116results about How to "Guaranteed measurement results" patented technology

The invention belongs to the technical field of crystal structure measurement through measuring back scattering, and relates to a method for measuring the orientation differences of orientation silicon steel crystal particles by utilizing an EBSD (Electron Back-Scattered Diffraction) technique. The method provided by the invention comprises the following steps of: measuring the euler angle of each crystal particle in a taken test sample by adopting the principle of detecting the crystal particle orientation by adopting the EBSD, and calculating the orientation differences of adjacent crystal particles and the orientation differences between the crystal particles and a standard goss texture, thereby obtaining the corresponding relationships between the magnetic induction intensity and the orientation differences. The method has the advantages of, rapid measurement speed, large measurement region, intuitive and understandable expression, typical obtained result and the like, and is simple to operate.

The invention discloses a multifunctional medical detector which comprises a sample adding mechanism, an optical detection mechanism, a reaction bin, a driving mechanism, an electrode tip and a detection result processing module, wherein the driving mechanism is provided with a driving output shaft, and the driving output shaft is located in the middle of the reaction bin and used for driving a reagent plate in the reaction bin to rotate; the optical detection mechanism is located below the reaction bin, sequentially projecting light rays to at least one dry reagent pieces, used for biochemical detection, of the reagent plate along with rotation of the reagent plate, and receiving the light rays reflected by the at least one dry reagent piece to obtain at least one reflection response voltage value for biochemical detection; the electrode tip is located at the upper part of the reaction bin, provided with at least two telescopic electrode contacts, used for sequentially contacting the electrode on the reagent plate through the electrode contacts along with rotation of the reagent plate to read biochemical detection and / or blood routine examination voltage detection values of samples. The invention further discloses a multifunctional medical detection system.

The invention relates to a low-complexity velocity estimating method of an acoustic Doppler flow measurement system. According to the conventional complex-autocorrelation-based velocity estimating method, the velocity estimating effect is good, but heavy computation is required in the processing flow of the method, the method is complex to implement, and a large number of hardware resources are consumed. By the low-complexity velocity estimating method of the acoustic Doppler flow measurement system based on the delay conjugation product technology, on the premise of guaranteeing the measurement performance, the computation for signal processing is greatly reduced, the complexity of the system is reduced, and the cost of the hardware resources is saved.

The invention provides a synchronous recovery method and a synchronous recovery device of a terminal sleep wake-up with high synchronous recovery efficiency, simplified synchronous recovery time and guaranteed paging monitoring and measurement performance. The method comprises the following steps of obtaining the terminal sleep wake-up triggering time information; completing the terminal wake-up according to the sleep wake-up triggering time information; receiving a downlink sub-frame containing a preset number value of PBCH channels and sequentially performing timing synchronization estimation and frequency synchronization estimation; completing Timing synchronization recovery and frequency synchronization recovery and starting paging time monitoring. The invention has the advantages that: data sample for synchronization recovery scheme can be satisfied fas, the synchronization recovery efficiency is obviously improved, the UE using the synchronous recovery method of the invention canrealize the purpose of significantly reducing the synchronous recovery time while ensuring the paging monitoring and measurement performance in all application scenarios including the limit coverageenhancement.

The invention discloses a method, a device and a system for treating conflict of a data dispatching time and a measuring time. The method comprises the following steps: determining an auxiliary frequency point TS0 of UE used for measuring a time under a CELL_DCH state; and controlling data sending treatment on a business channel or a control channel by the auxiliary frequency point TS0 used for measuring the time according to a preset strategy. The invention can solve the problem of the conflict of the data dispatching time and the measuring time of UE under the CELL_DCH state aiming to a conventional business, and HSDPA or HSUPA business, thereby ensuring the reliability and the measuring performance of data transmission.

The invention discloses a method and a device for detecting contact resistance of a probe, wherein the detection device comprises a variable-resistance module, a pressure dividing module, a first test electrode, a second test electrode, a power supply and a switch, wherein the variable-resistance module is connected with the pressure dividing module in series; the first test electrode and the second test electrode are connected to two ends of the pressure dividing module respectively; and the variable-resistance module has at least three variable resistance values. The method and device for detecting the contact resistance of the probe can correctly test the contact resistance of the probe for a test device so as to ensure measuring performance of the test device and to lay a basis for accurate test thereof.

