Abstract: Nuclear magnetic resonance (NMR) simulations of a porous medium are provided based on physical data such as CT images. A method of evaluating the surface relaxation of the porous medium based on random-walk NMR simulations includes a novel algorithm to derive the absorption probabilities of the random walkers, and algorithms that can evaluate more accurately the surface area and reduce the voxel discretization effect. The methods can be applied to conventional porous media as well as unconventional porous media such as reservoir rocks with high surface-to-volume ratios, for example tight sandstones or shale.

Abstract: A method and apparatus for analyzing a signal, in which a spectrum of the signal is provided, which spectrum is the result of a multiplication of the signal by a predefined window function and a subsequent Fourier transform, the highest spectral line and the adjacent second-highest spectral line are determined in the spectrum in the region of at least one local maximum, the amplitude of the highest spectral line and of the second-highest spectral line is determined, at least one value dependent on the amplitude of the highest spectral line and on the amplitude of the second-highest spectral line is determined, a frequency correction value is determined for the frequency of the highest spectral line from the determined value using a frequency correction characteristic curve which was created for the predefined window function, and the frequency of the highest spectral line is corrected by the frequency correction value.

Abstract: A signal generation circuit for producing an identification signal at a defined frequency. A frequency calibration circuit is electrically coupled to the signal generation circuit and is configured to set the defined frequency. The frequency calibration circuit includes a first calibration portion positioned on a first electrical subsystem and a second calibration portion positioned on a second electrical subsystem. An identification circuit is configured to process the identification signal to generate an identification result.

Abstract: Disclosed is a method of processing a periodic voltage signal, called the input signal, relating to the pressure existing in a combustion chamber of a cylinder of an internal combustion engine. The method includes a step (E6) of determining a second instant of unlocking of the base signal during a second peak phase, a step (E7) of determining a second instant of locking, which is subsequent to the second instant of unlocking and for which the input signal is in the plateau phase consecutive to the second peak phase, and a step (E8) of generating a base signal between the second instant of unlocking and the second instant of locking on the basis of a slope value of a straight line determined during a first peak phase between a first instant of unlocking and a first instant of locking.

Abstract: A controller switches a measurement unit from a non-measurement state to a measurement state to start measurement processing of the measurement target physical amount when a trigger condition having a lowest variation level for a steady state is satisfied in plural trigger conditions set according to a trigger physical amount detected by a trigger detector, and the controller interrupts currently-performed measurement processing to start measurement processing corresponding to a trigger condition having a higher variation level when the trigger condition having the variation level for the steady state higher than that of the trigger condition corresponding to the currently-performed measurement processing is satisfied during performance of the measurement processing.

Abstract: In a device and a method for monitoring a clock signal of a position measuring device, which is connected to sequential electronics via a data transmission channel, and the data transmission channel has a data line, via which data signals are transmittable from an interface unit of the position measuring device to an interface unit of the sequential electronics, the interface unit of the position measuring device including a pulse generation unit, by which a test pulse is able to be generated based on the time pattern of the clock signal, and is transmittable via the data line to the interface unit of the sequential electronics. The interface unit of the sequential electronics includes a pulse measuring unit, by which a pulse duration of the test pulse in the time pattern of a clock signal of the sequential electronics is measurable in a functionally reliable manner and by which a measured value representing the pulse duration is able to be output to a control unit for analysis.

Abstract: A method for estimating an SOC-OCV profile by degradation of a secondary battery according to an embodiment of the present disclosure includes individually obtaining an SOC-OCV profile (a first profile) of a cathode of the secondary battery and an SOC-OCV profile (a second profile) of an anode of the secondary battery using a half cell; obtaining a new SOC-OCV profile (a third profile) of the cathode by reflecting a level of degradation (a %) by use of the secondary battery to modify the SOC-OCV profile of the cathode, but setting only an SOC range to be narrow in proportion to the level of degradation while maintaining an OCV range of the cathode as it is; obtaining a new SOC-OCV profile (a fourth profile) of the anode by migrating the SOC-OCV profile of the anode in a horizontal direction taking into account the level of degradation by use of the secondary battery; and obtaining a new SOC-OCV profile (a fifth profile) by determining a subtraction of an OCV value by the SOC-OCV profile of the anode from an O

Abstract: A rotary machine diagnostic system includes: a current measurement unit for measuring a leakage current of a rotary machine; a voltage measurement unit for measuring a voltage of the rotary machine corresponding to the flowing leakage current; and a data processing unit. The data processing unit has a function of performing transient response analysis on a predetermined equivalent circuit model, which is equivalent to a leakage current path of the rotary machine, using current data and voltage data having a predetermined time width which are respectively measured at predetermined time intervals by the current measurement unit and the voltage measurement unit, and a function of extracting parameters of the equivalent circuit of the leakage current path.

Abstract: A near-bit tool attitude MWD apparatus includes measurement sensors and a measurement circuit. The measurement sensors transmit measured signals to the measurement circuit, and the measurement circuit processes and calculates the signals to obtain attitude data. The measurement sensors include a triaxial accelerometer, a triaxial gyroscope, a triaxial magnetic sensor and a temperature sensor, the measured data of the triaxial accelerometer, the triaxial gyroscope and the triaxial magnetic sensor are respectively corrected using the measured data of the temperature sensor, a first attitude angle is calculated using the corrected measured data of the triaxial accelerometer and the triaxial magnetic sensor. Quaternions are initialized using the first attitude angle, and the initialized quaternions are subjected to time updating according to the measured data of the triaxial gyroscope, and further an attitude angle is calculated utilizing the updated quaternions.

