97results about "Impedence" patented technology

The invention relates to a test stand system for testing a driver assistance system with an acoustic audible sound sensor for an automotive vehicle, wherein the driver assistance system includes a control unit for processing sensor signals, which is configured to process sensor signals from environment sensors and to control the automotive vehicle on the basis thereof, wherein at least one of the environment sensors is the audible sound sensor configured to detect audible sound, and wherein the test stand system comprises:a test stand configured in such a way that the driver assistance system, in particular can be operated on the test stand;a simulation device configured to simulate an environment of the automotive vehicle, wherein the simulated environment comprises an acoustic audible sound environment; anda first interface for providing the simulated environment including the acoustic audible sound environment to the driver assistance system.

A toy water ball includes at least two shells that are enclosable to form a water storage cavity, each of the shells including: a mounting frame, a magnetic member and a water pocket mounted on the mounting frame. The mounting frame includes a first surface and a second surface oppositely arranged in a thickness direction thereof. When the shells are enclosed to form the water storage cavity, magnetic members of adjacent shells attract each other, and second surfaces of adjacent shells abut each other. The mounting frame is provided with an accommodation groove, a notch of the accommodation groove is located on the first surface, the magnetic member is installed in the accommodation groove, and the water pocket is connected to the first surface, and covers the notch of the accommodation groove on the first surface to seal the magnetic member in the mounting frame.

Embodiments are disclosed for crash detection on one or more mobile devices (e.g., smartwatch and / or smartphone). In some embodiments, a method comprises: detecting, with at least one processor, a crash event on a crash device; extracting, with the at least one processor, multimodal features from sensor data generated by multiple sensing modalities of the crash device; computing, with the at least one processor, a plurality of crash decisions based on a plurality of machine learning models applied to the multimodal features; and determining, with the at least one processor, that a severe vehicle crash has occurred involving the crash device based on the plurality of crash decisions and a severity model.

Methods, systems, and devices for determining an acoustic parameter of a downhole fluid using an acoustic assembly. Methods include transmitting a plurality of pulses; measuring values for at least one wave property measured for reflections of the plurality of pulses received at at least one acoustic receiver, including: a first value for a first reflection traveling a first known distance from a first acoustically reflective surface having a first known acoustic impedance, a second value for a second reflection traveling a second known distance substantially the same as the first known distance from a second acoustically reflective surface having a second known acoustic impedance, and a third value for a third reflection traveling a third known distance from a third acoustically reflective surface having a third known acoustic impedance substantially the same as the second acoustic impedance; and estimating the acoustic parameter using the values.

A technique includes: a process chamber configured to process a substrate; a transferor configured to transfer the substrate; a component relating to at least one of the process chamber or the transferor; a memory storing a plurality of operation events; a plurality of areas in each of which at least one of the process chamber, the transferor, or the component is provided; a detector provided in at least one of the plurality of areas and configured to be capable of detecting an operating sound of the component; and a controller is configured to be capable of controlling the component and the detector to select one area of the plurality of areas, which corresponds to each of the plurality of operation events, and to acquire detection data from the detector provided in the selected one area.

Disclosed is an electronic device for diagnosing and calibrating noise / vibration. This device comprises: a plurality of components; a memory for storing setting information for the operation of each of the plurality of components; and a processor, wherein the processor sequentially drives the plurality of components if a test mode for diagnosing noise / vibration is executed, selects at least one of the plurality of components as a calibration target on the basis of a noise / vibration state of each of the plurality of components, drives the component selected as the calibration target while sequentially changing operation states thereof, and stores, if one of the operation states is selected, setting information corresponding to the selected operation state in the memory.