The invention discloses an onsite display instrument-based GIS sulfur hexafluoride density online monitoring system. A monitoring pipeline is provided with a gas exporting tee joint; one outlet of the gas exporting tee joint communicates with the gas collecting opening of a sulfur hexafluoride density meter; another outlet of the gas exporting tee joint communicates with the collecting opening of a pressure collecting sensor; the system also includes a horizontally mounted mounting platform, and the sulfur hexafluoride density meter and the pressure collecting sensor are respectively mounted on the mounting platform through mounting flanges, and are vertical to the mounting platform; the mounting platform positioned on the side surface of the sulfur hexafluoride density meter is provided with a wiring terminal strip, and the wiring terminal strip is electrically connected to the signal input channel of an onsite display instrument; and the quantity of SF6 breakers is more than one, and a gas chamber shell of one of the SF6 breakers in the same indoor environment is provided with a temperature sensor used for measuring the gas temperature in the SF6 breaker gas chamber.

The invention discloses a portable optical fiber radiation thermodetector and a measuring method of the portable optical fiber radiation thermodetector, and belongs to the field of pyrometry. The thermodetector comprises a high-power optical fiber coupler, an energy transmitting optical fiber, a photoelectric detector, a pre-amplification module, an AD sampling module, a signal processing module, a display module, a keyboard input module, a digital-to-analog conversion module and a 4-20mA current loop. Thermal radiation energy at a broadband spectrum is coupled by the high-power optical fiber coupler and transmitted to the photoelectric detector by the energy transmitting optical fiber to convert optical signals into electrical signals, the electrical signals are sampled by the AD sampling module, obtained sampled signals are analyzed by the signal processing module through the curve-fitting algorithm, and a corresponding temperature value can be worked out finally through calibration. The portable optical fiber radiation thermodetector is very suitable for measuring crystal oven thermal fields due to the structure, easy and convenient to use and very practical.

The invention discloses a current type bidirectional bending sensor and a preparation method thereof in the technical field of sensors, thereby solving a problem that the bidirectional bending degreecan not be measured. The current type bidirectional bending sensor comprises a light emission assembly, a light receiving assembly, and a flexible light guide element. The luminous flux change of thelight guide element has monotony in the bidirectional bending process. The light emission assembly and the light receiving assembly are installed at the two ends of the light guide element respectively and fixedly. The light emission assembly includes a light-emitting element. The light receiving assembly includes a light receiving element. The light-emitting element and the light receiving element are arranged at the two ends of the light guide element. The luminous flux of the light guide element corresponds to the bidirectional bending degree one by one. The light guide element bends with bending of a measured object, so that the luminous flux of the light guide element changes; light after luminous flux changing is received by the light receiving element; and then the light receiving element coverts the light into a current signal, thereby realizing the function of detection of the bidirectional bending degree of the measured object.

The invention discloses a wheel type range finder which comprises a range finding wheel and a handle arranged outside the range finding wheel. The wheel type range finder further comprises an auxiliary supporting mechanism, a track positioning mechanism and an anti-backward-walking mechanism. The auxiliary supporting mechanism is arranged at the lower end of the handle, and the track positioning mechanism is arranged at the end, located outside the range finding wheel, of the handle. The anti-backward-walking mechanism is arranged on the outer side of the range finding wheel. The handle comprises a supporting rod and an adjusting rod. According to the wheel type range finder, a clamping groove is formed in the top of the supporting rod, a clamping rod on a mounting plate is clamped in theclamping groove of the supporting rod, and the mounting plate can be conveniently disassembled and assembled. When the wheel type range finder is used, due to the fact that the distance between the display screen of a counter and an operator is large, the operator cannot see the numbers on the display screen clearly and thus cannot know the walking mileage in time. The numbers displayed on the display screen can be amplified through a magnifying glass on the mounting plate, so that an operator can see the numbers more clearly, the walking mileage can be known in time, and the observation is more convenient.

