35results about How to "Measure objectively" patented technology

A tool for measuring the thickness of sinking slag on hole bottom of a bored pile comprises a measurement rope, and a metal measurement hammer fastened to the bottommost end of the measurement rope, wherein the measurement rope is composed of a sheath layer and a core layer; the sheath layer is sheathed on the outer side of the core layer in a loose fit manner; the metal hammer is fastened to the lower end of the core layer; a vertical sleeve is connected with the lower end of the sheath layer; a horizontal bottom sheet is arranged at the lower end of the vertical sleeve and is fixedly connected with the vertical sleeve as a whole; the metal measurement hammer is sheathed in the vertical sleeve in a loose fit manner; the upper end of the core layer is exposed out of the sheath layer; and length scales are formed the upper end of the core layer. The tool can objectively measure the thickness of sinking slag on the hole bottom of the bored pile without the need of the subjective determination of engineers based on experience and hand feeling. The invention also provides a method for measuring the thickness of sinking slag on the hole bottom of the bored pile.

The embodiment of the invention provides a method and apparatus for measuring eye parameters. The method includes: obtaining a shot image of the eye, wherein the shot image comprises a shot photo anda medical detection image; recognizing a cornea and an eyelid of the eye in the shot image, and generating a mark line for marking the distance between an end point of the cornea and a corresponding end point of the eyelid according to the cornea and the eyelid; determining a first pixel number, occupied in the shot photo, of the mark line as a first measuring result of an eyelid retraction amount; recognizing the medical detection image to obtain a bone structure of the eye; determining a portion enclosed by the bone structure as a to-be-segmented target; obtaining an image grayscale value ofthe to-be-segmented target, and extracting segmented eye muscle according to the image grayscale value; and determining a measuring result of an eye muscle cross-sectional area according to a secondpixel number occupied by the eye muscle and a preset corresponding relation. The apparatus executes the above method. According to the method and the apparatus, the eye parameters can be objectively and accurately measured with high efficiency.

The invention discloses an automatic measuring method and device of intrapartum cephalopelvic relationship based on ultrasonoscopy. The automatic measuring method comprises the steps that a puerpera transperineal ultrasonoscopy data set for training is obtained, and taken as a training set; data in the training set are input into a constructed neural network model, an end-to-end split model is trained, and interested areas of the symphysis pubis and the fetus head are split; training is conducted repeatedly, a trained neural network model is obtained; and in practice application, the ultrasonoscopy collected in real time is input into the trained neural network model, the interested areas of the symphysis pubis and the fetus head are obtained, enhancing and edging fitting are conducted onthe interested areas, and the fetus head angle of descending AOD of and the symphysis pubis-fetus head distance SFD are calculated. Compared with an existing intrapartum fetus parameter measuring method, according to the automatic measuring method and device, intrapartum fetus parameters can be accurately and objectively measured in real time, any priori knowledge and human intervention are not needed, the requirement of real-time application can be met, and clinical application prospects are achieved.

The invention relates to a gear internal diameter measurement mechanism based on self-centering and a measurement method thereof. The measurement mechanism comprises a centering driving portion, a passive rotation measuring portion and an equipment main body portion, wherein a body and a passive rotation sleeve are respectively mounted on a platen, the body is provided with a cylinder, a piston ofthe cylinder is connected with a lifting sliding table, a rotation fixing sleeve is mounted on the lifting sliding table, a power source is mounted on the rotation fixing sleeve through a fixing support, a rotation shaft is rotatably mounted on the rotation fixing sleeve, one end is connected with an output end of the power source, the other end is connected with a positioning top tip, a rotationdisc and a rotation seat are arranged below the positioning top tip, the rotation seat is rotatably mounted on the passive rotation sleeve, the rotation disc is mounted on the rotation seat and is used for carrying a to-be-measured gear, and a gauge block type displacement sensor is arranged in the rotation seat and is mounted on the passive rotation sleeve through a sensor support. The measurement mechanism is advantaged in that automatic centering, active pressure driving, passive rotation and dynamic measurement are realized, the measurement mechanism is suitable for measuring gears in multiple internal diameter dimensions, measurement precision is high, and work reliability is realized.

