120results about How to "Solving Measurement Challenges" patented technology

The invention discloses a configuration method for RRM measurement. The method is applied to scenes where new carrier type is introduced and characterized in that a base station configures CSI-RS resource information for the new carrier type; the base station selects the CSI-RS information, configures a measuring objective CSI-RS function cell for indicating the selected CSI-RS resource information and configures measurement reporting conditions; the selected CSI-RS information, the configured corresponding CSI-RS function cell and the measurement reporting conditions are notified to UE (unified equipment); the UE carries out corresponding measurement according to the CSI-RS function cell and corresponding CSI-RS resource information notified by the base station; when the measurement reporting conditions are met, the UE sends corresponding measurement reports to the base station, and the base station carries out corresponding process according to the measurement reports sent by the UE. According to the configuration method, RRM measurement in scenes where new carrier type is introduced can be achieved.

The invention relates to a method and a device for detecting gas content of a mixed fluid under a while drilling condition. The method comprises the steps of: exciting through an electric signal to generate an ultrasonic surface wave; receiving the ultrasonic surface wave; obtaining amplitude information of the received ultrasonic surface wave; and obtaining the gas content information of the mixed fluid according to the amplitude information. According to the invention, the gas content of fluids in wells can be correctly and quantitatively measured in real time, the underground geological conditions can be known, the information of oil and gas layers can be discovered in time and the wastes of oil and gas resources can be avoided; and the method and the device can be used for recognizing overpressure stratums and treatment can be carried out in time when overpressure stratums are drilled, so that the occurrences of well kick and well blowout are prevented, the heavy losses of personal lives and properties are avoided, and reference information can be provided for the drilling track regulation in the drilling process.

The invention belongs to the field of radiation monitoring technology and provides a typical nuclide monitor of fuel element failure. The monitor is realized based on a typical nuclide detection method of fuel element failure and comprises a detection sampling unit and a signal processing unit. The detection sampling unit is composed of a spiral sampling line, a lead shielding body and a detector core body. The signal processing unit comprises a main amplifier, a sampling unit and a host unit. The monitor provided by the invention can carry out quantitative monitoring on typical fission nuclide in a loop coolant by a gamma spectrometry technology, so as to accurately and timely judge whether a fuel element is damaged. The typical nuclide monitor has characteristics of high precision, fast response and good real-time performance, and is simple and easy to use.

The invention discloses a three-dimensional similar material model experimental device and method for simulating coal seam mining. The device comprises a frame structure, a hydraulic loading control component and a monitoring component. The device uses a digital intelligent control uniform loading system to simulate a model space stress field, reduces the influence of a boundary effect, achieves areal stress loading boundary condition, uses a similar material space excavation simulation technology to simulate the similar material mining in a closed space working face, monitors a field space stress and overburden strata space movement law in real time in the mining process by a multi-monitoring system, solves the measurement problem of the three-dimensional similar material simulation experiment, controls data recording and storage by a computer, and reduces the workload of experimenters. The whole experimental device is easy and convenient to use, low in labor intensity and high in measurement precision, and greatly promotes the use of three-dimensional similar simulation experiments.

The invention relates to a water area, mud flat and bank slope geospatial information measuring platform based on a double-ship mode. The water area, mud flat and bank slope geospatial information measuring platform comprises a mother ship and an unmanned automatic measuring ship and is characterized in that the mother ship carrying a plurality of measuring devices is wirelessly connected with the unmanned automatic measuring ship carrying a plurality of measuring devices to form the double-ship mode to simultaneously measure water area, mud flat and bank slope geographic space. The information measuring platform adopts a combined navigation mode of a GPS and an inertial navigation system to solve the problem that navigation and positioning are difficult in a GPS signal dead area. The information measuring platform is application innovation in the field.

