84results about How to "Accurate knowledge" patented technology

Operators of wireless communication systems operating in the same geographic area are able to build networks on neighboring / adjacent bands, even if one of the systems is using a TDD mode and the other systems is using a FDD mode without using excessive large guard bands. A beaconing mechanism with signaling is used to impose an exclusion zone and power restriction, antenna direction, and other operational parameters. A newcomer operator is able to get an accurate knowledge of the interference to and from the sites of the AP of the existing operator so that the newcomer can deploy his APs without causing interference to the existing APs.

A system and method of knowledge assessment comprises displaying to a learner a plurality of multiple-choice questions and two-dimensional answers, accessing a database of learning materials, and transmitting to the learner the plurality of multiple-choice questions and two-dimensional answers. The answers includes plurality of full-confidence answers consisting of single-choice answers, a plurality of partial-confidence answers consisting of one or more sets of multiple single-choice answers, and an unsure answer. The method further comprises scoring a confidence-based assessment (CBA) administered to the learner by assigning various knowledge state designations based on the learner's responses to the two-dimensional questions.

A services-oriented system structure for knowledge assessment and learning comprises a display device for displaying to a learner at a client terminal a plurality of multiple-choice questions and two-dimensional answers, an administration server adapted to administer one or more users of the system, a content management system server adapted to provide an interface for the one or more users to create and maintain a library of learning resources, a learning system server comprising a database of learning materials, wherein the plurality of multiple-choice questions and two-dimensional answers are stored in the database for selected delivery to the client terminal, and a registration and data analytics server adapted to create and maintain registration information about the learners.

A services-oriented system for knowledge assessment and learning performs a method of receiving a plurality of two-dimensional answers to a plurality of first multiple-choice questions, determining, after a period of time, which of the answered multiple choice questions remain unfinished and which are completed, separating the unfinished questions from the completed questions, determining which of the unfinished and completed questions to include in a mastery-eligible list of questions, assigning a weight to each of the mastery-eligible questions based on the current learning state of the learner, a target learning score of the learner, and a calculated dopamine level of the learner.

A motion sensor has a state processor to identify states associated with a magnetic field signal provided by a magnetic field sensing element. The state processor includes a state peak logic module configured to generate states that have a reduced amount of state chatter.

The embodiments herein discloses a system and a method for providing an online web-based interactive audio-visual platform for note creation, presentation, sharing, organizing, and analysis. The system provides a conceptual and interactive interface to content; analyses students notes and instantly determines, the accuracy of the conceptual connections made and a student's understanding of a topic. The system enables the student to add and use audio, visual, drawing, text notes, and mathematical equations in addition to those suggested by the note taking solution to collate notes from various sources in a meaningful manner by grouping concepts using colors, images, and text; and to personalize other maps developed within the same environment while maintaining links back to the original source from which the notes are derived. The system highlights keywords in conjunction with spoken text to complement the advantages of using visual maps to improve learning outcomes.

The present invention enables the detection of light using an APD that has high gain and / or a wide range of operating temperature. A first APD is biased with a voltage bias that is controlled based on the breakdown voltage of a second APD, which is thermally coupled with the first APD. Changes in the breakdown voltage of the second APD due to aging, temperature chances, and the like, are reflective of changes in the breakdown voltage of the first APD. As a result, the first APD can be operated with greater stability and reliability at high gain and over larger temperature excursions than APDs known in the prior art.

A system and method for determining the state of health of a battery. In particular, the present invention is related to a system and method for determining the state of health of an electrochemical battery cell by obtaining state of charge measurements for the battery cell, and using the state of charge measurements to calculate the state of health of the battery cell, wherein the state of charge measurements are based on the magnetic susceptibility of the battery cell. The system includes a sensing device for measuring the magnetic susceptibility of the battery cell, and a computing device for performing the steps of the disclosed method.

A method may be executed by a base station or mobile device to improve accuracy of a global positioning system (GPS)-based position or “geoposition” of the mobile device. A time-stamped first set of GPS data may be received via a GPS receiver, e.g., of the base station. A second set of GPS data describing a geoposition of the mobile device is received from the mobile device by the base station. A time of collection of the base station and mobile device GPS data coincides. The GPS data includes code phase and pseudo-range data from each of the GPS satellites, and may include carrier phase data. A predetermined GPS position correction technique is used to generate a corrected geoposition of the mobile device using the GPS data. The corrected geoposition is then transmitted to the mobile device and / or an external response system such as a drone or first responder.

A buttocks intramuscular injection training model is provided. The buttocks intramuscular injection training model includes a hip model having a similar shape to a human hip; injection modules inserted into both sides of the hip model and each being configured to comprise electrode layers to detect a needle and a muscle layer into which injection liquid is injected; a controller connected to the electrode layers to detect a location of the needle; and an input and output device wired or wireless connected to the controller for bidirectional communication with the controller and configured to visibly output the location of the needle.

