Abstract: A cable with sensor, including a cable, and a sensor section provided at an end of the cable. The sensor section includes a plurality of magnetic sensors each including a detection section that includes a magnetism detection element and a cover covering the magnetism detection element, and a housing portion coating the plurality of magnetic sensors and the cable. The cable is extending out of the housing portion. The respective detection sections are arranged to be aligned with each other in a direction intersecting with an extending direction of the cable from the housing portion of the cable.

Abstract: It is aimed at improving sensitivity of a magnetic sensor using the magnetic impedance effect. A magnetic sensor includes: a non-magnetic substrate; and a sensitive element including a soft magnetic material layer composed of an amorphous alloy with an initial magnetic permeability of 5,000 or more, the soft magnetic material layer being provided on the substrate, having a longitudinal direction and a short direction, being provided with uniaxial magnetic anisotropy in a direction crossing the longitudinal direction, and sensing a magnetic field by a magnetic impedance effect.

Abstract: A magneto acoustic emission detection method for fatigue damage of ferromagnetic metal components: First, generating an excitation magnetic field by using a sine wave voltage signal, gradually increasing a loading voltage until a magneto acoustic emission signal of a bimodal envelope with an obvious tail peak is acquired, and taking a corresponding voltage peak value as a reference voltage; second, generating an excitation magnetic field by using a square wave voltage signal equal to or higher than a reference voltage, and acquiring a magneto acoustic emission signal with a T-shaped envelope; and third, calculating the average value of peak-to-peak values of the magneto acoustic emission signal in multiple periods to serve as a characteristic parameter, and enabling the characteristic parameter to have inflection point change along with the development of the initiation and expansion of the fatigue crack, and giving a timely early warning for the failure of the component.

Abstract: Superconducting output amplifiers having return to zero to non-return to zero converters are described. An example superconducting output amplifier (OA) includes a first superconducting OA stage having a first DC-SQUID and a second DC-SQUID arranged in parallel to the first DC-SQUID. The superconducting OA includes an input terminal for receiving a single flux quantum (SFQ) pulse train. The superconducting OA includes a first splitter configured to split a first set of SFQ pulses corresponding to the SFQ pulse train into a first return to zero (RZ) signal and a second RZ signal. The superconducting OA includes a first return to zero to non-return to zero (RZ-NRZ) converter configured to convert the first RZ signal into a first non-return to zero (NRZ) signal for driving the first DC-SQUID, and a second RZ-NRZ converter configured to convert the second RZ signal into a second NRZ signal for driving the second DC-SQUID.

Abstract: A target value of magnetic flux density and magnetic flux density actually obtained are made to coincide precisely with each other. An electromagnet control device comprises a current value determining unit for determining, based on a magnetic flux density instruction value, a value of current that is made to flow through a coil. The current value determining unit is constructed to execute a second process for determining, based on a second function, a value of the current, if the magnetic flux density is to be decreased from that in a first magnetization state, and a fourth process for expanding or reducing the second function by use of a first scaling ratio for transforming it to a fourth function, and determining, based on the fourth function obtained after above transformation, a value of the current, if the magnetic flux density is to be decreased from that in a third magnetization state.

Abstract: In a computer-implemented method of training a machine learning based processor, the processor can be trained to derive image data from signal data sets of multiple spin echo sequences. The trained processor can be configured to perform image processing for Magnetic Resonance Imaging (MRI) to derive the image data.

Abstract: A superconducting electronic circuit includes at least two SQUID elements, an array of at least three Josephson Junctions, and a magnetic source element. Each SQUID element has no shared Josephson Junctions or at least one shared Josephson Junction with another SQUID element and at least one exclusive Josephson Junction. The array of at least three Josephson Junctions are connected in one, two, or three-dimensions. The magnetic source element has an electrically-tunable spatially non-uniform magnetic field.

