49results about How to "Consistent measurement" patented technology

A system for monitoring a fetus during gestation comprises an input for receiving a plurality of electric signals measured on a surface of a maternal body; and means for providing a fetal electrocardiogram based on the received electric signals and based on an orientation of the fetus, wherein the fetal electrocardiogram represents a projection of a fetal cardiac potential vector according to a predetermined projection direction that is fixed with respect to the fetus. The fetal vector electrocardiogram is projected according to the projection direction. An at least partial representation of a fetal vector electrocardiogram is provided in dependence on the plurality of electric signals and indicative of a time path of an electrical field vector generated by a fetal heart of the fetus.

The invention discloses a synchronous acquisition device and method of an atom and molecular spectrum. The method comprises the following steps: striking the surface of a to-be-detected sample repeatedly by focused energy of a laser device, stimulating the to-be-detected sample to be at a plasma state, and collecting an atom spectrum transmitted by the to-be-detected sample at the plasma state by an optical fiber collector via a visible spectrograph; striking the surface of the to-be-detected sample repeatedly by the focused energy of the laser device, and collecting an infrared spectrum transmitted externally by the surface of the to-be-detected sample by an infrared optical fiber collector via the visible spectrograph so as to obtain a molecule spectrum; transmitting the molecular spectrum to a signal collecting control system by the atom spectrum and the infrared spectrograph via the visible spectrograph; and matching the atom spectrum and the molecular spectrum by the signal collecting control system so as to obtain the corresponding relationship between the atom spectral line and a functional group. The method can be used for obtaining the molecule and atom spectrum with the same size synchronously within a short time, and achieving the correlation of the characteristic relation of the atom spectrum and the molecular spectrum.

Disclosed herein are an apparatus and method for generating a 3D avatar. The method, performed by the apparatus, includes performing a 3D scan of the body of a user using an image sensor and generating a 3D scan model using the result of the 3D scan of the body of the user, matching the 3D scan model and a previously stored template avatar, and generating a 3D avatar based on the result of matching the 3D scan model and the template avatar.

Each embodiment of the invention provides a measurement processing method, comprising the following steps that: measurement sampling data obtained by the measurement is processed by the internal filtration to obtain a measured value; the obtained measured value is processed by the time-frequency normalized filtration to obtain a measured result; and the measured result is evaluated. The embodiment of the invention also provides a measurement processing device. The measurement processing proposal solves the problem of the prior art that a system needs to process more measurement sampling data because the measured value is not processed by the filtration. The proposal obtains the final measured result by performing the time-frequency normalized filtration to the measured value obtained by the internal filtration, thereby ensuring that the measured result is more accurate and optimizing the network performance.

The invention provides a dual-purpose voltage divider based on a standard capacitor. The dual-purpose voltage divider comprises a damping resistor, a high-voltage guide rod, a high-voltage electrode, a low-voltage electrode, a ground electrode and a shield electrode, wherein the high-voltage electrode, the low-voltage electrode, the ground electrode and the shield electrode are arranged coaxially in a metal ground cylinder. The low-voltage electrode, the ground electrode and the shield electrode are arranged on the outside of the high-voltage electrode successively. One end of the damping resistor is connected with a high-voltage lead and the other end of the damping resistor is connected with the high-voltage guide rod. The high-voltage guide rod is connected with the high-voltage electrode. Compared with the prior art, the dual-purpose voltage divider based on the standard capacitor uses a low-inductance structure, which reduces the stray inductance of a voltage divider circuit so as to accurately measure impact voltage and power frequency voltage.

This invention describes an occupant size and weight detection device consisting of a combination of force/load sensors (1), a head position sensor (2, 3), a multidirectional acceleration sensor (5), and a seat position sensor (4) used to determine the weight of an occupant based on weight distribution, body angle and foot position. The goal of the invention is to determine the weight of an occupant who is sitting in the front seat of a vehicle that is subjected to the dynamic forces resulting from the vehicle moving. This technology can be used in applications such as automotive occupant weight and position sensing for use with safety devices such as airbags.