Abstract: Method for measuring the power line thermal rating or maximum allowable current rating of an overhead power line with respect to a suspended/anchored cable span (2), comprising at least the following steps of: monitoring a motion of at least one point P of said suspended/anchored cable span (2) over a time interval; monitoring actual line current I, in A, over said time interval; determining an actual sag of said suspended/anchored cable, as a variable of actual line current; measuring or determining the effective wind speed of said suspended/anchored cable span (2) over said time interval; determining a sag reserve DF, in m, for thermal rating, which is the distance between the actual sag and a maximum allowable sag; determining the rate of change, tan(?), in m/A2, of the actual sag versus the square of the line current for the effective wind speed; and determining the power line thermal rating of the overhead power line, or ampacity, linked to a corresponding safety clearance, at measured or determined

Abstract: Systems and methods are disclosed for abstracting a source of sensor data by translating data sink processor communications from a hardware-independent format to a hardware-dependent format and by translating data source portion communications from a hardware-dependent format to a hardware-independent format.

Abstract: A resonator connector for a wireless power transfer system includes: one or more conducting materials to carry electricity between two or more electromagnetic resonators; a first plug coupled with the one or more conducting materials; a second plug coupled with the one or more conducting materials; and an impedance module coupled with the one or more conducting materials, the impedance module including an impedance matching network; wherein the impedance module is configurable to adjust electrical properties of the one or more conducting materials, using the impedance matching network, when the resonator connector electrically couples together the two or more electromagnetic resonators of the wireless power transfer system including at least three electromagnetic resonators, so as to improve power transfer efficiency among the at least three electromagnetic resonators of the wireless power transfer system, the at least three electromagnetic resonators including the two or more electromagnetic resonators.

Abstract: Various embodiments include apparatus and methods to make resistivity measurements in a borehole using tool having an array of electrodes operable to provide focused currents, measure corresponding voltages, and measure corresponding voltage differences to determine resistivity. Tools can be configured to operate at a plurality of modes when voltage differences at some frequencies are effectively unreadable. Additional apparatus, systems, and methods are disclosed.

Abstract: A method for applying stress conditions to integrated circuit device samples during accelerated stress testing may include partitioning each of the integrated circuit device samples into a first region having a first functional element, partitioning each of the integrated circuit device samples into at least one second region having at least one second functional element, applying a first stress condition to the first region having the first element, applying a second stress condition to the at least one second region having the at least one second element, determining a first portion of the integrated circuit device samples that functionally failed based on the first stress condition, and determining a second portion of the integrated circuit device samples that functionally failed based on the second stress condition. An acceleration model parameter is derived based on the determining of the first and second portion of the integrated circuit samples that functionally failed.

Abstract: A method and a system for monitoring the performance of combined sewer overflow structures is described. The inventive system includes sensors for monitoring the level of sewage in the structure and the operation of valves. A data processing unit collects data and calculates the flow of an overflow event and/or the performance of gate valves. The system may be battery operated and may adaptively change the sensor sampling time to prolong battery lifetime.

Abstract: A system, method and computer program product are provided for combining raw data from multiple metrology tools. Reference values are obtained for at least one parameter of a training component. Signals are collected for the at least one parameter of the training component, utilizing a first metrology tool and a different second metrology tool. Further, at least a portion the signals are transformed into a set of signals, and for each of the at least one parameter of the training component, a corresponding relationship between the set of signals and the reference values is determined and a corresponding training model is created therefrom. Signals from a target component are collected utilizing at least the first metrology tool and the second metrology tool, and each created training model is applied to the signals collected from the target component to measure parametric values for the target component.

Abstract: A method for determining optimal values of a mass spectral operating parameter for mass spectral analysis of each of a plurality of compounds comprises: acquiring a plurality of mass spectral measurements of each of at least one characteristic ion species of each respective compound during its introduction into a mass spectrometer while a quantity of each introduced compound varies with time wherein, for each characteristic ion species, the operational parameter is caused to vary between successive mass spectral measurements of the said species; calculating, for each characteristic ion species, a corrected intensity of at least a portion of the plurality of mass spectral measurements of said each species, based on a best-fit synthetic model curve that relates to the time variation of the respective corresponding compound; and determining the optimal values of the operating parameter from analyses of variation of the corrected intensities with respect to the operational parameter variation.

Abstract: In a method of for generating a crop recommendation, a plurality of data sets are received by a computer system from a plurality of disparate data sources, wherein each of said plurality of data sets describes a factor affecting a crop. A benchmark is created by the computer system for each of the data sets which describes how the factor affects the market value of the crop. A model is generated by the computer system which describes the crop based upon each of said benchmarks from the plurality of data sets. A report is then generated by the computer system comprising at least one recommendation to increase the market value of the crop.

Abstract: A computerized method of processing data for use in weather modeling is provided. The method includes receiving, from a first data source, by a first server, microwave link data including signal attenuation information. The method also includes pre-processing, in real time, by the first server, the microwave link data, thereby producing pre-processed microwave link data, The method also includes storing the pre-processed microwave link data in a first data store. The method also includes receiving, from the first data store, by a second server, the pre-processed microwave link data. The method also includes processing, on a scheduled routine, by the second server, the pre-processed microwave link data using a data transform, thereby producing first weather data.

Abstract: Cash drawers having a network interface and a processing unit are disclosed. The network interface connects to a network. The processing unit detects cash drawer events and transmits an indication of the cash drawer events across the network interface. The cash drawer optionally includes a storage component that stores the indication of the cash drawer events. The network interface may be a wired or a wireless interface. The cash drawer may receive electrical power from an external supply or from the network connection.