The invention relates to a rotary kiln, particularly to a measurement method for rotary kiln cylinder coaxiality. The measurement method comprises the following steps: step one, before rotary kiln cylinder lifting, using a divider caliper unit to draw four arcs at two ends of each cylinder by using four arc equal division point as circle centers and lengths less than cylinder radius as radius, enabling the arcs to be intersected at four points and using the intersection point of the four points as the center of the cylinder, and then carrying out cylinder lifting work; step two, after completion of the whole cylinder lifting, setting measurement points at Chinese character "mi"-shaped support portions at two ends of each cylinder and respectively setting circular holes used as the centers of the cylinders; step three, erecting an instrument; step four, starting the instrument and calibrating the instrument; and step five, carrying out data reading; to be specific, adjusting the elevation of a theodolite and then measuring circular holes at the Chinese character "mi"-shaped support portions at the two ends of each cylinder, replacing scale plates of the laser theodolite at all circular holes, aligning the center cross curves, and measuring the error between the center cross curves and the laser point to obtain the error of the cylinder coaxiality. With the measurement method, measurement becomes convenient and precise without being influenced by the weather.

The invention discloses a terahertz detector parameter measuring device and measuring method which are used for measuring parameters of various terahertz detectors such as response degree. According to the terahertz detector parameter measuring device and measuring method, a method of intercomparison measurement between a standard terahertz detector with an absolute response degree and a terahertz detector to be tested is adopted. The method comprises the steps that terahertz radiation of a reference terahertz radiation source and background radiation of a liquid-nitrogen refrigerating black body are modulated to be periodical changed terahertz radiation signals by a light chopping slice, the periodical changed terahertz radiation signals are alternately sent to an optical system in a period and sent to the standard terahertz detector or the terahertz detector to be tested finally, and the periodical changed terahertz radiation signals are converted to periodical changed voltage signals and processed by a phase-lock amplifier to obtain measuring voltage signals; parameters of the response degree, noise equivalent power and the like of the terahertz detector to be tested are calculated and obtained according to the absolute response degree value of the standard terahertz detector. The terahertz detector parameter measuring device is arranged in a liquid-nitrogen refrigerating low-temperature vacuum background channel, the influence of background noise on the accurate measurement of the terahertz detector is greatly reduced.

The invention discloses a high-precision free-form surface profiling measurement device and method based on a three-dimensional measurement frame. Three linear motion tables, two rotary tables and an angular displacement table are combined to form a six-axis linkage mechanism, and a high-precision displacement sensor is driven to move in six degrees of freedom in a three-dimensional space relative to a measured object, so that scanning measurement of a free-form surface with complex geometric characteristics such as high curvature and large rise is realized. In addition, the three-dimensional measurement frame is constructed through the high-precision displacement sensor, so that an error transfer chain is blocked, and various error sources such as straightness errors and positioning errors in the scanning process are compensated. The device and method are suitable for fast detection of the surface type of the free-form surface, can also be used for surface type detection of aspheric, spherical and planar elements, have the advantages of being good in universality, high in measurement speed and high in measurement precision, not only can solve the measurement problem in the current free-form surface manufacturing process, but also can meet the detection process of planar, spherical, aspheric and other optical elements.

The invention relates to a method for precisely measuring points on a space curved surface by using the barycentric coordinate, which comprises the following steps: (1) a miniature triangle with a projecting plane being a regular triangle is established on the space curved surface, and the projective point (M) of a measuring point (G) on the space curved surface is positioned at the center of the regular triangle; (2) according to the plane coordinate of the projective point (M), the plane coordinates of three vertices of the regular triangle on the projecting plane are calculated; (3) radius compensation of a measuring needle is closed to cause the measuring needle to measure the z coordinates of the three vertices of the miniature triangle along the vector direction perpendicular to the projecting plane; (4) the barycentric coordinate of the miniature triangle is calculated by using the space coordinates of the three vertices of the miniature triangle; (5) normal vector of the miniature triangle on the space curved surface is calculated; and (6) by taking the normal vector as the approach and compensation direction of the measuring needle, and the barycentric coordinate as a measurement target point, the radius compensation of the measuring needle is started to obtain a precise measured value of the measuring point (G); and the whole measurement process is automatically completed by the CNC system of a measuring machine. The method can also be used for measuring the complex space curved surface and has very high measurement precision.