A method and device to predict ovulation in a female human by measuring changes in the concentration of a number of ions in eccrine sweat is disclosed. The concentration, or changes in concentration, of one or more ions are determined throughout the day and analyzed against predetermined patterns in order to predict ovulation one to five days in advance. This permits the user to more accurately determine commencement of the fertile phase, which for female humans is generally considered to be about four days prior to ovulation to one day after ovulation. The concentration of the ions measured include sodium (Na+), potassium (K+), ammonium (NH₄+), calcium (Ca₂+), chloride (Cl−) and nitrate (NO₃−). To further increase the accuracy of the reading, a large number of readings can be obtained throughout a day and statistically analyzed to determine the change over time. In addition, the concentration of two or more ions can be obtained to increase accuracy. Ratiometric measurements between two or more ions can be determined to increase accuracy and account for ion accumulation on the skin. Ratiometric measurements between ammonium (NH₄+) and calcium (Ca₂+) have been found to provide more distinct patterns because the concentration of these two ions change in opposite directions during the relevant period preceding ovulation.

The invention relates to a movable discharge electrode, in particular to a movable discharge electrode applied to capillary tube discharge soft X-ray lasers. The movable discharge electrode aims at solving the problem that in an existing method for changing gain media, current waveforms obtained under the condition of different gain medium lengths are not coincident with a main pulse current waveform, and the inherent thought that in the prior art, the length of a capillary tube is changed or the length of an electrode is changed is eliminated. An elastic steel wire is arranged on the electrode, the effect that the electrode can be fixed at any position in the capillary tube is achieved, and then the aim of changing the gain media is achieved. As when the electrode is fixed at any position in the capillary tube, the total length of a plasma column is the difference of the length of the capillary tube and the length of the electrode, it is guaranteed that the total length of the plasma column is kept unchanged, and then the effect that under the condition of different gain medium lengths, the pulse current waveforms same as the main pulse current waveform are obtained is achieved. The movable discharge electrode is suitable for a capillary tube discharge test.

The invention discloses a single-point settlement gauge comprising a settlement plate, an electrical measurement displacement sensor, a measuring bar, an anchor head and a bottom layer anchor head, wherein one end of the electrical measurement displacement sensor is connected with the bottom of the settlement plate, the other end of the electrical measurement displacement sensor is connected with the anchor head by the measuring bar, and the other end of the anchor head is connected with the bottom layer anchor head by a lengthening bar. The single-point settlement gauge has the advantages of simple and compact structure, low cost, fast and accurate automatic measurement and long-period monitoring.

The invention discloses a tool for detecting the linear distance between an inner hole annular groove and an outer end face of a gear. The tool comprises a pipe plug, an inner axle sleeve, springs, a measuring sleeve, a cylindrical pin, an outer sleeve, a push rod, a gauge stand and a dial indicator. An end, provided with external thread, of the inner axle sleeve is connected with the outer sleeve and the gauge stand. An indicator rod of the dial indicator is inserted into an inner hole of the gauge stand. An inner hole of the measuring sleeve is in clearance fit with the inner axle sleeve. Annular bosses are arranged on the outer walls of the two ends of the measuring sleeve correspondingly. The annular boss stretching into an inner hole of a workpiece is a measuring end. The annular boss at the other end is connected with two handles stretching out radially. The cylindrical pin is stuffed radially into the tube wall in the middle section of the measuring sleeve. The push rod is placed and inserted into one inner hole of the inner axle sleeve. One spring is axially arranged between the push rod and the gauge stand. One spring is also axially arranged in an inner hole in the other end of the inner axle sleeve and is adjusted and locked in position through the pipe plug. The to-be-measured workpiece is stuffed into the detecting tool for measurement, direct measuring is good in promptness and high in precision, and the detecting tool is suitable for being used in fields of production.