The invention relates to a method for measuring a solid structure of a forest gap which includes the following steps of: using a digital camera provided with a fish-eye lens to vertically upwards shoot two semi-spherical images at the different height of any position in the forest gap; measuring the parameters of the forest gap; processing the two semi-spherical images and recording the coordinates of the edge points of a forest canopy in the forest gap; calculating the area and the shape of the forest gap and the heights of the forest canopy of the forest gap of each orientation according to the protection principle of the fish-eye lens as well as each coordinate point and the parameters of the forest gap. The invention firstly provides a method for measuring the solid structure of the forest gap, can fast and objectively measure the area and the shape of the forest gap and the heights of the edge wood of the forest gap of each orientation, is easily used, only two semi-spherical images is shooted when measuring the area and the shape of the forest gap, only two parameters of a gradient and an aspect are added when calculating the heights of the edge wood of the forest gap of each orientation with higher measuring precision; besides, the measuring result is not affected by the measuring position.

The invention relates to a method for utilizing pictures to measure waterfoul body size. The method includes the following steps: 1), checking a picture scale; 2), measuring picture body size; 3), converting between individual body size picture measured value and individual body size actual measured value. Due to adoption of the above technical scheme, the method has the advantages that waterfoul body size data measuring is more objective, and diversity of measurement results due to difference in measuring point acknowledgment can be avoided by utilizing the pictures to measure the waterfoul body size; manpower resources are saved, and one person can complete individual body size measuring tasks which can be completed by ten and more persons originally through waterfoul body size picture measuring; body size measuring results are more accurate, and inaccuracy in body size measuring of each body size due to difficulty in individual fixing and tissue sliding can be avoided after picture measuring is adopted.

The invention discloses a method for determining the stem content of tobacco shreds based on the near infrared spectrum technology. The method comprises steps of preparing standard tobacco powder samples with different stem contents; collecting a near infrared spectrogram of each standard tobacco powder sample, and carrying out order derivation to obtain a new spectrogram; obtaining a significantfluctuation interval and a standard curve; calculating an Euclidean distance from each new spectrogram to the standard curve in each significant fluctuation interval and adding the Euclidean distancesof the same new spectrogram in all significant fluctuation intervals to obtain a similarity coefficient of each new spectrogram; fitting a relational expression of the stem content and the similaritycoefficient according to the similarity coefficient of each new spectrogram and the stem content of the corresponding standard tobacco powder sample; obtaining the similarity coefficient of to-be-detected tobacco shreds, and calculating the stem content in the to-be-detected tobacco shreds based on the relational expression of the stem content and the similarity coefficient. The method is a brand-new method capable of accurately, quickly and objectively measuring the stem content in the tobacco shreds, and meets the technical requirements of stem content measurement in the prior art.

The invention relates to a measuring device for the sound collection range of a communication terminal. Loudspeakers are arranged on the other side of a terminal to be measured; the terminal to be measured and an artificial mouth are arranged on an artificial head; and the artificial head is arranged on a rotating platform. The measuring device overcomes the defects that the conventional measurement of a sound collection range is centered on the directivity, the collection intensity of sounds in different distances cannot be measured owing to playing a single sound, and the result of the measurement is inaccurate. The measuring device measures the sound collection range of the terminal to be measured, so as to provide effective, impersonal and accurate measurement of the sound collecting range, accurately measure the sound collection range of the terminal to be measured, and ensure accurate, effective and impersonal measurement of the sound collection range.

