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150 results about "Analysis study" patented technology

Study | analysis |. is that study is (obsolete) a state of mental perplexity or worried thought while analysis is a process of dismantling]] or [[separate|separating into constituent elements in order to study the nature, function, or meaning.

Test element analysis system

Test element analysis system for the analytical investigation of a sample, in particular of a body liquid of human beings or animals, comprising test elements (2) with a carrier film (5) and a test field (7) fixed to the flat side (6) of the carrier film (5), the test field (7) containing a reagent system the reaction of which with the sample (21) leads to an optically measurable change in the detection zone (24) which is characteristic for the analysis, and an evaluation instrument with a measuring device for measuring the optically measurable change. In order to obtain a very high measuring accuracy and an easy handling at the same time, the carrier film (5) of the test element (2) comprises a light guide layer (26), the detection zone (24) of the test field (7) is in optical contact to the light guide layer (26) in a coupling out zone (33), enabling the coupling out of light from the light guide layer (26) to the detection zone (24), the primary light (29) of the light emitter (16) is coupled into the entry surface (31) in the light guide layer (26) in such a manner that a light guide section (32) of the light path of the primary light (29) runs between the entry surface and the detection zone (24) inside the carrier film (5), and the secondary light is reflected from the detection zone (24) into the light guide layer (26) in such a manner that a light guide section (34) of the light path of the secondary light runs between the detection zone (24) and the detector (17) inside the light guide layer (26).
Owner:ROCHE DIAGNOSTICS GMBH

Water environment monitoring and quality-control data analysis method

The invention belongs to the field of data analysis, and in particular relates to a water environment monitoring and quality-control data analysis method. The method is characterized by comprising the following steps of: a, acquiring water environment quality-control data to be verified; b, establishing a support vector machine water environment quality-control data forecasting module; c, comparing the quality-control data output with quality-control data in historical data which is identical in analysis method and instrument type, to obtain a deviation; and d, determining whether the verification of the data passes or not by the following specific steps of: judging that the data is rational and the verification passes if the deviation is not high, and adding into a historical dataset; or if the deviation is excessively high, classifying the data as suspect data. According to analysis research method disclosed by the invention, in analysis of the water environment monitoring and quality-control data, the problem on processing, verification and analysis of various rapid increasing and nonlinear multivariable monitoring and quality-control data is solved, and the demand of scientific management is met.
Owner:JIANGSU ENVIRONMENTAL MONITORING CENT

Time domain dynamic characteristic analysis-based intra-vehicle sound quality prediction method

The invention belongs to the technical field of sound quality prediction in vehicle vibration and noise analysis and control and relates to a time domain dynamic characteristic analysis-based intra-vehicle sound quality prediction method. With the method adopted, the problem of incapability of current intra-vehicle sound quality analysis researches to describe the time domain dynamic characteristics of intra-vehicle sound environment in vehicle regular driving can be solved. The method includes the following steps that: 1, a sound acquisition device is utilized to acquire an intra-vehicle sound signal sample; 2, framing and windowing processing is performed on the intra-vehicle sound signal sample; 3, a subjective evaluation test is performed on the intra-vehicle sound signal sample; 4, sound quality objective psychological acoustic parameters are calculated; 5, the time domain dynamic characteristic indexes of the objective psychological acoustic parameters are calculated, wherein the indexes include the variances of the objective psychological acoustic parameters and the ranges of the objective psychological acoustic parameters; 6, an intra-vehicle sound quality objective comprehensive evaluation model is established; 7, the output value of the sound quality objective comprehensive evaluation model is compared with a subjective evaluation value; and 8, a test sample is utilized to verify the model.
Owner:JILIN UNIV

An inversion method for laser radar data of atmospheric particulate matter particle size spectrum spatial and temporal distribution

ActiveCN103234877AAchieving Simultaneous ExtractionGet Optical PropertiesParticle size analysisParticulatesExtinction
The present invention discloses an inversion method for laser radar data of atmospheric particulate matter particle size spectrum spatial and temporal distribution. The method comprises: by measuring back scattered echo signal of atmospheric particulate matters via laser radar, accurately inverting to obtain extinction coefficients of atmospheric particulate matters in three wavelengths of infrared, visible and ultraviolet bands at different heights from the ground; building lognormal distribution spectral functions of four aerosol components and parameters thereof, for obtaining refractive indexes at different bands of different aerosols and the mixing ratio of the four aerosol components in different aerosol modes; obtaining the particle size spectrum normalized at 0.55 micron of the extinction coefficient of each aerosol basic component, and comparing with a standard spectrum for authentication; and finally performing iterative calculation to the extinction coefficient spectrums obtained by laser radar surveying to obtain the aerosol mixed volume ratio of each height, thus obtaining atmospheric particulate matter particle size distribution of different heights at different times. According to the inversion method of the invention, valid data are provided for analysis and study of particle properties and variation patterns, especially, an effective means for spatial and temporal change detection for the particle-size spectrum of the atmospheric particulate matters is provided, and active three-dimensional telemetry technology suitable for atmospheric particulate matter particle size distribution is established.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Short-time traffic flow prediction method considering spatial-temporal correlation

