281 results about "Sample Measure" patented technology

A method that sends upstream a collection of data samples measured from a DSL line.

The present invention concerns a method of operating a first-in first-out memory (9) arranged to store measurement data samples measured by a plurality of data measurement sensors (1, 3, 5), which can operate at various sampling rates. The oldest measurement data sample in the memory (9) is arranged to be read first before the newer measurement data samples. The method comprises: receiving measurement data samples from at least two data measurement sensors (1, 3, 5); and saving the received measurement data samples in the memory (9). Each of the measurement data samples saved in the memory is associated with a tag which is also saved in the memory (9) and which identifies the data measurement sensor (1, 3, 5) which measured the respective measurement data sample.

The invention provides an X-Ray fluorescence analyzer and an X-ray fluorescence analysis method advantaged by high operating efficiency and safe sample measuring. The fluorescence analyzer (100) includes: a radioactive ray source (2) illuminating radioactive rays upon a radioactive point (P1) on a smapel (S); an X-ray detector (3); a moving mechanism (8) capable of moving the sample with respect to the radioactive ray source and the X-ray detector;an enclosure (10); a door (20) for opening and closing an opening (10a) for the sample into and out of the enclosure; a height measurement mechanism (7) capable of measuring a height at the irradiation point; a moving mechanism control unit (9) for adjusting a distance between the sample and the radiation source as well as the X-ray detector based on the measured height at the irradiation point; a laser unit (7) for irradiating the irradiation point with a visible light laser beam; a laser start control unit (9) for irradiating the visible light laser beam by the laser unit (7) when the door is open state; and a height measurement mechanism start control unit (9) for starting the height measurement mechanism to measure the height at the irradiation point when the door is opened.

A grammage measuring apparatus including a dielectric resonator which is arranged only at one side surface of a sample; a shielding container with which the dielectric resonator is substantially covered except for a sample measuring surface; a microwave excitation device which causes the dielectric resonator to generate an electric field vector; a detection device which detects transmission energy or reflection energy by the dielectric resonator; a storage device in which a calibration curve indicating a resonance frequency shift amount for a grammage is stored; and a data processing device which calculates the grammage of a measuring sample from the calibration curve and measurement result of the resonance frequency shift amount of the measuring sample.

An object of the present invention is to provide a sample measuring method and a sample measuring device suitable for evaluation of inclination of a pattern edge. To achieve the object, a method and a device for forming a plurality of contours of a pattern edge and evaluating the dimension between the contours are proposed below. Forming a plurality of contours allows evaluation of the degree of inclination of an edge portion of a pattern. Further, displaying evaluation values indicative of the degree of the inclination of the edge portion in an in-plane distribution form makes identifying the cause of taper formation easier.

A calibration technique is presented for calibrating non-reference indirect measurement systems with respect to a reference indirect measurement system. A reference map function filling procedure fits a reference map function based on known values of a parameter of interest associated with reference calibration samples and corresponding reference values associated with the reference calibration samples. A correction function fining procedure fits a correction function based on reference values for calibration samples measured on or simulated for the reference indirect measurement system and corresponding values measured on the non-reference indirect measurement system. During normal use, the non-reference indirect measurement system obtains measurements, corrects the measurements using the correction function, and estimates the parameter of interest of the object of interest using the reference map function based on the corrected measurements.

Methods and apparatuses for determining entrained and / or dissolved gas content of gas-liquid mixtures. Data generated is used to control the True (air-free) or Apparent (air-containing) Density or Entrained Air content of liquids within optimum ranges, e.g. in paper coating processes and in the manufacture of food products, personal care products, pharmaceutical products, paints, petroleum blends, etc. For example, an indirect method of continuously determining the amount of gas entrained in a liquid, by: continuously measuring the temperature, flow rate, and apparent density of the mixture at two different pressure states, and calculating the volume percentage of the gas in the liquid by using equation (28) x⁢ ⁢%=VsVs+V(28)wherein V is the volume of the gas-free liquid calculated by equation (23) V=1ρ1-[P2P2-P1⁢(1ρ1-1ρ2)-R⁢ ⁢TP2-P1⁢g⁡(Δ⁢ ⁢PQa)](23)[0001]in which P1 and P2 are two different ambient pressures and ΔP=P2−P1, ρ1 and ρ2 are apparent densities of the liquid sample measured at P1 and P2, respectively, R is the constant of the Ideal Gas Law, T is the liquid temperature, Q is the flow rate, g(ΔP / Qa) is a function for determining the amount of gas being dissolved between P2 and P1, and Vs is determined by equation (27) Vs=TsT⁢P1⁢P2Ps⁡(P2-P1)⁢(1ρ1-1ρ2)-R⁢ ⁢TsPs⁢(P1P2-P1⁢g⁡(Δ⁢ ⁢PQa)-g⁡(P1-PsQa))(27)in which Ps and Ts are standard pressure (1 atm) and temperature (0° C.), and g⁡(P1-PsQa)is a function for determining the amount of gas being dissolved between P1 and Ps.