73results about How to "Save measurement time" patented technology

The invention relates to an electric secondary AC circuit detection method which comprises the following steps: before a power plant machine set is started, a low-voltage short-circuit point or a short-circuit bogie is input; three-phase 380 V voltage is added at the high-voltage side of a booster station to form a circuit by means of the impedance of a transformer and a generator; current amplitude and phase are measured through a current detecting apparatus to check polarity and transformation ratio in advance; all current protective directions such as generator differential motion are measured. When a neutral point is not connected, a short-circuit point is made at a high plant transformer low-voltage side, and the three-phase 380 V voltage is added at the neutral point of the generator, thereby realizing overall checkup of a generator AC circuit; then, the three-phase 380 V voltage is converted into one-phase voltage or two-phase voltage to carry out overall checkup of a zero sequence circuit. The detection method can check all CT and PT circuits of a generation-transformer group before power transmission; moreover, all protection directions of the generation-transformer group are checked in advance, thereby saving time and fuel oil along with economical efficiency, environmental protection and safety. The electric secondary AC circuit detection method can check secondary circuits such as the transformer and the bus differential protection of a transformer substation.

In a time of flight mass spectrometer (TOF-MS) of the present invention, a flight controller makes ions fly a loop orbit a predetermined number of turns, and an ion detector detects the ions at each turn of the flight. A flight time measurer measures the length of flight time of ions of a same mass to charge ratio at every turn, and a data processor constructs a spectrum of flight time. The data processor further computes the Fourier transformation of the spectrum, and determines the mass to charge ratio of the ions based on a frequency peak appearing in the Fourier transformation.

A measurement patch device may change length according to somatotype of a user, and may be joined with another measurement patch device integrally according to the need of different physiological lead measurement. Moreover, the two joined measurement patch devices may rotate with respect to each other, such that multi-channel or multi-lead physiological signal may be measured to save measurement time of physiological signal.

The invention concerns a method of measuring at least one time or an elapsed period of a competitor in a sports competition via a transponder module which is personal to the competitor and accompanies the competitor throughout the competition in a measuring system. The personalised transponder module is activated at the start of the competition or in intermediate positions or at the finish line of the competition (6). Detection of at least one variation in motion or vibration level is effected by a motion sensor (11) integrated in the transponder module. The transponder module transmits data related to the detection effected by the motion sensor on the competition route or in intermediate positions or at the finish line of the competition, to a decoder unit (4) of the measuring system to check a time or elapsed period related to the detection of the competitor's motion sensor.

A method for merging images of an object is provided. The method includes the steps of: (a) reading the images in a storage merging all the images to form a logic rectangle rcA, and calculating a reduction scale S of the logic rectangle rcA; (b) calculating a reduction scale S of the logic rectangle rcA; (c) generating a image rcC by reducing the logic rectangle rcA according to the reduction scale S and a coordinate mapping; (d) reading all the pixel rectangles rcB; (e) reducing each of the pixel rectangles rcB according to the reduction scale S to generate an image rcD; and (f) incorporating all the generated images rcD to the image rcC according to the coordinate mapping to form an overall image of the object. A related system is also disclosed.

The invention provides a polycrystalline silicon furnace tube deposited film thickness monitoring device and method. A top control wafer and a middle control wafer can be replaced with control wafers of which the surfaces are subjected to annealing treatment in an existing three control wafer monitoring mode, and the problem that film thicknesses of wafer surfaces of a product are inconsistent can be avoided; meanwhile, the authenticity and stability of control wafer monitoring data are guaranteed, and the product yield is increased.

The invention relates to a measuring method of transconductance parameters, which is suitable for transconductance of a measurement oscillating circuit; wherein the oscillating circuit comprises an inverter; the measuring method of transconductance parameters comprises the following steps: connect the input end and the output end of the inverter in a floating way and measure output end to obtain bias voltage of the inverter; connect the input end in a floating way and respectively provide first voltage and second voltage for the output end, so as to measure first current corresponding the first voltage and second current corresponding to the second voltage from the output end; the first voltage and the bias voltage have the same voltage level; according to the first voltage, the second voltage, the first current and the second current, the output resistance of the inverter is obtained; according to the output resistance, the transconductance of the oscillating circuit is obtained. In the invention, the transconductance parameters of the oscillating circuit of the inverter in an integration circuit are measured by a direct-current way, the measuring time is effectively reduced and the test cost is reduced.