The invention relates to the installation of a large-scale ball mill, and especially relates to the application of a laser tracker in the installation of the large-scale ball mill. The application of the laser tracker in the measurement of the coaxiality of hollow shafts of the large-scale ball mill comprises the following steps: the step 1) erecting the laser tracker on site; the step 2) correcting the laser tracker; the step 3) collecting data, the data being collected by utilizing a target ball; and the step 4) processing the data, building a three-dimensional graph of the feed-end hollow shaft of the ball mill, a three-dimensional graph of the discharge-end hollow shaft of the ball mill, three points on the center line of the feed-end hollow shaft as well as three points on the center line of the discharge-end hollow shaft, wherein the three points comprises two end points and a middle point, establishing a common axis line between the two shafts with the middle point of the feed-end hollow shaft and the middle point of the discharge-end hollow shaft, and measuring and comparing the distance from the two end points of the feed-end hollow shaft as well as the two end points of the discharge-end hollow shaft, four points in all, to the common axis line, the maximum distance value being the coaxiality value of the hollow shafts of the large-scale ball mill. According to the application in the invention, other auxiliary measurement tools are not needed; measurement precision is high; and measurement result is accurate and reliable.

The invention discloses a system and method for measuring effective emissivity of a metal solidifying point black body based on radiant quantity measurement, belonging to the optical measurement field. The method is characterized by comprising the steps of firstly calibrating a silicon trap detector by virtue of a low-temperature radiometer, forming relatively stable and uniform laser beams by combining a tunable laser source, a laser stabilization power controller and an integrating sphere, collimating the uniform laser beams by virtue of a collimating lens, respectively receiving and measuring the collimated laser beams by virtue of an infrared filtering radiometer and the silicon trap detector, calibrating the absolute responsivity of the infrared filtering radiometer under a specific wavelength by virtue of a radiation contrast method, precisely measuring the spectral radiance flux of the solidifying point black body at a temperature ground section by virtue of the calibrated infrared filtering radiometer, and calculating the emissivity of the solidifying point black body by virtue of the measured radiance flux and the temperature of the solidifying point black body, wherein the temperature of the solidifying point black body working at the temperature ground section is a constant value. By virtue of the method, the current measurement problem of the effective emissivity of the solidifying point black body is solved. The method has the characteristics of high measurement accuracy and wide application prospects.

The invention discloses an ultrasonic testing method of thin friction?material layer structure sliding?bearing lubrication?film thickness. On the basis that bearing bush-air?interface reference?reflection echo?signals need to be obtained by ?a basic?stiffness?model method, an echo signal?amplitude spectrum of a substrate-liner interface is obtained through a thick-liner bearing bush specimen or theoretical calculation, the frequency domain amplitude ratio of superimposed signals of reference echo and echo of different film thicknesses to the substrate-liner interface echo, the amplitude ratio of the echo component containing film thickness information to the substrate-liner interface echo at one specific frequency position in a superimposed signal spectrum analysis method, reflection?coefficient in the film thickness measurement is obtained and finally the lubrication?film thickness value can be determined. Measurement on fluid lubrication sliding radial and push bearing submicron and micron-class lubrication?film thickness can be realized in the case of reflection echo?signal superimposition.

The invention relates to a method for precisely measuring points on a space curved surface by using a coordinate of a center of a sphere of a survey probe, comprising the following steps: (1) a minisize triangle having a regular triangle projecting plane is set up on the space curved surface to lead a projective point (M) of a measuring point (G) on the space curved surface to be in the center ofthe regular triangle; (2) the normal direction vector of the tiny triangle on the space curved surface is calculated; (3) the normal direction vector is taken as the direction of approach and compensation of the survey probe, and the measuring point (G) is taken as the measurement target point; radius compensation of the survey probe is started to obtain the precise measured value of the measuring point (G). The method also can be used for the measurement of complicated space curved surface and has very high measurement accuracy.

