18 results about "Rate measurement" patented technology

A data processing device 1 includes: a temperature identification unit 181 that identifies the seabed temperature at a position on a seabed where a measurement device is to be installed, the measurement device creating measurement data of seismic waves associated with an internal time at which the seismic waves were detected in response to vibration waves being emitted from a hypocenter; a temperature lowering unit 182 that sets the temperature of an oscillator 41 installed inside the measurement device present at a location other than in seawater to the seabed temperature; a rate measurement unit 183 that measures an aging rate, which is a rate of change over time in the frequency of the oscillator 41, in a state where the temperature of the oscillator 41 installed inside the measurement device present at the location other than in seawater has reached the identified seabed temperature; and a correction unit 188 that corrects the internal time associated with the measurement data on the basis of the aging rate after the measurement device installed on the seabed creates the measurement data.

A method, computer-readable media, and system associated with psychiatric and physiologic monitoring of a patient having PTSD or anxiety-related mental health conditions are provided. For example, data associated with a survey or questionnaire that was provided to a patient is received. A score may be determined from the data associated with the survey or questionnaire. A time-series is formed using heart-rate measurements detected by a sensor. Fractal properties, such as a Hurst exponent, may be calculated for the time-series. The score may be contextually matched to a set of reference scores. Further, the contextual matching may be used to determine a range of normative HRV values for determining whether a value associated with the patient is within the range. If the value associated with the patient is not within the range, a notification may be provided.

To reduce a flow rate error.SOLUTION: The time measurement unit 16 measures the zero-cross time of the ultrasound reception signal in the forward direction in which the ultrasound is transmitted from the transducer 11 and received by the transducer 12 and the zero-cross time in the reverse direction in which the ultrasound is transmitted from the transducer 12 and received by the transducer 11, and stores the zero-cross times in the time array of the storage unit 17. When an absolute value of a difference between a reference coherent zero cross time stored in a predetermined coherent storage position of the time array and a zero cross time to be compared derived from the same type of peak as the peak of the ultrasonic reception signal corresponding to the coherent zero cross time among the zero cross times stored in the time array of the measurement time different from the coherent zero cross time is equal to or greater than a threshold value, the determination unit 18 determines that the time array including the zero cross time to be compared is abnormal.SELECTED DRAWING: Figure 1

The application provides a kind of millimeter wave radar human heart rate measurement method and system based on respiratory harmonic analysis.The method uses the I / Q signal collected by millimeter wave radar, uses the extended DACM algorithm to obtain phase change information;Then analyze the time domain waveform of vital sign information, calculate the non-symmetry parameter of respiration and the pause parameter of respiratory gap, to analyze the bandwidth of dynamic adjustment notch filter, while suppressing the influence of respiratory harmonic on the heartbeat spectrum;Finally, through the time domain number peak way, the heart rate estimation range is reduced, and the Chirp-Z transform is applied to obtain higher accuracy heartbeat frequency.The heart rate measurement method of the application is simple, and compared with the previous respiratory harmonic elimination method, the strength of respiratory harmonic is more effectively analyzed and targetedly suppressed, and the measurement accuracy when the heart rate and the respiratory harmonic frequency coincide can be effectively improved.

One or more embodiments of the present disclosure relate to obtaining a first state estimate corresponding to an object, the first state estimate including a first velocity vector estimate corresponding to the object. The disclosure may further relate to receiving first sensor data corresponding to a first portion of the object. The embodiments may further include determining a first expected measurement corresponding to the first portion, the first expected measurement including a first expected range rate determined based at least on the first angle measurement and the first velocity vector estimate of the first state estimate. And, determining a second state estimate corresponding to the object, the second state estimate including a second velocity vector estimate corresponding to the object and determined based at least on the first range rate measurement and the first expected range rate.

A flow rate measurement system being a flow rate measurement system that measures a flow rate of molten metal flowing through a hollow portion of a pipe includes an excitation coil that generates a magnetic field so as to intersect with the molten metal flowing through the hollow portion of the pipe; current supply processor circuitry that supplies an alternating exciting current to the excitation coil; a detector that detects a signal based on a magnetic field generated from the excitation coil by an alternating exciting current flowing through the excitation coil or a time variation in the magnetic field; and flow rate deriving processor circuitry that derives the flow rate of the molten metal based on the signal detected by the detector, wherein the pipe is arranged between the excitation coil and the detector, and a magnetic field that reaches the detector across the pipe is generated from the excitation coil.