In order to enable efficient calculation of shim settings for a magnetic resonance imaging system, a method for magnetic resonance imaging of an object under investigation using a magnetic resonance device is provided. The method includes acquiring first magnetic resonance image data of the object under investigation using the magnetic resonance device. The method also includes segmenting the first magnetic resonance image data into at least two material classes, calculating a B0 map based on the segmented first magnetic resonance image data and based on susceptibility values of the at least two material classes, and calculating shim settings based on the calculated B0 map. The method also includes acquiring second magnetic resonance image data of the object under investigation using the magnetic resonance device. The acquisition of the second magnetic resonance image data is undertaken using the calculated shim settings.

A heat conduction performance detection device includes one heating portion, one bearing portion, said bearing portion including one supporting block and first heat conduction block integrated moulded with said support block, said first heat conduction block further including one loaded plane, one buckle portion including heat conduction block, said second heat conduction block further including one buckle plane corresponded with above-mentioned loaded plane, and plurality of buckle, wherein said heating portion providing bearing portion one constant temperature, two ends of said buckle respectively fastening first heat conduction block and second heat conduction block, said second heat conduction block further including one temperature measuring unit for measuring second heat conduction block temperature.

The present invention discloses a screw press head detector, which comprises an eccentric mechanism for driving an ascending/descending rod module to press a probe module downward and using a groove of the prove rotary head to rotate and fix a screw at the same angle with the polygonal hole of the screw in order to facilitate the detection of the depth of the polygonal hole of the screw, and push the fixed rod upward to fix the screw and facilitate the measurement of the length, thread pitch, screw thread angle and thread pitch between the bottom of the screw head to the screw thread as to constitute a screw press head detector featuring the simple operation procedure, accurate measurement, capability of detection several items and time saving.

The invention discloses a method for opening grille holes of a seawater tank and a ship section. The method for opening the grille holes of the seawater tank comprises the following steps of establishing a ship hull coordinate system in computer software; according to the installation area range of the seawater tank grille, creating a ship hull plate model corresponding to the installation area range; according to the sizes and shapes of the grille holes of the seawater tank, establishing a hole-opening area model; combining the hole-opening area model and the ship hull plate model to form a fitting model; taking a reference structure as a benchmark, performing a plurality of sectioning on the fitting model, marking intersection points between sections and the hole-opening area model on the surface of the ship hull plate model, and taking the intersection points as reference points; connecting reference points to obtain a hole-opening edge line of the grid holes of the seawater tank; and finally drawing a hole-opening scribing pattern and carrying out hole opening. According to the method for opening the grille holes of the seawater tank, computer-aided design is adopted, and accurate hole opening of the grid holes of the seawater tank is completed in a sectional construction stage, the precision measurement and the scribing time of a dock stage are saved, and the cost required by a secondary hole opening operation is saved.

This invention provides one measurement program generation method, which comprises the following steps: editing program codes; judging program codes edit process for wrong program codes; if there is error codes, then indicating wrong program codes position and causes and going back to program codes; if there is not wrong codes, then judging whether to fulfill program codes; if the program codes is edited then storing them into one program files and coding the program film into one execution files.

Heat conduction structure designed of thermometer makes the temp induced reach heat balance and heat conduction rapidly so as to show thermometer fleetly. Metal header located in front of measuring end of the thermometer is contacted to the part to be measured. Sensing element and connecting wire are contacted to inner wall of the said metal head closely. Thus, the wire is not as a part of dissipating quantity of heat, and becoming as a source of compensating quantity of heat. Comparing with prior art, the invention is easier to make metal head, sensing element and lead wire reach heat balance since the said structure. The result is that the thermometer displays corrective temp quickly so as to reduce measuring time.