The embodiment of the invention relates to the technical field of the augmented reality, and discloses a dispersion measurement device and method for augmented reality equipment. In the embodiment ofthe invention, the dispersion measurement device for the augmented reality equipment comprises camera shooting equipment which is collinear with a main optical axis of the augmented reality equipmentand a processor, wherein the processor is in communication connected with the camera shooting equipment; and the processor is used for controlling the camera shooting equipment to capture a referenceimage and a test image which are displayed by the augmented reality equipment, and obtaining dispersion information of the augmented reality equipment according to the contour deviation between the captured test image and reference image. The embodiment of the invention further provides a dispersion measurement method for the augmented reality equipment. By adopting the embodiment of the invention, the dispersion of the AR (Augmented Reality) equipment can be objectively measured, the measurement is fast and efficient, and the accuracy is high.

The invention belongs to a new method for elastic determination of a particle profile control agent. The new method comprises the following steps: (1) expressing a resilience factor of a particle profile control agent (described in the specification); (2) screening the profile control agent; (3) preparing an experimental sample; (4) measuring piston height H0 under the initial atmospheric pressurecondition; (5) setting a pressure corresponding to piston height H1 and measuring; (6) determining a resilience height H2, namely a pumping pressure is released when a device is pressurized to a setpressure 4MPa and simultaneously recording a relation curve showing that the resilience height H2 of a piston varies along with time after the particle profile control agent is freely expanded; and (7) performing data processing, namely according a resilience factor calculation formula, giving a relation curve showing that the resilience factor varies along with the time, reading a value of the curve when the curve is smooth and steady and taking the value as the resilience factor under the condition.

The invention relates to the detection for bacterial endotoxin, concretely a limuloid reagent sensitivity determining method, its character: 1) adopt standard endotoxins at 3-6 concentrations to test standard limuloid reagents at different sensitivities on the endotoxin determiner, make linear regression on the logarithms of reacting time and endotoxin concentration, to obtain the corresponding standard curves at different sensitivities as the justification basis; 2) make the limuloid reagent to be measured react with standard endotoxins at 1-6 concentrations, on the corresponding condition of reacting time or solution absorbency, use the standard curves to calculate endotoxin concentration and recovery, according to the sensitivity corresponding to the standard curve at the recovery 75-120%, determine it as the sensitivity of the limuloid reagent to be measured.

The invention provides a management method for breeding seedlings, belonging to the technical field of fruit tree breeding, which comprises the following steps: 1) densely planting seedlings in two rows in a nursery; 2) carrying out winter shear in that first year after the seedling is planted, wherein the winter shear comprises the following steps of: cutting the lateral branches with the lengthbeing equal to or more than 5 cm into short sections at the positions of 4 to 12 cm; the time of winter shear is after leaf defoliation of seedlings before germination; 3) carrying out winter shear onthat germinated lateral branches in the second year after the seedling is planted, wherein the shear comprises cutting erect and overlapping branches, retaining oblique, horizontal and pendulous branches, and continuously shortening the lateral branches with the length being equal to or more than 5 cm at the positions of 4 to 12 cm; 4) in the later each year, carrying out winter shear only on theside branch as in the step 3). The management method can reduce the land space occupied by each seedling, greatly increase the number of plant per unit area, reduce the height of the tree body, shorten the breeding period, and make the juvenile span measurement more accurate.

The invention discloses a method for measuring quality of experience (QoE). The method for measuring the QoE comprises the steps that an event message sent by a receiving end is received, and the event message comprises a condition message used for judging the reason why valid media data in a buffer memory of the receiving end are insufficient; whether the insufficient valid media data in the buffer memory of the receiving end are caused by a service system or a user behavior is judged according to the condition message; the reducing degree of the QoE is respectively measured according to different reasons causing the insufficient valid media data in the buffer memory. According to the method for measuring the QoE, the insufficient valid media data in the buffer memory of the receiving end caused by the service system are distinguished from the insufficient valid media data in the buffer memory of the receiving end caused by the user behavior, the reducing degree of the QoE is respectively measured according to different reasons causing the insufficient valid media data in the buffer memory, and therefore the measurement of the QoE is more accurate and objective, and network resources can be utilized more reasonably.

