like.

The invention discloses a detection method and system for a working state of a mining belt. The method comprises: two video frames are extracted from a video frame sequence of a mining belt and a gray scale difference value between pixel points of the two video frames at corresponding positions in a preset belt detection area is calculated, so that a corresponding gray scale difference image is obtained; averaging is carried out on gray scale values of all pixel points of the gray scale difference image in a belt detection area to obtain a detection quantity value; the detection quantity value is compared with a preset threshold value to determine a working state of the mining belt. According to the technical scheme, non-contact detection of the mining belt is realized, so that a problem that the working state detection result is affected because the reflective layer on the mining belt is covered by mineral aggregates in the prior art can be solved. Meanwhile, the detection quantity value is obtained by carrying out averaging on gray scale values of all pixel points of the gray scale difference image in a belt detection area, so that the detection result accuracy is guaranteed based on the spatial average operation.

The invention discloses a household communication system which includes a computer part and a mobile phone part. The data processing module A of the computer part is respectively connected with an embedded system, a receiving module A and a sending module, and the receiving module A and the sending module are connected with the mobile phone through bluetooth; the mobile phone Part of the data processing module B is connected with the remote control module, the receiving module B, and the alarm module respectively, and the remote control module and the receiving module B are connected with the computer through bluetooth, and the computer is connected with the communication transfer module through bluetooth; the present invention makes full use of the computer's Powerful processing and analysis capabilities and easy networking features, as well as the characteristics of easy compatibility with external devices, use the computer as the center of data analysis and processing; make full use of the portability and basic communication functions of the mobile phone, as well as the characteristics of certain data processing, and use the mobile phone as a portable The operation terminal has extremely low cost, simple operation, easy implementation, and strong functional practicability.

A multi-layer coated equipment in nanometer level which consists of the following parts: evacuated chamber, cylinder framework for clapboard with aperture, at least four pieces of clapboards which were fixed on cylinder framework, dividing the evacuated chamber into at least four disconnecting chambers, central pump-line with aperture , at least two evaporating plants and one ion source which were fixed on evacuated chamber wall, at least four work rests each of which was fixed in one disconnecting chamber separately, single-core multi-spindle magneto fluid gearing and bleeding point. All the clapboards, cylinder framework and work rests can do synchronous revolution by sharing one revolution axis. This equipment can be used to deposit multilayer membrane in nanometer level and to modulate membrane composition and thickness. Advantages are component singleness in each membrane and sharp and clear interface among different membranous layers. It can be used in surface peening of die and other parts.

The invention provides curcumin nano micelle eye drops. The curcumin nano micelle eye drops comprise curcuminoid, a chitosan nano micelle drug carrier, a surfactant, a co-surfactant and medical pure water, wherein the mass volume percentage of curcuminoid is 0.005-0.02% and the mass volume percentage of the chitosan nano micelle drug carrier is 0.01-0.1%. The curcumin nano micelle eye drops provided by the invention are good in stability, high in bioavailability and low dosage.

The invention discloses a method for detecting automobile washing cleanliness. The method comprises the following steps: selecting a transparent material as a base material, wherein the light transparency of the transparent material is P0; coating the surface of the base material with a testing solution, and drying in air so as to obtain a sample plate with a standard coating layer; testing the light transparency P1 of the sample plate; flashing the sample plate with jet water of which the water pressure, the flow velocity, the flow, the angle, the water quality and the working time are recorded, so as to remove the coating on the surface of the base material; baking the sample plate; testing the light transparency P2 of the baked sample plate; and comparing differences of the light transparency P0, P1 and P2, and analyzing a dirt removal effect. The method has the advantages that by testing the variation of the light transparency before and after the sample plate is washed, the dirt removal property of a corresponding jet water cleaning process can be represented through quantization results, the operation is simple, the process is stable, the cost is low, the result is definite, the problem of evaluating the surface cleaning property of a cleaning process can be well solved, and base material damage situations can be also observed and analyzed.

The invention, which is applied to the video monitoring field, discloses a method and a system for pedestrian retrieval based on the internet of things. The method comprises: obtaining video streams that are collected by cameras under an association scene, extracting candidate streak lines from the video streams by respectively utilizing an edge detection algorithm, and utilizing a horizontal line or a vertical line to carry out approaching on a candidate streak line meeting requirements; carrying out streak line density determination and removing a non-pedestrian interference so as to obtain a framed pedestrian position; extracting a streak clothes pedestrian inter-frame characteristic to establish a characteristic database; according to the front and back position relation of cameras under the association scene, selecting a to-be-retrieved streak clothes pedestrian in a current camera, extracting the position and the characteristic, and carrying matching and ordering on the extracted position and the characteristic and the characteristic database in a previous camera in a certain time range, so that a pedestrian retrieval result is obtained. According to the embodiment of the invention, a streak clothes pedestrian retrieval technology based on an internet of things concept and multi-camera information is employed; and compared with the prior art, the employed technology enables a streak clothes pedestrian to be identified rapidly and efficiently, thereby well meeting demands on traffic enforcement by the police.

