42results about How to "Avoid measurement failures" patented technology

The method of RNC controlled switching between different frequencies and different systems for measurement includes the following steps: for RNC to determine whether to re-assign UE business channels based on the received measurement report from UE; and for RNC to determine to which time interval the UE business channels will be assigned in case of re-assigning. The present invention determines the channel transfer based on the information in UE measurement report, and this can avoid failure in measurement and ensure communication quality.

The invention discloses a method for automatically adjusting a head wave detection voltage threshold value of an ultrasonic flowmeter, relates to the technical field of flow velocity measurement, and ensures that the ultrasonic flowmeter accurately identifies a head wave and measures the flow velocity under a complex working condition by dynamically detecting and adjusting the peak value of a received signal and a wave hopping phenomenon. The method comprises the following steps: S101, initializing a peak acquisition circuit, an adjustable potentiometer, a logic control circuit and a head wave trigger and zero-crossing control circuit of a system, and adjusting the gain of an amplifier; by dynamically monitoring the peak value of the ultrasonic receiving signal and adjusting the head wave triggering voltage threshold value, the accuracy of flow velocity measurement is remarkably improved, false triggering and missing triggering caused by a fixed threshold value are reduced, the measurement error is reduced, the measurement precision is improved, the head wave signal is reliably identified by an introduced front-back jump wave fine tuning mechanism, the measurement failure is prevented, and the accuracy of flow velocity measurement is improved. The ultrasonic flowmeter can stably work in a dynamically changing industrial environment, and the high-precision metering requirement is met.

The invention discloses a device, a system and a method for steel rail parameter automatic measurement, which belongs to the technical field of optical measurement. The steel rail parameter automatic measurement device comprises a steel rail longitudinal-displacement automatic measurement unit, a data transmission unit and a power supply module or further comprises a central processing unit and a steel rail temperature automatic measurement unit; the steel rail longitudinal-displacement automatic measurement unit comprises a marker, a marker receiving processor and a rail side spud pile or further comprises a light source compensator; the steel rail longitudinal-displacement automatic measurement can be realized through the steel rail longitudinal-displacement automatic measurement unit; the steel rail parameter automatic measurement system comprises two or more steel rail parameter automatic measurement devices and a common central processing unit; and the steel rail temperature stress automatic measurement can be realized through the steel rail parameter automatic measurement system. The invention can realize the all-weather measurement, has high measuring accuracy, can automatically search the section with the largest temperature stress for the steel rail and further avoids an accident.

The invention discloses a measuring switch method of a WCDMA system and a GSM system, which divides the GSM system cell into a first frequency band GSM system cell and a second frequency band GSM system cell, a first threshold and a second threshold for measuring and controlling are provided; user equipment dynamically detects the self-used WCDMA carrier frequency quality, and selects following three operation according to the detecting result of the carrier frequency quality and the first threshold as well as the second threshold: 1) continuing the detection without processing; 2) measuring dynamically the first frequency band GSM system cell and judging whether to switch, and then switching into the first frequency band GSM system cell according to the measuring result to complete the switch; 3) measuring dynamically the second frequency band GSM system cell and judging whether to switch, and then switching into the second frequency band GSM system cell according to the measuring result to complete the switch. The method of the invention can not only save needless system load, but also avoid the measuring failure.

The invention discloses an intelligent drainage system and method for a transformer substation. The system comprises a water pumping device, a water level monitoring device, a sludge detection device,a rainfall monitoring device and a controller which are installed in a cable trench. The water pumping device is used for pumping accumulated water in the cable trench and is electrically connected with the controller; the water level monitoring device is used for monitoring the water accumulation condition in the cable trench and is electrically connected with the controller; the controller is used for processing feedback information of the water level detection device and controlling starting and stopping of the water pumping device and is in communication connection with the remote terminal; the rainfall monitoring device is used for monitoring environment rainfall and is electrically connected with the controller; and the sludge detection device is used for monitoring the sludge deposition condition at the bottom of the cable trench and is electrically connected with the controller. According to the device, the sludge deposition condition in the cable trench is considered; the vibration device, the transmission device and the stirring device are arranged, so the measurement accuracy of the water level gauge and the water pumping efficiency of the water pumping device are guaranteed.