The invention discloses a radial runout detecting device of combining gear tooth part of automobile, comprising a vertical rail structure, a workbench and a measuring mechanism. The vertical rail structure is a manual reciprocating straight motion structure, which includes a rail, a sliding plate and a handle. The workbench is installed at bottom part of the rail, which includes a rotor, a base and a location ring; the rotor is vertically installed in the base and can do reciprocating motion relative to the rail plane; the main shaft of the rotor is connected with the location ring which is located with a combining gear to be detected. The measuring mechanism is installed on the sliding plate, which includes a meter rod, a pull spring, a limiting pin, a measuring rod, a locating pin, a measuring head, a tapered wedge, a rod head, a stop rod and a suspension body. The measuring rod is hinged in the suspension body, whose one end is contacted with the meter rod and the other end is axially provided with a measuring head in the combining gear tooth part to be detected. The stop rod and the tapered wedge are cooperated to control the swing of the measuring rod. The invention is suitable for the measuring tool of the production field which has accurate location, convenient measurement and high measuring precision.

The invention relates to a pilot frequency heavy-current multifunctional grounding parameter testing system based on a variable frequency power supply, belonging to a testing device of a grounding parameter of a transformer substation ground network. The system mainly comprises a variable frequency power supply unit and a boosting transformer unit, wherein the variable frequency power supply unit is formed by connecting two pushoff amplification type variable frequency power supplies in parallel, and the rated input voltage of each variable frequency power supply adopts a 380V+/-10 percent and 50Hz three-phase alternating current, and outputs continuous and adjustable sine waves between 0V and 350V; and output frequency is continuous and adjustable between 20Hz and 30Hz; the boosting transformer unit consists of a boosting transformer, a primary coil of the boosting transformer is connected with two output ends of the variable frequency power supply unit, and a secondary coil of the boosting transformer is connected with the ground network of the transformer substation; and the rated volume of the boosting transformer is 15kVA, the output voltage is 200V, 400V, 600V, 800B or 1,000V, and the preset frequency is 20-300Hz. The system has the characteristics of strong ant-jamming capacity and high measurement accuracy.

The invention relates to the fields of aerial photogrammetry and particularly relates to an island-air triangular measuring method based on a GPS/IMU (Global Position System/Inertial Measurement Unit) positioning and orientating technology. The technical scheme adopted by the invention is that an aerial photography system with high-precision GPS/IMU positioning and orientating equipment is used for carrying out three-dimensional aerial mapping for a target island and sea and a land and shore measuring region with a land control network, extracting joint points of images on the island and the land and shore and directly carrying out virtual joint point generation on fall-water images according to exterior orientation elements solved based on GPS/IMU data, thus realizing the air triangular measurement and calculation by adopting a bundle method and further solving exterior orientation elements of the island, the land and the shore and corresponding object point land coordinates. According to the island-air triangular measuring method disclosed by the invention, the difficult problem that the island measurement cannot be controlled is effectively solved, the foundation for large-medium proportional scale mapping of the island is laid; and meanwhile, the problem of aerial photogrammetry of other measuring regions with poor and single textures (such as deserts, grasslands and snow fields) can be effectively solved.

The invention provides an ellipticity measuring instrument for a tube body and a measurement method thereof. The measuring instrument comprises a rigid semi-sphere, a contact end and a scale micrometer, wherein the contact end and the scale micrometer are arranged at two semicircular ends of the rigid semi-sphere respectively; the measurement directional line of the scale micrometer is on the same straight line as the contact end, and the straight line passes through the center of the rigid semi-sphere; the diameter of the rigid semi-sphere is equal to the sum of the distance between the contact end and the rigid semi-sphere, the distance between a measurement contact of the scale micrometer and the rigid semi-sphere, and the diameter of a tested tube body. The ellipticity measuring instrument is convenient to use, simple in structure, high in precision and measurement efficiency, low in work intensity and wide in detection coverage, can cover the ellipticities of all steel tubes with various specifications and calibers and solves the problem of ellipticity measurement of the tube body.