Abstract: A receiver for detecting at least one electromagnetic signal while the receiver is moving relative to the Earth's magnetic field, the receiver comprising: an SQUID array for generating an output that is a transfer function of SQUID array magnetic flux that is supplied from a combination of an oscillating magnetic field of the at least one electromagnetic signal, the Earth's magnetic field, and a bias magnetic field; a bias-tee configured to divide the SQUID array output into a DC signal and an RF signal; a memory store configured to store a plurality of voltage and flux bias values, wherein each voltage value has a corresponding flux bias value that results in maximum SQUID array sensitivity; and a logic circuit configured to find a voltage value in the memory store that most closely matches the DC signal, and to apply to the SQUID array a flux bias corresponding to the most closely matched voltage value.

Abstract: A gradiometer includes a at least one magnet attached to a beam. The magnet moves in response to a magnetic force. A sensing element is configured to measure movement or deflection of the beam or magnet. The gradiometer is configured to determine a gradient of a magnetic field acting on the first magnet based on movement of the magnet. The gradiometer can further measure higher order gradients.

Abstract: The invention relates to the field of soil analysis, in particular the technical analysis of agricultural or horticultural soils. In particular, the invention relates to a sensor device for in situ soil analysis, to a method for in situ soil analysis, and to a device set up for carrying out the soil analysis method, wherein said device, together and in interaction with one or more of said sensor devices, represents a system for in situ soil analysis. The sensor device has a sensor assembly comprising one or more sensors which are configured individually or cumulatively for the simultaneous in situ measurement of at least two of the following soil properties of a soil to be analyzed and for providing corresponding respective measurement data: (a) impedance spectrum, (b) temperature, (c) absorption spectrum NIR-VIS-UV in a spectral range from NIR (near infrared spectral range) to UV (ultraviolet spectral range), and (d) acidic or basic character, in particular pH value.

Abstract: A calibration device comprising: a plurality of magnetic sensors positioned at the calibration device, the plurality of magnetic sensors defining a space; a controller configured to be positioned in the space defined by the plurality of magnetic sensors, wherein the controller includes a magnetic transmitter; and one or more processors configured to: cause the magnetic transmitter to generate magnetic fields; receive signals from the plurality of magnetic sensors that are based on characteristics of the magnetic fields received at the plurality of magnetic sensors; calculate, based on the signals received from the plurality of magnetic sensors, positions and orientations of the plurality of magnetic sensors relative to a position and orientation of the magnetic transmitter; and determine whether the calculated positions and orientations of the plurality of magnetic sensors are within one or more threshold limits of known positions and orientations of the plurality of magnetic sensors.

Abstract: A system for measuring an angular position of a rotor with respect to a stator, wherein the rotor is rotatable around a rotation axis, and the system includes: a magnetic source mounted on the rotor, having at least four magnet poles and providing a periodically repetitive magnetic field pattern with respect to the rotation axis; a sensor mounted on the stator and comprising a plurality of sensor elements for measuring at least one magnetic field component of the magnetic field and for providing a measurement signal thereof; the sensor being located substantially centered around the rotation axis, in a plane substantially perpendicular to the rotation axis at a first distance from the magnetic source; the sensor elements being located substantially on a circle at a second distance from the rotation axis; a calculator that determines the angular position by calculating it from the measurement signals.

Abstract: This method for detecting a poor module-mounting-state in a concentrator photovoltaic apparatus includes: photographing a surface of an array by an imaging device; obtaining an image in which a virtual image, magnified through a condenser lens, of a light receiving portion including a cell and a vicinity thereof is formed, and a collection of pixels of the virtual image forms a composite virtual image of an entirety of the light receiving portion, the composite virtual image being projected over a plurality of modules; and detecting a poor module-mounting-state based on a form of the composite virtual image.

