Abstract: A nuclear magnetic resonance (NMR) downhole tool and method that may include a housing, a power source, a Radio Frequency (RF) pulse generator tank electrically connected to the power source, a power switch electrically disposed within the RF pulse generator tank and disposed in the housing, and an NMR signal acquisition tank electrically connected to the RF pulse generator tank and disposed in the housing. The method may include disposing the NMR downhole tool into a wellbore, charging a first capacitor with the power source that is electrically connected to the first capacitor, generating a RF pulse, disconnecting the first capacitor from the RF pulse generator tank, and storing energy from the inductive coil in the first capacitor. The method may further include connecting the inductive coil to an NMR signal acquisition tank using a decoupler switch and acquiring an NMR signal with the NMR signal acquisition tank.

Abstract: Disclosed herein are various devices, systems, and methods for use in agricultural, particularly for use in harvesting agricultural crop such as corn. Various implementations relate to methods and devices for measuring plant stalk cross-sectional area during harvest and providing additional methods of predicting and displaying yield on a row-by-row level in real time.

Abstract: A connector visual inspection apparatus comprises a rotatable clamp for clamping a connector to be inspected. A first camera of the apparatus is arranged on one side of the clamp for capturing an end face image of the clamped connector along an axial direction of the connector. A computing device calculates an angular difference between an initial loading orientation and a predetermined orientation of the clamped connector according to the captured end face image. A drive device rotates the clamp around an axis that coincides with a central axis of the clamped connector by the calculated angular difference and into the predetermined orientation.

Abstract: A solid-liquid contact electrification-based self-driving chemical sensor includes a container, a contact liquid, an electrode, a solid triboelectric layer, a rectifier, a load, and a displacement device. The contact liquid is placed in the container. The electrode may be actively or passively moved into the container to be immersed in or emerged from the contact liquid. The solid triboelectric layer surrounds and covers a surface of the electrode. The solid triboelectric layer includes a sensing layer which becomes a reacted sensing layer by reacting to a target analyte. The rectifier and the load are connected to the electrode. The displacement device is connected to the electrode or the container to perform a periodic reciprocating motion, so that the solid triboelectric layer is in contact with and separated from the contact liquid, thereby generating a surface charge transfer to generate an electrical output signal.

Abstract: An electromagnetic interference suppression circuit and a related sensing circuit. The sensing circuit includes an input and an output operatively coupled with the input. The input is adapted to be connected on a power line and in series between a load and a shunt circuit connected across power lines between a power source and the load. The output is adapted to provide a signal (Vs) associated with an electromagnetic interference signal (Vn) generated by or at the load and arranged to be experienced by the shunt circuit. The signal (Vs) can be used for determining a suppression signal (Vn?) for reducing, or substantially eliminating, the electromagnetic interference signal (Vn). The electromagnetic interference suppression circuit includes the sensing circuit, a regulator circuit, and a controlled signal source.

Abstract: Generating specific and contextualized natural language descriptions based upon raster-based weather visualizations for a defined geographic region. The generated natural language descriptions are provided in a written and/or audible form. In some cases, these natural language descriptions are generated based on weather forecast data sets that indicate a relative motion of certain weather-related events.

Abstract: Embodiments of systems and methods are provided to monitor operation of a compound water meter comprising a low flow meter and a high flow meter. In the disclosed embodiments, a first sensor package is coupled to the low flow meter to generate a first set of sensor data for monitoring operation of the low flow meter, and a second sensor package is coupled to the high flow meter to generate a second set of sensor data for monitoring operation of the high flow meter. The first and second sensor packages may each include, e.g., an optical sensor, a magnetic sensor and a vibration sensor. In the disclosed embodiments, the first and second sets of sensor data are analyzed to detect various potential problems within the compound water meter, such as a register failure, a crossover failure, a measurement failure, a bypass open condition and/or an incorrect flow meter size.

Abstract: A voltage measurement device includes: a plurality of voltage detection circuits which measure cell voltages of a plurality of cells connected in series. Each of the plurality of voltage detection circuits includes: a device address generating circuit which generates a device address according to a first address assignment command received from a preceding voltage detection circuit located at a preceding stage; and an address assignment command generating circuit which generates a second address assignment command according to the first address assignment command, and sends the second address assignment command to a next voltage detection circuit located at a next stage.

Abstract: A method and system for resistivity imaging. A method may comprise disposing a downhole tool into a borehole, applying a voltage difference between the array of injector electrodes, constructing a first set of formation images for each of the plurality of frequencies, applying a mud effect removal algorithm to produce a second set of formation images for each of the plurality of frequencies, applying a dielectric correction algorithm to each of the plurality of frequencies to produce a third set of formation images for each of the plurality of frequencies, and combining the first set of formation images, the second set of formation images, and the third set of formation images to obtain a blended image. A system for resistivity imaging may comprise a downhole tool. The downhole tool may comprises a pad, an array of injector electrodes, and one or more return electrodes.

Abstract: An atmospheric turbulence detection method includes: providing a temperature difference measuring device including a thermocouple element and two sensing probes, wherein the thermocouple element has two opposite end portions, the two sensing probes are respectively disposed at the two end portions, and there is an ambient distance between the two end portions; placing the temperature difference measuring device in an atmospheric environment to generate an electromotive force by a temperature difference between the two end portions; analyzing the electromotive force to convert the electromotive force into an ambient temperature difference of an environment where the two end portions of the thermocouple element are located, an atmospheric refractive index structure constant is calculated according to the ambient temperature difference and the ambient distance, and a value of the atmospheric refractive index structure constant corresponds to an ambient disturbance of an atmospheric turbulence.