The invention discloses a flexible strain sensor and a manufacturing method thereof. The flexible strain sensor includes an elastic tube. The elastic tube has a structure with uniform inner and outerdiameter, and electrodes are fixedly disposed at each end of the elastic tube. The cross section of the electrode is the same as the cross section of an inner cavity of the elastic tube. A conductivesolution is filled between the electrodes. The manufacturing method comprises: preparing the elastic tube having uniform inner and outer diameter, electrodes having the same cross section as that of the inner cavity at both ends of the elastic tube, the conductive solution containing the electrolyte and the like. The flexible strain sensor and the manufacturing method thereof can solve the problemthat the measuring range of the sensor in the prior art is insufficient, and has the advantages of simple structure, low cost, convenient use, strong measurement accuracy and high reliability.

The invention relates to an automatic measuring instrument for diameters of fruit tree fruit. The measuring instrument comprises a fixing mechanism, adjusting mechanisms, and measuring mechanisms. Theadjusting mechanisms are mounted on the outside of the fixing mechanism. The number of the adjusting mechanisms is two. The two adjusting mechanisms are arranged in a left-right symmetrical manner. Each measuring mechanism is mounted at the upper end of each adjusting mechanism. Each adjusting mechanism comprises an adjusting telescopic plate, a fixing seat, an adjusting motor, an adjusting frame, an adjusting gear, driven gears, and adjusting air cylinders. Each measuring mechanism comprises supporting frames, lifting frames, fixed circular plates, adjusting rods, connecting columns, rotating circular plates, and measuring branch chains. The automatic measuring instrument for the diameters of the fruit tree fruit can solve the problems of high labor cost, high labor intensity, potentialsafety hazards, and low measurement working efficiency in fruit tree fruit measuring process, can automatically measure the diameters of the fruit, and has the advantages of being low in labor cost, low in labor intensity, high in safety, high in working efficiency, and the like.

The invention discloses a method for automatically determining measurement time in the detection of an energy spectrometer. The method is characterized by comprising the following steps of: (1) tracking and monitoring data collected by the energy spectrometer in real time for a sample to be measured and caching the data; (2) carrying out data pretreatment on the spectral line data tracked and cached in the step (1); (3) acquiring a stability parameter according to the spectral line data tracked currently and the spectral line data treated in the step (2); (4) carrying out stability judgment, automatically judging whether the collection of a current spectral line meets a stability condition or not; and automatically stopping the measurement sampling of the sample if the condition is met, otherwise continuing the measurement sampling and tracking the spectral line data if the condition is not met. By using the method, the measurement time can be automatically determined in the process that the sample is measured by the energy spectrometer; the measurement efficiency of the sample is effectively improved; the influence of environmental change on a measurement result is effectively reduced; and meanwhile, the uncertainty of the measurement time judged manually is reduced.

The invention discloses a permeameter for measuring permeability of rock. The permeameter comprises a rock clamping component which comprises a main body, a rock mounting piece and two pressing cover plates, wherein the rock mounting piece comprises an elastic sleeve and metal mounting sleeves, the elastic sleeve is used for mounting rock to be tested, and the metal mounting sleeve is embedded onto the main body; the two pressing cover plates are respectively in threaded connection with two sides of the main body, and fit with threads in the inner side wall of the main body, and the outer peripheral surface, stretching into the main body end, of each pressing cover plate is tightly pressed against the corresponding metal mounting sleeve. The elastic sleeve is elastic so as to be capable of well constraining the rock to be tested, so that tightness of the side wall of the rock is ensured, and liquid is prevented from flowing out from the side wall of the rock; the elastic sleeve and the rock can be mounted in the main body via the two metal mounting sleeves.

The invention discloses a detection circuit of output power. The detection circuit comprises a power output circuit, a power detection circuit and a control circuit; the power output circuit comprises a first intermediate frequency filter, a first amplifier, a first attenuator, a second amplifier, a second attenuator, a first mixer, a first filter, a third amplifier, a first coupler, a third attenuator, a fourth attenuator, a second filter and a second coupler; the power detection circuit comprises a first detection circuit and a second detection circuit; the first detection circuit comprises a fixed attenuator, the input end of the fixed attenuator is connected with the coupling end of the second coupler, and the output end of the fixed attenuator is connected with a first AD detection module; and the second detection circuit comprises a fifth attenuator, a fourth amplifier, a fifth amplifier, a second mixer, a third filter, a second intermediate frequency filter, a first single-pole double-throw switch and a second single-pole double-throw switch. The circuit can realize power output in a range of more than 95dB, and can carry out real-time detection.

