Abstract: Instrument transformer for power grid conductor includes: a current sensing device having a secondary coil winding through which a power grid primary conductor is capable of extending and connecting to a primary conductor connector, a first low voltage (LV) lead connected to the secondary coil winding and a LV connector, and a first high voltage (HV) lead connected between the primary conductor connector and a HV connector, the voltage sensing device having a core with a primary coil winding, a second HV lead connected between a HV connector and primary coil winding, a grounding conductor connected between the primary coil winding and an output terminal, a second LV lead connected between a LV connector and output terminal, wherein the current and voltage sensing devices are electrically connected via HV and LV connectors, and wherein the current and voltage sensing devices are separable when corresponding HV and LV connectors are disconnected.

Abstract: A current sensor includes a bus bar through which a measured current is carried, a pair of shielding plates that include a magnetic material, and are arranged to sandwich the bus bar in a thickness direction of the bus bar, and a magnetic detection element that is arranged between the bus bar and one of the shielding plates, and detects an intensity of magnetic field caused by the current carried through the bus bar. The shielding plate has a length of not less than 20 mm in a length direction of the bus bar, and a width of not less than 24 mm and not more than 38 mm in a width direction orthogonal to the length direction.

Abstract: A magnetic field sensor comprises a magnetoresistance element with a variable conductivity that changes based on a function of a magnetic field strength and angle of an external magnetic field and a voltage across the magnetoresistance element. A circuit is included to monitor an electrical current through the magnetoresistance element during operation and to apply a constant voltage across the magnetoresistance element based on the monitored electrical current so that the variable conductivity does not change as result of a changing voltage across the magnetoresistance element.

Abstract: A power conversion device of the present invention includes a power conversion circuit configured to convert power; a conductor configured to transmit a current to the power conversion circuit; and a coreless current sensor configured to detect the current, in which the coreless current sensor includes: a magnetic field detection portion configured to detect a magnetic field of the current; and a shield portion that faces the magnetic field detection portion, the conductor includes: a first conductor portion that passes through a space between the magnetic field detection portion and the shield portion; and a second conductor portion connected to the first conductor portion via a first bent portion, and the first bent portion is formed such that the space between the magnetic field detection portion and the shield portion is not disposed in a direction perpendicular to a face of the second conductor portion closest to the shield portion.

Abstract: A voltage detecting circuit includes a rectifying circuit, a voltage dividing circuit, and a comparing circuit. The rectifying circuit is configured to rectify a plurality of AC phase voltages to output a plurality of rectified voltages respectively. The voltage dividing circuit is configured to divide the plurality of rectified voltages respectively to output a plurality of sampling voltages. The comparing circuit is configured to compare the plurality of sampling voltages with a reference voltage respectively to provide a plurality of corresponding phase failure detecting voltages. On the condition that the AC phase voltages are unbalanced, the phase failure detecting voltage switches between a high level and a low level.

Abstract: A system of sensors associated with a branched conductor of an AC power line using the conductor as the communication medium between different sensors. The communication is carried out at frequencies higher than the powerline frequency. At least one sensor is provided in every branch in the vicinity of every branching point of the conductor. Synchronous measurements are carried out of the root mean square current passing through every branch of the conductor and the direction of energy flow in the branch. Results of the measurements are regularly reported throughout the system. An arrangement is provided for analyzing the results of the measurements to determine the graph topology of the branched conductor and ascertain the distribution of the root mean square current passing through every branch of the graph.

Abstract: A system for accurately determining an amount of electrical current flowing through a Hall effect current sensor is provided. The system includes a microcontroller that determines a smoothed electrical current offset value based on an average measured apparent electrical current value, an electrical current offset smoothing coefficient, a prior smoothed electrical current offset value, and a prior electrical current offset trend value. The microcontroller determines an electrical current offset trend value associated with the Hall effect current sensor based on the smoothed electrical current offset value, an electrical current offset trend smoothing coefficient, a prior smoothed electrical current offset value, and the prior electrical current offset trend value.