The invention discloses a method for measuring the geometric parameters of a large-diameter thread form. Measurement of the geometric parameters of a large-diameter thread form includes measurement of thread crest diameter d, thread pitch diameter d2, form angle alpha/2 and pitch P. Measurement of thread crest diameter d comprises the following steps: a measured large-diameter thread form is placed on a flat plate; a height gauge with maximum permissible error of measurement is selected according to the crest diameter tolerance of the large-diameter thread form; the zero of the probe of the height gauge is adjusted with the flat plate as a benchmark; and the probe of the height gauge is moved to the highest position of the measured large-diameter thread form, and the data displayed by the height gauge is read, namely, the crest diameter d of the measured large-diameter thread form. According to the method for measuring the geometric parameters of a large-diameter thread form, measurement of the geometric parameters of a large-diameter thread form is completed by a universal microscope or other common instrument and tool combinations. The measuring method is simple and has a wide range of applications, and the precision can meet the requirements of field use in production.

The invention discloses a method for measuring the content of amino acid in a black-bone chicken milk increasing preparation. The method comprises the following steps: subjecting a black-bone chicken milk increasing preparation to a protein hydrolysis treatment; and then using an amino acid analyzer to analyze the hydrolysate so as to measure the amino acid content. In the conventional standards, the protein content can be only represented by total nitrogen content, the provided method can overcome the shortage, moreover, the method can precisely measure contents of 17 amino acids in the preparation, has the advantages of simple pretreatment, strong specificity, good repeatability, and high precision, can well control the quality of the black-bone chicken milk increasing preparation, and improves the safety and effectiveness of the preparation.

The invention discloses a measuring device for internal thermal environment parameters of an arc heater. The measuring device comprises cooling water inlets, cooling water outlets, cooling water channels, an air inlet structure, a measuring structure body, an inner-wall local heat flow measuring structure, an inner-wall temperature measuring structure and an inner-wall pressure measuring structure, the cooling water inlets and outlets include holes respectively, each cooling water channel is arranged between the cooling water inlet and outlet of the same group, the inner-wall local heat flow measuring structure is arranged between the cooling water inlet and outlet of different groups, the inner-wall temperature measuring structure and the inner-wall pressure measuring structure are arranged in the other side, and the air inlet structure is arranged in a measuring system. The internal thermal environment parameters of the arc heater are hard to measure due to the high-pressure and high-temperature environment in the heater. The measuring device can be used to overcome the difficulty in measuring the internal thermal environment parameters of the arc heater, and provides full data support for optimal design and operation monitoring of the arc heater.

The invention discloses a white light interference measurement device and method based on sample space structure illumination. A micro-display is added to an illumination system, and different space patterns can be projected to the surface of a sample; during measurement, a measurement area of the sample is divided according to an acquired sample image in combination with characteristics of the sample to form different illumination patterns; the illumination patterns are input into the micro-display, and asynchronous spatial illumination and white light interference measurement are carried outon adjacent areas, so as to avoid coherent interference signal interference caused by multiple reflections between adjacent points; and then, the plurality of groups of measured surface height distributions are combined to obtain the height distribution of the whole surface. Interference between adjacent points during white light interference measurement of samples such as a micro-groove array issuppressed by adopting a spatial pattern illumination method, and the samples can be quickly detected in a nondestructive manner.

The invention discloses a monitoring and measuring method of culvert jacking deviation rectification. The method comprises the steps as follows: (1) a measuring point A and a measuring point B are arranged on two sides of a prefabricated culvert; (2) the distance between the two measuring points is measured with a total station instrument; (3) a coordinate system is established by use of the measuring point A and the measuring point B; (4) the total station instrument is set up to collect coordinates of four angular points of the prefabricated culvert and the central point of an existing route, a field plane graph is drawn by CAD cartographic software, and the position of the completed culvert is determined; (5) the established coordinate system is converted into a coordinate system with the angular points of completed culvert as the original points by use of the CAD cartographic software; (6) new coordinates of the measuring point A and the measuring point B are calculated; (7) the elevations of the measuring point A and the measuring point B are measured, a plane coordinate system is transformed into a 3D coordinate system, the coordinates of the measuring point A and the measuring point B are back viewed by the aid of rear intersection of the total station instrument, a survey station is established, coordinate values of any point of the culvert are collected in real time during jacking and compared with coordinate values of the in-place culvert, and required deviation rectification data are obtained.