The invention discloses a hollow inclusion crustal stress telemetry system and a method and relates to the technical field of geology, energy, deep mineral products and underground geotechnical engineering reconnaissance survey. The hollow inclusion crustal stress telemetry system comprises a hollow inclusion strainometer and a telemetry master computer. A strain foil, an orientator, a gathering module, a transmitting module and a transmitting antenna are arranged inside the hollow inclusion strainometer which is used for measuring, gathering and transmitting strain and azimuthal angles. The telemetry master computer is composed of a receiving antenna, a receiving module, a signal processing module, a data processing module and a data outputting and displaying module. The telemetry master computer is used for receiving, processing and storing parameter information such as the strain and the azimuthal angles. Through wireless transmission long-distance telemetry, the hollow inclusion crustal stress telemetry system and the method have the advantages that the problems of the redundant wiring process of geostress survey, cable winding, drilling cooling and the like are solved, test efficiency and precision are improved, measuring cost is saved, capacity of resisting disturbance is strong, and instruments are easy and convenient to operate.

The invention discloses a donor-acceptor distance distribution measuring method based on fluorescence correlation spectroscopy. Fluorescent labeled living cells of donors and acceptors are subjected to a selective donor excitation operation through a fluorescence correlation spectroscopy module of a laser scanning confocal microscope in different laser power. A correlation card acquires photon number fluctuation signals of a donor channel and an acceptor channel to form a self-correlation curve. Energy transfer rate and energy transfer efficiency can be calculated through triplet state analysis of the self-correlation curve of the acceptors. In addition, triplet state distribution of the energy transfer rate and the energy transfer efficiency can be inverted from the self-correlation curve of the triplet state of the acceptors through a maximum entropy algorithm so that donor-to-acceptor distance distribution can be calculated. A fluorescence correlation spectrum analysis method itself is an excellent technology of measuring concentration of a dilute solution, so that the measuring method can be used for measuring donor-acceptor non-paired fluorescence resonance energy transfer efficiency and donor-acceptor non-paired distance distribution after integration items of overlap items of the spectrum being corrected with respect to the donor-acceptor concentration proportion. The measuring method is convenient to use and high in measuring precision.

The invention discloses a dynamic temperature measuring device in high-temperature breaking strength tensile test. The dynamic temperature measuring device comprises a cylindrical tensile test piece, a tensile test machine chuck, an infrared radiation array, a temperature measuring thermocouple wire, a thermocouple end temperature measuring point, high-temperature-resisting insulation casing pipes, tension springs, a two-groove crown block, a computer, a high-power phase-shifting voltage controller and a light high-temperature insulating board. The dynamic temperature measuring device can be used in the high-temperature breaking strength tensile test, when the diameter of the cylindrical test piece is continuously reduced and even a great reducing deformation process occurs, the dynamic variation of the temperature on the surface of the cylindrical tensile test piece still can be reliably recorded, the key characteristic parameters such as strength limit of aerospace materials in a variable thermal environment at high speed can be acquired, and important test evidence can be provided for determining the load bearing capacity of the aerospace materials in the fast dynamic thermal environment.

The invention relates to a method for switching measurement between an RNC control frequency and a system, comprising the following steps: an RNC decides whether to redistribute a traffic channel of a UE according to received measurement report from the UE; and if the RNC decides to redistribute the traffic channel of the UE, the RNC decides which time slot to redistribute the traffic channel of the UE. The method synthetically considers according to signal strength condition of a peripheral cell and a cell reflected in measurement report of the UE, and decides whether to more the channel. If the signal of the UE is strong in the cell or weakens in the cell, but the periphery has other cells with stronger signals, the method can ignore and bear measurement failure during measurement of a target cell; and if the signal of the UE is weak in the cell, and the periphery has no any synchronous cell, or has a synchronous cell, but is not suitable for switching, and the method needs to move the channel of the UE. Therefore, the method can avoid measurement failure, so as to reduce cutting off rate.