Abstract: An abnormality diagnosis apparatus includes a time series data obtaining unit for obtaining test data and variable data, the test data being obtained from the test object over a predetermined period of time and being time series data of a predetermined attribute value that dictates whether an abnormality is present in the test object, and the variable data corresponding to the test data for the predetermined period of time and being time series data regarding a variable affecting the attribute value, a superimposed image generating unit for superimposing a waveform of the test data and a waveform of the variable data to generate superimposed image data, and a determining unit for determining whether an abnormality is present in the test object based on the superimposed image data generated by the superimposed image generating unit.

Abstract: A spectrum processing apparatus includes: a spectrum obtainer configured to obtain an optical spectrum from a light that is scattered or reflected from a subject; and a processor configured to split the optical spectrum into a plurality of bands, determine, based on a predetermined measurement accuracy for measuring a biosignal from the light, one or more key bands from the plurality of bands, and obtain the biosignal from the determined key bands.

Abstract: A capacitance adjustment method for enabling or disabling a first set of capacitors to an nth set of capacitors of n sets of capacitors, includes generating a base count according to base capacitance, generating a first count to an nth count according to the first set of capacitors to the nth set of capacitors respectively, obtaining a first ratio to an nth ratio according to the base count and the first count to the nth count, indicating a target count, obtaining a target ratio according to the base count and the target count, and obtaining a first control signal to an nth control signal according to the target ratio and the first ratio to the nth ratio so as to enable or disable the first set of capacitors to the nth set of capacitors accordingly.

Abstract: Systems of detecting high-voltage lines to guard against electrocution when using heavy machinery are disclosed. Systems of the inventive subject matter include an antenna to detect the high-voltage line, and upon detection, the system can cut power to a movement system of the heavy machinery. A manual override is provided so that a user can remove the heavy machinery from an area at risk of causing electrocution either by contact with the high-voltage line or by arcing from the high-voltage line.

Abstract: A method and system for detecting and locating a single-phase ground fault on a low current grounded power-distribution network, comprising: respectively testing and picking up the voltage signals and current signals at multiple positions on each phase feeder (61), and determining the corresponding transient voltage signals and transient current signals according to the extraction of the voltage signals and the current signals (62); when the change in the transient voltage signals and the transient current signals exceeds a preset threshold (63), synchronously picking up the voltage signals and current signals at multiple positions on a three-phase feeder (64); calculating corresponding zero-sequence voltages and zero-sequence currents according to the voltage signals and current signals synchronously picked up at multiple positions on the three-phase feeder (65), and then extracting the steady-state signal and transient signal of the zero-sequence voltage and zero-sequence current at each position on the thr

Abstract: A vehicle LED lighting outage detection circuit is disclosed for detecting a fault in the LED light and automatically increasing the power drawn from the light power supply in response to the fault. A complementary detection circuit is also disclosed for detecting the increased power draw and signaling a fault to an operator. The increased power draw can be selected to be in the form of a pulse that settles to a lower power draw state after a time to avoid excessive and wasteful power draw. The system can be mounted in a vehicle and, more particularly, to a semi-tractor truck.

Abstract: A ground loss detection circuit identifies a faulty ground connection in a vehicle electrical system including a pair of redundant ground lines connected between a vehicle battery/chassis ground and an electronic control unit (ECU). In particular, a first ground line is connected between the battery/chassis ground and a first ECU ground connection, while a second ground line is connected between the battery/chassis ground location and a second ECU ground connection. The ECU includes a common ground associated with selected electronic components included in the ECU. A first shunt component is connected between the first ECU ground connection and the common ground, and a second shunt component is connected between the second ECU ground connection and the common ground. The currents through the first and second shunt components are monitored to identify a current imbalance to detect a faulty ground connection in one of the first and second ground lines.