The invention discloses a real-time calibration and frequency measurement method for time base frequency and a device thereof, wherein the method comprises the following steps: 1) calibration step: a frequency measurement device acquires an external high-accuracy standard-frequency signal with Fs of given frequency as a calibration signal; the actual frequency value measured by the frequency measurement device is Fs'; a calibration factor K which is equal to Fs / Fs' is calculated and stored, and the calibration factor K can not be updated until the next calibration step is finished; 2) measurement step: the frequency of the unknown signal measured by the frequency measurement device is Fx', and the calculated and revised frequency value of the unknown signal Fx is equal to K * Fx'; 3) the process returns to step 1). The method and the device can ensure that, the time base frequency can be as accurate as 5E-10 and the second gate time frequency measurement can be as accurate as 1E-9 when measuring frequency and the accuracy of the measured frequency can be determined, thereby solving the problems of undetermined frequency timing base frequency accuracy, low precision, and the like of the prior art.

A method of estimating and extrapolating the position of an article is provided. The article's position is detected by relatively infrequent ultrasonic ranging, and provides more frequent reports from internal accelerometers, gyroscopes and optional magnetometers. In a first instance, the method includes calculating new position, velocity and orientation vectors by linearly interpolating between the readings of the sensors at two times. In a second instance, the method includes estimating the orientation of the article by calculating the duration of a timeslice, making a rotational increment matrix and taking the product of the initial orientation and the increment matrix for the appropriate number of timeslices. In a third instance, the method includes calculating the acceleration of an article between three ultrasonically determined locations and recalibrating the accelerometers to align the measured acceleration with the calculated acceleration.

Systems and methods are disclosed for reducing power consumption of a mobile device in determining locations by determining if the mobile device is stationary; and if the mobile device is stationary, determining if the mobile device is in a zone with a known location and assign the known location as the location of the mobile device without involving a position determination system in the mobile device to reduce power consumption arising therefrom.

Method, apparatus and computer program for providing access to identity services of users. A Discovery Service DS server (100) stores for a set of users references (RO1A,ROnB) of identity services (IDSRV-A,IDSRV-B) available for them and usable to contact respectively with the Service Providers SPs (120,130) hosting each of said identity services. For a given identity service not yet registered for a given user, the DS server selects a SP (140) that is able to provide it, and stores a new resource offering (RO2X) that corresponds to the registration of said identity service. For selecting the appropriate SP, the DS server can check a service capability storage (103-2,301) that comprises information about what identity service(s) can be provided by a given SP, and which can be dynamically updated from SPs with the identity services they respectively support. The DS server can contact the user to collect SP preferences and / or service data.

A motion sensor has a magnetic field sensing element for generating a magnetic field signal and a state processor to identify a plurality of states corresponding to ranges of signal values of the magnetic field signal. The state processor includes a state peak logic module configured to generate states that have a reduced amount of state chatter.

A method for determining at least one of the type and the quantity of items to be washed in a dishwasher machine is provided for use with a dishwashing machine having a washing chamber in which the items are placed in receptacles for subsequent washing of the items during a dishwashing program with the respective disposition of the items in the receptacles constituting the load of the receptacles in the washing chamber of the dishwasher machine. The method includes detecting the load of the receptacles by an image detection system that measures distances in a non-contact manner by means of the speed of light such that the measured distances can be evaluated to obtain a three-dimensional image of the washing chamber.

A method and system is provided for automatically preparing transmission electron microscopy (TEM) samples for examination by depositing extremely small samples onto a grid without need for a blotting step. A sample liquid droplet is formed at the end of a capillary, wherein a portion of the liquid is transferred to the TEM sample grid by contact. The excess volume in the liquid droplet is then retracted by an adjacent capillary. After a predetermined time interval, the retraction capillary is moved toward the drop of the sample to remove the excess volume. As compared to a conventional machine, where the blotting procedure can deform the structure of the molecule of interest, the present invention utilizes a very low shear rate for removal of the excess sample fluid.

The invention describes a method that provides a practical means of accurately estimating the electromagnetic fields and therefore the SAR (specific absorption rate) distributions of a subject in magnetic resonance imaging (MRI) scan. The disclosed method consists of several steps. If the coil information is unavailable during the patent imaging, the first step, generally performed before patient (or target) imaging, estimates the geometry of the radiofrequency (RF) coils. The second step estimates the patient-specific tissue volumes by deforming an appropriate reference with known tissue distribution from a database to the said target. Finally, the electromagnetic fields and the SAR distributions are calculated using numerical methods performed on the accurately estimated RF coils and patient-specific tissue volumes. The proposed method can be used for safe, accurate MR imaging at any magnetic field strengths, particular suitable for high-field applications.

A method for determining at least one of the type and the quantity of items to be washed in a dishwasher machine is provided for use with a dishwashing machine having a washing chamber in which the items are placed in receptacles for subsequent washing of the items during a dishwashing program with the respective disposition of the items in the receptacles constituting the load of the receptacles in the washing chamber of the dishwasher machine. The method includes detecting the load of the receptacles by an image detection system that measures distances in a non-contact manner by means of the speed of light such that the measured distances can be evaluated to obtain a three-dimensional image of the washing chamber.