An overlay mask includes a plurality of first patterns, a plurality of second patterns and a plurality of third patterns. The first patterns are arranged within a first pitch. The second patterns are arranged within a second pitch. A first portion of the third patterns are arranged alternately with the first patterns, within the first pitch, and a second portion of the third patterns are arranged alternately with the second patterns, within the second pitch, and the first pitch is not equal to the second pitch.

The invention provides a probe-type film thickness measuring machine automatic wiped film measuring device and a using method thereof. A wiped film blade, a wiped film debris processing mechanism and a visual field CCD are added to the existing probe-type film thickness measuring machine. The wiped film blade, the wiped film debris processing mechanism and the visual field CCD are all arranged on a measuring disc. Through searching the CCD, a measuring point position of a measuring object is determined. A measuring probe head moves to the measuring point position, a height change curve in a measuring area is drawn, whether the measuring object needs wiped film processing is judged, wiped film coordinates are determined through the relative distance between the wiped film blade and the measuring probe, the point position, the wiped film direction and the wiped film length are selected, the wiped film blade drops, automatic film wiping replaces manual film wiping, the measuring time is greatly reduced, the wiped film measuring precision and the operability are greatly enhanced, and the danger of damaging the measuring object by the wiped film blade can be avoided. The device and the method of the invention are applicable to each channel process for a color substrate.

The invention provides a GSM-based remote intelligent nuclear phase instrument comprising a master station terminal, wherein the master station terminal comprises a micro processor I, a phase detection module I, a wireless receiving module I, a GSM communication module I and a GPS timing module I; a remote terminal comprising a micro processor II, a wireless receiving module II, a GSM communication module II, a GPS timing module II, a phonetic system II, an LED indicator lamp II, a buzzer II and a liquid crystal display screen II, which are respectively connected with the micro processor II, and a phase detection module II in communication connection with the wireless receiving module II; the master station further comprises a low power consumption control module, the low power consumption control module comprises a clock chip and a relay control circuit, and the relay control circuit controls the on-off of a main power supply circuit of the master station terminal; and the master station terminal is arranged in a central power station, and a plurality of remote terminals can send a startup and shutdown instruction to the GSM communication module I of the master station terminal through the GSM communication module II and receive measurement data. The GSM-based remote intelligent nuclear phase instrument is simple to measure and is reliable to operate, and no operation of multiple people is required.

The invention discloses a multi-line interference Rayleigh scattering speed measuring device for a flow field. The device comprises a laser, a multi-line laser probe and flow field interaction unit, a multi-line forward scattered light collection unit, a reference unit and a detection unit; the multi-line laser probe and flow field interaction unit comprises a half-wave plate, a cylindrical focusing lens and a cylindrical microlens array arranged in sequence along the exit light path of the laser; the detection area of a multi-line laser probe is formed on the exit light path of the laser and approaches the focus of the cylindrical focusing lens, the flow field to be measured flows through the detection area, and the direction of the flow field inclines to the exit direction of the laser; the multi-line forward scattered light collection unit is a lens set inclining to the direction of the flow field; the reference unit comprises an incident beam splitter, a reflector and an exit beam splitter; and the detection unit comprises a Fabry-Perot etalon and an ICCD (Intensified Charge Coupled Device) camera arranged along a scattering light path. The device obtains the transient two-dimensional speed of the flow field by measuring the Doppler shift of multi-line forward scattered light, and is suitable for flow speed diagnosis of multiple flow fields.

A sampling spectrophotometer comprising an interferometer is used for performing a spectral analysis of light produced by a source. The sampling is adapted for eliminating uncertainty in the frequencies that are associated with spectral components deduced from an interferogram. Preferably, the interferometer is of Michelson type, and is equipped with at least one staircase mirror in one of the two optical paths. Elementary reflecting strips of the staircase mirror can then be offset with respect to one another according to a variable step.