The application discloses a kind of phase difference change rate measurement estimation method and device guided by time difference measurement, comprising: obtaining the two-way IQ signal of the same pulse signal of radiation source;Calculate the TDOA rough value of two-way IQ signal;Two-way IQ signal is cross-correlated operation, according to the cross-correlation operation result, curve fitting is carried out in the coordinate point near the TDOA rough value, to calculate TDOA accurate value;Calculate the ambiguous phase difference of two-way IQ signal, and use TDOA accurate value to the ambiguous phase difference is deambiguated, obtain accurate phase difference;Linear fitting is carried out to the accurate phase difference of multiple pulse signals in predetermined time period, and the slope of phase difference curve obtained by fitting is calculated, and the phase difference change rate is obtained.The phase difference change rate obtained by the application has high precision, can obtain unambiguous phase difference under certain conditions, and has small operation amount, is easy to engineering implementation, is especially suitable for real-time requirement high airborne electronic countermeasure reconnaissance equipment and warning equipment.

To provide a flow rate measuring method and a flow rate measuring device capable of accurately measuring the flow rate of a fluid to be measured with a simple device configuration and with little risk of breakdown. [Solution] An acoustic matching layer 3 is provided between a pipe 1 through which the fluid to be measured flows and a piezoelectric vibrator 2, and as the flow rate of the fluid flowing in the pipe 1 changes, the thickness of the boundary layer on the inner wall of the pipe changes, and this change causes a change in the mechanical load on the piezoelectric vibrator 2, and the admittance A of the piezoelectric vibrator 2 is calculated as a result.The flow rate of the fluid flowing in the pipe 1 is calculated from the admittance A of the piezoelectric vibrator 2 based on the correlation between the admittance of the piezoelectric vibrator 2 and the flow rate of the fluid flowing in the pipe 1, which has been calculated in advance.

A method for providing motion information of a UE in a wireless communication system. The method comprises initiating, in a first network node, of a first Doppler shift measurement concerning the UE. In the first network node, a transfer of requests for second Doppler shift measurement concerning the UE is initiated to second network nodes. Data representing the first Doppler shift measurement is obtained in the first network node. Data representing the second Doppler shift measurements is obtained in the first network node. An estimated motion, in more than one dimension, of the UE is determined in dependence of at least the obtained data representing the first Doppler shift measurement and the obtained data representing the second Doppler shift measurements. A method for assisting by the second network node, as well as network nodes performing the methods are also disclosed.

The application provides a body fat rate testing method and system, which comprises the following steps: after starting the test, placing a human body to be tested in a body fat tester, generating an excitation signal through electrodes and collecting a human body surface response signal in two postures of standing and lying, respectively, processing the response signal to obtain impedance amplitude and phase, judging whether the impedance amplitude and phase reach preset values, if yes, calculating body fat rate impedance Z1 and Z2 in the two postures, respectively, further calculating the final body fat rate according to Z1 and Z2, displaying the result through a display, and sending the result to a terminal device. The application can improve the accuracy and reliability of body fat rate measurement, has the characteristics of convenient operation and strong applicability, and can provide more accurate body fat rate evaluation for health management and medical monitoring.

The invention provides a body index measuring system based on multi-modal feature integrated expression, and belongs to the technical field of body index test.The body index measuring system comprises a controller, a display module, a body fat rate measuring unit, a blood pressure measuring unit, a heart rate measuring unit and a height measuring unit; a tester wears four wrist guard sensors on the wrists of the two hands and the ankles of the two feet respectively, and the wrist guard sensors detect the systolic pressure SBP and the diastolic pressure DBP of the tester all the time in the movement process of the tester; after the test is completed, a wireless data transmission module in the wrist guard sensor sends all data detected in the movement process to the controller; the defects that analysis data cannot be analyzed in real time and training guidance opinions cannot be given to testers in real time are overcome, meanwhile, the collected data are combined with a cloud database, and cloud computing and analysis of physical quality index evaluation are achieved.