ActiveCN106971547AImprove accuracyOvercome the inadequacy of not being able to make full use of spatio-temporal featuresDetection of traffic movementSpatial correlationPresent method
The invention relates to a short-time traffic flow prediction method considering spatial-temporal correlation. The influence of temporal correlation on the traffic flow of a target detection point is considered, and a short-time traffic flow temporal correlation prediction value is acquired; the spatial correlation of the object traffic flow is analyzed and researched by using a hierarchical clustering method, and multiple key spatial correlation points are determined; the influence of the traffic flow of the spatial correlation points on the traffic flow of the target detection point is considered, and a short-time traffic flow spatial correlation prediction value is acquired; the temporal correlation prediction value, the spatial correlation prediction value and the prediction value of the present method are integrated by using an "entropy method" so that the final prediction result of the short-time traffic flow of the target detection point is generated; and the prediction error is evaluated and analyzed according to the prediction result of the traffic flow and the actual traffic data. According to the method, the defect of the present method that the spatial-temporal characteristics cannot be fully utilized can be overcome, and the spatial-temporal correlation prediction result and the prediction result of the present method can be further integrated so that the accuracy of the short-time traffic flow prediction result can be effectively enhanced.
Owner:FUZHOU UNIV

GMS (groundwater modeling system)-based forecast method for ground water seepage fields at different mining levels of mining area

The invention discloses a GMS-based (groundwater modeling system) forecast method for ground water seepage fields at different mining levels of a mining area. The method comprises the steps that through performing analytical investigation on hydrogeological conditions of an area, boundary conditions and water containing bodies are generalized, ground water runoff conditions are analyzed, and coefficients of each source sink term are determined; the GMS is adopted to perform finite difference grid division on a simulation area, an initial water head is determined based on the water level of an observation well, hydrological parameters of each simulation sub-area are determined based on a pumping test and the provided data, hydrological module types of the source sink terms in the area are analyzed, assignment is performed on a corresponding hydrogeological map layer by combining the determined source sink term coefficients, and then a subarea map of the osmotic coefficients at different mining levels is obtained; prediction models for ground water seepage fields of a mining area are established based on GMS, and the observation data is utilized to adjust the hydrogeological parameters of the models, and finally, simulation is performed by combining with the discharge capacities at different mining levels to obtain the ground water seepage fields at different mining levels. The method has the advantages of convenience in operation, excellent three-dimensional visualization function and reliable result.
Owner:CENT SOUTH UNIV

Classification method of microscopic pores on mud shale

The invention discloses a classification method of microscopic pores on mud shale. The classification method comprises the following steps: according to the basic form, observing the sizes of the pores under a microscope and classifying the pores into microscopic pores and microscopic cracks; according to the origins, classifying the microscopic pores into organic-matter pores, protogenic intercrystalline (grain) pores and secondary dissolved pores; according to a position relation of matrix components and particles around the microscopic pores, carrying out detailed classification on the microscopic pores; according to the origins, observing the characteristics of the pores under the microscope, and classifying the microscopic cracks into bedding cracks, construction cracks, corrosion cracks, diagenetic shrinkage cracks and overpressure cracks and the like. The classification method disclosed by the invention has the advantages that a classification method of microscopic reservoir space of the mud shale based on a 'form-origin-component' comprehensive classification scheme and following the three-stage classification principle, and a set of effective representation scheme is provided for studying the reservoir space of the reservoir of the mud shale, so that convenience is brought for further showing the relation between different pore types and the reservoir performance, and the application prospect in unconventional oil-gas exploration and development is wide.
Owner:马存飞

Community comment emotion tendency analysis-based mobile phone game ranking list construction method

The invention discloses a community comment emotion tendency analysis-based mobile phone game ranking list construction method. The method comprises the following steps of: 1) pre-processing an evaluation text input by a user; 2) carrying out word segmentation and part-of-speech tagging on pre-processed mobile phone game comments; 3) selecting high-frequency emotion words as emotion characteristics so as to generate all characteristic vectors required by machine learning; 4) inputting the characteristic vectors and evaluation polarity labels into an SVM classifier to carry out model training; (5) arbitrarily inputting a segment of evaluation text by the user, and after carrying out operations of word segmentation, part-of-speech tagging and characterization, automatically carrying out evaluation polarity estimation on the evaluation text by a training model of the SVM classifier; and (6) generating an evaluation situation corresponding to each mobile phone game, and constructing a corresponding mobile phone game positive comment ranking list according to the quantities of positive comments and negative comments. The method for researching the comment polarity through emotion tendency analysis can extend to various fields and has wide application prospects.
Owner:SOUTH CHINA UNIV OF TECH