A method for analyzing the oxygen concentration of a gas with an oxygen concentration analyzer of such a type that a probe sensor, when supplied with a gas to be analyzed, produces an electrical output which is proportional to the concentration of oxygen in the gas, comprising the steps of preparing a first gas mixture in which an oxygen-free gas and a sample gas are mixed at a certain flow ratio and a second gas mixture in which the oxygen-free gas and the sample gas are mixed at a different flow ratio than in the first gas mixture, passing the first gas mixture and the second gas mixture asynchronously into the probe sensor, and comparing the electrical outputs from the sensor for the first gas mixture and the second gas mixture, as well as the proportions of the flow of the sample gas in the first gas mixture and the second gas mixture to thereby calculate the oxygen concentration in the sample gas. The method eliminates the need to perform frequent zero adjustment and enables the oxygen concentration in the sample gas to be measured with consistent results.

The invention discloses a filter device and a method of manufacturing the filter device. The filter device for a hearing test probe extends along a center axis in a first direction from a first end to a second end. The filter device comprises: a first part having a first filter structure, a second part having a second filter structure, a first channel extending along the center axis. The first part and second part are joined together, and the first filter structure and the second filter structure define a filter element with a first set of filter openings for the first channel.

The invention provides a constant power interface-based hybrid dynamic simulation method. The method includes the following steps that: a power system is divided into a plurality of subsystems; a time sequence of equal time intervals is obtained; the initial power flow of the subsystems is obtained; and the injection current of a boundary bus and the voltage simulation curve of the boundary bus are determined. According to the method of the invention, a constant power interface can guarantee the consistency of the switching power of a research power grid and an external power grid and a measured value in a whole simulation period, and therefore, a foundation can be laid for the practical application of the hybrid dynamic simulation method.

For a device for the reversible mechanical fixing and electrical contacting of one or more electrical conductors (11) of a cable (10) it is proposed to fix the cable (10) mechanically by means of a cable receptacle (2) and to position exposed conductor ends (12) of the electrical conductor (11) on a contact plate (3). A fixing element (4) is provided for pressing the exposed conductor ends (12) onto the contact plate (3). Such a device and such a method are needed for the temporary electronic contacting of one or more electrical conductors carried in a cable. Such contacting is above all necessary for carrying out electrical measurements on such cables.

Method and apparatus for weighing an elongate object extending between a root end and a tip end thereof, said method including: providing a respective tip load measurement gauge and root load measurement gauge; and providing a suspending arrangement configured for suspending said elongate object from said tip load measurement gauge and from said root load measurement gauge; and suspending said object in a horizontal orientation; and recording a tip load and a root load from respective said load measurement gauges, said method being additionally characterised by: providing a weighing area; and fixing an inclinometer to said suspended blade and load gauge arrangement; and suspending said elongate object from said tip load gauge and from said root load gauge; and adjusting the horizontality of said elongate object in response to signals from said inclinometer prior to said step of recording said tip load and said root load. Alternatively, an inclinometer may be replaced by placing a first distance sensor at a first location on a ground surface; and placing a second distance sensor at a second location on said ground surface; and suspending said elongate object from said tip load gauge and from said root load gauge such that a said root end thereof is suspended proximate said first distance sensor and a said tip end thereof is suspended proximate said second distance sensor; and measuring a first distance between said first distance sensor and a said root portion of said elongate object and; and measuring a second distance between said second distance sensor and a said tip portion of said elongate object; and then adjusting the horizontality of said elongate object in response to said first and second distance readings prior to said step of recording said tip load and said root load.

The invention provides a metering system used in a starch sugar production process. A weight acquisition module is used for acquiring the weight of raw materials in the production process; the component acquisition module is used for acquiring the weight of the added raw materials in the starch sugar preparation process; the starch sugar preparation data processing module is used for calling the weight of raw materials in the production process and calculating the quantity of the raw materials needing to be added according to the components of the starch sugar; the system realizes information acquisition and sharing, and the information is saved in a database for sharing after being acquired. The raw material feeding data comes from metering data generated by actual feeding and weighing, data modification from the source is avoided, and meanwhile input errors are avoided. The system realizes series connection of weighing and feeding services of the starch sugar preparation bin; and on-site raw material metering is consistent with preset data. The system can ensure the timely data communication among the processes through the PCS process charging actual performance table, avoids the traditional communication modes such as telephone communication among the processes, and greatly improves the working efficiency.