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475results about How to "Solve the repeatability" patented technology

Method for extracting, analyzing and searching network flow and content

The invention discloses a method for extracting, analyzing and searching network flow and content. The method comprises the following steps: shunting original flow into n data processing queues; independently processing an original data message of each data processing queue by the data processing queue, performing protocol recognition and filtration on the message and performing conversation recombination on TCP (Transmission Control Protocol) flow in the message; performing protocol resolving and decoding on a recombined TCP conversation and extracting out structured data information therein; and as for key information specified by requirements, performing searching labeling in data content extracted by a content resolving and extracting module based on a multimode matching algorithm or a search engine technology, and submitting labeling results to a searching labeling information database, thereby providing searching labeling results for multiple modes of applications. The method can be used for solving the problems of repeated data packets, serial number zero adjustment and the like in the TCP conversation recombination, realizing the character labeling for the original flow, and ensuring that a user can acquire effective information conveniently.
Owner:XI AN JIAOTONG UNIV

Single-component self-phosphatizing antirust acrylic emulsion, and preparation method and application thereof

The invention discloses a single-component self-phosphatizing antirust acrylic emulsion, and a preparation method and application thereof. Self-made epoxy monoacrylate and acrylic phosphate used as monomers are subjected to radical copolymerization with acrylic acid monomer; and a seed emulsion semicontinuous method is utilized to obtain the emulsion. The emulsion used as a film forming material is matched with related pigment, filler and assistants to obtain water-based paint. When being used on the automobile leaf spring surface, the water-based paint can be cured at 80 DEG C within 20 minutes to form a film, of which the adhesive force is Grade 0, the hardness is 3H and the salt-fog resistance is 1000 hours. The method solves the problems of poor water resistance, salt-fog resistance, weather resistance and storage stability of the coated film of the existing antirust emulsion; and the method also solves the problems of incapability of recycling ground waste, and poor antirust capacity of unit coating thickness in the existing automobile leaf spring application process, and omits the procedure of phosphatizing on the substrate surface before application due to the introduction of the phosphate monomer.
Owner:武汉海源九天新材料有限公司 +1

Tunnel convergence displacement and arch crown settlement measuring device and measuring method

The invention provides a tunnel convergence displacement and arch crown settlement measuring device and measuring method. The measuring device is mounted on a tunnel wall and comprises an alignment device fixedly mounted on the tunnel wall, a laser distance measuring sensor mounted on the alignment device and a reflector mounted on a measuring point on the tunnel wall. The alignment device comprises a base, a ball socket is arranged in the base and is in spherical fit with a ball head rotor; the ball head rotor is fixedly connected with the laser distance measuring sensor; a locking device is arranged between the ball socket and the ball head rotor. The base is fixedly mounted on the tunnel wall through an expansion screw; the thread at one end part of the expansion screw is shorter than a threaded hole in the base of the alignment device. The measuring device further comprises an external triggering line and an external triggering button which are connected with the laser distance measuring sensor. Only one measuring device is needed to finish the convergence displacement and arch crown settlement measurement of an entire tunnel; the measurement result is accurate; the requirements of multiple measuring lines, high frequency and big total quantity of tunnel convergence monitoring are met.
Owner:TONGJI UNIV +1

Preparation method for metal organic framework-derived tricobalt tetroxide-modified titanium dioxide nanotube array

The invention discloses a preparation method for a metal organic framework-derived tricobalt tetroxide-modified titanium dioxide nanotube array. The method comprises the following steps: firstly performing pretreatment on a titanium sheet substrate material; performing electrochemical treatment on the treated titanium substrate material by using an ethylene glycol solution containing ammonium fluoride and water as an electrolyte, and performing calcination by using a muffle furnace to change a titanium dioxide crystal form; secondly, performing cobalt hydroxide electrodeposition by means of athree-electrode electrochemical workstation and by using cobalt nitrate hexahydrate as an electrolyte, a titanium dioxide nanotube array as a working electrode, a platinum sheet as a negative electrode and silver/silver chloride as a reference electrode; performing hydrothermal treatment on the titanium dioxide nanotube array to form ZIF-67 in situ; and finally, performing secondary calcination byusing a muffle furnace to obtain the ZIF-67-derived porous tricobalt tetroxide-modified titanium dioxide nanotube array. The method disclosed by the invention can effectively improve absorption capacity of TiO2 on visible light, promote separation of electron hole pairs, and improve photocatalytic degradation efficiency of organic pollutants.
Owner:SUZHOU UNIV