The invention discloses an online monitoring device and method of water content and pollution degree of rolling mill lubricating oil, and belongs to the field of industrial equipment monitoring instruments. The online monitoring device comprises N lubrication monitoring modules, wherein electrodes of probes of capacitive sensors in the lubrication monitoring modules are installed on rolling mill lubrication branches or an oil tank and are immersed in detected oil liquid, the electrodes of the probes of the capacitive sensors are connected with a capacitive sensor processing circuit, and output signals of the capacitive sensor processing circuit are transmitted to a microprocessor and a data display and storage device through an acquisition, control and transmission circuit. In the monitoring method disclosed by the invention, water content and pollution degree are distinguished according to the slope of change of dielectric constant values, detected at real-time temperature, of the detected oil liquid with time. The online monitoring device and method of water content and pollution degree of the rolling mill lubricating oil can monitor quality indexes such as comprehensive overall pollution degree and water content of the detected oil liquid on line without making temperature and other compensation, and can be widely applied in aspects of mechanical equipment state monitoring and fault diagnosis.

The invention discloses a high-stability engineering surveying and mapping device. The device comprises a connecting seat; fixing plates are symmetrically and fixedly connected to the top end of the connecting seat; a surveying and mapping instrument is rotatably connected between the two fixing plates; a buffering anti-deviation mechanism is rotatably connected to the bottom end of the connecting seat; a vertical cylinder is fixedly connected to the bottom end of the buffering anti-deviation mechanism; and a water surface floating mechanism is arranged at the outer side of the vertical cylinder. The device is scientific and reasonable in structure and safe and convenient to use; the water surface floating mechanism is arranged; and through cooperation of a pressing plate and a connecting rod, a rubber block is pushed to move in an air cylinder, air exhausting and pushing are conducted, meanwhile, a fixing rod is rotated, the fixing rod drives a lower limiting block and an upper limiting block to move, the positions of the lower limiting block and the upper limiting block are adjusted, so that the lower limiting block, the upper limiting block, a buffer spring and a sealing block are matched with one another; when an air bag strip is inflated, an air pipe is opened through air exhausting and closed through air pushing, and so that air conveniently enters the air cylinder through the air pipe.

A split type combined pyrometric cone comprises a base and a pyrometric cone, wherein the temperature countdown type is marked on the pyrometric cone; at least three triangular column holes are distributed on the base in an annular array mode, and the bottom of the pyrometric cone is inserted in the triangular column holes. The split type combined pyrometric cone is convenient to observe, the temperature measurement precision can be ensured, and the comparison of the crooked degrees of different types of pyrometric cones is intuitive.

The invention discloses a large pipe end face small circular boss flatness measuring tool which comprises a support device and a radial guide rod assembly. The support device comprises a center cylinder, a center ring arranged at the periphery of the bottom end of the center cylinder and at least three groups of support adjusting rod devices. The supporting adjusting rod devices comprise adjustingrods and supporting rods, ends of the supporting rods are connected with the periphery of the center ring, the other ends of the supporting rods are telescopically connected with cambered surface base plates used for being connected with the inner circular surfaces of the pipelines, ends of the adjusting rods are connected with the center cylinder, and the other ends are connected with the supporting rods through adjusting assemblies; the adjusting assemblies are used for adjusting the distances between the supporting rods and the adjusting rods. The radial guide rod assembly comprises a guide rod, the guide rod is perpendicular to the axis of the center cylinder, the guide rod is rotatably connected to the top end of the center cylinder through a rotating assembly, and the guide rod is further connected with a lever indicator for measurement. The tool is convenient to measure, and the measurement error can be controlled within an extremely small range.

The present invention relates to a three-dimensional topography measurement method capable of inhibiting indirect illumination which can perform complete and high-precision three-dimensional measurement in a condition of indirect illumination, belonging to the optical measurement field. The three-dimensional topography measurement method is based on a structural light three-dimensional topographymeasurement system which is mainly formed by a projector and a camera. The projector and the camera form a binocular stereoscopic visual system. The three-dimensional topography measurement method employs a polar line geometric principle in the binocular stereoscopic vision, and the polar line geometry can determine the corresponding relation of the projector and the upper polar line of the camera. In the measurement process, a complete structural light pattern is subjected to multi-time projection, each projection only project one polar line in a geometrical relationship of the projector andthe camera polar line. Direct illumination be reflected only once, and an emitting point is located on a corresponding polar line of a camera image; most of indirect illumination is subjected to multi-time reflection or scattering, and be no longer emitted from the corresponding polar line of the camera image. When pixels of the corresponding polar line of the camera image is only retained, the indirect illumination is inhibited so as to avoid influence of the indirect illumination on three-dimensional topography measurement.

