766 results about "Computer data processing" patented technology

A method for carrying out CT safety detection on liquid by radioactive source includes setting detected liquid article on rotary platform, emitting ray on liquid article by radioactive source and passing ray through said article to be received by detector and data collector just facing ray beam and to be formed as projective data, transmitting projective data to computer data processor for obtaining liquid density of detected liquid article, comparing obtained density to density of dangerous article stored in databank and displaying detection result of detected liquid article in direct ¿C viewing way.

The invention relates to a net screen coding control method which can record plenty of data on paper. It includes net screen code embedding device which is composed by computer data process module, net screen code embedding module, key encryption module and printout module; net screen code reading device which is made up with scan input module, key decryption module, net screen code identification module and data storage module. The two devices make a system which can recode plenty of data on paper. Adopting the invention, plenty of data storage and net screen code which can recode plenty of data is realized through printing on paper or press. And confidential files' encryption and decryption is realized by using electronic files' method. Under condition of same area with two dimension bar code, the code method can record nearly ten times of information than two dimension bar and there is no limitation on occupied space and Chinese character record. It also resolves the problem of information loss because of local pollution. Data information can be embedded into image to resolve image quality destruction.

A method of automating the deployment of a number of enterprise applications on one or more computer data processing systems. Each enterprise application or update is stored in a dynamic distribution directory and is provided with identifying indicia, such as stage information, target information, and settings information. When automated enterprise deployment is invoked, computer instructions in a computer readable medium provide for initializing deployment, performing deployment, and finalizing deployment of the enterprise applications or updates.

A CT method and an apparatus for liquid safety-detection with a radiation source relate to a radiation imaging detecting technology field. The invention comprises using a radiation source, a detector and data collector, a computer data processor; and the main steps are: 1) a liquid article to be detected being placed onto a rotary platform which is rotatable; 2) the ray emitted from the radiation source passing through the liquid article, and being received and formed into projection data by the detector and data collector; and 3) the projection data being transmitted to the computer data processor, which processes it to obtain the liquid density of the detected article, compares the result with the densities of dangerous articles in a current database, and then visually displays the detected information of the detected liquid article. Comparing to the prior art, the invention has a small volume, a strong anti-interference, a high accuracy of detection, an easy shielding, and a high use safety and reliability.

The invention provides a tester for the bearing and plugging strength of a mud cake under high temperature and high pressure, which can simulate the static conditions in a well and test the invasion depth of slurry filter liquid, bearing strength of mud cake, plugging and bearing strength against cracks in drilling for oil (gas) wells. The tester essentially comprises a mud-cake performance evaluation and test vessel assembly, a pressure pipe system, a temperature control system, a displacement record system, an automatic cleaning system and a computer data processing system. The tester allows all-sided simulation of the temperature, pressure and stratum features (seepage) under a well, determination the plugging and bearing strength of mud cakes, optimization of drilling fluid, rapid and safe drilling, therefore the tester is of a very wide application prospect.

The invention relates to a high-temperature high-speed test method for a sealed bearing, which comprises the following steps of: firstly designing a testing device, installing two sets of testing accompanying bearings on a testing main shaft, and pretightening through a set of spring and a pressure ring; installing the two sets of testing bearings at the left end and the right end of the testing main shaft, connecting an electric main shaft through a shaft coupling and additionally covering a shield; starting cooling circulating water, adding cooling water into a loading sleeve, starting a hydraulic station, an electric main shaft variable-frequency driving system and a computer control system, applying 20-30 percent of the maximum axial test load and 20-30 percent of the maximum radial test load to the testing bearings, starting the electric main shaft to reach 15-20 percent of the highest rotational speed and running for 15-25 minutes after the heating temperature reaches a set value, and then sequentially adding axial loads and radial loads and increasing the rotational speed of the electric main shaft so as to reach the highest rotational speed when the power consumption current of the electric main shaft tends to be steady; and carrying out computer data processing for the data and images in different time periods of the whole testing process and working out a test conclusion.

The invention relates to the field of computer data processing technology, in particular to a method for judging the standardization of writing Chinese characters. The method comprises six parts of: collecting and recording the stroke tracks of writing Chinese characters; mapping the tracks of writing Chinese characters into a scale coordinate system with a size same as that of a template Chinese character; extracting writing track key points by adopting a Douglas-Peucker algorithm; obtaining the feature vectors of all the strokes according to the obtained key points; matching the stroke features: dynamically planning and matching each stroke of writing the Chinese character with a corresponding stroke of a corresponding Chinese character in a Chinese character standard template feature library; and comprehensively judging the standardization of writing Chinese characters by adopting a decision tree method. The invention can overcome the negative influences caused by subjectivity and the fatigue caused by artificially judging Chinese characters, and can judge the standardization of writing Chinese characters.