Abstract: An EM testing method includes forcing electrical current through EM monitor wiring arranged in close proximity to the perimeter of the TSV and measuring an electrical resistance drop across the EM monitor wiring. The method may further include determining if an electrical short exists between the EM monitor wiring and the TSV from the measured electrical resistance. The method may further include determining if an early electrical open or resistance increase exists within the EM monitoring wiring due to TSV induced proximity effect.

Abstract: A power supply device for a test equipment, test equipment having a power supply device and a method for operating a power supply device are described. The power supply device is configured for an at least partly capacitive load and has an output voltage provider configured to generate a target voltage, which is energized by an input supply voltage provided at an input of the power supply, wherein the target voltage generates an output supply voltage at the capacitive load, when the capacitive load is connected to an output of the power supply and a supply current monitor configured to monitor supply current flowing into the input of the power supply and to temporarily reduce the target voltage generating the output supply voltage, if a current value of the supply current exceeds a first predetermined threshold.

Abstract: The disclosed technology generally relates to integrated circuit devices with wear out monitoring capability. An integrated circuit device includes a wear-out monitor device configured to record an indication of wear-out of a core circuit separated from the wear-out monitor device, wherein the indication is associated with localized diffusion of a diffusant within the wear-out monitor device in response to a wear-out stress that causes the wear-out of the core circuit.

Abstract: An electronic element inspection equipment is provided, which is adapted to inspect an electronic element. The electronic element inspection equipment includes a first transmission track, a first rotational unit, a first image capturing device, a second image capturing device, a third image capturing device, a second rotational unit, a fourth image capturing device, and a second transmission track. The first rotational unit rotates around a first axis. When the first rotational unit moves the electronic element, the first image capturing device, the second image capturing device, and the third image capturing device capture images of the electronic element. The second rotational unit rotates around a second axis, wherein the second axis is perpendicular to the first axis. When the second rotational unit moves the electronic element, the fourth image capturing device captures one image of the electronic element.

Abstract: A method and associated system. The method includes steps of: (a) a voltage bin is selected from of a set of voltage bins, each voltage bin having a different range of frequencies based on the highest operating frequency and the lowest operating frequency specified for an integrated circuit chip not previously tested; (b) a functional path test is performed on a selected path of a set of testable data paths of the integrated circuit chip not previously tested; (c) if the integrated circuit chip fails the functional path test, then a current supply voltage value is changed to a voltage value associated with a not previously selected voltage bin; (d) a not previously tested path of the set of testable paths is selected. Steps (b), (c) and (d) are repeated until every path of the set of testable paths has been tested.

Abstract: An address and command port interface selectively enables JTAG TAP domain operations and Trace domain operations within an IC. The port carries TMS and TDI input and TDO output on a single pin and receives a clock signal on a separate pin. The addressable two pin interface loads and updates instructions and data to the TAP domain within the IC. The instruction or data update operations in multiple ICs occur simultaneously. A process transmits data from an addressed target device to a controller using data frames, each data frame comprising a header bit and data bits. The logic level of the header bit is used to start, continue, and stop the data transmission to the controller. A data and clock signal interface between a controller and multiple target devices provides for each target device to be individually addressed and commanded to perform a JTAG or Trace operation.

Abstract: A computer executable tool analyzes a gate-level netlist and uses an analysis result for accelerating a timing-accurate gate-level logic simulation via a parallel processing. The analysis identifies the following elements in the gate-level netlist: (1) netlist wires at partition boundaries for a value propagation; (2) netlist wires whose activities should be suppressed for a better performance; and (3) upstream FFs for partition boundaries to reduce a synchronization overhead. This information is then used to improve a parallel simulation performance.