The invention belongs to the radiation protection technology, and particularly relates to a measuring system used for directly measuring radionuclide deposited in a lung outside a body. The technical scheme includes that a lung counter measuring system is characterized by comprising a measuring instrument (1), a positioning device (2), a measuring bed (3), a spectrometer (4) and a computer, wherein the computer is provided with passive efficiency mark software and dose calculating software. The lung counter measuring system can be used for the direct measurement of the radionuclide deposited in the lung outside the body. Due to the fact that the bed body, a detector and the like are all shielded, interference of nature background radial rays is avoided to a certain degree. The positioning device enables the detector to be parallel to the irregular wall of a chest as far as possible, and the detector is enabled to receive radial rays emitted from the radionuclide in the lung to the maximum degree, measuring effect is guaranteed, and measuring precision is improved.

The invention discloses an integrated three-dimensional measurement system and a measurement method. The measurement system comprises a housing, wherein the top surface and the front surface of the housing are open; a projection hole and a camera mounting hole are respectively formed in the bottom surface of the housing; a CMOS camera is mounted in the camera mounting hole; sliding grooves are formed in two opposite side surfaces of the housing; a device mounting plate is mounted on the sliding grooves; and a controller is arranged on the device mounting plate. The measurement method comprisesthe following steps: generating a phase shift structured light pattern with sinusoidal brightness changing with time by the controller, obtaining a brightness time table corresponding to the light pattern, and transmitting the brightness time table to a semiconductor laser. The problem that a three-dimensional measurement device in the prior art is difficult to be suitable for a space-limited environment can be solved, and the system is high in environmental adaptability, high in reliability and accurate in measurement.

The invention relates to an oil field underground logging unit, in particular to a series acoustic wave storage variable density logging unit. The logging unit is characterized in that the logging unit comprises at least a group of upper acoustic detection units (1), a group of lower acoustic detection units (2), a magnetic positioning unit (3) and a detection processing unit (4); the detection processing unit (4) is respectively electrically connected with emission control ports of the upper acoustic detection units (1) and the lower acoustic detection units (2) through I / O interfaces; acoustic detection circuits of the upper acoustic detection units (1) and the lower acoustic detection units (2) transmit the detected signals to an amplification processing circuit, the digital signals converted by the amplification processing circuit are transmitted to the I / O interface of the detection processing unit (4), and the detection processing unit (4) stores the processed signals on a memory card (5). The transmission error of acoustic signals caused by the poor frequency characteristic of direct-read type cable in prior arts is avoided, and thus the measuring curve resolution and the precision are improved.

The invention discloses a large-size articulated arm type coordinate measuring machine. The machine comprises a base, a first rotary joint is fixedly connected to the top of s support column, a secondrotary joint is fixedly arranged at one end of a first connecting rod, a second swing joint is fixedly connected to one end of the second rotary joint, a third swing joint is fixedly connected to oneend of the third rotary joint, balancing weights are detachably installed at the four corners of a mounting plate respectively, and one end of an electric telescopic rod is movably connected with theside face of the first connecting rod. The machine has the advantages that one end of the electric telescopic rod is movably connected with the side face of the first connecting rod, the first connecting rod is supported conveniently, the balance of the articulated arm type coordinate measuring machine in the rotating process is increased, the measurement result is ensured, by detachably installing the balancing weights at the four corners of the mounting plate, the weight of the base is increased, and toppling of the large-size articulated arm type coordinate measuring machine is avoided.