Video GIS data retrieval method based on deep learning

InactiveCN108280233ASpeed up indexingIndex precisionNeural architecturesNeural learning methodsFrame differenceData retrieval
The invention discloses a video GIS data retrieval method based on deep learning. The video GIS data retrieval method comprises the steps of firstly, calculating Euclidean distance of a video GIS frame-frame difference under space and time sampling of video GIS data and conducting key frame extracting on a video lens; then building a deep convolutional neural network model alternatively constituted by a convolutional layer, an activating layer and a pooling layer, conducting layer-layer mapping on input video GIS frame images and achieving deep characteristic representing of the video GIS frame images; finally, conducting layered retrieval, wherein in the first layer, a Hash method and Hamming distance are subjected to coarse retrieval, in the second layer, the result of the coarse retrieval in the first layer is filtered, and the first m video GIS frame images are subjected to fine retrieval from a candidate pool. The frame difference Euclidean distance is adopted to extract key frames, so that the retrieval efficiency is greatly improved, the deep convolutional neural network model is adopted for training, characteristic representing of a higher layer is extracted, so that the retrieval time is shortened by a large margin, and storage expenditure is reduced by a large margin.
Owner:NANJING UNIV OF POSTS & TELECOMM

Text abstract generation method

The invention discloses a text abstract generation method, which comprises the following steps of obtaining the probability of commonly generating words and field words on the basis of contents of aninput text and business information of a field corresponding to the input text; and generating abstract information corresponding to the input text based on the probabilities of the common generated words and the field words and the corresponding vocabularies. The invention also discloses a text abstract generation method, which comprises the following steps of obtaining the probabilities of the common generated word, the duplicated word and the field word corresponding to the input text in real time based on the coded input text, and obtaining abstract information based on the probabilities of the common generated word, the duplicated word and the field word and the corresponding vocabulary. According to the method provided by the invention, the abstract words can be extracted based on the related service information of the corresponding domain library incorporated into the domain in combination with the related service domain, so that the abstract information of the related service process can be summarized more accurately, at the same time, the key information can be accurately identified by integrating multiple mechanisms, the fluency is improved, and the information redundancyis avoided.
Owner:IFLYTEK CO LTD

Primary and secondary unmanned aerial vehicle system for detecting and controlling crop diseases

The invention relates to a primary and secondary unmanned aerial vehicle system for detecting and controlling crop diseases. The primary and secondary unmanned aerial vehicle system includes an unmanned aerial vehicle system, a spectral acquisition system, a navigation and location system, a communicating junction system and a ground data station; the unmanned aerial vehicle system is composed ofa main engine and a plurality of auxiliary engines, the main engine carrying the auxiliary engines is controlled by the navigation and location system to fly, the best flight path and shooting hover point are planned by the ground data station, and ground images and spectra are collected in real time and sent to the ground data station; and image data collected by a multi-spectral camera is received by the ground data station and compared and analyzed with a spectral database to obtain information of crop diseases and pests to classify, the information of the crop diseases and pests is sent tothe corresponding auxiliary engines for treating the corresponding diseases, the auxiliary engines are started and fly according to a previously planned route, and spray pesticides on farmland untilthe whole crop protection operation is completed. According to the primary and secondary unmanned aerial vehicle system for detecting and controlling the crop diseases, an unmanned aerial vehicle withthe spectral acquisition system is adopted to monitor the farmland and diagnoses and treats the diseases in time, thereby saving manpower and time.
Owner:FOSHAN SHENFENG AVIATION SCI & TECH

Ga-doped InP quantum dot with core-shell structure and preparation method of Ga-doped InP quantum dot

ActiveCN108239535AMitigation of defects caused by mismatchFix poor qualityLuminescent compositionsQuantum dotLength wave
The invention provides a Ga-doped InP quantum dot with a core-shell structure and a preparation method of the Ga-doped InP quantum dot. The quantum dot comprises an InP nano-crystal core, a Ga-doped InGaP nanocrystalline middle layer and a shell layer, wherein the constitution of the Ga-doped InGaP nanocrystalline middle layer is InxGayP, and the constitution of the shell layer is ZnSezS(1-z), x / yis more than or equal to 1 and less than or equal to 9, and z is more than or equal to 0 and less than or equal to 1. The fluorescent emission wavelength of the quantum dot is continuous and adjustable in 610nm-780nm, particle sizes are uniform, and the half band width of an emission peak is obviously smaller than that of a pure InP quantum dot with the same wavelength. PH3 is taken as a phosphorus source, and the Ga-doped InGaP nanocrystalline middle layer is formed between the nano-crystal core and the shell layer, so that the defects caused due to the mispairing of crystal lattices of theInP quantum dot are relieved; and the Ga-doped InP quantum dot has the characteristics of low cost, environmental friendliness and simplicity in operation and can be widely applied to the fields of illumination, display and the like.
Owner:SUZHOU XINGSHUO NANOTECH CO LTD

