55results about How to "Avoid double measurement" patented technology

The invention discloses a chaotic visible laser-based optical fiber fault positioning device and a positioning method thereof. The positioning device comprises a chaotic visible laser emitting device, an optical fiber coupler, an optical circulator, a photoelectric detector, an A / D (Analog / Digital) converter, a signal processing device and a display device. Chaotic visible laser signals emitted by the chaotic visible laser emitting device generate obvious visible bright spots at a fault point (11) of an optical fiber line to be tested (4) due to transmission, and the accurate positioning of the fault point can be realized by finding the visible bright spots in a range of the distance between a detection point and the fault point (11). According to the positioning device and the positioning method, the chaotic visible laser is used as a detection light source, and a chaos-related fault point detection technology and a visible optical fiber fault point detection technology are integrated, so that the fast and accurate detection and positioning of the optical fiber fault point is realized, and the problem that the optical fiber fault point is easily measured and not easily positioned is solved.

The invention relates to an integrated method for the measurement and reconstruction of a three-dimensional model and a system thereof. The method comprises the following steps: 1) obtaining the three-dimensional coordinates of surface markers of an object sample; 2) interactively constructing the three-dimensional model based on the three-dimensional coordinates. The method integrates measurement and reconstruction as a whole and simplifies an inverse reconstruction process of the three-dimensional model to benefit for the rapid inverse reconstruction of the object sample and to avoid complex secondary measurement (supplement measurement) and guarantee the integrity of the reconstructed model. Color and texture information of surfaces of the samples can be reconstructed, data volume of the reconstructed model is small and is suitable for being used under network environment. Repeated measure can be effectively avoided to improve the efficiency of measurement and reconstruction. A measuring apparatus has the advantages of small volume, light weight and convenient motion. The design intent of the model can be fully considered in the measurement and reconstruction process in favor of measurement planning.

Provided is an ANR measurement configuration method and device thereof. In a CGI measurement direction process, a measurement report of a terminal is received. The measurement report carries frequency points measured by the terminal and a PCI. The frequency points used for measuring CGI of PCI are confirmed by the terminal. A frequency point group used for measuring CGI of the terminal configuration is confirmed according to the confirmed frequency points.CGI measurement is carried out by indicating the terminal according to the PCI and the frequency point group. In the process of measurement configuration of the strongest cell, statistical information of the strongest cell measurement is obtained. According to the statistical information, the frequency points used by the strongest cell measurement by the terminal are adjusted. The strongest cell measurement is carried out by the terminal according to the frequency point group after adjusting.

This invention provides one three-desk electronic track weighting system and its data process method, wherein the system comprises weighting desk, data process unit. The weighting desks are three parts as left, middle and right one to get the train weight signals. The said weighting desk comprises desk part, column sensor, signal anti-lighting device, data collection card, wherein the data process unit is of imbedded system to process the train weight measurement signals. The said data transmission unit is to connect each weight desk and data process unit for transmission.

The invention discloses a portable hemoglobin solution measurement system and a measurement method thereof. The measurement system comprises an ARM control unit, a stable light source generation circuit, a cuvette, a photoelectric conversion circuit and an A / D converter. The measurement system and the measurement method have the advantages that: according to the absorption characteristic of the cyanomethemoglobin reaction solution to lights with different wavelengths, the ARM control unit controls the stable light source generation circuit to automatically divide time and switch to generate red and green lights and compare the light intensities of the red light and the green light after transmitting the solution to measure the concentration of cyanomethemoglobin reaction solution; the shortcoming that the traditional apparatus adopting a single-wavelength method needs to measure the blank solution to compare and correct is overcome, so the measurement efficiency is improved greatly and the operation is more simple; and errors caused by the external environment, operators and the like during two times of measurement are avoided, so the measurement precision is improved effectively.

The invention belongs to a processing method, and particularly relates to an abnormal odometer data post-processing method for an SINS / DR integrated navigation system. The abnormal odometer data post-processing method comprises the following steps: 1, based on measuring differential odometer slip judgment, calculating an odometer data abnormality condition according to a measuring differential jump; 2, correcting an error in case of an odometer slip situation, namely, correcting the error caused by the slip situation, according to the condition in the step 1. The invention has the effects as follows: when the data post-processing method is not used, if a slip occurs during track measurement, all subsequent measurement data have errors, so that a track is required to be remeasured; after the odometer data processing method based on measuring differential of the SINS_DR integrated navigation system is used for post-processing the data, the measurement error caused by the odometer slip can be corrected to avoid repeated measurement, so that the efficiency and the accuracy of track detection are effectively improved.