The invention relates to the technical field of tire pressure detection, and discloses tire pressure information acquisition equipment and an operation system thereof, the tire pressure is monitored by adopting a mode of combining a direct method and an indirect method, so that the measurement failure of a tire pressure monitor caused by factors such as high temperature can be avoided, and the measurement failure caused by factors such as high temperature can also be prevented; and furthermore in an indirect measurement method, the condition that the tire pressure of a plurality of tires is abnormal at the same time and cannot be known by a wheel speed sensor is avoided, the monitoring precision is improved, the safety of vehicle driving is improved, a temperature sensor and the like are arranged, a piston is matched with an air inlet pipe for continuous air inlet, the air pressure in the tires is reduced in a self-adaptive mode, and the tire burst phenomenon caused by too high tire pressure is avoided; through arranging an exhaust electromagnetic valve and the like, the highly-compressed gas in the gas storage pipe barrel is gradually exhausted into the tire through the exhaust pipe, so that the tire pressure of the tire in the corresponding low-temperature environment is increased in a self-adaptive manner, the phenomena of driving comfort weakening and the like caused by insufficient tire pressure in the low-temperature environment are avoided, and the safety of a vehicle in the driving process is further improved.

The invention discloses a frequency point information processing method and user equipment. One frequency point information processing method comprises the following steps of: receiving measurement control information sent by the network equipment, wherein the measurement control information comprises the frequency information of inter-frequency measurement under the condition of not starting the compression mode; and eliminating the stored frequency information of inter-frequency measurement under the condition of not starting the compression mode when the type of the frequency information of inter-frequency measurement under the condition of not starting the compression mode in the measurement control information is different from that of the stored frequency information of inter-frequency measurement under the condition of not starting the compression mode. According to the technical scheme of the invention, the measurement failure problem is avoided when UE (user equipment) measures adjacent frequency and the compression mode is not started.

The embodiment of the invention relates to a shear wave attenuation coefficient measurement method and system, and solves a problem of measurement failure caused by the fact that an ultrasonic detection method cannot penetrate through some media. The shear wave attenuation coefficient measuring method comprises the following steps of applying a nuclear magnetic resonance pulse sequence to a measured object with a stable vibration state, performing motion coding in cooperation with a static or controllable gradient magnetic field to detect nuclear magnetic resonance echo signals of at least twodifferent positions of the measured object, and analyzing and processing the nuclear magnetic resonance echo signals to obtain a shear wave attenuation coefficient; the system comprises a magnetic resonance system, a mechanical vibration excitation device and a nuclear magnetic resonance console. The method is advantaged in that the attenuation coefficient of the solid or semi-solid is measured in a non-invasive and non-destructive manner based on low-field nuclear magnetic resonance.

The invention provides a mine rigid shaft guide spacing measurement system and method. The system comprises a first eddy current displacement sensor used for measuring a first actual distance between the first eddy current displacement sensor and one side of a shaft guide, a first laser displacement sensor used for measuring a second actual distance between the first laser displacement sensor and a first sliding block, a second eddy current displacement sensor used for measuring a third actual distance between the second eddy current displacement sensor and the other side of the shaft guide, a second laser displacement sensor used for measuring a fourth actual distance between the second laser displacement sensor and a second sliding block, and a controller which determines the distance between the shaft guides according to the first actual distance, the second actual distance, the third actual distance, the fourth actual distance, a fifth actual distance, a sixth actual distance and a seventh actual distance. Therefore, non-contact measurement of the first actual distance and the third actual distance can be realized with high precision based on the eddy current effect of the eddy current displacement sensor, and the measurement precision is ensured; and the measurement system can synchronously run along with a lifting container, and the shaft guide gap and the joint dislocation amount are accurately measured.

The present invention relates to a disposable cartridge. A housing (70) forms a cartridge (22), and a slider (72) is displaceably provided in the housing (70) with a set of guide rails (78) in between. A hook (80) is tiltably provided between the guide rails (78). After the cartridge (22) is installed in a piercing device (10), the slider (72) is displaced to the other end side of the housing (70) while in contact with a casing (12) forming the piercing device (10). This causes the hook (80) not to be tiltable by the slider (70). An end of the hook (80) comes into contact with a step (26) of the casing (12) to limit the installation of the cartridge (22) in the piercing device (10).