Abstract: A method of testing a tester, comprising testing electronic units using a plurality of sites in order to obtain first bin assignment, instructing the tester to perform a tester quality test if conditions CiQA,1 and CiQA,2 are met, the tester quality test comprising performing a second plurality of tests on an electronic unit using a first site, thereby obtaining second bin assignment for the electronic unit, the second bin assignment being representative of passing or failing of the electronic unit of the second plurality of tests with respect to at least one second test criteria, wherein CiQA,1 is met if passing first bin assignment has been obtained for said electronic unit connected to the tester using the first site, and wherein CiQA,2 is met if data representative of passing first bin assignment obtained for electronic units which have been tested on the first site, meets a quality criteria.

Abstract: A lockout subassembly of an electronic circuit breaker. The lockout subassembly includes a rotatable latch bar having an engagement portion configured to engage with and prevent movement of an operating handle to an ON position, the rotatable latch bar including a lock portion, and a latch device configured to be receivable in the lock portion, wherein rotation of the rotatable latch bar is limited between a first and second rotational position in response to the latch device being received in the lock portion. The lockout of the operating handle can be removed upon passing at least one test so that the operating handle can be moved to the ON position. Circuit breakers including the lockout subassembly and methods of operating the circuit breaker are provided, as are other aspects.

Abstract: The present invention relates to a battery module and cell configuration recognition system for ID assignment, and more specifically, to a battery module and cell configuration recognition system for ID assignment that recognizes the number of battery cells and battery modules connected in series in order to assign an ID to a BMS and a battery cell of each of the battery modules.

Abstract: In one or more embodiments, an information handling system may include an embedded controller, communicatively coupled to a battery system that is configured to power the information handling system. The embedded controller may be configured to: receive a cycle count from the battery system; determine that the cycle count is above a threshold; query the battery system for an expected margin of error, in response to determining that the cycle count is above the threshold; receive the expected margin of error from the battery system; determine that the expected margin of error is within a range; and in response to determining that the expected margin of error is within the range, compute a condition metric of the battery system based on a prediction of a capacity of the battery system and a design capacity of the battery system and store the condition metric of the battery system.

Abstract: The present invention relates to a battery management system, and to a battery management system, in which a voltage measuring unit measuring a voltage of a battery and a control unit controlling the battery based on the measured voltage value are separated in a battery management controller included in an existing battery management system and the voltage measuring unit is included in the battery disconnecting unit, thereby preventing insulation resistance between the voltage measuring unit and the control unit from being decreased.

Abstract: Disclosed is a technique for effectively detecting a low voltage defect that may occur at a secondary battery. A method for detecting a low voltage defect of a secondary battery includes an assembling step of assembling a secondary battery by accommodating an electrode assembly, in which a positive electrode plate and a negative electrode plate are stacked with a separator being interposed therebetween, and an electrolytic solution in a battery case; a primary aging step of aging the assembled secondary battery at a temperature of 20° C. to 40° C.; a primary formation step of charging the aged secondary battery at a C-rate of 0.1 C to 0.5 C; a high-rate charging step of charging the secondary battery at a C-rate of 2 C or above, after the primary formation step; and a detecting step of detecting a defect of the secondary battery, after the high-rate charging step.

Abstract: An internal state estimating device includes an electrolysis resistance calculating part calculating a post-deterioration resistance value of an electrolysis resistive component using a detection value from a sensor, a reaction resistance calculating part calculating a post-deterioration resistance value of a reaction resistive component using a resistance increase ratio and an initial resistance value of an reaction resistor, wherein the resistance increase ratio is a ratio of the post-deterioration resistance value of the electrolysis resistive component to an initial resistance value of an electrolysis resistor, and a capacitance calculating part calculating a post-deterioration capacitance value of an electric double-layer capacitive component using the resistance increase ratio and an initial capacitance value of the electric double-layer capacitive component.

Abstract: A system for determining a battery condition includes a temperature sensor configured to provide a temperature value associated with the battery, an impedance sensor configured to provide impedance information associated with the battery, and a controller. The controller is configured to determine a threshold impedance associated with a separator membrane of the battery based on an initial impedance of the separator membrane as measured by the impedance sensor and a battery temperature as measured by the temperature sensor, monitor, during operation of the battery, an actual impedance associated with the separator membrane of the battery based on the impedance information and the battery temperature, permit current flow to and from the battery when actual impedance is greater than the threshold impedance, and prevent current flow to and from the battery when the actual impedance is less than or equal to the threshold impedance.