The invention discloses an aluminum profile integrated device. The device comprises a water tank, a water cutting head and aluminum profiles; T-shaped grooves are formed in surrounding surfaces of thealuminum profiles; the water cutting head is mounted on the outer wall of the water tank; a side plate of the water tank is connected with a clamping plate; a second transmission plate is arranged atone end of the water tank; sliding chutes are formed in the second transmission plate; sliding blocks are clamped in the sliding chutes; motors are arranged outside the sliding blocks; the motors areconnected with baffles; the water tank is connected with positioning plates; positioning blocks are mounted in the positioning plates; the positioning plates are connected with guiding plates; the tops of the guiding plates are connected with guiding rolls; and one ends of the guiding plates are connected with first transmission plates. Through sliding the sliding blocks, the distance between thebaffle and the water cutting head is equal to a cutting length of the aluminum profiles, the aluminum profiles are transmitted to the guiding plates from the first transmission plates; the guiding rolls on the guiding plates rotate to adjust the aluminum profiles to a vertical state so that the aluminum profiles properly enter into the positioning plates, the positioning blocks on the positioningplates are glidingly clamped into the T-shaped grooves on the aluminum profiles, the clamping plates clamp the aluminum profiles, the water cutting head cuts the aluminum profiles, and after the cutting is finished, the aluminum profiles are transmitted away from the second transmission plates.

The invention discloses a building curtain wall glass fiber reinforcement composite board mounting assembly and method, wherein the building curtain wall glass fiber reinforcement composite board mounting assembly and method facilitate construction and are wide in application range and low in engineering cost, and the mounting assembly is long in service life. The mounting assembly comprises a bolt set, steel angles and a glass fiber reinforcement composite board and further comprises a turning-connecting part, a steel pad and a fixing pipe. The building curtain wall glass fiber reinforcement composite board mounting method includes the steps of paying off, measuring, mounting point position determining, leveling, drilling, steel plate pre-burying, spacer and spring pad placing, composite board mounting, repairing, rust preventing, base layer processing, cleaning ending and the like. The mounting method is easy to operate, the composite board can move for the second time due to the buckle design of the steel pad and the turning-connecting part, and manual loss is reduced when board timing is performed. Construction is convenient and fast to perform, on-site machining performance is good, and sawing, planing, nailing, chiseling, drilling and pasting operation can be performed according to on-site conditions.

Disclosed is a continuous measuring method of the humidity of high-speed medium-temperature negative-pressure air. Continuous measurement of the humidity of the high-speed medium-temperature negative-pressure air is indirect. A measurement device is designed and mainly comprises a vacuum pump, a gas measuring chamber, a cooling chamber, a warmer, a hygrometer, an absolute pressure gauge, a solenoid valve, a regulating valve, and a thermal insulation device. Since an airflow channel is of negative pressure, the vacuum pump has a function of pumping to-be-measured airflow in negative-pressure environment to the gas measuring chamber. The gas measuring chamber has a function of thermal insulation and speed reduction; impact of high-speed airflow on a humidity sensor is reduced; and measurement requirements of the sensor are satisfied. The cooling chamber has a function of mixing the to-be-measured medium-temperature airflow with normal-temperature airflow of atmosphere to meet the temperature requirement of to-be-pumped gas by the vacuum pump. Data can be uploaded to center control, and remote control, real-time monitoring, and continuous measurement can be realized. The method has the advantage that the humidity of airflow in high-speed negative-pressure medium-temperature environment can be continuously accurately detected. The detection precision is high; repeated measurement is avoided; and the detection cost is reduced.

The invention provides an implementation method of a fault-tolerant logic H gate based on an RMQC code, and solves the problems of non-fault tolerance caused by the fact that a single quantum bit error is not considered and large resource consumption caused by repeated measurement of a stabilizer. The method comprises the following implementation steps: adding an H gate to a coded state to obtainan intermediate state; measuring the stabilizers to obtain symptom values; according to the symptom value, obtaining the type and position of a single quantum bit error; establishing a graph model ofthe RMQC code; Performing geometric classification on the stabilizers; grouping the stabilizers according to the geometric types of the stabilizers and determining repair operators corresponding to the stabilizers; correcting the symptom value according to the single quantum bit error, and determining a repair operator for repairing the intermediate state according to the corrected symptom value;and then adding the repair operator and the single quantum bit error to the intermediate state. The method has the advantages of fault tolerance and high resource utilization rate, and can be used forrealizing the fault-tolerant general logic gate set in the quantum computer.