The invention relates to a slope surface water and soil loss quantity measuring instrument and a use method thereof. The slope surface water and soil loss quantity measuring instrument comprises a lower frame vertical rod, an upper frame vertical rod, positioning rods, a positioning ball, a laser distance measuring device and a horizontal regulating structure, wherein the positioning ball is fixedly arranged on the upper end of the upper frame vertical rod; the horizontal regulating structure is arranged between the lower frame vertical rod and the upper frame vertical rod; the head end of thepositioning rod is rotationally connected with the positioning ball; the laser distance measuring device is vertically arranged between the tail ends of the positioning rod; the located plane of therotation track of the positioning rod is vertical to the distance measuring direction of the laser distance measuring device. The laser distance measuring technology is applied to the water soil maintaining monitoring work. Firstly, the early stage data of the monitoring slope is collected; the regularly collected slope surface data is calculated in a comparison way; indexes such as slope surfacewater and soil loss quantity can be monitored.

The invention discloses a comprehensive test platform for a fluorescence microscope objective, which comprises a bottom plate. A horizontal adjusting device and a vertical fixing mechanism are arranged on the bottom plate; the horizontal adjusting device comprises a two-dimensional translation table and a two-dimensional inclined table which are stacked in sequence; a reticle is arranged on the two-dimensional inclined table; the vertical fixing mechanism comprises a back plate support, and the back plate support is fixedly connected to the base; an optical detection device and a guide slidingdevice in the vertical direction are fixedly arranged on the back plate support respectively; the guide sliding device is provided with a sliding support capable of sliding along the guide sliding device; and a measured objective is fixed on the sliding support.

The present invention relates to the smart testing management. The invention is related to a smart testing apparatus and preferably a method for testing at least a first DUT and a second DUT by using a mobile communication testing device. The method comprises the steps of determining, whether a first RF test signal from / to the first DUT interferes with a second RF test signal from / to the second DUT. It determines, whether the second RF test signal from / to second DUT interferes with the first RF test signal from / to the first DUT. It predetermines, whether at least measuring the first measuring result obtained by applying the first RF test signal is disturbed above a first disturbance threshold value. It predetermines, whether at least a second measuring result obtained by applying the second RF test signal is disturbed above a second disturbance threshold value.

The invention discloses an online monitoring method for the water content and the pollution degree of lubricating oil of a rolling mill, and belongs to the field of monitoring instruments of industrial equipment. The method includes the steps that (1) dielectric constants of the measured oil and comparison oil at real-time temperature are measured in real time through a capacitive sensor probe electrode by means of a capacitive sensor signal processing circuit; (2) the change value of the dielectric constant, measured in real time at the real-time temperature, of the measured oil relative to the dielectric constant of the comparison oil is worked out through a microprocessor and a data display and storage device; and (3) according to a sensor water content sensitivity coefficient calibrated in advance, the water contents corresponding to two adjacent sampling times are worked out in a sequential and progressive increasing mode according to a sampling interval, and the change slope of the water contents relative to schedule time is worked out. According to the method, temperature compensation and other compensations are not needed, and the comprehensive overall pollution degree, the water content and other quality indexes of the measured oil can be monitored online; the method can be widely applied to the aspect of state monitoring and fault diagnosis of mechanical equipment.

A method computer and magnetic resonance (MR) apparatus for controlling a table position of an examination table of the MR apparatus during an MR measurement. An SAR load is determined for an examination object with a calculated pulse sequence, at least for a first table position. Then the table position is adjusted while taking into consideration the SAR load at the first table position. The adjustment of the table position ensures that the SAR load of the examination object is reduced.

The present invention discloses an anemobiagraph for a building. The anemobiagraph for the building comprises a working platform, an observation device is installed at the upper portion of the working platform, the outer surface of the observation device is provided with a LCD display screen, the lower portion of the LCD display screen is provided with an indicator light, the right side of the indicator light is provided with an annunciator, the right side of the annunciator is provided with an operating switch, the right side of the observation device is provided with an optical fiber, the right side of the optical fiber is provided with a pedestal and a support arm, the lower portion of the pedestal is provided with a support arm, the upper portion of the pedestal is provided with a supporting column, and the upper portion of the supporting column is provided with a measurement device. The anemobiagraph for a building is provided with the observation device and coordinates with the LCD display screen to allow users to perform visual observation and analysis of the measured data so as to ensure the integration and unity of the observation and the measurability of the anemobiagraph, and is provided with the indicator light and coordinates with the annunciator to allow the observation device to prompt users when it is detected that the periphery around the users has heavy wind so as to ensure safety of the users and devices.