Abstract: In described examples, a time-domain analyzer is arranged to generate an indication of a number of high-frequency events of an electrical monitor signal that includes a fundamental periodic frequency. The high-frequency events include frequencies higher than the fundamental periodic frequency. A frequency-domain analyzer is arranged to generate frequency band information in response to frequencies of the electrical monitor signal that are higher than the fundamental periodic frequency. A fault detector is arranged to monitor the indication of the number of high-frequency events and the generated frequency band information, and to generate a fault flag in response to the monitored indication of the number of high-frequency events and the generated frequency band information.

Abstract: To ascertain a parameter of a transformer (40) that has a high voltage side (41) and a low voltage side (43), a test signal generated by a source (13) is impressed on the low voltage side (43). A test response of the transformer (40) is recorded. A leakage reactance and/or a leakage inductance of the transformer (40) is determined by an evaluation device (18) of an apparatus (10) on the basis of the test response of the transformer (40).

Abstract: Certain embodiments may generally relate to a smart fault detection device for power grids, and a method of fault detection for power grids. A method may include receiving raw data samples of currents in grounding conductors and line conductors. The method may also include processing the raw data samples under at least one of a plurality of system operating modes. The method may also include monitoring normal operation and anticipating an impending fault while operating under at least one of the system operating modes. The method may further include extracting fault information based on the monitoring. The method may also include reporting the fault information to a supervisory control and data acquisition system human-machine interface. The method may further include anticipating faults based on an analysis of the raw data samples.

Abstract: A device includes a memory that stores a measurement-result of a first magnetization of a permanent-magnet corresponding to an external-magnetic field in an open-magnetic circuit; and a processor to divide the permanent-magnet into meshes, generate a function based on the measurement-result, the function indicating a second magnetization corresponding to the external-magnetic field in a closed-magnetic circuit, the function including a parameter having a value, calculate a diamagnetic-field corresponding to the external-magnetic field based on the second magnetization for each of the meshes, calculate a third magnetization of the permanent-magnet, calculate an average of the third magnetizations, calculate an error between the first magnetization and the calculated average, correct the value of the parameter, and repeat the calculation of the second magnetization, the diamagnetic-field, the third magnetizations, the average, and the error, and the correction of the value of the parameter until the error falls

Abstract: A sensor intermediate part is provided with a physical quantity detection element that has a power source terminal, a ground terminal and an output terminal that outputs a desired output signal, where the physical quantity detection element is capable of adjusting properties of the output signal; a high-capacitance capacitor, which has at least a first terminal and a second terminal, and a jumper wire, one end of which is conducted to either the power source terminal or the second terminal and the other end of which is not conducted. The first terminal is conducted to the ground terminal, and the power source terminal and the second terminal are configured to be electrically connectable by the jumper wire.

Abstract: A magnetic field sensor that includes a differential bridge in which each path of the bridge includes a first type of magnetic field sensing device and a second type of magnetic field sensing device. The first and second types of magnetic field sensing devices differ in the magnetic moment imbalance present in the synthetic antiferromagnets (SAFs) included in their reference layers such that that different types of devices produce a different response to perpendicular magnetic fields, but the same response to in-plane magnetic fields. Such different magnetic moment imbalances in the SAFs of magnetic field sensing devices included in a bridge allow for accurate sensing of perpendicular magnetic fields in a differential manner that also cancels out interference from in-plane fields. Techniques for producing such magnetic field sensing devices on an integrated circuit are also presented.