The invention relates to a dynamic angle measurement error detector used in a photo-electric axial angle encoder. A fixation part of a to-be-tested encoder is arranged on a base of the detector, a rotary part of the to-be-tested encoder is connected with a revolving shaft by a coupling joint, a polyhedron is fixed on the revolving shaft of the detector, a dynamic signaling autocollimation aims at a reflecting surface of the polyhedron, and a rotator of a torque motor is connected with the revolving shaft. During the detection, the torque motor is controlled by a computer to continuously rotate at a certain speed, and the revolving shaft, the rotary part of the to-be-tested encoder and the polyhedron are driven to rotate by the torque motor. When one operating angle of the polyhedron is turned, and the operating surface of the polyhedron is perpendicular to an optical axis, a trigger circuit sends out trigger impulses. Encoder values can be sampled after a data acquisition system probes trigger impulse signals. After the rotary part of the to-be-tested encoder rotates a circle, a group of sampling values can be obtained, and dynamic angle measurement errors of the to-be-tested encoder can be calculated by a data-processing system of the computer. The dynamic angle measurement error detector can be used for detecting the dynamic errors of the photo-electric axial angle encoder and has higher precision.

The invention discloses a swimming pool drowning alarm device which consists of a drowning detection device A, a handhold alarm device B and a computer data processing unit. The drowning detection device A is worn on the head of a swimmer, the handhold alarm device B is used by the lifeguard, the computer data processing unit C is used by the management personnel of the swimming pool. Under normal condition, the drowning detection device A sends signals to the handhold alarm device B and the computer data processing unit C at fixed time. When the head of the swimmer is immerged into the water, the drowning detection device A does not send any signal, a timing circuit of the drowning detection device A and the handhold alarm device B as well as the computer data processing unit C is started, the swimmer is judged as the drowning if the given time reaches and the swimmer still does not come out from water. At this time, the drowning detection device A flashes and flickers to display the position of the drowner, the handhold alarm device B and the computer data processing unit C make a sound-light alarm to remind the crowd around, the lifeguard and the management personnel of the swimming pool to implement rescue to the drowner.

A splicing-interference-detection aspheric surface shape apparatus using a distorting lens and a method thereof belong to the optical detection technology field. In the invention, an interference detection system, a distorting lens compensation system, a mechanical adjusting mechanism and a computer data processing module are included. The method comprises the following steps of step1, constructing a splicing interference detection apparatus using the distorting lens; step2, dividing a subaperture; step3, removing to a position of the subaperture to be detected and adjusting a distorting lens surface shape or a refractive index according to modeling and interference fringes; step4, carrying out subaperture interferogram acquisition processing; step5, carrying out subaperture backhaul error correction; and step6, carrying out full aperture surface shape splicing. In the invention, the distorting lens and the subaperture splicing interference detection method are combined; the subaperture number needed by full aperture coverage can be effectively reduced and effective areas of each subaperture and an overlapping region are increased; a problem that the overlapping region is small so that splicing precision is influenced is solved.

The invention relates to a computer data processing method, in particular to a method for restoring computer data of a power consumer electricity-utilization information acquisition system. The main points of the method are that: the method comprises the steps of: (1), pre-processing a history electricity-utilization load and a temperature data, (2), building models related to summer temperature and a power load, wherein m and n are parameters and v is a residual set,(3), calculating coefficients rho related to the summer temperature and the load, (4), considering dependence of the data to be predicted corresponding to numerical values in the last week according to the summer temperature data and relevance of the summer temperature data and the load, and obtaining a final load prediction value. The invention provides a short-term prediction method for electricity-utilization load in summer with high accuracy and strong practicability.

A method for automatically optimizing the technological parameters in rolling metallic plate or band features use of an automatic control system composed of an in-line automatic measuring unit, a network communication unit and a data processing unit with computer. It includes measuring the rolling force F and advancing value fs, inserting them in a dyadic high-order non-linear equations to find out deforming resistance K and friction coefficient Mu, adaptive learning of the calculation module, and optimizing.

The invention discloses a distributed optical fiber grating anchor rod group stress monitoring system for a coal mine roadway, and belongs to anchor rod group stress monitoring systems for coal mine roadways. Each of a mining roadway anchor rod support stress monitoring subsystem, an excavation roadway anchor rod support stress monitoring subsystem and a working face open-off cut anchor rod support stress monitoring subsystem comprises one or more monitoring substations; the communication optical fibers of the three subsystems are connected with a mineral transmission optical cable through an optical fiber connecting box; the mineral transmission optical cable is connected with an input port of an optical fiber grating static demodulator; an output port of the optical fiber grating static demodulator is connected with a computer data processing system; processed monitoring data is shared with a ground computer through a server and a coal mine local area network, so that the online real-time anchor rod group stress monitoring system for the coal mine roadway is formed. An anchor rod group stress monitoring network taking anchor rods as sensing media and optical fibers as transmission carriers adopts a tandem structure; the anchor group stress is measured in a distributed way; the mounting operation is convenient; the labor, the time and the effort are saved; the monitoring expense is reduced.

The invention relates to the field of data acquisition and processing, in particular to a multichannel data acquisition instrument based on time synchronization. In order to solve the problems in the prior art, the multichannel data acquisition instrument based on time synchronization is provided. The multichannel data acquisition instrument is used for data acquisition after being subjected to time correction through a VCO adjusting module, an FPGA and a processor are in parallel connection to conduct data transmission, data collected by a sensor are stored in a memory, data of a data storage chip are read to conduct subsequent data processing, or data interaction is conducted through an internet access and an upper computer, and upper computer data processing is conducted. According to the multichannel data acquisition instrument based on time synchronization, the processor, an FPGA control circuit, an analog-digital conversion and conditioning circuit and a sensor circuit are in mutual connection, and the design of the multichannel data acquisition instrument is achieved. The data acquisition instrument based on time synchronization is applied to the field of high-speed data acquisition.