Ultrasonic measured and controlled water distributing device

The invention relates to an ultrasonic measured and controlled water distributing device which solves the difficult problems of complicated allocation operation, low efficiency, limited application and the like existing in the prior art. The ultrasonic measured and controlled water distributing device comprises a sleeve pipe, a centralizer, a water-plugging packer, an ultrasonic measured and adjusted water distributor, a ball seat, a screen pipe and a screwed plug and is technically characterized in that underground ultrasonic communication units which are connected with a measurement and adjustment control unit are arranged in the ultrasonic measured and adjusted water distributor in the sleeve pipe, the measurement and adjustment control unit is respectively connected with an ultrasonic flow sensor, a pressure sensor, a temperature sensor and a regulating water nozzle driven by a micromotor, and each underground ultrasonic communication unit is respectively communicated with a ground ultrasonic communication unit by adopting ultrasonic encoding to realize data information transmission between the underground and the ground ultrasonic communication units and automatically finish the regulation on the water injection quantity of each water injection layer. The ultrasonic measured and controlled water distributing device has reasonable structural design, accurate water distribution quantity, no influence from the increase of the water injection layers and widened application range, and realizes that the distributed water flow is directly measured through wireless control by utilizing an ultrasonic communication technology.
Owner:杨忠芳

Water body total dissolved gas supersaturation generation and device for studying influence thereof on fish

The invention relates to a controllable temperature water body total dissolved gas supersaturation generation and an experimental device for studying the influence thereof on fish. The device comprises an autoclave, an air inlet, an adjusting air valve, a safe air valve, an air gauge, a water inlet, a water outlet, a water pool provided with a temperature controller, a water pump, a first ball valve, a first flowmeter and a water inlet, wherein, the autoclave, the air inlet, the adjusting air valve, the safe air valve, the air gauge, the water inlet and the water outlet are arranged on the autoclave, and the water pump, the first ball valve, the first flowmeter and the water inlet are sequentially connected with the water pool; an air compressor is connected with the air inlet; the water outlet is sequentially connected with a second ball valve, a second flowmeter and a water channel; a total dissolved gas tester and a water quality monitor are arranged outside the water channel; and the water channel is communicated with the water pool via a latex tube. The invention generates water body featuring total dissolved gas supersaturation by autoclave sealing pressurization, and the whole device adopts circulating water and controls water temperature thereof to be constant. The invention can realize the control on measurement of major physical parameters, such as water temperature,water body pressure, airation content, flow and the like, which affects total dissolved gas supersaturation generation so as to quantificationally analyze the generation principle of total dissolved gas supersaturation and study the influence thereof on fish.
Owner:SICHUAN UNIV

Management system and process for realizing electric charge collection through bank and power supply enterprise network on basis of account checking identification codes

The invention belongs to the field of information management of an electricity marketing system, and particularly relates to a management system and process for realizing electric charge collection through a bank and power supply enterprise network on basis of account checking identification codes. The management process realizing the electric charge collection through the bank and power supply enterprise network comprises three stages: first stage, transaction of a bank system and a power supply system; second stage, business account checking of the bank system and the power supply system; third stage, account determination of a power supply marketing system and a power supply financial system; the system specifically comprises the bank system, the power supply marketing system and the power supply financial system, wherein the bank system and the power supply marketing system interact through a front-end processor of the bank and power supply enterprise network, the power supply marketing system and the power supply financial system are both registered on a provincial-level SOA (service oriented architecture) service platform, and real-time data exchange between the power supply marketing system and the power supply financial system is realized on the basis of WebService. According to the system and the process, the bank system, the power supply marketing system and the power supply financial system are highly integrated, the three stages of business of collecting and account checking of the bank and power supply enterprise network are effectively and automatically undertaken, the account checking efficiency is improved, and the cost is saved.
Owner:CHINA SOUTHERN POWER GRID COMPANY +1

Automatic spraying homocentric-squares-shaped path planning method and crop protection plane spraying operation method

The invention discloses an automatic spraying homocentric-squares-shaped path planning method, which comprises the steps that S101, a crop protection unmanned aerial vehicle position coordinates of four vertices of a farmland one by one and determines a height value in operation; S102, an angular bisector of each interior angle is calculated, and position coordinates of four new points whose distances to four sides equal to a preset spraying interval are respectively determined on each angular bisector; S103, iterative calculation is performed, the four points are determined to be four vertices of a new square, four new points are worked out according to the rule in the step S102 until the length of a certain side and an opposite side thereof of a new acquired square equals to two times of the spraying interval, and position coordinates of a midpoint of the side and position coordinates of a midpoint of the opposite side are acquired; and S104, the position coordinates are successively connected according to a preset rule so as to form a homocentric-squares-shaped path, and path planning is completed. The work intensity of a pilot can be reduced through performing drug spraying according to the path, and the spraying efficiency of the crop protection unmanned aerial vehicle can also be improved.
Owner:上海圣尧智能科技有限公司
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