Abstract: According to one embodiment, an RF circuit includes a directional coupler, processing circuitry, and an adjuster. The directional coupler includes a first port for outputting at least a part of a traveling wave and a second port for outputting at least a part of a reflected wave. The processing circuitry is configured to calculate impedance of a load side that is viewed from the directional coupler, by using a voltage standing wave ratio based on respective outputs from the first port and the second port and a phase of the reflected wave based on an output from the second port. The adjuster is configured to adjust an output from at least one of the first port and the second port based on the impedance calculated by the processing circuitry.

Abstract: Methods and systems are provided for radio frequency (RF) coils for magnetic resonance imaging (MRI) systems. In one embodiment, an RF coil configured for an MRI system comprises a plurality of RF coil conductors, each RF coil conductor comprising a base side with two arms extending therefrom. In this way, the RF coil may efficiently generate magnetic fields with improved channel isolation while producing fewer annefact artifacts.

Abstract: An approach for accurately setting a duty cycle of PA switching waveforms uses an all-digital PVT sensor circuit. In various embodiments, the all-digital PVT sensor circuit measures a pulse width of a periodic reference signal using digital delay line, and subsequently, implements an off-chip digital calculation to program the digital delay line to delay this periodic reference signal so that, when the delayed periodic reference signal is combined with the original (undelayed) reference via a logical AND operation, the resulting signal conforms to a desired duty cycle. In one implementation, the PA is a class-D PA, which may have a single-ended configuration or a differential configuration having two single-ended structures operating in opposite phases.

Abstract: The disclosure relates to a local coil as well as a system including a magnetic resonance tomography system with a local coil. The local coil includes a data source and a signal output in signal communication with the data source for outputting data from the data source. The data source is configured to transmit a plurality of data items via the signal output. To this end, the signal output includes a radio-frequency source and a modulator and is configured to modulate to transmit the data from the data source onto a carrier frequency of the radio-frequency source by the modulator.

Abstract: A radiation screen comprising the elongate thermal conductors which reduce temperature gradients along the radiation screen and do no support electrical eddy currents. The radiation screen is easy to manufacture, does not require additional mechanical support and does not generate mechanical resonances so that the heat load onto the cold mass remains low.

Abstract: A method of producing a permanent magnet shim configured to improve a profile of a B0 magnetic field produced by a B0 magnet is provided. The method comprises determining deviation of the B0 magnetic field from a desired B0 magnetic field, determining a magnetic pattern that, when applied to magnetic material, produces a corrective magnetic field that corrects for at least some of the determined deviation, and applying the magnetic pattern to the magnetic material to produce the permanent magnet shim. According to some aspects, a permanent magnet shim for improving a profile of a B0 magnetic field produced by a B0 magnet is provided. The permanent magnet shim comprises magnetic material having a predetermined magnetic pattern applied thereto that produces a corrective magnetic field to improve the profile of the B0 magnetic field.

Abstract: A neonate incubator for positioning a neonate within a magnetic resonance imaging (MRI) device is provided. The neonate incubator can include RF shielding that can provide RF shielding during imaging, for example, while life support tubes are connected to the neonate during MRI imaging. The RF shielding can include a door to mate with a bore of the MRI device to provide the RF shielding, and a RF channel that extends along an axis that is substantially parallel to a longitudinal axis of the neonate incubator from an interior chamber of the neonate incubator through the RF shielding door.

Abstract: A method of employing a central computer database (18) for supporting a characterization of tissue by magnetic resonance fingerprinting measurements, includes: exciting nuclei of a subject of interest by applying (50) a radio frequency excitation field B1 generated according to a magnetic resonance fingerprinting sequence (38), acquiring (52) magnetic resonance imaging signal data from radiation emitted by excited nuclei of the subject of interest, transferring (54) a magnetic resonance fingerprinting data set (42) to the central computer database (18), retrieving (56) a predefined dictionary from the central computer database (18), matching (60) the acquired magnetic resonance imaging signal data to the retrieved dictionary by applying a pattern recognition algorithm to determine a value (40) or a set of values (40) for at least one physical quantity (T1, T2), adding (62) at least the determined value (40) or the determined set of values (40) as a new entry of an associated medical data set (36) to the centr

Abstract: A system and method including receiving magnetic resonance (MR) imaging data from a first MR scanner device, the MR imaging data including data for a plurality of MR scans of different structural or anatomical regions; generating, based on the MR imaging data, normalized reference data including statistical information for each MR scan; learning a transformation, based on the normalized reference data, to correlate a set of input MR imaging data to the normalized reference data; and storing a record of the transformed imaging data.