The present invention relates to the field of lawn mower equipment, in particular to a height adjustment device for a lawn mower, including connectors, screw assemblies, hollow columns, hinges, movable rods, spring tubes, decks, roller assemblies, cross bars, pillars, Ribs, limit blocks, position adjustment springs, bases, bearings, connecting rods, collars, fastening screws and lawn mower rods, screw components are arranged on the connecting parts, hollow columns are arranged at the bottom of the connecting parts, hollow columns There is an opening on the top, and a fixed plate is arranged on the top of the opening. The fixed plate is hinged with the hollow column through a hinge. The fixed plate is provided with a triangular block, and the movable rod is inserted into the hollow column. Replacement and maintenance, its adjustment function can be applied to a variety of terrains, the adjustment of the mowing height saves time and effort, and has multiple shock absorption effects, which well protects the integrity of the device and the mower bar, and prolongs the service life , has strong practicality.

The invention discloses a television system and a method for realizing a television value-added service thereon, wherein the television system comprises a television body, a television value-added service management module and a plug-in device; a television value-added service application is stored in the plug-in device; and the management module and the plug-in device are interacted, and the television value-added service application in the plug-in device is associated with the television body so as to operate the television value-added service application on the television body. In the invention, the plug-in device is associated with a television through the management module, so that the television value-added service application can operate on the television without placing the television value-added service application in the television body, the television value-added service application thoroughly gets rid of the limitation of the television system, and the flexibility of the television value-added service application is improved.

The invention discloses a vehicle control system simulation testing method and system. The vehicle control system simulation testing method comprises the steps that launching vehicle parameters are collected, a launching vehicle mathematical model comprising a testing unit, a sensing unit and an executing unit is established according to the collected launching vehicle parameters, and simulation testing software is written for the launching vehicle mathematical model; the simulation testing software is started, the testing unit receives electromagnetic valve control instructions sent by an external main control unit, the electromagnetic valve control instructions are determined to be effective, the operation amount corresponding to the electromagnetic valve control instructions is calculated and stored, and calculated operation amount information is output; the main control unit generates operation control instructions according to the received operation amount information, a presser operation amount threshold and the fact whether in-place indication information output by the sensing unit is received or not and outputs the operation control instructions; the testing unit controls the executing unit to conduct testing operation according to the received operation control instructions. Through the application of the vehicle control system simulation testing method and system, the testing cost can be lowered, and the time needed for testing can be shortened.

The invention belongs to the technical field of solar thermal collection and discloses a solar thermal collector thermal performance parameter and circular flow measuring device and method. According to the arrangement, a complicated and expensive flow sensor is not required, and the measuring device is composed of a first temperature sensor, a second temperature sensor, a third temperature sensor, a fourth temperature sensor, an irradiatometer and a data recording and processing module. The measuring method includes performing field measurement to obtain a flow temperature in a vacuum tube, collector inlet and outlet temperatures, environment temperature, irradiation of the collector plane and data collecting time, and calculating thermal loss coefficient, effective thermal gain coefficient and circulation flow of the glass vacuum tube solar thermal collector. The solar thermal collector thermal performance parameter and circular flow measuring device and method has the advantages that measuring process is simple and convenient, field measurement is realized, and high practicability and university is achieved.

The embodiment of the invention provides an address book contact searching method, an address book contact searching device and a computer readable storage medium. The address book contact searching method comprises the following steps: receiving a voice dialing instruction; extracting a contact word slot from the voice dialing instruction; accquiring information of an address book; utilizing a named normalization model to match the information of the address book with the contact word slot; and determining a corresponding contact person of the voice dialing instruction in the address book according to a matching result. According to the embodiment of the invention, the normalized model can be combined with the common expression mode and the user habit, so that the limitation of searching for the original word slot information of the contact person is avoided. The corresponding contact person can be correctly locked in the address book according to the habit of the user, and the user experience is good.