A method and system for real-time calculating the dynamic phase shift signal are disclosed. The method comprises the following steps: segmenting the medium frequency signals in the testing channel and the reference channel, respectively; reading out the medium frequency signals in the testing channel and the reference channel at the present time period and converting the signals into the digital signals by an A / D conversion, respectively; converting the digital signals in the testing channel and the reference channel obtained at the present time period into the frequency domain signals by Fourier transform, respectively; and synchronously obtaining the accurate frequency at the present time period; and obtaining the phase difference by conducting a conjugate calculation on the frequency domain signals in the reference channel and the testing channel at the present time period according to the accurate frequency at the present time period. A plasma diagnostic method and system are also disclosed. The method and system for real-time calculating the dynamic phase shift signal can achieve the unattended and reliable real-time phase calculation and output, and the plasma diagnostic method and system which use the method and system for real-time calculating the phase shift signal can further reliably achieve the unattended real-time measurement for the electronic density and the current density.

A living body information measuring apparatus includes an optical system for irradiating light to a subject and detecting light from the subject, a signal processing portion for acquiring information with regard to a tissue condition of the subject based on a detecting signal of light, and a position determining portion for determining an acceptability of an irradiating position of light based on the detecting signal of light.

The embodiment of the present invention relates to a method and system for measuring the shear wave attenuation coefficient, which solves the problem that the ultrasonic detection method cannot penetrate certain media and cause measurement failure; the method for measuring the shear wave attenuation coefficient includes: including: An NMR pulse sequence is applied to the object under test, and motion encoding is carried out in conjunction with a static or controllable gradient magnetic field to detect NMR echo signals at at least two different positions of the object under test, and the NMR echo signals are analyzed and processed to obtain Shear wave attenuation coefficient; the system includes a magnetic resonance system, a mechanical vibration excitation device and a nuclear magnetic resonance console; the embodiment of the present invention measures the attenuation of solid or semi-solid in a non-invasive and non-destructive manner based on low-field nuclear magnetic resonance coefficient.

The invention belongs to the technical field of integrated navigation, and in particular relates to a time synchronization method of a position measurement integrated navigation system. The method includes four steps. The first step is to set the speed difference between the satellite positioning device and the inertial navigation system; the second step is to update the measurement vector during navigation solution; the third step is to judge the filtering result; the fourth step is to step, correction process. Through the method, the navigation accuracy and reliability of the position measurement integrated navigation system when the synchronous pulse is abnormal can be greatly improved, and the failure of the measurement of the turning moment during the track detection process can be prevented. This method can also be used for navigation calculation when the synchronous pulse of other integrated navigation systems is abnormal, which is practical and innovative.

The invention belongs to the technical field of liquid detection, and discloses a liquid detection circuit, a detection meter and a detection method.The detection circuit comprises a detection electrode P1, an oscillation unit and a control unit; the oscillation unit comprises an analog switch U1, and the analog switch U1 is connected with the detection electrode P1 and can be switched into a first oscillation mode or a second oscillation mode; the control unit comprises a main control chip U1, and the main control chip U1 is connected with the oscillation unit and used for generating a control signal to switch the oscillation mode of the oscillation unit and calculating the conductivity of the liquid to be measured according to the first oscillation frequency and the second oscillation frequency obtained through measurement. Through a reference-measurement dual-mode frequency measurement and difference calculation method, the influence of factors such as distributed capacitance and electrode contact difference on a measurement result is fundamentally eliminated, meanwhile, measurement failure caused by signal saturation in a high-concentration solution is avoided, and the measurement consistency can be kept in a wide concentration range of 0-164000 PPM.

The invention discloses a frequency point information processing method and user equipment (UE). The frequency point information processing method comprises the following steps that: a measurement control message which is sent by network equipment is received, and the measurement control message contains the frequency information that a compression mode is not started in different frequency measurement; and if the type of the frequency information contained in the measurement control message that the compression mode is not started in different frequency measurement is different from that of the stored frequency information that the compression mode is not started in the different frequency measurement, the stored frequency information that the compression mode is not started in the different frequency measurement is cleared. According to the technical scheme of the invention, the problem that failing measurement is caused when the UE measures adjacent frequency but does not start the compression mode can be solved.