Abstract: A magnetic field measurement device measures a magnetic flux density vector or a magnetic field vector generated from each of segments obtained by segmenting a measurement target surface of a vehicle. A magnetic field evaluation device includes a propagation intensity calculation unit and a display control unit. The propagation intensity calculation unit calculates propagation intensity that is the intensity of a magnetic field or the magnitude of magnetic flux density that propagates from each of the segments to an evaluation point that is separated from the measurement target surface with use of the magnetic flux density vector or the magnetic field vector in each of the segments and a separation distance between the segments and the evaluation point. A display control unit displays on a display unit a propagation intensity distribution image indicating the position of the evaluation point and distribution of the propagation intensity in each of the segments.

Abstract: A sample analyzer according to an embodiment includes a magnetic field applier configured to apply a magnetic field to a cartridge containing a sample and magnetic particles which bond an object to be detected in the sample; a measurer configured to measure the magnetic particles in the cartridge; and an analyzing processor configured to analyze and process a result of a measurement by the measurer. In addition, the magnetic field applier includes an electromagnet disposed on a first side of the cartridge; a magnetic member configured to be magnetized by the electromagnet; and a moving actuator configured to move the magnetic member.

Abstract: A magnetic resonance imaging apparatus includes a T/R switch. The T/R switch includes a double sided microstripline based hybrid couplers with a top side and a bottom side each including two concentric microstripline based hybrid couplers. Each of the two concentric microstripline based hybrid couplers includes an inner microstripline based hybrid coupler and an outer microstripline based hybrid coupler. The inner microstripline based hybrid coupler forms an inner loop of the two concentric microstripline based hybrid couplers and the outer microstripline based hybrid coupler forms an outer loop. In a transmission mode, the inner microstripline based hybrid coupler and the outer microstripline based hybrid coupler at the top side of the dual-tuned T/R switch are activated. In a receiving mode the inner microstripline based hybrid coupler and the outer microstripline based hybrid coupler at the top side and at the bottom side of the dual-tuned T/R switch are activated.

Abstract: An electromagnetic property measuring device includes a magnetic conductive structure, a coil, and a scattering parameter measuring unit. The magnetic conductive structure includes a first side facing a sample to be tested and a second side opposite to the first side, and the first side has a magnetic gap. The coil surrounds the magnetic conductive structure to generate a magnetic field with the magnetic conductive structure. The scattering parameter measuring unit is disposed at the first side and located within a range of the magnetic field.

Abstract: The present invention discloses a device for evaluating and demagnetizing residual magnetism quantity of a power transformer. A main circuit comprises a switching power supply the two ends of which are respectively connected with a filter capacitor and a resistor in parallel. A forward end of the switching power supply is connected with a main switch in series. A rear end of the main switch is connected with a series branch of a sixth switch and a first resistor, a series branch of a first switch and a second switch, and a series branch of a third switch and a fourth switch are connected in parallel. A driving circuit is respectively connected with driving ends of the main switch, the sixth, first, second, third and fourth switches. A control circuit is connected with the driving circuit for sending an instruction to the driving circuit.

Abstract: A differential gradiometer comprising a substrate with at least a pair of resonators disposed thereon, wherein each of the at least a pair of resonators is sensitive to environmental factors which produces differential strains between the resonators, a first one of said pair of resonators being connected with a circuit for forming a first oscillator, the second one of said pair of resonators being connected with another circuit for forming a non-linear oscillator, an output of the first oscillator being applied to the non-linear oscillator for generating a comb of frequencies, wherein an addition oscillator is locked to the nth tooth of the comb thereby increasing the sensitivity of the gradiometer by a factor of n.

Abstract: A method of determining a gradient of a magnetic field, includes the steps of: biasing a first/second magnetic sensor with a first/second biasing signal; measuring and amplifying a first/second magnetic sensor signal; measuring a temperature and/or a stress difference; adjusting at least one of: the second biasing signal, the second amplifier gain, the amplified and digitized second sensor value using a predefined function f(T) or f(T, ??) or f(??) of the measured temperature and/or the measured differential stress before determining a difference between the first/second signal/value derived from the first/second sensor signal. A magnetic sensor device is configured for performing this method, as well as a current sensor device, and a position sensor device.