Abstract: A method for correcting one or more artifacts within a multi-spectral magnetic resonance image is provided. The method includes acquiring a plurality of spectral bins each including a plurality of voxels and corresponding to a different frequency of MR signals emitted by an imaged object. The plurality of voxels of each spectral bin correspond to the frequency of the spectral bin so as to define a spatial coverage of the spectral bin. The method further includes expanding each spectral bin by increasing the spatial coverage of the spectral bin, and generating the multi-spectral magnetic resonance image based at least in part on the expanded spectral bins.

Abstract: The invention provides for a magnetic resonance imaging system (100, 300) comprising: a radio-frequency system (116, 122, 124, 126, 126?, 126?, 126??) for acquiring magnetic resonance data (152) from an imaging zone (108), wherein the radio-frequency system comprises multiple antenna elements (126, 126?, 126?, 126??); a memory (140) containing machine executable instructions (170) and pulse sequence commands (150), wherein the pulse sequence commands cause the processor to acquire magnetic resonance data from the multiple antenna elements according to a SENSE protocol; and a processor.

Abstract: A method for MRI imaging of a subject includes spatially encoding spins in a slice of the subject in orthogonal first and second directions. The encoding includes applying a chirped radiofrequency (RF) pulse concurrently with application of a magnetic field gradient pulse along the first direction. After applying of the RF pulse, a second chirped RF pulse is applied concurrently with application of a second magnetic field gradient pulse, with polarity opposite that of the first gradient pulse. An encoding magnetic field gradient, constant from applying the first RF pulse until the end of applying the second RF pulse, is concurrently applied along the second direction. Following the encoding, a spin signal is measured concurrently with application of a constant readout magnetic field gradient.

Abstract: A magnetic resonance system is operated in a preliminary examination so as to acquire magnetic resonance data while an object undergoing investigation is in a first position relative to the scanner of the magnetic resonance system. Using the first magnetic resonance data, or image data derived therefrom, a processor reconstructs an image of the object. The image has a distortion in relation to the object. The processor presents the image to a person operating the system at a display device. The processor reconstructs the image such that the distortion is determined by a target position that is independent of the position of the object.

Abstract: A method for dynamic calibration of current sense for switching converters includes biasing a reference transistor with a Zero Temperature Coefficient current source, and a respective gate of each of the reference transistor and a power transistor with a gate voltage. The reference transistor and the power transistor each comprise a matching temperature coefficient. A reference voltage sensed across the reference transistor is multiplied by a gain, thereby generating a first calibration voltage, wherein the gain is determined by a gain coefficient. A transistor voltage sensed across the power transistor is multiplied by the gain, thereby generating a second calibration voltage. The first calibration voltage is compared to a target voltage to generate an error voltage. The gain coefficient is determined with an Analog to Digital Converter in response to the error voltage, thereby minimizing a difference between the target voltage and each of the calibration voltages.

Abstract: In one embodiment, a device obtains a machine learning model indicative of how to focus on particular location information from a plurality of radio frequency (RF) elements to provide an accurate location estimate of a wireless client based at least in part on angle-of-arrival information of the wireless client. When the device then obtains location information regarding the wireless client from the plurality of RF elements, it may apply the machine learning model to the location information regarding the wireless client to focus on particular location information of the location information from the plurality of RF elements. The device may then estimate a physical location of the wireless client based on focusing on the particular location information during a locationing computation.