This safety device (10A) for a flow rate measurement device comprises: internal communication units (12a, 12b) (the number of internal communication units may be one) that communicate with a flow rate measurement device for measuring the flow rate of a fluid; a safety assessment processing unit (11) that assesses the execution of a safety function by the flow rate measurement device by using output information from the flow rate measurement device, said output information being obtained through communication performed by the internal communication units (12a, 12b); and an authentication unit (13) that generates, as at least authentication information, an indicator value included in the output information from the flow rate measurement device, and, on the basis of the authentication information, assesses authentication with the flow rate measurement device with which communication is to be performed. This makes it possible, even with, e.g., a flow rate measurement device that does not have a safety function, to implement a safety function that is suitably reliable for the flow rate measurement device.

A device (1) configured for determining the air permeability of a building and comprising an air moving device, AMD, (2), a pressure measuring device, PMD, (3), an air flow rate measuring device, AFRMD, (4), a temperature measuring device, TMD; (5) and a data processing device (6; 8), the device being configured to: conducting (401-403), using the AMD (2), PMD (3), AFRMD (4) and TMD (5), a series of flow rate measurements comprising m measurement points, each measurement point comprising a plurality of n measurements, and generating, using the data processing device (6; 8), an air leakage curve comprising a correlation coefficient, r2. A check of whether the correlation coefficient, r2, is larger than or equal to 0.98 is performed. If the correlation coefficient, r2, is not larger than or equal to 0.98 the series of flow rate measurements are repeated and a new check of the correlation coefficient, r2, is performed for all 2m measurement points. If the correlation coefficient, r2, is still not larger than or equal to 0.98, the measurement point comprising the largest deviation from an air leakage curve formed by the 2m measurement points is removed, and a new check of the correlation coefficient, r2, is performed for all remaining 2m-1 measurement points. If the correlation coefficient, r2, is larger than or equal to 0.98 the check is considered completed.

Provided are a thermal flowmeter and a flow rate measurement method for measuring, from outside a pipe, the flow rate of a fluid flowing through the pipe.　The thermal flowmeter comprises: an insulating wiring substrate that can be bonded to an outer peripheral part of the pipe; a conductive wiring pattern that is provided on the insulating wiring substrate; a thermal stimulus generation unit that heats or cools the outer surface of the pipe; and at least two thin-film-like peripheral thermosensitive elements that are disposed at positions which are separated from the thermal stimulus generation unit by a prescribed distance. The peripheral thermosensitive elements are disposed at positions that are on a straight line which passes through the center position of the thermal stimulus generation unit and that are symmetrical, with the thermal stimulus generation unit being sandwiched therebetween. The flow rate measurement method employs the thermal flowmeter and comprises: a step for giving a thermal stimulus to the pipe by heating or cooling the thermal stimulus generation unit; and a step for using a temperature difference measured by the peripheral thermosensitive element to determine the flow rate.

A flow rate measurement method for a spiral throttling component is provided, where a spiral flow channel is formed inside the spiral throttling component, and the method includes: introducing a calibration medium into the spiral throttling component, obtaining a plurality of flow rates Qv, diameter of the spiral flow channel d, effective length L of the spiral flow channel, pressure drop DP of a fluid flowing through the spiral flow channel, and density of fluid density ρ, figuring out a relationship of k=f(Qv, d, L, DP and ρ) to obtain a calculation formula of the flow rate Qv. Through the technical solution, a calculation formula for the spiral flow channels with different sizes can be obtained by using a small amount of calibrations, thereby avoiding mismatch of flow formulae when a size of the spiral flow channel changes.

The present invention relates to a method of measuring the wear of a fifth wheel locking mechanism, which, in existing fifth wheel systems, enables the service life of the fifth wheel to be increased by automatically measuring the amount of wear and transferring it to the user.

The present invention provides an error rate measurement device and method that can detect specific patterns in real time without being affected by unique data that the object under test may transmit along with specific patterns in response to state transitions, thereby enabling expected error measurement. [Solution] The error rate measuring device 1 is configured to include: a pattern setting control unit 602a that sets a specific pattern that is expected to be output from the DUT 10 according to the state of the LTSSM, and a mask pattern that specifies the location of the unique data transmitted together with the specific pattern; an ED5b that measures the error rate of the specific pattern in the input signal by sequentially comparing a detection signal synchronized with the timing at which the beginning of the specific pattern is detected with an internal signal; and a measurement control unit 603g that uses a mask pattern to control the ED5b so as not to measure errors at the location of the unique data in the specific pattern.