The invention relates to a content determination method for multiple components in a Yupingfeng preparation. The method comprises the steps of: (1) taking the Yupingfeng preparation, crushing or not crushing it, then performing precise weighing, adding methanol to conduct reflux extraction for 1-3h, carrying out filtration and concentration, then adding methanol to a constant volume, thus obtaining a test solution; (2) precisely weighing the reference substance prim-o-glucosylcimifugin, calycosin-7-glucoside, cimifugin, 5-O-methylvisammioside, sec-o-glucosylhamaudol, calycosin, formononetin, atractylenolide III, atractylenolide I and atractylenolide II respectively, and adding methanol to perform dissolving to a constant volume, thus obtaining a mixed reference solution; (3) conducting determination: precisely sucking the test solution and the mixed reference solution respectively, injecting them into a high performance liquid chromatograph, carrying out gradient elution under certain mobile phase condition, and performing multi-wavelength simultaneous monitoring, thus obtaining the content. The method provided by the invention can accurately determine the content of 10 components in the Yupingeng preparation, and can objectively, comprehensively and sensitively reflect the quality condition of the Yupingfeng preparation.

The present invention discloses a method for measuring user quality of experience QoE, where the method includes the following steps: receiving event information sent by a receiving end, where the event information includes condition information for determining a cause for shortage of valid media data in a buffer of the receiving end; determining, according to the condition information, whether the shortage of the valid media data in the buffer of the receiving end is caused by a service system or caused by a user's action; and measuring QoE decrease degrees according to different causes for the shortage of the valid media data in the buffer, respectively. In the method for measuring QoE according to embodiments of the present invention, shortage of valid media data in a buffer of a receiving end caused by a service system problem and shortage of valid media data in the buffer of the receiving end caused by a user's action are distinguished, and QoE decrease degrees are measured according to different causes for the shortage of the valid media data in the buffer, respectively, so that QoE is measured more accurately and more objectively, and network resources can be used properly.

The invention discloses an indentation measuring device for mechanical properties of soft tissue of residual limbs, belongs to the field of medical engineering prosthetic fitting detection, and aims at making the structure of a measurement device simple and portable and making measurement data more accurate. The indentation measuring device for the mechanical properties of the soft tissue of the residual limbs is characterized by comprising a rigid shell, wherein the inner side of the rigid shell is provided with an air bag, the air bag is filled with a certain pressure of gas, the side face of the rigid shell is provided with an avoidance hole, the rigid shell is provided with an indentation measuring device body, the indentation measuring device body comprises a fixedly arranged holder,an output end of the holder is connected with a linear stepping motor, the linear stepping motor is provided with displacement measurement equipment for measuring the moving distance of an output endof the linear stepping motor, the output end of the linear stepping motor is connected with a pressure sensor, and the pressure sensor is connected with a pressing rod passing through the avoidance hole. The indentation measuring device solves the problems that an existing structure is complicated in structure, and poor in portability, and a vertical relation between a pressure head and measurement tissue is difficult to ensure, a compression state of a prosthetic socket to the residual limbs is fully simulated in the measurement process, and the squeezing effect of the surrounding soft tissueon a measurement site is avoided as much as possible.

The invention discloses a method for determining the content of stems in cut tobacco based on near-infrared spectroscopy, comprising: preparing standard tobacco powder samples with different stem contents; collecting the near-infrared spectrum of each standard tobacco powder sample, and performing order Derivation to obtain a new spectrum; obtain a significant fluctuation interval and a standard curve; calculate the Euclidean distance from each new spectrum to the standard curve in each significant fluctuation interval and the Euclidean distance of the same new spectrum in all significant fluctuation intervals respectively Add the similarity coefficient of each new spectrum; fit the relationship between the stem content and the similarity coefficient according to the similarity coefficient of each new spectrum and the stem content of the corresponding standard tobacco powder sample; obtain the similarity coefficient of the cut tobacco to be tested, The stalk content in the cut tobacco to be tested was calculated based on the relationship between the stalk content and the similarity coefficient. The above method is a brand-new method that can accurately, quickly and objectively measure the content of stems in cut tobacco, and meets the technical requirements for the determination of the content of stems at the present stage.