The invention relates to a temperature monitoring device for a motor of a conveying unit of a circulating type conveying system; the motor is arranged on the conveying unit and by means of which the motor can be cyclically operated along a support beam of the conveying system and / or the height of which the motor can be adjusted, the temperature monitoring device comprises a data acquisition module, a data transmission module and a data processing module; the data acquisition module is arranged on the upper side of the supporting beam and comprises an image recognition device and an infrared measurement device which are used for shooting images of the passing conveying unit and / or the motor thereof, respectively, identifying the number associated with the motor in the images, and infrared-measuring the temperature of the passing motor therebelow; the data transmission module performs data transmission in a manner of correlating the identified serial number with the measured temperature;the data processing module processes transmitted data and outputs a temperature monitoring signal. In addition, the invention also relates to a temperature monitoring method for the motor of the conveying unit of the circulating type conveying system and the circulating type conveying system.

The invention provides a system for detecting the bending degree of a sublance of a steelmaking converter, which comprises a sublance probe, a measuring position limiter and a signal acquisition device, and is characterized in that the signal acquisition device is used for acquiring image information of the sublance probe; the signal processing device is used for receiving the image information, analyzing the image information to obtain an image display interface and then outputting an analysis result; and the signal control device is used for automatically controlling whether the sublance at the measuring position continues to descend or not according to the analysis result. On the other hand, the invention further provides a method for detecting the bending degree of the sublance of the steelmaking converter. According to the system and method for detecting the bending degree of the sublance of the steelmaking converter, the technical problems that in the prior art, bending of the sublance cannot be found in time, the sublance is prone to being damaged, and production is affected are solved, the equipment failure rate is reduced, and the production efficiency is improved.

The invention discloses a frequency point information processing method and user equipment (UE). The frequency point information processing method comprises the following steps that: a measurement control message which is sent by network equipment is received, and the measurement control message contains the frequency information that a compression mode is not started in different frequency measurement; and if the type of the frequency information contained in the measurement control message that the compression mode is not started in different frequency measurement is different from that of the stored frequency information that the compression mode is not started in the different frequency measurement, the stored frequency information that the compression mode is not started in the different frequency measurement is cleared. According to the technical scheme of the invention, the problem that failing measurement is caused when the UE measures adjacent frequency but does not start the compression mode can be solved.

On one hand, the present invention provides a system for detecting the bending degree of the auxiliary gun of a steelmaking converter, comprising: an auxiliary gun probe and a measuring position limiter, a signal acquisition device, the signal acquisition device is used to collect image information of the auxiliary gun probe; a signal processing device, the signal processing device is used to receive the image information, and obtain an image display interface after analyzing the image information, and then output the analysis result; a signal control device, the signal control device is used to automatically control whether the auxiliary gun at the measuring position continues to perform the gun lowering operation according to the analysis result. On the other hand, the present application also provides a method for detecting the bending degree of the auxiliary gun of a steelmaking converter. The present application solves the technical problem in the prior art that the bending of the auxiliary gun cannot be detected in time, which easily causes damage to the auxiliary gun and affects production, reduces the equipment failure rate, and improves production efficiency.

The invention discloses a substation intelligent drainage system and a method thereof, comprising a pumping device installed in a cable trench, a water level monitoring device, a sludge detection device, a rainfall monitoring device and a controller; the pumping device is used to draw out the cable trench The accumulated water in the cable trench is electrically connected to the controller; the water level monitoring device is used to monitor the accumulated water in the cable trench and is electrically connected to the controller; the controller is used to process the feedback information of the water level detection device and control the The start and stop of the pumping device is connected to the remote terminal by communication; the rainfall monitoring device is used to monitor the environmental rainfall and is electrically connected to the controller; electrical connection. Considering the silt accumulation in the cable trench, the device is equipped with a vibrating device, a transmission device and a stirring device to ensure the measurement accuracy of the water level gauge and the pumping efficiency of the pumping device.