Industrial robot joint rigidity modeling method which considers contact

ActiveCN107545127AAccurate Theoretical Estimation of Joint StiffnessProgramme-controlled manipulatorSpecial data processing applicationsContact pressureAnalysis study
The invention discloses an industrial robot joint rigidity modeling method which considers contact, and belongs to the field of industrial robot dynamic characteristic analysis study. By extracting key contact structure characteristics of each industrial robot joint, contact structures are assumed to be spring structures with a certain torsional rigidity, and an equivalent system model of all thejoints is built. According to measurement data, based on a power spectrum density method, three-dimensional surface fractal parameters and surface roughness parameters are calculated. All the contactstructures are subjected to stress analysis, and all contact pressure values corresponding to different joint input torques of the contact structures are calculated. By building an equivalent torsional rigidity model of springs in parallel connection and by making all contact rigidity and a reducer rigidity connected in parallel, a joint equivalent torsional rigidity is calculated. Through the combination of a fractal theory and structural stress analysis, an industrial robot joint rigidity model is built, by considering a contact rigidity, a more accurate theoretical estimation joint rigidityis calculated, and a certain method basis is provided for dynamic error compensation analysis at the tail end of the robot.
Owner:BEIJING UNIV OF TECH

Determination method for transfer behaviors index of fatty acid spices monomer in cigarette

InactiveCN101261252AThe calculation formula is simple and practicalThe analysis method is simple and convenientComponent separationFlavorAnalysis study
The invention relates to a method for measuring the transfer behavior indexes of fatty acids perfume monomers in cigarettes, which is characterized in that by utilizing a simultaneous distillation extraction device and a gas phase chromatography the method makes a gas phase chromatograph analysis on the distribution of the fatty acids perfume monomers injected into the cigarettes in tobacco rods and the transfer behavior of cigarettes after being smoked towards a mainstream flue gas particle phase and a filter tip, that is, an analyzing method is used for analyzing and determining the amount of fatty acids in the cut tobacco, the filer tip and the cigarette paper of a flavoring cigarette and a blank cigarette before being smoked and the amount of fatty acids in the mainstream flue gas particle phase and the filer tip of a flavoring cigarette after being smoked so as to obtain detection values; then a calculation formula of a research index is used for calculating, and furthermore, the transfer index of the fatty acids perfume monomers above C6 which are injected into the cigarettes in the cigarettes is determined. The method has the advantages of simplification and convenience, good reproducibility and high analysis and determination sensitivity, which can determine the fatty acids above C6 and provides a new analysis and research method for the quantization investigation on tobacco flavoring.
Owner:ZHENGZHOU TOBACCO RES INST OF CNTC

Fish vision and temperature response research device and method

The invention discloses a fish vision and temperature response research device and method. A fish tank is arranged in a display combined surface which is consistent with the appearance of the fish tank, and a left camera, a right camera and an adjustable light source are vertically downwards arranged right above the fish tank. A video stimulation image is created on a display device, the brightness of the display device is controlled, and the temperature is controlled in a way that a resistance wire is used for heating, and cold water is used for reducing the temperature. A chemical storage controller is used for controlling the chemical charging. The fish vision and temperature response research device is controlled by a control circuit board comprising a system control microprocessor, a display device control circuit, a heating control circuit, a refrigerating control circuit, a chemical charging control circuit and a brightness control circuit. A luminescence sensor and a waterproof temperature sensor are used for transmitting data, and a data collection and analysis server is connected with the two cameras and the control circuit board. Under the program control, fish three-dimensional image coordinate data is collected, analyzed and researched under a fish tank three-dimensional coordinate system. By adopting the fish vision and temperature response research device, the behavior of the fish can be widely and further researched, and an important significance on researching the life science can be realized.
Owner:SICHUAN UNIV

Embedded GPS and BDS combined real-time precise single point positioning equipment

InactiveCN107290763AConvenient field measurementReduce operating costsSatellite radio beaconingOperational systemARM9
The invention discloses embedded GPS and BDS combined real-time precise single point positioning equipment. A hardware platform is based on the ARM9 series S3C2440 acting as a master control chip so that the resolving real-time performance and effectiveness of positioning can be guaranteed; an unicorecomm UB380 satellite board card is integrated, the work principle and the circuit design of each module are analyzed and researched, and a hardware framework including a power supply module, a network module, a serial port module, a satellite positioning module and a display module is established; and a Linux operating system is transplanted on the basis of the hardware platform, the embedded GPS / BDS real-time precise single point positioning software is developed accordingly, enhancement information is acquired in real time through the network to calculate the real-time satellite precise orbit and clock error, the error of the signal propagation process is corrected and eliminated through an error model, precise single point positioning is completed by Kalman filtering and the static centimeter level and dynamic decimeter level positioning accuracy can be realized so that the engineering cost can be effectively reduced and the social and economic benefit can be greatly enhanced.
Owner:SOUTHEAST UNIV
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