The invention relates to a method for detecting the copper phase in ore, and belongs to the field of analytical chemistry. According to the method, separation and detection of copper in copper oxide minerals, secondary copper sulfide minerals and primary copper sulfide minerals in the ore can be realized through one-step sample dissolution, atomic absorption spectrometry is adopted for detection,and detection precision and accuracy are high. The method has the advantages that final residues are not treated by nitric acid and sulfuric acid but burned into ash, and the copper in the primary copper sulfide minerals is detected by an atomic absorption spectrometer; the method is safe and environment friendly, analysis and testing time are shortened greatly, manpower and material resources aresaved, and good economic benefits are achieved.

The invention discloses an optical lens residual polarization testing device. The optical lens residual polarization testing device is characterized in that an integrating sphere with three ends beingopen and halogen tungsten lamps is adopted to serve as a light source, a focusing lens is adopted to perform focusing on a light beam, and a polarizing optical system formed by an achromatic filter,a polarizer and a 1/4 wave plate is adopted to provide a measurement light beam with a specific polarization state and a specific wavelength; a large-aperture off-axis parabolic reflecting mirror is adopted to perform collimation on the measurement light beam, and then the collimated measurement light beam passes through a tested optical lens; and a photoelectric detector is utilized to measure apolarization optical signal amplified by an amplifier, so that optical lens residual polarization degree measurement with the wavelength range being 0.45 micron-1.1 microns and the polarization degreemeasurement range being 0.1-0.9 is achieved.

The invention discloses a measuring device and a measuring method for primary productivity of phytoplankton based on chlorophyll fluorescence. The measuring method comprises the following steps: in ashielding condition, irradiating an alga sample continuously for over 60 s through a simulating light source; measuring single period and relaxation fluorescence dynamic curves in an illuminating condition when the gap is closed transiently after simulated irradiation for 50 ms to obtain fluorescent dynamic parameters; measuring an alga chlorophyll fluorescence dynamic curve by taking a laser diode array as an inductive laser light source and a photomultiplier as a fluorescent detector; and designing an underwater photosynthetic effective radiation measuring unit by using a crown-shaped optical collector and a multi-band optical detector array to measure the natural environmental spectra corresponding to the alga absorption characteristic. The method is compact in structure, small in sizeand low in power consumption, can measure the primary productivity of phytoplankton in situ quickly and provides a novel means for monitoring and prewarning red tide and water bloom disasters and investigating and evaluating primary productivity of sea.

The invention discloses a wind power generation maximum power tracking method of a speedless sensor. The method comprises the steps of: 1) obtaining maximum wind power through an experiment to capture a relation curve with the rotating speed of a motor; 2) performing the modeling analysis for the electromagnetic torque of a generator; 3) analyzing a transmission chain model in a maximum power tracking state; 4) determining a relation between an optimal output power and synchronous speed of an induction motor, and building a lookup table; and 5) designing an adaptive controller for a system. The method can realize the maximum power tracking of a wind driven generator in low wind speed without measuring the rotating speed of the wind driven generator, the wind magnitude and the direction. As the magnitude and the direction of wind are difficult to be invariable under the influence of various factors, the accurate measuring process is complex, and the system cost is increased. Therefore, the method effectively solves the measuring difficulties in the measurement of wind magnitude and direction in a conventional wind power generation system, and reduces the system cost to a certain extent.

The invention puts forward a low-light ICCD resolution measuring device and a measuring method, and belongs to the field of optical measuring and metering. The low-light ICCD resolution measuring device is characterized in that the low-light ICCD resolution measuring device is constructed with a light source system, a resolution target, a conjugate lens group, a measurement camera obscura, a video image acquisition system and a computer, wherein the conjugate lens group images the resolution target irradiated by the light source system and projects the resolution target to a measured low-light ICCD, the video output line of the measured low-light ICCD is connected to the video image acquisition system, the video image acquisition system acquires a resolution target image output by the measured low-light ICCD and sends the resolution target image to the computer, and the computer is used for displaying the resolution target image transmitted by the video image acquisition system. The problem of low-light ICCD resolution measurement is solved. The measuring device and the measuring method can be extended to EMCCD resolution measurement and other fields in need of establishment of a resolution measuring device and research of a resolution measuring method, and have a broad application prospect.