The invention belongs to the field of medical monitoring, and discloses a method for quantifying the interactive effect of continuous blood pressure signals and physiological signals. The method comprises the following steps of correcting a linear relation model of blood pressure and pulse wave conduction time; synchronously and continuously collecting pulse wave signals and sleeping physiologicalsignals under the sleep state; according to the corrected linear relation model of blood pressure and pulse wave conduction time, obtaining a normal breathing section and a continuous blood pressurevalue including the one-time apnea section; according to a transmission entropy calculation formula, calculating transmission entropy of sleeping physiological signals to blood pressure of the normalbreathing section and the one-time apnea section, wherein the transmission entropy is used for quantifying the interactive effect of continuous blood pressure signals and physiological signals, and therefore the purpose of accurately quantifying the interactive effect of continuous blood pressure signals and physiological signals is achieved.

The invention discloses a full-automatic dual-ray detection method of mass concentration and elementary composition of particulate matter in gaseous fluid. The method comprises the steps that filter paper is transferred to a detection place of a beta-ray detection device which is fixedly mounted on a base for standing by using an automatic filter paper conveying device, particulate matter is enriched to form samples to be detected, concentration detection of the particulate matter is carried out simultaneously or after the enrichment is completed and a triggering signal is triggered; after the test is finished, the samples to be detected are transferred to a detection place of an X ray detection device installed on the base for performing concentration detection of heavy metals; then, the filter paper conveying action is repeatedly carried out, wherein the repeatability can be controlled in a periodical or pre-set automatic mode or manual mode. According to the method, full-automatic on-line periodical measurement on concentration of the particulate matter and concentration of the heavy metals in the gaseous fluid and the duty factor of the concentration of the heavy metals in the particulate matter can be realized, so that main sources of the gaseous fluid can be known; automatic control and unattended operation can be realized, thereby reducing the cost and increasing the efficiency.

The invention provides a channel modeling method and device, electronic equipment and a storage medium. The method comprises the following steps: determining the positions of a transmitting end Tx, a receiving end Rx and at least one anti-scatterer; determining respective signal models of the at least two signals of the target channel based on the Tx, the Rx and the position of the at least one backscatterer; wherein different types of signals correspond to different cluster structures, and each cluster structure comprises at least one of the following items: a direct reflection cluster LOSC, a static reflection cluster SC, a mobile reflection cluster MC and a mirror image cluster TC. According to the method, channel modeling is carried out on various signals of the target channel based on the geometric position relation of the Tx, the Rx and the backscatterer, and different types of signals correspond to different cluster structures, so that the irregular random geometric mixed channel model based on the cluster structures is effectively realized, the accuracy of the model is improved, the expansibility is high, and the method is suitable for popularization and application. Therefore, the universality of the model is improved, and repeated measurement of the channel is avoided.

The invention relates to the technical field of rainfall measurement, and solves the problem of inaccurate measurement caused by too small or too large measurement interval of an optical rain gauge in the prior art. A rain gauge comprises an optical metering module, a piezoelectric counting module and a control circuit, the optical metering module is fixedly connected with the piezoelectric counting module, and the optical metering module and the piezoelectric counting module are electrically connected with the control circuit. The optical metering module comprises a light guide cover, a light source and a detection module opposite to the light source. When the piezoelectric counting module is activated once, the optical metering module works once, and each drop of rainwater falling on the light guide cover is counted and metered, so that repeated measurement of the raindrops is avoided, missing detection is also avoided, and the measurement accuracy is improved.

The invention relates to a distributed network measurement method based on a hierarchical coordination multi-agent system. By adopting the method, the distributed network measurement can be realized by a cooperative multi-agent system consisting of a plurality of measurement nodes. The measurement nodes are divided into different logical levels according to the network position per se; the measurement nodes form clusters according to the physical topology, wherein the measurement nodes in the clusters are adjacent in the physical topology and each cluster is provided with a cluster head; the nodes in the cluster are only used for measuring chain information of other measurement nodes which are positioned at the same cluster with the measurement nodes; the cluster heads can be respectivelypositioned in two clusters; the roles in the bottom layer cluster are used as the cluster heads; and the roles in the upper layer cluster are used as general nodes in the cluster. Therefore, the real-time chain state information of two adjacent layers of network can be acquired by implementing the measurement on the nodes of the cluster nodes. Meanwhile, the network measurement data of two adjacent layers can be relayed by using the nodes of the cluster heads as a bridge for information interaction of measurement nodes in two adjacent nodes, thereby ensuring that the measurement nodes in the layers can get the state information of the network outside the layers.