The application discloses an address mapping method, an address mapping system, an address mapping advice and a computer readable storage medium. The address mapping method includes the steps of acquiring physical memory location information of a target physical memory, and finding a target status register address corresponding to the physical memory location information of the target physical memory in the corresponding relationship between preset physical memory location information and a status register address. The address mapping method is characterized in that after the physical memory location information of the target physical memory is obtained, the target state register address corresponding to the physical memory location information of the target physical memory can be found directly. Compared with the prior art, the address mapping method has the advantages of getting rid of the limitations of professional staff's own accumulated knowledge or technical documents on calculating the status register address to a certain extent, and improving applicability. The further-provided address mapping system, the address mapping device and the computer readable storage medium alsosolve corresponding technical problems.

The invention provides a portable electrocardiogram monitoring system which comprises a signal monitoring unit and a computing unit. The signal monitoring unit comprises a control unit, an electrode end and a lead wire for connecting the electrode end and the control unit. The computing unit comprises a wireless data receiving unit, a data processing unit, a storage unit and a display unit, wherein an electrocardio-signal acquired by the signal monitoring unit is transmitted to the data processing unit through the wireless data receiving unit of the computing unit, the data processing unit extracts the electrocardio-signal by means of an electrocardio-signal extracting algorithm and meanwhile transmits the electrocardio-signal to the storage unit and the display unit, and the display unit is used for displaying an electrocardiogram. The portable electrocardiogram monitoring system is provided with a wireless transmitting-receiving module by optimizing a circuit structure, limitation of a mode that the lead wire is connected with a display terminal is eliminated, sensing and the electrocardiogram displaying can be separated, and convenience is achieved. The portable electrocardiogram monitoring system is further provided with a single chip microcomputer and the like, a using range of the system is widened, and domestic usage and other applications are facilitated.

The present invention relates to an adjustment system and method for the pointer of a smart watch. The system comprises a crown, an optical tracking surface sensor and a processor; the crown comprisesa crown head and a shaft rod; the crown head is used by a user to press the crown to move in a Y direction; the shaft rod is fixedly connected to the crown head; the shaft rod rotates along the central axis of the shaft rod when the crown head rotates; the optical tracking surface sensor deviates from the shaft rod by a distance and is used for tracking the movement of the shaft rod; and the processor can calculate motion detected by the optical tracking surface sensor.

The invention discloses a space fixed-axis milling machining method for an integral titanium alloy air compression impeller. The space fixed-axis milling machining method comprises the following stepsthat firstly, impeller roughening is conducted, wherein 1), modeling is conducted, a cavity structure between adjacent blades is determined, and modeling is conducted; 2), area division is conducted,and an impeller blank is divided into multiple areas; and 3), directional programming is conducted, one tool axis direction suitable for single-area milling is determined, then, the determined tool axis direction is fixed, the feed path suitable for the area is programmed in the direction, finally, blank milling simulating in the area is finished, a practical program suitable for machine tool machining is processed, the process is repeatedly conducted on each area, and integral impeller roughening is finished; secondly, blade finish milling is conducted; and thirdly, runner finish milling isconducted.

The invention discloses a novel PZT-based ultrasonic contactless energy transmission system, which comprises a power supply, an oscillation circuit, a transmitting PZT transducer, a receiving PZT transducer, an energy collection interface circuit and an energy management module, wherein the power supply, the oscillation circuit and the transmitting PZT transducer form a transmitting end of energy transmission, and the receiving PZT transducer, the energy collection interface circuit and the energy management module form a receiving end of energy transmission; and the transmitting PZT transducer resonates with the receiving PZT transducer for transmitting energy. The novel PZT-based ultrasonic contactless energy transmission system adopts ultrasonic waves as a coupling medium, and achieves the contactless transmission of energy through the resonance between the ultrasonic transmitting and receiving piezoelectric ceramic transducers. The novel PZT-based ultrasonic contactless energy transmission system can get rid of the limitations of diaphragm power transmission by taking the ultrasonic waves as a medium, and can perform contactless power transmission within a certain effective distance range.

The invention discloses an R-CNN-based intelligent electric meter numerical value identification method. The method comprises the steps of offline training: collecting a large number of ammeter pictures shot by a camera, preprocessing ammeter picture samples by using an image preprocessing method, and adding labels to the samples to facilitate network learning, the labels being set as reading values of a dial plate to obtain a network for identifying the dial plate; extracting a position area of an ammeter dial, and generating a series of candidate areas through a selective search algorithm; inputting a zoomed picture of each candidate area into an R-CNN network for feature extraction, identifying whether the candidate area picture is a target area, namely an ammeter dial area, through anSVM network, identifying dial information through a multilayer R-CNN network and a full connection network, and outputting a finally identified ammeter reading. The recognition method provided by theinvention can quickly and accurately recognize the reading of the electric meter, is very small in limitation on the electric meter image, and is good in practicality.