The invention discloses a method and system for calculating dynamic phase shift signals in real time. The method includes the following steps: respectively segmenting the intermediate frequency signals of the measurement track and the reference track; A / D is converted into a digital signal; the obtained digital signals of the measurement track and reference track in the current period are respectively Fourier transformed into frequency domain signals, and the accurate frequency in the current period is obtained at the same time; according to the accurate frequency in the current period, the current period The frequency domain signals of the reference trace and the measurement trace are conjugated to obtain the phase difference. The invention also discloses a plasma diagnosis method and system. The method and system for real-time calculation of dynamic phase-shift signals of the present invention can realize unattended reliable real-time phase calculation and output, and the method and system for real-time calculation of phase-shift signals and the plasma diagnosis method and system of the above-mentioned system can further reliably realize Unattended real-time electron density and current density measurements.

The invention discloses a device, a system and a method for steel rail parameter automatic measurement, which belongs to the technical field of optical measurement. The steel rail parameter automatic measurement device comprises a steel rail longitudinal-displacement automatic measurement unit, a data transmission unit and a power supply module or further comprises a central processing unit and asteel rail temperature automatic measurement unit; the steel rail longitudinal-displacement automatic measurement unit comprises a marker, a marker receiving processor and a rail side spud pile or further comprises a light source compensator; the steel rail longitudinal-displacement automatic measurement can be realized through the steel rail longitudinal-displacement automatic measurement unit; the steel rail parameter automatic measurement system comprises two or more steel rail parameter automatic measurement devices and a common central processing unit; and the steel rail temperature stress automatic measurement can be realized through the steel rail parameter automatic measurement system. The invention can realize the all-weather measurement, has high measuring accuracy, can automatically search the section with the largest temperature stress for the steel rail and further avoids an accident.

The utility model provides a filter bag structure of a fiber tester and the fiber tester, and relates to the technical field of filter bags of testers. The filter bag structure of the fiber tester comprises a high-melting-point fiber and a low-melting-point fiber, the high-melting-point fibers and the low-melting-point fibers form non-woven fabrics through a needling process, and the edges of at least two pieces of non-woven fabrics are pressed together to form the filter bag. The fiber tester comprises the fiber tester filter bag structure. The technical effect that the filter bag can meet the measurement work requirement is achieved.

The embodiment of the invention provides a method and a device for MDT (Minimization of Drive Test) measurement. The method includes the steps of: when MDT is the region-based MDT, and an OAM (Operation Administration Module) obtains an MDT task, sending a task request for establishing the MDT task to a CC (Call Control) module; judging whether the task identifier of the MDT task does not exists and the configuration parameter of the MDT task meets an audit condition by the CC module, wherein the task identifier is used for uniquely identifying the MDT task, and when the judgment result is yes, the CC module selects a user terminal positioned in the configuration cell of the MDT task for configuration. According to the method and device, the success rate of MDT measurement is improved.

The invention discloses a donor-acceptor distance distribution measuring method based on fluorescence correlation spectroscopy. Fluorescent labeled living cells of donors and acceptors are subjected to a selective donor excitation operation through a fluorescence correlation spectroscopy module of a laser scanning confocal microscope in different laser power. A correlation card acquires photon number fluctuation signals of a donor channel and an acceptor channel to form a self-correlation curve. Energy transfer rate and energy transfer efficiency can be calculated through triplet state analysis of the self-correlation curve of the acceptors. In addition, triplet state distribution of the energy transfer rate and the energy transfer efficiency can be inverted from the self-correlation curve of the triplet state of the acceptors through a maximum entropy algorithm so that donor-to-acceptor distance distribution can be calculated. A fluorescence correlation spectrum analysis method itself is an excellent technology of measuring concentration of a dilute solution, so that the measuring method can be used for measuring donor-acceptor non-paired fluorescence resonance energy transfer efficiency and donor-acceptor non-paired distance distribution after integration items of overlap items of the spectrum being corrected with respect to the donor-acceptor concentration proportion. The measuring method is convenient to use and high in measuring precision.