The invention relates to the detection for bacterial endotoxin, concretely a limuloid reagent sensitivity determining method, its character: 1) adopt standard endotoxins at 3-6 concentrations to test standard limuloid reagents at different sensitivities on the endotoxin determiner, make linear regression on the logarithms of reacting time and endotoxin concentration, to obtain the corresponding standard curves at different sensitivities as the justification basis; 2) make the limuloid reagent to be measured react with standard endotoxins at 1-6 concentrations, on the corresponding condition of reacting time or solution absorbency, use the standard curves to calculate endotoxin concentration and recovery, according to the sensitivity corresponding to the standard curve at the recovery 75-120%, determine it as the sensitivity of the limuloid reagent to be measured.

The embodiment of the invention relates to the technical field of the electronics, and discloses a measurement device and method of visible equipment imaging brightness. The measurement device of thevisible equipment imaging brightness comprises camera equipment co-line with a principle optic axis of the visible equipment, and a processor; the processor is in communication connection with the camera equipment; the processor is used for the camera equipment to capture a testing image displayed by the visible equipment and taking the captured image as a reference image, wherein the testing image is a pure white image; the processor is further used for acquiring color brightness of each pixel point of the reference image, and acquiring the real imaging brightness information of the visible equipment according to the color brightness of each pixel point and the brightness function of the real brightness, wherein the brightness function is a mapping relation of the color brightness and theactual brightness. The embodiment of the invention further provides a measurement method of visible equipment imaging brightness. By adopting the measurement device disclosed by the embodiment of theinvention, the imaging brightness of the visible equipment can be objectively measured, and the device is low in cost, fast and efficient and high in accuracy.

The invention provides an elevator hydraulic buffer resetting performance dynamic measuring method. The measuring method comprises the following steps of first, measuring an initial distance between a blocking plate and the ground of an elevator bottom pit; second, measuring a distance between the blocking plate and the ground of the elevator bottom pit; third, judging whether an elevator car goes down or not and whether the elevator car is contacted with an elevator buffer; fourth, measuring a distance between the elevator car and the elevator bottom pit; fifth, judging whether the elevator car goes up or not; sixth, judging whether the elevator buffer finishes resetting; and seventh, processing data to obtain resetting time of the elevator buffer and analyzing the resetting performance of the elevator buffer. The measuring method can quickly and accurately measure the resetting time of the buffer, ensures the buffer to meet the safety requirement, and accordingly improves the measuring accuracy and the work efficiency of inspectors. The invention further provides a tester adopted by the method. The tester is simple in installation and meets the requirements of newly adopted elevator inspection procedures.

A method for measuring the size of a waterfowl body using a picture, comprising the following steps: 1) a picture scale calibration step; 2) a picture body size measurement step; and 3) a step of conversion between a picture measurement value of an individual body size and an actual measurement value of the individual body size. The beneficial effects of the present invention mainly lie in: 1, the measurement of the waterfowl body size data is more objective, and the diversity of measurement results caused by difference in measurement point cognition can be avoided by measuring the waterfowl body size using a picture; 2, human resources are saved; and 3, the body size measurement result is more accurate.

The present invention relates to the detection of bacterial endotoxin, specifically a kind of method for measuring the sensitivity of Limulus reagent, 1) adopt the standard endotoxin of same concentration, on the endotoxin analyzer, carry out respectively to the standard Limulus reagent of different sensitivity Repeat the test to obtain the mean value and standard deviation of the corresponding characteristic reaction time; 2) the limulus reagent of the sensitivity to be tested reacts with the standard endotoxin of the same concentration and obtains the corresponding characteristic reaction time, and compares the reaction time with the standard of different sensitivity The mean value and the standard deviation of the reaction time of the LAL reagent are compared to judge and obtain the sensitivity of the LAL reagent to be tested. The invention has the advantages of quickness, accuracy and wide application range.