The invention relates to the field of biological control, and in particular relates to a biological assay method for cotton aphid. The method comprises the following steps: (1) filling agar into a flat-base U-shaped test tube, sealing a bottle mouth with a sealing membrane and placing the bottle in a greenhouse; (2) collecting the second unfolded leaf at the top of cotton, and enabling the leaf stem to penetrate through the sealing membrane of the bottle mouth so as to immerse the leaf stem in water in the U-shaped bottle; (3) inoculating natural cotton aphid population collected from a cotton field on the leaf; and (4) cultivating and investigating the survival quantity of aphid, carrying out statistic analysis, and calculating aphid harm index and aphid harm index reduction rate as well as the resistant level to aphid. The method is short is time, simple and convenient, easy in operation and accurate and reliable.

The invention discloses a weak supervision target positioning method and device based on shallow feature background suppression. The method comprises the following steps: acquiring an image data set; constructing a target positioning classification network based on a neural network, wherein the target positioning classification network comprises a classifier, a generator and an evaluator; the classifier generates a shallow feature map and initializes a generator to obtain a foreground activation map; performing point multiplication on the foreground activation image and the shallow feature image, inputting into an evaluator to obtain a classification result, and calculating foreground cross entropy loss of the classification result and an original label; performing background principal component analysis on each image in the training data set by using a PCA method, obtaining a background activation image through clustering, and inputting the background activation image into an evaluator to calculate background classification loss; foreground-background confrontation loss is introduced, a Transform auxiliary generator is used for learning, and a total loss function is obtained; and inputting a test data set to obtain a positioning result. According to the method, shallow feature information is utilized to suppress the background to train the target positioning network, classification and positioning tasks are unbound, and the limitation of classification on the positioning effect is avoided.

The invention discloses a belt motion state monitoring method based on video processing, and belongs to the technical field of motion detection. The method comprises the following steps: firstly, preprocessing a video, and then detecting a moving object; setting a zone bit according to the area of a motion area in the video, and judging whether the belt in the current video frame is dynamic or static; defining a state machine to realize dynamic conversion of four motion states of the belt, and then judging the state of the current video frame according to the flag bit and the accumulated valueof the flag bit, so that the motion state of the belt is judged and an alarm is given in real time. According to the invention, the non-contact detection of the belt is realized, the normal operationstate and the no-load operation state of the belt can be judged and distinguished, the support of a laser emitter and hardware equipment is not needed under the condition of ensuring the accuracy ofthe detection result, and the implementation cost of monitoring the motion state of the belt is reduced.

The invention discloses a household automatic air purification system. The household automatic air purification system comprises an air purifier arranged outdoors, an air feeding pipeline and an air return pipeline. The air purifier is provided with a fresh air inlet used for sucking external atmosphere, an indoor air inlet used for sucking indoor air and an exhausting port used for exhausting purified clean air to the outside. The air feeding pipeline connects the air exhausting port of the air purifier with indoor space to feed the clean air exhausted by the air exhausting port of the air purifier into a room; the air return pipeline connects the indoor air inlet of the air purifier with the indoor space to feed the indoor air into the air purifier for purification. The use defect in the market that the purification effect can be improved only by closing doors and windows is overcome, the situation that the content of carbon oxide is increased and the content of oxygen is decreased indoors is prevented, the limitation that air can be purified only through a central air conditioning system is broken through, the purification area is increased, and loss of indoor useful space is reduced.

The invention discloses a cultivation technique of Sparus macrocephalus fry, comprising the specific steps of sterilizing and washing a cultivation pond, and injecting cultivation sea water; applying fertilizer into the cultivation pond, and keeping transparency to 30-40 cm; subjecting female and male parents of Sparus macrocephalus to mixed culture to obtain fertilized eggs, and hatching; stocking fry, and cultivating according to a feeding rate that is 3-5% by mass of fed objects under the feeding frequency of 5-7 times per day, with lighting constantly 13-15 hours per day; adding a disease- and pest-resistant immunizing agent. The cultivation technique has the advantages that water can be kept fresh in the cultivation technique so that a good growth environment is provided for fry cultivation; sufficient nutrients can be provided for fry, and Sparus macrocephalus fry with good growth condition and high product quality can be cultivated; resource utilization rate is high, zero environmental pollution is caused, the cultivation period is short, and the cultivation technique has high economic benefit and social benefit and has a promising development prospect.