Abstract: According to one embodiment, a magnetic resonance imaging system includes a first power supply, one or more second power supplies and control circuitry. The first power supply supplies power to a magnetic resonance imaging apparatus at a time of power outage of a commercial power supply electrically connected to the magnetic resonance imaging apparatus. The second power supplies supply the power to the magnetic resonance imaging apparatus. The control circuitry determines a state of feeding from the first power supply and the second power supplies to the magnetic resonance imaging apparatus, and performs control of power consumption in the magnetic resonance imaging apparatus based on a determination result of the state of feeding.

Abstract: A method for determining system resistance of at least one power supply of a handheld medical device, the method including: a) generating at least one excitation voltage signal, wherein the excitation voltage signal comprises at least one direct current (DC) voltage signal, wherein the excitation voltage signal has a fast transition DC flank of 20 ns or less; b) applying the excitation voltage signal to at least one reference resistor having a predetermined or pre-defined resistance value, wherein the reference resistor is arranged in series with the power supply; c) measuring a response signal of the power supply; d) determining a signal flank from the response signal and determining an ohmic signal portion from one or both of shape and height of the signal flank; and e) determining the system resistance of the power supply from the ohmic signal portion.

Abstract: A geological subsurface movement detection system that is configured to provide detection of movement in a subsurface area so as to provide data regarding issues such as but not limited to sinkhole development. The present invention includes an implant sensor assembly that is placed within a casing that has been installed in a bored hole in the ground. The implant sensor assembly includes a switch housing that is operably coupled to a contact member wherein the contact member is operably coupled utilizing a spring member. The switch housing includes a first switch and a second switch disposed in the interior volume that are electrically coupled on a circuit. A signal generator is operably coupled to the implant sensor assembly via a wire and is operable to send a pulse electrical signal thereon. A computing device is operably coupled to the signal generator and is operable to collect signal profile data.

Abstract: There are provided systems and methods for providing a barometric altitude monitor that assist pilots by providing alerts when a barometric altitude of the ownship aircraft is may be incorrect. Various embodiments of the present invention determine whether significant errors in barometric altitude occur though comparisons to alternate altitude information sources. Through aspects of the present invention, errors arising from manual entry of barometric pressure information by a pilot may be identified before safety issues arise, thus helping to prevent events such as controlled flight into terrain (CFIT).

Abstract: Techniques regarding operating one or more parallel dipole line traps are provided. For example, one or more embodiments described herein can comprise a system, which can comprise a parallel dipole line trap comprising a diamagnetic object positioned between a plurality of dipole line magnets. The system can also comprise a split photodetector sensor positioned adjacent to the parallel dipole line trap. The split photodetector sensor can detect a displacement of the diamagnetic object.

Abstract: A probe element for separation and sensing of analytes of interest controlled by temperature is provided. The probe element includes at least one magnetic crystal and one or more types of capping agents. The capping agent can have stabilizing and or anchoring functions. The magnetic crystal produces a stable magnetic field at the temperature of interest for sensing or separation. The stable magnetic field can be controlled by temperature and the probe can be integrated in a sensing and or separation device and process.

Abstract: A system for detecting current magnitudes in a circuit breaker panel includes multiple 3-sensor magnometers placed over the main breaker and branch circuits in the circuit breaker enclosure. The sensors communicate with a local processing node, which analyzes the raw data to compensate for external and local interference, and provides an estimated current measurement. The estimated current measurement is then communicated back to a user system which can then use the information to better manage current input and output.

Abstract: A forecast engine is configured to analyze aerial and/or satellite images depicting a geographic area to identify the existence of solar panels within the geographic area at different times. Based on the installation time of each solar panel, the forecast engine estimates the solar power generation capacity of the solar panel. The forecast engine also analyzes meteorological data, including weather forecasts, to estimate a level of insolation at each solar panel within the geographic area across a range of times. The forecast engine can then determine the total amount of solar power generation within the given geographic area at a particular time using the solar power generation capacity of each solar panel and the level of insolation at each solar panel at the particular time.

Abstract: In a method of testing a multilayer structure containing a magnetic layer, one or more network parameters are measured of a waveguide that is electromagnetically coupled with the multilayer structure as a function of frequency and as a function of a magnetic field applied to the multilayer structure during the measuring of the network parameters. Based on the measured one or more network parameters, at least one magnetic property of the magnetic layer of the multilayer structure is determined. The network parameters in some embodiments are S-parameters. The at least one magnetic property may include an effective anisotropy field of the magnetic layer and/or a damping constant of the magnetic layer.

Abstract: Provided is a position and posture estimation system including: a laser sensor that detects a distance to a pallet; a plane equation calculation unit that calculates a plane equation of a front surface of the pallet on the basis of detection data of the laser sensor; and an estimation computation unit that estimates the position and the posture of the pallet by using the plane equation of the front surface of the pallet which is calculated by the plane equation calculation unit. The estimation computation unit calculates a yaw angle, a pitch angle, and a roll angle of the pallet as the posture of the pallet.