The invention provides a method for researching the main pore size range of shale oil. The method for researching the main pore size range of shale oil comprises the following steps: selecting a series of oil-bearing shale samples in a research unit, and dividing the oil shale sample into three parts which are a sample 1, a sample 2 and a sample 3 respectively; determining the bulk density of theshale by using the sample 1; determining the oil content and the grain density of the shale by using the sample 2; calculating the proportions of pores having different pore sizes by using the sample3; calculating the porosity and the oil saturation of the shale according to the bulk density, the grain density and the oil content of the shale, obtained in experiments; and determining the main pore size range of the shale oil according to the relationship between the oil saturation of the shale and the volume proportion of pores having different pore sizes in the total pore volume of the shale. The relationship between the oil saturation and the proportions of all the pore sizes, established through the method for researching the main pore size range of shale oil can objectively quantitatively research the main pore size range of shale oil.

The invention provides an experimental system for measuring brain load in multi-task visual cognition and a method. The system consists of an adjustable seat, a virtual vision interface display device and electroencephalogram signal acquiring and processing equipment, the adjustable seat and the virtual vision interface display device are used for simulating visual cognition tasks under various work conditions, the electroencephalogram signal acquiring and processing equipment is used for synchronously acquiring human electroencephalogram signals in a simulated visual cognition process, and acquisition and extraction of the electroencephalogram signals in a visual cognition scheme under the multiple tasks can be realized by the experimental system. The electroencephalogram signals of visual cognition under the different tasks are compared by means of analysis of electroencephalogram complexity, and the corresponding relationship between brain waves and brain activities is obtained, and accordingly brain load conditions in a visual cognition process can be judged.

The invention belongs to the technical field of electronic information system testing evaluation and discloses a complex electromagnetic environment measuring system and method based on vectors. The measuring system comprises an electromagnetic environment parameter collecting system and an electromagnetic environment measuring system, the electromagnetic environment parameter collecting system is connected with the electromagnetic environment measuring system through a network, and the electromagnet environment parameter collecting system is composed of a spectrum analyzer, a signal direction-finding system and a system time service device which is respectively connected with timing system devices of the spectrum analyzer and the signal direction-finding system. According to the measuring method, an electromagnetic environment parameter data center is established, parameters of a time service electronic information system are recorded into, and the electromagnetic environment complexity is calculated. The problem, faced by time service electronic information equipment, of evaluating the electromagnetic environment complexity is solved, all factors of the electromagnetic environment are accurately measured, and electromagnetic environment setting bases are provided for test evaluation of the electronic information system and electromagnetic environment adaptability training of the electronic information system.

The invention provides a performance appraising system based on mathematical statistics. The performance appraising system is characterized by involving the following steps that firstly, enterprise basic management elements are determined, the quality characteristics of the basic management elements are recognized, and key control indexes are determined; secondly, simulation quantification is conducted on the key control indexes through an analytic hierarchy process, and weight coefficients, shown in the specification, of complexity and importance of the key control indexes are determined; thirdly, intensity coefficients of department work are calculated through medians; fourthly, the reach quality level of the key control indexes is calculated through an efficacy coefficient method, and an efficacy coefficient value is acquired; fifthly, the performance is calculated through the weight coefficients acquired in the second step, the strength coefficients acquired in the third step and the efficacy coefficient value acquired in the fourth step. The complexity and the importance of the indexes are scientifically calculated through the analytic hierarchy process, a median class and the efficacy coefficient method, simulation quantification of a qualitative problem is achieved, the work intensity is more objectively measured, and quality difference evaluation is more effective.