A watercraft angle of attack system includes sensors having a position locator; a heading sensor; a tilt sensor; an acoustic Doppler velocity sensor that measures velocity of the boat relative to a volume of water remote from the boat so as to reduce the boat-induced disturbance of the velocity in the volume; and a processor programmed to receive real time data from the sensors; and to compute and display angle of attack of the watercraft relative to the water.

A learning system includes a server configured to associate mobile devices with participants such that locations of the participants serve as a life-size model of a learning activity. The learning system also includes a server configured to track the locations of the mobile devices to determine progress of the participants in performing the learning activity. The learning system also includes a display of the locations of the mobile devices on a screen visible to the participants to provide feedback to the participants regarding the progress in performing the learning activity. A mobile device for use in the learning system is also disclosed.

A system (1) for optimizing tank venting of a fuel tank (3) is presented. The system (1) has a temperature sensor (7), a closed-loop control unit (9) and a tank venting unit (11). The temperature sensor (7) is arranged directly in the fuel tank (3) and is designed to determine a current fuel temperature of a fuel (5) present in the fuel tank (3). The closed-loop control unit (9) is connected to the temperature sensor (7) and to the tank venting unit (11) and is designed to read out the current fuel temperature from the temperature sensor (7). The closed-loop control unit (9) is furthermore designed to control the tank venting unit (11) in accordance with the loading of the activated carbon filter, which in turn depends on the time profile of the fuel temperature.

In automatic assessment or surveillance with camera-based surveillance systems, it is of particular interest to detect moving surveillance objects, such as persons or motor vehicles, and track them over time so that if there are unusual trajectories or unusual behavior, an alarm can be tripped. An apparatus for image-based tracking of surveillance objects in front of a scene background in a surveillance scene is proposed, having an object segmentation module that is embodied for ascertaining moving object areas in front of the scene background on the basis of a comparison of one or more camera images with a reference image of the scene; having an administration module which is embodied for assigning surveillance objects to the moving object areas detecting fusion of two or more surveillance objects and marking them jointly as an object group; and having a feature detection module which is embodied in terms of programming and / or circuitry for determining local features for tracking the surveillance objects of the object group in the image areas defined by the moving object areas.

An electronic warfare apparatus for determining the location of for example a ground based source of electromagnetic radiation from a platform such as an aircraft. Location is determined using angle of arrival based vector determinations provided by signal differences detected in the ground based signals arriving at platform antennas. Elimination of angle of arrival errors arising from imprecise knowledge of platform electronic warfare antenna characteristics is a focal point of the invention and is accomplished through precision use of global position system information received via the same electronic warfare antennas. Accurate determination of electronic warfare antenna characteristics prior to consideration of the large distance multiplication factors imposed by aircraft to distant signal source geometry enables accurate distant signal source location using the invention.

A device, a system and a method for a patient attempting to quit smoking such that the program is configured to cause a computer to execute the steps of: receiving, from a patient-side electronic device, patient's understanding information indicative of the patient's understanding about a smoking-related matter, which is input by the patient, at a patient's understanding information acquisition timing decided based on at least one of an input of information indicative of a current patient's condition and smoking cessation-related health-care history information; deciding, based on the received patient's understanding information and correct response information for the smoking-related matter, whether or not the patient's understanding is incorrect; and, when decided to be incorrect, transmitting, to the patient-side electronic device, cognitive-behavioral therapy (CBT) information based on the correct response information, wherein the CBT information includes information deemed to be correct with respect to the smoking-related matter.

When a time code signal corresponding to an image signal, to which a format conversion changing the number of frames per second is executed, is transmitted, information indicating a frame position where image data is changed through the format conversion in the image signal is attached to the time code signal to be transmitted. Alternatively, information indicating a synchronous state between frame conversion cycles in the format conversion and time code progression is attached to the time code signal. In the fore going manner, a relationship between the frame position and the time code can be accurately grasped. Further, a secondary conversion (inverse conversion) is accurately executed to the image signal by means of the time code signal.

A method of monitoring thermomechanical behavior of an undersea pipe (2) transporting fluid under pressure and made by assembling unit pipe elements (4), comprising determining a mechanical signature specific to each unit pipe element, using a measurement cable (16) having an optical fiber sensor using Brillouin backscattering to measure deformation of the pipe element while it is subjected on land to various mechanical stresses in predetermined directions and magnitudes, and establishing a stiffness matrix associated with the mechanical signature of each pipe element, a step of determining a thermal signature specific to each unit pipe element, which step consists in measuring the temperature changes of the unit pipe element while it is being subjected on land to various different electrical heating powers, and in establishing a thermal transfer function associated with the thermal signature of each pipe element, and a monitoring step consisting of recovering.