The invention discloses an amniotic fluid detection measuring mat which comprises a hip nursing mat. An amniotic fluid mat is arranged on the hip nursing mat and comprises a light source, a first optical fiber, a second optical fiber, macromolecular materials and PH (potential of hydrogen) test paper, the macromolecular materials are arranged in the amniotic fluid mat, the first optical fiber is arranged at the top of the macromolecular materials, the light source is arranged on side of the first optical fiber, the PH test paper is arranged in the macromolecular materials, the second optical fiber is arranged at the bottom of the macromolecular materials, a grating fiber sensing network is arranged on the amniotic fluid mat and comprises a coupler, a wavelength mobile decoder and a fiber grating sensor, and a RGB (red, green and blue) digital sensor is arranged on the lower portion of the amniotic fluid mat. The amniotic fluid detection measuring mat has the advantages that the mat isreasonable in design, simple in structure and convenient to use, and amniotic fluid can be detected by the optical fibers and can further be accurately measured by optical gratings.

The invention discloses a beam magnetic center positioning device and method. The device comprises a base used for fixing a magnetic field generating device, a measuring device used for measuring the coordinate of each point in the magnetic field generating device and the corresponding magnetic induction intensity, and a beam unit used for positioning the magnetic center according to the measurement result of the measuring device. The beam unit comprises a first beam device used for emitting a first beam and a second beam device used for emitting a second beam. The beam unit is used for beam cross positioning according to the magnetic center coordinate determined by the measuring device. According to the invention, the beam magnetic center positioning device avoids measurement errors caused by using a geometric center point to position the magnetic center point; the measurement accuracy is improved; the device can memorize the magnetic center point, which avoids repeated measurements and improves the verification efficiency; and the device can be applied to other magnetic field generating devices which needs magnetic center point positioning, and has a wide application range.

The invention discloses a contact indicating method based on insulated measuring unit pair on the surface of measured object, used for measuring the diameter of the measured object with insulated surface by adopting a portable general large diameter measuring gauge with the measuring unit pair. Besides a body and two locating elements connected at the two sides of the body, the measuring unit pair also comprises two contact indicating circuits composed by an indicator and a battery which are connected in series, and the two contact indicating circuits are connected together by the adjacent locating elements in one measuring unit pair. When the adjacent locating elements in the measuring unit pair are contact on the circumference surface of the measured object with insulated surface, the indicator of one contact indicating circuit sends out an indicator signal. The invention has the advantages that: firstly, false contact in operation process and big error caused by false contact are avoided, thus ensuring measuring accuracy; secondly, burden of operator is relieved, especially psychological burden; and finally, reliability and efficiency of measuring are improved.

The invention relates to the field of a leakage detection device and particularly relates to a markable leakage detection device. The device includes a base plate, a cylinder body of a pneumatic telescopic cylinder is fixed with a leakage detector, an upper end of a telescopic rod of the pneumatic telescopic cylinder is fixed with a sliding rail, sliding blocks are in threaded connection with leading screws, the middle of upper ends of the sliding blocks is fixed with an enclosure frame, a split core type current transformer is electrically connected with the leakage detector, a wrench of thesplit core type current transformer is arranged outside the enclosure frame, the sliding block at the left side of the enclosure frame is fixed with a cylinder of which the stretching direction of thetelescopic rod faces forwards the enclosure frame, the cylinder and an air pump are communicated with an air pipe, the telescopic rod of the cylinder is fixed with a fixing rod capable of triggeringthe wrench of the split core type current transformer, and the sliding block at the rear of the right side of the enclosure frame is fixed with a marking device. The device is advantaged in that the structure is simple, operation is convenient, work efficiency and personal safety of power workers can be improved, the marking function is achieved, rod detection is convenient, and repeated measurement is avoided.

The invention discloses a method for dynamically measuring the weight of a swinery and analyzing the growth trend of the swinery, and relates to a method for dynamically feeding the swinery. The method includes: using a camera image wireless acquisition device to acquire a dynamic swinery image with identification ear tags on two nails, and transmitting the dynamic swinery image to a remote operation processing computer through the Internet; extracting a complete image of the pig with the complete ear tag in the image; using a deep learning RCNN to identify the whole pig and main appearance organs: a pig head and a pig ear; identifying an ear tag in the image through an intelligent algorithm to obtain an individual identification id; determining boundaries of the three identification targets by using an edge detection algorithm, subtracting the minimum ordinate from the maximum ordinate according to edge detection to perform the same processing on theabscissa to determine length and width feature sizes, and comparing the length and width feature sizes with the ear tag size to obtain a real size; according to the real size, reversely deducing the real weight by an empirical formula. The method is suitable for obtaining weight identification of pigs in group movement, giving a growth trend curve of each pig, digitally guiding fattening of a breeding factory, and improving benefits of the breeding factory.